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https://github.com/jquery/jquery-ui.git
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Accordion: Enhance refresh to allow adding/removing panels. Fixes #4672 - Accordion: ability to add/remove panels
This commit is contained in:
David Petersen
Mike Sherov
parent
8e1ceba717
commit
d657538ed5
@ -30,7 +30,7 @@ test( "enable/disable", function() {
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});
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test( "refresh", function() {
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expect( 6 );
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expect( 17 );
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var element = $( "#navigation" )
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.parent()
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.height( 300 )
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@ -43,6 +43,67 @@ test( "refresh", function() {
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element.parent().height( 500 );
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element.accordion( "refresh" );
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equalHeight( element, 455 );
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element = $( "#list1" );
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element.accordion();
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state( element, 1, 0, 0 );
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// disable panel via markup
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element.find( "h3.bar" ).eq( 1 ).addClass( "ui-state-disabled" );
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element.accordion( "refresh" );
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state( element, 1, 0, 0 );
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// don't add multiple icons
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element.accordion( "refresh" );
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equal( element.find( ".ui-accordion-header-icon" ).length, 3 );
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// add a panel
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element
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.append("<h3 class='bar' id='new_1'>new 1</h3>")
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.append("<div class='foo' id='new_1_panel'>new 1</div>");
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element.accordion( "refresh" );
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state( element, 1, 0, 0, 0 );
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// remove all tabs
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element.find( "h3.bar, div.foo" ).remove();
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element.accordion( "refresh" );
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state( element );
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equal( element.accordion( "option", "active" ), false, "no active accordion panel" );
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// add panels
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element
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.append("<h3 class='bar' id='new_2'>new 2</h3>")
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.append("<div class='foo' id='new_2_panel'>new 2</div>")
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.append("<h3 class='bar' id='new_3'>new 3</h3>")
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.append("<div class='foo' id='new_3_panel'>new 3</div>")
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.append("<h3 class='bar' id='new_4'>new 4</h3>")
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.append("<div class='foo' id='new_4_panel'>new 4</div>")
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.append("<h3 class='bar' id='new_5'>new 5</h3>")
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.append("<div class='foo' id='new_5_panel'>new 5</div>");
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element.accordion( "refresh" );
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state( element, 1, 0, 0, 0 );
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// activate third tab
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element.accordion( "option", "active", 2 );
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state( element, 0, 0, 1, 0 );
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// remove fourth panel, third panel should stay active
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element.find( "h3.bar" ).eq( 3 ).remove();
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element.find( "div.foo" ).eq( 3 ).remove();
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element.accordion( "refresh" );
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state( element, 0, 0, 1 );
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// remove third (active) panel, second panel should become active
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element.find( "h3.bar" ).eq( 2 ).remove();
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element.find( "div.foo" ).eq( 2 ).remove();
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element.accordion( "refresh" );
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state( element, 0, 1 );
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// remove first panel, previously active panel (now first) should stay active
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element.find( "h3.bar" ).eq( 0 ).remove();
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element.find( "div.foo" ).eq( 0 ).remove();
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element.accordion( "refresh" );
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state( element, 1 );
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});
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test( "widget", function() {
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213
ui/jquery.ui.accordion.js
vendored
213
ui/jquery.ui.accordion.js
vendored
@ -43,95 +43,23 @@ $.widget( "ui.accordion", {
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},
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_create: function() {
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var accordionId = this.accordionId = "ui-accordion-" +
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(this.element.attr( "id" ) || ++uid),
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options = this.options;
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var options = this.options;
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this.prevShow = this.prevHide = $();
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this.element.addClass( "ui-accordion ui-widget ui-helper-reset" );
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this.headers = this.element.find( options.header )
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.addClass( "ui-accordion-header ui-helper-reset ui-state-default ui-corner-all" );
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this._hoverable( this.headers );
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this._focusable( this.headers );
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this.headers.next()
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.addClass( "ui-accordion-content ui-helper-reset ui-widget-content ui-corner-bottom" )
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.hide();
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this.element.addClass( "ui-accordion ui-widget ui-helper-reset" )
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// ARIA
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.attr( "role", "tablist" );
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// don't allow collapsible: false and active: false / null
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if ( !options.collapsible && (options.active === false || options.active == null) ) {
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options.active = 0;
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}
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this._processPanels();
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// handle negative values
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if ( options.active < 0 ) {
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options.active += this.headers.length;
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}
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this.active = this._findActive( options.active )
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.addClass( "ui-accordion-header-active ui-state-active" )
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.toggleClass( "ui-corner-all ui-corner-top" );
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this.active.next()
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.addClass( "ui-accordion-content-active" )
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.show();
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this._createIcons();
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this.refresh();
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// ARIA
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this.element.attr( "role", "tablist" );
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this.headers
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.attr( "role", "tab" )
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.each(function( i ) {
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var header = $( this ),
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headerId = header.attr( "id" ),
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panel = header.next(),
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panelId = panel.attr( "id" );
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if ( !headerId ) {
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headerId = accordionId + "-header-" + i;
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header.attr( "id", headerId );
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}
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if ( !panelId ) {
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panelId = accordionId + "-panel-" + i;
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panel.attr( "id", panelId );
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}
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header.attr( "aria-controls", panelId );
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panel.attr( "aria-labelledby", headerId );
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})
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.next()
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.attr( "role", "tabpanel" );
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this.headers
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.not( this.active )
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.attr({
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"aria-selected": "false",
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tabIndex: -1
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})
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.next()
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.attr({
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"aria-expanded": "false",
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"aria-hidden": "true"
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})
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.hide();
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// make sure at least one header is in the tab order
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if ( !this.active.length ) {
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this.headers.eq( 0 ).attr( "tabIndex", 0 );
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} else {
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this.active.attr({
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"aria-selected": "true",
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tabIndex: 0
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})
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.next()
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.attr({
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"aria-expanded": "true",
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"aria-hidden": "false"
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});
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}
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this._on( this.headers, { keydown: "_keydown" });
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this._on( this.headers.next(), { keydown: "_panelKeyDown" });
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this._setupEvents( options.event );
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this._refresh();
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},
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_getCreateEventData: function() {
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@ -283,9 +211,114 @@ $.widget( "ui.accordion", {
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},
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refresh: function() {
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var options = this.options;
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this._processPanels();
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// was collapsed or no panel
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if ( ( options.active === false && options.collapsible === true ) || !this.headers.length ) {
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options.active = false;
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this.active = $();
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// active false only when collapsible is true
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} if ( options.active === false ) {
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this._activate( 0 );
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// was active, but active panel is gone
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} else if ( this.active.length && !$.contains( this.element[ 0 ], this.active[ 0 ] ) ) {
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// all remaining panel are disabled
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if ( this.headers.length === this.headers.find(".ui-state-disabled").length ) {
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options.active = false;
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this.active = $();
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// activate previous panel
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} else {
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this._activate( Math.max( 0, options.active - 1 ) );
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}
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// was active, active panel still exists
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} else {
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// make sure active index is correct
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options.active = this.headers.index( this.active );
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}
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this._destroyIcons();
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this._refresh();
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},
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_processPanels: function() {
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this.headers = this.element.find( this.options.header )
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.addClass( "ui-accordion-header ui-helper-reset ui-state-default ui-corner-all" );
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this.headers.next()
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.addClass( "ui-accordion-content ui-helper-reset ui-widget-content ui-corner-bottom" )
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.filter(":not(.ui-accordion-content-active)")
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.hide();
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},
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_refresh: function() {
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var maxHeight,
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heightStyle = this.options.heightStyle,
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parent = this.element.parent();
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options = this.options,
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heightStyle = options.heightStyle,
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parent = this.element.parent(),
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accordionId = this.accordionId = "ui-accordion-" +
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(this.element.attr( "id" ) || ++uid);
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this.active = this._findActive( options.active )
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.addClass( "ui-accordion-header-active ui-state-active" )
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.toggleClass( "ui-corner-all ui-corner-top" );
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this.active.next()
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.addClass( "ui-accordion-content-active" )
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.show();
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this.headers
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.attr( "role", "tab" )
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.each(function( i ) {
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var header = $( this ),
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headerId = header.attr( "id" ),
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panel = header.next(),
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panelId = panel.attr( "id" );
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if ( !headerId ) {
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headerId = accordionId + "-header-" + i;
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header.attr( "id", headerId );
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}
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if ( !panelId ) {
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panelId = accordionId + "-panel-" + i;
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panel.attr( "id", panelId );
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}
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header.attr( "aria-controls", panelId );
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panel.attr( "aria-labelledby", headerId );
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})
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.next()
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.attr( "role", "tabpanel" );
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this.headers
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.not( this.active )
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.attr({
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"aria-selected": "false",
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tabIndex: -1
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})
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.next()
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.attr({
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"aria-expanded": "false",
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"aria-hidden": "true"
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})
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.hide();
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// make sure at least one header is in the tab order
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if ( !this.active.length ) {
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this.headers.eq( 0 ).attr( "tabIndex", 0 );
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} else {
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this.active.attr({
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"aria-selected": "true",
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tabIndex: 0
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})
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.next()
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.attr({
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"aria-expanded": "true",
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"aria-hidden": "false"
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});
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}
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this._createIcons();
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this._setupEvents( options.event );
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if ( heightStyle === "fill" ) {
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maxHeight = parent.height();
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@ -342,14 +375,20 @@ $.widget( "ui.accordion", {
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},
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_setupEvents: function( event ) {
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var events = {};
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if ( !event ) {
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return;
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var events = {
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keydown: "_keydown"
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};
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if ( event ) {
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$.each( event.split(" "), function( index, eventName ) {
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events[ eventName ] = "_eventHandler";
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});
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}
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$.each( event.split(" "), function( index, eventName ) {
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events[ eventName ] = "_eventHandler";
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});
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this._off( this.headers.add( this.headers.next() ) );
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this._on( this.headers, events );
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this._on( this.headers.next(), { keydown: "_panelKeyDown" });
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this._hoverable( this.headers );
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this._focusable( this.headers );
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},
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_eventHandler: function( event ) {
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