diff jquery-ui/development-bundle/ui/jquery.ui.accordion.js @ 0:b2e4605f20b2

beta version
author dwinter
date Thu, 30 Jun 2011 09:07:49 +0200
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children
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jquery-ui/development-bundle/ui/jquery.ui.accordion.js	Thu Jun 30 09:07:49 2011 +0200
@@ -0,0 +1,611 @@
+/*
+ * jQuery UI Accordion 1.8.11
+ *
+ * Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
+ * Dual licensed under the MIT or GPL Version 2 licenses.
+ * http://jquery.org/license
+ *
+ * http://docs.jquery.com/UI/Accordion
+ *
+ * Depends:
+ *	jquery.ui.core.js
+ *	jquery.ui.widget.js
+ */
+(function( $, undefined ) {
+
+$.widget( "ui.accordion", {
+	options: {
+		active: 0,
+		animated: "slide",
+		autoHeight: true,
+		clearStyle: false,
+		collapsible: false,
+		event: "click",
+		fillSpace: false,
+		header: "> li > :first-child,> :not(li):even",
+		icons: {
+			header: "ui-icon-triangle-1-e",
+			headerSelected: "ui-icon-triangle-1-s"
+		},
+		navigation: false,
+		navigationFilter: function() {
+			return this.href.toLowerCase() === location.href.toLowerCase();
+		}
+	},
+
+	_create: function() {
+		var self = this,
+			options = self.options;
+
+		self.running = 0;
+
+		self.element
+			.addClass( "ui-accordion ui-widget ui-helper-reset" )
+			// in lack of child-selectors in CSS
+			// we need to mark top-LIs in a UL-accordion for some IE-fix
+			.children( "li" )
+				.addClass( "ui-accordion-li-fix" );
+
+		self.headers = self.element.find( options.header )
+			.addClass( "ui-accordion-header ui-helper-reset ui-state-default ui-corner-all" )
+			.bind( "mouseenter.accordion", function() {
+				if ( options.disabled ) {
+					return;
+				}
+				$( this ).addClass( "ui-state-hover" );
+			})
+			.bind( "mouseleave.accordion", function() {
+				if ( options.disabled ) {
+					return;
+				}
+				$( this ).removeClass( "ui-state-hover" );
+			})
+			.bind( "focus.accordion", function() {
+				if ( options.disabled ) {
+					return;
+				}
+				$( this ).addClass( "ui-state-focus" );
+			})
+			.bind( "blur.accordion", function() {
+				if ( options.disabled ) {
+					return;
+				}
+				$( this ).removeClass( "ui-state-focus" );
+			});
+
+		self.headers.next()
+			.addClass( "ui-accordion-content ui-helper-reset ui-widget-content ui-corner-bottom" );
+
+		if ( options.navigation ) {
+			var current = self.element.find( "a" ).filter( options.navigationFilter ).eq( 0 );
+			if ( current.length ) {
+				var header = current.closest( ".ui-accordion-header" );
+				if ( header.length ) {
+					// anchor within header
+					self.active = header;
+				} else {
+					// anchor within content
+					self.active = current.closest( ".ui-accordion-content" ).prev();
+				}
+			}
+		}
+
+		self.active = self._findActive( self.active || options.active )
+			.addClass( "ui-state-default ui-state-active" )
+			.toggleClass( "ui-corner-all" )
+			.toggleClass( "ui-corner-top" );
+		self.active.next().addClass( "ui-accordion-content-active" );
+
+		self._createIcons();
+		self.resize();
+		
+		// ARIA
+		self.element.attr( "role", "tablist" );
+
+		self.headers
+			.attr( "role", "tab" )
+			.bind( "keydown.accordion", function( event ) {
+				return self._keydown( event );
+			})
+			.next()
+				.attr( "role", "tabpanel" );
+
+		self.headers
+			.not( self.active || "" )
+			.attr({
+				"aria-expanded": "false",
+				"aria-selected": "false",
+				tabIndex: -1
+			})
+			.next()
+				.hide();
+
+		// make sure at least one header is in the tab order
+		if ( !self.active.length ) {
+			self.headers.eq( 0 ).attr( "tabIndex", 0 );
+		} else {
+			self.active
+				.attr({
+					"aria-expanded": "true",
+					"aria-selected": "true",
+					tabIndex: 0
+				});
+		}
+
+		// only need links in tab order for Safari
+		if ( !$.browser.safari ) {
+			self.headers.find( "a" ).attr( "tabIndex", -1 );
+		}
+
+		if ( options.event ) {
+			self.headers.bind( options.event.split(" ").join(".accordion ") + ".accordion", function(event) {
+				self._clickHandler.call( self, event, this );
+				event.preventDefault();
+			});
+		}
+	},
+
+	_createIcons: function() {
+		var options = this.options;
+		if ( options.icons ) {
+			$( "<span></span>" )
+				.addClass( "ui-icon " + options.icons.header )
+				.prependTo( this.headers );
+			this.active.children( ".ui-icon" )
+				.toggleClass(options.icons.header)
+				.toggleClass(options.icons.headerSelected);
+			this.element.addClass( "ui-accordion-icons" );
+		}
+	},
+
+	_destroyIcons: function() {
+		this.headers.children( ".ui-icon" ).remove();
+		this.element.removeClass( "ui-accordion-icons" );
+	},
+
+	destroy: function() {
+		var options = this.options;
+
+		this.element
+			.removeClass( "ui-accordion ui-widget ui-helper-reset" )
+			.removeAttr( "role" );
+
+		this.headers
+			.unbind( ".accordion" )
+			.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" )
+			.removeAttr( "role" )
+			.removeAttr( "aria-expanded" )
+			.removeAttr( "aria-selected" )
+			.removeAttr( "tabIndex" );
+
+		this.headers.find( "a" ).removeAttr( "tabIndex" );
+		this._destroyIcons();
+		var contents = this.headers.next()
+			.css( "display", "" )
+			.removeAttr( "role" )
+			.removeClass( "ui-helper-reset ui-widget-content ui-corner-bottom ui-accordion-content ui-accordion-content-active ui-accordion-disabled ui-state-disabled" );
+		if ( options.autoHeight || options.fillHeight ) {
+			contents.css( "height", "" );
+		}
+
+		return $.Widget.prototype.destroy.call( this );
+	},
+
+	_setOption: function( key, value ) {
+		$.Widget.prototype._setOption.apply( this, arguments );
+			
+		if ( key == "active" ) {
+			this.activate( value );
+		}
+		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())
+				[ value ? "addClass" : "removeClass" ](
+					"ui-accordion-disabled ui-state-disabled" );
+		}
+	},
+
+	_keydown: function( event ) {
+		if ( this.options.disabled || 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._clickHandler( { target: event.target }, event.target );
+				event.preventDefault();
+		}
+
+		if ( toFocus ) {
+			$( event.target ).attr( "tabIndex", -1 );
+			$( toFocus ).attr( "tabIndex", 0 );
+			toFocus.focus();
+			return false;
+		}
+
+		return true;
+	},
+
+	resize: function() {
+		var options = this.options,
+			maxHeight;
+
+		if ( options.fillSpace ) {
+			if ( $.browser.msie ) {
+				var defOverflow = this.element.parent().css( "overflow" );
+				this.element.parent().css( "overflow", "hidden");
+			}
+			maxHeight = this.element.parent().height();
+			if ($.browser.msie) {
+				this.element.parent().css( "overflow", defOverflow );
+			}
+
+			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 ( options.autoHeight ) {
+			maxHeight = 0;
+			this.headers.next()
+				.each(function() {
+					maxHeight = Math.max( maxHeight, $( this ).height( "" ).height() );
+				})
+				.height( maxHeight );
+		}
+
+		return this;
+	},
+
+	activate: function( index ) {
+		// TODO this gets called on init, changing the option without an explicit call for that
+		this.options.active = index;
+		// call clickHandler with custom event
+		var active = this._findActive( index )[ 0 ];
+		this._clickHandler( { target: active }, active );
+
+		return this;
+	},
+
+	_findActive: function( selector ) {
+		return selector
+			? typeof selector === "number"
+				? this.headers.filter( ":eq(" + selector + ")" )
+				: this.headers.not( this.headers.not( selector ) )
+			: selector === false
+				? $( [] )
+				: this.headers.filter( ":eq(0)" );
+	},
+
+	// TODO isn't event.target enough? why the separate target argument?
+	_clickHandler: function( event, target ) {
+		var options = this.options;
+		if ( options.disabled ) {
+			return;
+		}
+
+		// called only when using activate(false) to close all parts programmatically
+		if ( !event.target ) {
+			if ( !options.collapsible ) {
+				return;
+			}
+			this.active
+				.removeClass( "ui-state-active ui-corner-top" )
+				.addClass( "ui-state-default ui-corner-all" )
+				.children( ".ui-icon" )
+					.removeClass( options.icons.headerSelected )
+					.addClass( options.icons.header );
+			this.active.next().addClass( "ui-accordion-content-active" );
+			var toHide = this.active.next(),
+				data = {
+					options: options,
+					newHeader: $( [] ),
+					oldHeader: options.active,
+					newContent: $( [] ),
+					oldContent: toHide
+				},
+				toShow = ( this.active = $( [] ) );
+			this._toggle( toShow, toHide, data );
+			return;
+		}
+
+		// get the click target
+		var clicked = $( event.currentTarget || target ),
+			clickedIsActive = clicked[0] === this.active[0];
+
+		// TODO the option is changed, is that correct?
+		// TODO if it is correct, shouldn't that happen after determining that the click is valid?
+		options.active = options.collapsible && clickedIsActive ?
+			false :
+			this.headers.index( clicked );
+
+		// if animations are still active, or the active header is the target, ignore click
+		if ( this.running || ( !options.collapsible && clickedIsActive ) ) {
+			return;
+		}
+
+		// find elements to show and hide
+		var active = this.active,
+			toShow = clicked.next(),
+			toHide = this.active.next(),
+			data = {
+				options: options,
+				newHeader: clickedIsActive && options.collapsible ? $([]) : clicked,
+				oldHeader: this.active,
+				newContent: clickedIsActive && options.collapsible ? $([]) : toShow,
+				oldContent: toHide
+			},
+			down = this.headers.index( this.active[0] ) > this.headers.index( clicked[0] );
+
+		// 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( toShow, toHide, data, clickedIsActive, down );
+
+		// switch classes
+		active
+			.removeClass( "ui-state-active ui-corner-top" )
+			.addClass( "ui-state-default ui-corner-all" )
+			.children( ".ui-icon" )
+				.removeClass( options.icons.headerSelected )
+				.addClass( options.icons.header );
+		if ( !clickedIsActive ) {
+			clicked
+				.removeClass( "ui-state-default ui-corner-all" )
+				.addClass( "ui-state-active ui-corner-top" )
+				.children( ".ui-icon" )
+					.removeClass( options.icons.header )
+					.addClass( options.icons.headerSelected );
+			clicked
+				.next()
+				.addClass( "ui-accordion-content-active" );
+		}
+
+		return;
+	},
+
+	_toggle: function( toShow, toHide, data, clickedIsActive, down ) {
+		var self = this,
+			options = self.options;
+
+		self.toShow = toShow;
+		self.toHide = toHide;
+		self.data = data;
+
+		var complete = function() {
+			if ( !self ) {
+				return;
+			}
+			return self._completed.apply( self, arguments );
+		};
+
+		// trigger changestart event
+		self._trigger( "changestart", null, self.data );
+
+		// count elements to animate
+		self.running = toHide.size() === 0 ? toShow.size() : toHide.size();
+
+		if ( options.animated ) {
+			var animOptions = {};
+
+			if ( options.collapsible && clickedIsActive ) {
+				animOptions = {
+					toShow: $( [] ),
+					toHide: toHide,
+					complete: complete,
+					down: down,
+					autoHeight: options.autoHeight || options.fillSpace
+				};
+			} else {
+				animOptions = {
+					toShow: toShow,
+					toHide: toHide,
+					complete: complete,
+					down: down,
+					autoHeight: options.autoHeight || options.fillSpace
+				};
+			}
+
+			if ( !options.proxied ) {
+				options.proxied = options.animated;
+			}
+
+			if ( !options.proxiedDuration ) {
+				options.proxiedDuration = options.duration;
+			}
+
+			options.animated = $.isFunction( options.proxied ) ?
+				options.proxied( animOptions ) :
+				options.proxied;
+
+			options.duration = $.isFunction( options.proxiedDuration ) ?
+				options.proxiedDuration( animOptions ) :
+				options.proxiedDuration;
+
+			var animations = $.ui.accordion.animations,
+				duration = options.duration,
+				easing = options.animated;
+
+			if ( easing && !animations[ easing ] && !$.easing[ easing ] ) {
+				easing = "slide";
+			}
+			if ( !animations[ easing ] ) {
+				animations[ easing ] = function( options ) {
+					this.slide( options, {
+						easing: easing,
+						duration: duration || 700
+					});
+				};
+			}
+
+			animations[ easing ]( animOptions );
+		} else {
+			if ( options.collapsible && clickedIsActive ) {
+				toShow.toggle();
+			} else {
+				toHide.hide();
+				toShow.show();
+			}
+
+			complete( true );
+		}
+
+		// TODO assert that the blur and focus triggers are really necessary, remove otherwise
+		toHide.prev()
+			.attr({
+				"aria-expanded": "false",
+				"aria-selected": "false",
+				tabIndex: -1
+			})
+			.blur();
+		toShow.prev()
+			.attr({
+				"aria-expanded": "true",
+				"aria-selected": "true",
+				tabIndex: 0
+			})
+			.focus();
+	},
+
+	_completed: function( cancel ) {
+		this.running = cancel ? 0 : --this.running;
+		if ( this.running ) {
+			return;
+		}
+
+		if ( this.options.clearStyle ) {
+			this.toShow.add( this.toHide ).css({
+				height: "",
+				overflow: ""
+			});
+		}
+
+		// other classes are removed before the animation; this one needs to stay until completed
+		this.toHide.removeClass( "ui-accordion-content-active" );
+		// Work around for rendering bug in IE (#5421)
+		if ( this.toHide.length ) {
+			this.toHide.parent()[0].className = this.toHide.parent()[0].className;
+		}
+
+		this._trigger( "change", null, this.data );
+	}
+});
+
+$.extend( $.ui.accordion, {
+	version: "1.8.11",
+	animations: {
+		slide: function( options, additions ) {
+			options = $.extend({
+				easing: "swing",
+				duration: 300
+			}, options, additions );
+			if ( !options.toHide.size() ) {
+				options.toShow.animate({
+					height: "show",
+					paddingTop: "show",
+					paddingBottom: "show"
+				}, options );
+				return;
+			}
+			if ( !options.toShow.size() ) {
+				options.toHide.animate({
+					height: "hide",
+					paddingTop: "hide",
+					paddingBottom: "hide"
+				}, options );
+				return;
+			}
+			var overflow = options.toShow.css( "overflow" ),
+				percentDone = 0,
+				showProps = {},
+				hideProps = {},
+				fxAttrs = [ "height", "paddingTop", "paddingBottom" ],
+				originalWidth;
+			// fix width before calculating height of hidden element
+			var s = options.toShow;
+			originalWidth = s[0].style.width;
+			s.width( parseInt( s.parent().width(), 10 )
+				- parseInt( s.css( "paddingLeft" ), 10 )
+				- parseInt( s.css( "paddingRight" ), 10 )
+				- ( parseInt( s.css( "borderLeftWidth" ), 10 ) || 0 )
+				- ( parseInt( s.css( "borderRightWidth" ), 10) || 0 ) );
+
+			$.each( fxAttrs, function( i, prop ) {
+				hideProps[ prop ] = "hide";
+
+				var parts = ( "" + $.css( options.toShow[0], prop ) ).match( /^([\d+-.]+)(.*)$/ );
+				showProps[ prop ] = {
+					value: parts[ 1 ],
+					unit: parts[ 2 ] || "px"
+				};
+			});
+			options.toShow.css({ height: 0, overflow: "hidden" }).show();
+			options.toHide
+				.filter( ":hidden" )
+					.each( options.complete )
+				.end()
+				.filter( ":visible" )
+				.animate( hideProps, {
+				step: function( now, settings ) {
+					// only calculate the percent when animating height
+					// IE gets very inconsistent results when animating elements
+					// with small values, which is common for padding
+					if ( settings.prop == "height" ) {
+						percentDone = ( settings.end - settings.start === 0 ) ? 0 :
+							( settings.now - settings.start ) / ( settings.end - settings.start );
+					}
+
+					options.toShow[ 0 ].style[ settings.prop ] =
+						( percentDone * showProps[ settings.prop ].value )
+						+ showProps[ settings.prop ].unit;
+				},
+				duration: options.duration,
+				easing: options.easing,
+				complete: function() {
+					if ( !options.autoHeight ) {
+						options.toShow.css( "height", "" );
+					}
+					options.toShow.css({
+						width: originalWidth,
+						overflow: overflow
+					});
+					options.complete();
+				}
+			});
+		},
+		bounceslide: function( options ) {
+			this.slide( options, {
+				easing: options.down ? "easeOutBounce" : "swing",
+				duration: options.down ? 1000 : 200
+			});
+		}
+	}
+});
+
+})( jQuery );