/instantMessage/bower_components/jquery-ui/ui/widgets/accordion.js |
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/*! |
* jQuery UI Accordion 1.12.1 |
* 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 |
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( 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: "1.12.1", |
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", "" ); |
} |
}, |
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_setOption: function( key, value ) { |
if ( key === "active" ) { |
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// _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 ); |
} |
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this._super( key, value ); |
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// 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(); |
} |
} |
}, |
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_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(); |
} |
}, |
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_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 ) ); |
} |
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// was active, active panel still exists |
} else { |
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// make sure active index is correct |
options.active = this.headers.index( this.active ); |
} |
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this._destroyIcons(); |
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this._refresh(); |
}, |
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_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" |
} ); |
} |
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this._createIcons(); |
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this._setupEvents( options.event ); |
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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 ); |
} ); |
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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 ); |
} |
}, |
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_activate: function( index ) { |
var active = this._findActive( index )[ 0 ]; |
|
// Trying to activate the already active panel |
if ( active === this.active[ 0 ] ) { |
return; |
} |
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// Trying to collapse, simulate a click on the currently active header |
active = active || this.active[ 0 ]; |
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this._eventHandler( { |
target: active, |
currentTarget: active, |
preventDefault: $.noop |
} ); |
}, |
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_findActive: function( selector ) { |
return typeof selector === "number" ? this.headers.eq( selector ) : $(); |
}, |
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_setupEvents: function( event ) { |
var events = { |
keydown: "_keydown" |
}; |
if ( event ) { |
$.each( event.split( " " ), function( index, eventName ) { |
events[ eventName ] = "_eventHandler"; |
} ); |
} |
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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 |
}; |
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event.preventDefault(); |
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if ( |
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// click on active header, but not collapsible |
( clickedIsActive && !options.collapsible ) || |
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// allow canceling activation |
( this._trigger( "beforeActivate", event, eventData ) === false ) ) { |
return; |
} |
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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 |
// it causes a very odd bug in IE 8 (see #6720) |
this.active = clickedIsActive ? $() : clicked; |
this._toggle( eventData ); |
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// 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 ); |
} |
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this._addClass( clicked.next(), "ui-accordion-content-active" ); |
} |
}, |
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_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; |
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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; |
} |
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// 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; |
} |
} |
} ); |
}, |
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_toggleComplete: function( data ) { |
var toHide = data.oldPanel, |
prev = toHide.prev(); |
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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 ); |
} |
} ); |
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} ) ); |