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[autoinstallsdev/mediawiki.git] / resources / lib / jquery.ui / jquery.ui.accordion.js
diff --git a/resources/lib/jquery.ui/jquery.ui.accordion.js b/resources/lib/jquery.ui/jquery.ui.accordion.js
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+/*!
+ * jQuery UI Accordion 1.9.2
+ * http://jqueryui.com
+ *
+ * Copyright 2012 jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * http://api.jqueryui.com/accordion/
+ *
+ * Depends:
+ *     jquery.ui.core.js
+ *     jquery.ui.widget.js
+ */
+(function( $, undefined ) {
+
+var uid = 0,
+       hideProps = {},
+       showProps = {};
+
+hideProps.height = hideProps.paddingTop = hideProps.paddingBottom =
+       hideProps.borderTopWidth = hideProps.borderBottomWidth = "hide";
+showProps.height = showProps.paddingTop = showProps.paddingBottom =
+       showProps.borderTopWidth = showProps.borderBottomWidth = "show";
+
+$.widget( "ui.accordion", {
+       version: "1.9.2",
+       options: {
+               active: 0,
+               animate: {},
+               collapsible: false,
+               event: "click",
+               header: "> li > :first-child,> :not(li):even",
+               heightStyle: "auto",
+               icons: {
+                       activeHeader: "ui-icon-triangle-1-s",
+                       header: "ui-icon-triangle-1-e"
+               },
+
+               // callbacks
+               activate: null,
+               beforeActivate: null
+       },
+
+       _create: function() {
+               var accordionId = this.accordionId = "ui-accordion-" +
+                               (this.element.attr( "id" ) || ++uid),
+                       options = this.options;
+
+               this.prevShow = this.prevHide = $();
+               this.element.addClass( "ui-accordion ui-widget ui-helper-reset" );
+
+               this.headers = this.element.find( options.header )
+                       .addClass( "ui-accordion-header ui-helper-reset ui-state-default ui-corner-all" );
+               this._hoverable( this.headers );
+               this._focusable( this.headers );
+
+               this.headers.next()
+                       .addClass( "ui-accordion-content ui-helper-reset ui-widget-content ui-corner-bottom" )
+                       .hide();
+
+               // don't allow collapsible: false and active: false / null
+               if ( !options.collapsible && (options.active === false || options.active == null) ) {
+                       options.active = 0;
+               }
+               // handle negative values
+               if ( options.active < 0 ) {
+                       options.active += this.headers.length;
+               }
+               this.active = this._findActive( options.active )
+                       .addClass( "ui-accordion-header-active ui-state-active" )
+                       .toggleClass( "ui-corner-all ui-corner-top" );
+               this.active.next()
+                       .addClass( "ui-accordion-content-active" )
+                       .show();
+
+               this._createIcons();
+               this.refresh();
+
+               // ARIA
+               this.element.attr( "role", "tablist" );
+
+               this.headers
+                       .attr( "role", "tab" )
+                       .each(function( i ) {
+                               var header = $( this ),
+                                       headerId = header.attr( "id" ),
+                                       panel = header.next(),
+                                       panelId = panel.attr( "id" );
+                               if ( !headerId ) {
+                                       headerId = accordionId + "-header-" + i;
+                                       header.attr( "id", headerId );
+                               }
+                               if ( !panelId ) {
+                                       panelId = accordionId + "-panel-" + i;
+                                       panel.attr( "id", panelId );
+                               }
+                               header.attr( "aria-controls", panelId );
+                               panel.attr( "aria-labelledby", headerId );
+                       })
+                       .next()
+                               .attr( "role", "tabpanel" );
+
+               this.headers
+                       .not( this.active )
+                       .attr({
+                               "aria-selected": "false",
+                               tabIndex: -1
+                       })
+                       .next()
+                               .attr({
+                                       "aria-expanded": "false",
+                                       "aria-hidden": "true"
+                               })
+                               .hide();
+
+               // make sure at least one header is in the tab order
+               if ( !this.active.length ) {
+                       this.headers.eq( 0 ).attr( "tabIndex", 0 );
+               } else {
+                       this.active.attr({
+                               "aria-selected": "true",
+                               tabIndex: 0
+                       })
+                       .next()
+                               .attr({
+                                       "aria-expanded": "true",
+                                       "aria-hidden": "false"
+                               });
+               }
+
+               this._on( this.headers, { keydown: "_keydown" });
+               this._on( this.headers.next(), { keydown: "_panelKeyDown" });
+               this._setupEvents( options.event );
+       },
+
+       _getCreateEventData: function() {
+               return {
+                       header: this.active,
+                       content: !this.active.length ? $() : this.active.next()
+               };
+       },
+
+       _createIcons: function() {
+               var icons = this.options.icons;
+               if ( icons ) {
+                       $( "<span>" )
+                               .addClass( "ui-accordion-header-icon ui-icon " + icons.header )
+                               .prependTo( this.headers );
+                       this.active.children( ".ui-accordion-header-icon" )
+                               .removeClass( icons.header )
+                               .addClass( icons.activeHeader );
+                       this.headers.addClass( "ui-accordion-icons" );
+               }
+       },
+
+       _destroyIcons: function() {
+               this.headers
+                       .removeClass( "ui-accordion-icons" )
+                       .children( ".ui-accordion-header-icon" )
+                               .remove();
+       },
+
+       _destroy: function() {
+               var contents;
+
+               // clean up main element
+               this.element
+                       .removeClass( "ui-accordion ui-widget ui-helper-reset" )
+                       .removeAttr( "role" );
+
+               // clean up headers
+               this.headers
+                       .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" )
+                       .removeAttr( "role" )
+                       .removeAttr( "aria-selected" )
+                       .removeAttr( "aria-controls" )
+                       .removeAttr( "tabIndex" )
+                       .each(function() {
+                               if ( /^ui-accordion/.test( this.id ) ) {
+                                       this.removeAttribute( "id" );
+                               }
+                       });
+               this._destroyIcons();
+
+               // clean up content panels
+               contents = this.headers.next()
+                       .css( "display", "" )
+                       .removeAttr( "role" )
+                       .removeAttr( "aria-expanded" )
+                       .removeAttr( "aria-hidden" )
+                       .removeAttr( "aria-labelledby" )
+                       .removeClass( "ui-helper-reset ui-widget-content ui-corner-bottom ui-accordion-content ui-accordion-content-active ui-state-disabled" )
+                       .each(function() {
+                               if ( /^ui-accordion/.test( this.id ) ) {
+                                       this.removeAttribute( "id" );
+                               }
+                       });
+               if ( this.options.heightStyle !== "content" ) {
+                       contents.css( "height", "" );
+               }
+       },
+
+       _setOption: function( key, value ) {
+               if ( key === "active" ) {
+                       // _activate() will handle invalid values and update this.options
+                       this._activate( value );
+                       return;
+               }
+
+               if ( key === "event" ) {
+                       if ( this.options.event ) {
+                               this._off( this.headers, this.options.event );
+                       }
+                       this._setupEvents( value );
+               }
+
+               this._super( key, value );
+
+               // setting collapsible: false while collapsed; open first panel
+               if ( key === "collapsible" && !value && this.options.active === false ) {
+                       this._activate( 0 );
+               }
+
+               if ( key === "icons" ) {
+                       this._destroyIcons();
+                       if ( value ) {
+                               this._createIcons();
+                       }
+               }
+
+               // #5332 - opacity doesn't cascade to positioned elements in IE
+               // so we need to add the disabled class to the headers and panels
+               if ( key === "disabled" ) {
+                       this.headers.add( this.headers.next() )
+                               .toggleClass( "ui-state-disabled", !!value );
+               }
+       },
+
+       _keydown: function( event ) {
+               if ( event.altKey || event.ctrlKey ) {
+                       return;
+               }
+
+               var keyCode = $.ui.keyCode,
+                       length = this.headers.length,
+                       currentIndex = this.headers.index( event.target ),
+                       toFocus = false;
+
+               switch ( event.keyCode ) {
+                       case keyCode.RIGHT:
+                       case keyCode.DOWN:
+                               toFocus = this.headers[ ( currentIndex + 1 ) % length ];
+                               break;
+                       case keyCode.LEFT:
+                       case keyCode.UP:
+                               toFocus = this.headers[ ( currentIndex - 1 + length ) % length ];
+                               break;
+                       case keyCode.SPACE:
+                       case keyCode.ENTER:
+                               this._eventHandler( event );
+                               break;
+                       case keyCode.HOME:
+                               toFocus = this.headers[ 0 ];
+                               break;
+                       case keyCode.END:
+                               toFocus = this.headers[ length - 1 ];
+                               break;
+               }
+
+               if ( toFocus ) {
+                       $( event.target ).attr( "tabIndex", -1 );
+                       $( toFocus ).attr( "tabIndex", 0 );
+                       toFocus.focus();
+                       event.preventDefault();
+               }
+       },
+
+       _panelKeyDown : function( event ) {
+               if ( event.keyCode === $.ui.keyCode.UP && event.ctrlKey ) {
+                       $( event.currentTarget ).prev().focus();
+               }
+       },
+
+       refresh: function() {
+               var maxHeight, overflow,
+                       heightStyle = this.options.heightStyle,
+                       parent = this.element.parent();
+
+
+               if ( heightStyle === "fill" ) {
+                       // IE 6 treats height like minHeight, so we need to turn off overflow
+                       // in order to get a reliable height
+                       // we use the minHeight support test because we assume that only
+                       // browsers that don't support minHeight will treat height as minHeight
+                       if ( !$.support.minHeight ) {
+                               overflow = parent.css( "overflow" );
+                               parent.css( "overflow", "hidden");
+                       }
+                       maxHeight = parent.height();
+                       this.element.siblings( ":visible" ).each(function() {
+                               var elem = $( this ),
+                                       position = elem.css( "position" );
+
+                               if ( position === "absolute" || position === "fixed" ) {
+                                       return;
+                               }
+                               maxHeight -= elem.outerHeight( true );
+                       });
+                       if ( overflow ) {
+                               parent.css( "overflow", overflow );
+                       }
+
+                       this.headers.each(function() {
+                               maxHeight -= $( this ).outerHeight( true );
+                       });
+
+                       this.headers.next()
+                               .each(function() {
+                                       $( this ).height( Math.max( 0, maxHeight -
+                                               $( this ).innerHeight() + $( this ).height() ) );
+                               })
+                               .css( "overflow", "auto" );
+               } else if ( heightStyle === "auto" ) {
+                       maxHeight = 0;
+                       this.headers.next()
+                               .each(function() {
+                                       maxHeight = Math.max( maxHeight, $( this ).css( "height", "" ).height() );
+                               })
+                               .height( maxHeight );
+               }
+       },
+
+       _activate: function( index ) {
+               var active = this._findActive( index )[ 0 ];
+
+               // trying to activate the already active panel
+               if ( active === this.active[ 0 ] ) {
+                       return;
+               }
+
+               // trying to collapse, simulate a click on the currently active header
+               active = active || this.active[ 0 ];
+
+               this._eventHandler({
+                       target: active,
+                       currentTarget: active,
+                       preventDefault: $.noop
+               });
+       },
+
+       _findActive: function( selector ) {
+               return typeof selector === "number" ? this.headers.eq( selector ) : $();
+       },
+
+       _setupEvents: function( event ) {
+               var events = {};
+               if ( !event ) {
+                       return;
+               }
+               $.each( event.split(" "), function( index, eventName ) {
+                       events[ eventName ] = "_eventHandler";
+               });
+               this._on( this.headers, events );
+       },
+
+       _eventHandler: function( event ) {
+               var options = this.options,
+                       active = this.active,
+                       clicked = $( event.currentTarget ),
+                       clickedIsActive = clicked[ 0 ] === active[ 0 ],
+                       collapsing = clickedIsActive && options.collapsible,
+                       toShow = collapsing ? $() : clicked.next(),
+                       toHide = active.next(),
+                       eventData = {
+                               oldHeader: active,
+                               oldPanel: toHide,
+                               newHeader: collapsing ? $() : clicked,
+                               newPanel: toShow
+                       };
+
+               event.preventDefault();
+
+               if (
+                               // click on active header, but not collapsible
+                               ( clickedIsActive && !options.collapsible ) ||
+                               // allow canceling activation
+                               ( this._trigger( "beforeActivate", event, eventData ) === false ) ) {
+                       return;
+               }
+
+               options.active = collapsing ? false : this.headers.index( clicked );
+
+               // when the call to ._toggle() comes after the class changes
+               // it causes a very odd bug in IE 8 (see #6720)
+               this.active = clickedIsActive ? $() : clicked;
+               this._toggle( eventData );
+
+               // switch classes
+               // corner classes on the previously active header stay after the animation
+               active.removeClass( "ui-accordion-header-active ui-state-active" );
+               if ( options.icons ) {
+                       active.children( ".ui-accordion-header-icon" )
+                               .removeClass( options.icons.activeHeader )
+                               .addClass( options.icons.header );
+               }
+
+               if ( !clickedIsActive ) {
+                       clicked
+                               .removeClass( "ui-corner-all" )
+                               .addClass( "ui-accordion-header-active ui-state-active ui-corner-top" );
+                       if ( options.icons ) {
+                               clicked.children( ".ui-accordion-header-icon" )
+                                       .removeClass( options.icons.header )
+                                       .addClass( options.icons.activeHeader );
+                       }
+
+                       clicked
+                               .next()
+                               .addClass( "ui-accordion-content-active" );
+               }
+       },
+
+       _toggle: function( data ) {
+               var toShow = data.newPanel,
+                       toHide = this.prevShow.length ? this.prevShow : data.oldPanel;
+
+               // handle activating a panel during the animation for another activation
+               this.prevShow.add( this.prevHide ).stop( true, true );
+               this.prevShow = toShow;
+               this.prevHide = toHide;
+
+               if ( this.options.animate ) {
+                       this._animate( toShow, toHide, data );
+               } else {
+                       toHide.hide();
+                       toShow.show();
+                       this._toggleComplete( data );
+               }
+
+               toHide.attr({
+                       "aria-expanded": "false",
+                       "aria-hidden": "true"
+               });
+               toHide.prev().attr( "aria-selected", "false" );
+               // if we're switching panels, remove the old header from the tab order
+               // if we're opening from collapsed state, remove the previous header from the tab order
+               // if we're collapsing, then keep the collapsing header in the tab order
+               if ( toShow.length && toHide.length ) {
+                       toHide.prev().attr( "tabIndex", -1 );
+               } else if ( toShow.length ) {
+                       this.headers.filter(function() {
+                               return $( this ).attr( "tabIndex" ) === 0;
+                       })
+                       .attr( "tabIndex", -1 );
+               }
+
+               toShow
+                       .attr({
+                               "aria-expanded": "true",
+                               "aria-hidden": "false"
+                       })
+                       .prev()
+                               .attr({
+                                       "aria-selected": "true",
+                                       tabIndex: 0
+                               });
+       },
+
+       _animate: function( toShow, toHide, data ) {
+               var total, easing, duration,
+                       that = this,
+                       adjust = 0,
+                       down = toShow.length &&
+                               ( !toHide.length || ( toShow.index() < toHide.index() ) ),
+                       animate = this.options.animate || {},
+                       options = down && animate.down || animate,
+                       complete = function() {
+                               that._toggleComplete( data );
+                       };
+
+               if ( typeof options === "number" ) {
+                       duration = options;
+               }
+               if ( typeof options === "string" ) {
+                       easing = options;
+               }
+               // fall back from options to animation in case of partial down settings
+               easing = easing || options.easing || animate.easing;
+               duration = duration || options.duration || animate.duration;
+
+               if ( !toHide.length ) {
+                       return toShow.animate( showProps, duration, easing, complete );
+               }
+               if ( !toShow.length ) {
+                       return toHide.animate( hideProps, duration, easing, complete );
+               }
+
+               total = toShow.show().outerHeight();
+               toHide.animate( hideProps, {
+                       duration: duration,
+                       easing: easing,
+                       step: function( now, fx ) {
+                               fx.now = Math.round( now );
+                       }
+               });
+               toShow
+                       .hide()
+                       .animate( showProps, {
+                               duration: duration,
+                               easing: easing,
+                               complete: complete,
+                               step: function( now, fx ) {
+                                       fx.now = Math.round( now );
+                                       if ( fx.prop !== "height" ) {
+                                               adjust += fx.now;
+                                       } else if ( that.options.heightStyle !== "content" ) {
+                                               fx.now = Math.round( total - toHide.outerHeight() - adjust );
+                                               adjust = 0;
+                                       }
+                               }
+                       });
+       },
+
+       _toggleComplete: function( data ) {
+               var toHide = data.oldPanel;
+
+               toHide
+                       .removeClass( "ui-accordion-content-active" )
+                       .prev()
+                               .removeClass( "ui-corner-top" )
+                               .addClass( "ui-corner-all" );
+
+               // Work around for rendering bug in IE (#5421)
+               if ( toHide.length ) {
+                       toHide.parent()[0].className = toHide.parent()[0].className;
+               }
+
+               this._trigger( "activate", null, data );
+       }
+});
+
+
+
+// DEPRECATED
+if ( $.uiBackCompat !== false ) {
+       // navigation options
+       (function( $, prototype ) {
+               $.extend( prototype.options, {
+                       navigation: false,
+                       navigationFilter: function() {
+                               return this.href.toLowerCase() === location.href.toLowerCase();
+                       }
+               });
+
+               var _create = prototype._create;
+               prototype._create = function() {
+                       if ( this.options.navigation ) {
+                               var that = this,
+                                       headers = this.element.find( this.options.header ),
+                                       content = headers.next(),
+                                       current = headers.add( content )
+                                               .find( "a" )
+                                               .filter( this.options.navigationFilter )
+                                               [ 0 ];
+                               if ( current ) {
+                                       headers.add( content ).each( function( index ) {
+                                               if ( $.contains( this, current ) ) {
+                                                       that.options.active = Math.floor( index / 2 );
+                                                       return false;
+                                               }
+                                       });
+                               }
+                       }
+                       _create.call( this );
+               };
+       }( jQuery, jQuery.ui.accordion.prototype ) );
+
+       // height options
+       (function( $, prototype ) {
+               $.extend( prototype.options, {
+                       heightStyle: null, // remove default so we fall back to old values
+                       autoHeight: true, // use heightStyle: "auto"
+                       clearStyle: false, // use heightStyle: "content"
+                       fillSpace: false // use heightStyle: "fill"
+               });
+
+               var _create = prototype._create,
+                       _setOption = prototype._setOption;
+
+               $.extend( prototype, {
+                       _create: function() {
+                               this.options.heightStyle = this.options.heightStyle ||
+                                       this._mergeHeightStyle();
+
+                               _create.call( this );
+                       },
+
+                       _setOption: function( key ) {
+                               if ( key === "autoHeight" || key === "clearStyle" || key === "fillSpace" ) {
+                                       this.options.heightStyle = this._mergeHeightStyle();
+                               }
+                               _setOption.apply( this, arguments );
+                       },
+
+                       _mergeHeightStyle: function() {
+                               var options = this.options;
+
+                               if ( options.fillSpace ) {
+                                       return "fill";
+                               }
+
+                               if ( options.clearStyle ) {
+                                       return "content";
+                               }
+
+                               if ( options.autoHeight ) {
+                                       return "auto";
+                               }
+                       }
+               });
+       }( jQuery, jQuery.ui.accordion.prototype ) );
+
+       // icon options
+       (function( $, prototype ) {
+               $.extend( prototype.options.icons, {
+                       activeHeader: null, // remove default so we fall back to old values
+                       headerSelected: "ui-icon-triangle-1-s"
+               });
+
+               var _createIcons = prototype._createIcons;
+               prototype._createIcons = function() {
+                       if ( this.options.icons ) {
+                               this.options.icons.activeHeader = this.options.icons.activeHeader ||
+                                       this.options.icons.headerSelected;
+                       }
+                       _createIcons.call( this );
+               };
+       }( jQuery, jQuery.ui.accordion.prototype ) );
+
+       // expanded active option, activate method
+       (function( $, prototype ) {
+               prototype.activate = prototype._activate;
+
+               var _findActive = prototype._findActive;
+               prototype._findActive = function( index ) {
+                       if ( index === -1 ) {
+                               index = false;
+                       }
+                       if ( index && typeof index !== "number" ) {
+                               index = this.headers.index( this.headers.filter( index ) );
+                               if ( index === -1 ) {
+                                       index = false;
+                               }
+                       }
+                       return _findActive.call( this, index );
+               };
+       }( jQuery, jQuery.ui.accordion.prototype ) );
+
+       // resize method
+       jQuery.ui.accordion.prototype.resize = jQuery.ui.accordion.prototype.refresh;
+
+       // change events
+       (function( $, prototype ) {
+               $.extend( prototype.options, {
+                       change: null,
+                       changestart: null
+               });
+
+               var _trigger = prototype._trigger;
+               prototype._trigger = function( type, event, data ) {
+                       var ret = _trigger.apply( this, arguments );
+                       if ( !ret ) {
+                               return false;
+                       }
+
+                       if ( type === "beforeActivate" ) {
+                               ret = _trigger.call( this, "changestart", event, {
+                                       oldHeader: data.oldHeader,
+                                       oldContent: data.oldPanel,
+                                       newHeader: data.newHeader,
+                                       newContent: data.newPanel
+                               });
+                       } else if ( type === "activate" ) {
+                               ret = _trigger.call( this, "change", event, {
+                                       oldHeader: data.oldHeader,
+                                       oldContent: data.oldPanel,
+                                       newHeader: data.newHeader,
+                                       newContent: data.newPanel
+                               });
+                       }
+                       return ret;
+               };
+       }( jQuery, jQuery.ui.accordion.prototype ) );
+
+       // animated option
+       // NOTE: this only provides support for "slide", "bounceslide", and easings
+       // not the full $.ui.accordion.animations API
+       (function( $, prototype ) {
+               $.extend( prototype.options, {
+                       animate: null,
+                       animated: "slide"
+               });
+
+               var _create = prototype._create;
+               prototype._create = function() {
+                       var options = this.options;
+                       if ( options.animate === null ) {
+                               if ( !options.animated ) {
+                                       options.animate = false;
+                               } else if ( options.animated === "slide" ) {
+                                       options.animate = 300;
+                               } else if ( options.animated === "bounceslide" ) {
+                                       options.animate = {
+                                               duration: 200,
+                                               down: {
+                                                       easing: "easeOutBounce",
+                                                       duration: 1000
+                                               }
+                                       };
+                               } else {
+                                       options.animate = options.animated;
+                               }
+                       }
+
+                       _create.call( this );
+               };
+       }( jQuery, jQuery.ui.accordion.prototype ) );
+}
+
+})( jQuery );