mirror of
https://github.com/jquery/jquery-ui.git
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656 lines
17 KiB
JavaScript
656 lines
17 KiB
JavaScript
/*
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* jQuery UI Accordion @VERSION
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*
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* Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
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* Dual licensed under the MIT or GPL Version 2 licenses.
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* http://jquery.org/license
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*
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* http://docs.jquery.com/UI/Accordion
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*
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* Depends:
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* jquery.ui.core.js
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* jquery.ui.widget.js
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*/
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(function( $, undefined ) {
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// TODO: use ui-accordion-header-active class and fix styling
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$.widget( "ui.accordion", {
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options: {
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active: 0,
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animated: "slide",
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collapsible: false,
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event: "click",
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header: "> li > :first-child,> :not(li):even",
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heightStyle: "auto",
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icons: {
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activeHeader: "ui-icon-triangle-1-s",
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header: "ui-icon-triangle-1-e"
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}
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},
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_create: function() {
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var self = this,
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options = self.options;
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self.running = false;
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self.element.addClass( "ui-accordion ui-widget ui-helper-reset" );
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self.headers = self.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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self._hoverable( self.headers );
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self._focusable( self.headers );
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self.headers.find( ":first-child" ).addClass( "ui-accordion-heading" );
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self.headers.next()
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.addClass( "ui-accordion-content ui-helper-reset ui-widget-content ui-corner-bottom" );
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// don't allow collapsible: false and active: false
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if ( !options.collapsible && options.active === false ) {
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options.active = 0;
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}
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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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self.active = self._findActive( options.active )
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.addClass( "ui-state-default ui-state-active" )
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.toggleClass( "ui-corner-all" )
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.toggleClass( "ui-corner-top" );
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self.active.next().addClass( "ui-accordion-content-active" );
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self._createIcons();
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self.refresh();
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// ARIA
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self.element.attr( "role", "tablist" );
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self.headers
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.attr( "role", "tab" )
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.bind( "keydown.accordion", $.proxy( self, "_keydown" ) )
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.next()
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.attr( "role", "tabpanel" );
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self.headers
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.not( self.active )
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.attr({
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"aria-expanded": "false",
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tabIndex: -1
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})
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.next()
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.hide();
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// make sure at least one header is in the tab order
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if ( !self.active.length ) {
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self.headers.eq( 0 ).attr( "tabIndex", 0 );
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} else {
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self.active
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.attr({
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"aria-expanded": "true",
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tabIndex: 0
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});
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}
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// only need links in tab order for Safari
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if ( !$.browser.safari ) {
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self.headers.find( "a" ).attr( "tabIndex", -1 );
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}
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if ( options.event ) {
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self.headers.bind( options.event.split( " " ).join( ".accordion " ) + ".accordion",
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$.proxy( self, "_eventHandler" ) );
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}
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},
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_createIcons: function() {
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var icons = this.options.icons;
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if ( icons ) {
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$( "<span>" )
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.addClass( "ui-accordion-header-icon ui-icon " + icons.header )
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.prependTo( this.headers );
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this.active.children( ".ui-accordion-header-icon" )
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.removeClass( icons.header )
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.addClass( icons.activeHeader );
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this.element.addClass( "ui-accordion-icons" );
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}
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},
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_destroyIcons: function() {
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this.headers.children( ".ui-accordion-header-icon" ).remove();
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this.element.removeClass( "ui-accordion-icons" );
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},
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_destroy: function() {
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// clean up main element
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this.element
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.removeClass( "ui-accordion ui-widget ui-helper-reset" )
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.removeAttr( "role" );
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// clean up headers
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this.headers
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.unbind( ".accordion" )
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.removeClass( "ui-accordion-header ui-accordion-disabled ui-helper-reset ui-state-default ui-corner-all ui-state-active ui-state-disabled ui-corner-top" )
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.removeAttr( "role" )
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.removeAttr( "aria-expanded" )
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.removeAttr( "tabIndex" )
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.find( "a" )
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.removeAttr( "tabIndex" )
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.end()
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.find( ".ui-accordion-heading" )
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.removeClass( "ui-accordion-heading" );
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this._destroyIcons();
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// clean up content panels
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var contents = this.headers.next()
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.css( "display", "" )
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.removeAttr( "role" )
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.removeClass( "ui-helper-reset ui-widget-content ui-corner-bottom ui-accordion-content ui-accordion-content-active ui-accordion-disabled ui-state-disabled" );
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if ( this.options.heightStyle !== "content" ) {
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contents.css( "height", "" );
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}
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},
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_setOption: function( key, value ) {
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if ( key === "active" ) {
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// _activate() will handle invalid values and update this.options
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this._activate( value );
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return;
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}
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this._super( "_setOption", key, value );
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// setting collapsible: false while collapsed; open first panel
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if ( key === "collapsible" && !value && this.options.active === false ) {
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this._activate( 0 );
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}
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if ( key === "icons" ) {
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this._destroyIcons();
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if ( value ) {
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this._createIcons();
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}
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}
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// #5332 - opacity doesn't cascade to positioned elements in IE
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// so we need to add the disabled class to the headers and panels
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if ( key === "disabled" ) {
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this.headers.add(this.headers.next())
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.toggleClass( "ui-accordion-disabled ui-state-disabled", !!value );
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}
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},
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_keydown: function( event ) {
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if ( this.options.disabled || event.altKey || event.ctrlKey ) {
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return;
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}
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var keyCode = $.ui.keyCode,
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length = this.headers.length,
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currentIndex = this.headers.index( event.target ),
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toFocus = false;
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switch ( event.keyCode ) {
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case keyCode.RIGHT:
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case keyCode.DOWN:
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toFocus = this.headers[ ( currentIndex + 1 ) % length ];
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break;
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case keyCode.LEFT:
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case keyCode.UP:
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toFocus = this.headers[ ( currentIndex - 1 + length ) % length ];
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break;
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case keyCode.SPACE:
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case keyCode.ENTER:
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this._eventHandler( event );
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}
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if ( toFocus ) {
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$( event.target ).attr( "tabIndex", -1 );
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$( toFocus ).attr( "tabIndex", 0 );
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toFocus.focus();
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event.preventDefault();
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}
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},
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refresh: function() {
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var options = this.options,
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parent = this.element.parent(),
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maxHeight,
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overflow;
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if ( options.heightStyle === "fill" ) {
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// IE 6 treats height like minHeight, so we need to turn off overflow
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// in order to get a reliable height
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// we use the minHeight support test because we assume that only
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// browsers that don't support minHeight will treat height as minHeight
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if ( !$.support.minHeight ) {
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overflow = parent.css( "overflow" );
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parent.css( "overflow", "hidden");
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}
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maxHeight = parent.height();
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this.element.siblings( ":visible" ).each(function() {
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var elem = $( this ),
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position = elem.css( "position" );
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if ( position === "absolute" || position === "fixed" ) {
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return;
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}
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maxHeight -= elem.outerHeight( true );
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});
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if ( overflow ) {
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parent.css( "overflow", overflow );
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}
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this.headers.each(function() {
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maxHeight -= $( this ).outerHeight( true );
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});
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this.headers.next()
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.each(function() {
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$( this ).height( Math.max( 0, maxHeight -
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$( this ).innerHeight() + $( this ).height() ) );
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})
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.css( "overflow", "auto" );
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} else if ( options.heightStyle === "auto" ) {
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maxHeight = 0;
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this.headers.next()
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.each(function() {
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maxHeight = Math.max( maxHeight, $( this ).height( "" ).height() );
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})
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.height( maxHeight );
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}
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return this;
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},
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_activate: function( index ) {
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var active = this._findActive( index )[ 0 ];
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// trying to activate the already active panel
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if ( active === this.active[ 0 ] ) {
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return;
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}
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// trying to collapse, simulate a click on the currently active header
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active = active || this.active;
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this._eventHandler({
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target: active,
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currentTarget: active,
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preventDefault: $.noop
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});
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},
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_findActive: function( selector ) {
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return typeof selector === "number" ? this.headers.eq( selector ) : $();
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},
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_eventHandler: function( event ) {
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var options = this.options,
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active = this.active,
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clicked = $( event.currentTarget ),
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clickedIsActive = clicked[ 0 ] === active[ 0 ],
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collapsing = clickedIsActive && options.collapsible,
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toShow = collapsing ? $() : clicked.next(),
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toHide = active.next(),
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eventData = {
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oldHeader: active,
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oldContent: toHide,
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newHeader: collapsing ? $() : clicked,
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newContent: toShow
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};
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event.preventDefault();
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if ( options.disabled ||
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// can't switch during an animation
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this.running ||
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// click on active header, but not collapsible
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( clickedIsActive && !options.collapsible ) ||
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// allow canceling activation
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( this._trigger( "beforeActivate", null, eventData ) === false ) ) {
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return;
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}
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options.active = collapsing ? false : this.headers.index( clicked );
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// when the call to ._toggle() comes after the class changes
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// it causes a very odd bug in IE 8 (see #6720)
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this.active = clickedIsActive ? $() : clicked;
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this._toggle( eventData );
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// switch classes
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active
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.removeClass( "ui-state-active ui-corner-top" )
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.addClass( "ui-state-default ui-corner-all" )
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.children( ".ui-accordion-header-icon" )
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.removeClass( options.icons.activeHeader )
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.addClass( options.icons.header );
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if ( !clickedIsActive ) {
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clicked
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.removeClass( "ui-state-default ui-corner-all" )
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.addClass( "ui-state-active ui-corner-top" )
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.children( ".ui-accordion-header-icon" )
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.removeClass( options.icons.header )
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.addClass( options.icons.activeHeader );
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clicked
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.next()
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.addClass( "ui-accordion-content-active" );
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}
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},
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_toggle: function( data ) {
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var self = this,
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options = self.options,
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toShow = data.newContent,
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toHide = data.oldContent;
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self.running = true;
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function complete() {
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self._completed( data );
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}
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if ( options.animated ) {
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var animations = $.ui.accordion.animations,
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animation = options.animated,
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additional;
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if ( !animations[ animation ] ) {
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additional = {
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easing: $.easing[ animation ] ? animation : "slide",
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duration: 700
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};
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animation = "slide";
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}
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animations[ animation ]({
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toShow: toShow,
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toHide: toHide,
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complete: complete,
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down: toShow.length && ( !toHide.length || ( toShow.index() < toHide.index() ) )
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}, additional );
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} else {
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toHide.hide();
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toShow.show();
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complete();
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}
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// TODO assert that the blur and focus triggers are really necessary, remove otherwise
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toHide.prev()
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.attr({
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"aria-expanded": "false",
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tabIndex: -1
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})
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.blur();
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toShow.prev()
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.attr({
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"aria-expanded": "true",
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tabIndex: 0
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})
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.focus();
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},
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_completed: function( data ) {
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var toShow = data.newContent,
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toHide = data.oldContent;
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this.running = false;
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if ( this.options.heightStyle === "content" ) {
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toShow.add( toHide ).css({
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height: "",
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overflow: ""
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});
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}
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// other classes are removed before the animation; this one needs to stay until completed
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toHide.removeClass( "ui-accordion-content-active" );
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// Work around for rendering bug in IE (#5421)
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if ( toHide.length ) {
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toHide.parent()[0].className = toHide.parent()[0].className;
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}
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this._trigger( "activate", null, data );
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}
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});
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$.extend( $.ui.accordion, {
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version: "@VERSION",
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animations: {
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slide: function( options, additions ) {
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var showOverflow = options.toShow.css( "overflow" ),
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hideOverflow = options.toHide.css( "overflow" ),
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percentDone = 0,
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showProps = {},
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hideProps = {},
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fxAttrs = [ "height", "paddingTop", "paddingBottom" ],
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originalWidth;
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options = $.extend({
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easing: "swing",
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duration: 300
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}, options, additions );
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if ( !options.toHide.size() ) {
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originalWidth = options.toShow[0].style.width;
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options.toShow
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.show()
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.width( options.toShow.width() )
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.hide()
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.animate({
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height: "show",
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paddingTop: "show",
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paddingBottom: "show"
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}, {
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duration: options.duration,
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easing: options.easing,
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complete: function() {
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options.toShow.width( originalWidth );
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options.complete();
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}
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});
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return;
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}
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if ( !options.toShow.size() ) {
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options.toHide.animate({
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height: "hide",
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paddingTop: "hide",
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paddingBottom: "hide"
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}, options );
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return;
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}
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// fix width before calculating height of hidden element
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var s = options.toShow;
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originalWidth = s[0].style.width;
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s.width( parseInt( s.parent().width(), 10 )
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- parseInt( s.css( "paddingLeft" ), 10 )
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- parseInt( s.css( "paddingRight" ), 10 )
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- ( parseInt( s.css( "borderLeftWidth" ), 10 ) || 0 )
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- ( parseInt( s.css( "borderRightWidth" ), 10) || 0 ) );
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$.each( fxAttrs, function( i, prop ) {
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hideProps[ prop ] = "hide";
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var parts = ( "" + $.css( options.toShow[0], prop ) ).match( /^([\d+-.]+)(.*)$/ );
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showProps[ prop ] = {
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value: parts[ 1 ],
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unit: parts[ 2 ] || "px"
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};
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});
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options.toShow.css({ height: 0, overflow: "hidden" }).show();
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options.toHide
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.filter( ":hidden" )
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.each( options.complete )
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.end()
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.filter( ":visible" )
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.animate( hideProps, {
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step: function( now, settings ) {
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// only calculate the percent when animating height
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// IE gets very inconsistent results when animating elements
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// with small values, which is common for padding
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if ( settings.prop == "height" ) {
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percentDone = ( settings.end - settings.start === 0 ) ? 0 :
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( settings.now - settings.start ) / ( settings.end - settings.start );
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}
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options.toShow[ 0 ].style[ settings.prop ] =
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( percentDone * showProps[ settings.prop ].value )
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+ showProps[ settings.prop ].unit;
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},
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duration: options.duration,
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easing: options.easing,
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complete: function() {
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options.toShow.css({
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width: originalWidth,
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overflow: showOverflow
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});
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options.toHide.css( "overflow", hideOverflow );
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options.complete();
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}
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});
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},
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bounceslide: function( options ) {
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this.slide( options, {
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easing: options.down ? "easeOutBounce" : "swing",
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duration: options.down ? 1000 : 200
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});
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}
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}
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});
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// DEPRECATED
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if ( $.uiBackCompat !== false ) {
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// navigation options
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(function( $, prototype ) {
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$.extend( prototype.options, {
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navigation: false,
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navigationFilter: function() {
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return this.href.toLowerCase() === location.href.toLowerCase();
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}
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});
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var _create = prototype._create;
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prototype._create = function() {
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if ( this.options.navigation ) {
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var self = this,
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headers = this.element.find( this.options.header ),
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content = headers.next();
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current = headers.add( content )
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.find( "a" )
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.filter( this.options.navigationFilter )
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[ 0 ];
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if ( current ) {
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headers.add( content ).each( function( index ) {
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if ( $.contains( this, current ) ) {
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self.options.active = Math.floor( index / 2 );
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return false;
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}
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});
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}
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}
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_create.call( this );
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};
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}( jQuery, jQuery.ui.accordion.prototype ) );
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// height options
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(function( $, prototype ) {
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$.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, value ) {
|
|
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() {
|
|
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 ) {
|
|
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, data );
|
|
} else if ( type === "activate" ) {
|
|
ret = _trigger.call( this, "change", event, data );
|
|
}
|
|
return ret;
|
|
}
|
|
}( jQuery, jQuery.ui.accordion.prototype ) );
|
|
}
|
|
|
|
})( jQuery );
|