| 1 | /*
|
|---|
| 2 | * jQuery UI Sortable 1.8rc1
|
|---|
| 3 | *
|
|---|
| 4 | * Copyright (c) 2010 AUTHORS.txt (http://jqueryui.com/about)
|
|---|
| 5 | * Dual licensed under the MIT (MIT-LICENSE.txt)
|
|---|
| 6 | * and GPL (GPL-LICENSE.txt) licenses.
|
|---|
| 7 | *
|
|---|
| 8 | * http://docs.jquery.com/UI/Sortables
|
|---|
| 9 | *
|
|---|
| 10 | * Depends:
|
|---|
| 11 | * jquery.ui.core.js
|
|---|
| 12 | * jquery.ui.mouse.js
|
|---|
| 13 | * jquery.ui.widget.js
|
|---|
| 14 | */
|
|---|
| 15 | (function($) {
|
|---|
| 16 |
|
|---|
| 17 | $.widget("ui.sortable", $.ui.mouse, {
|
|---|
| 18 | options: {
|
|---|
| 19 | appendTo: "parent",
|
|---|
| 20 | axis: false,
|
|---|
| 21 | connectWith: false,
|
|---|
| 22 | containment: false,
|
|---|
| 23 | cursor: 'auto',
|
|---|
| 24 | cursorAt: false,
|
|---|
| 25 | dropOnEmpty: true,
|
|---|
| 26 | forcePlaceholderSize: false,
|
|---|
| 27 | forceHelperSize: false,
|
|---|
| 28 | grid: false,
|
|---|
| 29 | handle: false,
|
|---|
| 30 | helper: "original",
|
|---|
| 31 | items: '> *',
|
|---|
| 32 | opacity: false,
|
|---|
| 33 | placeholder: false,
|
|---|
| 34 | revert: false,
|
|---|
| 35 | scroll: true,
|
|---|
| 36 | scrollSensitivity: 20,
|
|---|
| 37 | scrollSpeed: 20,
|
|---|
| 38 | scope: "default",
|
|---|
| 39 | tolerance: "intersect",
|
|---|
| 40 | zIndex: 1000
|
|---|
| 41 | },
|
|---|
| 42 | _create: function() {
|
|---|
| 43 |
|
|---|
| 44 | var o = this.options;
|
|---|
| 45 | this.containerCache = {};
|
|---|
| 46 | this.element.addClass("ui-sortable");
|
|---|
| 47 |
|
|---|
| 48 | //Get the items
|
|---|
| 49 | this.refresh();
|
|---|
| 50 |
|
|---|
| 51 | //Let's determine if the items are floating
|
|---|
| 52 | this.floating = this.items.length ? (/left|right/).test(this.items[0].item.css('float')) : false;
|
|---|
| 53 |
|
|---|
| 54 | //Let's determine the parent's offset
|
|---|
| 55 | this.offset = this.element.offset();
|
|---|
| 56 |
|
|---|
| 57 | //Initialize mouse events for interaction
|
|---|
| 58 | this._mouseInit();
|
|---|
| 59 |
|
|---|
| 60 | },
|
|---|
| 61 |
|
|---|
| 62 | destroy: function() {
|
|---|
| 63 | this.element
|
|---|
| 64 | .removeClass("ui-sortable ui-sortable-disabled")
|
|---|
| 65 | .removeData("sortable")
|
|---|
| 66 | .unbind(".sortable");
|
|---|
| 67 | this._mouseDestroy();
|
|---|
| 68 |
|
|---|
| 69 | for ( var i = this.items.length - 1; i >= 0; i-- )
|
|---|
| 70 | this.items[i].item.removeData("sortable-item");
|
|---|
| 71 |
|
|---|
| 72 | return this;
|
|---|
| 73 | },
|
|---|
| 74 |
|
|---|
| 75 | _mouseCapture: function(event, overrideHandle) {
|
|---|
| 76 |
|
|---|
| 77 | if (this.reverting) {
|
|---|
| 78 | return false;
|
|---|
| 79 | }
|
|---|
| 80 |
|
|---|
| 81 | if(this.options.disabled || this.options.type == 'static') return false;
|
|---|
| 82 |
|
|---|
| 83 | //We have to refresh the items data once first
|
|---|
| 84 | this._refreshItems(event);
|
|---|
| 85 |
|
|---|
| 86 | //Find out if the clicked node (or one of its parents) is a actual item in this.items
|
|---|
| 87 | var currentItem = null, self = this, nodes = $(event.target).parents().each(function() {
|
|---|
| 88 | if($.data(this, 'sortable-item') == self) {
|
|---|
| 89 | currentItem = $(this);
|
|---|
| 90 | return false;
|
|---|
| 91 | }
|
|---|
| 92 | });
|
|---|
| 93 | if($.data(event.target, 'sortable-item') == self) currentItem = $(event.target);
|
|---|
| 94 |
|
|---|
| 95 | if(!currentItem) return false;
|
|---|
| 96 | if(this.options.handle && !overrideHandle) {
|
|---|
| 97 | var validHandle = false;
|
|---|
| 98 |
|
|---|
| 99 | $(this.options.handle, currentItem).find("*").andSelf().each(function() { if(this == event.target) validHandle = true; });
|
|---|
| 100 | if(!validHandle) return false;
|
|---|
| 101 | }
|
|---|
| 102 |
|
|---|
| 103 | this.currentItem = currentItem;
|
|---|
| 104 | this._removeCurrentsFromItems();
|
|---|
| 105 | return true;
|
|---|
| 106 |
|
|---|
| 107 | },
|
|---|
| 108 |
|
|---|
| 109 | _mouseStart: function(event, overrideHandle, noActivation) {
|
|---|
| 110 |
|
|---|
| 111 | var o = this.options, self = this;
|
|---|
| 112 | this.currentContainer = this;
|
|---|
| 113 |
|
|---|
| 114 | //We only need to call refreshPositions, because the refreshItems call has been moved to mouseCapture
|
|---|
| 115 | this.refreshPositions();
|
|---|
| 116 |
|
|---|
| 117 | //Create and append the visible helper
|
|---|
| 118 | this.helper = this._createHelper(event);
|
|---|
| 119 |
|
|---|
| 120 | //Cache the helper size
|
|---|
| 121 | this._cacheHelperProportions();
|
|---|
| 122 |
|
|---|
| 123 | /*
|
|---|
| 124 | * - Position generation -
|
|---|
| 125 | * This block generates everything position related - it's the core of draggables.
|
|---|
| 126 | */
|
|---|
| 127 |
|
|---|
| 128 | //Cache the margins of the original element
|
|---|
| 129 | this._cacheMargins();
|
|---|
| 130 |
|
|---|
| 131 | //Get the next scrolling parent
|
|---|
| 132 | this.scrollParent = this.helper.scrollParent();
|
|---|
| 133 |
|
|---|
| 134 | //The element's absolute position on the page minus margins
|
|---|
| 135 | this.offset = this.currentItem.offset();
|
|---|
| 136 | this.offset = {
|
|---|
| 137 | top: this.offset.top - this.margins.top,
|
|---|
| 138 | left: this.offset.left - this.margins.left
|
|---|
| 139 | };
|
|---|
| 140 |
|
|---|
| 141 | // Only after we got the offset, we can change the helper's position to absolute
|
|---|
| 142 | // TODO: Still need to figure out a way to make relative sorting possible
|
|---|
| 143 | this.helper.css("position", "absolute");
|
|---|
| 144 | this.cssPosition = this.helper.css("position");
|
|---|
| 145 |
|
|---|
| 146 | $.extend(this.offset, {
|
|---|
| 147 | click: { //Where the click happened, relative to the element
|
|---|
| 148 | left: event.pageX - this.offset.left,
|
|---|
| 149 | top: event.pageY - this.offset.top
|
|---|
| 150 | },
|
|---|
| 151 | parent: this._getParentOffset(),
|
|---|
| 152 | relative: this._getRelativeOffset() //This is a relative to absolute position minus the actual position calculation - only used for relative positioned helper
|
|---|
| 153 | });
|
|---|
| 154 |
|
|---|
| 155 | //Generate the original position
|
|---|
| 156 | this.originalPosition = this._generatePosition(event);
|
|---|
| 157 | this.originalPageX = event.pageX;
|
|---|
| 158 | this.originalPageY = event.pageY;
|
|---|
| 159 |
|
|---|
| 160 | //Adjust the mouse offset relative to the helper if 'cursorAt' is supplied
|
|---|
| 161 | (o.cursorAt && this._adjustOffsetFromHelper(o.cursorAt));
|
|---|
| 162 |
|
|---|
| 163 | //Cache the former DOM position
|
|---|
| 164 | this.domPosition = { prev: this.currentItem.prev()[0], parent: this.currentItem.parent()[0] };
|
|---|
| 165 |
|
|---|
| 166 | //If the helper is not the original, hide the original so it's not playing any role during the drag, won't cause anything bad this way
|
|---|
| 167 | if(this.helper[0] != this.currentItem[0]) {
|
|---|
| 168 | this.currentItem.hide();
|
|---|
| 169 | }
|
|---|
| 170 |
|
|---|
| 171 | //Create the placeholder
|
|---|
| 172 | this._createPlaceholder();
|
|---|
| 173 |
|
|---|
| 174 | //Set a containment if given in the options
|
|---|
| 175 | if(o.containment)
|
|---|
| 176 | this._setContainment();
|
|---|
| 177 |
|
|---|
| 178 | if(o.cursor) { // cursor option
|
|---|
| 179 | if ($('body').css("cursor")) this._storedCursor = $('body').css("cursor");
|
|---|
| 180 | $('body').css("cursor", o.cursor);
|
|---|
| 181 | }
|
|---|
| 182 |
|
|---|
| 183 | if(o.opacity) { // opacity option
|
|---|
| 184 | if (this.helper.css("opacity")) this._storedOpacity = this.helper.css("opacity");
|
|---|
| 185 | this.helper.css("opacity", o.opacity);
|
|---|
| 186 | }
|
|---|
| 187 |
|
|---|
| 188 | if(o.zIndex) { // zIndex option
|
|---|
| 189 | if (this.helper.css("zIndex")) this._storedZIndex = this.helper.css("zIndex");
|
|---|
| 190 | this.helper.css("zIndex", o.zIndex);
|
|---|
| 191 | }
|
|---|
| 192 |
|
|---|
| 193 | //Prepare scrolling
|
|---|
| 194 | if(this.scrollParent[0] != document && this.scrollParent[0].tagName != 'HTML')
|
|---|
| 195 | this.overflowOffset = this.scrollParent.offset();
|
|---|
| 196 |
|
|---|
| 197 | //Call callbacks
|
|---|
| 198 | this._trigger("start", event, this._uiHash());
|
|---|
| 199 |
|
|---|
| 200 | //Recache the helper size
|
|---|
| 201 | if(!this._preserveHelperProportions)
|
|---|
| 202 | this._cacheHelperProportions();
|
|---|
| 203 |
|
|---|
| 204 |
|
|---|
| 205 | //Post 'activate' events to possible containers
|
|---|
| 206 | if(!noActivation) {
|
|---|
| 207 | for (var i = this.containers.length - 1; i >= 0; i--) { this.containers[i]._trigger("activate", event, self._uiHash(this)); }
|
|---|
| 208 | }
|
|---|
| 209 |
|
|---|
| 210 | //Prepare possible droppables
|
|---|
| 211 | if($.ui.ddmanager)
|
|---|
| 212 | $.ui.ddmanager.current = this;
|
|---|
| 213 |
|
|---|
| 214 | if ($.ui.ddmanager && !o.dropBehaviour)
|
|---|
| 215 | $.ui.ddmanager.prepareOffsets(this, event);
|
|---|
| 216 |
|
|---|
| 217 | this.dragging = true;
|
|---|
| 218 |
|
|---|
| 219 | this.helper.addClass("ui-sortable-helper");
|
|---|
| 220 | this._mouseDrag(event); //Execute the drag once - this causes the helper not to be visible before getting its correct position
|
|---|
| 221 | return true;
|
|---|
| 222 |
|
|---|
| 223 | },
|
|---|
| 224 |
|
|---|
| 225 | _mouseDrag: function(event) {
|
|---|
| 226 |
|
|---|
| 227 | //Compute the helpers position
|
|---|
| 228 | this.position = this._generatePosition(event);
|
|---|
| 229 | this.positionAbs = this._convertPositionTo("absolute");
|
|---|
| 230 |
|
|---|
| 231 | if (!this.lastPositionAbs) {
|
|---|
| 232 | this.lastPositionAbs = this.positionAbs;
|
|---|
| 233 | }
|
|---|
| 234 |
|
|---|
| 235 | //Do scrolling
|
|---|
| 236 | if(this.options.scroll) {
|
|---|
| 237 | var o = this.options, scrolled = false;
|
|---|
| 238 | if(this.scrollParent[0] != document && this.scrollParent[0].tagName != 'HTML') {
|
|---|
| 239 |
|
|---|
| 240 | if((this.overflowOffset.top + this.scrollParent[0].offsetHeight) - event.pageY < o.scrollSensitivity)
|
|---|
| 241 | this.scrollParent[0].scrollTop = scrolled = this.scrollParent[0].scrollTop + o.scrollSpeed;
|
|---|
| 242 | else if(event.pageY - this.overflowOffset.top < o.scrollSensitivity)
|
|---|
| 243 | this.scrollParent[0].scrollTop = scrolled = this.scrollParent[0].scrollTop - o.scrollSpeed;
|
|---|
| 244 |
|
|---|
| 245 | if((this.overflowOffset.left + this.scrollParent[0].offsetWidth) - event.pageX < o.scrollSensitivity)
|
|---|
| 246 | this.scrollParent[0].scrollLeft = scrolled = this.scrollParent[0].scrollLeft + o.scrollSpeed;
|
|---|
| 247 | else if(event.pageX - this.overflowOffset.left < o.scrollSensitivity)
|
|---|
| 248 | this.scrollParent[0].scrollLeft = scrolled = this.scrollParent[0].scrollLeft - o.scrollSpeed;
|
|---|
| 249 |
|
|---|
| 250 | } else {
|
|---|
| 251 |
|
|---|
| 252 | if(event.pageY - $(document).scrollTop() < o.scrollSensitivity)
|
|---|
| 253 | scrolled = $(document).scrollTop($(document).scrollTop() - o.scrollSpeed);
|
|---|
| 254 | else if($(window).height() - (event.pageY - $(document).scrollTop()) < o.scrollSensitivity)
|
|---|
| 255 | scrolled = $(document).scrollTop($(document).scrollTop() + o.scrollSpeed);
|
|---|
| 256 |
|
|---|
| 257 | if(event.pageX - $(document).scrollLeft() < o.scrollSensitivity)
|
|---|
| 258 | scrolled = $(document).scrollLeft($(document).scrollLeft() - o.scrollSpeed);
|
|---|
| 259 | else if($(window).width() - (event.pageX - $(document).scrollLeft()) < o.scrollSensitivity)
|
|---|
| 260 | scrolled = $(document).scrollLeft($(document).scrollLeft() + o.scrollSpeed);
|
|---|
| 261 |
|
|---|
| 262 | }
|
|---|
| 263 |
|
|---|
| 264 | if(scrolled !== false && $.ui.ddmanager && !o.dropBehaviour)
|
|---|
| 265 | $.ui.ddmanager.prepareOffsets(this, event);
|
|---|
| 266 | }
|
|---|
| 267 |
|
|---|
| 268 | //Regenerate the absolute position used for position checks
|
|---|
| 269 | this.positionAbs = this._convertPositionTo("absolute");
|
|---|
| 270 |
|
|---|
| 271 | //Set the helper position
|
|---|
| 272 | if(!this.options.axis || this.options.axis != "y") this.helper[0].style.left = this.position.left+'px';
|
|---|
| 273 | if(!this.options.axis || this.options.axis != "x") this.helper[0].style.top = this.position.top+'px';
|
|---|
| 274 |
|
|---|
| 275 | //Rearrange
|
|---|
| 276 | for (var i = this.items.length - 1; i >= 0; i--) {
|
|---|
| 277 |
|
|---|
| 278 | //Cache variables and intersection, continue if no intersection
|
|---|
| 279 | var item = this.items[i], itemElement = item.item[0], intersection = this._intersectsWithPointer(item);
|
|---|
| 280 | if (!intersection) continue;
|
|---|
| 281 |
|
|---|
| 282 | if(itemElement != this.currentItem[0] //cannot intersect with itself
|
|---|
| 283 | && this.placeholder[intersection == 1 ? "next" : "prev"]()[0] != itemElement //no useless actions that have been done before
|
|---|
| 284 | && !$.ui.contains(this.placeholder[0], itemElement) //no action if the item moved is the parent of the item checked
|
|---|
| 285 | && (this.options.type == 'semi-dynamic' ? !$.ui.contains(this.element[0], itemElement) : true)
|
|---|
| 286 | //&& itemElement.parentNode == this.placeholder[0].parentNode // only rearrange items within the same container
|
|---|
| 287 | ) {
|
|---|
| 288 |
|
|---|
| 289 | this.direction = intersection == 1 ? "down" : "up";
|
|---|
| 290 |
|
|---|
| 291 | if (this.options.tolerance == "pointer" || this._intersectsWithSides(item)) {
|
|---|
| 292 | this._rearrange(event, item);
|
|---|
| 293 | } else {
|
|---|
| 294 | break;
|
|---|
| 295 | }
|
|---|
| 296 |
|
|---|
| 297 | this._trigger("change", event, this._uiHash());
|
|---|
| 298 | break;
|
|---|
| 299 | }
|
|---|
| 300 | }
|
|---|
| 301 |
|
|---|
| 302 | //Post events to containers
|
|---|
| 303 | this._contactContainers(event);
|
|---|
| 304 |
|
|---|
| 305 | //Interconnect with droppables
|
|---|
| 306 | if($.ui.ddmanager) $.ui.ddmanager.drag(this, event);
|
|---|
| 307 |
|
|---|
| 308 | //Call callbacks
|
|---|
| 309 | this._trigger('sort', event, this._uiHash());
|
|---|
| 310 |
|
|---|
| 311 | this.lastPositionAbs = this.positionAbs;
|
|---|
| 312 | return false;
|
|---|
| 313 |
|
|---|
| 314 | },
|
|---|
| 315 |
|
|---|
| 316 | _mouseStop: function(event, noPropagation) {
|
|---|
| 317 |
|
|---|
| 318 | if(!event) return;
|
|---|
| 319 |
|
|---|
| 320 | //If we are using droppables, inform the manager about the drop
|
|---|
| 321 | if ($.ui.ddmanager && !this.options.dropBehaviour)
|
|---|
| 322 | $.ui.ddmanager.drop(this, event);
|
|---|
| 323 |
|
|---|
| 324 | if(this.options.revert) {
|
|---|
| 325 | var self = this;
|
|---|
| 326 | var cur = self.placeholder.offset();
|
|---|
| 327 |
|
|---|
| 328 | self.reverting = true;
|
|---|
| 329 |
|
|---|
| 330 | $(this.helper).animate({
|
|---|
| 331 | left: cur.left - this.offset.parent.left - self.margins.left + (this.offsetParent[0] == document.body ? 0 : this.offsetParent[0].scrollLeft),
|
|---|
| 332 | top: cur.top - this.offset.parent.top - self.margins.top + (this.offsetParent[0] == document.body ? 0 : this.offsetParent[0].scrollTop)
|
|---|
| 333 | }, parseInt(this.options.revert, 10) || 500, function() {
|
|---|
| 334 | self._clear(event);
|
|---|
| 335 | });
|
|---|
| 336 | } else {
|
|---|
| 337 | this._clear(event, noPropagation);
|
|---|
| 338 | }
|
|---|
| 339 |
|
|---|
| 340 | return false;
|
|---|
| 341 |
|
|---|
| 342 | },
|
|---|
| 343 |
|
|---|
| 344 | cancel: function() {
|
|---|
| 345 |
|
|---|
| 346 | var self = this;
|
|---|
| 347 |
|
|---|
| 348 | if(this.dragging) {
|
|---|
| 349 |
|
|---|
| 350 | this._mouseUp();
|
|---|
| 351 |
|
|---|
| 352 | if(this.options.helper == "original")
|
|---|
| 353 | this.currentItem.css(this._storedCSS).removeClass("ui-sortable-helper");
|
|---|
| 354 | else
|
|---|
| 355 | this.currentItem.show();
|
|---|
| 356 |
|
|---|
| 357 | //Post deactivating events to containers
|
|---|
| 358 | for (var i = this.containers.length - 1; i >= 0; i--){
|
|---|
| 359 | this.containers[i]._trigger("deactivate", null, self._uiHash(this));
|
|---|
| 360 | if(this.containers[i].containerCache.over) {
|
|---|
| 361 | this.containers[i]._trigger("out", null, self._uiHash(this));
|
|---|
| 362 | this.containers[i].containerCache.over = 0;
|
|---|
| 363 | }
|
|---|
| 364 | }
|
|---|
| 365 |
|
|---|
| 366 | }
|
|---|
| 367 |
|
|---|
| 368 | //$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately, it unbinds ALL events from the original node!
|
|---|
| 369 | if(this.placeholder[0].parentNode) this.placeholder[0].parentNode.removeChild(this.placeholder[0]);
|
|---|
| 370 | if(this.options.helper != "original" && this.helper && this.helper[0].parentNode) this.helper.remove();
|
|---|
| 371 |
|
|---|
| 372 | $.extend(this, {
|
|---|
| 373 | helper: null,
|
|---|
| 374 | dragging: false,
|
|---|
| 375 | reverting: false,
|
|---|
| 376 | _noFinalSort: null
|
|---|
| 377 | });
|
|---|
| 378 |
|
|---|
| 379 | if(this.domPosition.prev) {
|
|---|
| 380 | $(this.domPosition.prev).after(this.currentItem);
|
|---|
| 381 | } else {
|
|---|
| 382 | $(this.domPosition.parent).prepend(this.currentItem);
|
|---|
| 383 | }
|
|---|
| 384 |
|
|---|
| 385 | return this;
|
|---|
| 386 |
|
|---|
| 387 | },
|
|---|
| 388 |
|
|---|
| 389 | serialize: function(o) {
|
|---|
| 390 |
|
|---|
| 391 | var items = this._getItemsAsjQuery(o && o.connected);
|
|---|
| 392 | var str = []; o = o || {};
|
|---|
| 393 |
|
|---|
| 394 | $(items).each(function() {
|
|---|
| 395 | var res = ($(o.item || this).attr(o.attribute || 'id') || '').match(o.expression || (/(.+)[-=_](.+)/));
|
|---|
| 396 | if(res) str.push((o.key || res[1]+'[]')+'='+(o.key && o.expression ? res[1] : res[2]));
|
|---|
| 397 | });
|
|---|
| 398 |
|
|---|
| 399 | return str.join('&');
|
|---|
| 400 |
|
|---|
| 401 | },
|
|---|
| 402 |
|
|---|
| 403 | toArray: function(o) {
|
|---|
| 404 |
|
|---|
| 405 | var items = this._getItemsAsjQuery(o && o.connected);
|
|---|
| 406 | var ret = []; o = o || {};
|
|---|
| 407 |
|
|---|
| 408 | items.each(function() { ret.push($(o.item || this).attr(o.attribute || 'id') || ''); });
|
|---|
| 409 | return ret;
|
|---|
| 410 |
|
|---|
| 411 | },
|
|---|
| 412 |
|
|---|
| 413 | /* Be careful with the following core functions */
|
|---|
| 414 | _intersectsWith: function(item) {
|
|---|
| 415 |
|
|---|
| 416 | var x1 = this.positionAbs.left,
|
|---|
| 417 | x2 = x1 + this.helperProportions.width,
|
|---|
| 418 | y1 = this.positionAbs.top,
|
|---|
| 419 | y2 = y1 + this.helperProportions.height;
|
|---|
| 420 |
|
|---|
| 421 | var l = item.left,
|
|---|
| 422 | r = l + item.width,
|
|---|
| 423 | t = item.top,
|
|---|
| 424 | b = t + item.height;
|
|---|
| 425 |
|
|---|
| 426 | var dyClick = this.offset.click.top,
|
|---|
| 427 | dxClick = this.offset.click.left;
|
|---|
| 428 |
|
|---|
| 429 | var isOverElement = (y1 + dyClick) > t && (y1 + dyClick) < b && (x1 + dxClick) > l && (x1 + dxClick) < r;
|
|---|
| 430 |
|
|---|
| 431 | if( this.options.tolerance == "pointer"
|
|---|
| 432 | || this.options.forcePointerForContainers
|
|---|
| 433 | || (this.options.tolerance != "pointer" && this.helperProportions[this.floating ? 'width' : 'height'] > item[this.floating ? 'width' : 'height'])
|
|---|
| 434 | ) {
|
|---|
| 435 | return isOverElement;
|
|---|
| 436 | } else {
|
|---|
| 437 |
|
|---|
| 438 | return (l < x1 + (this.helperProportions.width / 2) // Right Half
|
|---|
| 439 | && x2 - (this.helperProportions.width / 2) < r // Left Half
|
|---|
| 440 | && t < y1 + (this.helperProportions.height / 2) // Bottom Half
|
|---|
| 441 | && y2 - (this.helperProportions.height / 2) < b ); // Top Half
|
|---|
| 442 |
|
|---|
| 443 | }
|
|---|
| 444 | },
|
|---|
| 445 |
|
|---|
| 446 | _intersectsWithPointer: function(item) {
|
|---|
| 447 |
|
|---|
| 448 | var isOverElementHeight = $.ui.isOverAxis(this.positionAbs.top + this.offset.click.top, item.top, item.height),
|
|---|
| 449 | isOverElementWidth = $.ui.isOverAxis(this.positionAbs.left + this.offset.click.left, item.left, item.width),
|
|---|
| 450 | isOverElement = isOverElementHeight && isOverElementWidth,
|
|---|
| 451 | verticalDirection = this._getDragVerticalDirection(),
|
|---|
| 452 | horizontalDirection = this._getDragHorizontalDirection();
|
|---|
| 453 |
|
|---|
| 454 | if (!isOverElement)
|
|---|
| 455 | return false;
|
|---|
| 456 |
|
|---|
| 457 | return this.floating ?
|
|---|
| 458 | ( ((horizontalDirection && horizontalDirection == "right") || verticalDirection == "down") ? 2 : 1 )
|
|---|
| 459 | : ( verticalDirection && (verticalDirection == "down" ? 2 : 1) );
|
|---|
| 460 |
|
|---|
| 461 | },
|
|---|
| 462 |
|
|---|
| 463 | _intersectsWithSides: function(item) {
|
|---|
| 464 |
|
|---|
| 465 | var isOverBottomHalf = $.ui.isOverAxis(this.positionAbs.top + this.offset.click.top, item.top + (item.height/2), item.height),
|
|---|
| 466 | isOverRightHalf = $.ui.isOverAxis(this.positionAbs.left + this.offset.click.left, item.left + (item.width/2), item.width),
|
|---|
| 467 | verticalDirection = this._getDragVerticalDirection(),
|
|---|
| 468 | horizontalDirection = this._getDragHorizontalDirection();
|
|---|
| 469 |
|
|---|
| 470 | if (this.floating && horizontalDirection) {
|
|---|
| 471 | return ((horizontalDirection == "right" && isOverRightHalf) || (horizontalDirection == "left" && !isOverRightHalf));
|
|---|
| 472 | } else {
|
|---|
| 473 | return verticalDirection && ((verticalDirection == "down" && isOverBottomHalf) || (verticalDirection == "up" && !isOverBottomHalf));
|
|---|
| 474 | }
|
|---|
| 475 |
|
|---|
| 476 | },
|
|---|
| 477 |
|
|---|
| 478 | _getDragVerticalDirection: function() {
|
|---|
| 479 | var delta = this.positionAbs.top - this.lastPositionAbs.top;
|
|---|
| 480 | return delta != 0 && (delta > 0 ? "down" : "up");
|
|---|
| 481 | },
|
|---|
| 482 |
|
|---|
| 483 | _getDragHorizontalDirection: function() {
|
|---|
| 484 | var delta = this.positionAbs.left - this.lastPositionAbs.left;
|
|---|
| 485 | return delta != 0 && (delta > 0 ? "right" : "left");
|
|---|
| 486 | },
|
|---|
| 487 |
|
|---|
| 488 | refresh: function(event) {
|
|---|
| 489 | this._refreshItems(event);
|
|---|
| 490 | this.refreshPositions();
|
|---|
| 491 | return this;
|
|---|
| 492 | },
|
|---|
| 493 |
|
|---|
| 494 | _connectWith: function() {
|
|---|
| 495 | var options = this.options;
|
|---|
| 496 | return options.connectWith.constructor == String
|
|---|
| 497 | ? [options.connectWith]
|
|---|
| 498 | : options.connectWith;
|
|---|
| 499 | },
|
|---|
| 500 |
|
|---|
| 501 | _getItemsAsjQuery: function(connected) {
|
|---|
| 502 |
|
|---|
| 503 | var self = this;
|
|---|
| 504 | var items = [];
|
|---|
| 505 | var queries = [];
|
|---|
| 506 | var connectWith = this._connectWith();
|
|---|
| 507 |
|
|---|
| 508 | if(connectWith && connected) {
|
|---|
| 509 | for (var i = connectWith.length - 1; i >= 0; i--){
|
|---|
| 510 | var cur = $(connectWith[i]);
|
|---|
| 511 | for (var j = cur.length - 1; j >= 0; j--){
|
|---|
| 512 | var inst = $.data(cur[j], 'sortable');
|
|---|
| 513 | if(inst && inst != this && !inst.options.disabled) {
|
|---|
| 514 | queries.push([$.isFunction(inst.options.items) ? inst.options.items.call(inst.element) : $(inst.options.items, inst.element).not(".ui-sortable-helper").not('.ui-sortable-placeholder'), inst]);
|
|---|
| 515 | }
|
|---|
| 516 | };
|
|---|
| 517 | };
|
|---|
| 518 | }
|
|---|
| 519 |
|
|---|
| 520 | queries.push([$.isFunction(this.options.items) ? this.options.items.call(this.element, null, { options: this.options, item: this.currentItem }) : $(this.options.items, this.element).not(".ui-sortable-helper").not('.ui-sortable-placeholder'), this]);
|
|---|
| 521 |
|
|---|
| 522 | for (var i = queries.length - 1; i >= 0; i--){
|
|---|
| 523 | queries[i][0].each(function() {
|
|---|
| 524 | items.push(this);
|
|---|
| 525 | });
|
|---|
| 526 | };
|
|---|
| 527 |
|
|---|
| 528 | return $(items);
|
|---|
| 529 |
|
|---|
| 530 | },
|
|---|
| 531 |
|
|---|
| 532 | _removeCurrentsFromItems: function() {
|
|---|
| 533 |
|
|---|
| 534 | var list = this.currentItem.find(":data(sortable-item)");
|
|---|
| 535 |
|
|---|
| 536 | for (var i=0; i < this.items.length; i++) {
|
|---|
| 537 |
|
|---|
| 538 | for (var j=0; j < list.length; j++) {
|
|---|
| 539 | if(list[j] == this.items[i].item[0])
|
|---|
| 540 | this.items.splice(i,1);
|
|---|
| 541 | };
|
|---|
| 542 |
|
|---|
| 543 | };
|
|---|
| 544 |
|
|---|
| 545 | },
|
|---|
| 546 |
|
|---|
| 547 | _refreshItems: function(event) {
|
|---|
| 548 |
|
|---|
| 549 | this.items = [];
|
|---|
| 550 | this.containers = [this];
|
|---|
| 551 | var items = this.items;
|
|---|
| 552 | var self = this;
|
|---|
| 553 | var queries = [[$.isFunction(this.options.items) ? this.options.items.call(this.element[0], event, { item: this.currentItem }) : $(this.options.items, this.element), this]];
|
|---|
| 554 | var connectWith = this._connectWith();
|
|---|
| 555 |
|
|---|
| 556 | if(connectWith) {
|
|---|
| 557 | for (var i = connectWith.length - 1; i >= 0; i--){
|
|---|
| 558 | var cur = $(connectWith[i]);
|
|---|
| 559 | for (var j = cur.length - 1; j >= 0; j--){
|
|---|
| 560 | var inst = $.data(cur[j], 'sortable');
|
|---|
| 561 | if(inst && inst != this && !inst.options.disabled) {
|
|---|
| 562 | queries.push([$.isFunction(inst.options.items) ? inst.options.items.call(inst.element[0], event, { item: this.currentItem }) : $(inst.options.items, inst.element), inst]);
|
|---|
| 563 | this.containers.push(inst);
|
|---|
| 564 | }
|
|---|
| 565 | };
|
|---|
| 566 | };
|
|---|
| 567 | }
|
|---|
| 568 |
|
|---|
| 569 | for (var i = queries.length - 1; i >= 0; i--) {
|
|---|
| 570 | var targetData = queries[i][1];
|
|---|
| 571 | var _queries = queries[i][0];
|
|---|
| 572 |
|
|---|
| 573 | for (var j=0, queriesLength = _queries.length; j < queriesLength; j++) {
|
|---|
| 574 | var item = $(_queries[j]);
|
|---|
| 575 |
|
|---|
| 576 | item.data('sortable-item', targetData); // Data for target checking (mouse manager)
|
|---|
| 577 |
|
|---|
| 578 | items.push({
|
|---|
| 579 | item: item,
|
|---|
| 580 | instance: targetData,
|
|---|
| 581 | width: 0, height: 0,
|
|---|
| 582 | left: 0, top: 0
|
|---|
| 583 | });
|
|---|
| 584 | };
|
|---|
| 585 | };
|
|---|
| 586 |
|
|---|
| 587 | },
|
|---|
| 588 |
|
|---|
| 589 | refreshPositions: function(fast) {
|
|---|
| 590 |
|
|---|
| 591 | //This has to be redone because due to the item being moved out/into the offsetParent, the offsetParent's position will change
|
|---|
| 592 | if(this.offsetParent && this.helper) {
|
|---|
| 593 | this.offset.parent = this._getParentOffset();
|
|---|
| 594 | }
|
|---|
| 595 |
|
|---|
| 596 | for (var i = this.items.length - 1; i >= 0; i--){
|
|---|
| 597 | var item = this.items[i];
|
|---|
| 598 |
|
|---|
| 599 | var t = this.options.toleranceElement ? $(this.options.toleranceElement, item.item) : item.item;
|
|---|
| 600 |
|
|---|
| 601 | if (!fast) {
|
|---|
| 602 | item.width = t.outerWidth();
|
|---|
| 603 | item.height = t.outerHeight();
|
|---|
| 604 | }
|
|---|
| 605 |
|
|---|
| 606 | var p = t.offset();
|
|---|
| 607 | item.left = p.left;
|
|---|
| 608 | item.top = p.top;
|
|---|
| 609 | };
|
|---|
| 610 |
|
|---|
| 611 | if(this.options.custom && this.options.custom.refreshContainers) {
|
|---|
| 612 | this.options.custom.refreshContainers.call(this);
|
|---|
| 613 | } else {
|
|---|
| 614 | for (var i = this.containers.length - 1; i >= 0; i--){
|
|---|
| 615 | var p = this.containers[i].element.offset();
|
|---|
| 616 | this.containers[i].containerCache.left = p.left;
|
|---|
| 617 | this.containers[i].containerCache.top = p.top;
|
|---|
| 618 | this.containers[i].containerCache.width = this.containers[i].element.outerWidth();
|
|---|
| 619 | this.containers[i].containerCache.height = this.containers[i].element.outerHeight();
|
|---|
| 620 | };
|
|---|
| 621 | }
|
|---|
| 622 |
|
|---|
| 623 | return this;
|
|---|
| 624 | },
|
|---|
| 625 |
|
|---|
| 626 | _createPlaceholder: function(that) {
|
|---|
| 627 |
|
|---|
| 628 | var self = that || this, o = self.options;
|
|---|
| 629 |
|
|---|
| 630 | if(!o.placeholder || o.placeholder.constructor == String) {
|
|---|
| 631 | var className = o.placeholder;
|
|---|
| 632 | o.placeholder = {
|
|---|
| 633 | element: function() {
|
|---|
| 634 |
|
|---|
| 635 | var el = $(document.createElement(self.currentItem[0].nodeName))
|
|---|
| 636 | .addClass(className || self.currentItem[0].className+" ui-sortable-placeholder")
|
|---|
| 637 | .removeClass("ui-sortable-helper")[0];
|
|---|
| 638 |
|
|---|
| 639 | if(!className)
|
|---|
| 640 | el.style.visibility = "hidden";
|
|---|
| 641 |
|
|---|
| 642 | return el;
|
|---|
| 643 | },
|
|---|
| 644 | update: function(container, p) {
|
|---|
| 645 |
|
|---|
| 646 | // 1. If a className is set as 'placeholder option, we don't force sizes - the class is responsible for that
|
|---|
| 647 | // 2. The option 'forcePlaceholderSize can be enabled to force it even if a class name is specified
|
|---|
| 648 | if(className && !o.forcePlaceholderSize) return;
|
|---|
| 649 |
|
|---|
| 650 | //If the element doesn't have a actual height by itself (without styles coming from a stylesheet), it receives the inline height from the dragged item
|
|---|
| 651 | if(!p.height()) { p.height(self.currentItem.innerHeight() - parseInt(self.currentItem.css('paddingTop')||0, 10) - parseInt(self.currentItem.css('paddingBottom')||0, 10)); };
|
|---|
| 652 | if(!p.width()) { p.width(self.currentItem.innerWidth() - parseInt(self.currentItem.css('paddingLeft')||0, 10) - parseInt(self.currentItem.css('paddingRight')||0, 10)); };
|
|---|
| 653 | }
|
|---|
| 654 | };
|
|---|
| 655 | }
|
|---|
| 656 |
|
|---|
| 657 | //Create the placeholder
|
|---|
| 658 | self.placeholder = $(o.placeholder.element.call(self.element, self.currentItem));
|
|---|
| 659 |
|
|---|
| 660 | //Append it after the actual current item
|
|---|
| 661 | self.currentItem.after(self.placeholder);
|
|---|
| 662 |
|
|---|
| 663 | //Update the size of the placeholder (TODO: Logic to fuzzy, see line 316/317)
|
|---|
| 664 | o.placeholder.update(self, self.placeholder);
|
|---|
| 665 |
|
|---|
| 666 | },
|
|---|
| 667 |
|
|---|
| 668 | _contactContainers: function(event) {
|
|---|
| 669 |
|
|---|
| 670 | // get innermost container that intersects with item
|
|---|
| 671 | var innermostContainer = null, innermostIndex = null;
|
|---|
| 672 |
|
|---|
| 673 |
|
|---|
| 674 | for (var i = this.containers.length - 1; i >= 0; i--){
|
|---|
| 675 |
|
|---|
| 676 | // never consider a container that's located within the item itself
|
|---|
| 677 | if($.ui.contains(this.currentItem[0], this.containers[i].element[0]))
|
|---|
| 678 | continue;
|
|---|
| 679 |
|
|---|
| 680 | if(this._intersectsWith(this.containers[i].containerCache)) {
|
|---|
| 681 |
|
|---|
| 682 | // if we've already found a container and it's more "inner" than this, then continue
|
|---|
| 683 | if(innermostContainer && $.ui.contains(this.containers[i].element[0], innermostContainer.element[0]))
|
|---|
| 684 | continue;
|
|---|
| 685 |
|
|---|
| 686 | innermostContainer = this.containers[i];
|
|---|
| 687 | innermostIndex = i;
|
|---|
| 688 |
|
|---|
| 689 | } else {
|
|---|
| 690 | // container doesn't intersect. trigger "out" event if necessary
|
|---|
| 691 | if(this.containers[i].containerCache.over) {
|
|---|
| 692 | this.containers[i]._trigger("out", event, this._uiHash(this));
|
|---|
| 693 | this.containers[i].containerCache.over = 0;
|
|---|
| 694 | }
|
|---|
| 695 | }
|
|---|
| 696 |
|
|---|
| 697 | }
|
|---|
| 698 |
|
|---|
| 699 | // if no intersecting containers found, return
|
|---|
| 700 | if(!innermostContainer) return;
|
|---|
| 701 |
|
|---|
| 702 | // move the item into the container if it's not there already
|
|---|
| 703 | if(this.currentContainer != this.containers[innermostIndex]) {
|
|---|
| 704 |
|
|---|
| 705 | //When entering a new container, we will find the item with the least distance and append our item near it
|
|---|
| 706 | var dist = 10000; var itemWithLeastDistance = null; var base = this.positionAbs[this.containers[innermostIndex].floating ? 'left' : 'top'];
|
|---|
| 707 | for (var j = this.items.length - 1; j >= 0; j--) {
|
|---|
| 708 | if(!$.ui.contains(this.containers[innermostIndex].element[0], this.items[j].item[0])) continue;
|
|---|
| 709 | var cur = this.items[j][this.containers[innermostIndex].floating ? 'left' : 'top'];
|
|---|
| 710 | if(Math.abs(cur - base) < dist) {
|
|---|
| 711 | dist = Math.abs(cur - base); itemWithLeastDistance = this.items[j];
|
|---|
| 712 | }
|
|---|
| 713 | }
|
|---|
| 714 |
|
|---|
| 715 | if(!itemWithLeastDistance && !this.options.dropOnEmpty) //Check if dropOnEmpty is enabled
|
|---|
| 716 | return;
|
|---|
| 717 |
|
|---|
| 718 | this.currentContainer = this.containers[innermostIndex];
|
|---|
| 719 | itemWithLeastDistance ? this._rearrange(event, itemWithLeastDistance, null, true) : this._rearrange(event, null, this.containers[innermostIndex].element, true);
|
|---|
| 720 | this._trigger("change", event, this._uiHash());
|
|---|
| 721 | this.containers[innermostIndex]._trigger("change", event, this._uiHash(this));
|
|---|
| 722 |
|
|---|
| 723 | //Update the placeholder
|
|---|
| 724 | this.options.placeholder.update(this.currentContainer, this.placeholder);
|
|---|
| 725 |
|
|---|
| 726 | }
|
|---|
| 727 |
|
|---|
| 728 | this.containers[innermostIndex]._trigger("over", event, this._uiHash(this));
|
|---|
| 729 | this.containers[innermostIndex].containerCache.over = 1;
|
|---|
| 730 |
|
|---|
| 731 | },
|
|---|
| 732 |
|
|---|
| 733 | _createHelper: function(event) {
|
|---|
| 734 |
|
|---|
| 735 | var o = this.options;
|
|---|
| 736 | var helper = $.isFunction(o.helper) ? $(o.helper.apply(this.element[0], [event, this.currentItem])) : (o.helper == 'clone' ? this.currentItem.clone() : this.currentItem);
|
|---|
| 737 |
|
|---|
| 738 | if(!helper.parents('body').length) //Add the helper to the DOM if that didn't happen already
|
|---|
| 739 | $(o.appendTo != 'parent' ? o.appendTo : this.currentItem[0].parentNode)[0].appendChild(helper[0]);
|
|---|
| 740 |
|
|---|
| 741 | if(helper[0] == this.currentItem[0])
|
|---|
| 742 | this._storedCSS = { width: this.currentItem[0].style.width, height: this.currentItem[0].style.height, position: this.currentItem.css("position"), top: this.currentItem.css("top"), left: this.currentItem.css("left") };
|
|---|
| 743 |
|
|---|
| 744 | if(helper[0].style.width == '' || o.forceHelperSize) helper.width(this.currentItem.width());
|
|---|
| 745 | if(helper[0].style.height == '' || o.forceHelperSize) helper.height(this.currentItem.height());
|
|---|
| 746 |
|
|---|
| 747 | return helper;
|
|---|
| 748 |
|
|---|
| 749 | },
|
|---|
| 750 |
|
|---|
| 751 | _adjustOffsetFromHelper: function(obj) {
|
|---|
| 752 | if (typeof obj == 'string') {
|
|---|
| 753 | obj = obj.split(' ');
|
|---|
| 754 | }
|
|---|
| 755 | if ($.isArray(obj)) {
|
|---|
| 756 | obj = {left: +obj[0], top: +obj[1] || 0};
|
|---|
| 757 | }
|
|---|
| 758 | if ('left' in obj) {
|
|---|
| 759 | this.offset.click.left = obj.left + this.margins.left;
|
|---|
| 760 | }
|
|---|
| 761 | if ('right' in obj) {
|
|---|
| 762 | this.offset.click.left = this.helperProportions.width - obj.right + this.margins.left;
|
|---|
| 763 | }
|
|---|
| 764 | if ('top' in obj) {
|
|---|
| 765 | this.offset.click.top = obj.top + this.margins.top;
|
|---|
| 766 | }
|
|---|
| 767 | if ('bottom' in obj) {
|
|---|
| 768 | this.offset.click.top = this.helperProportions.height - obj.bottom + this.margins.top;
|
|---|
| 769 | }
|
|---|
| 770 | },
|
|---|
| 771 |
|
|---|
| 772 | _getParentOffset: function() {
|
|---|
| 773 |
|
|---|
| 774 |
|
|---|
| 775 | //Get the offsetParent and cache its position
|
|---|
| 776 | this.offsetParent = this.helper.offsetParent();
|
|---|
| 777 | var po = this.offsetParent.offset();
|
|---|
| 778 |
|
|---|
| 779 | // This is a special case where we need to modify a offset calculated on start, since the following happened:
|
|---|
| 780 | // 1. The position of the helper is absolute, so it's position is calculated based on the next positioned parent
|
|---|
| 781 | // 2. The actual offset parent is a child of the scroll parent, and the scroll parent isn't the document, which means that
|
|---|
| 782 | // the scroll is included in the initial calculation of the offset of the parent, and never recalculated upon drag
|
|---|
| 783 | if(this.cssPosition == 'absolute' && this.scrollParent[0] != document && $.ui.contains(this.scrollParent[0], this.offsetParent[0])) {
|
|---|
| 784 | po.left += this.scrollParent.scrollLeft();
|
|---|
| 785 | po.top += this.scrollParent.scrollTop();
|
|---|
| 786 | }
|
|---|
| 787 |
|
|---|
| 788 | if((this.offsetParent[0] == document.body) //This needs to be actually done for all browsers, since pageX/pageY includes this information
|
|---|
| 789 | || (this.offsetParent[0].tagName && this.offsetParent[0].tagName.toLowerCase() == 'html' && $.browser.msie)) //Ugly IE fix
|
|---|
| 790 | po = { top: 0, left: 0 };
|
|---|
| 791 |
|
|---|
| 792 | return {
|
|---|
| 793 | top: po.top + (parseInt(this.offsetParent.css("borderTopWidth"),10) || 0),
|
|---|
| 794 | left: po.left + (parseInt(this.offsetParent.css("borderLeftWidth"),10) || 0)
|
|---|
| 795 | };
|
|---|
| 796 |
|
|---|
| 797 | },
|
|---|
| 798 |
|
|---|
| 799 | _getRelativeOffset: function() {
|
|---|
| 800 |
|
|---|
| 801 | if(this.cssPosition == "relative") {
|
|---|
| 802 | var p = this.currentItem.position();
|
|---|
| 803 | return {
|
|---|
| 804 | top: p.top - (parseInt(this.helper.css("top"),10) || 0) + this.scrollParent.scrollTop(),
|
|---|
| 805 | left: p.left - (parseInt(this.helper.css("left"),10) || 0) + this.scrollParent.scrollLeft()
|
|---|
| 806 | };
|
|---|
| 807 | } else {
|
|---|
| 808 | return { top: 0, left: 0 };
|
|---|
| 809 | }
|
|---|
| 810 |
|
|---|
| 811 | },
|
|---|
| 812 |
|
|---|
| 813 | _cacheMargins: function() {
|
|---|
| 814 | this.margins = {
|
|---|
| 815 | left: (parseInt(this.currentItem.css("marginLeft"),10) || 0),
|
|---|
| 816 | top: (parseInt(this.currentItem.css("marginTop"),10) || 0)
|
|---|
| 817 | };
|
|---|
| 818 | },
|
|---|
| 819 |
|
|---|
| 820 | _cacheHelperProportions: function() {
|
|---|
| 821 | this.helperProportions = {
|
|---|
| 822 | width: this.helper.outerWidth(),
|
|---|
| 823 | height: this.helper.outerHeight()
|
|---|
| 824 | };
|
|---|
| 825 | },
|
|---|
| 826 |
|
|---|
| 827 | _setContainment: function() {
|
|---|
| 828 |
|
|---|
| 829 | var o = this.options;
|
|---|
| 830 | if(o.containment == 'parent') o.containment = this.helper[0].parentNode;
|
|---|
| 831 | if(o.containment == 'document' || o.containment == 'window') this.containment = [
|
|---|
| 832 | 0 - this.offset.relative.left - this.offset.parent.left,
|
|---|
| 833 | 0 - this.offset.relative.top - this.offset.parent.top,
|
|---|
| 834 | $(o.containment == 'document' ? document : window).width() - this.helperProportions.width - this.margins.left,
|
|---|
| 835 | ($(o.containment == 'document' ? document : window).height() || document.body.parentNode.scrollHeight) - this.helperProportions.height - this.margins.top
|
|---|
| 836 | ];
|
|---|
| 837 |
|
|---|
| 838 | if(!(/^(document|window|parent)$/).test(o.containment)) {
|
|---|
| 839 | var ce = $(o.containment)[0];
|
|---|
| 840 | var co = $(o.containment).offset();
|
|---|
| 841 | var over = ($(ce).css("overflow") != 'hidden');
|
|---|
| 842 |
|
|---|
| 843 | this.containment = [
|
|---|
| 844 | co.left + (parseInt($(ce).css("borderLeftWidth"),10) || 0) + (parseInt($(ce).css("paddingLeft"),10) || 0) - this.margins.left,
|
|---|
| 845 | co.top + (parseInt($(ce).css("borderTopWidth"),10) || 0) + (parseInt($(ce).css("paddingTop"),10) || 0) - this.margins.top,
|
|---|
| 846 | co.left+(over ? Math.max(ce.scrollWidth,ce.offsetWidth) : ce.offsetWidth) - (parseInt($(ce).css("borderLeftWidth"),10) || 0) - (parseInt($(ce).css("paddingRight"),10) || 0) - this.helperProportions.width - this.margins.left,
|
|---|
| 847 | co.top+(over ? Math.max(ce.scrollHeight,ce.offsetHeight) : ce.offsetHeight) - (parseInt($(ce).css("borderTopWidth"),10) || 0) - (parseInt($(ce).css("paddingBottom"),10) || 0) - this.helperProportions.height - this.margins.top
|
|---|
| 848 | ];
|
|---|
| 849 | }
|
|---|
| 850 |
|
|---|
| 851 | },
|
|---|
| 852 |
|
|---|
| 853 | _convertPositionTo: function(d, pos) {
|
|---|
| 854 |
|
|---|
| 855 | if(!pos) pos = this.position;
|
|---|
| 856 | var mod = d == "absolute" ? 1 : -1;
|
|---|
| 857 | var o = this.options, scroll = this.cssPosition == 'absolute' && !(this.scrollParent[0] != document && $.ui.contains(this.scrollParent[0], this.offsetParent[0])) ? this.offsetParent : this.scrollParent, scrollIsRootNode = (/(html|body)/i).test(scroll[0].tagName);
|
|---|
| 858 |
|
|---|
| 859 | return {
|
|---|
| 860 | top: (
|
|---|
| 861 | pos.top // The absolute mouse position
|
|---|
| 862 | + this.offset.relative.top * mod // Only for relative positioned nodes: Relative offset from element to offset parent
|
|---|
| 863 | + this.offset.parent.top * mod // The offsetParent's offset without borders (offset + border)
|
|---|
| 864 | - ($.browser.safari && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ) * mod)
|
|---|
| 865 | ),
|
|---|
| 866 | left: (
|
|---|
| 867 | pos.left // The absolute mouse position
|
|---|
| 868 | + this.offset.relative.left * mod // Only for relative positioned nodes: Relative offset from element to offset parent
|
|---|
| 869 | + this.offset.parent.left * mod // The offsetParent's offset without borders (offset + border)
|
|---|
| 870 | - ($.browser.safari && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ) * mod)
|
|---|
| 871 | )
|
|---|
| 872 | };
|
|---|
| 873 |
|
|---|
| 874 | },
|
|---|
| 875 |
|
|---|
| 876 | _generatePosition: function(event) {
|
|---|
| 877 |
|
|---|
| 878 | var o = this.options, scroll = this.cssPosition == 'absolute' && !(this.scrollParent[0] != document && $.ui.contains(this.scrollParent[0], this.offsetParent[0])) ? this.offsetParent : this.scrollParent, scrollIsRootNode = (/(html|body)/i).test(scroll[0].tagName);
|
|---|
| 879 |
|
|---|
| 880 | // This is another very weird special case that only happens for relative elements:
|
|---|
| 881 | // 1. If the css position is relative
|
|---|
| 882 | // 2. and the scroll parent is the document or similar to the offset parent
|
|---|
| 883 | // we have to refresh the relative offset during the scroll so there are no jumps
|
|---|
| 884 | if(this.cssPosition == 'relative' && !(this.scrollParent[0] != document && this.scrollParent[0] != this.offsetParent[0])) {
|
|---|
| 885 | this.offset.relative = this._getRelativeOffset();
|
|---|
| 886 | }
|
|---|
| 887 |
|
|---|
| 888 | var pageX = event.pageX;
|
|---|
| 889 | var pageY = event.pageY;
|
|---|
| 890 |
|
|---|
| 891 | /*
|
|---|
| 892 | * - Position constraining -
|
|---|
| 893 | * Constrain the position to a mix of grid, containment.
|
|---|
| 894 | */
|
|---|
| 895 |
|
|---|
| 896 | if(this.originalPosition) { //If we are not dragging yet, we won't check for options
|
|---|
| 897 |
|
|---|
| 898 | if(this.containment) {
|
|---|
| 899 | if(event.pageX - this.offset.click.left < this.containment[0]) pageX = this.containment[0] + this.offset.click.left;
|
|---|
| 900 | if(event.pageY - this.offset.click.top < this.containment[1]) pageY = this.containment[1] + this.offset.click.top;
|
|---|
| 901 | if(event.pageX - this.offset.click.left > this.containment[2]) pageX = this.containment[2] + this.offset.click.left;
|
|---|
| 902 | if(event.pageY - this.offset.click.top > this.containment[3]) pageY = this.containment[3] + this.offset.click.top;
|
|---|
| 903 | }
|
|---|
| 904 |
|
|---|
| 905 | if(o.grid) {
|
|---|
| 906 | var top = this.originalPageY + Math.round((pageY - this.originalPageY) / o.grid[1]) * o.grid[1];
|
|---|
| 907 | pageY = this.containment ? (!(top - this.offset.click.top < this.containment[1] || top - this.offset.click.top > this.containment[3]) ? top : (!(top - this.offset.click.top < this.containment[1]) ? top - o.grid[1] : top + o.grid[1])) : top;
|
|---|
| 908 |
|
|---|
| 909 | var left = this.originalPageX + Math.round((pageX - this.originalPageX) / o.grid[0]) * o.grid[0];
|
|---|
| 910 | pageX = this.containment ? (!(left - this.offset.click.left < this.containment[0] || left - this.offset.click.left > this.containment[2]) ? left : (!(left - this.offset.click.left < this.containment[0]) ? left - o.grid[0] : left + o.grid[0])) : left;
|
|---|
| 911 | }
|
|---|
| 912 |
|
|---|
| 913 | }
|
|---|
| 914 |
|
|---|
| 915 | return {
|
|---|
| 916 | top: (
|
|---|
| 917 | pageY // The absolute mouse position
|
|---|
| 918 | - this.offset.click.top // Click offset (relative to the element)
|
|---|
| 919 | - this.offset.relative.top // Only for relative positioned nodes: Relative offset from element to offset parent
|
|---|
| 920 | - this.offset.parent.top // The offsetParent's offset without borders (offset + border)
|
|---|
| 921 | + ($.browser.safari && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ))
|
|---|
| 922 | ),
|
|---|
| 923 | left: (
|
|---|
| 924 | pageX // The absolute mouse position
|
|---|
| 925 | - this.offset.click.left // Click offset (relative to the element)
|
|---|
| 926 | - this.offset.relative.left // Only for relative positioned nodes: Relative offset from element to offset parent
|
|---|
| 927 | - this.offset.parent.left // The offsetParent's offset without borders (offset + border)
|
|---|
| 928 | + ($.browser.safari && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ))
|
|---|
| 929 | )
|
|---|
| 930 | };
|
|---|
| 931 |
|
|---|
| 932 | },
|
|---|
| 933 |
|
|---|
| 934 | _rearrange: function(event, i, a, hardRefresh) {
|
|---|
| 935 |
|
|---|
| 936 | a ? a[0].appendChild(this.placeholder[0]) : i.item[0].parentNode.insertBefore(this.placeholder[0], (this.direction == 'down' ? i.item[0] : i.item[0].nextSibling));
|
|---|
| 937 |
|
|---|
| 938 | //Various things done here to improve the performance:
|
|---|
| 939 | // 1. we create a setTimeout, that calls refreshPositions
|
|---|
| 940 | // 2. on the instance, we have a counter variable, that get's higher after every append
|
|---|
| 941 | // 3. on the local scope, we copy the counter variable, and check in the timeout, if it's still the same
|
|---|
| 942 | // 4. this lets only the last addition to the timeout stack through
|
|---|
| 943 | this.counter = this.counter ? ++this.counter : 1;
|
|---|
| 944 | var self = this, counter = this.counter;
|
|---|
| 945 |
|
|---|
| 946 | window.setTimeout(function() {
|
|---|
| 947 | if(counter == self.counter) self.refreshPositions(!hardRefresh); //Precompute after each DOM insertion, NOT on mousemove
|
|---|
| 948 | },0);
|
|---|
| 949 |
|
|---|
| 950 | },
|
|---|
| 951 |
|
|---|
| 952 | _clear: function(event, noPropagation) {
|
|---|
| 953 |
|
|---|
| 954 | this.reverting = false;
|
|---|
| 955 | // We delay all events that have to be triggered to after the point where the placeholder has been removed and
|
|---|
| 956 | // everything else normalized again
|
|---|
| 957 | var delayedTriggers = [], self = this;
|
|---|
| 958 |
|
|---|
| 959 | // We first have to update the dom position of the actual currentItem
|
|---|
| 960 | // Note: don't do it if the current item is already removed (by a user), or it gets reappended (see #4088)
|
|---|
| 961 | if(!this._noFinalSort && this.currentItem[0].parentNode) this.placeholder.before(this.currentItem);
|
|---|
| 962 | this._noFinalSort = null;
|
|---|
| 963 |
|
|---|
| 964 | if(this.helper[0] == this.currentItem[0]) {
|
|---|
| 965 | for(var i in this._storedCSS) {
|
|---|
| 966 | if(this._storedCSS[i] == 'auto' || this._storedCSS[i] == 'static') this._storedCSS[i] = '';
|
|---|
| 967 | }
|
|---|
| 968 | this.currentItem.css(this._storedCSS).removeClass("ui-sortable-helper");
|
|---|
| 969 | } else {
|
|---|
| 970 | this.currentItem.show();
|
|---|
| 971 | }
|
|---|
| 972 |
|
|---|
| 973 | if(this.fromOutside && !noPropagation) delayedTriggers.push(function(event) { this._trigger("receive", event, this._uiHash(this.fromOutside)); });
|
|---|
| 974 | if((this.fromOutside || this.domPosition.prev != this.currentItem.prev().not(".ui-sortable-helper")[0] || this.domPosition.parent != this.currentItem.parent()[0]) && !noPropagation) delayedTriggers.push(function(event) { this._trigger("update", event, this._uiHash()); }); //Trigger update callback if the DOM position has changed
|
|---|
| 975 | if(!$.ui.contains(this.element[0], this.currentItem[0])) { //Node was moved out of the current element
|
|---|
| 976 | if(!noPropagation) delayedTriggers.push(function(event) { this._trigger("remove", event, this._uiHash()); });
|
|---|
| 977 | for (var i = this.containers.length - 1; i >= 0; i--){
|
|---|
| 978 | if($.ui.contains(this.containers[i].element[0], this.currentItem[0]) && !noPropagation) {
|
|---|
| 979 | delayedTriggers.push((function(c) { return function(event) { c._trigger("receive", event, this._uiHash(this)); }; }).call(this, this.containers[i]));
|
|---|
| 980 | delayedTriggers.push((function(c) { return function(event) { c._trigger("update", event, this._uiHash(this)); }; }).call(this, this.containers[i]));
|
|---|
| 981 | }
|
|---|
| 982 | };
|
|---|
| 983 | };
|
|---|
| 984 |
|
|---|
| 985 | //Post events to containers
|
|---|
| 986 | for (var i = this.containers.length - 1; i >= 0; i--){
|
|---|
| 987 | if(!noPropagation) delayedTriggers.push((function(c) { return function(event) { c._trigger("deactivate", event, this._uiHash(this)); }; }).call(this, this.containers[i]));
|
|---|
| 988 | if(this.containers[i].containerCache.over) {
|
|---|
| 989 | delayedTriggers.push((function(c) { return function(event) { c._trigger("out", event, this._uiHash(this)); }; }).call(this, this.containers[i]));
|
|---|
| 990 | this.containers[i].containerCache.over = 0;
|
|---|
| 991 | }
|
|---|
| 992 | }
|
|---|
| 993 |
|
|---|
| 994 | //Do what was originally in plugins
|
|---|
| 995 | if(this._storedCursor) $('body').css("cursor", this._storedCursor); //Reset cursor
|
|---|
| 996 | if(this._storedOpacity) this.helper.css("opacity", this._storedOpacity); //Reset opacity
|
|---|
| 997 | if(this._storedZIndex) this.helper.css("zIndex", this._storedZIndex == 'auto' ? '' : this._storedZIndex); //Reset z-index
|
|---|
| 998 |
|
|---|
| 999 | this.dragging = false;
|
|---|
| 1000 | if(this.cancelHelperRemoval) {
|
|---|
| 1001 | if(!noPropagation) {
|
|---|
| 1002 | this._trigger("beforeStop", event, this._uiHash());
|
|---|
| 1003 | for (var i=0; i < delayedTriggers.length; i++) { delayedTriggers[i].call(this, event); }; //Trigger all delayed events
|
|---|
| 1004 | this._trigger("stop", event, this._uiHash());
|
|---|
| 1005 | }
|
|---|
| 1006 | return false;
|
|---|
| 1007 | }
|
|---|
| 1008 |
|
|---|
| 1009 | if(!noPropagation) this._trigger("beforeStop", event, this._uiHash());
|
|---|
| 1010 |
|
|---|
| 1011 | //$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately, it unbinds ALL events from the original node!
|
|---|
| 1012 | this.placeholder[0].parentNode.removeChild(this.placeholder[0]);
|
|---|
| 1013 |
|
|---|
| 1014 | if(this.helper[0] != this.currentItem[0]) this.helper.remove(); this.helper = null;
|
|---|
| 1015 |
|
|---|
| 1016 | if(!noPropagation) {
|
|---|
| 1017 | for (var i=0; i < delayedTriggers.length; i++) { delayedTriggers[i].call(this, event); }; //Trigger all delayed events
|
|---|
| 1018 | this._trigger("stop", event, this._uiHash());
|
|---|
| 1019 | }
|
|---|
| 1020 |
|
|---|
| 1021 | this.fromOutside = false;
|
|---|
| 1022 | return true;
|
|---|
| 1023 |
|
|---|
| 1024 | },
|
|---|
| 1025 |
|
|---|
| 1026 | _trigger: function() {
|
|---|
| 1027 | if ($.Widget.prototype._trigger.apply(this, arguments) === false) {
|
|---|
| 1028 | this.cancel();
|
|---|
| 1029 | }
|
|---|
| 1030 | },
|
|---|
| 1031 |
|
|---|
| 1032 | _uiHash: function(inst) {
|
|---|
| 1033 | var self = inst || this;
|
|---|
| 1034 | return {
|
|---|
| 1035 | helper: self.helper,
|
|---|
| 1036 | placeholder: self.placeholder || $([]),
|
|---|
| 1037 | position: self.position,
|
|---|
| 1038 | originalPosition: self.originalPosition,
|
|---|
| 1039 | offset: self.positionAbs,
|
|---|
| 1040 | item: self.currentItem,
|
|---|
| 1041 | sender: inst ? inst.element : null
|
|---|
| 1042 | };
|
|---|
| 1043 | }
|
|---|
| 1044 |
|
|---|
| 1045 | });
|
|---|
| 1046 |
|
|---|
| 1047 | $.extend($.ui.sortable, {
|
|---|
| 1048 | version: "1.8rc1",
|
|---|
| 1049 | eventPrefix: "sort"
|
|---|
| 1050 | });
|
|---|
| 1051 |
|
|---|
| 1052 | })(jQuery);
|
|---|
