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[mediawiki.git] / resources / lib / jquery.ui / jquery.ui.accordion.js
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1 /*!
2 * jQuery UI Accordion 1.9.2
3 * http://jqueryui.com
5 * Copyright 2012 jQuery Foundation and other contributors
6 * Released under the MIT license.
7 * http://jquery.org/license
9 * http://api.jqueryui.com/accordion/
11 * Depends:
12 * jquery.ui.core.js
13 * jquery.ui.widget.js
15 (function( $, undefined ) {
17 var uid = 0,
18 hideProps = {},
19 showProps = {};
21 hideProps.height = hideProps.paddingTop = hideProps.paddingBottom =
22 hideProps.borderTopWidth = hideProps.borderBottomWidth = "hide";
23 showProps.height = showProps.paddingTop = showProps.paddingBottom =
24 showProps.borderTopWidth = showProps.borderBottomWidth = "show";
26 $.widget( "ui.accordion", {
27 version: "1.9.2",
28 options: {
29 active: 0,
30 animate: {},
31 collapsible: false,
32 event: "click",
33 header: "> li > :first-child,> :not(li):even",
34 heightStyle: "auto",
35 icons: {
36 activeHeader: "ui-icon-triangle-1-s",
37 header: "ui-icon-triangle-1-e"
40 // callbacks
41 activate: null,
42 beforeActivate: null
45 _create: function() {
46 var accordionId = this.accordionId = "ui-accordion-" +
47 (this.element.attr( "id" ) || ++uid),
48 options = this.options;
50 this.prevShow = this.prevHide = $();
51 this.element.addClass( "ui-accordion ui-widget ui-helper-reset" );
53 this.headers = this.element.find( options.header )
54 .addClass( "ui-accordion-header ui-helper-reset ui-state-default ui-corner-all" );
55 this._hoverable( this.headers );
56 this._focusable( this.headers );
58 this.headers.next()
59 .addClass( "ui-accordion-content ui-helper-reset ui-widget-content ui-corner-bottom" )
60 .hide();
62 // don't allow collapsible: false and active: false / null
63 if ( !options.collapsible && (options.active === false || options.active == null) ) {
64 options.active = 0;
66 // handle negative values
67 if ( options.active < 0 ) {
68 options.active += this.headers.length;
70 this.active = this._findActive( options.active )
71 .addClass( "ui-accordion-header-active ui-state-active" )
72 .toggleClass( "ui-corner-all ui-corner-top" );
73 this.active.next()
74 .addClass( "ui-accordion-content-active" )
75 .show();
77 this._createIcons();
78 this.refresh();
80 // ARIA
81 this.element.attr( "role", "tablist" );
83 this.headers
84 .attr( "role", "tab" )
85 .each(function( i ) {
86 var header = $( this ),
87 headerId = header.attr( "id" ),
88 panel = header.next(),
89 panelId = panel.attr( "id" );
90 if ( !headerId ) {
91 headerId = accordionId + "-header-" + i;
92 header.attr( "id", headerId );
94 if ( !panelId ) {
95 panelId = accordionId + "-panel-" + i;
96 panel.attr( "id", panelId );
98 header.attr( "aria-controls", panelId );
99 panel.attr( "aria-labelledby", headerId );
101 .next()
102 .attr( "role", "tabpanel" );
104 this.headers
105 .not( this.active )
106 .attr({
107 "aria-selected": "false",
108 tabIndex: -1
110 .next()
111 .attr({
112 "aria-expanded": "false",
113 "aria-hidden": "true"
115 .hide();
117 // make sure at least one header is in the tab order
118 if ( !this.active.length ) {
119 this.headers.eq( 0 ).attr( "tabIndex", 0 );
120 } else {
121 this.active.attr({
122 "aria-selected": "true",
123 tabIndex: 0
125 .next()
126 .attr({
127 "aria-expanded": "true",
128 "aria-hidden": "false"
132 this._on( this.headers, { keydown: "_keydown" });
133 this._on( this.headers.next(), { keydown: "_panelKeyDown" });
134 this._setupEvents( options.event );
137 _getCreateEventData: function() {
138 return {
139 header: this.active,
140 content: !this.active.length ? $() : this.active.next()
144 _createIcons: function() {
145 var icons = this.options.icons;
146 if ( icons ) {
147 $( "<span>" )
148 .addClass( "ui-accordion-header-icon ui-icon " + icons.header )
149 .prependTo( this.headers );
150 this.active.children( ".ui-accordion-header-icon" )
151 .removeClass( icons.header )
152 .addClass( icons.activeHeader );
153 this.headers.addClass( "ui-accordion-icons" );
157 _destroyIcons: function() {
158 this.headers
159 .removeClass( "ui-accordion-icons" )
160 .children( ".ui-accordion-header-icon" )
161 .remove();
164 _destroy: function() {
165 var contents;
167 // clean up main element
168 this.element
169 .removeClass( "ui-accordion ui-widget ui-helper-reset" )
170 .removeAttr( "role" );
172 // clean up headers
173 this.headers
174 .removeClass( "ui-accordion-header ui-accordion-header-active ui-helper-reset ui-state-default ui-corner-all ui-state-active ui-state-disabled ui-corner-top" )
175 .removeAttr( "role" )
176 .removeAttr( "aria-selected" )
177 .removeAttr( "aria-controls" )
178 .removeAttr( "tabIndex" )
179 .each(function() {
180 if ( /^ui-accordion/.test( this.id ) ) {
181 this.removeAttribute( "id" );
184 this._destroyIcons();
186 // clean up content panels
187 contents = this.headers.next()
188 .css( "display", "" )
189 .removeAttr( "role" )
190 .removeAttr( "aria-expanded" )
191 .removeAttr( "aria-hidden" )
192 .removeAttr( "aria-labelledby" )
193 .removeClass( "ui-helper-reset ui-widget-content ui-corner-bottom ui-accordion-content ui-accordion-content-active ui-state-disabled" )
194 .each(function() {
195 if ( /^ui-accordion/.test( this.id ) ) {
196 this.removeAttribute( "id" );
199 if ( this.options.heightStyle !== "content" ) {
200 contents.css( "height", "" );
204 _setOption: function( key, value ) {
205 if ( key === "active" ) {
206 // _activate() will handle invalid values and update this.options
207 this._activate( value );
208 return;
211 if ( key === "event" ) {
212 if ( this.options.event ) {
213 this._off( this.headers, this.options.event );
215 this._setupEvents( value );
218 this._super( key, value );
220 // setting collapsible: false while collapsed; open first panel
221 if ( key === "collapsible" && !value && this.options.active === false ) {
222 this._activate( 0 );
225 if ( key === "icons" ) {
226 this._destroyIcons();
227 if ( value ) {
228 this._createIcons();
232 // #5332 - opacity doesn't cascade to positioned elements in IE
233 // so we need to add the disabled class to the headers and panels
234 if ( key === "disabled" ) {
235 this.headers.add( this.headers.next() )
236 .toggleClass( "ui-state-disabled", !!value );
240 _keydown: function( event ) {
241 if ( event.altKey || event.ctrlKey ) {
242 return;
245 var keyCode = $.ui.keyCode,
246 length = this.headers.length,
247 currentIndex = this.headers.index( event.target ),
248 toFocus = false;
250 switch ( event.keyCode ) {
251 case keyCode.RIGHT:
252 case keyCode.DOWN:
253 toFocus = this.headers[ ( currentIndex + 1 ) % length ];
254 break;
255 case keyCode.LEFT:
256 case keyCode.UP:
257 toFocus = this.headers[ ( currentIndex - 1 + length ) % length ];
258 break;
259 case keyCode.SPACE:
260 case keyCode.ENTER:
261 this._eventHandler( event );
262 break;
263 case keyCode.HOME:
264 toFocus = this.headers[ 0 ];
265 break;
266 case keyCode.END:
267 toFocus = this.headers[ length - 1 ];
268 break;
271 if ( toFocus ) {
272 $( event.target ).attr( "tabIndex", -1 );
273 $( toFocus ).attr( "tabIndex", 0 );
274 toFocus.focus();
275 event.preventDefault();
279 _panelKeyDown : function( event ) {
280 if ( event.keyCode === $.ui.keyCode.UP && event.ctrlKey ) {
281 $( event.currentTarget ).prev().focus();
285 refresh: function() {
286 var maxHeight, overflow,
287 heightStyle = this.options.heightStyle,
288 parent = this.element.parent();
291 if ( heightStyle === "fill" ) {
292 // IE 6 treats height like minHeight, so we need to turn off overflow
293 // in order to get a reliable height
294 // we use the minHeight support test because we assume that only
295 // browsers that don't support minHeight will treat height as minHeight
296 if ( !$.support.minHeight ) {
297 overflow = parent.css( "overflow" );
298 parent.css( "overflow", "hidden");
300 maxHeight = parent.height();
301 this.element.siblings( ":visible" ).each(function() {
302 var elem = $( this ),
303 position = elem.css( "position" );
305 if ( position === "absolute" || position === "fixed" ) {
306 return;
308 maxHeight -= elem.outerHeight( true );
310 if ( overflow ) {
311 parent.css( "overflow", overflow );
314 this.headers.each(function() {
315 maxHeight -= $( this ).outerHeight( true );
318 this.headers.next()
319 .each(function() {
320 $( this ).height( Math.max( 0, maxHeight -
321 $( this ).innerHeight() + $( this ).height() ) );
323 .css( "overflow", "auto" );
324 } else if ( heightStyle === "auto" ) {
325 maxHeight = 0;
326 this.headers.next()
327 .each(function() {
328 maxHeight = Math.max( maxHeight, $( this ).css( "height", "" ).height() );
330 .height( maxHeight );
334 _activate: function( index ) {
335 var active = this._findActive( index )[ 0 ];
337 // trying to activate the already active panel
338 if ( active === this.active[ 0 ] ) {
339 return;
342 // trying to collapse, simulate a click on the currently active header
343 active = active || this.active[ 0 ];
345 this._eventHandler({
346 target: active,
347 currentTarget: active,
348 preventDefault: $.noop
352 _findActive: function( selector ) {
353 return typeof selector === "number" ? this.headers.eq( selector ) : $();
356 _setupEvents: function( event ) {
357 var events = {};
358 if ( !event ) {
359 return;
361 $.each( event.split(" "), function( index, eventName ) {
362 events[ eventName ] = "_eventHandler";
364 this._on( this.headers, events );
367 _eventHandler: function( event ) {
368 var options = this.options,
369 active = this.active,
370 clicked = $( event.currentTarget ),
371 clickedIsActive = clicked[ 0 ] === active[ 0 ],
372 collapsing = clickedIsActive && options.collapsible,
373 toShow = collapsing ? $() : clicked.next(),
374 toHide = active.next(),
375 eventData = {
376 oldHeader: active,
377 oldPanel: toHide,
378 newHeader: collapsing ? $() : clicked,
379 newPanel: toShow
382 event.preventDefault();
384 if (
385 // click on active header, but not collapsible
386 ( clickedIsActive && !options.collapsible ) ||
387 // allow canceling activation
388 ( this._trigger( "beforeActivate", event, eventData ) === false ) ) {
389 return;
392 options.active = collapsing ? false : this.headers.index( clicked );
394 // when the call to ._toggle() comes after the class changes
395 // it causes a very odd bug in IE 8 (see #6720)
396 this.active = clickedIsActive ? $() : clicked;
397 this._toggle( eventData );
399 // switch classes
400 // corner classes on the previously active header stay after the animation
401 active.removeClass( "ui-accordion-header-active ui-state-active" );
402 if ( options.icons ) {
403 active.children( ".ui-accordion-header-icon" )
404 .removeClass( options.icons.activeHeader )
405 .addClass( options.icons.header );
408 if ( !clickedIsActive ) {
409 clicked
410 .removeClass( "ui-corner-all" )
411 .addClass( "ui-accordion-header-active ui-state-active ui-corner-top" );
412 if ( options.icons ) {
413 clicked.children( ".ui-accordion-header-icon" )
414 .removeClass( options.icons.header )
415 .addClass( options.icons.activeHeader );
418 clicked
419 .next()
420 .addClass( "ui-accordion-content-active" );
424 _toggle: function( data ) {
425 var toShow = data.newPanel,
426 toHide = this.prevShow.length ? this.prevShow : data.oldPanel;
428 // handle activating a panel during the animation for another activation
429 this.prevShow.add( this.prevHide ).stop( true, true );
430 this.prevShow = toShow;
431 this.prevHide = toHide;
433 if ( this.options.animate ) {
434 this._animate( toShow, toHide, data );
435 } else {
436 toHide.hide();
437 toShow.show();
438 this._toggleComplete( data );
441 toHide.attr({
442 "aria-expanded": "false",
443 "aria-hidden": "true"
445 toHide.prev().attr( "aria-selected", "false" );
446 // if we're switching panels, remove the old header from the tab order
447 // if we're opening from collapsed state, remove the previous header from the tab order
448 // if we're collapsing, then keep the collapsing header in the tab order
449 if ( toShow.length && toHide.length ) {
450 toHide.prev().attr( "tabIndex", -1 );
451 } else if ( toShow.length ) {
452 this.headers.filter(function() {
453 return $( this ).attr( "tabIndex" ) === 0;
455 .attr( "tabIndex", -1 );
458 toShow
459 .attr({
460 "aria-expanded": "true",
461 "aria-hidden": "false"
463 .prev()
464 .attr({
465 "aria-selected": "true",
466 tabIndex: 0
470 _animate: function( toShow, toHide, data ) {
471 var total, easing, duration,
472 that = this,
473 adjust = 0,
474 down = toShow.length &&
475 ( !toHide.length || ( toShow.index() < toHide.index() ) ),
476 animate = this.options.animate || {},
477 options = down && animate.down || animate,
478 complete = function() {
479 that._toggleComplete( data );
482 if ( typeof options === "number" ) {
483 duration = options;
485 if ( typeof options === "string" ) {
486 easing = options;
488 // fall back from options to animation in case of partial down settings
489 easing = easing || options.easing || animate.easing;
490 duration = duration || options.duration || animate.duration;
492 if ( !toHide.length ) {
493 return toShow.animate( showProps, duration, easing, complete );
495 if ( !toShow.length ) {
496 return toHide.animate( hideProps, duration, easing, complete );
499 total = toShow.show().outerHeight();
500 toHide.animate( hideProps, {
501 duration: duration,
502 easing: easing,
503 step: function( now, fx ) {
504 fx.now = Math.round( now );
507 toShow
508 .hide()
509 .animate( showProps, {
510 duration: duration,
511 easing: easing,
512 complete: complete,
513 step: function( now, fx ) {
514 fx.now = Math.round( now );
515 if ( fx.prop !== "height" ) {
516 adjust += fx.now;
517 } else if ( that.options.heightStyle !== "content" ) {
518 fx.now = Math.round( total - toHide.outerHeight() - adjust );
519 adjust = 0;
525 _toggleComplete: function( data ) {
526 var toHide = data.oldPanel;
528 toHide
529 .removeClass( "ui-accordion-content-active" )
530 .prev()
531 .removeClass( "ui-corner-top" )
532 .addClass( "ui-corner-all" );
534 // Work around for rendering bug in IE (#5421)
535 if ( toHide.length ) {
536 toHide.parent()[0].className = toHide.parent()[0].className;
539 this._trigger( "activate", null, data );
545 // DEPRECATED
546 if ( $.uiBackCompat !== false ) {
547 // navigation options
548 (function( $, prototype ) {
549 $.extend( prototype.options, {
550 navigation: false,
551 navigationFilter: function() {
552 return this.href.toLowerCase() === location.href.toLowerCase();
556 var _create = prototype._create;
557 prototype._create = function() {
558 if ( this.options.navigation ) {
559 var that = this,
560 headers = this.element.find( this.options.header ),
561 content = headers.next(),
562 current = headers.add( content )
563 .find( "a" )
564 .filter( this.options.navigationFilter )
565 [ 0 ];
566 if ( current ) {
567 headers.add( content ).each( function( index ) {
568 if ( $.contains( this, current ) ) {
569 that.options.active = Math.floor( index / 2 );
570 return false;
575 _create.call( this );
577 }( jQuery, jQuery.ui.accordion.prototype ) );
579 // height options
580 (function( $, prototype ) {
581 $.extend( prototype.options, {
582 heightStyle: null, // remove default so we fall back to old values
583 autoHeight: true, // use heightStyle: "auto"
584 clearStyle: false, // use heightStyle: "content"
585 fillSpace: false // use heightStyle: "fill"
588 var _create = prototype._create,
589 _setOption = prototype._setOption;
591 $.extend( prototype, {
592 _create: function() {
593 this.options.heightStyle = this.options.heightStyle ||
594 this._mergeHeightStyle();
596 _create.call( this );
599 _setOption: function( key ) {
600 if ( key === "autoHeight" || key === "clearStyle" || key === "fillSpace" ) {
601 this.options.heightStyle = this._mergeHeightStyle();
603 _setOption.apply( this, arguments );
606 _mergeHeightStyle: function() {
607 var options = this.options;
609 if ( options.fillSpace ) {
610 return "fill";
613 if ( options.clearStyle ) {
614 return "content";
617 if ( options.autoHeight ) {
618 return "auto";
622 }( jQuery, jQuery.ui.accordion.prototype ) );
624 // icon options
625 (function( $, prototype ) {
626 $.extend( prototype.options.icons, {
627 activeHeader: null, // remove default so we fall back to old values
628 headerSelected: "ui-icon-triangle-1-s"
631 var _createIcons = prototype._createIcons;
632 prototype._createIcons = function() {
633 if ( this.options.icons ) {
634 this.options.icons.activeHeader = this.options.icons.activeHeader ||
635 this.options.icons.headerSelected;
637 _createIcons.call( this );
639 }( jQuery, jQuery.ui.accordion.prototype ) );
641 // expanded active option, activate method
642 (function( $, prototype ) {
643 prototype.activate = prototype._activate;
645 var _findActive = prototype._findActive;
646 prototype._findActive = function( index ) {
647 if ( index === -1 ) {
648 index = false;
650 if ( index && typeof index !== "number" ) {
651 index = this.headers.index( this.headers.filter( index ) );
652 if ( index === -1 ) {
653 index = false;
656 return _findActive.call( this, index );
658 }( jQuery, jQuery.ui.accordion.prototype ) );
660 // resize method
661 jQuery.ui.accordion.prototype.resize = jQuery.ui.accordion.prototype.refresh;
663 // change events
664 (function( $, prototype ) {
665 $.extend( prototype.options, {
666 change: null,
667 changestart: null
670 var _trigger = prototype._trigger;
671 prototype._trigger = function( type, event, data ) {
672 var ret = _trigger.apply( this, arguments );
673 if ( !ret ) {
674 return false;
677 if ( type === "beforeActivate" ) {
678 ret = _trigger.call( this, "changestart", event, {
679 oldHeader: data.oldHeader,
680 oldContent: data.oldPanel,
681 newHeader: data.newHeader,
682 newContent: data.newPanel
684 } else if ( type === "activate" ) {
685 ret = _trigger.call( this, "change", event, {
686 oldHeader: data.oldHeader,
687 oldContent: data.oldPanel,
688 newHeader: data.newHeader,
689 newContent: data.newPanel
692 return ret;
694 }( jQuery, jQuery.ui.accordion.prototype ) );
696 // animated option
697 // NOTE: this only provides support for "slide", "bounceslide", and easings
698 // not the full $.ui.accordion.animations API
699 (function( $, prototype ) {
700 $.extend( prototype.options, {
701 animate: null,
702 animated: "slide"
705 var _create = prototype._create;
706 prototype._create = function() {
707 var options = this.options;
708 if ( options.animate === null ) {
709 if ( !options.animated ) {
710 options.animate = false;
711 } else if ( options.animated === "slide" ) {
712 options.animate = 300;
713 } else if ( options.animated === "bounceslide" ) {
714 options.animate = {
715 duration: 200,
716 down: {
717 easing: "easeOutBounce",
718 duration: 1000
721 } else {
722 options.animate = options.animated;
726 _create.call( this );
728 }( jQuery, jQuery.ui.accordion.prototype ) );
731 })( jQuery );