1 | /*
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2 | Copyright 2012 Igor Vaynberg
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3 |
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4 | Version: 3.4.5 Timestamp: Mon Nov 4 08:22:42 PST 2013
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5 |
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6 | This software is licensed under the Apache License, Version 2.0 (the "Apache License") or the GNU
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7 | General Public License version 2 (the "GPL License"). You may choose either license to govern your
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8 | use of this software only upon the condition that you accept all of the terms of either the Apache
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9 | License or the GPL License.
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10 |
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11 | You may obtain a copy of the Apache License and the GPL License at:
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12 |
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13 | http://www.apache.org/licenses/LICENSE-2.0
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14 | http://www.gnu.org/licenses/gpl-2.0.html
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15 |
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16 | Unless required by applicable law or agreed to in writing, software distributed under the
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17 | Apache License or the GPL Licesnse is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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18 | CONDITIONS OF ANY KIND, either express or implied. See the Apache License and the GPL License for
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19 | the specific language governing permissions and limitations under the Apache License and the GPL License.
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20 | */
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21 | (function ($) {
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22 | if(typeof $.fn.each2 == "undefined") {
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23 | $.extend($.fn, {
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24 | /*
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25 | * 4-10 times faster .each replacement
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26 | * use it carefully, as it overrides jQuery context of element on each iteration
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27 | */
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28 | each2 : function (c) {
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29 | var j = $([0]), i = -1, l = this.length;
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30 | while (
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31 | ++i < l
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32 | && (j.context = j[0] = this[i])
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33 | && c.call(j[0], i, j) !== false //"this"=DOM, i=index, j=jQuery object
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34 | );
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35 | return this;
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36 | }
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37 | });
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38 | }
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39 | })(jQuery);
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40 |
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41 | (function ($, undefined) {
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42 | "use strict";
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43 | /*global document, window, jQuery, console */
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44 |
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45 | if (window.Select2 !== undefined) {
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46 | return;
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47 | }
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48 |
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49 | var KEY, AbstractSelect2, SingleSelect2, MultiSelect2, nextUid, sizer,
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50 | lastMousePosition={x:0,y:0}, $document, scrollBarDimensions,
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51 |
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52 | KEY = {
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53 | TAB: 9,
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54 | ENTER: 13,
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55 | ESC: 27,
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56 | SPACE: 32,
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57 | LEFT: 37,
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58 | UP: 38,
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59 | RIGHT: 39,
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60 | DOWN: 40,
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61 | SHIFT: 16,
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62 | CTRL: 17,
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63 | ALT: 18,
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64 | PAGE_UP: 33,
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65 | PAGE_DOWN: 34,
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66 | HOME: 36,
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67 | END: 35,
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68 | BACKSPACE: 8,
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69 | DELETE: 46,
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70 | isArrow: function (k) {
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71 | k = k.which ? k.which : k;
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72 | switch (k) {
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73 | case KEY.LEFT:
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74 | case KEY.RIGHT:
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75 | case KEY.UP:
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76 | case KEY.DOWN:
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77 | return true;
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78 | }
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79 | return false;
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80 | },
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81 | isControl: function (e) {
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82 | var k = e.which;
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83 | switch (k) {
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84 | case KEY.SHIFT:
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85 | case KEY.CTRL:
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86 | case KEY.ALT:
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87 | return true;
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88 | }
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89 |
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90 | if (e.metaKey) return true;
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91 |
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92 | return false;
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93 | },
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94 | isFunctionKey: function (k) {
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95 | k = k.which ? k.which : k;
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96 | return k >= 112 && k <= 123;
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97 | }
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98 | },
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99 | MEASURE_SCROLLBAR_TEMPLATE = "<div class='select2-measure-scrollbar'></div>",
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100 |
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101 | DIACRITICS = 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102 |
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103 | $document = $(document);
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104 |
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105 | nextUid=(function() { var counter=1; return function() { return counter++; }; }());
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106 |
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107 |
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108 | function stripDiacritics(str) {
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109 | var ret, i, l, c;
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110 |
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111 | if (!str || str.length < 1) return str;
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112 |
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113 | ret = "";
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114 | for (i = 0, l = str.length; i < l; i++) {
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115 | c = str.charAt(i);
|
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116 | ret += DIACRITICS[c] || c;
|
---|
117 | }
|
---|
118 | return ret;
|
---|
119 | }
|
---|
120 |
|
---|
121 | function indexOf(value, array) {
|
---|
122 | var i = 0, l = array.length;
|
---|
123 | for (; i < l; i = i + 1) {
|
---|
124 | if (equal(value, array[i])) return i;
|
---|
125 | }
|
---|
126 | return -1;
|
---|
127 | }
|
---|
128 |
|
---|
129 | function measureScrollbar () {
|
---|
130 | var $template = $( MEASURE_SCROLLBAR_TEMPLATE );
|
---|
131 | $template.appendTo('body');
|
---|
132 |
|
---|
133 | var dim = {
|
---|
134 | width: $template.width() - $template[0].clientWidth,
|
---|
135 | height: $template.height() - $template[0].clientHeight
|
---|
136 | };
|
---|
137 | $template.remove();
|
---|
138 |
|
---|
139 | return dim;
|
---|
140 | }
|
---|
141 |
|
---|
142 | /**
|
---|
143 | * Compares equality of a and b
|
---|
144 | * @param a
|
---|
145 | * @param b
|
---|
146 | */
|
---|
147 | function equal(a, b) {
|
---|
148 | if (a === b) return true;
|
---|
149 | if (a === undefined || b === undefined) return false;
|
---|
150 | if (a === null || b === null) return false;
|
---|
151 | // Check whether 'a' or 'b' is a string (primitive or object).
|
---|
152 | // The concatenation of an empty string (+'') converts its argument to a string's primitive.
|
---|
153 | if (a.constructor === String) return a+'' === b+''; // a+'' - in case 'a' is a String object
|
---|
154 | if (b.constructor === String) return b+'' === a+''; // b+'' - in case 'b' is a String object
|
---|
155 | return false;
|
---|
156 | }
|
---|
157 |
|
---|
158 | /**
|
---|
159 | * Splits the string into an array of values, trimming each value. An empty array is returned for nulls or empty
|
---|
160 | * strings
|
---|
161 | * @param string
|
---|
162 | * @param separator
|
---|
163 | */
|
---|
164 | function splitVal(string, separator) {
|
---|
165 | var val, i, l;
|
---|
166 | if (string === null || string.length < 1) return [];
|
---|
167 | val = string.split(separator);
|
---|
168 | for (i = 0, l = val.length; i < l; i = i + 1) val[i] = $.trim(val[i]);
|
---|
169 | return val;
|
---|
170 | }
|
---|
171 |
|
---|
172 | function getSideBorderPadding(element) {
|
---|
173 | return element.outerWidth(false) - element.width();
|
---|
174 | }
|
---|
175 |
|
---|
176 | function installKeyUpChangeEvent(element) {
|
---|
177 | var key="keyup-change-value";
|
---|
178 | element.on("keydown", function () {
|
---|
179 | if ($.data(element, key) === undefined) {
|
---|
180 | $.data(element, key, element.val());
|
---|
181 | }
|
---|
182 | });
|
---|
183 | element.on("keyup", function () {
|
---|
184 | var val= $.data(element, key);
|
---|
185 | if (val !== undefined && element.val() !== val) {
|
---|
186 | $.removeData(element, key);
|
---|
187 | element.trigger("keyup-change");
|
---|
188 | }
|
---|
189 | });
|
---|
190 | }
|
---|
191 |
|
---|
192 | $document.on("mousemove", function (e) {
|
---|
193 | lastMousePosition.x = e.pageX;
|
---|
194 | lastMousePosition.y = e.pageY;
|
---|
195 | });
|
---|
196 |
|
---|
197 | /**
|
---|
198 | * filters mouse events so an event is fired only if the mouse moved.
|
---|
199 | *
|
---|
200 | * filters out mouse events that occur when mouse is stationary but
|
---|
201 | * the elements under the pointer are scrolled.
|
---|
202 | */
|
---|
203 | function installFilteredMouseMove(element) {
|
---|
204 | element.on("mousemove", function (e) {
|
---|
205 | var lastpos = lastMousePosition;
|
---|
206 | if (lastpos === undefined || lastpos.x !== e.pageX || lastpos.y !== e.pageY) {
|
---|
207 | $(e.target).trigger("mousemove-filtered", e);
|
---|
208 | }
|
---|
209 | });
|
---|
210 | }
|
---|
211 |
|
---|
212 | /**
|
---|
213 | * Debounces a function. Returns a function that calls the original fn function only if no invocations have been made
|
---|
214 | * within the last quietMillis milliseconds.
|
---|
215 | *
|
---|
216 | * @param quietMillis number of milliseconds to wait before invoking fn
|
---|
217 | * @param fn function to be debounced
|
---|
218 | * @param ctx object to be used as this reference within fn
|
---|
219 | * @return debounced version of fn
|
---|
220 | */
|
---|
221 | function debounce(quietMillis, fn, ctx) {
|
---|
222 | ctx = ctx || undefined;
|
---|
223 | var timeout;
|
---|
224 | return function () {
|
---|
225 | var args = arguments;
|
---|
226 | window.clearTimeout(timeout);
|
---|
227 | timeout = window.setTimeout(function() {
|
---|
228 | fn.apply(ctx, args);
|
---|
229 | }, quietMillis);
|
---|
230 | };
|
---|
231 | }
|
---|
232 |
|
---|
233 | /**
|
---|
234 | * A simple implementation of a thunk
|
---|
235 | * @param formula function used to lazily initialize the thunk
|
---|
236 | * @return {Function}
|
---|
237 | */
|
---|
238 | function thunk(formula) {
|
---|
239 | var evaluated = false,
|
---|
240 | value;
|
---|
241 | return function() {
|
---|
242 | if (evaluated === false) { value = formula(); evaluated = true; }
|
---|
243 | return value;
|
---|
244 | };
|
---|
245 | };
|
---|
246 |
|
---|
247 | function installDebouncedScroll(threshold, element) {
|
---|
248 | var notify = debounce(threshold, function (e) { element.trigger("scroll-debounced", e);});
|
---|
249 | element.on("scroll", function (e) {
|
---|
250 | if (indexOf(e.target, element.get()) >= 0) notify(e);
|
---|
251 | });
|
---|
252 | }
|
---|
253 |
|
---|
254 | function focus($el) {
|
---|
255 | if ($el[0] === document.activeElement) return;
|
---|
256 |
|
---|
257 | /* set the focus in a 0 timeout - that way the focus is set after the processing
|
---|
258 | of the current event has finished - which seems like the only reliable way
|
---|
259 | to set focus */
|
---|
260 | window.setTimeout(function() {
|
---|
261 | var el=$el[0], pos=$el.val().length, range;
|
---|
262 |
|
---|
263 | $el.focus();
|
---|
264 |
|
---|
265 | /* make sure el received focus so we do not error out when trying to manipulate the caret.
|
---|
266 | sometimes modals or others listeners may steal it after its set */
|
---|
267 | if ($el.is(":visible") && el === document.activeElement) {
|
---|
268 |
|
---|
269 | /* after the focus is set move the caret to the end, necessary when we val()
|
---|
270 | just before setting focus */
|
---|
271 | if(el.setSelectionRange)
|
---|
272 | {
|
---|
273 | el.setSelectionRange(pos, pos);
|
---|
274 | }
|
---|
275 | else if (el.createTextRange) {
|
---|
276 | range = el.createTextRange();
|
---|
277 | range.collapse(false);
|
---|
278 | range.select();
|
---|
279 | }
|
---|
280 | }
|
---|
281 | }, 0);
|
---|
282 | }
|
---|
283 |
|
---|
284 | function getCursorInfo(el) {
|
---|
285 | el = $(el)[0];
|
---|
286 | var offset = 0;
|
---|
287 | var length = 0;
|
---|
288 | if ('selectionStart' in el) {
|
---|
289 | offset = el.selectionStart;
|
---|
290 | length = el.selectionEnd - offset;
|
---|
291 | } else if ('selection' in document) {
|
---|
292 | el.focus();
|
---|
293 | var sel = document.selection.createRange();
|
---|
294 | length = document.selection.createRange().text.length;
|
---|
295 | sel.moveStart('character', -el.value.length);
|
---|
296 | offset = sel.text.length - length;
|
---|
297 | }
|
---|
298 | return { offset: offset, length: length };
|
---|
299 | }
|
---|
300 |
|
---|
301 | function killEvent(event) {
|
---|
302 | event.preventDefault();
|
---|
303 | event.stopPropagation();
|
---|
304 | }
|
---|
305 | function killEventImmediately(event) {
|
---|
306 | event.preventDefault();
|
---|
307 | event.stopImmediatePropagation();
|
---|
308 | }
|
---|
309 |
|
---|
310 | function measureTextWidth(e) {
|
---|
311 | if (!sizer){
|
---|
312 | var style = e[0].currentStyle || window.getComputedStyle(e[0], null);
|
---|
313 | sizer = $(document.createElement("div")).css({
|
---|
314 | position: "absolute",
|
---|
315 | left: "-10000px",
|
---|
316 | top: "-10000px",
|
---|
317 | display: "none",
|
---|
318 | fontSize: style.fontSize,
|
---|
319 | fontFamily: style.fontFamily,
|
---|
320 | fontStyle: style.fontStyle,
|
---|
321 | fontWeight: style.fontWeight,
|
---|
322 | letterSpacing: style.letterSpacing,
|
---|
323 | textTransform: style.textTransform,
|
---|
324 | whiteSpace: "nowrap"
|
---|
325 | });
|
---|
326 | sizer.attr("class","select2-sizer");
|
---|
327 | $("body").append(sizer);
|
---|
328 | }
|
---|
329 | sizer.text(e.val());
|
---|
330 | return sizer.width();
|
---|
331 | }
|
---|
332 |
|
---|
333 | function syncCssClasses(dest, src, adapter) {
|
---|
334 | var classes, replacements = [], adapted;
|
---|
335 |
|
---|
336 | classes = dest.attr("class");
|
---|
337 | if (classes) {
|
---|
338 | classes = '' + classes; // for IE which returns object
|
---|
339 | $(classes.split(" ")).each2(function() {
|
---|
340 | if (this.indexOf("select2-") === 0) {
|
---|
341 | replacements.push(this);
|
---|
342 | }
|
---|
343 | });
|
---|
344 | }
|
---|
345 | classes = src.attr("class");
|
---|
346 | if (classes) {
|
---|
347 | classes = '' + classes; // for IE which returns object
|
---|
348 | $(classes.split(" ")).each2(function() {
|
---|
349 | if (this.indexOf("select2-") !== 0) {
|
---|
350 | adapted = adapter(this);
|
---|
351 | if (adapted) {
|
---|
352 | replacements.push(adapted);
|
---|
353 | }
|
---|
354 | }
|
---|
355 | });
|
---|
356 | }
|
---|
357 | dest.attr("class", replacements.join(" "));
|
---|
358 | }
|
---|
359 |
|
---|
360 |
|
---|
361 | function markMatch(text, term, markup, escapeMarkup) {
|
---|
362 | var match=stripDiacritics(text.toUpperCase()).indexOf(stripDiacritics(term.toUpperCase())),
|
---|
363 | tl=term.length;
|
---|
364 |
|
---|
365 | if (match<0) {
|
---|
366 | markup.push(escapeMarkup(text));
|
---|
367 | return;
|
---|
368 | }
|
---|
369 |
|
---|
370 | markup.push(escapeMarkup(text.substring(0, match)));
|
---|
371 | markup.push("<span class='select2-match'>");
|
---|
372 | markup.push(escapeMarkup(text.substring(match, match + tl)));
|
---|
373 | markup.push("</span>");
|
---|
374 | markup.push(escapeMarkup(text.substring(match + tl, text.length)));
|
---|
375 | }
|
---|
376 |
|
---|
377 | function defaultEscapeMarkup(markup) {
|
---|
378 | var replace_map = {
|
---|
379 | '\\': '\',
|
---|
380 | '&': '&',
|
---|
381 | '<': '<',
|
---|
382 | '>': '>',
|
---|
383 | '"': '"',
|
---|
384 | "'": ''',
|
---|
385 | "/": '/'
|
---|
386 | };
|
---|
387 |
|
---|
388 | return String(markup).replace(/[&<>"'\/\\]/g, function (match) {
|
---|
389 | return replace_map[match];
|
---|
390 | });
|
---|
391 | }
|
---|
392 |
|
---|
393 | /**
|
---|
394 | * Produces an ajax-based query function
|
---|
395 | *
|
---|
396 | * @param options object containing configuration paramters
|
---|
397 | * @param options.params parameter map for the transport ajax call, can contain such options as cache, jsonpCallback, etc. see $.ajax
|
---|
398 | * @param options.transport function that will be used to execute the ajax request. must be compatible with parameters supported by $.ajax
|
---|
399 | * @param options.url url for the data
|
---|
400 | * @param options.data a function(searchTerm, pageNumber, context) that should return an object containing query string parameters for the above url.
|
---|
401 | * @param options.dataType request data type: ajax, jsonp, other datatatypes supported by jQuery's $.ajax function or the transport function if specified
|
---|
402 | * @param options.quietMillis (optional) milliseconds to wait before making the ajaxRequest, helps debounce the ajax function if invoked too often
|
---|
403 | * @param options.results a function(remoteData, pageNumber) that converts data returned form the remote request to the format expected by Select2.
|
---|
404 | * The expected format is an object containing the following keys:
|
---|
405 | * results array of objects that will be used as choices
|
---|
406 | * more (optional) boolean indicating whether there are more results available
|
---|
407 | * Example: {results:[{id:1, text:'Red'},{id:2, text:'Blue'}], more:true}
|
---|
408 | */
|
---|
409 | function ajax(options) {
|
---|
410 | var timeout, // current scheduled but not yet executed request
|
---|
411 | handler = null,
|
---|
412 | quietMillis = options.quietMillis || 100,
|
---|
413 | ajaxUrl = options.url,
|
---|
414 | self = this;
|
---|
415 |
|
---|
416 | return function (query) {
|
---|
417 | window.clearTimeout(timeout);
|
---|
418 | timeout = window.setTimeout(function () {
|
---|
419 | var data = options.data, // ajax data function
|
---|
420 | url = ajaxUrl, // ajax url string or function
|
---|
421 | transport = options.transport || $.fn.select2.ajaxDefaults.transport,
|
---|
422 | // deprecated - to be removed in 4.0 - use params instead
|
---|
423 | deprecated = {
|
---|
424 | type: options.type || 'GET', // set type of request (GET or POST)
|
---|
425 | cache: options.cache || false,
|
---|
426 | jsonpCallback: options.jsonpCallback||undefined,
|
---|
427 | dataType: options.dataType||"json"
|
---|
428 | },
|
---|
429 | params = $.extend({}, $.fn.select2.ajaxDefaults.params, deprecated);
|
---|
430 |
|
---|
431 | data = data ? data.call(self, query.term, query.page, query.context) : null;
|
---|
432 | url = (typeof url === 'function') ? url.call(self, query.term, query.page, query.context) : url;
|
---|
433 |
|
---|
434 | if (handler) { handler.abort(); }
|
---|
435 |
|
---|
436 | if (options.params) {
|
---|
437 | if ($.isFunction(options.params)) {
|
---|
438 | $.extend(params, options.params.call(self));
|
---|
439 | } else {
|
---|
440 | $.extend(params, options.params);
|
---|
441 | }
|
---|
442 | }
|
---|
443 |
|
---|
444 | $.extend(params, {
|
---|
445 | url: url,
|
---|
446 | dataType: options.dataType,
|
---|
447 | data: data,
|
---|
448 | success: function (data) {
|
---|
449 | // TODO - replace query.page with query so users have access to term, page, etc.
|
---|
450 | var results = options.results(data, query.page);
|
---|
451 | query.callback(results);
|
---|
452 | }
|
---|
453 | });
|
---|
454 | handler = transport.call(self, params);
|
---|
455 | }, quietMillis);
|
---|
456 | };
|
---|
457 | }
|
---|
458 |
|
---|
459 | /**
|
---|
460 | * Produces a query function that works with a local array
|
---|
461 | *
|
---|
462 | * @param options object containing configuration parameters. The options parameter can either be an array or an
|
---|
463 | * object.
|
---|
464 | *
|
---|
465 | * If the array form is used it is assumed that it contains objects with 'id' and 'text' keys.
|
---|
466 | *
|
---|
467 | * If the object form is used ti is assumed that it contains 'data' and 'text' keys. The 'data' key should contain
|
---|
468 | * an array of objects that will be used as choices. These objects must contain at least an 'id' key. The 'text'
|
---|
469 | * key can either be a String in which case it is expected that each element in the 'data' array has a key with the
|
---|
470 | * value of 'text' which will be used to match choices. Alternatively, text can be a function(item) that can extract
|
---|
471 | * the text.
|
---|
472 | */
|
---|
473 | function local(options) {
|
---|
474 | var data = options, // data elements
|
---|
475 | dataText,
|
---|
476 | tmp,
|
---|
477 | text = function (item) { return ""+item.text; }; // function used to retrieve the text portion of a data item that is matched against the search
|
---|
478 |
|
---|
479 | if ($.isArray(data)) {
|
---|
480 | tmp = data;
|
---|
481 | data = { results: tmp };
|
---|
482 | }
|
---|
483 |
|
---|
484 | if ($.isFunction(data) === false) {
|
---|
485 | tmp = data;
|
---|
486 | data = function() { return tmp; };
|
---|
487 | }
|
---|
488 |
|
---|
489 | var dataItem = data();
|
---|
490 | if (dataItem.text) {
|
---|
491 | text = dataItem.text;
|
---|
492 | // if text is not a function we assume it to be a key name
|
---|
493 | if (!$.isFunction(text)) {
|
---|
494 | dataText = dataItem.text; // we need to store this in a separate variable because in the next step data gets reset and data.text is no longer available
|
---|
495 | text = function (item) { return item[dataText]; };
|
---|
496 | }
|
---|
497 | }
|
---|
498 |
|
---|
499 | return function (query) {
|
---|
500 | var t = query.term, filtered = { results: [] }, process;
|
---|
501 | if (t === "") {
|
---|
502 | query.callback(data());
|
---|
503 | return;
|
---|
504 | }
|
---|
505 |
|
---|
506 | process = function(datum, collection) {
|
---|
507 | var group, attr;
|
---|
508 | datum = datum[0];
|
---|
509 | if (datum.children) {
|
---|
510 | group = {};
|
---|
511 | for (attr in datum) {
|
---|
512 | if (datum.hasOwnProperty(attr)) group[attr]=datum[attr];
|
---|
513 | }
|
---|
514 | group.children=[];
|
---|
515 | $(datum.children).each2(function(i, childDatum) { process(childDatum, group.children); });
|
---|
516 | if (group.children.length || query.matcher(t, text(group), datum)) {
|
---|
517 | collection.push(group);
|
---|
518 | }
|
---|
519 | } else {
|
---|
520 | if (query.matcher(t, text(datum), datum)) {
|
---|
521 | collection.push(datum);
|
---|
522 | }
|
---|
523 | }
|
---|
524 | };
|
---|
525 |
|
---|
526 | $(data().results).each2(function(i, datum) { process(datum, filtered.results); });
|
---|
527 | query.callback(filtered);
|
---|
528 | };
|
---|
529 | }
|
---|
530 |
|
---|
531 | // TODO javadoc
|
---|
532 | function tags(data) {
|
---|
533 | var isFunc = $.isFunction(data);
|
---|
534 | return function (query) {
|
---|
535 | var t = query.term, filtered = {results: []};
|
---|
536 | $(isFunc ? data() : data).each(function () {
|
---|
537 | var isObject = this.text !== undefined,
|
---|
538 | text = isObject ? this.text : this;
|
---|
539 | if (t === "" || query.matcher(t, text)) {
|
---|
540 | filtered.results.push(isObject ? this : {id: this, text: this});
|
---|
541 | }
|
---|
542 | });
|
---|
543 | query.callback(filtered);
|
---|
544 | };
|
---|
545 | }
|
---|
546 |
|
---|
547 | /**
|
---|
548 | * Checks if the formatter function should be used.
|
---|
549 | *
|
---|
550 | * Throws an error if it is not a function. Returns true if it should be used,
|
---|
551 | * false if no formatting should be performed.
|
---|
552 | *
|
---|
553 | * @param formatter
|
---|
554 | */
|
---|
555 | function checkFormatter(formatter, formatterName) {
|
---|
556 | if ($.isFunction(formatter)) return true;
|
---|
557 | if (!formatter) return false;
|
---|
558 | throw new Error(formatterName +" must be a function or a falsy value");
|
---|
559 | }
|
---|
560 |
|
---|
561 | function evaluate(val) {
|
---|
562 | return $.isFunction(val) ? val() : val;
|
---|
563 | }
|
---|
564 |
|
---|
565 | function countResults(results) {
|
---|
566 | var count = 0;
|
---|
567 | $.each(results, function(i, item) {
|
---|
568 | if (item.children) {
|
---|
569 | count += countResults(item.children);
|
---|
570 | } else {
|
---|
571 | count++;
|
---|
572 | }
|
---|
573 | });
|
---|
574 | return count;
|
---|
575 | }
|
---|
576 |
|
---|
577 | /**
|
---|
578 | * Default tokenizer. This function uses breaks the input on substring match of any string from the
|
---|
579 | * opts.tokenSeparators array and uses opts.createSearchChoice to create the choice object. Both of those
|
---|
580 | * two options have to be defined in order for the tokenizer to work.
|
---|
581 | *
|
---|
582 | * @param input text user has typed so far or pasted into the search field
|
---|
583 | * @param selection currently selected choices
|
---|
584 | * @param selectCallback function(choice) callback tho add the choice to selection
|
---|
585 | * @param opts select2's opts
|
---|
586 | * @return undefined/null to leave the current input unchanged, or a string to change the input to the returned value
|
---|
587 | */
|
---|
588 | function defaultTokenizer(input, selection, selectCallback, opts) {
|
---|
589 | var original = input, // store the original so we can compare and know if we need to tell the search to update its text
|
---|
590 | dupe = false, // check for whether a token we extracted represents a duplicate selected choice
|
---|
591 | token, // token
|
---|
592 | index, // position at which the separator was found
|
---|
593 | i, l, // looping variables
|
---|
594 | separator; // the matched separator
|
---|
595 |
|
---|
596 | if (!opts.createSearchChoice || !opts.tokenSeparators || opts.tokenSeparators.length < 1) return undefined;
|
---|
597 |
|
---|
598 | while (true) {
|
---|
599 | index = -1;
|
---|
600 |
|
---|
601 | for (i = 0, l = opts.tokenSeparators.length; i < l; i++) {
|
---|
602 | separator = opts.tokenSeparators[i];
|
---|
603 | index = input.indexOf(separator);
|
---|
604 | if (index >= 0) break;
|
---|
605 | }
|
---|
606 |
|
---|
607 | if (index < 0) break; // did not find any token separator in the input string, bail
|
---|
608 |
|
---|
609 | token = input.substring(0, index);
|
---|
610 | input = input.substring(index + separator.length);
|
---|
611 |
|
---|
612 | if (token.length > 0) {
|
---|
613 | token = opts.createSearchChoice.call(this, token, selection);
|
---|
614 | if (token !== undefined && token !== null && opts.id(token) !== undefined && opts.id(token) !== null) {
|
---|
615 | dupe = false;
|
---|
616 | for (i = 0, l = selection.length; i < l; i++) {
|
---|
617 | if (equal(opts.id(token), opts.id(selection[i]))) {
|
---|
618 | dupe = true; break;
|
---|
619 | }
|
---|
620 | }
|
---|
621 |
|
---|
622 | if (!dupe) selectCallback(token);
|
---|
623 | }
|
---|
624 | }
|
---|
625 | }
|
---|
626 |
|
---|
627 | if (original!==input) return input;
|
---|
628 | }
|
---|
629 |
|
---|
630 | /**
|
---|
631 | * Creates a new class
|
---|
632 | *
|
---|
633 | * @param superClass
|
---|
634 | * @param methods
|
---|
635 | */
|
---|
636 | function clazz(SuperClass, methods) {
|
---|
637 | var constructor = function () {};
|
---|
638 | constructor.prototype = new SuperClass;
|
---|
639 | constructor.prototype.constructor = constructor;
|
---|
640 | constructor.prototype.parent = SuperClass.prototype;
|
---|
641 | constructor.prototype = $.extend(constructor.prototype, methods);
|
---|
642 | return constructor;
|
---|
643 | }
|
---|
644 |
|
---|
645 | AbstractSelect2 = clazz(Object, {
|
---|
646 |
|
---|
647 | // abstract
|
---|
648 | bind: function (func) {
|
---|
649 | var self = this;
|
---|
650 | return function () {
|
---|
651 | func.apply(self, arguments);
|
---|
652 | };
|
---|
653 | },
|
---|
654 |
|
---|
655 | // abstract
|
---|
656 | init: function (opts) {
|
---|
657 | var results, search, resultsSelector = ".select2-results";
|
---|
658 |
|
---|
659 | // prepare options
|
---|
660 | this.opts = opts = this.prepareOpts(opts);
|
---|
661 |
|
---|
662 | this.id=opts.id;
|
---|
663 |
|
---|
664 | // destroy if called on an existing component
|
---|
665 | if (opts.element.data("select2") !== undefined &&
|
---|
666 | opts.element.data("select2") !== null) {
|
---|
667 | opts.element.data("select2").destroy();
|
---|
668 | }
|
---|
669 |
|
---|
670 | this.container = this.createContainer();
|
---|
671 |
|
---|
672 | this.containerId="s2id_"+(opts.element.attr("id") || "autogen"+nextUid());
|
---|
673 | this.containerSelector="#"+this.containerId.replace(/([;&,\.\+\*\~':"\!\^#$%@\[\]\(\)=>\|])/g, '\\$1');
|
---|
674 | this.container.attr("id", this.containerId);
|
---|
675 |
|
---|
676 | // cache the body so future lookups are cheap
|
---|
677 | this.body = thunk(function() { return opts.element.closest("body"); });
|
---|
678 |
|
---|
679 | syncCssClasses(this.container, this.opts.element, this.opts.adaptContainerCssClass);
|
---|
680 |
|
---|
681 | this.container.attr("style", opts.element.attr("style"));
|
---|
682 | this.container.css(evaluate(opts.containerCss));
|
---|
683 | this.container.addClass(evaluate(opts.containerCssClass));
|
---|
684 |
|
---|
685 | this.elementTabIndex = this.opts.element.attr("tabindex");
|
---|
686 |
|
---|
687 | // swap container for the element
|
---|
688 | this.opts.element
|
---|
689 | .data("select2", this)
|
---|
690 | .attr("tabindex", "-1")
|
---|
691 | .before(this.container)
|
---|
692 | .on("click.select2", killEvent); // do not leak click events
|
---|
693 |
|
---|
694 | this.container.data("select2", this);
|
---|
695 |
|
---|
696 | this.dropdown = this.container.find(".select2-drop");
|
---|
697 |
|
---|
698 | syncCssClasses(this.dropdown, this.opts.element, this.opts.adaptDropdownCssClass);
|
---|
699 |
|
---|
700 | this.dropdown.addClass(evaluate(opts.dropdownCssClass));
|
---|
701 | this.dropdown.data("select2", this);
|
---|
702 | this.dropdown.on("click", killEvent);
|
---|
703 |
|
---|
704 | this.results = results = this.container.find(resultsSelector);
|
---|
705 | this.search = search = this.container.find("input.select2-input");
|
---|
706 |
|
---|
707 | this.queryCount = 0;
|
---|
708 | this.resultsPage = 0;
|
---|
709 | this.context = null;
|
---|
710 |
|
---|
711 | // initialize the container
|
---|
712 | this.initContainer();
|
---|
713 |
|
---|
714 | this.container.on("click", killEvent);
|
---|
715 |
|
---|
716 | installFilteredMouseMove(this.results);
|
---|
717 | this.dropdown.on("mousemove-filtered touchstart touchmove touchend", resultsSelector, this.bind(this.highlightUnderEvent));
|
---|
718 |
|
---|
719 | installDebouncedScroll(80, this.results);
|
---|
720 | this.dropdown.on("scroll-debounced", resultsSelector, this.bind(this.loadMoreIfNeeded));
|
---|
721 |
|
---|
722 | // do not propagate change event from the search field out of the component
|
---|
723 | $(this.container).on("change", ".select2-input", function(e) {e.stopPropagation();});
|
---|
724 | $(this.dropdown).on("change", ".select2-input", function(e) {e.stopPropagation();});
|
---|
725 |
|
---|
726 | // if jquery.mousewheel plugin is installed we can prevent out-of-bounds scrolling of results via mousewheel
|
---|
727 | if ($.fn.mousewheel) {
|
---|
728 | results.mousewheel(function (e, delta, deltaX, deltaY) {
|
---|
729 | var top = results.scrollTop();
|
---|
730 | if (deltaY > 0 && top - deltaY <= 0) {
|
---|
731 | results.scrollTop(0);
|
---|
732 | killEvent(e);
|
---|
733 | } else if (deltaY < 0 && results.get(0).scrollHeight - results.scrollTop() + deltaY <= results.height()) {
|
---|
734 | results.scrollTop(results.get(0).scrollHeight - results.height());
|
---|
735 | killEvent(e);
|
---|
736 | }
|
---|
737 | });
|
---|
738 | }
|
---|
739 |
|
---|
740 | installKeyUpChangeEvent(search);
|
---|
741 | search.on("keyup-change input paste", this.bind(this.updateResults));
|
---|
742 | search.on("focus", function () { search.addClass("select2-focused"); });
|
---|
743 | search.on("blur", function () { search.removeClass("select2-focused");});
|
---|
744 |
|
---|
745 | this.dropdown.on("mouseup", resultsSelector, this.bind(function (e) {
|
---|
746 | if ($(e.target).closest(".select2-result-selectable").length > 0) {
|
---|
747 | this.highlightUnderEvent(e);
|
---|
748 | this.selectHighlighted(e);
|
---|
749 | }
|
---|
750 | }));
|
---|
751 |
|
---|
752 | // trap all mouse events from leaving the dropdown. sometimes there may be a modal that is listening
|
---|
753 | // for mouse events outside of itself so it can close itself. since the dropdown is now outside the select2's
|
---|
754 | // dom it will trigger the popup close, which is not what we want
|
---|
755 | this.dropdown.on("click mouseup mousedown", function (e) { e.stopPropagation(); });
|
---|
756 |
|
---|
757 | if ($.isFunction(this.opts.initSelection)) {
|
---|
758 | // initialize selection based on the current value of the source element
|
---|
759 | this.initSelection();
|
---|
760 |
|
---|
761 | // if the user has provided a function that can set selection based on the value of the source element
|
---|
762 | // we monitor the change event on the element and trigger it, allowing for two way synchronization
|
---|
763 | this.monitorSource();
|
---|
764 | }
|
---|
765 |
|
---|
766 | if (opts.maximumInputLength !== null) {
|
---|
767 | this.search.attr("maxlength", opts.maximumInputLength);
|
---|
768 | }
|
---|
769 |
|
---|
770 | var disabled = opts.element.prop("disabled");
|
---|
771 | if (disabled === undefined) disabled = false;
|
---|
772 | this.enable(!disabled);
|
---|
773 |
|
---|
774 | var readonly = opts.element.prop("readonly");
|
---|
775 | if (readonly === undefined) readonly = false;
|
---|
776 | this.readonly(readonly);
|
---|
777 |
|
---|
778 | // Calculate size of scrollbar
|
---|
779 | scrollBarDimensions = scrollBarDimensions || measureScrollbar();
|
---|
780 |
|
---|
781 | this.autofocus = opts.element.prop("autofocus");
|
---|
782 | opts.element.prop("autofocus", false);
|
---|
783 | if (this.autofocus) this.focus();
|
---|
784 |
|
---|
785 | this.nextSearchTerm = undefined;
|
---|
786 | },
|
---|
787 |
|
---|
788 | // abstract
|
---|
789 | destroy: function () {
|
---|
790 | var element=this.opts.element, select2 = element.data("select2");
|
---|
791 |
|
---|
792 | this.close();
|
---|
793 |
|
---|
794 | if (this.propertyObserver) { delete this.propertyObserver; this.propertyObserver = null; }
|
---|
795 |
|
---|
796 | if (select2 !== undefined) {
|
---|
797 | select2.container.remove();
|
---|
798 | select2.dropdown.remove();
|
---|
799 | element
|
---|
800 | .removeClass("select2-offscreen")
|
---|
801 | .removeData("select2")
|
---|
802 | .off(".select2")
|
---|
803 | .prop("autofocus", this.autofocus || false);
|
---|
804 | if (this.elementTabIndex) {
|
---|
805 | element.attr({tabindex: this.elementTabIndex});
|
---|
806 | } else {
|
---|
807 | element.removeAttr("tabindex");
|
---|
808 | }
|
---|
809 | element.show();
|
---|
810 | }
|
---|
811 | },
|
---|
812 |
|
---|
813 | // abstract
|
---|
814 | optionToData: function(element) {
|
---|
815 | if (element.is("option")) {
|
---|
816 | return {
|
---|
817 | id:element.prop("value"),
|
---|
818 | text:element.text(),
|
---|
819 | element: element.get(),
|
---|
820 | css: element.attr("class"),
|
---|
821 | disabled: element.prop("disabled"),
|
---|
822 | locked: equal(element.attr("locked"), "locked") || equal(element.data("locked"), true)
|
---|
823 | };
|
---|
824 | } else if (element.is("optgroup")) {
|
---|
825 | return {
|
---|
826 | text:element.attr("label"),
|
---|
827 | children:[],
|
---|
828 | element: element.get(),
|
---|
829 | css: element.attr("class")
|
---|
830 | };
|
---|
831 | }
|
---|
832 | },
|
---|
833 |
|
---|
834 | // abstract
|
---|
835 | prepareOpts: function (opts) {
|
---|
836 | var element, select, idKey, ajaxUrl, self = this;
|
---|
837 |
|
---|
838 | element = opts.element;
|
---|
839 |
|
---|
840 | if (element.get(0).tagName.toLowerCase() === "select") {
|
---|
841 | this.select = select = opts.element;
|
---|
842 | }
|
---|
843 |
|
---|
844 | if (select) {
|
---|
845 | // these options are not allowed when attached to a select because they are picked up off the element itself
|
---|
846 | $.each(["id", "multiple", "ajax", "query", "createSearchChoice", "initSelection", "data", "tags"], function () {
|
---|
847 | if (this in opts) {
|
---|
848 | throw new Error("Option '" + this + "' is not allowed for Select2 when attached to a <select> element.");
|
---|
849 | }
|
---|
850 | });
|
---|
851 | }
|
---|
852 |
|
---|
853 | opts = $.extend({}, {
|
---|
854 | populateResults: function(container, results, query) {
|
---|
855 | var populate, id=this.opts.id;
|
---|
856 |
|
---|
857 | populate=function(results, container, depth) {
|
---|
858 |
|
---|
859 | var i, l, result, selectable, disabled, compound, node, label, innerContainer, formatted;
|
---|
860 |
|
---|
861 | results = opts.sortResults(results, container, query);
|
---|
862 |
|
---|
863 | for (i = 0, l = results.length; i < l; i = i + 1) {
|
---|
864 |
|
---|
865 | result=results[i];
|
---|
866 |
|
---|
867 | disabled = (result.disabled === true);
|
---|
868 | selectable = (!disabled) && (id(result) !== undefined);
|
---|
869 |
|
---|
870 | compound=result.children && result.children.length > 0;
|
---|
871 |
|
---|
872 | node=$("<li></li>");
|
---|
873 | node.addClass("select2-results-dept-"+depth);
|
---|
874 | node.addClass("select2-result");
|
---|
875 | node.addClass(selectable ? "select2-result-selectable" : "select2-result-unselectable");
|
---|
876 | if (disabled) { node.addClass("select2-disabled"); }
|
---|
877 | if (compound) { node.addClass("select2-result-with-children"); }
|
---|
878 | node.addClass(self.opts.formatResultCssClass(result));
|
---|
879 |
|
---|
880 | label=$(document.createElement("div"));
|
---|
881 | label.addClass("select2-result-label");
|
---|
882 |
|
---|
883 | formatted=opts.formatResult(result, label, query, self.opts.escapeMarkup);
|
---|
884 | if (formatted!==undefined) {
|
---|
885 | label.html(formatted);
|
---|
886 | }
|
---|
887 |
|
---|
888 | node.append(label);
|
---|
889 |
|
---|
890 | if (compound) {
|
---|
891 |
|
---|
892 | innerContainer=$("<ul></ul>");
|
---|
893 | innerContainer.addClass("select2-result-sub");
|
---|
894 | populate(result.children, innerContainer, depth+1);
|
---|
895 | node.append(innerContainer);
|
---|
896 | }
|
---|
897 |
|
---|
898 | node.data("select2-data", result);
|
---|
899 | container.append(node);
|
---|
900 | }
|
---|
901 | };
|
---|
902 |
|
---|
903 | populate(results, container, 0);
|
---|
904 | }
|
---|
905 | }, $.fn.select2.defaults, opts);
|
---|
906 |
|
---|
907 | if (typeof(opts.id) !== "function") {
|
---|
908 | idKey = opts.id;
|
---|
909 | opts.id = function (e) { return e[idKey]; };
|
---|
910 | }
|
---|
911 |
|
---|
912 | if ($.isArray(opts.element.data("select2Tags"))) {
|
---|
913 | if ("tags" in opts) {
|
---|
914 | throw "tags specified as both an attribute 'data-select2-tags' and in options of Select2 " + opts.element.attr("id");
|
---|
915 | }
|
---|
916 | opts.tags=opts.element.data("select2Tags");
|
---|
917 | }
|
---|
918 |
|
---|
919 | if (select) {
|
---|
920 | opts.query = this.bind(function (query) {
|
---|
921 | var data = { results: [], more: false },
|
---|
922 | term = query.term,
|
---|
923 | children, placeholderOption, process;
|
---|
924 |
|
---|
925 | process=function(element, collection) {
|
---|
926 | var group;
|
---|
927 | if (element.is("option")) {
|
---|
928 | if (query.matcher(term, element.text(), element)) {
|
---|
929 | collection.push(self.optionToData(element));
|
---|
930 | }
|
---|
931 | } else if (element.is("optgroup")) {
|
---|
932 | group=self.optionToData(element);
|
---|
933 | element.children().each2(function(i, elm) { process(elm, group.children); });
|
---|
934 | if (group.children.length>0) {
|
---|
935 | collection.push(group);
|
---|
936 | }
|
---|
937 | }
|
---|
938 | };
|
---|
939 |
|
---|
940 | children=element.children();
|
---|
941 |
|
---|
942 | // ignore the placeholder option if there is one
|
---|
943 | if (this.getPlaceholder() !== undefined && children.length > 0) {
|
---|
944 | placeholderOption = this.getPlaceholderOption();
|
---|
945 | if (placeholderOption) {
|
---|
946 | children=children.not(placeholderOption);
|
---|
947 | }
|
---|
948 | }
|
---|
949 |
|
---|
950 | children.each2(function(i, elm) { process(elm, data.results); });
|
---|
951 |
|
---|
952 | query.callback(data);
|
---|
953 | });
|
---|
954 | // this is needed because inside val() we construct choices from options and there id is hardcoded
|
---|
955 | opts.id=function(e) { return e.id; };
|
---|
956 | opts.formatResultCssClass = function(data) { return data.css; };
|
---|
957 | } else {
|
---|
958 | if (!("query" in opts)) {
|
---|
959 |
|
---|
960 | if ("ajax" in opts) {
|
---|
961 | ajaxUrl = opts.element.data("ajax-url");
|
---|
962 | if (ajaxUrl && ajaxUrl.length > 0) {
|
---|
963 | opts.ajax.url = ajaxUrl;
|
---|
964 | }
|
---|
965 | opts.query = ajax.call(opts.element, opts.ajax);
|
---|
966 | } else if ("data" in opts) {
|
---|
967 | opts.query = local(opts.data);
|
---|
968 | } else if ("tags" in opts) {
|
---|
969 | opts.query = tags(opts.tags);
|
---|
970 | if (opts.createSearchChoice === undefined) {
|
---|
971 | opts.createSearchChoice = function (term) { return {id: $.trim(term), text: $.trim(term)}; };
|
---|
972 | }
|
---|
973 | if (opts.initSelection === undefined) {
|
---|
974 | opts.initSelection = function (element, callback) {
|
---|
975 | var data = [];
|
---|
976 | $(splitVal(element.val(), opts.separator)).each(function () {
|
---|
977 | var obj = { id: this, text: this },
|
---|
978 | tags = opts.tags;
|
---|
979 | if ($.isFunction(tags)) tags=tags();
|
---|
980 | $(tags).each(function() { if (equal(this.id, obj.id)) { obj = this; return false; } });
|
---|
981 | data.push(obj);
|
---|
982 | });
|
---|
983 |
|
---|
984 | callback(data);
|
---|
985 | };
|
---|
986 | }
|
---|
987 | }
|
---|
988 | }
|
---|
989 | }
|
---|
990 | if (typeof(opts.query) !== "function") {
|
---|
991 | throw "query function not defined for Select2 " + opts.element.attr("id");
|
---|
992 | }
|
---|
993 |
|
---|
994 | return opts;
|
---|
995 | },
|
---|
996 |
|
---|
997 | /**
|
---|
998 | * Monitor the original element for changes and update select2 accordingly
|
---|
999 | */
|
---|
1000 | // abstract
|
---|
1001 | monitorSource: function () {
|
---|
1002 | var el = this.opts.element, sync, observer;
|
---|
1003 |
|
---|
1004 | el.on("change.select2", this.bind(function (e) {
|
---|
1005 | if (this.opts.element.data("select2-change-triggered") !== true) {
|
---|
1006 | this.initSelection();
|
---|
1007 | }
|
---|
1008 | }));
|
---|
1009 |
|
---|
1010 | sync = this.bind(function () {
|
---|
1011 |
|
---|
1012 | // sync enabled state
|
---|
1013 | var disabled = el.prop("disabled");
|
---|
1014 | if (disabled === undefined) disabled = false;
|
---|
1015 | this.enable(!disabled);
|
---|
1016 |
|
---|
1017 | var readonly = el.prop("readonly");
|
---|
1018 | if (readonly === undefined) readonly = false;
|
---|
1019 | this.readonly(readonly);
|
---|
1020 |
|
---|
1021 | syncCssClasses(this.container, this.opts.element, this.opts.adaptContainerCssClass);
|
---|
1022 | this.container.addClass(evaluate(this.opts.containerCssClass));
|
---|
1023 |
|
---|
1024 | syncCssClasses(this.dropdown, this.opts.element, this.opts.adaptDropdownCssClass);
|
---|
1025 | this.dropdown.addClass(evaluate(this.opts.dropdownCssClass));
|
---|
1026 |
|
---|
1027 | });
|
---|
1028 |
|
---|
1029 | // IE8-10
|
---|
1030 | el.on("propertychange.select2", sync);
|
---|
1031 |
|
---|
1032 | // hold onto a reference of the callback to work around a chromium bug
|
---|
1033 | if (this.mutationCallback === undefined) {
|
---|
1034 | this.mutationCallback = function (mutations) {
|
---|
1035 | mutations.forEach(sync);
|
---|
1036 | }
|
---|
1037 | }
|
---|
1038 |
|
---|
1039 | // safari, chrome, firefox, IE11
|
---|
1040 | observer = window.MutationObserver || window.WebKitMutationObserver|| window.MozMutationObserver;
|
---|
1041 | if (observer !== undefined) {
|
---|
1042 | if (this.propertyObserver) { delete this.propertyObserver; this.propertyObserver = null; }
|
---|
1043 | this.propertyObserver = new observer(this.mutationCallback);
|
---|
1044 | this.propertyObserver.observe(el.get(0), { attributes:true, subtree:false });
|
---|
1045 | }
|
---|
1046 | },
|
---|
1047 |
|
---|
1048 | // abstract
|
---|
1049 | triggerSelect: function(data) {
|
---|
1050 | var evt = $.Event("select2-selecting", { val: this.id(data), object: data });
|
---|
1051 | this.opts.element.trigger(evt);
|
---|
1052 | return !evt.isDefaultPrevented();
|
---|
1053 | },
|
---|
1054 |
|
---|
1055 | /**
|
---|
1056 | * Triggers the change event on the source element
|
---|
1057 | */
|
---|
1058 | // abstract
|
---|
1059 | triggerChange: function (details) {
|
---|
1060 |
|
---|
1061 | details = details || {};
|
---|
1062 | details= $.extend({}, details, { type: "change", val: this.val() });
|
---|
1063 | // prevents recursive triggering
|
---|
1064 | this.opts.element.data("select2-change-triggered", true);
|
---|
1065 | this.opts.element.trigger(details);
|
---|
1066 | this.opts.element.data("select2-change-triggered", false);
|
---|
1067 |
|
---|
1068 | // some validation frameworks ignore the change event and listen instead to keyup, click for selects
|
---|
1069 | // so here we trigger the click event manually
|
---|
1070 | this.opts.element.click();
|
---|
1071 |
|
---|
1072 | // ValidationEngine ignorea the change event and listens instead to blur
|
---|
1073 | // so here we trigger the blur event manually if so desired
|
---|
1074 | if (this.opts.blurOnChange)
|
---|
1075 | this.opts.element.blur();
|
---|
1076 | },
|
---|
1077 |
|
---|
1078 | //abstract
|
---|
1079 | isInterfaceEnabled: function()
|
---|
1080 | {
|
---|
1081 | return this.enabledInterface === true;
|
---|
1082 | },
|
---|
1083 |
|
---|
1084 | // abstract
|
---|
1085 | enableInterface: function() {
|
---|
1086 | var enabled = this._enabled && !this._readonly,
|
---|
1087 | disabled = !enabled;
|
---|
1088 |
|
---|
1089 | if (enabled === this.enabledInterface) return false;
|
---|
1090 |
|
---|
1091 | this.container.toggleClass("select2-container-disabled", disabled);
|
---|
1092 | this.close();
|
---|
1093 | this.enabledInterface = enabled;
|
---|
1094 |
|
---|
1095 | return true;
|
---|
1096 | },
|
---|
1097 |
|
---|
1098 | // abstract
|
---|
1099 | enable: function(enabled) {
|
---|
1100 | if (enabled === undefined) enabled = true;
|
---|
1101 | if (this._enabled === enabled) return;
|
---|
1102 | this._enabled = enabled;
|
---|
1103 |
|
---|
1104 | this.opts.element.prop("disabled", !enabled);
|
---|
1105 | this.enableInterface();
|
---|
1106 | },
|
---|
1107 |
|
---|
1108 | // abstract
|
---|
1109 | disable: function() {
|
---|
1110 | this.enable(false);
|
---|
1111 | },
|
---|
1112 |
|
---|
1113 | // abstract
|
---|
1114 | readonly: function(enabled) {
|
---|
1115 | if (enabled === undefined) enabled = false;
|
---|
1116 | if (this._readonly === enabled) return false;
|
---|
1117 | this._readonly = enabled;
|
---|
1118 |
|
---|
1119 | this.opts.element.prop("readonly", enabled);
|
---|
1120 | this.enableInterface();
|
---|
1121 | return true;
|
---|
1122 | },
|
---|
1123 |
|
---|
1124 | // abstract
|
---|
1125 | opened: function () {
|
---|
1126 | return this.container.hasClass("select2-dropdown-open");
|
---|
1127 | },
|
---|
1128 |
|
---|
1129 | // abstract
|
---|
1130 | positionDropdown: function() {
|
---|
1131 | var $dropdown = this.dropdown,
|
---|
1132 | offset = this.container.offset(),
|
---|
1133 | height = this.container.outerHeight(false),
|
---|
1134 | width = this.container.outerWidth(false),
|
---|
1135 | dropHeight = $dropdown.outerHeight(false),
|
---|
1136 | $window = $(window),
|
---|
1137 | windowWidth = $window.width(),
|
---|
1138 | windowHeight = $window.height(),
|
---|
1139 | viewPortRight = $window.scrollLeft() + windowWidth,
|
---|
1140 | viewportBottom = $window.scrollTop() + windowHeight,
|
---|
1141 | dropTop = offset.top + height,
|
---|
1142 | dropLeft = offset.left,
|
---|
1143 | enoughRoomBelow = dropTop + dropHeight <= viewportBottom,
|
---|
1144 | enoughRoomAbove = (offset.top - dropHeight) >= this.body().scrollTop(),
|
---|
1145 | dropWidth = $dropdown.outerWidth(false),
|
---|
1146 | enoughRoomOnRight = dropLeft + dropWidth <= viewPortRight,
|
---|
1147 | aboveNow = $dropdown.hasClass("select2-drop-above"),
|
---|
1148 | bodyOffset,
|
---|
1149 | above,
|
---|
1150 | changeDirection,
|
---|
1151 | css,
|
---|
1152 | resultsListNode;
|
---|
1153 |
|
---|
1154 | // always prefer the current above/below alignment, unless there is not enough room
|
---|
1155 | if (aboveNow) {
|
---|
1156 | above = true;
|
---|
1157 | if (!enoughRoomAbove && enoughRoomBelow) {
|
---|
1158 | changeDirection = true;
|
---|
1159 | above = false;
|
---|
1160 | }
|
---|
1161 | } else {
|
---|
1162 | above = false;
|
---|
1163 | if (!enoughRoomBelow && enoughRoomAbove) {
|
---|
1164 | changeDirection = true;
|
---|
1165 | above = true;
|
---|
1166 | }
|
---|
1167 | }
|
---|
1168 |
|
---|
1169 | //if we are changing direction we need to get positions when dropdown is hidden;
|
---|
1170 | if (changeDirection) {
|
---|
1171 | $dropdown.hide();
|
---|
1172 | offset = this.container.offset();
|
---|
1173 | height = this.container.outerHeight(false);
|
---|
1174 | width = this.container.outerWidth(false);
|
---|
1175 | dropHeight = $dropdown.outerHeight(false);
|
---|
1176 | viewPortRight = $window.scrollLeft() + windowWidth;
|
---|
1177 | viewportBottom = $window.scrollTop() + windowHeight;
|
---|
1178 | dropTop = offset.top + height;
|
---|
1179 | dropLeft = offset.left;
|
---|
1180 | dropWidth = $dropdown.outerWidth(false);
|
---|
1181 | enoughRoomOnRight = dropLeft + dropWidth <= viewPortRight;
|
---|
1182 | $dropdown.show();
|
---|
1183 | }
|
---|
1184 |
|
---|
1185 | if (this.opts.dropdownAutoWidth) {
|
---|
1186 | resultsListNode = $('.select2-results', $dropdown)[0];
|
---|
1187 | $dropdown.addClass('select2-drop-auto-width');
|
---|
1188 | $dropdown.css('width', '');
|
---|
1189 | // Add scrollbar width to dropdown if vertical scrollbar is present
|
---|
1190 | dropWidth = $dropdown.outerWidth(false) + (resultsListNode.scrollHeight === resultsListNode.clientHeight ? 0 : scrollBarDimensions.width);
|
---|
1191 | dropWidth > width ? width = dropWidth : dropWidth = width;
|
---|
1192 | enoughRoomOnRight = dropLeft + dropWidth <= viewPortRight;
|
---|
1193 | }
|
---|
1194 | else {
|
---|
1195 | this.container.removeClass('select2-drop-auto-width');
|
---|
1196 | }
|
---|
1197 |
|
---|
1198 | //console.log("below/ droptop:", dropTop, "dropHeight", dropHeight, "sum", (dropTop+dropHeight)+" viewport bottom", viewportBottom, "enough?", enoughRoomBelow);
|
---|
1199 | //console.log("above/ offset.top", offset.top, "dropHeight", dropHeight, "top", (offset.top-dropHeight), "scrollTop", this.body().scrollTop(), "enough?", enoughRoomAbove);
|
---|
1200 |
|
---|
1201 | // fix positioning when body has an offset and is not position: static
|
---|
1202 | if (this.body().css('position') !== 'static') {
|
---|
1203 | bodyOffset = this.body().offset();
|
---|
1204 | dropTop -= bodyOffset.top;
|
---|
1205 | dropLeft -= bodyOffset.left;
|
---|
1206 | }
|
---|
1207 |
|
---|
1208 | if (!enoughRoomOnRight) {
|
---|
1209 | dropLeft = offset.left + width - dropWidth;
|
---|
1210 | }
|
---|
1211 |
|
---|
1212 | css = {
|
---|
1213 | left: dropLeft,
|
---|
1214 | width: width
|
---|
1215 | };
|
---|
1216 |
|
---|
1217 | if (above) {
|
---|
1218 | css.bottom = windowHeight - offset.top;
|
---|
1219 | css.top = 'auto';
|
---|
1220 | this.container.addClass("select2-drop-above");
|
---|
1221 | $dropdown.addClass("select2-drop-above");
|
---|
1222 | }
|
---|
1223 | else {
|
---|
1224 | css.top = dropTop;
|
---|
1225 | css.bottom = 'auto';
|
---|
1226 | this.container.removeClass("select2-drop-above");
|
---|
1227 | $dropdown.removeClass("select2-drop-above");
|
---|
1228 | }
|
---|
1229 | css = $.extend(css, evaluate(this.opts.dropdownCss));
|
---|
1230 |
|
---|
1231 | $dropdown.css(css);
|
---|
1232 | },
|
---|
1233 |
|
---|
1234 | // abstract
|
---|
1235 | shouldOpen: function() {
|
---|
1236 | var event;
|
---|
1237 |
|
---|
1238 | if (this.opened()) return false;
|
---|
1239 |
|
---|
1240 | if (this._enabled === false || this._readonly === true) return false;
|
---|
1241 |
|
---|
1242 | event = $.Event("select2-opening");
|
---|
1243 | this.opts.element.trigger(event);
|
---|
1244 | return !event.isDefaultPrevented();
|
---|
1245 | },
|
---|
1246 |
|
---|
1247 | // abstract
|
---|
1248 | clearDropdownAlignmentPreference: function() {
|
---|
1249 | // clear the classes used to figure out the preference of where the dropdown should be opened
|
---|
1250 | this.container.removeClass("select2-drop-above");
|
---|
1251 | this.dropdown.removeClass("select2-drop-above");
|
---|
1252 | },
|
---|
1253 |
|
---|
1254 | /**
|
---|
1255 | * Opens the dropdown
|
---|
1256 | *
|
---|
1257 | * @return {Boolean} whether or not dropdown was opened. This method will return false if, for example,
|
---|
1258 | * the dropdown is already open, or if the 'open' event listener on the element called preventDefault().
|
---|
1259 | */
|
---|
1260 | // abstract
|
---|
1261 | open: function () {
|
---|
1262 |
|
---|
1263 | if (!this.shouldOpen()) return false;
|
---|
1264 |
|
---|
1265 | this.opening();
|
---|
1266 |
|
---|
1267 | return true;
|
---|
1268 | },
|
---|
1269 |
|
---|
1270 | /**
|
---|
1271 | * Performs the opening of the dropdown
|
---|
1272 | */
|
---|
1273 | // abstract
|
---|
1274 | opening: function() {
|
---|
1275 | var cid = this.containerId,
|
---|
1276 | scroll = "scroll." + cid,
|
---|
1277 | resize = "resize."+cid,
|
---|
1278 | orient = "orientationchange."+cid,
|
---|
1279 | mask;
|
---|
1280 |
|
---|
1281 | this.container.addClass("select2-dropdown-open").addClass("select2-container-active");
|
---|
1282 |
|
---|
1283 | this.clearDropdownAlignmentPreference();
|
---|
1284 |
|
---|
1285 | if(this.dropdown[0] !== this.body().children().last()[0]) {
|
---|
1286 | this.dropdown.detach().appendTo(this.body());
|
---|
1287 | }
|
---|
1288 |
|
---|
1289 | // create the dropdown mask if doesnt already exist
|
---|
1290 | mask = $("#select2-drop-mask");
|
---|
1291 | if (mask.length == 0) {
|
---|
1292 | mask = $(document.createElement("div"));
|
---|
1293 | mask.attr("id","select2-drop-mask").attr("class","select2-drop-mask");
|
---|
1294 | mask.hide();
|
---|
1295 | mask.appendTo(this.body());
|
---|
1296 | mask.on("mousedown touchstart click", function (e) {
|
---|
1297 | var dropdown = $("#select2-drop"), self;
|
---|
1298 | if (dropdown.length > 0) {
|
---|
1299 | self=dropdown.data("select2");
|
---|
1300 | if (self.opts.selectOnBlur) {
|
---|
1301 | self.selectHighlighted({noFocus: true});
|
---|
1302 | }
|
---|
1303 | self.close({focus:true});
|
---|
1304 | e.preventDefault();
|
---|
1305 | e.stopPropagation();
|
---|
1306 | }
|
---|
1307 | });
|
---|
1308 | }
|
---|
1309 |
|
---|
1310 | // ensure the mask is always right before the dropdown
|
---|
1311 | if (this.dropdown.prev()[0] !== mask[0]) {
|
---|
1312 | this.dropdown.before(mask);
|
---|
1313 | }
|
---|
1314 |
|
---|
1315 | // move the global id to the correct dropdown
|
---|
1316 | $("#select2-drop").removeAttr("id");
|
---|
1317 | this.dropdown.attr("id", "select2-drop");
|
---|
1318 |
|
---|
1319 | // show the elements
|
---|
1320 | mask.show();
|
---|
1321 |
|
---|
1322 | this.positionDropdown();
|
---|
1323 | this.dropdown.show();
|
---|
1324 | this.positionDropdown();
|
---|
1325 |
|
---|
1326 | this.dropdown.addClass("select2-drop-active");
|
---|
1327 |
|
---|
1328 | // attach listeners to events that can change the position of the container and thus require
|
---|
1329 | // the position of the dropdown to be updated as well so it does not come unglued from the container
|
---|
1330 | var that = this;
|
---|
1331 | this.container.parents().add(window).each(function () {
|
---|
1332 | $(this).on(resize+" "+scroll+" "+orient, function (e) {
|
---|
1333 | that.positionDropdown();
|
---|
1334 | });
|
---|
1335 | });
|
---|
1336 |
|
---|
1337 |
|
---|
1338 | },
|
---|
1339 |
|
---|
1340 | // abstract
|
---|
1341 | close: function () {
|
---|
1342 | if (!this.opened()) return;
|
---|
1343 |
|
---|
1344 | var cid = this.containerId,
|
---|
1345 | scroll = "scroll." + cid,
|
---|
1346 | resize = "resize."+cid,
|
---|
1347 | orient = "orientationchange."+cid;
|
---|
1348 |
|
---|
1349 | // unbind event listeners
|
---|
1350 | this.container.parents().add(window).each(function () { $(this).off(scroll).off(resize).off(orient); });
|
---|
1351 |
|
---|
1352 | this.clearDropdownAlignmentPreference();
|
---|
1353 |
|
---|
1354 | $("#select2-drop-mask").hide();
|
---|
1355 | this.dropdown.removeAttr("id"); // only the active dropdown has the select2-drop id
|
---|
1356 | this.dropdown.hide();
|
---|
1357 | this.container.removeClass("select2-dropdown-open").removeClass("select2-container-active");
|
---|
1358 | this.results.empty();
|
---|
1359 |
|
---|
1360 |
|
---|
1361 | this.clearSearch();
|
---|
1362 | this.search.removeClass("select2-active");
|
---|
1363 | this.opts.element.trigger($.Event("select2-close"));
|
---|
1364 | },
|
---|
1365 |
|
---|
1366 | /**
|
---|
1367 | * Opens control, sets input value, and updates results.
|
---|
1368 | */
|
---|
1369 | // abstract
|
---|
1370 | externalSearch: function (term) {
|
---|
1371 | this.open();
|
---|
1372 | this.search.val(term);
|
---|
1373 | this.updateResults(false);
|
---|
1374 | },
|
---|
1375 |
|
---|
1376 | // abstract
|
---|
1377 | clearSearch: function () {
|
---|
1378 |
|
---|
1379 | },
|
---|
1380 |
|
---|
1381 | //abstract
|
---|
1382 | getMaximumSelectionSize: function() {
|
---|
1383 | return evaluate(this.opts.maximumSelectionSize);
|
---|
1384 | },
|
---|
1385 |
|
---|
1386 | // abstract
|
---|
1387 | ensureHighlightVisible: function () {
|
---|
1388 | var results = this.results, children, index, child, hb, rb, y, more;
|
---|
1389 |
|
---|
1390 | index = this.highlight();
|
---|
1391 |
|
---|
1392 | if (index < 0) return;
|
---|
1393 |
|
---|
1394 | if (index == 0) {
|
---|
1395 |
|
---|
1396 | // if the first element is highlighted scroll all the way to the top,
|
---|
1397 | // that way any unselectable headers above it will also be scrolled
|
---|
1398 | // into view
|
---|
1399 |
|
---|
1400 | results.scrollTop(0);
|
---|
1401 | return;
|
---|
1402 | }
|
---|
1403 |
|
---|
1404 | children = this.findHighlightableChoices().find('.select2-result-label');
|
---|
1405 |
|
---|
1406 | child = $(children[index]);
|
---|
1407 |
|
---|
1408 | hb = child.offset().top + child.outerHeight(true);
|
---|
1409 |
|
---|
1410 | // if this is the last child lets also make sure select2-more-results is visible
|
---|
1411 | if (index === children.length - 1) {
|
---|
1412 | more = results.find("li.select2-more-results");
|
---|
1413 | if (more.length > 0) {
|
---|
1414 | hb = more.offset().top + more.outerHeight(true);
|
---|
1415 | }
|
---|
1416 | }
|
---|
1417 |
|
---|
1418 | rb = results.offset().top + results.outerHeight(true);
|
---|
1419 | if (hb > rb) {
|
---|
1420 | results.scrollTop(results.scrollTop() + (hb - rb));
|
---|
1421 | }
|
---|
1422 | y = child.offset().top - results.offset().top;
|
---|
1423 |
|
---|
1424 | // make sure the top of the element is visible
|
---|
1425 | if (y < 0 && child.css('display') != 'none' ) {
|
---|
1426 | results.scrollTop(results.scrollTop() + y); // y is negative
|
---|
1427 | }
|
---|
1428 | },
|
---|
1429 |
|
---|
1430 | // abstract
|
---|
1431 | findHighlightableChoices: function() {
|
---|
1432 | return this.results.find(".select2-result-selectable:not(.select2-disabled, .select2-selected)");
|
---|
1433 | },
|
---|
1434 |
|
---|
1435 | // abstract
|
---|
1436 | moveHighlight: function (delta) {
|
---|
1437 | var choices = this.findHighlightableChoices(),
|
---|
1438 | index = this.highlight();
|
---|
1439 |
|
---|
1440 | while (index > -1 && index < choices.length) {
|
---|
1441 | index += delta;
|
---|
1442 | var choice = $(choices[index]);
|
---|
1443 | if (choice.hasClass("select2-result-selectable") && !choice.hasClass("select2-disabled") && !choice.hasClass("select2-selected")) {
|
---|
1444 | this.highlight(index);
|
---|
1445 | break;
|
---|
1446 | }
|
---|
1447 | }
|
---|
1448 | },
|
---|
1449 |
|
---|
1450 | // abstract
|
---|
1451 | highlight: function (index) {
|
---|
1452 | var choices = this.findHighlightableChoices(),
|
---|
1453 | choice,
|
---|
1454 | data;
|
---|
1455 |
|
---|
1456 | if (arguments.length === 0) {
|
---|
1457 | return indexOf(choices.filter(".select2-highlighted")[0], choices.get());
|
---|
1458 | }
|
---|
1459 |
|
---|
1460 | if (index >= choices.length) index = choices.length - 1;
|
---|
1461 | if (index < 0) index = 0;
|
---|
1462 |
|
---|
1463 | this.removeHighlight();
|
---|
1464 |
|
---|
1465 | choice = $(choices[index]);
|
---|
1466 | choice.addClass("select2-highlighted");
|
---|
1467 |
|
---|
1468 | this.ensureHighlightVisible();
|
---|
1469 |
|
---|
1470 | data = choice.data("select2-data");
|
---|
1471 | if (data) {
|
---|
1472 | this.opts.element.trigger({ type: "select2-highlight", val: this.id(data), choice: data });
|
---|
1473 | }
|
---|
1474 | },
|
---|
1475 |
|
---|
1476 | removeHighlight: function() {
|
---|
1477 | this.results.find(".select2-highlighted").removeClass("select2-highlighted");
|
---|
1478 | },
|
---|
1479 |
|
---|
1480 | // abstract
|
---|
1481 | countSelectableResults: function() {
|
---|
1482 | return this.findHighlightableChoices().length;
|
---|
1483 | },
|
---|
1484 |
|
---|
1485 | // abstract
|
---|
1486 | highlightUnderEvent: function (event) {
|
---|
1487 | var el = $(event.target).closest(".select2-result-selectable");
|
---|
1488 | if (el.length > 0 && !el.is(".select2-highlighted")) {
|
---|
1489 | var choices = this.findHighlightableChoices();
|
---|
1490 | this.highlight(choices.index(el));
|
---|
1491 | } else if (el.length == 0) {
|
---|
1492 | // if we are over an unselectable item remove all highlights
|
---|
1493 | this.removeHighlight();
|
---|
1494 | }
|
---|
1495 | },
|
---|
1496 |
|
---|
1497 | // abstract
|
---|
1498 | loadMoreIfNeeded: function () {
|
---|
1499 | var results = this.results,
|
---|
1500 | more = results.find("li.select2-more-results"),
|
---|
1501 | below, // pixels the element is below the scroll fold, below==0 is when the element is starting to be visible
|
---|
1502 | page = this.resultsPage + 1,
|
---|
1503 | self=this,
|
---|
1504 | term=this.search.val(),
|
---|
1505 | context=this.context;
|
---|
1506 |
|
---|
1507 | if (more.length === 0) return;
|
---|
1508 | below = more.offset().top - results.offset().top - results.height();
|
---|
1509 |
|
---|
1510 | if (below <= this.opts.loadMorePadding) {
|
---|
1511 | more.addClass("select2-active");
|
---|
1512 | this.opts.query({
|
---|
1513 | element: this.opts.element,
|
---|
1514 | term: term,
|
---|
1515 | page: page,
|
---|
1516 | context: context,
|
---|
1517 | matcher: this.opts.matcher,
|
---|
1518 | callback: this.bind(function (data) {
|
---|
1519 |
|
---|
1520 | // ignore a response if the select2 has been closed before it was received
|
---|
1521 | if (!self.opened()) return;
|
---|
1522 |
|
---|
1523 |
|
---|
1524 | self.opts.populateResults.call(this, results, data.results, {term: term, page: page, context:context});
|
---|
1525 | self.postprocessResults(data, false, false);
|
---|
1526 |
|
---|
1527 | if (data.more===true) {
|
---|
1528 | more.detach().appendTo(results).text(self.opts.formatLoadMore(page+1));
|
---|
1529 | window.setTimeout(function() { self.loadMoreIfNeeded(); }, 10);
|
---|
1530 | } else {
|
---|
1531 | more.remove();
|
---|
1532 | }
|
---|
1533 | self.positionDropdown();
|
---|
1534 | self.resultsPage = page;
|
---|
1535 | self.context = data.context;
|
---|
1536 | this.opts.element.trigger({ type: "select2-loaded", items: data });
|
---|
1537 | })});
|
---|
1538 | }
|
---|
1539 | },
|
---|
1540 |
|
---|
1541 | /**
|
---|
1542 | * Default tokenizer function which does nothing
|
---|
1543 | */
|
---|
1544 | tokenize: function() {
|
---|
1545 |
|
---|
1546 | },
|
---|
1547 |
|
---|
1548 | /**
|
---|
1549 | * @param initial whether or not this is the call to this method right after the dropdown has been opened
|
---|
1550 | */
|
---|
1551 | // abstract
|
---|
1552 | updateResults: function (initial) {
|
---|
1553 | var search = this.search,
|
---|
1554 | results = this.results,
|
---|
1555 | opts = this.opts,
|
---|
1556 | data,
|
---|
1557 | self = this,
|
---|
1558 | input,
|
---|
1559 | term = search.val(),
|
---|
1560 | lastTerm = $.data(this.container, "select2-last-term"),
|
---|
1561 | // sequence number used to drop out-of-order responses
|
---|
1562 | queryNumber;
|
---|
1563 |
|
---|
1564 | // prevent duplicate queries against the same term
|
---|
1565 | if (initial !== true && lastTerm && equal(term, lastTerm)) return;
|
---|
1566 |
|
---|
1567 | $.data(this.container, "select2-last-term", term);
|
---|
1568 |
|
---|
1569 | // if the search is currently hidden we do not alter the results
|
---|
1570 | if (initial !== true && (this.showSearchInput === false || !this.opened())) {
|
---|
1571 | return;
|
---|
1572 | }
|
---|
1573 |
|
---|
1574 | function postRender() {
|
---|
1575 | search.removeClass("select2-active");
|
---|
1576 | self.positionDropdown();
|
---|
1577 | }
|
---|
1578 |
|
---|
1579 | function render(html) {
|
---|
1580 | results.html(html);
|
---|
1581 | postRender();
|
---|
1582 | }
|
---|
1583 |
|
---|
1584 | queryNumber = ++this.queryCount;
|
---|
1585 |
|
---|
1586 | var maxSelSize = this.getMaximumSelectionSize();
|
---|
1587 | if (maxSelSize >=1) {
|
---|
1588 | data = this.data();
|
---|
1589 | if ($.isArray(data) && data.length >= maxSelSize && checkFormatter(opts.formatSelectionTooBig, "formatSelectionTooBig")) {
|
---|
1590 | render("<li class='select2-selection-limit'>" + opts.formatSelectionTooBig(maxSelSize) + "</li>");
|
---|
1591 | return;
|
---|
1592 | }
|
---|
1593 | }
|
---|
1594 |
|
---|
1595 | if (search.val().length < opts.minimumInputLength) {
|
---|
1596 | if (checkFormatter(opts.formatInputTooShort, "formatInputTooShort")) {
|
---|
1597 | render("<li class='select2-no-results'>" + opts.formatInputTooShort(search.val(), opts.minimumInputLength) + "</li>");
|
---|
1598 | } else {
|
---|
1599 | render("");
|
---|
1600 | }
|
---|
1601 | if (initial && this.showSearch) this.showSearch(true);
|
---|
1602 | return;
|
---|
1603 | }
|
---|
1604 |
|
---|
1605 | if (opts.maximumInputLength && search.val().length > opts.maximumInputLength) {
|
---|
1606 | if (checkFormatter(opts.formatInputTooLong, "formatInputTooLong")) {
|
---|
1607 | render("<li class='select2-no-results'>" + opts.formatInputTooLong(search.val(), opts.maximumInputLength) + "</li>");
|
---|
1608 | } else {
|
---|
1609 | render("");
|
---|
1610 | }
|
---|
1611 | return;
|
---|
1612 | }
|
---|
1613 |
|
---|
1614 | if (opts.formatSearching && this.findHighlightableChoices().length === 0) {
|
---|
1615 | render("<li class='select2-searching'>" + opts.formatSearching() + "</li>");
|
---|
1616 | }
|
---|
1617 |
|
---|
1618 | search.addClass("select2-active");
|
---|
1619 |
|
---|
1620 | this.removeHighlight();
|
---|
1621 |
|
---|
1622 | // give the tokenizer a chance to pre-process the input
|
---|
1623 | input = this.tokenize();
|
---|
1624 | if (input != undefined && input != null) {
|
---|
1625 | search.val(input);
|
---|
1626 | }
|
---|
1627 |
|
---|
1628 | this.resultsPage = 1;
|
---|
1629 |
|
---|
1630 | opts.query({
|
---|
1631 | element: opts.element,
|
---|
1632 | term: search.val(),
|
---|
1633 | page: this.resultsPage,
|
---|
1634 | context: null,
|
---|
1635 | matcher: opts.matcher,
|
---|
1636 | callback: this.bind(function (data) {
|
---|
1637 | var def; // default choice
|
---|
1638 |
|
---|
1639 | // ignore old responses
|
---|
1640 | if (queryNumber != this.queryCount) {
|
---|
1641 | return;
|
---|
1642 | }
|
---|
1643 |
|
---|
1644 | // ignore a response if the select2 has been closed before it was received
|
---|
1645 | if (!this.opened()) {
|
---|
1646 | this.search.removeClass("select2-active");
|
---|
1647 | return;
|
---|
1648 | }
|
---|
1649 |
|
---|
1650 | // save context, if any
|
---|
1651 | this.context = (data.context===undefined) ? null : data.context;
|
---|
1652 | // create a default choice and prepend it to the list
|
---|
1653 | if (this.opts.createSearchChoice && search.val() !== "") {
|
---|
1654 | def = this.opts.createSearchChoice.call(self, search.val(), data.results);
|
---|
1655 | if (def !== undefined && def !== null && self.id(def) !== undefined && self.id(def) !== null) {
|
---|
1656 | if ($(data.results).filter(
|
---|
1657 | function () {
|
---|
1658 | return equal(self.id(this), self.id(def));
|
---|
1659 | }).length === 0) {
|
---|
1660 | data.results.unshift(def);
|
---|
1661 | }
|
---|
1662 | }
|
---|
1663 | }
|
---|
1664 |
|
---|
1665 | if (data.results.length === 0 && checkFormatter(opts.formatNoMatches, "formatNoMatches")) {
|
---|
1666 | render("<li class='select2-no-results'>" + opts.formatNoMatches(search.val()) + "</li>");
|
---|
1667 | return;
|
---|
1668 | }
|
---|
1669 |
|
---|
1670 | results.empty();
|
---|
1671 | self.opts.populateResults.call(this, results, data.results, {term: search.val(), page: this.resultsPage, context:null});
|
---|
1672 |
|
---|
1673 | if (data.more === true && checkFormatter(opts.formatLoadMore, "formatLoadMore")) {
|
---|
1674 | results.append("<li class='select2-more-results'>" + self.opts.escapeMarkup(opts.formatLoadMore(this.resultsPage)) + "</li>");
|
---|
1675 | window.setTimeout(function() { self.loadMoreIfNeeded(); }, 10);
|
---|
1676 | }
|
---|
1677 |
|
---|
1678 | this.postprocessResults(data, initial);
|
---|
1679 |
|
---|
1680 | postRender();
|
---|
1681 |
|
---|
1682 | this.opts.element.trigger({ type: "select2-loaded", items: data });
|
---|
1683 | })});
|
---|
1684 | },
|
---|
1685 |
|
---|
1686 | // abstract
|
---|
1687 | cancel: function () {
|
---|
1688 | this.close();
|
---|
1689 | },
|
---|
1690 |
|
---|
1691 | // abstract
|
---|
1692 | blur: function () {
|
---|
1693 | // if selectOnBlur == true, select the currently highlighted option
|
---|
1694 | if (this.opts.selectOnBlur)
|
---|
1695 | this.selectHighlighted({noFocus: true});
|
---|
1696 |
|
---|
1697 | this.close();
|
---|
1698 | this.container.removeClass("select2-container-active");
|
---|
1699 | // synonymous to .is(':focus'), which is available in jquery >= 1.6
|
---|
1700 | if (this.search[0] === document.activeElement) { this.search.blur(); }
|
---|
1701 | this.clearSearch();
|
---|
1702 | this.selection.find(".select2-search-choice-focus").removeClass("select2-search-choice-focus");
|
---|
1703 | },
|
---|
1704 |
|
---|
1705 | // abstract
|
---|
1706 | focusSearch: function () {
|
---|
1707 | focus(this.search);
|
---|
1708 | },
|
---|
1709 |
|
---|
1710 | // abstract
|
---|
1711 | selectHighlighted: function (options) {
|
---|
1712 | var index=this.highlight(),
|
---|
1713 | highlighted=this.results.find(".select2-highlighted"),
|
---|
1714 | data = highlighted.closest('.select2-result').data("select2-data");
|
---|
1715 |
|
---|
1716 | if (data) {
|
---|
1717 | this.highlight(index);
|
---|
1718 | this.onSelect(data, options);
|
---|
1719 | } else if (options && options.noFocus) {
|
---|
1720 | this.close();
|
---|
1721 | }
|
---|
1722 | },
|
---|
1723 |
|
---|
1724 | // abstract
|
---|
1725 | getPlaceholder: function () {
|
---|
1726 | var placeholderOption;
|
---|
1727 | return this.opts.element.attr("placeholder") ||
|
---|
1728 | this.opts.element.attr("data-placeholder") || // jquery 1.4 compat
|
---|
1729 | this.opts.element.data("placeholder") ||
|
---|
1730 | this.opts.placeholder ||
|
---|
1731 | ((placeholderOption = this.getPlaceholderOption()) !== undefined ? placeholderOption.text() : undefined);
|
---|
1732 | },
|
---|
1733 |
|
---|
1734 | // abstract
|
---|
1735 | getPlaceholderOption: function() {
|
---|
1736 | if (this.select) {
|
---|
1737 | var firstOption = this.select.children('option').first();
|
---|
1738 | if (this.opts.placeholderOption !== undefined ) {
|
---|
1739 | //Determine the placeholder option based on the specified placeholderOption setting
|
---|
1740 | return (this.opts.placeholderOption === "first" && firstOption) ||
|
---|
1741 | (typeof this.opts.placeholderOption === "function" && this.opts.placeholderOption(this.select));
|
---|
1742 | } else if (firstOption.text() === "" && firstOption.val() === "") {
|
---|
1743 | //No explicit placeholder option specified, use the first if it's blank
|
---|
1744 | return firstOption;
|
---|
1745 | }
|
---|
1746 | }
|
---|
1747 | },
|
---|
1748 |
|
---|
1749 | /**
|
---|
1750 | * Get the desired width for the container element. This is
|
---|
1751 | * derived first from option `width` passed to select2, then
|
---|
1752 | * the inline 'style' on the original element, and finally
|
---|
1753 | * falls back to the jQuery calculated element width.
|
---|
1754 | */
|
---|
1755 | // abstract
|
---|
1756 | initContainerWidth: function () {
|
---|
1757 | function resolveContainerWidth() {
|
---|
1758 | var style, attrs, matches, i, l, attr;
|
---|
1759 |
|
---|
1760 | if (this.opts.width === "off") {
|
---|
1761 | return null;
|
---|
1762 | } else if (this.opts.width === "element"){
|
---|
1763 | return this.opts.element.outerWidth(false) === 0 ? 'auto' : this.opts.element.outerWidth(false) + 'px';
|
---|
1764 | } else if (this.opts.width === "copy" || this.opts.width === "resolve") {
|
---|
1765 | // check if there is inline style on the element that contains width
|
---|
1766 | style = this.opts.element.attr('style');
|
---|
1767 | if (style !== undefined) {
|
---|
1768 | attrs = style.split(';');
|
---|
1769 | for (i = 0, l = attrs.length; i < l; i = i + 1) {
|
---|
1770 | attr = attrs[i].replace(/\s/g, '');
|
---|
1771 | matches = attr.match(/^width:(([-+]?([0-9]*\.)?[0-9]+)(px|em|ex|%|in|cm|mm|pt|pc))/i);
|
---|
1772 | if (matches !== null && matches.length >= 1)
|
---|
1773 | return matches[1];
|
---|
1774 | }
|
---|
1775 | }
|
---|
1776 |
|
---|
1777 | if (this.opts.width === "resolve") {
|
---|
1778 | // next check if css('width') can resolve a width that is percent based, this is sometimes possible
|
---|
1779 | // when attached to input type=hidden or elements hidden via css
|
---|
1780 | style = this.opts.element.css('width');
|
---|
1781 | if (style.indexOf("%") > 0) return style;
|
---|
1782 |
|
---|
1783 | // finally, fallback on the calculated width of the element
|
---|
1784 | return (this.opts.element.outerWidth(false) === 0 ? 'auto' : this.opts.element.outerWidth(false) + 'px');
|
---|
1785 | }
|
---|
1786 |
|
---|
1787 | return null;
|
---|
1788 | } else if ($.isFunction(this.opts.width)) {
|
---|
1789 | return this.opts.width();
|
---|
1790 | } else {
|
---|
1791 | return this.opts.width;
|
---|
1792 | }
|
---|
1793 | };
|
---|
1794 |
|
---|
1795 | var width = resolveContainerWidth.call(this);
|
---|
1796 | if (width !== null) {
|
---|
1797 | this.container.css("width", width);
|
---|
1798 | }
|
---|
1799 | }
|
---|
1800 | });
|
---|
1801 |
|
---|
1802 | SingleSelect2 = clazz(AbstractSelect2, {
|
---|
1803 |
|
---|
1804 | // single
|
---|
1805 |
|
---|
1806 | createContainer: function () {
|
---|
1807 | var container = $(document.createElement("div")).attr({
|
---|
1808 | "class": "select2-container"
|
---|
1809 | }).html([
|
---|
1810 | "<a href='javascript:void(0)' onclick='return false;' class='select2-choice' tabindex='-1'>",
|
---|
1811 | " <span class='select2-chosen'> </span><abbr class='select2-search-choice-close'></abbr>",
|
---|
1812 | " <span class='select2-arrow'><b></b></span>",
|
---|
1813 | "</a>",
|
---|
1814 | "<input class='select2-focusser select2-offscreen' type='text'/>",
|
---|
1815 | "<div class='select2-drop select2-display-none'>",
|
---|
1816 | " <div class='select2-search'>",
|
---|
1817 | " <input type='text' autocomplete='off' autocorrect='off' autocapitalize='off' spellcheck='false' class='select2-input'/>",
|
---|
1818 | " </div>",
|
---|
1819 | " <ul class='select2-results'>",
|
---|
1820 | " </ul>",
|
---|
1821 | "</div>"].join(""));
|
---|
1822 | return container;
|
---|
1823 | },
|
---|
1824 |
|
---|
1825 | // single
|
---|
1826 | enableInterface: function() {
|
---|
1827 | if (this.parent.enableInterface.apply(this, arguments)) {
|
---|
1828 | this.focusser.prop("disabled", !this.isInterfaceEnabled());
|
---|
1829 | }
|
---|
1830 | },
|
---|
1831 |
|
---|
1832 | // single
|
---|
1833 | opening: function () {
|
---|
1834 | var el, range, len;
|
---|
1835 |
|
---|
1836 | if (this.opts.minimumResultsForSearch >= 0) {
|
---|
1837 | this.showSearch(true);
|
---|
1838 | }
|
---|
1839 |
|
---|
1840 | this.parent.opening.apply(this, arguments);
|
---|
1841 |
|
---|
1842 | if (this.showSearchInput !== false) {
|
---|
1843 | // IE appends focusser.val() at the end of field :/ so we manually insert it at the beginning using a range
|
---|
1844 | // all other browsers handle this just fine
|
---|
1845 |
|
---|
1846 | this.search.val(this.focusser.val());
|
---|
1847 | }
|
---|
1848 | this.search.focus();
|
---|
1849 | // move the cursor to the end after focussing, otherwise it will be at the beginning and
|
---|
1850 | // new text will appear *before* focusser.val()
|
---|
1851 | el = this.search.get(0);
|
---|
1852 | if (el.createTextRange) {
|
---|
1853 | range = el.createTextRange();
|
---|
1854 | range.collapse(false);
|
---|
1855 | range.select();
|
---|
1856 | } else if (el.setSelectionRange) {
|
---|
1857 | len = this.search.val().length;
|
---|
1858 | el.setSelectionRange(len, len);
|
---|
1859 | }
|
---|
1860 |
|
---|
1861 | // initializes search's value with nextSearchTerm (if defined by user)
|
---|
1862 | // ignore nextSearchTerm if the dropdown is opened by the user pressing a letter
|
---|
1863 | if(this.search.val() === "") {
|
---|
1864 | if(this.nextSearchTerm != undefined){
|
---|
1865 | this.search.val(this.nextSearchTerm);
|
---|
1866 | this.search.select();
|
---|
1867 | }
|
---|
1868 | }
|
---|
1869 |
|
---|
1870 | this.focusser.prop("disabled", true).val("");
|
---|
1871 | this.updateResults(true);
|
---|
1872 | this.opts.element.trigger($.Event("select2-open"));
|
---|
1873 | },
|
---|
1874 |
|
---|
1875 | // single
|
---|
1876 | close: function (params) {
|
---|
1877 | if (!this.opened()) return;
|
---|
1878 | this.parent.close.apply(this, arguments);
|
---|
1879 |
|
---|
1880 | params = params || {focus: true};
|
---|
1881 | this.focusser.removeAttr("disabled");
|
---|
1882 |
|
---|
1883 | if (params.focus) {
|
---|
1884 | this.focusser.focus();
|
---|
1885 | }
|
---|
1886 | },
|
---|
1887 |
|
---|
1888 | // single
|
---|
1889 | focus: function () {
|
---|
1890 | if (this.opened()) {
|
---|
1891 | this.close();
|
---|
1892 | } else {
|
---|
1893 | this.focusser.removeAttr("disabled");
|
---|
1894 | this.focusser.focus();
|
---|
1895 | }
|
---|
1896 | },
|
---|
1897 |
|
---|
1898 | // single
|
---|
1899 | isFocused: function () {
|
---|
1900 | return this.container.hasClass("select2-container-active");
|
---|
1901 | },
|
---|
1902 |
|
---|
1903 | // single
|
---|
1904 | cancel: function () {
|
---|
1905 | this.parent.cancel.apply(this, arguments);
|
---|
1906 | this.focusser.removeAttr("disabled");
|
---|
1907 | this.focusser.focus();
|
---|
1908 | },
|
---|
1909 |
|
---|
1910 | // single
|
---|
1911 | destroy: function() {
|
---|
1912 | $("label[for='" + this.focusser.attr('id') + "']")
|
---|
1913 | .attr('for', this.opts.element.attr("id"));
|
---|
1914 | this.parent.destroy.apply(this, arguments);
|
---|
1915 | },
|
---|
1916 |
|
---|
1917 | // single
|
---|
1918 | initContainer: function () {
|
---|
1919 |
|
---|
1920 | var selection,
|
---|
1921 | container = this.container,
|
---|
1922 | dropdown = this.dropdown;
|
---|
1923 |
|
---|
1924 | if (this.opts.minimumResultsForSearch < 0) {
|
---|
1925 | this.showSearch(false);
|
---|
1926 | } else {
|
---|
1927 | this.showSearch(true);
|
---|
1928 | }
|
---|
1929 |
|
---|
1930 | this.selection = selection = container.find(".select2-choice");
|
---|
1931 |
|
---|
1932 | this.focusser = container.find(".select2-focusser");
|
---|
1933 |
|
---|
1934 | // rewrite labels from original element to focusser
|
---|
1935 | this.focusser.attr("id", "s2id_autogen"+nextUid());
|
---|
1936 |
|
---|
1937 | $("label[for='" + this.opts.element.attr("id") + "']")
|
---|
1938 | .attr('for', this.focusser.attr('id'));
|
---|
1939 |
|
---|
1940 | this.focusser.attr("tabindex", this.elementTabIndex);
|
---|
1941 |
|
---|
1942 | this.search.on("keydown", this.bind(function (e) {
|
---|
1943 | if (!this.isInterfaceEnabled()) return;
|
---|
1944 |
|
---|
1945 | if (e.which === KEY.PAGE_UP || e.which === KEY.PAGE_DOWN) {
|
---|
1946 | // prevent the page from scrolling
|
---|
1947 | killEvent(e);
|
---|
1948 | return;
|
---|
1949 | }
|
---|
1950 |
|
---|
1951 | switch (e.which) {
|
---|
1952 | case KEY.UP:
|
---|
1953 | case KEY.DOWN:
|
---|
1954 | this.moveHighlight((e.which === KEY.UP) ? -1 : 1);
|
---|
1955 | killEvent(e);
|
---|
1956 | return;
|
---|
1957 | case KEY.ENTER:
|
---|
1958 | this.selectHighlighted();
|
---|
1959 | killEvent(e);
|
---|
1960 | return;
|
---|
1961 | case KEY.TAB:
|
---|
1962 | this.selectHighlighted({noFocus: true});
|
---|
1963 | return;
|
---|
1964 | case KEY.ESC:
|
---|
1965 | this.cancel(e);
|
---|
1966 | killEvent(e);
|
---|
1967 | return;
|
---|
1968 | }
|
---|
1969 | }));
|
---|
1970 |
|
---|
1971 | this.search.on("blur", this.bind(function(e) {
|
---|
1972 | // a workaround for chrome to keep the search field focussed when the scroll bar is used to scroll the dropdown.
|
---|
1973 | // without this the search field loses focus which is annoying
|
---|
1974 | if (document.activeElement === this.body().get(0)) {
|
---|
1975 | window.setTimeout(this.bind(function() {
|
---|
1976 | this.search.focus();
|
---|
1977 | }), 0);
|
---|
1978 | }
|
---|
1979 | }));
|
---|
1980 |
|
---|
1981 | this.focusser.on("keydown", this.bind(function (e) {
|
---|
1982 | if (!this.isInterfaceEnabled()) return;
|
---|
1983 |
|
---|
1984 | if (e.which === KEY.TAB || KEY.isControl(e) || KEY.isFunctionKey(e) || e.which === KEY.ESC) {
|
---|
1985 | return;
|
---|
1986 | }
|
---|
1987 |
|
---|
1988 | if (this.opts.openOnEnter === false && e.which === KEY.ENTER) {
|
---|
1989 | killEvent(e);
|
---|
1990 | return;
|
---|
1991 | }
|
---|
1992 |
|
---|
1993 | if (e.which == KEY.DOWN || e.which == KEY.UP
|
---|
1994 | || (e.which == KEY.ENTER && this.opts.openOnEnter)) {
|
---|
1995 |
|
---|
1996 | if (e.altKey || e.ctrlKey || e.shiftKey || e.metaKey) return;
|
---|
1997 |
|
---|
1998 | this.open();
|
---|
1999 | killEvent(e);
|
---|
2000 | return;
|
---|
2001 | }
|
---|
2002 |
|
---|
2003 | if (e.which == KEY.DELETE || e.which == KEY.BACKSPACE) {
|
---|
2004 | if (this.opts.allowClear) {
|
---|
2005 | this.clear();
|
---|
2006 | }
|
---|
2007 | killEvent(e);
|
---|
2008 | return;
|
---|
2009 | }
|
---|
2010 | }));
|
---|
2011 |
|
---|
2012 |
|
---|
2013 | installKeyUpChangeEvent(this.focusser);
|
---|
2014 | this.focusser.on("keyup-change input", this.bind(function(e) {
|
---|
2015 | if (this.opts.minimumResultsForSearch >= 0) {
|
---|
2016 | e.stopPropagation();
|
---|
2017 | if (this.opened()) return;
|
---|
2018 | this.open();
|
---|
2019 | }
|
---|
2020 | }));
|
---|
2021 |
|
---|
2022 | selection.on("mousedown", "abbr", this.bind(function (e) {
|
---|
2023 | if (!this.isInterfaceEnabled()) return;
|
---|
2024 | this.clear();
|
---|
2025 | killEventImmediately(e);
|
---|
2026 | this.close();
|
---|
2027 | this.selection.focus();
|
---|
2028 | }));
|
---|
2029 |
|
---|
2030 | selection.on("mousedown", this.bind(function (e) {
|
---|
2031 |
|
---|
2032 | if (!this.container.hasClass("select2-container-active")) {
|
---|
2033 | this.opts.element.trigger($.Event("select2-focus"));
|
---|
2034 | }
|
---|
2035 |
|
---|
2036 | if (this.opened()) {
|
---|
2037 | this.close();
|
---|
2038 | } else if (this.isInterfaceEnabled()) {
|
---|
2039 | this.open();
|
---|
2040 | }
|
---|
2041 |
|
---|
2042 | killEvent(e);
|
---|
2043 | }));
|
---|
2044 |
|
---|
2045 | dropdown.on("mousedown", this.bind(function() { this.search.focus(); }));
|
---|
2046 |
|
---|
2047 | selection.on("focus", this.bind(function(e) {
|
---|
2048 | killEvent(e);
|
---|
2049 | }));
|
---|
2050 |
|
---|
2051 | this.focusser.on("focus", this.bind(function(){
|
---|
2052 | if (!this.container.hasClass("select2-container-active")) {
|
---|
2053 | this.opts.element.trigger($.Event("select2-focus"));
|
---|
2054 | }
|
---|
2055 | this.container.addClass("select2-container-active");
|
---|
2056 | })).on("blur", this.bind(function() {
|
---|
2057 | if (!this.opened()) {
|
---|
2058 | this.container.removeClass("select2-container-active");
|
---|
2059 | this.opts.element.trigger($.Event("select2-blur"));
|
---|
2060 | }
|
---|
2061 | }));
|
---|
2062 | this.search.on("focus", this.bind(function(){
|
---|
2063 | if (!this.container.hasClass("select2-container-active")) {
|
---|
2064 | this.opts.element.trigger($.Event("select2-focus"));
|
---|
2065 | }
|
---|
2066 | this.container.addClass("select2-container-active");
|
---|
2067 | }));
|
---|
2068 |
|
---|
2069 | this.initContainerWidth();
|
---|
2070 | this.opts.element.addClass("select2-offscreen");
|
---|
2071 | this.setPlaceholder();
|
---|
2072 |
|
---|
2073 | },
|
---|
2074 |
|
---|
2075 | // single
|
---|
2076 | clear: function(triggerChange) {
|
---|
2077 | var data=this.selection.data("select2-data");
|
---|
2078 | if (data) { // guard against queued quick consecutive clicks
|
---|
2079 | var evt = $.Event("select2-clearing");
|
---|
2080 | this.opts.element.trigger(evt);
|
---|
2081 | if (evt.isDefaultPrevented()) {
|
---|
2082 | return;
|
---|
2083 | }
|
---|
2084 | var placeholderOption = this.getPlaceholderOption();
|
---|
2085 | this.opts.element.val(placeholderOption ? placeholderOption.val() : "");
|
---|
2086 | this.selection.find(".select2-chosen").empty();
|
---|
2087 | this.selection.removeData("select2-data");
|
---|
2088 | this.setPlaceholder();
|
---|
2089 |
|
---|
2090 | if (triggerChange !== false){
|
---|
2091 | this.opts.element.trigger({ type: "select2-removed", val: this.id(data), choice: data });
|
---|
2092 | this.triggerChange({removed:data});
|
---|
2093 | }
|
---|
2094 | }
|
---|
2095 | },
|
---|
2096 |
|
---|
2097 | /**
|
---|
2098 | * Sets selection based on source element's value
|
---|
2099 | */
|
---|
2100 | // single
|
---|
2101 | initSelection: function () {
|
---|
2102 | var selected;
|
---|
2103 | if (this.isPlaceholderOptionSelected()) {
|
---|
2104 | this.updateSelection(null);
|
---|
2105 | this.close();
|
---|
2106 | this.setPlaceholder();
|
---|
2107 | } else {
|
---|
2108 | var self = this;
|
---|
2109 | this.opts.initSelection.call(null, this.opts.element, function(selected){
|
---|
2110 | if (selected !== undefined && selected !== null) {
|
---|
2111 | self.updateSelection(selected);
|
---|
2112 | self.close();
|
---|
2113 | self.setPlaceholder();
|
---|
2114 | }
|
---|
2115 | });
|
---|
2116 | }
|
---|
2117 | },
|
---|
2118 |
|
---|
2119 | isPlaceholderOptionSelected: function() {
|
---|
2120 | var placeholderOption;
|
---|
2121 | if (!this.getPlaceholder()) return false; // no placeholder specified so no option should be considered
|
---|
2122 | return ((placeholderOption = this.getPlaceholderOption()) !== undefined && placeholderOption.prop("selected"))
|
---|
2123 | || (this.opts.element.val() === "")
|
---|
2124 | || (this.opts.element.val() === undefined)
|
---|
2125 | || (this.opts.element.val() === null);
|
---|
2126 | },
|
---|
2127 |
|
---|
2128 | // single
|
---|
2129 | prepareOpts: function () {
|
---|
2130 | var opts = this.parent.prepareOpts.apply(this, arguments),
|
---|
2131 | self=this;
|
---|
2132 |
|
---|
2133 | if (opts.element.get(0).tagName.toLowerCase() === "select") {
|
---|
2134 | // install the selection initializer
|
---|
2135 | opts.initSelection = function (element, callback) {
|
---|
2136 | var selected = element.find("option").filter(function() { return this.selected });
|
---|
2137 | // a single select box always has a value, no need to null check 'selected'
|
---|
2138 | callback(self.optionToData(selected));
|
---|
2139 | };
|
---|
2140 | } else if ("data" in opts) {
|
---|
2141 | // install default initSelection when applied to hidden input and data is local
|
---|
2142 | opts.initSelection = opts.initSelection || function (element, callback) {
|
---|
2143 | var id = element.val();
|
---|
2144 | //search in data by id, storing the actual matching item
|
---|
2145 | var match = null;
|
---|
2146 | opts.query({
|
---|
2147 | matcher: function(term, text, el){
|
---|
2148 | var is_match = equal(id, opts.id(el));
|
---|
2149 | if (is_match) {
|
---|
2150 | match = el;
|
---|
2151 | }
|
---|
2152 | return is_match;
|
---|
2153 | },
|
---|
2154 | callback: !$.isFunction(callback) ? $.noop : function() {
|
---|
2155 | callback(match);
|
---|
2156 | }
|
---|
2157 | });
|
---|
2158 | };
|
---|
2159 | }
|
---|
2160 |
|
---|
2161 | return opts;
|
---|
2162 | },
|
---|
2163 |
|
---|
2164 | // single
|
---|
2165 | getPlaceholder: function() {
|
---|
2166 | // if a placeholder is specified on a single select without a valid placeholder option ignore it
|
---|
2167 | if (this.select) {
|
---|
2168 | if (this.getPlaceholderOption() === undefined) {
|
---|
2169 | return undefined;
|
---|
2170 | }
|
---|
2171 | }
|
---|
2172 |
|
---|
2173 | return this.parent.getPlaceholder.apply(this, arguments);
|
---|
2174 | },
|
---|
2175 |
|
---|
2176 | // single
|
---|
2177 | setPlaceholder: function () {
|
---|
2178 | var placeholder = this.getPlaceholder();
|
---|
2179 |
|
---|
2180 | if (this.isPlaceholderOptionSelected() && placeholder !== undefined) {
|
---|
2181 |
|
---|
2182 | // check for a placeholder option if attached to a select
|
---|
2183 | if (this.select && this.getPlaceholderOption() === undefined) return;
|
---|
2184 |
|
---|
2185 | this.selection.find(".select2-chosen").html(this.opts.escapeMarkup(placeholder));
|
---|
2186 |
|
---|
2187 | this.selection.addClass("select2-default");
|
---|
2188 |
|
---|
2189 | this.container.removeClass("select2-allowclear");
|
---|
2190 | }
|
---|
2191 | },
|
---|
2192 |
|
---|
2193 | // single
|
---|
2194 | postprocessResults: function (data, initial, noHighlightUpdate) {
|
---|
2195 | var selected = 0, self = this, showSearchInput = true;
|
---|
2196 |
|
---|
2197 | // find the selected element in the result list
|
---|
2198 |
|
---|
2199 | this.findHighlightableChoices().each2(function (i, elm) {
|
---|
2200 | if (equal(self.id(elm.data("select2-data")), self.opts.element.val())) {
|
---|
2201 | selected = i;
|
---|
2202 | return false;
|
---|
2203 | }
|
---|
2204 | });
|
---|
2205 |
|
---|
2206 | // and highlight it
|
---|
2207 | if (noHighlightUpdate !== false) {
|
---|
2208 | if (initial === true && selected >= 0) {
|
---|
2209 | this.highlight(selected);
|
---|
2210 | } else {
|
---|
2211 | this.highlight(0);
|
---|
2212 | }
|
---|
2213 | }
|
---|
2214 |
|
---|
2215 | // hide the search box if this is the first we got the results and there are enough of them for search
|
---|
2216 |
|
---|
2217 | if (initial === true) {
|
---|
2218 | var min = this.opts.minimumResultsForSearch;
|
---|
2219 | if (min >= 0) {
|
---|
2220 | this.showSearch(countResults(data.results) >= min);
|
---|
2221 | }
|
---|
2222 | }
|
---|
2223 | },
|
---|
2224 |
|
---|
2225 | // single
|
---|
2226 | showSearch: function(showSearchInput) {
|
---|
2227 | if (this.showSearchInput === showSearchInput) return;
|
---|
2228 |
|
---|
2229 | this.showSearchInput = showSearchInput;
|
---|
2230 |
|
---|
2231 | this.dropdown.find(".select2-search").toggleClass("select2-search-hidden", !showSearchInput);
|
---|
2232 | this.dropdown.find(".select2-search").toggleClass("select2-offscreen", !showSearchInput);
|
---|
2233 | //add "select2-with-searchbox" to the container if search box is shown
|
---|
2234 | $(this.dropdown, this.container).toggleClass("select2-with-searchbox", showSearchInput);
|
---|
2235 | },
|
---|
2236 |
|
---|
2237 | // single
|
---|
2238 | onSelect: function (data, options) {
|
---|
2239 |
|
---|
2240 | if (!this.triggerSelect(data)) { return; }
|
---|
2241 |
|
---|
2242 | var old = this.opts.element.val(),
|
---|
2243 | oldData = this.data();
|
---|
2244 |
|
---|
2245 | this.opts.element.val(this.id(data));
|
---|
2246 | this.updateSelection(data);
|
---|
2247 |
|
---|
2248 | this.opts.element.trigger({ type: "select2-selected", val: this.id(data), choice: data });
|
---|
2249 |
|
---|
2250 | this.nextSearchTerm = this.opts.nextSearchTerm(data, this.search.val());
|
---|
2251 | this.close();
|
---|
2252 |
|
---|
2253 | if (!options || !options.noFocus)
|
---|
2254 | this.focusser.focus();
|
---|
2255 |
|
---|
2256 | if (!equal(old, this.id(data))) { this.triggerChange({added:data,removed:oldData}); }
|
---|
2257 | },
|
---|
2258 |
|
---|
2259 | // single
|
---|
2260 | updateSelection: function (data) {
|
---|
2261 |
|
---|
2262 | var container=this.selection.find(".select2-chosen"), formatted, cssClass;
|
---|
2263 |
|
---|
2264 | this.selection.data("select2-data", data);
|
---|
2265 |
|
---|
2266 | container.empty();
|
---|
2267 | if (data !== null) {
|
---|
2268 | formatted=this.opts.formatSelection(data, container, this.opts.escapeMarkup);
|
---|
2269 | }
|
---|
2270 | if (formatted !== undefined) {
|
---|
2271 | container.append(formatted);
|
---|
2272 | }
|
---|
2273 | cssClass=this.opts.formatSelectionCssClass(data, container);
|
---|
2274 | if (cssClass !== undefined) {
|
---|
2275 | container.addClass(cssClass);
|
---|
2276 | }
|
---|
2277 |
|
---|
2278 | this.selection.removeClass("select2-default");
|
---|
2279 |
|
---|
2280 | if (this.opts.allowClear && this.getPlaceholder() !== undefined) {
|
---|
2281 | this.container.addClass("select2-allowclear");
|
---|
2282 | }
|
---|
2283 | },
|
---|
2284 |
|
---|
2285 | // single
|
---|
2286 | val: function () {
|
---|
2287 | var val,
|
---|
2288 | triggerChange = false,
|
---|
2289 | data = null,
|
---|
2290 | self = this,
|
---|
2291 | oldData = this.data();
|
---|
2292 |
|
---|
2293 | if (arguments.length === 0) {
|
---|
2294 | return this.opts.element.val();
|
---|
2295 | }
|
---|
2296 |
|
---|
2297 | val = arguments[0];
|
---|
2298 |
|
---|
2299 | if (arguments.length > 1) {
|
---|
2300 | triggerChange = arguments[1];
|
---|
2301 | }
|
---|
2302 |
|
---|
2303 | if (this.select) {
|
---|
2304 | this.select
|
---|
2305 | .val(val)
|
---|
2306 | .find("option").filter(function() { return this.selected }).each2(function (i, elm) {
|
---|
2307 | data = self.optionToData(elm);
|
---|
2308 | return false;
|
---|
2309 | });
|
---|
2310 | this.updateSelection(data);
|
---|
2311 | this.setPlaceholder();
|
---|
2312 | if (triggerChange) {
|
---|
2313 | this.triggerChange({added: data, removed:oldData});
|
---|
2314 | }
|
---|
2315 | } else {
|
---|
2316 | // val is an id. !val is true for [undefined,null,'',0] - 0 is legal
|
---|
2317 | if (!val && val !== 0) {
|
---|
2318 | this.clear(triggerChange);
|
---|
2319 | return;
|
---|
2320 | }
|
---|
2321 | if (this.opts.initSelection === undefined) {
|
---|
2322 | throw new Error("cannot call val() if initSelection() is not defined");
|
---|
2323 | }
|
---|
2324 | this.opts.element.val(val);
|
---|
2325 | this.opts.initSelection(this.opts.element, function(data){
|
---|
2326 | self.opts.element.val(!data ? "" : self.id(data));
|
---|
2327 | self.updateSelection(data);
|
---|
2328 | self.setPlaceholder();
|
---|
2329 | if (triggerChange) {
|
---|
2330 | self.triggerChange({added: data, removed:oldData});
|
---|
2331 | }
|
---|
2332 | });
|
---|
2333 | }
|
---|
2334 | },
|
---|
2335 |
|
---|
2336 | // single
|
---|
2337 | clearSearch: function () {
|
---|
2338 | this.search.val("");
|
---|
2339 | this.focusser.val("");
|
---|
2340 | },
|
---|
2341 |
|
---|
2342 | // single
|
---|
2343 | data: function(value) {
|
---|
2344 | var data,
|
---|
2345 | triggerChange = false;
|
---|
2346 |
|
---|
2347 | if (arguments.length === 0) {
|
---|
2348 | data = this.selection.data("select2-data");
|
---|
2349 | if (data == undefined) data = null;
|
---|
2350 | return data;
|
---|
2351 | } else {
|
---|
2352 | if (arguments.length > 1) {
|
---|
2353 | triggerChange = arguments[1];
|
---|
2354 | }
|
---|
2355 | if (!value) {
|
---|
2356 | this.clear(triggerChange);
|
---|
2357 | } else {
|
---|
2358 | data = this.data();
|
---|
2359 | this.opts.element.val(!value ? "" : this.id(value));
|
---|
2360 | this.updateSelection(value);
|
---|
2361 | if (triggerChange) {
|
---|
2362 | this.triggerChange({added: value, removed:data});
|
---|
2363 | }
|
---|
2364 | }
|
---|
2365 | }
|
---|
2366 | }
|
---|
2367 | });
|
---|
2368 |
|
---|
2369 | MultiSelect2 = clazz(AbstractSelect2, {
|
---|
2370 |
|
---|
2371 | // multi
|
---|
2372 | createContainer: function () {
|
---|
2373 | var container = $(document.createElement("div")).attr({
|
---|
2374 | "class": "select2-container select2-container-multi"
|
---|
2375 | }).html([
|
---|
2376 | "<ul class='select2-choices'>",
|
---|
2377 | " <li class='select2-search-field'>",
|
---|
2378 | " <input type='text' autocomplete='off' autocorrect='off' autocapitalize='off' spellcheck='false' class='select2-input'>",
|
---|
2379 | " </li>",
|
---|
2380 | "</ul>",
|
---|
2381 | "<div class='select2-drop select2-drop-multi select2-display-none'>",
|
---|
2382 | " <ul class='select2-results'>",
|
---|
2383 | " </ul>",
|
---|
2384 | "</div>"].join(""));
|
---|
2385 | return container;
|
---|
2386 | },
|
---|
2387 |
|
---|
2388 | // multi
|
---|
2389 | prepareOpts: function () {
|
---|
2390 | var opts = this.parent.prepareOpts.apply(this, arguments),
|
---|
2391 | self=this;
|
---|
2392 |
|
---|
2393 | // TODO validate placeholder is a string if specified
|
---|
2394 |
|
---|
2395 | if (opts.element.get(0).tagName.toLowerCase() === "select") {
|
---|
2396 | // install sthe selection initializer
|
---|
2397 | opts.initSelection = function (element, callback) {
|
---|
2398 |
|
---|
2399 | var data = [];
|
---|
2400 |
|
---|
2401 | element.find("option").filter(function() { return this.selected }).each2(function (i, elm) {
|
---|
2402 | data.push(self.optionToData(elm));
|
---|
2403 | });
|
---|
2404 | callback(data);
|
---|
2405 | };
|
---|
2406 | } else if ("data" in opts) {
|
---|
2407 | // install default initSelection when applied to hidden input and data is local
|
---|
2408 | opts.initSelection = opts.initSelection || function (element, callback) {
|
---|
2409 | var ids = splitVal(element.val(), opts.separator);
|
---|
2410 | //search in data by array of ids, storing matching items in a list
|
---|
2411 | var matches = [];
|
---|
2412 | opts.query({
|
---|
2413 | matcher: function(term, text, el){
|
---|
2414 | var is_match = $.grep(ids, function(id) {
|
---|
2415 | return equal(id, opts.id(el));
|
---|
2416 | }).length;
|
---|
2417 | if (is_match) {
|
---|
2418 | matches.push(el);
|
---|
2419 | }
|
---|
2420 | return is_match;
|
---|
2421 | },
|
---|
2422 | callback: !$.isFunction(callback) ? $.noop : function() {
|
---|
2423 | // reorder matches based on the order they appear in the ids array because right now
|
---|
2424 | // they are in the order in which they appear in data array
|
---|
2425 | var ordered = [];
|
---|
2426 | for (var i = 0; i < ids.length; i++) {
|
---|
2427 | var id = ids[i];
|
---|
2428 | for (var j = 0; j < matches.length; j++) {
|
---|
2429 | var match = matches[j];
|
---|
2430 | if (equal(id, opts.id(match))) {
|
---|
2431 | ordered.push(match);
|
---|
2432 | matches.splice(j, 1);
|
---|
2433 | break;
|
---|
2434 | }
|
---|
2435 | }
|
---|
2436 | }
|
---|
2437 | callback(ordered);
|
---|
2438 | }
|
---|
2439 | });
|
---|
2440 | };
|
---|
2441 | }
|
---|
2442 |
|
---|
2443 | return opts;
|
---|
2444 | },
|
---|
2445 |
|
---|
2446 | // multi
|
---|
2447 | selectChoice: function (choice) {
|
---|
2448 |
|
---|
2449 | var selected = this.container.find(".select2-search-choice-focus");
|
---|
2450 | if (selected.length && choice && choice[0] == selected[0]) {
|
---|
2451 |
|
---|
2452 | } else {
|
---|
2453 | if (selected.length) {
|
---|
2454 | this.opts.element.trigger("choice-deselected", selected);
|
---|
2455 | }
|
---|
2456 | selected.removeClass("select2-search-choice-focus");
|
---|
2457 | if (choice && choice.length) {
|
---|
2458 | this.close();
|
---|
2459 | choice.addClass("select2-search-choice-focus");
|
---|
2460 | this.opts.element.trigger("choice-selected", choice);
|
---|
2461 | }
|
---|
2462 | }
|
---|
2463 | },
|
---|
2464 |
|
---|
2465 | // multi
|
---|
2466 | destroy: function() {
|
---|
2467 | $("label[for='" + this.search.attr('id') + "']")
|
---|
2468 | .attr('for', this.opts.element.attr("id"));
|
---|
2469 | this.parent.destroy.apply(this, arguments);
|
---|
2470 | },
|
---|
2471 |
|
---|
2472 | // multi
|
---|
2473 | initContainer: function () {
|
---|
2474 |
|
---|
2475 | var selector = ".select2-choices", selection;
|
---|
2476 |
|
---|
2477 | this.searchContainer = this.container.find(".select2-search-field");
|
---|
2478 | this.selection = selection = this.container.find(selector);
|
---|
2479 |
|
---|
2480 | var _this = this;
|
---|
2481 | this.selection.on("click", ".select2-search-choice:not(.select2-locked)", function (e) {
|
---|
2482 | //killEvent(e);
|
---|
2483 | _this.search[0].focus();
|
---|
2484 | _this.selectChoice($(this));
|
---|
2485 | });
|
---|
2486 |
|
---|
2487 | // rewrite labels from original element to focusser
|
---|
2488 | this.search.attr("id", "s2id_autogen"+nextUid());
|
---|
2489 | $("label[for='" + this.opts.element.attr("id") + "']")
|
---|
2490 | .attr('for', this.search.attr('id'));
|
---|
2491 |
|
---|
2492 | this.search.on("input paste", this.bind(function() {
|
---|
2493 | if (!this.isInterfaceEnabled()) return;
|
---|
2494 | if (!this.opened()) {
|
---|
2495 | this.open();
|
---|
2496 | }
|
---|
2497 | }));
|
---|
2498 |
|
---|
2499 | this.search.attr("tabindex", this.elementTabIndex);
|
---|
2500 |
|
---|
2501 | this.keydowns = 0;
|
---|
2502 | this.search.on("keydown", this.bind(function (e) {
|
---|
2503 | if (!this.isInterfaceEnabled()) return;
|
---|
2504 |
|
---|
2505 | ++this.keydowns;
|
---|
2506 | var selected = selection.find(".select2-search-choice-focus");
|
---|
2507 | var prev = selected.prev(".select2-search-choice:not(.select2-locked)");
|
---|
2508 | var next = selected.next(".select2-search-choice:not(.select2-locked)");
|
---|
2509 | var pos = getCursorInfo(this.search);
|
---|
2510 |
|
---|
2511 | if (selected.length &&
|
---|
2512 | (e.which == KEY.LEFT || e.which == KEY.RIGHT || e.which == KEY.BACKSPACE || e.which == KEY.DELETE || e.which == KEY.ENTER)) {
|
---|
2513 | var selectedChoice = selected;
|
---|
2514 | if (e.which == KEY.LEFT && prev.length) {
|
---|
2515 | selectedChoice = prev;
|
---|
2516 | }
|
---|
2517 | else if (e.which == KEY.RIGHT) {
|
---|
2518 | selectedChoice = next.length ? next : null;
|
---|
2519 | }
|
---|
2520 | else if (e.which === KEY.BACKSPACE) {
|
---|
2521 | this.unselect(selected.first());
|
---|
2522 | this.search.width(10);
|
---|
2523 | selectedChoice = prev.length ? prev : next;
|
---|
2524 | } else if (e.which == KEY.DELETE) {
|
---|
2525 | this.unselect(selected.first());
|
---|
2526 | this.search.width(10);
|
---|
2527 | selectedChoice = next.length ? next : null;
|
---|
2528 | } else if (e.which == KEY.ENTER) {
|
---|
2529 | selectedChoice = null;
|
---|
2530 | }
|
---|
2531 |
|
---|
2532 | this.selectChoice(selectedChoice);
|
---|
2533 | killEvent(e);
|
---|
2534 | if (!selectedChoice || !selectedChoice.length) {
|
---|
2535 | this.open();
|
---|
2536 | }
|
---|
2537 | return;
|
---|
2538 | } else if (((e.which === KEY.BACKSPACE && this.keydowns == 1)
|
---|
2539 | || e.which == KEY.LEFT) && (pos.offset == 0 && !pos.length)) {
|
---|
2540 |
|
---|
2541 | this.selectChoice(selection.find(".select2-search-choice:not(.select2-locked)").last());
|
---|
2542 | killEvent(e);
|
---|
2543 | return;
|
---|
2544 | } else {
|
---|
2545 | this.selectChoice(null);
|
---|
2546 | }
|
---|
2547 |
|
---|
2548 | if (this.opened()) {
|
---|
2549 | switch (e.which) {
|
---|
2550 | case KEY.UP:
|
---|
2551 | case KEY.DOWN:
|
---|
2552 | this.moveHighlight((e.which === KEY.UP) ? -1 : 1);
|
---|
2553 | killEvent(e);
|
---|
2554 | return;
|
---|
2555 | case KEY.ENTER:
|
---|
2556 | this.selectHighlighted();
|
---|
2557 | killEvent(e);
|
---|
2558 | return;
|
---|
2559 | case KEY.TAB:
|
---|
2560 | this.selectHighlighted({noFocus:true});
|
---|
2561 | this.close();
|
---|
2562 | return;
|
---|
2563 | case KEY.ESC:
|
---|
2564 | this.cancel(e);
|
---|
2565 | killEvent(e);
|
---|
2566 | return;
|
---|
2567 | }
|
---|
2568 | }
|
---|
2569 |
|
---|
2570 | if (e.which === KEY.TAB || KEY.isControl(e) || KEY.isFunctionKey(e)
|
---|
2571 | || e.which === KEY.BACKSPACE || e.which === KEY.ESC) {
|
---|
2572 | return;
|
---|
2573 | }
|
---|
2574 |
|
---|
2575 | if (e.which === KEY.ENTER) {
|
---|
2576 | if (this.opts.openOnEnter === false) {
|
---|
2577 | return;
|
---|
2578 | } else if (e.altKey || e.ctrlKey || e.shiftKey || e.metaKey) {
|
---|
2579 | return;
|
---|
2580 | }
|
---|
2581 | }
|
---|
2582 |
|
---|
2583 | this.open();
|
---|
2584 |
|
---|
2585 | if (e.which === KEY.PAGE_UP || e.which === KEY.PAGE_DOWN) {
|
---|
2586 | // prevent the page from scrolling
|
---|
2587 | killEvent(e);
|
---|
2588 | }
|
---|
2589 |
|
---|
2590 | if (e.which === KEY.ENTER) {
|
---|
2591 | // prevent form from being submitted
|
---|
2592 | killEvent(e);
|
---|
2593 | }
|
---|
2594 |
|
---|
2595 | }));
|
---|
2596 |
|
---|
2597 | this.search.on("keyup", this.bind(function (e) {
|
---|
2598 | this.keydowns = 0;
|
---|
2599 | this.resizeSearch();
|
---|
2600 | })
|
---|
2601 | );
|
---|
2602 |
|
---|
2603 | this.search.on("blur", this.bind(function(e) {
|
---|
2604 | this.container.removeClass("select2-container-active");
|
---|
2605 | this.search.removeClass("select2-focused");
|
---|
2606 | this.selectChoice(null);
|
---|
2607 | if (!this.opened()) this.clearSearch();
|
---|
2608 | e.stopImmediatePropagation();
|
---|
2609 | this.opts.element.trigger($.Event("select2-blur"));
|
---|
2610 | }));
|
---|
2611 |
|
---|
2612 | this.container.on("click", selector, this.bind(function (e) {
|
---|
2613 | if (!this.isInterfaceEnabled()) return;
|
---|
2614 | if ($(e.target).closest(".select2-search-choice").length > 0) {
|
---|
2615 | // clicked inside a select2 search choice, do not open
|
---|
2616 | return;
|
---|
2617 | }
|
---|
2618 | this.selectChoice(null);
|
---|
2619 | this.clearPlaceholder();
|
---|
2620 | if (!this.container.hasClass("select2-container-active")) {
|
---|
2621 | this.opts.element.trigger($.Event("select2-focus"));
|
---|
2622 | }
|
---|
2623 | this.open();
|
---|
2624 | this.focusSearch();
|
---|
2625 | e.preventDefault();
|
---|
2626 | }));
|
---|
2627 |
|
---|
2628 | this.container.on("focus", selector, this.bind(function () {
|
---|
2629 | if (!this.isInterfaceEnabled()) return;
|
---|
2630 | if (!this.container.hasClass("select2-container-active")) {
|
---|
2631 | this.opts.element.trigger($.Event("select2-focus"));
|
---|
2632 | }
|
---|
2633 | this.container.addClass("select2-container-active");
|
---|
2634 | this.dropdown.addClass("select2-drop-active");
|
---|
2635 | this.clearPlaceholder();
|
---|
2636 | }));
|
---|
2637 |
|
---|
2638 | this.initContainerWidth();
|
---|
2639 | this.opts.element.addClass("select2-offscreen");
|
---|
2640 |
|
---|
2641 | // set the placeholder if necessary
|
---|
2642 | this.clearSearch();
|
---|
2643 | },
|
---|
2644 |
|
---|
2645 | // multi
|
---|
2646 | enableInterface: function() {
|
---|
2647 | if (this.parent.enableInterface.apply(this, arguments)) {
|
---|
2648 | this.search.prop("disabled", !this.isInterfaceEnabled());
|
---|
2649 | }
|
---|
2650 | },
|
---|
2651 |
|
---|
2652 | // multi
|
---|
2653 | initSelection: function () {
|
---|
2654 | var data;
|
---|
2655 | if (this.opts.element.val() === "" && this.opts.element.text() === "") {
|
---|
2656 | this.updateSelection([]);
|
---|
2657 | this.close();
|
---|
2658 | // set the placeholder if necessary
|
---|
2659 | this.clearSearch();
|
---|
2660 | }
|
---|
2661 | if (this.select || this.opts.element.val() !== "") {
|
---|
2662 | var self = this;
|
---|
2663 | this.opts.initSelection.call(null, this.opts.element, function(data){
|
---|
2664 | if (data !== undefined && data !== null) {
|
---|
2665 | self.updateSelection(data);
|
---|
2666 | self.close();
|
---|
2667 | // set the placeholder if necessary
|
---|
2668 | self.clearSearch();
|
---|
2669 | }
|
---|
2670 | });
|
---|
2671 | }
|
---|
2672 | },
|
---|
2673 |
|
---|
2674 | // multi
|
---|
2675 | clearSearch: function () {
|
---|
2676 | var placeholder = this.getPlaceholder(),
|
---|
2677 | maxWidth = this.getMaxSearchWidth();
|
---|
2678 |
|
---|
2679 | if (placeholder !== undefined && this.getVal().length === 0 && this.search.hasClass("select2-focused") === false) {
|
---|
2680 | this.search.val(placeholder).addClass("select2-default");
|
---|
2681 | // stretch the search box to full width of the container so as much of the placeholder is visible as possible
|
---|
2682 | // we could call this.resizeSearch(), but we do not because that requires a sizer and we do not want to create one so early because of a firefox bug, see #944
|
---|
2683 | this.search.width(maxWidth > 0 ? maxWidth : this.container.css("width"));
|
---|
2684 | } else {
|
---|
2685 | this.search.val("").width(10);
|
---|
2686 | }
|
---|
2687 | },
|
---|
2688 |
|
---|
2689 | // multi
|
---|
2690 | clearPlaceholder: function () {
|
---|
2691 | if (this.search.hasClass("select2-default")) {
|
---|
2692 | this.search.val("").removeClass("select2-default");
|
---|
2693 | }
|
---|
2694 | },
|
---|
2695 |
|
---|
2696 | // multi
|
---|
2697 | opening: function () {
|
---|
2698 | this.clearPlaceholder(); // should be done before super so placeholder is not used to search
|
---|
2699 | this.resizeSearch();
|
---|
2700 |
|
---|
2701 | this.parent.opening.apply(this, arguments);
|
---|
2702 |
|
---|
2703 | this.focusSearch();
|
---|
2704 |
|
---|
2705 | this.updateResults(true);
|
---|
2706 | this.search.focus();
|
---|
2707 | this.opts.element.trigger($.Event("select2-open"));
|
---|
2708 | },
|
---|
2709 |
|
---|
2710 | // multi
|
---|
2711 | close: function () {
|
---|
2712 | if (!this.opened()) return;
|
---|
2713 | this.parent.close.apply(this, arguments);
|
---|
2714 | },
|
---|
2715 |
|
---|
2716 | // multi
|
---|
2717 | focus: function () {
|
---|
2718 | this.close();
|
---|
2719 | this.search.focus();
|
---|
2720 | },
|
---|
2721 |
|
---|
2722 | // multi
|
---|
2723 | isFocused: function () {
|
---|
2724 | return this.search.hasClass("select2-focused");
|
---|
2725 | },
|
---|
2726 |
|
---|
2727 | // multi
|
---|
2728 | updateSelection: function (data) {
|
---|
2729 | var ids = [], filtered = [], self = this;
|
---|
2730 |
|
---|
2731 | // filter out duplicates
|
---|
2732 | $(data).each(function () {
|
---|
2733 | if (indexOf(self.id(this), ids) < 0) {
|
---|
2734 | ids.push(self.id(this));
|
---|
2735 | filtered.push(this);
|
---|
2736 | }
|
---|
2737 | });
|
---|
2738 | data = filtered;
|
---|
2739 |
|
---|
2740 | this.selection.find(".select2-search-choice").remove();
|
---|
2741 | $(data).each(function () {
|
---|
2742 | self.addSelectedChoice(this);
|
---|
2743 | });
|
---|
2744 | self.postprocessResults();
|
---|
2745 | },
|
---|
2746 |
|
---|
2747 | // multi
|
---|
2748 | tokenize: function() {
|
---|
2749 | var input = this.search.val();
|
---|
2750 | input = this.opts.tokenizer.call(this, input, this.data(), this.bind(this.onSelect), this.opts);
|
---|
2751 | if (input != null && input != undefined) {
|
---|
2752 | this.search.val(input);
|
---|
2753 | if (input.length > 0) {
|
---|
2754 | this.open();
|
---|
2755 | }
|
---|
2756 | }
|
---|
2757 |
|
---|
2758 | },
|
---|
2759 |
|
---|
2760 | // multi
|
---|
2761 | onSelect: function (data, options) {
|
---|
2762 |
|
---|
2763 | if (!this.triggerSelect(data)) { return; }
|
---|
2764 |
|
---|
2765 | this.addSelectedChoice(data);
|
---|
2766 |
|
---|
2767 | this.opts.element.trigger({ type: "selected", val: this.id(data), choice: data });
|
---|
2768 |
|
---|
2769 | if (this.select || !this.opts.closeOnSelect) this.postprocessResults(data, false, this.opts.closeOnSelect===true);
|
---|
2770 |
|
---|
2771 | if (this.opts.closeOnSelect) {
|
---|
2772 | this.close();
|
---|
2773 | this.search.width(10);
|
---|
2774 | } else {
|
---|
2775 | if (this.countSelectableResults()>0) {
|
---|
2776 | this.search.width(10);
|
---|
2777 | this.resizeSearch();
|
---|
2778 | if (this.getMaximumSelectionSize() > 0 && this.val().length >= this.getMaximumSelectionSize()) {
|
---|
2779 | // if we reached max selection size repaint the results so choices
|
---|
2780 | // are replaced with the max selection reached message
|
---|
2781 | this.updateResults(true);
|
---|
2782 | }
|
---|
2783 | this.positionDropdown();
|
---|
2784 | } else {
|
---|
2785 | // if nothing left to select close
|
---|
2786 | this.close();
|
---|
2787 | this.search.width(10);
|
---|
2788 | }
|
---|
2789 | }
|
---|
2790 |
|
---|
2791 | // since its not possible to select an element that has already been
|
---|
2792 | // added we do not need to check if this is a new element before firing change
|
---|
2793 | this.triggerChange({ added: data });
|
---|
2794 |
|
---|
2795 | if (!options || !options.noFocus)
|
---|
2796 | this.focusSearch();
|
---|
2797 | },
|
---|
2798 |
|
---|
2799 | // multi
|
---|
2800 | cancel: function () {
|
---|
2801 | this.close();
|
---|
2802 | this.focusSearch();
|
---|
2803 | },
|
---|
2804 |
|
---|
2805 | addSelectedChoice: function (data) {
|
---|
2806 | var enableChoice = !data.locked,
|
---|
2807 | enabledItem = $(
|
---|
2808 | "<li class='select2-search-choice'>" +
|
---|
2809 | " <div></div>" +
|
---|
2810 | " <a href='#' onclick='return false;' class='select2-search-choice-close' tabindex='-1'></a>" +
|
---|
2811 | "</li>"),
|
---|
2812 | disabledItem = $(
|
---|
2813 | "<li class='select2-search-choice select2-locked'>" +
|
---|
2814 | "<div></div>" +
|
---|
2815 | "</li>");
|
---|
2816 | var choice = enableChoice ? enabledItem : disabledItem,
|
---|
2817 | id = this.id(data),
|
---|
2818 | val = this.getVal(),
|
---|
2819 | formatted,
|
---|
2820 | cssClass;
|
---|
2821 |
|
---|
2822 | formatted=this.opts.formatSelection(data, choice.find("div"), this.opts.escapeMarkup);
|
---|
2823 | if (formatted != undefined) {
|
---|
2824 | choice.find("div").replaceWith("<div>"+formatted+"</div>");
|
---|
2825 | }
|
---|
2826 | cssClass=this.opts.formatSelectionCssClass(data, choice.find("div"));
|
---|
2827 | if (cssClass != undefined) {
|
---|
2828 | choice.addClass(cssClass);
|
---|
2829 | }
|
---|
2830 |
|
---|
2831 | if(enableChoice){
|
---|
2832 | choice.find(".select2-search-choice-close")
|
---|
2833 | .on("mousedown", killEvent)
|
---|
2834 | .on("click dblclick", this.bind(function (e) {
|
---|
2835 | if (!this.isInterfaceEnabled()) return;
|
---|
2836 |
|
---|
2837 | $(e.target).closest(".select2-search-choice").fadeOut('fast', this.bind(function(){
|
---|
2838 | this.unselect($(e.target));
|
---|
2839 | this.selection.find(".select2-search-choice-focus").removeClass("select2-search-choice-focus");
|
---|
2840 | this.close();
|
---|
2841 | this.focusSearch();
|
---|
2842 | })).dequeue();
|
---|
2843 | killEvent(e);
|
---|
2844 | })).on("focus", this.bind(function () {
|
---|
2845 | if (!this.isInterfaceEnabled()) return;
|
---|
2846 | this.container.addClass("select2-container-active");
|
---|
2847 | this.dropdown.addClass("select2-drop-active");
|
---|
2848 | }));
|
---|
2849 | }
|
---|
2850 |
|
---|
2851 | choice.data("select2-data", data);
|
---|
2852 | choice.insertBefore(this.searchContainer);
|
---|
2853 |
|
---|
2854 | val.push(id);
|
---|
2855 | this.setVal(val);
|
---|
2856 | },
|
---|
2857 |
|
---|
2858 | // multi
|
---|
2859 | unselect: function (selected) {
|
---|
2860 | var val = this.getVal(),
|
---|
2861 | data,
|
---|
2862 | index;
|
---|
2863 | selected = selected.closest(".select2-search-choice");
|
---|
2864 |
|
---|
2865 | if (selected.length === 0) {
|
---|
2866 | throw "Invalid argument: " + selected + ". Must be .select2-search-choice";
|
---|
2867 | }
|
---|
2868 |
|
---|
2869 | data = selected.data("select2-data");
|
---|
2870 |
|
---|
2871 | if (!data) {
|
---|
2872 | // prevent a race condition when the 'x' is clicked really fast repeatedly the event can be queued
|
---|
2873 | // and invoked on an element already removed
|
---|
2874 | return;
|
---|
2875 | }
|
---|
2876 |
|
---|
2877 | while((index = indexOf(this.id(data), val)) >= 0) {
|
---|
2878 | val.splice(index, 1);
|
---|
2879 | this.setVal(val);
|
---|
2880 | if (this.select) this.postprocessResults();
|
---|
2881 | }
|
---|
2882 |
|
---|
2883 | var evt = $.Event("select2-removing");
|
---|
2884 | evt.val = this.id(data);
|
---|
2885 | evt.choice = data;
|
---|
2886 | this.opts.element.trigger(evt);
|
---|
2887 |
|
---|
2888 | if (evt.isDefaultPrevented()) {
|
---|
2889 | return;
|
---|
2890 | }
|
---|
2891 |
|
---|
2892 | selected.remove();
|
---|
2893 |
|
---|
2894 | this.opts.element.trigger({ type: "select2-removed", val: this.id(data), choice: data });
|
---|
2895 | this.triggerChange({ removed: data });
|
---|
2896 | },
|
---|
2897 |
|
---|
2898 | // multi
|
---|
2899 | postprocessResults: function (data, initial, noHighlightUpdate) {
|
---|
2900 | var val = this.getVal(),
|
---|
2901 | choices = this.results.find(".select2-result"),
|
---|
2902 | compound = this.results.find(".select2-result-with-children"),
|
---|
2903 | self = this;
|
---|
2904 |
|
---|
2905 | choices.each2(function (i, choice) {
|
---|
2906 | var id = self.id(choice.data("select2-data"));
|
---|
2907 | if (indexOf(id, val) >= 0) {
|
---|
2908 | choice.addClass("select2-selected");
|
---|
2909 | // mark all children of the selected parent as selected
|
---|
2910 | choice.find(".select2-result-selectable").addClass("select2-selected");
|
---|
2911 | }
|
---|
2912 | });
|
---|
2913 |
|
---|
2914 | compound.each2(function(i, choice) {
|
---|
2915 | // hide an optgroup if it doesnt have any selectable children
|
---|
2916 | if (!choice.is('.select2-result-selectable')
|
---|
2917 | && choice.find(".select2-result-selectable:not(.select2-selected)").length === 0) {
|
---|
2918 | choice.addClass("select2-selected");
|
---|
2919 | }
|
---|
2920 | });
|
---|
2921 |
|
---|
2922 | if (this.highlight() == -1 && noHighlightUpdate !== false){
|
---|
2923 | self.highlight(0);
|
---|
2924 | }
|
---|
2925 |
|
---|
2926 | //If all results are chosen render formatNoMAtches
|
---|
2927 | if(!this.opts.createSearchChoice && !choices.filter('.select2-result:not(.select2-selected)').length > 0){
|
---|
2928 | if(!data || data && !data.more && this.results.find(".select2-no-results").length === 0) {
|
---|
2929 | if (checkFormatter(self.opts.formatNoMatches, "formatNoMatches")) {
|
---|
2930 | this.results.append("<li class='select2-no-results'>" + self.opts.formatNoMatches(self.search.val()) + "</li>");
|
---|
2931 | }
|
---|
2932 | }
|
---|
2933 | }
|
---|
2934 |
|
---|
2935 | },
|
---|
2936 |
|
---|
2937 | // multi
|
---|
2938 | getMaxSearchWidth: function() {
|
---|
2939 | return this.selection.width() - getSideBorderPadding(this.search);
|
---|
2940 | },
|
---|
2941 |
|
---|
2942 | // multi
|
---|
2943 | resizeSearch: function () {
|
---|
2944 | var minimumWidth, left, maxWidth, containerLeft, searchWidth,
|
---|
2945 | sideBorderPadding = getSideBorderPadding(this.search);
|
---|
2946 |
|
---|
2947 | minimumWidth = measureTextWidth(this.search) + 10;
|
---|
2948 |
|
---|
2949 | left = this.search.offset().left;
|
---|
2950 |
|
---|
2951 | maxWidth = this.selection.width();
|
---|
2952 | containerLeft = this.selection.offset().left;
|
---|
2953 |
|
---|
2954 | searchWidth = maxWidth - (left - containerLeft) - sideBorderPadding;
|
---|
2955 |
|
---|
2956 | if (searchWidth < minimumWidth) {
|
---|
2957 | searchWidth = maxWidth - sideBorderPadding;
|
---|
2958 | }
|
---|
2959 |
|
---|
2960 | if (searchWidth < 40) {
|
---|
2961 | searchWidth = maxWidth - sideBorderPadding;
|
---|
2962 | }
|
---|
2963 |
|
---|
2964 | if (searchWidth <= 0) {
|
---|
2965 | searchWidth = minimumWidth;
|
---|
2966 | }
|
---|
2967 |
|
---|
2968 | this.search.width(Math.floor(searchWidth));
|
---|
2969 | },
|
---|
2970 |
|
---|
2971 | // multi
|
---|
2972 | getVal: function () {
|
---|
2973 | var val;
|
---|
2974 | if (this.select) {
|
---|
2975 | val = this.select.val();
|
---|
2976 | return val === null ? [] : val;
|
---|
2977 | } else {
|
---|
2978 | val = this.opts.element.val();
|
---|
2979 | return splitVal(val, this.opts.separator);
|
---|
2980 | }
|
---|
2981 | },
|
---|
2982 |
|
---|
2983 | // multi
|
---|
2984 | setVal: function (val) {
|
---|
2985 | var unique;
|
---|
2986 | if (this.select) {
|
---|
2987 | this.select.val(val);
|
---|
2988 | } else {
|
---|
2989 | unique = [];
|
---|
2990 | // filter out duplicates
|
---|
2991 | $(val).each(function () {
|
---|
2992 | if (indexOf(this, unique) < 0) unique.push(this);
|
---|
2993 | });
|
---|
2994 | this.opts.element.val(unique.length === 0 ? "" : unique.join(this.opts.separator));
|
---|
2995 | }
|
---|
2996 | },
|
---|
2997 |
|
---|
2998 | // multi
|
---|
2999 | buildChangeDetails: function (old, current) {
|
---|
3000 | var current = current.slice(0),
|
---|
3001 | old = old.slice(0);
|
---|
3002 |
|
---|
3003 | // remove intersection from each array
|
---|
3004 | for (var i = 0; i < current.length; i++) {
|
---|
3005 | for (var j = 0; j < old.length; j++) {
|
---|
3006 | if (equal(this.opts.id(current[i]), this.opts.id(old[j]))) {
|
---|
3007 | current.splice(i, 1);
|
---|
3008 | if(i>0){
|
---|
3009 | i--;
|
---|
3010 | }
|
---|
3011 | old.splice(j, 1);
|
---|
3012 | j--;
|
---|
3013 | }
|
---|
3014 | }
|
---|
3015 | }
|
---|
3016 |
|
---|
3017 | return {added: current, removed: old};
|
---|
3018 | },
|
---|
3019 |
|
---|
3020 |
|
---|
3021 | // multi
|
---|
3022 | val: function (val, triggerChange) {
|
---|
3023 | var oldData, self=this;
|
---|
3024 |
|
---|
3025 | if (arguments.length === 0) {
|
---|
3026 | return this.getVal();
|
---|
3027 | }
|
---|
3028 |
|
---|
3029 | oldData=this.data();
|
---|
3030 | if (!oldData.length) oldData=[];
|
---|
3031 |
|
---|
3032 | // val is an id. !val is true for [undefined,null,'',0] - 0 is legal
|
---|
3033 | if (!val && val !== 0) {
|
---|
3034 | this.opts.element.val("");
|
---|
3035 | this.updateSelection([]);
|
---|
3036 | this.clearSearch();
|
---|
3037 | if (triggerChange) {
|
---|
3038 | this.triggerChange({added: this.data(), removed: oldData});
|
---|
3039 | }
|
---|
3040 | return;
|
---|
3041 | }
|
---|
3042 |
|
---|
3043 | // val is a list of ids
|
---|
3044 | this.setVal(val);
|
---|
3045 |
|
---|
3046 | if (this.select) {
|
---|
3047 | this.opts.initSelection(this.select, this.bind(this.updateSelection));
|
---|
3048 | if (triggerChange) {
|
---|
3049 | this.triggerChange(this.buildChangeDetails(oldData, this.data()));
|
---|
3050 | }
|
---|
3051 | } else {
|
---|
3052 | if (this.opts.initSelection === undefined) {
|
---|
3053 | throw new Error("val() cannot be called if initSelection() is not defined");
|
---|
3054 | }
|
---|
3055 |
|
---|
3056 | this.opts.initSelection(this.opts.element, function(data){
|
---|
3057 | var ids=$.map(data, self.id);
|
---|
3058 | self.setVal(ids);
|
---|
3059 | self.updateSelection(data);
|
---|
3060 | self.clearSearch();
|
---|
3061 | if (triggerChange) {
|
---|
3062 | self.triggerChange(self.buildChangeDetails(oldData, self.data()));
|
---|
3063 | }
|
---|
3064 | });
|
---|
3065 | }
|
---|
3066 | this.clearSearch();
|
---|
3067 | },
|
---|
3068 |
|
---|
3069 | // multi
|
---|
3070 | onSortStart: function() {
|
---|
3071 | if (this.select) {
|
---|
3072 | throw new Error("Sorting of elements is not supported when attached to <select>. Attach to <input type='hidden'/> instead.");
|
---|
3073 | }
|
---|
3074 |
|
---|
3075 | // collapse search field into 0 width so its container can be collapsed as well
|
---|
3076 | this.search.width(0);
|
---|
3077 | // hide the container
|
---|
3078 | this.searchContainer.hide();
|
---|
3079 | },
|
---|
3080 |
|
---|
3081 | // multi
|
---|
3082 | onSortEnd:function() {
|
---|
3083 |
|
---|
3084 | var val=[], self=this;
|
---|
3085 |
|
---|
3086 | // show search and move it to the end of the list
|
---|
3087 | this.searchContainer.show();
|
---|
3088 | // make sure the search container is the last item in the list
|
---|
3089 | this.searchContainer.appendTo(this.searchContainer.parent());
|
---|
3090 | // since we collapsed the width in dragStarted, we resize it here
|
---|
3091 | this.resizeSearch();
|
---|
3092 |
|
---|
3093 | // update selection
|
---|
3094 | this.selection.find(".select2-search-choice").each(function() {
|
---|
3095 | val.push(self.opts.id($(this).data("select2-data")));
|
---|
3096 | });
|
---|
3097 | this.setVal(val);
|
---|
3098 | this.triggerChange();
|
---|
3099 | },
|
---|
3100 |
|
---|
3101 | // multi
|
---|
3102 | data: function(values, triggerChange) {
|
---|
3103 | var self=this, ids, old;
|
---|
3104 | if (arguments.length === 0) {
|
---|
3105 | return this.selection
|
---|
3106 | .find(".select2-search-choice")
|
---|
3107 | .map(function() { return $(this).data("select2-data"); })
|
---|
3108 | .get();
|
---|
3109 | } else {
|
---|
3110 | old = this.data();
|
---|
3111 | if (!values) { values = []; }
|
---|
3112 | ids = $.map(values, function(e) { return self.opts.id(e); });
|
---|
3113 | this.setVal(ids);
|
---|
3114 | this.updateSelection(values);
|
---|
3115 | this.clearSearch();
|
---|
3116 | if (triggerChange) {
|
---|
3117 | this.triggerChange(this.buildChangeDetails(old, this.data()));
|
---|
3118 | }
|
---|
3119 | }
|
---|
3120 | }
|
---|
3121 | });
|
---|
3122 |
|
---|
3123 | $.fn.select2 = function () {
|
---|
3124 |
|
---|
3125 | var args = Array.prototype.slice.call(arguments, 0),
|
---|
3126 | opts,
|
---|
3127 | select2,
|
---|
3128 | method, value, multiple,
|
---|
3129 | allowedMethods = ["val", "destroy", "opened", "open", "close", "focus", "isFocused", "container", "dropdown", "onSortStart", "onSortEnd", "enable", "disable", "readonly", "positionDropdown", "data", "search"],
|
---|
3130 | valueMethods = ["opened", "isFocused", "container", "dropdown"],
|
---|
3131 | propertyMethods = ["val", "data"],
|
---|
3132 | methodsMap = { search: "externalSearch" };
|
---|
3133 |
|
---|
3134 | this.each(function () {
|
---|
3135 | if (args.length === 0 || typeof(args[0]) === "object") {
|
---|
3136 | opts = args.length === 0 ? {} : $.extend({}, args[0]);
|
---|
3137 | opts.element = $(this);
|
---|
3138 |
|
---|
3139 | if (opts.element.get(0).tagName.toLowerCase() === "select") {
|
---|
3140 | multiple = opts.element.prop("multiple");
|
---|
3141 | } else {
|
---|
3142 | multiple = opts.multiple || false;
|
---|
3143 | if ("tags" in opts) {opts.multiple = multiple = true;}
|
---|
3144 | }
|
---|
3145 |
|
---|
3146 | select2 = multiple ? new MultiSelect2() : new SingleSelect2();
|
---|
3147 | select2.init(opts);
|
---|
3148 | } else if (typeof(args[0]) === "string") {
|
---|
3149 |
|
---|
3150 | if (indexOf(args[0], allowedMethods) < 0) {
|
---|
3151 | throw "Unknown method: " + args[0];
|
---|
3152 | }
|
---|
3153 |
|
---|
3154 | value = undefined;
|
---|
3155 | select2 = $(this).data("select2");
|
---|
3156 | if (select2 === undefined) return;
|
---|
3157 |
|
---|
3158 | method=args[0];
|
---|
3159 |
|
---|
3160 | if (method === "container") {
|
---|
3161 | value = select2.container;
|
---|
3162 | } else if (method === "dropdown") {
|
---|
3163 | value = select2.dropdown;
|
---|
3164 | } else {
|
---|
3165 | if (methodsMap[method]) method = methodsMap[method];
|
---|
3166 |
|
---|
3167 | value = select2[method].apply(select2, args.slice(1));
|
---|
3168 | }
|
---|
3169 | if (indexOf(args[0], valueMethods) >= 0
|
---|
3170 | || (indexOf(args[0], propertyMethods) && args.length == 1)) {
|
---|
3171 | return false; // abort the iteration, ready to return first matched value
|
---|
3172 | }
|
---|
3173 | } else {
|
---|
3174 | throw "Invalid arguments to select2 plugin: " + args;
|
---|
3175 | }
|
---|
3176 | });
|
---|
3177 | return (value === undefined) ? this : value;
|
---|
3178 | };
|
---|
3179 |
|
---|
3180 | // plugin defaults, accessible to users
|
---|
3181 | $.fn.select2.defaults = {
|
---|
3182 | width: "copy",
|
---|
3183 | loadMorePadding: 0,
|
---|
3184 | closeOnSelect: true,
|
---|
3185 | openOnEnter: true,
|
---|
3186 | containerCss: {},
|
---|
3187 | dropdownCss: {},
|
---|
3188 | containerCssClass: "",
|
---|
3189 | dropdownCssClass: "",
|
---|
3190 | formatResult: function(result, container, query, escapeMarkup) {
|
---|
3191 | var markup=[];
|
---|
3192 | markMatch(result.text, query.term, markup, escapeMarkup);
|
---|
3193 | return markup.join("");
|
---|
3194 | },
|
---|
3195 | formatSelection: function (data, container, escapeMarkup) {
|
---|
3196 | return data ? escapeMarkup(data.text) : undefined;
|
---|
3197 | },
|
---|
3198 | sortResults: function (results, container, query) {
|
---|
3199 | return results;
|
---|
3200 | },
|
---|
3201 | formatResultCssClass: function(data) {return undefined;},
|
---|
3202 | formatSelectionCssClass: function(data, container) {return undefined;},
|
---|
3203 | formatNoMatches: function () { return "No matches found"; },
|
---|
3204 | formatInputTooShort: function (input, min) { var n = min - input.length; return "Please enter " + n + " more character" + (n == 1? "" : "s"); },
|
---|
3205 | formatInputTooLong: function (input, max) { var n = input.length - max; return "Please delete " + n + " character" + (n == 1? "" : "s"); },
|
---|
3206 | formatSelectionTooBig: function (limit) { return "You can only select " + limit + " item" + (limit == 1 ? "" : "s"); },
|
---|
3207 | formatLoadMore: function (pageNumber) { return "Loading more results..."; },
|
---|
3208 | formatSearching: function () { return "Searching..."; },
|
---|
3209 | minimumResultsForSearch: 0,
|
---|
3210 | minimumInputLength: 0,
|
---|
3211 | maximumInputLength: null,
|
---|
3212 | maximumSelectionSize: 0,
|
---|
3213 | id: function (e) { return e.id; },
|
---|
3214 | matcher: function(term, text) {
|
---|
3215 | return stripDiacritics(''+text).toUpperCase().indexOf(stripDiacritics(''+term).toUpperCase()) >= 0;
|
---|
3216 | },
|
---|
3217 | separator: ",",
|
---|
3218 | tokenSeparators: [],
|
---|
3219 | tokenizer: defaultTokenizer,
|
---|
3220 | escapeMarkup: defaultEscapeMarkup,
|
---|
3221 | blurOnChange: false,
|
---|
3222 | selectOnBlur: false,
|
---|
3223 | adaptContainerCssClass: function(c) { return c; },
|
---|
3224 | adaptDropdownCssClass: function(c) { return null; },
|
---|
3225 | nextSearchTerm: function(selectedObject, currentSearchTerm) { return undefined; }
|
---|
3226 | };
|
---|
3227 |
|
---|
3228 | $.fn.select2.ajaxDefaults = {
|
---|
3229 | transport: $.ajax,
|
---|
3230 | params: {
|
---|
3231 | type: "GET",
|
---|
3232 | cache: false,
|
---|
3233 | dataType: "json"
|
---|
3234 | }
|
---|
3235 | };
|
---|
3236 |
|
---|
3237 | // exports
|
---|
3238 | window.Select2 = {
|
---|
3239 | query: {
|
---|
3240 | ajax: ajax,
|
---|
3241 | local: local,
|
---|
3242 | tags: tags
|
---|
3243 | }, util: {
|
---|
3244 | debounce: debounce,
|
---|
3245 | markMatch: markMatch,
|
---|
3246 | escapeMarkup: defaultEscapeMarkup,
|
---|
3247 | stripDiacritics: stripDiacritics
|
---|
3248 | }, "class": {
|
---|
3249 | "abstract": AbstractSelect2,
|
---|
3250 | "single": SingleSelect2,
|
---|
3251 | "multi": MultiSelect2
|
---|
3252 | }
|
---|
3253 | };
|
---|
3254 |
|
---|
3255 | }(jQuery)); |
---|