source: main/trunk/greenstone3/web/interfaces/oran/js/jquery-ui-1.8.15/ui/jquery.ui.slider.js@ 24421

Last change on this file since 24421 was 24421, checked in by sjm84, 13 years ago

Adding a new version of jquery
  • Property svn:executable set to *
File size: 17.2 KB
Line 
1/*
2 * jQuery UI Slider 1.8.15
3 *
4 * Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
5 * Dual licensed under the MIT or GPL Version 2 licenses.
6 * http://jquery.org/license
7 *
8 * http://docs.jquery.com/UI/Slider
9 *
10 * Depends:
11 * jquery.ui.core.js
12 * jquery.ui.mouse.js
13 * jquery.ui.widget.js
14 */
15(function( $, undefined ) {
16
17// number of pages in a slider
18// (how many times can you page up/down to go through the whole range)
19var numPages = 5;
20
21$.widget( "ui.slider", $.ui.mouse, {
22
23 widgetEventPrefix: "slide",
24
25 options: {
26 animate: false,
27 distance: 0,
28 max: 100,
29 min: 0,
30 orientation: "horizontal",
31 range: false,
32 step: 1,
33 value: 0,
34 values: null
35 },
36
37 _create: function() {
38 var self = this,
39 o = this.options,
40 existingHandles = this.element.find( ".ui-slider-handle" ).addClass( "ui-state-default ui-corner-all" ),
41 handle = "<a class='ui-slider-handle ui-state-default ui-corner-all' href='#'></a>",
42 handleCount = ( o.values && o.values.length ) || 1,
43 handles = [];
44
45 this._keySliding = false;
46 this._mouseSliding = false;
47 this._animateOff = true;
48 this._handleIndex = null;
49 this._detectOrientation();
50 this._mouseInit();
51
52 this.element
53 .addClass( "ui-slider" +
54 " ui-slider-" + this.orientation +
55 " ui-widget" +
56 " ui-widget-content" +
57 " ui-corner-all" +
58 ( o.disabled ? " ui-slider-disabled ui-disabled" : "" ) );
59
60 this.range = $([]);
61
62 if ( o.range ) {
63 if ( o.range === true ) {
64 if ( !o.values ) {
65 o.values = [ this._valueMin(), this._valueMin() ];
66 }
67 if ( o.values.length && o.values.length !== 2 ) {
68 o.values = [ o.values[0], o.values[0] ];
69 }
70 }
71
72 this.range = $( "<div></div>" )
73 .appendTo( this.element )
74 .addClass( "ui-slider-range" +
75 // note: this isn't the most fittingly semantic framework class for this element,
76 // but worked best visually with a variety of themes
77 " ui-widget-header" +
78 ( ( o.range === "min" || o.range === "max" ) ? " ui-slider-range-" + o.range : "" ) );
79 }
80
81 for ( var i = existingHandles.length; i < handleCount; i += 1 ) {
82 handles.push( handle );
83 }
84
85 this.handles = existingHandles.add( $( handles.join( "" ) ).appendTo( self.element ) );
86
87 this.handle = this.handles.eq( 0 );
88
89 this.handles.add( this.range ).filter( "a" )
90 .click(function( event ) {
91 event.preventDefault();
92 })
93 .hover(function() {
94 if ( !o.disabled ) {
95 $( this ).addClass( "ui-state-hover" );
96 }
97 }, function() {
98 $( this ).removeClass( "ui-state-hover" );
99 })
100 .focus(function() {
101 if ( !o.disabled ) {
102 $( ".ui-slider .ui-state-focus" ).removeClass( "ui-state-focus" );
103 $( this ).addClass( "ui-state-focus" );
104 } else {
105 $( this ).blur();
106 }
107 })
108 .blur(function() {
109 $( this ).removeClass( "ui-state-focus" );
110 });
111
112 this.handles.each(function( i ) {
113 $( this ).data( "index.ui-slider-handle", i );
114 });
115
116 this.handles
117 .keydown(function( event ) {
118 var ret = true,
119 index = $( this ).data( "index.ui-slider-handle" ),
120 allowed,
121 curVal,
122 newVal,
123 step;
124
125 if ( self.options.disabled ) {
126 return;
127 }
128
129 switch ( event.keyCode ) {
130 case $.ui.keyCode.HOME:
131 case $.ui.keyCode.END:
132 case $.ui.keyCode.PAGE_UP:
133 case $.ui.keyCode.PAGE_DOWN:
134 case $.ui.keyCode.UP:
135 case $.ui.keyCode.RIGHT:
136 case $.ui.keyCode.DOWN:
137 case $.ui.keyCode.LEFT:
138 ret = false;
139 if ( !self._keySliding ) {
140 self._keySliding = true;
141 $( this ).addClass( "ui-state-active" );
142 allowed = self._start( event, index );
143 if ( allowed === false ) {
144 return;
145 }
146 }
147 break;
148 }
149
150 step = self.options.step;
151 if ( self.options.values && self.options.values.length ) {
152 curVal = newVal = self.values( index );
153 } else {
154 curVal = newVal = self.value();
155 }
156
157 switch ( event.keyCode ) {
158 case $.ui.keyCode.HOME:
159 newVal = self._valueMin();
160 break;
161 case $.ui.keyCode.END:
162 newVal = self._valueMax();
163 break;
164 case $.ui.keyCode.PAGE_UP:
165 newVal = self._trimAlignValue( curVal + ( (self._valueMax() - self._valueMin()) / numPages ) );
166 break;
167 case $.ui.keyCode.PAGE_DOWN:
168 newVal = self._trimAlignValue( curVal - ( (self._valueMax() - self._valueMin()) / numPages ) );
169 break;
170 case $.ui.keyCode.UP:
171 case $.ui.keyCode.RIGHT:
172 if ( curVal === self._valueMax() ) {
173 return;
174 }
175 newVal = self._trimAlignValue( curVal + step );
176 break;
177 case $.ui.keyCode.DOWN:
178 case $.ui.keyCode.LEFT:
179 if ( curVal === self._valueMin() ) {
180 return;
181 }
182 newVal = self._trimAlignValue( curVal - step );
183 break;
184 }
185
186 self._slide( event, index, newVal );
187
188 return ret;
189
190 })
191 .keyup(function( event ) {
192 var index = $( this ).data( "index.ui-slider-handle" );
193
194 if ( self._keySliding ) {
195 self._keySliding = false;
196 self._stop( event, index );
197 self._change( event, index );
198 $( this ).removeClass( "ui-state-active" );
199 }
200
201 });
202
203 this._refreshValue();
204
205 this._animateOff = false;
206 },
207
208 destroy: function() {
209 this.handles.remove();
210 this.range.remove();
211
212 this.element
213 .removeClass( "ui-slider" +
214 " ui-slider-horizontal" +
215 " ui-slider-vertical" +
216 " ui-slider-disabled" +
217 " ui-widget" +
218 " ui-widget-content" +
219 " ui-corner-all" )
220 .removeData( "slider" )
221 .unbind( ".slider" );
222
223 this._mouseDestroy();
224
225 return this;
226 },
227
228 _mouseCapture: function( event ) {
229 var o = this.options,
230 position,
231 normValue,
232 distance,
233 closestHandle,
234 self,
235 index,
236 allowed,
237 offset,
238 mouseOverHandle;
239
240 if ( o.disabled ) {
241 return false;
242 }
243
244 this.elementSize = {
245 width: this.element.outerWidth(),
246 height: this.element.outerHeight()
247 };
248 this.elementOffset = this.element.offset();
249
250 position = { x: event.pageX, y: event.pageY };
251 normValue = this._normValueFromMouse( position );
252 distance = this._valueMax() - this._valueMin() + 1;
253 self = this;
254 this.handles.each(function( i ) {
255 var thisDistance = Math.abs( normValue - self.values(i) );
256 if ( distance > thisDistance ) {
257 distance = thisDistance;
258 closestHandle = $( this );
259 index = i;
260 }
261 });
262
263 // workaround for bug #3736 (if both handles of a range are at 0,
264 // the first is always used as the one with least distance,
265 // and moving it is obviously prevented by preventing negative ranges)
266 if( o.range === true && this.values(1) === o.min ) {
267 index += 1;
268 closestHandle = $( this.handles[index] );
269 }
270
271 allowed = this._start( event, index );
272 if ( allowed === false ) {
273 return false;
274 }
275 this._mouseSliding = true;
276
277 self._handleIndex = index;
278
279 closestHandle
280 .addClass( "ui-state-active" )
281 .focus();
282
283 offset = closestHandle.offset();
284 mouseOverHandle = !$( event.target ).parents().andSelf().is( ".ui-slider-handle" );
285 this._clickOffset = mouseOverHandle ? { left: 0, top: 0 } : {
286 left: event.pageX - offset.left - ( closestHandle.width() / 2 ),
287 top: event.pageY - offset.top -
288 ( closestHandle.height() / 2 ) -
289 ( parseInt( closestHandle.css("borderTopWidth"), 10 ) || 0 ) -
290 ( parseInt( closestHandle.css("borderBottomWidth"), 10 ) || 0) +
291 ( parseInt( closestHandle.css("marginTop"), 10 ) || 0)
292 };
293
294 if ( !this.handles.hasClass( "ui-state-hover" ) ) {
295 this._slide( event, index, normValue );
296 }
297 this._animateOff = true;
298 return true;
299 },
300
301 _mouseStart: function( event ) {
302 return true;
303 },
304
305 _mouseDrag: function( event ) {
306 var position = { x: event.pageX, y: event.pageY },
307 normValue = this._normValueFromMouse( position );
308
309 this._slide( event, this._handleIndex, normValue );
310
311 return false;
312 },
313
314 _mouseStop: function( event ) {
315 this.handles.removeClass( "ui-state-active" );
316 this._mouseSliding = false;
317
318 this._stop( event, this._handleIndex );
319 this._change( event, this._handleIndex );
320
321 this._handleIndex = null;
322 this._clickOffset = null;
323 this._animateOff = false;
324
325 return false;
326 },
327
328 _detectOrientation: function() {
329 this.orientation = ( this.options.orientation === "vertical" ) ? "vertical" : "horizontal";
330 },
331
332 _normValueFromMouse: function( position ) {
333 var pixelTotal,
334 pixelMouse,
335 percentMouse,
336 valueTotal,
337 valueMouse;
338
339 if ( this.orientation === "horizontal" ) {
340 pixelTotal = this.elementSize.width;
341 pixelMouse = position.x - this.elementOffset.left - ( this._clickOffset ? this._clickOffset.left : 0 );
342 } else {
343 pixelTotal = this.elementSize.height;
344 pixelMouse = position.y - this.elementOffset.top - ( this._clickOffset ? this._clickOffset.top : 0 );
345 }
346
347 percentMouse = ( pixelMouse / pixelTotal );
348 if ( percentMouse > 1 ) {
349 percentMouse = 1;
350 }
351 if ( percentMouse < 0 ) {
352 percentMouse = 0;
353 }
354 if ( this.orientation === "vertical" ) {
355 percentMouse = 1 - percentMouse;
356 }
357
358 valueTotal = this._valueMax() - this._valueMin();
359 valueMouse = this._valueMin() + percentMouse * valueTotal;
360
361 return this._trimAlignValue( valueMouse );
362 },
363
364 _start: function( event, index ) {
365 var uiHash = {
366 handle: this.handles[ index ],
367 value: this.value()
368 };
369 if ( this.options.values && this.options.values.length ) {
370 uiHash.value = this.values( index );
371 uiHash.values = this.values();
372 }
373 return this._trigger( "start", event, uiHash );
374 },
375
376 _slide: function( event, index, newVal ) {
377 var otherVal,
378 newValues,
379 allowed;
380
381 if ( this.options.values && this.options.values.length ) {
382 otherVal = this.values( index ? 0 : 1 );
383
384 if ( ( this.options.values.length === 2 && this.options.range === true ) &&
385 ( ( index === 0 && newVal > otherVal) || ( index === 1 && newVal < otherVal ) )
386 ) {
387 newVal = otherVal;
388 }
389
390 if ( newVal !== this.values( index ) ) {
391 newValues = this.values();
392 newValues[ index ] = newVal;
393 // A slide can be canceled by returning false from the slide callback
394 allowed = this._trigger( "slide", event, {
395 handle: this.handles[ index ],
396 value: newVal,
397 values: newValues
398 } );
399 otherVal = this.values( index ? 0 : 1 );
400 if ( allowed !== false ) {
401 this.values( index, newVal, true );
402 }
403 }
404 } else {
405 if ( newVal !== this.value() ) {
406 // A slide can be canceled by returning false from the slide callback
407 allowed = this._trigger( "slide", event, {
408 handle: this.handles[ index ],
409 value: newVal
410 } );
411 if ( allowed !== false ) {
412 this.value( newVal );
413 }
414 }
415 }
416 },
417
418 _stop: function( event, index ) {
419 var uiHash = {
420 handle: this.handles[ index ],
421 value: this.value()
422 };
423 if ( this.options.values && this.options.values.length ) {
424 uiHash.value = this.values( index );
425 uiHash.values = this.values();
426 }
427
428 this._trigger( "stop", event, uiHash );
429 },
430
431 _change: function( event, index ) {
432 if ( !this._keySliding && !this._mouseSliding ) {
433 var uiHash = {
434 handle: this.handles[ index ],
435 value: this.value()
436 };
437 if ( this.options.values && this.options.values.length ) {
438 uiHash.value = this.values( index );
439 uiHash.values = this.values();
440 }
441
442 this._trigger( "change", event, uiHash );
443 }
444 },
445
446 value: function( newValue ) {
447 if ( arguments.length ) {
448 this.options.value = this._trimAlignValue( newValue );
449 this._refreshValue();
450 this._change( null, 0 );
451 return;
452 }
453
454 return this._value();
455 },
456
457 values: function( index, newValue ) {
458 var vals,
459 newValues,
460 i;
461
462 if ( arguments.length > 1 ) {
463 this.options.values[ index ] = this._trimAlignValue( newValue );
464 this._refreshValue();
465 this._change( null, index );
466 return;
467 }
468
469 if ( arguments.length ) {
470 if ( $.isArray( arguments[ 0 ] ) ) {
471 vals = this.options.values;
472 newValues = arguments[ 0 ];
473 for ( i = 0; i < vals.length; i += 1 ) {
474 vals[ i ] = this._trimAlignValue( newValues[ i ] );
475 this._change( null, i );
476 }
477 this._refreshValue();
478 } else {
479 if ( this.options.values && this.options.values.length ) {
480 return this._values( index );
481 } else {
482 return this.value();
483 }
484 }
485 } else {
486 return this._values();
487 }
488 },
489
490 _setOption: function( key, value ) {
491 var i,
492 valsLength = 0;
493
494 if ( $.isArray( this.options.values ) ) {
495 valsLength = this.options.values.length;
496 }
497
498 $.Widget.prototype._setOption.apply( this, arguments );
499
500 switch ( key ) {
501 case "disabled":
502 if ( value ) {
503 this.handles.filter( ".ui-state-focus" ).blur();
504 this.handles.removeClass( "ui-state-hover" );
505 this.handles.propAttr( "disabled", true );
506 this.element.addClass( "ui-disabled" );
507 } else {
508 this.handles.propAttr( "disabled", false );
509 this.element.removeClass( "ui-disabled" );
510 }
511 break;
512 case "orientation":
513 this._detectOrientation();
514 this.element
515 .removeClass( "ui-slider-horizontal ui-slider-vertical" )
516 .addClass( "ui-slider-" + this.orientation );
517 this._refreshValue();
518 break;
519 case "value":
520 this._animateOff = true;
521 this._refreshValue();
522 this._change( null, 0 );
523 this._animateOff = false;
524 break;
525 case "values":
526 this._animateOff = true;
527 this._refreshValue();
528 for ( i = 0; i < valsLength; i += 1 ) {
529 this._change( null, i );
530 }
531 this._animateOff = false;
532 break;
533 }
534 },
535
536 //internal value getter
537 // _value() returns value trimmed by min and max, aligned by step
538 _value: function() {
539 var val = this.options.value;
540 val = this._trimAlignValue( val );
541
542 return val;
543 },
544
545 //internal values getter
546 // _values() returns array of values trimmed by min and max, aligned by step
547 // _values( index ) returns single value trimmed by min and max, aligned by step
548 _values: function( index ) {
549 var val,
550 vals,
551 i;
552
553 if ( arguments.length ) {
554 val = this.options.values[ index ];
555 val = this._trimAlignValue( val );
556
557 return val;
558 } else {
559 // .slice() creates a copy of the array
560 // this copy gets trimmed by min and max and then returned
561 vals = this.options.values.slice();
562 for ( i = 0; i < vals.length; i+= 1) {
563 vals[ i ] = this._trimAlignValue( vals[ i ] );
564 }
565
566 return vals;
567 }
568 },
569
570 // returns the step-aligned value that val is closest to, between (inclusive) min and max
571 _trimAlignValue: function( val ) {
572 if ( val <= this._valueMin() ) {
573 return this._valueMin();
574 }
575 if ( val >= this._valueMax() ) {
576 return this._valueMax();
577 }
578 var step = ( this.options.step > 0 ) ? this.options.step : 1,
579 valModStep = (val - this._valueMin()) % step,
580 alignValue = val - valModStep;
581
582 if ( Math.abs(valModStep) * 2 >= step ) {
583 alignValue += ( valModStep > 0 ) ? step : ( -step );
584 }
585
586 // Since JavaScript has problems with large floats, round
587 // the final value to 5 digits after the decimal point (see #4124)
588 return parseFloat( alignValue.toFixed(5) );
589 },
590
591 _valueMin: function() {
592 return this.options.min;
593 },
594
595 _valueMax: function() {
596 return this.options.max;
597 },
598
599 _refreshValue: function() {
600 var oRange = this.options.range,
601 o = this.options,
602 self = this,
603 animate = ( !this._animateOff ) ? o.animate : false,
604 valPercent,
605 _set = {},
606 lastValPercent,
607 value,
608 valueMin,
609 valueMax;
610
611 if ( this.options.values && this.options.values.length ) {
612 this.handles.each(function( i, j ) {
613 valPercent = ( self.values(i) - self._valueMin() ) / ( self._valueMax() - self._valueMin() ) * 100;
614 _set[ self.orientation === "horizontal" ? "left" : "bottom" ] = valPercent + "%";
615 $( this ).stop( 1, 1 )[ animate ? "animate" : "css" ]( _set, o.animate );
616 if ( self.options.range === true ) {
617 if ( self.orientation === "horizontal" ) {
618 if ( i === 0 ) {
619 self.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( { left: valPercent + "%" }, o.animate );
620 }
621 if ( i === 1 ) {
622 self.range[ animate ? "animate" : "css" ]( { width: ( valPercent - lastValPercent ) + "%" }, { queue: false, duration: o.animate } );
623 }
624 } else {
625 if ( i === 0 ) {
626 self.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( { bottom: ( valPercent ) + "%" }, o.animate );
627 }
628 if ( i === 1 ) {
629 self.range[ animate ? "animate" : "css" ]( { height: ( valPercent - lastValPercent ) + "%" }, { queue: false, duration: o.animate } );
630 }
631 }
632 }
633 lastValPercent = valPercent;
634 });
635 } else {
636 value = this.value();
637 valueMin = this._valueMin();
638 valueMax = this._valueMax();
639 valPercent = ( valueMax !== valueMin ) ?
640 ( value - valueMin ) / ( valueMax - valueMin ) * 100 :
641 0;
642 _set[ self.orientation === "horizontal" ? "left" : "bottom" ] = valPercent + "%";
643 this.handle.stop( 1, 1 )[ animate ? "animate" : "css" ]( _set, o.animate );
644
645 if ( oRange === "min" && this.orientation === "horizontal" ) {
646 this.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( { width: valPercent + "%" }, o.animate );
647 }
648 if ( oRange === "max" && this.orientation === "horizontal" ) {
649 this.range[ animate ? "animate" : "css" ]( { width: ( 100 - valPercent ) + "%" }, { queue: false, duration: o.animate } );
650 }
651 if ( oRange === "min" && this.orientation === "vertical" ) {
652 this.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( { height: valPercent + "%" }, o.animate );
653 }
654 if ( oRange === "max" && this.orientation === "vertical" ) {
655 this.range[ animate ? "animate" : "css" ]( { height: ( 100 - valPercent ) + "%" }, { queue: false, duration: o.animate } );
656 }
657 }
658 }
659
660});
661
662$.extend( $.ui.slider, {
663 version: "1.8.15"
664});
665
666}(jQuery));
Note: See TracBrowser for help on using the repository browser.