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comparison src/main/webapp/imageServer/resources/js/jquery-ui-1.10.4/ui/jquery.ui.slider.js @ 7:764f47286679

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author jurzua
date Wed, 29 Oct 2014 14:28:34 +0000
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6:ded3bccf2cf9 7:764f47286679
1 /*!
2 * jQuery UI Slider 1.10.4
3 * http://jqueryui.com
4 *
5 * Copyright 2014 jQuery Foundation and other contributors
6 * Released under the MIT license.
7 * http://jquery.org/license
8 *
9 * http://api.jqueryui.com/slider/
10 *
11 * Depends:
12 * jquery.ui.core.js
13 * jquery.ui.mouse.js
14 * jquery.ui.widget.js
15 */
16 (function( $, undefined ) {
17
18 // number of pages in a slider
19 // (how many times can you page up/down to go through the whole range)
20 var numPages = 5;
21
22 $.widget( "ui.slider", $.ui.mouse, {
23 version: "1.10.4",
24 widgetEventPrefix: "slide",
25
26 options: {
27 animate: false,
28 distance: 0,
29 max: 100,
30 min: 0,
31 orientation: "horizontal",
32 range: false,
33 step: 1,
34 value: 0,
35 values: null,
36
37 // callbacks
38 change: null,
39 slide: null,
40 start: null,
41 stop: null
42 },
43
44 _create: function() {
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
59 this._refresh();
60 this._setOption( "disabled", this.options.disabled );
61
62 this._animateOff = false;
63 },
64
65 _refresh: function() {
66 this._createRange();
67 this._createHandles();
68 this._setupEvents();
69 this._refreshValue();
70 },
71
72 _createHandles: function() {
73 var i, handleCount,
74 options = this.options,
75 existingHandles = this.element.find( ".ui-slider-handle" ).addClass( "ui-state-default ui-corner-all" ),
76 handle = "<a class='ui-slider-handle ui-state-default ui-corner-all' href='#'></a>",
77 handles = [];
78
79 handleCount = ( options.values && options.values.length ) || 1;
80
81 if ( existingHandles.length > handleCount ) {
82 existingHandles.slice( handleCount ).remove();
83 existingHandles = existingHandles.slice( 0, handleCount );
84 }
85
86 for ( i = existingHandles.length; i < handleCount; i++ ) {
87 handles.push( handle );
88 }
89
90 this.handles = existingHandles.add( $( handles.join( "" ) ).appendTo( this.element ) );
91
92 this.handle = this.handles.eq( 0 );
93
94 this.handles.each(function( i ) {
95 $( this ).data( "ui-slider-handle-index", i );
96 });
97 },
98
99 _createRange: function() {
100 var options = this.options,
101 classes = "";
102
103 if ( options.range ) {
104 if ( options.range === true ) {
105 if ( !options.values ) {
106 options.values = [ this._valueMin(), this._valueMin() ];
107 } else if ( options.values.length && options.values.length !== 2 ) {
108 options.values = [ options.values[0], options.values[0] ];
109 } else if ( $.isArray( options.values ) ) {
110 options.values = options.values.slice(0);
111 }
112 }
113
114 if ( !this.range || !this.range.length ) {
115 this.range = $( "<div></div>" )
116 .appendTo( this.element );
117
118 classes = "ui-slider-range" +
119 // note: this isn't the most fittingly semantic framework class for this element,
120 // but worked best visually with a variety of themes
121 " ui-widget-header ui-corner-all";
122 } else {
123 this.range.removeClass( "ui-slider-range-min ui-slider-range-max" )
124 // Handle range switching from true to min/max
125 .css({
126 "left": "",
127 "bottom": ""
128 });
129 }
130
131 this.range.addClass( classes +
132 ( ( options.range === "min" || options.range === "max" ) ? " ui-slider-range-" + options.range : "" ) );
133 } else {
134 if ( this.range ) {
135 this.range.remove();
136 }
137 this.range = null;
138 }
139 },
140
141 _setupEvents: function() {
142 var elements = this.handles.add( this.range ).filter( "a" );
143 this._off( elements );
144 this._on( elements, this._handleEvents );
145 this._hoverable( elements );
146 this._focusable( elements );
147 },
148
149 _destroy: function() {
150 this.handles.remove();
151 if ( this.range ) {
152 this.range.remove();
153 }
154
155 this.element
156 .removeClass( "ui-slider" +
157 " ui-slider-horizontal" +
158 " ui-slider-vertical" +
159 " ui-widget" +
160 " ui-widget-content" +
161 " ui-corner-all" );
162
163 this._mouseDestroy();
164 },
165
166 _mouseCapture: function( event ) {
167 var position, normValue, distance, closestHandle, index, allowed, offset, mouseOverHandle,
168 that = this,
169 o = this.options;
170
171 if ( o.disabled ) {
172 return false;
173 }
174
175 this.elementSize = {
176 width: this.element.outerWidth(),
177 height: this.element.outerHeight()
178 };
179 this.elementOffset = this.element.offset();
180
181 position = { x: event.pageX, y: event.pageY };
182 normValue = this._normValueFromMouse( position );
183 distance = this._valueMax() - this._valueMin() + 1;
184 this.handles.each(function( i ) {
185 var thisDistance = Math.abs( normValue - that.values(i) );
186 if (( distance > thisDistance ) ||
187 ( distance === thisDistance &&
188 (i === that._lastChangedValue || that.values(i) === o.min ))) {
189 distance = thisDistance;
190 closestHandle = $( this );
191 index = i;
192 }
193 });
194
195 allowed = this._start( event, index );
196 if ( allowed === false ) {
197 return false;
198 }
199 this._mouseSliding = true;
200
201 this._handleIndex = index;
202
203 closestHandle
204 .addClass( "ui-state-active" )
205 .focus();
206
207 offset = closestHandle.offset();
208 mouseOverHandle = !$( event.target ).parents().addBack().is( ".ui-slider-handle" );
209 this._clickOffset = mouseOverHandle ? { left: 0, top: 0 } : {
210 left: event.pageX - offset.left - ( closestHandle.width() / 2 ),
211 top: event.pageY - offset.top -
212 ( closestHandle.height() / 2 ) -
213 ( parseInt( closestHandle.css("borderTopWidth"), 10 ) || 0 ) -
214 ( parseInt( closestHandle.css("borderBottomWidth"), 10 ) || 0) +
215 ( parseInt( closestHandle.css("marginTop"), 10 ) || 0)
216 };
217
218 if ( !this.handles.hasClass( "ui-state-hover" ) ) {
219 this._slide( event, index, normValue );
220 }
221 this._animateOff = true;
222 return true;
223 },
224
225 _mouseStart: function() {
226 return true;
227 },
228
229 _mouseDrag: function( event ) {
230 var position = { x: event.pageX, y: event.pageY },
231 normValue = this._normValueFromMouse( position );
232
233 this._slide( event, this._handleIndex, normValue );
234
235 return false;
236 },
237
238 _mouseStop: function( event ) {
239 this.handles.removeClass( "ui-state-active" );
240 this._mouseSliding = false;
241
242 this._stop( event, this._handleIndex );
243 this._change( event, this._handleIndex );
244
245 this._handleIndex = null;
246 this._clickOffset = null;
247 this._animateOff = false;
248
249 return false;
250 },
251
252 _detectOrientation: function() {
253 this.orientation = ( this.options.orientation === "vertical" ) ? "vertical" : "horizontal";
254 },
255
256 _normValueFromMouse: function( position ) {
257 var pixelTotal,
258 pixelMouse,
259 percentMouse,
260 valueTotal,
261 valueMouse;
262
263 if ( this.orientation === "horizontal" ) {
264 pixelTotal = this.elementSize.width;
265 pixelMouse = position.x - this.elementOffset.left - ( this._clickOffset ? this._clickOffset.left : 0 );
266 } else {
267 pixelTotal = this.elementSize.height;
268 pixelMouse = position.y - this.elementOffset.top - ( this._clickOffset ? this._clickOffset.top : 0 );
269 }
270
271 percentMouse = ( pixelMouse / pixelTotal );
272 if ( percentMouse > 1 ) {
273 percentMouse = 1;
274 }
275 if ( percentMouse < 0 ) {
276 percentMouse = 0;
277 }
278 if ( this.orientation === "vertical" ) {
279 percentMouse = 1 - percentMouse;
280 }
281
282 valueTotal = this._valueMax() - this._valueMin();
283 valueMouse = this._valueMin() + percentMouse * valueTotal;
284
285 return this._trimAlignValue( valueMouse );
286 },
287
288 _start: function( event, index ) {
289 var uiHash = {
290 handle: this.handles[ index ],
291 value: this.value()
292 };
293 if ( this.options.values && this.options.values.length ) {
294 uiHash.value = this.values( index );
295 uiHash.values = this.values();
296 }
297 return this._trigger( "start", event, uiHash );
298 },
299
300 _slide: function( event, index, newVal ) {
301 var otherVal,
302 newValues,
303 allowed;
304
305 if ( this.options.values && this.options.values.length ) {
306 otherVal = this.values( index ? 0 : 1 );
307
308 if ( ( this.options.values.length === 2 && this.options.range === true ) &&
309 ( ( index === 0 && newVal > otherVal) || ( index === 1 && newVal < otherVal ) )
310 ) {
311 newVal = otherVal;
312 }
313
314 if ( newVal !== this.values( index ) ) {
315 newValues = this.values();
316 newValues[ index ] = newVal;
317 // A slide can be canceled by returning false from the slide callback
318 allowed = this._trigger( "slide", event, {
319 handle: this.handles[ index ],
320 value: newVal,
321 values: newValues
322 } );
323 otherVal = this.values( index ? 0 : 1 );
324 if ( allowed !== false ) {
325 this.values( index, newVal );
326 }
327 }
328 } else {
329 if ( newVal !== this.value() ) {
330 // A slide can be canceled by returning false from the slide callback
331 allowed = this._trigger( "slide", event, {
332 handle: this.handles[ index ],
333 value: newVal
334 } );
335 if ( allowed !== false ) {
336 this.value( newVal );
337 }
338 }
339 }
340 },
341
342 _stop: function( event, index ) {
343 var uiHash = {
344 handle: this.handles[ index ],
345 value: this.value()
346 };
347 if ( this.options.values && this.options.values.length ) {
348 uiHash.value = this.values( index );
349 uiHash.values = this.values();
350 }
351
352 this._trigger( "stop", event, uiHash );
353 },
354
355 _change: function( event, index ) {
356 if ( !this._keySliding && !this._mouseSliding ) {
357 var uiHash = {
358 handle: this.handles[ index ],
359 value: this.value()
360 };
361 if ( this.options.values && this.options.values.length ) {
362 uiHash.value = this.values( index );
363 uiHash.values = this.values();
364 }
365
366 //store the last changed value index for reference when handles overlap
367 this._lastChangedValue = index;
368
369 this._trigger( "change", event, uiHash );
370 }
371 },
372
373 value: function( newValue ) {
374 if ( arguments.length ) {
375 this.options.value = this._trimAlignValue( newValue );
376 this._refreshValue();
377 this._change( null, 0 );
378 return;
379 }
380
381 return this._value();
382 },
383
384 values: function( index, newValue ) {
385 var vals,
386 newValues,
387 i;
388
389 if ( arguments.length > 1 ) {
390 this.options.values[ index ] = this._trimAlignValue( newValue );
391 this._refreshValue();
392 this._change( null, index );
393 return;
394 }
395
396 if ( arguments.length ) {
397 if ( $.isArray( arguments[ 0 ] ) ) {
398 vals = this.options.values;
399 newValues = arguments[ 0 ];
400 for ( i = 0; i < vals.length; i += 1 ) {
401 vals[ i ] = this._trimAlignValue( newValues[ i ] );
402 this._change( null, i );
403 }
404 this._refreshValue();
405 } else {
406 if ( this.options.values && this.options.values.length ) {
407 return this._values( index );
408 } else {
409 return this.value();
410 }
411 }
412 } else {
413 return this._values();
414 }
415 },
416
417 _setOption: function( key, value ) {
418 var i,
419 valsLength = 0;
420
421 if ( key === "range" && this.options.range === true ) {
422 if ( value === "min" ) {
423 this.options.value = this._values( 0 );
424 this.options.values = null;
425 } else if ( value === "max" ) {
426 this.options.value = this._values( this.options.values.length-1 );
427 this.options.values = null;
428 }
429 }
430
431 if ( $.isArray( this.options.values ) ) {
432 valsLength = this.options.values.length;
433 }
434
435 $.Widget.prototype._setOption.apply( this, arguments );
436
437 switch ( key ) {
438 case "orientation":
439 this._detectOrientation();
440 this.element
441 .removeClass( "ui-slider-horizontal ui-slider-vertical" )
442 .addClass( "ui-slider-" + this.orientation );
443 this._refreshValue();
444 break;
445 case "value":
446 this._animateOff = true;
447 this._refreshValue();
448 this._change( null, 0 );
449 this._animateOff = false;
450 break;
451 case "values":
452 this._animateOff = true;
453 this._refreshValue();
454 for ( i = 0; i < valsLength; i += 1 ) {
455 this._change( null, i );
456 }
457 this._animateOff = false;
458 break;
459 case "min":
460 case "max":
461 this._animateOff = true;
462 this._refreshValue();
463 this._animateOff = false;
464 break;
465 case "range":
466 this._animateOff = true;
467 this._refresh();
468 this._animateOff = false;
469 break;
470 }
471 },
472
473 //internal value getter
474 // _value() returns value trimmed by min and max, aligned by step
475 _value: function() {
476 var val = this.options.value;
477 val = this._trimAlignValue( val );
478
479 return val;
480 },
481
482 //internal values getter
483 // _values() returns array of values trimmed by min and max, aligned by step
484 // _values( index ) returns single value trimmed by min and max, aligned by step
485 _values: function( index ) {
486 var val,
487 vals,
488 i;
489
490 if ( arguments.length ) {
491 val = this.options.values[ index ];
492 val = this._trimAlignValue( val );
493
494 return val;
495 } else if ( this.options.values && this.options.values.length ) {
496 // .slice() creates a copy of the array
497 // this copy gets trimmed by min and max and then returned
498 vals = this.options.values.slice();
499 for ( i = 0; i < vals.length; i+= 1) {
500 vals[ i ] = this._trimAlignValue( vals[ i ] );
501 }
502
503 return vals;
504 } else {
505 return [];
506 }
507 },
508
509 // returns the step-aligned value that val is closest to, between (inclusive) min and max
510 _trimAlignValue: function( val ) {
511 if ( val <= this._valueMin() ) {
512 return this._valueMin();
513 }
514 if ( val >= this._valueMax() ) {
515 return this._valueMax();
516 }
517 var step = ( this.options.step > 0 ) ? this.options.step : 1,
518 valModStep = (val - this._valueMin()) % step,
519 alignValue = val - valModStep;
520
521 if ( Math.abs(valModStep) * 2 >= step ) {
522 alignValue += ( valModStep > 0 ) ? step : ( -step );
523 }
524
525 // Since JavaScript has problems with large floats, round
526 // the final value to 5 digits after the decimal point (see #4124)
527 return parseFloat( alignValue.toFixed(5) );
528 },
529
530 _valueMin: function() {
531 return this.options.min;
532 },
533
534 _valueMax: function() {
535 return this.options.max;
536 },
537
538 _refreshValue: function() {
539 var lastValPercent, valPercent, value, valueMin, valueMax,
540 oRange = this.options.range,
541 o = this.options,
542 that = this,
543 animate = ( !this._animateOff ) ? o.animate : false,
544 _set = {};
545
546 if ( this.options.values && this.options.values.length ) {
547 this.handles.each(function( i ) {
548 valPercent = ( that.values(i) - that._valueMin() ) / ( that._valueMax() - that._valueMin() ) * 100;
549 _set[ that.orientation === "horizontal" ? "left" : "bottom" ] = valPercent + "%";
550 $( this ).stop( 1, 1 )[ animate ? "animate" : "css" ]( _set, o.animate );
551 if ( that.options.range === true ) {
552 if ( that.orientation === "horizontal" ) {
553 if ( i === 0 ) {
554 that.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( { left: valPercent + "%" }, o.animate );
555 }
556 if ( i === 1 ) {
557 that.range[ animate ? "animate" : "css" ]( { width: ( valPercent - lastValPercent ) + "%" }, { queue: false, duration: o.animate } );
558 }
559 } else {
560 if ( i === 0 ) {
561 that.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( { bottom: ( valPercent ) + "%" }, o.animate );
562 }
563 if ( i === 1 ) {
564 that.range[ animate ? "animate" : "css" ]( { height: ( valPercent - lastValPercent ) + "%" }, { queue: false, duration: o.animate } );
565 }
566 }
567 }
568 lastValPercent = valPercent;
569 });
570 } else {
571 value = this.value();
572 valueMin = this._valueMin();
573 valueMax = this._valueMax();
574 valPercent = ( valueMax !== valueMin ) ?
575 ( value - valueMin ) / ( valueMax - valueMin ) * 100 :
576 0;
577 _set[ this.orientation === "horizontal" ? "left" : "bottom" ] = valPercent + "%";
578 this.handle.stop( 1, 1 )[ animate ? "animate" : "css" ]( _set, o.animate );
579
580 if ( oRange === "min" && this.orientation === "horizontal" ) {
581 this.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( { width: valPercent + "%" }, o.animate );
582 }
583 if ( oRange === "max" && this.orientation === "horizontal" ) {
584 this.range[ animate ? "animate" : "css" ]( { width: ( 100 - valPercent ) + "%" }, { queue: false, duration: o.animate } );
585 }
586 if ( oRange === "min" && this.orientation === "vertical" ) {
587 this.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( { height: valPercent + "%" }, o.animate );
588 }
589 if ( oRange === "max" && this.orientation === "vertical" ) {
590 this.range[ animate ? "animate" : "css" ]( { height: ( 100 - valPercent ) + "%" }, { queue: false, duration: o.animate } );
591 }
592 }
593 },
594
595 _handleEvents: {
596 keydown: function( event ) {
597 var allowed, curVal, newVal, step,
598 index = $( event.target ).data( "ui-slider-handle-index" );
599
600 switch ( event.keyCode ) {
601 case $.ui.keyCode.HOME:
602 case $.ui.keyCode.END:
603 case $.ui.keyCode.PAGE_UP:
604 case $.ui.keyCode.PAGE_DOWN:
605 case $.ui.keyCode.UP:
606 case $.ui.keyCode.RIGHT:
607 case $.ui.keyCode.DOWN:
608 case $.ui.keyCode.LEFT:
609 event.preventDefault();
610 if ( !this._keySliding ) {
611 this._keySliding = true;
612 $( event.target ).addClass( "ui-state-active" );
613 allowed = this._start( event, index );
614 if ( allowed === false ) {
615 return;
616 }
617 }
618 break;
619 }
620
621 step = this.options.step;
622 if ( this.options.values && this.options.values.length ) {
623 curVal = newVal = this.values( index );
624 } else {
625 curVal = newVal = this.value();
626 }
627
628 switch ( event.keyCode ) {
629 case $.ui.keyCode.HOME:
630 newVal = this._valueMin();
631 break;
632 case $.ui.keyCode.END:
633 newVal = this._valueMax();
634 break;
635 case $.ui.keyCode.PAGE_UP:
636 newVal = this._trimAlignValue( curVal + ( (this._valueMax() - this._valueMin()) / numPages ) );
637 break;
638 case $.ui.keyCode.PAGE_DOWN:
639 newVal = this._trimAlignValue( curVal - ( (this._valueMax() - this._valueMin()) / numPages ) );
640 break;
641 case $.ui.keyCode.UP:
642 case $.ui.keyCode.RIGHT:
643 if ( curVal === this._valueMax() ) {
644 return;
645 }
646 newVal = this._trimAlignValue( curVal + step );
647 break;
648 case $.ui.keyCode.DOWN:
649 case $.ui.keyCode.LEFT:
650 if ( curVal === this._valueMin() ) {
651 return;
652 }
653 newVal = this._trimAlignValue( curVal - step );
654 break;
655 }
656
657 this._slide( event, index, newVal );
658 },
659 click: function( event ) {
660 event.preventDefault();
661 },
662 keyup: function( event ) {
663 var index = $( event.target ).data( "ui-slider-handle-index" );
664
665 if ( this._keySliding ) {
666 this._keySliding = false;
667 this._stop( event, index );
668 this._change( event, index );
669 $( event.target ).removeClass( "ui-state-active" );
670 }
671 }
672 }
673
674 });
675
676 }(jQuery));