0
|
1 /*
|
|
2 Copyright (c) 2009, Yahoo! Inc. All rights reserved.
|
|
3 Code licensed under the BSD License:
|
|
4 http://developer.yahoo.net/yui/license.txt
|
|
5 version: 2.8.0r4
|
|
6 */
|
|
7 /**
|
|
8 *
|
|
9 * @module progressbar
|
|
10 * @requires yahoo, dom, event, element
|
|
11 * @optional animation
|
|
12 * @title ProgressBar Widget
|
|
13 */
|
|
14
|
|
15 (function () {
|
|
16 var Dom = YAHOO.util.Dom,
|
|
17 Lang = YAHOO.lang,
|
|
18 // ClassNames
|
|
19 CLASS_PROGBAR = 'yui-pb',
|
|
20 CLASS_MASK = CLASS_PROGBAR + '-mask',
|
|
21 CLASS_BAR = CLASS_PROGBAR + '-bar',
|
|
22 CLASS_ANIM = CLASS_PROGBAR + '-anim',
|
|
23 CLASS_TL = CLASS_PROGBAR + '-tl',
|
|
24 CLASS_TR = CLASS_PROGBAR + '-tr',
|
|
25 CLASS_BL = CLASS_PROGBAR + '-bl',
|
|
26 CLASS_BR = CLASS_PROGBAR + '-br',
|
|
27
|
|
28 // Configuration attributes
|
|
29 WIDTH = 'width',
|
|
30 HEIGHT = 'height',
|
|
31 MIN_VALUE = 'minValue',
|
|
32 MAX_VALUE = 'maxValue',
|
|
33 VALUE = 'value',
|
|
34 ANIM = 'anim',
|
|
35 DIRECTION = 'direction',
|
|
36 DIRECTION_LTR = 'ltr',
|
|
37 DIRECTION_RTL = 'rtl',
|
|
38 DIRECTION_TTB = 'ttb',
|
|
39 DIRECTION_BTT = 'btt',
|
|
40 BAR_EL = 'barEl',
|
|
41 MASK_EL = 'maskEl',
|
|
42 ARIA_TEXT_TEMPLATE = 'ariaTextTemplate',
|
|
43
|
|
44 // Events
|
|
45 START = 'start',
|
|
46 PROGRESS = 'progress',
|
|
47 COMPLETE = 'complete';
|
|
48
|
|
49 /**
|
|
50 * The ProgressBar widget provides an easy way to draw a bar depicting progress of an operation,
|
|
51 * a level meter, rating or any such simple linear measure.
|
|
52 * It allows for highly customized styles including animation, vertical or horizontal and forward or reverse.
|
|
53 * @namespace YAHOO.widget
|
|
54 * @class ProgressBar
|
|
55 * @extends YAHOO.util.Element
|
|
56 * @param oConfigs {object} An object containing any configuration attributes to be set
|
|
57 * @constructor
|
|
58 */
|
|
59 var Prog = function(oConfigs) {
|
|
60
|
|
61 Prog.superclass.constructor.call(this, document.createElement('div') , oConfigs);
|
|
62 this._init(oConfigs);
|
|
63
|
|
64 };
|
|
65
|
|
66 YAHOO.widget.ProgressBar = Prog;
|
|
67
|
|
68 /**
|
|
69 * String containing the HTML string which is the basis for the Progress Bar.
|
|
70 *
|
|
71 * @property ProgressBar.MARKUP
|
|
72 * @type String
|
|
73 * @static
|
|
74 * @final
|
|
75 * @default (too long)
|
|
76 */
|
|
77 Prog.MARKUP = [
|
|
78 '<div class="',
|
|
79 CLASS_BAR,
|
|
80 '"></div><div class="',
|
|
81 CLASS_MASK,
|
|
82 '"><div class="',
|
|
83 CLASS_TL,
|
|
84 '"></div><div class="',
|
|
85 CLASS_TR,
|
|
86 '"></div><div class="',
|
|
87 CLASS_BL,
|
|
88 '"></div><div class="',
|
|
89 CLASS_BR,
|
|
90 '"></div></div>'
|
|
91 ].join('');
|
|
92
|
|
93
|
|
94 Lang.extend(Prog, YAHOO.util.Element, {
|
|
95 /**
|
|
96 * Initialization code for the widget, separate from the constructor to allow for overriding/patching.
|
|
97 * It is called after <a href="#method_initAttributes">initAttributes</a>
|
|
98 *
|
|
99 * @method _init
|
|
100 * @param oConfigs {Object} (Optional) Object literal definition of configuration values.
|
|
101 * @protected
|
|
102 */
|
|
103 _init: function (oConfigs) {
|
|
104 /**
|
|
105 * Fires when the value is about to change. It reports the starting value
|
|
106 * @event start
|
|
107 * @type CustomEvent
|
|
108 * @param value {Number} the current (initial) value
|
|
109 */
|
|
110 // No actual creation required, event will be created when subscribed to
|
|
111 //this.createEvent(START);
|
|
112 /**
|
|
113 * If animation is active, it will trigger several times during the animation providing intermediate values
|
|
114 * If animation is not active, it will fire only once providing the end value
|
|
115 * @event progress
|
|
116 * @type CustomEvent
|
|
117 * @param value{Number} the current, changing value
|
|
118 */
|
|
119 // No actual creation required, event will be created when subscribed to
|
|
120 //this.createEvent(PROGRESS);
|
|
121 /**
|
|
122 * Fires at the end of the animation or immediately upon changing values if animation is not loaded
|
|
123 * @event complete
|
|
124 * @type CustomEvent
|
|
125 * @param value {Number} the current (final) value
|
|
126 */
|
|
127 // No actual creation required, event will be created when listened to
|
|
128 //this.createEvent(COMPLETE);
|
|
129
|
|
130
|
|
131 },
|
|
132 /**
|
|
133 * Implementation of Element's abstract method. Sets up config values.
|
|
134 *
|
|
135 * @method initAttributes
|
|
136 * @param oConfigs {Object} (Optional) Object literal definition of configuration values.
|
|
137 * @private
|
|
138 */
|
|
139 initAttributes: function (oConfigs) {
|
|
140
|
|
141 Prog.superclass.initAttributes.call(this, oConfigs);
|
|
142 this.set('innerHTML',Prog.MARKUP);
|
|
143 this.addClass(CLASS_PROGBAR);
|
|
144
|
|
145 // I need to apply at least the following styles, if present in oConfigs,
|
|
146 // to the ProgressBar so when it later reads the width and height,
|
|
147 // they are already set to the correct values.
|
|
148 // id is important because it can be used as a CSS selector.
|
|
149 var key, presets = ['id',WIDTH,HEIGHT,'class','style'];
|
|
150 while((key = presets.pop())) {
|
|
151 if (key in oConfigs) {
|
|
152 this.set(key,oConfigs[key]);
|
|
153 }
|
|
154 }
|
|
155
|
|
156
|
|
157 /**
|
|
158 * @attribute barEl
|
|
159 * @description Reference to the HTML object that makes the moving bar (read-only)
|
|
160 * @type HTMLElement (div)
|
|
161 * @readonly
|
|
162 */
|
|
163 this.setAttributeConfig(BAR_EL, {
|
|
164 readOnly: true,
|
|
165 value: this.getElementsByClassName(CLASS_BAR)[0]
|
|
166 });
|
|
167 /**
|
|
168 * @attribute maskEl
|
|
169 * @description Reference to the HTML object that overlays the bar providing the mask. (read-only)
|
|
170 * @type HTMLElement (table)
|
|
171 * @readonly
|
|
172 */
|
|
173 this.setAttributeConfig(MASK_EL, {
|
|
174 readOnly: true,
|
|
175 value: this.getElementsByClassName(CLASS_MASK)[0]
|
|
176 });
|
|
177
|
|
178
|
|
179 /**
|
|
180 * @attribute direction
|
|
181 * @description Direction of movement of the bar.
|
|
182 * It can be any of 'ltr' (left to right), 'rtl' (the reverse) , 'ttb' (top to bottom) or 'btt'.
|
|
183 * Can only be set once and only before rendering.
|
|
184 * @default 'ltr'
|
|
185 * @type String (any of "ltr", "rtl", "ttb" or "btt")
|
|
186 */
|
|
187 this.setAttributeConfig(DIRECTION, {
|
|
188 value:DIRECTION_LTR,
|
|
189 validator:function(value) {
|
|
190 if (this._rendered) { return false; }
|
|
191 switch (value) {
|
|
192 case DIRECTION_LTR:
|
|
193 case DIRECTION_RTL:
|
|
194 case DIRECTION_TTB:
|
|
195 case DIRECTION_BTT:
|
|
196 return true;
|
|
197 default:
|
|
198 return false;
|
|
199 }
|
|
200 },
|
|
201 method: function(value) {
|
|
202 this._barSizeFunction = this._barSizeFunctions[this.get(ANIM)?1:0][value];
|
|
203 }
|
|
204 });
|
|
205
|
|
206 /**
|
|
207 * @attribute maxValue
|
|
208 * @description Represents the top value for the bar.
|
|
209 * The bar will be fully extended when reaching this value.
|
|
210 * Values higher than this will be ignored.
|
|
211 * @default 100
|
|
212 * @type Number
|
|
213 */
|
|
214 this.setAttributeConfig(MAX_VALUE, {
|
|
215 value: 100,
|
|
216 validator: Lang.isNumber,
|
|
217 method: function (value) {
|
|
218 this.get('element').setAttribute('aria-valuemax',value);
|
|
219 if (this.get(VALUE) > value) { this.set(VALUE,value); }
|
|
220 }
|
|
221 });
|
|
222
|
|
223 /**
|
|
224 * @attribute minValue
|
|
225 * @description Represents the lowest value for the bar.
|
|
226 * The bar will be totally collapsed when reaching this value.
|
|
227 * Values lower than this will be ignored.
|
|
228 * @default 0
|
|
229 * @type Number
|
|
230 */
|
|
231
|
|
232 this.setAttributeConfig(MIN_VALUE, {
|
|
233 value: 0,
|
|
234 validator: Lang.isNumber,
|
|
235 method: function (value) {
|
|
236 this.get('element').setAttribute('aria-valuemin',value);
|
|
237 if (this.get(VALUE) < value) { this.set(VALUE,value); }
|
|
238 }
|
|
239 });
|
|
240 /**
|
|
241 * @attribute width
|
|
242 * @description Width of the ProgressBar.
|
|
243 * If a number, it will be assumed to be in pixels.
|
|
244 * If a string it should be a valid setting for the CSS width attribute.
|
|
245 * It will always be returned as a string including units.
|
|
246 * @default "200px"
|
|
247 * @type Number or String
|
|
248 */
|
|
249
|
|
250 this.setAttributeConfig(WIDTH, {
|
|
251 getter: function() {
|
|
252 return this.getStyle(WIDTH);
|
|
253 },
|
|
254 method: this._widthChange
|
|
255 });
|
|
256
|
|
257
|
|
258 /**
|
|
259 * @attribute height
|
|
260 * @description Height of the ProgressBar.
|
|
261 * If a number, it will be assumed to be in pixels.
|
|
262 * If a string it should be a valid setting for the CSS height attribute.
|
|
263 * It will always be returned as a string including units.
|
|
264 * @default "20px"
|
|
265 * @type Number or String
|
|
266 */
|
|
267 this.setAttributeConfig(HEIGHT, {
|
|
268 getter:function() {
|
|
269 return this.getStyle(HEIGHT);
|
|
270 },
|
|
271 method: this._heightChange
|
|
272 });
|
|
273
|
|
274
|
|
275
|
|
276 /**
|
|
277 * @attribute ariaTextTemplate
|
|
278 * @description Text to be voiced by screen readers.
|
|
279 * The text is processed by <a href="YAHOO.lang.html#method_substitute">YAHOO.lang.substitute</a>.
|
|
280 * It can use the placeholders {value}, {minValue} and {maxValue}
|
|
281 * @default "{value}"
|
|
282 * @type String
|
|
283 */
|
|
284 this.setAttributeConfig(ARIA_TEXT_TEMPLATE, {
|
|
285 value:'{value}'
|
|
286 });
|
|
287
|
|
288 /**
|
|
289 * @attribute value
|
|
290 * @description The value for the bar.
|
|
291 * Valid values are in between the minValue and maxValue attributes.
|
|
292 * @default 0
|
|
293 * @type Number
|
|
294 */
|
|
295 this.setAttributeConfig(VALUE, {
|
|
296 value: 0,
|
|
297 validator: function(value) {
|
|
298 return Lang.isNumber(value) && value >= this.get(MIN_VALUE) && value <= this.get(MAX_VALUE);
|
|
299 },
|
|
300 method: this._valueChange
|
|
301 });
|
|
302
|
|
303 /**
|
|
304 * @attribute anim
|
|
305 * @description it accepts either a boolean (recommended) or an instance of <a href="YAHOO.util.Anim.html">YAHOO.util.Anim</a>.
|
|
306 * If a boolean, it will enable/disable animation creating its own instance of the animation utility.
|
|
307 * If given an instance of <a href="YAHOO.util.Anim.html">YAHOO.util.Anim</a> it will use that instance.
|
|
308 * The <a href="YAHOO.util.Anim.html">animation</a> utility needs to be loaded.
|
|
309 * When read, it returns the instance of the animation utility in use or null if none.
|
|
310 * It can be used to set the animation parameters such as easing methods or duration.
|
|
311 * @default null
|
|
312 * @type {boolean} or {instance of YAHOO.util.Anim}
|
|
313 */
|
|
314 this.setAttributeConfig(ANIM, {
|
|
315 validator: function(value) {
|
|
316 return !!YAHOO.util.Anim;
|
|
317 },
|
|
318 setter: this._animSetter
|
|
319 });
|
|
320
|
|
321
|
|
322 },
|
|
323 /**
|
|
324 * Renders the ProgressBar into the given container.
|
|
325 * If the container has other content, the ProgressBar will be appended to it.
|
|
326 * If the second argument is provided, the ProgressBar will be inserted before the given child.
|
|
327 * The method is chainable since it returns a reference to this instance.
|
|
328 * @method render
|
|
329 * @param el {HTML Element} HTML element that will contain the ProgressBar
|
|
330 * @param before {HTML Element} (optional) If present, the ProgressBar will be inserted before this element.
|
|
331 * @return {YAHOO.widget.ProgressBar}
|
|
332 * @chainable
|
|
333 */
|
|
334 render: function(parent,before) {
|
|
335
|
|
336 if (this._rendered) { return; }
|
|
337 this._rendered = true;
|
|
338
|
|
339 var direction = this.get(DIRECTION);
|
|
340
|
|
341 // If the developer set a className attribute on initialization,
|
|
342 // Element would have wiped out my own classNames
|
|
343 // So I need to insist on them, plus add the one for direction.
|
|
344 this.addClass(CLASS_PROGBAR);
|
|
345 this.addClass(CLASS_PROGBAR + '-' + direction);
|
|
346
|
|
347 var container = this.get('element');
|
|
348 container.tabIndex = 0;
|
|
349 container.setAttribute('role','progressbar');
|
|
350 container.setAttribute('aria-valuemin',this.get(MIN_VALUE));
|
|
351 container.setAttribute('aria-valuemax',this.get(MAX_VALUE));
|
|
352
|
|
353 this.appendTo(parent,before);
|
|
354
|
|
355
|
|
356 // I need to use the non-animated bar resizing function for initial redraw
|
|
357 this._barSizeFunction = this._barSizeFunctions[0][direction];
|
|
358 this.redraw();
|
|
359 this._previousValue = this.get(VALUE);
|
|
360 this._fixEdges();
|
|
361 // I can now set the correct bar resizer
|
|
362 if (this.get(ANIM)) {
|
|
363 this._barSizeFunction = this._barSizeFunctions[1][direction];
|
|
364 }
|
|
365
|
|
366 this.on('minValueChange',this.redraw);
|
|
367 this.on('maxValueChange',this.redraw);
|
|
368
|
|
369 return this;
|
|
370 },
|
|
371
|
|
372 /**
|
|
373 * Recalculates the bar size and position and redraws it
|
|
374 * @method redraw
|
|
375 * @return void
|
|
376 */
|
|
377 redraw: function () {
|
|
378 this._recalculateConstants();
|
|
379 this._valueChange(this.get(VALUE));
|
|
380 },
|
|
381
|
|
382 /**
|
|
383 * Destroys the ProgressBar, related objects and unsubscribes from all events
|
|
384 * @method destroy
|
|
385 * @return void
|
|
386 */
|
|
387 destroy: function() {
|
|
388 this.set(ANIM,false);
|
|
389 this.unsubscribeAll();
|
|
390 var el = this.get('element');
|
|
391 if (el.parentNode) { el.parentNode.removeChild(el); }
|
|
392 },
|
|
393 /**
|
|
394 * The previous value setting for the bar. Used mostly as information to event listeners
|
|
395 * @property _previousValue
|
|
396 * @type Number
|
|
397 * @private
|
|
398 * @default 0
|
|
399 */
|
|
400 _previousValue:0,
|
|
401 /**
|
|
402 * The actual space (in pixels) available for the bar within the mask (excludes margins)
|
|
403 * @property _barSpace
|
|
404 * @type Number
|
|
405 * @private
|
|
406 * @default 100
|
|
407 */
|
|
408 _barSpace:100,
|
|
409 /**
|
|
410 * The factor to convert the actual value of the bar into pixels
|
|
411 * @property _barSpace
|
|
412 * @type Number
|
|
413 * @private
|
|
414 * @default 1
|
|
415 */
|
|
416 _barFactor:1,
|
|
417
|
|
418 /**
|
|
419 * A flag to signal that rendering has already happened
|
|
420 * @property _rendered
|
|
421 * @type boolean
|
|
422 * @private
|
|
423 * @default false
|
|
424 */
|
|
425 _rendered:false,
|
|
426
|
|
427 /**
|
|
428 * Function to be used to calculate bar size.
|
|
429 * It is picked from <a href="#property_barSizeFunctions">_barSizeFunctions</a>
|
|
430 * depending on direction and whether animation is active.
|
|
431 * @property _barSizeFunction
|
|
432 * @type {function}
|
|
433 * @default null
|
|
434 * @private
|
|
435 */
|
|
436 _barSizeFunction: null,
|
|
437
|
|
438 /**
|
|
439 * Method called when the height attribute is changed
|
|
440 * @method _heightChange
|
|
441 * @param {int or string} value New height, in pixels if int or string including units
|
|
442 * @return void
|
|
443 * @private
|
|
444 */
|
|
445 _heightChange: function(value) {
|
|
446 if (Lang.isNumber(value)) {
|
|
447 value += 'px';
|
|
448 }
|
|
449 this.setStyle(HEIGHT,value);
|
|
450 this._fixEdges();
|
|
451 this.redraw();
|
|
452 },
|
|
453
|
|
454 /**
|
|
455 * Method called when the height attribute is changed
|
|
456 * @method _widthChange
|
|
457 * @param {int or string} value New width, in pixels if int or string including units
|
|
458 * @return void
|
|
459 * @private
|
|
460 */
|
|
461 _widthChange: function(value) {
|
|
462 if (Lang.isNumber(value)) {
|
|
463 value += 'px';
|
|
464 }
|
|
465 this.setStyle(WIDTH,value);
|
|
466 this._fixEdges();
|
|
467 this.redraw();
|
|
468 },
|
|
469
|
|
470 /**
|
|
471 * Due to rounding differences, some browsers fail to cover the whole area
|
|
472 * with the mask quadrants when the width or height is odd. This method
|
|
473 * stretches the lower and/or right quadrants to make the difference.
|
|
474 * @method _fixEdges
|
|
475 * @return void
|
|
476 * @private
|
|
477 */
|
|
478 _fixEdges:function() {
|
|
479 if (!this._rendered || YAHOO.env.ua.ie || YAHOO.env.ua.gecko ) { return; }
|
|
480 var maskEl = this.get(MASK_EL),
|
|
481 tlEl = Dom.getElementsByClassName(CLASS_TL,undefined,maskEl)[0],
|
|
482 trEl = Dom.getElementsByClassName(CLASS_TR,undefined,maskEl)[0],
|
|
483 blEl = Dom.getElementsByClassName(CLASS_BL,undefined,maskEl)[0],
|
|
484 brEl = Dom.getElementsByClassName(CLASS_BR,undefined,maskEl)[0],
|
|
485 newSize = (parseInt(Dom.getStyle(maskEl,HEIGHT),10) -
|
|
486 parseInt(Dom.getStyle(tlEl,HEIGHT),10)) + 'px';
|
|
487
|
|
488 Dom.setStyle(blEl,HEIGHT,newSize);
|
|
489 Dom.setStyle(brEl,HEIGHT,newSize);
|
|
490 newSize = (parseInt(Dom.getStyle(maskEl,WIDTH),10) -
|
|
491 parseInt(Dom.getStyle(tlEl,WIDTH),10)) + 'px';
|
|
492 Dom.setStyle(trEl,WIDTH,newSize);
|
|
493 Dom.setStyle(brEl,WIDTH,newSize);
|
|
494 },
|
|
495
|
|
496
|
|
497
|
|
498 /**
|
|
499 * Calculates some auxiliary values to make the rendering faster
|
|
500 * @method _recalculateConstants
|
|
501 * @return void
|
|
502 * @private
|
|
503 */
|
|
504 _recalculateConstants: function() {
|
|
505 var barEl = this.get(BAR_EL);
|
|
506
|
|
507 switch (this.get(DIRECTION)) {
|
|
508 case DIRECTION_LTR:
|
|
509 case DIRECTION_RTL:
|
|
510 this._barSpace = parseInt(this.get(WIDTH),10) -
|
|
511 (parseInt(Dom.getStyle(barEl,'marginLeft'),10) || 0) -
|
|
512 (parseInt(Dom.getStyle(barEl,'marginRight'),10) || 0);
|
|
513 break;
|
|
514 case DIRECTION_TTB:
|
|
515 case DIRECTION_BTT:
|
|
516 this._barSpace = parseInt(this.get(HEIGHT),10) -
|
|
517 (parseInt(Dom.getStyle(barEl,'marginTop'),10) || 0)-
|
|
518 (parseInt(Dom.getStyle(barEl,'marginBottom'),10) || 0);
|
|
519 break;
|
|
520 }
|
|
521 this._barFactor = this._barSpace / (this.get(MAX_VALUE) - (this.get(MIN_VALUE) || 0)) || 1;
|
|
522 },
|
|
523
|
|
524 /**
|
|
525 * Called in response to a change in the <a href="#config_anim">anim</a> attribute.
|
|
526 * It creates and sets up or destroys the instance of the animation utility that will move the bar
|
|
527 * @method _animSetter
|
|
528 * @return void
|
|
529 * @private
|
|
530 */
|
|
531 _animSetter: function (value) {
|
|
532 var anim, barEl = this.get(BAR_EL);
|
|
533 if (value) {
|
|
534 if (value instanceof YAHOO.util.Anim) {
|
|
535 anim = value;
|
|
536 } else {
|
|
537 anim = new YAHOO.util.Anim(barEl);
|
|
538 }
|
|
539 anim.onTween.subscribe(this._animOnTween,this,true);
|
|
540 anim.onComplete.subscribe(this._animComplete,this,true);
|
|
541
|
|
542 // Temporary solution until http://yuilibrary.com/projects/yui2/ticket/2528222 gets solved:
|
|
543 var oldSetAttribute = anim.setAttribute,
|
|
544 pb = this;
|
|
545 switch(this.get(DIRECTION)) {
|
|
546 case DIRECTION_BTT:
|
|
547 anim.setAttribute = function(attr , val , unit) {
|
|
548 val = Math.round(val);
|
|
549 oldSetAttribute.call(this,attr,val,unit);
|
|
550 Dom.setStyle(barEl,'top',(pb._barSpace - val) + 'px');
|
|
551 };
|
|
552 break;
|
|
553 case DIRECTION_RTL:
|
|
554 anim.setAttribute = function(attr , val , unit) {
|
|
555 val = Math.round(val);
|
|
556 oldSetAttribute.call(this,attr,val,unit);
|
|
557 Dom.setStyle(barEl,'left',(pb._barSpace - val) + 'px');
|
|
558 };
|
|
559 break;
|
|
560 }
|
|
561 // up to here
|
|
562
|
|
563 } else {
|
|
564 anim = this.get(ANIM);
|
|
565 if (anim) {
|
|
566 anim.onTween.unsubscribeAll();
|
|
567 anim.onComplete.unsubscribeAll();
|
|
568 }
|
|
569 anim = null;
|
|
570 }
|
|
571 this._barSizeFunction = this._barSizeFunctions[anim?1:0][this.get(DIRECTION)];
|
|
572 return anim;
|
|
573 },
|
|
574
|
|
575 _animComplete: function() {
|
|
576 var value = this.get(VALUE);
|
|
577 this._previousValue = value;
|
|
578 this.fireEvent(PROGRESS,value);
|
|
579 this.fireEvent(COMPLETE, value);
|
|
580 Dom.removeClass(this.get(BAR_EL),CLASS_ANIM);
|
|
581 },
|
|
582 _animOnTween:function (name,oArgs) {
|
|
583 var value = Math.floor(this._tweenFactor * oArgs[0].currentFrame + this._previousValue);
|
|
584 this.fireEvent(PROGRESS,value);
|
|
585 },
|
|
586
|
|
587 /**
|
|
588 * Called in response to a change in the <a href="#config_value">value</a> attribute.
|
|
589 * Moves the bar to reflect the new value
|
|
590 * @method _valueChange
|
|
591 * @return void
|
|
592 * @private
|
|
593 */
|
|
594 _valueChange: function (value) {
|
|
595 var anim = this.get(ANIM),
|
|
596 pixelValue = Math.floor((value - this.get(MIN_VALUE)) * this._barFactor),
|
|
597 barEl = this.get(BAR_EL);
|
|
598
|
|
599 this._setAriaText(value);
|
|
600 if (this._rendered) {
|
|
601 if (anim) {
|
|
602 anim.stop();
|
|
603 if (anim.isAnimated()) { anim._onComplete.fire(); } // see: http://yuilibrary.com/projects/yui2/ticket/2528217
|
|
604 }
|
|
605 this.fireEvent(START,this._previousValue);
|
|
606 this._barSizeFunction(value, pixelValue, barEl, anim);
|
|
607 }
|
|
608 },
|
|
609
|
|
610 /**
|
|
611 * Utility method to set the ARIA value attributes
|
|
612 * @method _setAriaText
|
|
613 * @return void
|
|
614 * @private
|
|
615 */
|
|
616 _setAriaText: function(value) {
|
|
617
|
|
618 var container = this.get('element'),
|
|
619 text = Lang.substitute(this.get(ARIA_TEXT_TEMPLATE),{
|
|
620 value:value,
|
|
621 minValue:this.get(MIN_VALUE),
|
|
622 maxValue:this.get(MAX_VALUE)
|
|
623 });
|
|
624 container.setAttribute('aria-valuenow',value);
|
|
625 container.setAttribute('aria-valuetext',text);
|
|
626 }
|
|
627 });
|
|
628 /**
|
|
629 * Collection of functions used by to calculate the size of the bar.
|
|
630 * One of this will be used depending on direction and whether animation is active.
|
|
631 * @property _barSizeFunctions
|
|
632 * @type {collection of functions}
|
|
633 * @private
|
|
634 */
|
|
635 var b = [{},{}];
|
|
636 Prog.prototype._barSizeFunctions = b;
|
|
637
|
|
638 b[0][DIRECTION_LTR] = function(value, pixelValue, barEl, anim) {
|
|
639 Dom.setStyle(barEl,WIDTH, pixelValue + 'px');
|
|
640 this.fireEvent(PROGRESS,value);
|
|
641 this.fireEvent(COMPLETE,value);
|
|
642 };
|
|
643 b[0][DIRECTION_RTL] = function(value, pixelValue, barEl, anim) {
|
|
644 Dom.setStyle(barEl,WIDTH, pixelValue + 'px');
|
|
645 Dom.setStyle(barEl,'left',(this._barSpace - pixelValue) + 'px');
|
|
646 this.fireEvent(PROGRESS,value);
|
|
647 this.fireEvent(COMPLETE,value);
|
|
648 };
|
|
649 b[0][DIRECTION_TTB] = function(value, pixelValue, barEl, anim) {
|
|
650 Dom.setStyle(barEl,HEIGHT, pixelValue + 'px');
|
|
651 this.fireEvent(PROGRESS,value);
|
|
652 this.fireEvent(COMPLETE,value);
|
|
653 };
|
|
654 b[0][DIRECTION_BTT] = function(value, pixelValue, barEl, anim) {
|
|
655 Dom.setStyle(barEl,HEIGHT, pixelValue + 'px');
|
|
656 Dom.setStyle(barEl,'top', (this._barSpace - pixelValue) + 'px');
|
|
657 this.fireEvent(PROGRESS,value);
|
|
658 this.fireEvent(COMPLETE,value);
|
|
659 };
|
|
660 b[1][DIRECTION_LTR] = function(value, pixelValue, barEl, anim) {
|
|
661 Dom.addClass(barEl,CLASS_ANIM);
|
|
662 this._tweenFactor = (value - this._previousValue) / anim.totalFrames / anim.duration;
|
|
663 anim.attributes = {width:{ to: pixelValue }};
|
|
664 anim.animate();
|
|
665 };
|
|
666 b[1][DIRECTION_RTL] = b[1][DIRECTION_LTR];
|
|
667 b[1][DIRECTION_TTB] = function(value, pixelValue, barEl, anim) {
|
|
668 Dom.addClass(barEl,CLASS_ANIM);
|
|
669 this._tweenFactor = (value - this._previousValue) / anim.totalFrames / anim.duration;
|
|
670 anim.attributes = {height:{to: pixelValue}};
|
|
671 anim.animate();
|
|
672 };
|
|
673 b[1][DIRECTION_BTT] = b[1][DIRECTION_TTB];
|
|
674
|
|
675 })();
|
|
676
|
|
677 YAHOO.register("progressbar", YAHOO.widget.ProgressBar, {version: "2.8.0r4", build: "2449"});
|