mirror of
https://github.com/jquery/jquery-ui.git
synced 2024-12-07 06:14:24 +00:00
614 lines
16 KiB
JavaScript
614 lines
16 KiB
JavaScript
/*!
|
|
* jQuery UI Accordion @VERSION
|
|
* http://jqueryui.com
|
|
*
|
|
* Copyright jQuery Foundation and other contributors
|
|
* Released under the MIT license.
|
|
* http://jquery.org/license
|
|
*/
|
|
|
|
//>>label: Accordion
|
|
//>>group: Widgets
|
|
// jscs:disable maximumLineLength
|
|
//>>description: Displays collapsible content panels for presenting information in a limited amount of space.
|
|
// jscs:enable maximumLineLength
|
|
//>>docs: http://api.jqueryui.com/accordion/
|
|
//>>demos: http://jqueryui.com/accordion/
|
|
//>>css.structure: ../../themes/base/core.css
|
|
//>>css.structure: ../../themes/base/accordion.css
|
|
//>>css.theme: ../../themes/base/theme.css
|
|
|
|
( function( factory ) {
|
|
if ( typeof define === "function" && define.amd ) {
|
|
|
|
// AMD. Register as an anonymous module.
|
|
define( [
|
|
"jquery",
|
|
"../version",
|
|
"../keycode",
|
|
"../unique-id",
|
|
"../widget"
|
|
], factory );
|
|
} else {
|
|
|
|
// Browser globals
|
|
factory( jQuery );
|
|
}
|
|
}( function( $ ) {
|
|
|
|
return $.widget( "ui.accordion", {
|
|
version: "@VERSION",
|
|
options: {
|
|
active: 0,
|
|
animate: {},
|
|
classes: {
|
|
"ui-accordion-header": "ui-corner-top",
|
|
"ui-accordion-header-collapsed": "ui-corner-all",
|
|
"ui-accordion-content": "ui-corner-bottom"
|
|
},
|
|
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
|
|
},
|
|
|
|
hideProps: {
|
|
borderTopWidth: "hide",
|
|
borderBottomWidth: "hide",
|
|
paddingTop: "hide",
|
|
paddingBottom: "hide",
|
|
height: "hide"
|
|
},
|
|
|
|
showProps: {
|
|
borderTopWidth: "show",
|
|
borderBottomWidth: "show",
|
|
paddingTop: "show",
|
|
paddingBottom: "show",
|
|
height: "show"
|
|
},
|
|
|
|
_create: function() {
|
|
var options = this.options;
|
|
|
|
this.prevShow = this.prevHide = $();
|
|
this._addClass( "ui-accordion", "ui-widget ui-helper-reset" );
|
|
this.element.attr( "role", "tablist" );
|
|
|
|
// Don't allow collapsible: false and active: false / null
|
|
if ( !options.collapsible && ( options.active === false || options.active == null ) ) {
|
|
options.active = 0;
|
|
}
|
|
|
|
this._processPanels();
|
|
|
|
// handle negative values
|
|
if ( options.active < 0 ) {
|
|
options.active += this.headers.length;
|
|
}
|
|
this._refresh();
|
|
},
|
|
|
|
_getCreateEventData: function() {
|
|
return {
|
|
header: this.active,
|
|
panel: !this.active.length ? $() : this.active.next()
|
|
};
|
|
},
|
|
|
|
_createIcons: function() {
|
|
var icon, children,
|
|
icons = this.options.icons;
|
|
|
|
if ( icons ) {
|
|
icon = $( "<span>" );
|
|
this._addClass( icon, "ui-accordion-header-icon", "ui-icon " + icons.header );
|
|
icon.prependTo( this.headers );
|
|
children = this.active.children( ".ui-accordion-header-icon" );
|
|
this._removeClass( children, icons.header )
|
|
._addClass( children, null, icons.activeHeader )
|
|
._addClass( this.headers, "ui-accordion-icons" );
|
|
}
|
|
},
|
|
|
|
_destroyIcons: function() {
|
|
this._removeClass( this.headers, "ui-accordion-icons" );
|
|
this.headers.children( ".ui-accordion-header-icon" ).remove();
|
|
},
|
|
|
|
_destroy: function() {
|
|
var contents;
|
|
|
|
// Clean up main element
|
|
this.element.removeAttr( "role" );
|
|
|
|
// Clean up headers
|
|
this.headers
|
|
.removeAttr( "role aria-expanded aria-selected aria-controls tabIndex" )
|
|
.removeUniqueId();
|
|
|
|
this._destroyIcons();
|
|
|
|
// Clean up content panels
|
|
contents = this.headers.next()
|
|
.css( "display", "" )
|
|
.removeAttr( "role aria-hidden aria-labelledby" )
|
|
.removeUniqueId();
|
|
|
|
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();
|
|
}
|
|
}
|
|
},
|
|
|
|
_setOptionDisabled: function( value ) {
|
|
this._super( value );
|
|
|
|
this.element.attr( "aria-disabled", value );
|
|
|
|
// Support: IE8 Only
|
|
// #5332 / #6059 - opacity doesn't cascade to positioned elements in IE
|
|
// so we need to add the disabled class to the headers and panels
|
|
this._toggleClass( null, "ui-state-disabled", !!value );
|
|
this._toggleClass( this.headers.add( this.headers.next() ), null, "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 ).trigger( "focus" );
|
|
event.preventDefault();
|
|
}
|
|
},
|
|
|
|
_panelKeyDown: function( event ) {
|
|
if ( event.keyCode === $.ui.keyCode.UP && event.ctrlKey ) {
|
|
$( event.currentTarget ).prev().trigger( "focus" );
|
|
}
|
|
},
|
|
|
|
refresh: function() {
|
|
var options = this.options;
|
|
this._processPanels();
|
|
|
|
// Was collapsed or no panel
|
|
if ( ( options.active === false && options.collapsible === true ) ||
|
|
!this.headers.length ) {
|
|
options.active = false;
|
|
this.active = $();
|
|
|
|
// active false only when collapsible is true
|
|
} else if ( options.active === false ) {
|
|
this._activate( 0 );
|
|
|
|
// was active, but active panel is gone
|
|
} else if ( this.active.length && !$.contains( this.element[ 0 ], this.active[ 0 ] ) ) {
|
|
|
|
// all remaining panel are disabled
|
|
if ( this.headers.length === this.headers.find( ".ui-state-disabled" ).length ) {
|
|
options.active = false;
|
|
this.active = $();
|
|
|
|
// activate previous panel
|
|
} else {
|
|
this._activate( Math.max( 0, options.active - 1 ) );
|
|
}
|
|
|
|
// was active, active panel still exists
|
|
} else {
|
|
|
|
// make sure active index is correct
|
|
options.active = this.headers.index( this.active );
|
|
}
|
|
|
|
this._destroyIcons();
|
|
|
|
this._refresh();
|
|
},
|
|
|
|
_processPanels: function() {
|
|
var prevHeaders = this.headers,
|
|
prevPanels = this.panels;
|
|
|
|
this.headers = this.element.find( this.options.header );
|
|
this._addClass( this.headers, "ui-accordion-header ui-accordion-header-collapsed",
|
|
"ui-state-default" );
|
|
|
|
this.panels = this.headers.next().filter( ":not(.ui-accordion-content-active)" ).hide();
|
|
this._addClass( this.panels, "ui-accordion-content", "ui-helper-reset ui-widget-content" );
|
|
|
|
// Avoid memory leaks (#10056)
|
|
if ( prevPanels ) {
|
|
this._off( prevHeaders.not( this.headers ) );
|
|
this._off( prevPanels.not( this.panels ) );
|
|
}
|
|
},
|
|
|
|
_refresh: function() {
|
|
var maxHeight,
|
|
options = this.options,
|
|
heightStyle = options.heightStyle,
|
|
parent = this.element.parent();
|
|
|
|
this.active = this._findActive( options.active );
|
|
this._addClass( this.active, "ui-accordion-header-active", "ui-state-active" )
|
|
._removeClass( this.active, "ui-accordion-header-collapsed" );
|
|
this._addClass( this.active.next(), "ui-accordion-content-active" );
|
|
this.active.next().show();
|
|
|
|
this.headers
|
|
.attr( "role", "tab" )
|
|
.each( function() {
|
|
var header = $( this ),
|
|
headerId = header.uniqueId().attr( "id" ),
|
|
panel = header.next(),
|
|
panelId = panel.uniqueId().attr( "id" );
|
|
header.attr( "aria-controls", panelId );
|
|
panel.attr( "aria-labelledby", headerId );
|
|
} )
|
|
.next()
|
|
.attr( "role", "tabpanel" );
|
|
|
|
this.headers
|
|
.not( this.active )
|
|
.attr( {
|
|
"aria-selected": "false",
|
|
"aria-expanded": "false",
|
|
tabIndex: -1
|
|
} )
|
|
.next()
|
|
.attr( {
|
|
"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",
|
|
"aria-expanded": "true",
|
|
tabIndex: 0
|
|
} )
|
|
.next()
|
|
.attr( {
|
|
"aria-hidden": "false"
|
|
} );
|
|
}
|
|
|
|
this._createIcons();
|
|
|
|
this._setupEvents( options.event );
|
|
|
|
if ( heightStyle === "fill" ) {
|
|
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 );
|
|
} );
|
|
|
|
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() {
|
|
var isVisible = $( this ).is( ":visible" );
|
|
if ( !isVisible ) {
|
|
$( this ).show();
|
|
}
|
|
maxHeight = Math.max( maxHeight, $( this ).css( "height", "" ).height() );
|
|
if ( !isVisible ) {
|
|
$( this ).hide();
|
|
}
|
|
} )
|
|
.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 = {
|
|
keydown: "_keydown"
|
|
};
|
|
if ( event ) {
|
|
$.each( event.split( " " ), function( index, eventName ) {
|
|
events[ eventName ] = "_eventHandler";
|
|
} );
|
|
}
|
|
|
|
this._off( this.headers.add( this.headers.next() ) );
|
|
this._on( this.headers, events );
|
|
this._on( this.headers.next(), { keydown: "_panelKeyDown" } );
|
|
this._hoverable( this.headers );
|
|
this._focusable( this.headers );
|
|
},
|
|
|
|
_eventHandler: function( event ) {
|
|
var activeChildren, clickedChildren,
|
|
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
|
|
this._removeClass( active, "ui-accordion-header-active", "ui-state-active" );
|
|
if ( options.icons ) {
|
|
activeChildren = active.children( ".ui-accordion-header-icon" );
|
|
this._removeClass( activeChildren, null, options.icons.activeHeader )
|
|
._addClass( activeChildren, null, options.icons.header );
|
|
}
|
|
|
|
if ( !clickedIsActive ) {
|
|
this._removeClass( clicked, "ui-accordion-header-collapsed" )
|
|
._addClass( clicked, "ui-accordion-header-active", "ui-state-active" );
|
|
if ( options.icons ) {
|
|
clickedChildren = clicked.children( ".ui-accordion-header-icon" );
|
|
this._removeClass( clickedChildren, null, options.icons.header )
|
|
._addClass( clickedChildren, null, options.icons.activeHeader );
|
|
}
|
|
|
|
this._addClass( clicked.next(), "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-hidden": "true"
|
|
} );
|
|
toHide.prev().attr( {
|
|
"aria-selected": "false",
|
|
"aria-expanded": "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,
|
|
"aria-expanded": "false"
|
|
} );
|
|
} else if ( toShow.length ) {
|
|
this.headers.filter( function() {
|
|
return parseInt( $( this ).attr( "tabIndex" ), 10 ) === 0;
|
|
} )
|
|
.attr( "tabIndex", -1 );
|
|
}
|
|
|
|
toShow
|
|
.attr( "aria-hidden", "false" )
|
|
.prev()
|
|
.attr( {
|
|
"aria-selected": "true",
|
|
"aria-expanded": "true",
|
|
tabIndex: 0
|
|
} );
|
|
},
|
|
|
|
_animate: function( toShow, toHide, data ) {
|
|
var total, easing, duration,
|
|
that = this,
|
|
adjust = 0,
|
|
boxSizing = toShow.css( "box-sizing" ),
|
|
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( this.showProps, duration, easing, complete );
|
|
}
|
|
if ( !toShow.length ) {
|
|
return toHide.animate( this.hideProps, duration, easing, complete );
|
|
}
|
|
|
|
total = toShow.show().outerHeight();
|
|
toHide.animate( this.hideProps, {
|
|
duration: duration,
|
|
easing: easing,
|
|
step: function( now, fx ) {
|
|
fx.now = Math.round( now );
|
|
}
|
|
} );
|
|
toShow
|
|
.hide()
|
|
.animate( this.showProps, {
|
|
duration: duration,
|
|
easing: easing,
|
|
complete: complete,
|
|
step: function( now, fx ) {
|
|
fx.now = Math.round( now );
|
|
if ( fx.prop !== "height" ) {
|
|
if ( boxSizing === "content-box" ) {
|
|
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,
|
|
prev = toHide.prev();
|
|
|
|
this._removeClass( toHide, "ui-accordion-content-active" );
|
|
this._removeClass( prev, "ui-accordion-header-active" )
|
|
._addClass( prev, "ui-accordion-header-collapsed" );
|
|
|
|
// Work around for rendering bug in IE (#5421)
|
|
if ( toHide.length ) {
|
|
toHide.parent()[ 0 ].className = toHide.parent()[ 0 ].className;
|
|
}
|
|
this._trigger( "activate", null, data );
|
|
}
|
|
} );
|
|
|
|
} ) );
|