JezK

Edit File: tabs.js

/*! * jQuery UI Tabs 1.14.2 * https://jqueryui.com * * Copyright OpenJS Foundation and other contributors * Released under the MIT license. * https://jquery.org/license */ //>>label: Tabs //>>group: Widgets //>>description: Transforms a set of container elements into a tab structure. //>>docs: https://api.jqueryui.com/tabs/ //>>demos: https://jqueryui.com/tabs/ //>>css.structure: ../../themes/base/core.css //>>css.structure: ../../themes/base/tabs.css //>>css.theme: ../../themes/base/theme.css ( function( factory ) { "use strict"; if ( typeof define === "function" && define.amd ) { // AMD. Register as an anonymous module. define( [ "jquery", "../keycode", "../unique-id", "../version", "../widget" ], factory ); } else { // Browser globals factory( jQuery ); } } )( function( $ ) { "use strict"; $.widget( "ui.tabs", { version: "1.14.2", delay: 300, options: { active: null, classes: { "ui-tabs": "ui-corner-all", "ui-tabs-nav": "ui-corner-all", "ui-tabs-panel": "ui-corner-bottom", "ui-tabs-tab": "ui-corner-top" }, collapsible: false, event: "click", heightStyle: "content", hide: null, show: null, // Callbacks activate: null, beforeActivate: null, beforeLoad: null, load: null }, _isLocal: function( anchor ) { var anchorUrl = new URL( anchor.href ), locationUrl = new URL( location.href ); return anchor.hash.length > 1 && // `href` may contain a hash but also username & password; // we want to ignore them, so we check the three fields // below instead. anchorUrl.origin === locationUrl.origin && anchorUrl.pathname === locationUrl.pathname && anchorUrl.search === locationUrl.search; }, _create: function() { var that = this, options = this.options; this.running = false; this._addClass( "ui-tabs", "ui-widget ui-widget-content" ); this._toggleClass( "ui-tabs-collapsible", null, options.collapsible ); this._processTabs(); options.active = this._initialActive(); // Take disabling tabs via class attribute from HTML // into account and update option properly. if ( Array.isArray( options.disabled ) ) { options.disabled = $.uniqueSort( options.disabled.concat( $.map( this.tabs.filter( ".ui-state-disabled" ), function( li ) { return that.tabs.index( li ); } ) ) ).sort(); } // Check for length avoids error when initializing empty list if ( this.options.active !== false && this.anchors.length ) { this.active = this._findActive( options.active ); } else { this.active = $(); } this._refresh(); if ( this.active.length ) { this.load( options.active ); } }, _initialActive: function() { var active = this.options.active, collapsible = this.options.collapsible, locationHash = location.hash.substring( 1 ), locationHashDecoded = decodeURIComponent( locationHash ); if ( active === null ) { // check the fragment identifier in the URL if ( locationHash ) { this.tabs.each( function( i, tab ) { if ( $( tab ).attr( "aria-controls" ) === locationHash ) { active = i; return false; } } ); // If not found, decode the hash & try again. // See the comment in `_processTabs` under the `_isLocal` check // for more information. if ( active === null ) { this.tabs.each( function( i, tab ) { if ( $( tab ).attr( "aria-controls" ) === locationHashDecoded ) { active = i; return false; } } ); } } // Check for a tab marked active via a class if ( active === null ) { active = this.tabs.index( this.tabs.filter( ".ui-tabs-active" ) ); } // No active tab, set to false if ( active === null || active === -1 ) { active = this.tabs.length ? 0 : false; } } // Handle numbers: negative, out of range if ( active !== false ) { active = this.tabs.index( this.tabs.eq( active ) ); if ( active === -1 ) { active = collapsible ? false : 0; } } // Don't allow collapsible: false and active: false if ( !collapsible && active === false && this.anchors.length ) { active = 0; } return active; }, _getCreateEventData: function() { return { tab: this.active, panel: !this.active.length ? $() : this._getPanelForTab( this.active ) }; }, _tabKeydown: function( event ) { var focusedTab = $( this.document[ 0 ].activeElement ).closest( "li" ), selectedIndex = this.tabs.index( focusedTab ), goingForward = true; if ( this._handlePageNav( event ) ) { return; } switch ( event.keyCode ) { case $.ui.keyCode.RIGHT: case $.ui.keyCode.DOWN: selectedIndex++; break; case $.ui.keyCode.UP: case $.ui.keyCode.LEFT: goingForward = false; selectedIndex--; break; case $.ui.keyCode.END: selectedIndex = this.anchors.length - 1; break; case $.ui.keyCode.HOME: selectedIndex = 0; break; case $.ui.keyCode.SPACE: // Activate only, no collapsing event.preventDefault(); clearTimeout( this.activating ); this._activate( selectedIndex ); return; case $.ui.keyCode.ENTER: // Toggle (cancel delayed activation, allow collapsing) event.preventDefault(); clearTimeout( this.activating ); // Determine if we should collapse or activate this._activate( selectedIndex === this.options.active ? false : selectedIndex ); return; default: return; } // Focus the appropriate tab, based on which key was pressed event.preventDefault(); clearTimeout( this.activating ); selectedIndex = this._focusNextTab( selectedIndex, goingForward ); // Navigating with control/command key will prevent automatic activation if ( !event.ctrlKey && !event.metaKey ) { // Update aria-selected immediately so that AT think the tab is already selected. // Otherwise AT may confuse the user by stating that they need to activate the tab, // but the tab will already be activated by the time the announcement finishes. focusedTab.attr( "aria-selected", "false" ); this.tabs.eq( selectedIndex ).attr( "aria-selected", "true" ); this.activating = this._delay( function() { this.option( "active", selectedIndex ); }, this.delay ); } }, _panelKeydown: function( event ) { if ( this._handlePageNav( event ) ) { return; } // Ctrl+up moves focus to the current tab if ( event.ctrlKey && event.keyCode === $.ui.keyCode.UP ) { event.preventDefault(); this.active.trigger( "focus" ); } }, // Alt+page up/down moves focus to the previous/next tab (and activates) _handlePageNav: function( event ) { if ( event.altKey && event.keyCode === $.ui.keyCode.PAGE_UP ) { this._activate( this._focusNextTab( this.options.active - 1, false ) ); return true; } if ( event.altKey && event.keyCode === $.ui.keyCode.PAGE_DOWN ) { this._activate( this._focusNextTab( this.options.active + 1, true ) ); return true; } }, _findNextTab: function( index, goingForward ) { var lastTabIndex = this.tabs.length - 1; function constrain() { if ( index > lastTabIndex ) { index = 0; } if ( index < 0 ) { index = lastTabIndex; } return index; } while ( $.inArray( constrain(), this.options.disabled ) !== -1 ) { index = goingForward ? index + 1 : index - 1; } return index; }, _focusNextTab: function( index, goingForward ) { index = this._findNextTab( index, goingForward ); this.tabs.eq( index ).trigger( "focus" ); return index; }, _setOption: function( key, value ) { if ( key === "active" ) { // _activate() will handle invalid values and update this.options this._activate( value ); return; } this._super( key, value ); if ( key === "collapsible" ) { this._toggleClass( "ui-tabs-collapsible", null, value ); // Setting collapsible: false while collapsed; open first panel if ( !value && this.options.active === false ) { this._activate( 0 ); } } if ( key === "event" ) { this._setupEvents( value ); } if ( key === "heightStyle" ) { this._setupHeightStyle( value ); } }, refresh: function() { var options = this.options, lis = this.tablist.children( ":has(a[href])" ); // Get disabled tabs from class attribute from HTML // this will get converted to a boolean if needed in _refresh() options.disabled = $.map( lis.filter( ".ui-state-disabled" ), function( tab ) { return lis.index( tab ); } ); this._processTabs(); // Was collapsed or no tabs if ( options.active === false || !this.anchors.length ) { options.active = false; this.active = $(); // was active, but active tab is gone } else if ( this.active.length && !$.contains( this.tablist[ 0 ], this.active[ 0 ] ) ) { // all remaining tabs are disabled if ( this.tabs.length === options.disabled.length ) { options.active = false; this.active = $(); // activate previous tab } else { this._activate( this._findNextTab( Math.max( 0, options.active - 1 ), false ) ); } // was active, active tab still exists } else { // make sure active index is correct options.active = this.tabs.index( this.active ); } this._refresh(); }, _refresh: function() { this._setOptionDisabled( this.options.disabled ); this._setupEvents( this.options.event ); this._setupHeightStyle( this.options.heightStyle ); this.tabs.not( this.active ).attr( { "aria-selected": "false", "aria-expanded": "false", tabIndex: -1 } ); this.panels.not( this._getPanelForTab( this.active ) ) .hide() .attr( { "aria-hidden": "true" } ); // Make sure one tab is in the tab order if ( !this.active.length ) { this.tabs.eq( 0 ).attr( "tabIndex", 0 ); } else { this.active .attr( { "aria-selected": "true", "aria-expanded": "true", tabIndex: 0 } ); this._addClass( this.active, "ui-tabs-active", "ui-state-active" ); this._getPanelForTab( this.active ) .show() .attr( { "aria-hidden": "false" } ); } }, _processTabs: function() { var that = this, prevTabs = this.tabs, prevAnchors = this.anchors, prevPanels = this.panels; this.tablist = this._getList().attr( "role", "tablist" ); this._addClass( this.tablist, "ui-tabs-nav", "ui-helper-reset ui-helper-clearfix ui-widget-header" ); // Prevent users from focusing disabled tabs via click this.tablist .on( "mousedown" + this.eventNamespace, "> li", function( event ) { if ( $( this ).is( ".ui-state-disabled" ) ) { event.preventDefault(); } } ); this.tabs = this.tablist.find( "> li:has(a[href])" ) .attr( { role: "tab", tabIndex: -1 } ); this._addClass( this.tabs, "ui-tabs-tab", "ui-state-default" ); this.anchors = this.tabs.map( function() { return $( "a", this )[ 0 ]; } ) .attr( { tabIndex: -1 } ); this._addClass( this.anchors, "ui-tabs-anchor" ); this.panels = $(); this.anchors.each( function( i, anchor ) { var selector, panel, panelId, anchorId = $( anchor ).uniqueId().attr( "id" ), tab = $( anchor ).closest( "li" ), originalAriaControls = tab.attr( "aria-controls" ); // Inline tab if ( that._isLocal( anchor ) ) { // The "scrolling to a fragment" section of the HTML spec: // https://html.spec.whatwg.org/#scrolling-to-a-fragment // uses a concept of document's indicated part: // https://html.spec.whatwg.org/#the-indicated-part-of-the-document // Slightly below there's an algorithm to compute the indicated // part: // https://html.spec.whatwg.org/#the-indicated-part-of-the-document // First, the algorithm tries the hash as-is, without decoding. // Then, if one is not found, the same is attempted with a decoded // hash. Replicate this logic. selector = anchor.hash; panelId = selector.substring( 1 ); panel = that.element.find( "#" + CSS.escape( panelId ) ); if ( !panel.length ) { panelId = decodeURIComponent( panelId ); panel = that.element.find( "#" + CSS.escape( panelId ) ); } // remote tab } else { // If the tab doesn't already have aria-controls, // generate an id by using a throw-away element panelId = tab.attr( "aria-controls" ) || $( {} ).uniqueId()[ 0 ].id; selector = "#" + panelId; panel = that.element.find( selector ); if ( !panel.length ) { panel = that._createPanel( panelId ); panel.insertAfter( that.panels[ i - 1 ] || that.tablist ); } panel.attr( "aria-live", "polite" ); } if ( panel.length ) { that.panels = that.panels.add( panel ); } if ( originalAriaControls ) { tab.data( "ui-tabs-aria-controls", originalAriaControls ); } tab.attr( { "aria-controls": panelId, "aria-labelledby": anchorId } ); panel.attr( "aria-labelledby", anchorId ); } ); this.panels.attr( "role", "tabpanel" ); this._addClass( this.panels, "ui-tabs-panel", "ui-widget-content" ); // Avoid memory leaks (#10056) if ( prevTabs ) { this._off( prevTabs.not( this.tabs ) ); this._off( prevAnchors.not( this.anchors ) ); this._off( prevPanels.not( this.panels ) ); } }, // Allow overriding how to find the list for rare usage scenarios (#7715) _getList: function() { return this.tablist || this.element.find( "ol, ul" ).eq( 0 ); }, _createPanel: function( id ) { return $( "<div>" ) .attr( "id", id ) .data( "ui-tabs-destroy", true ); }, _setOptionDisabled: function( disabled ) { var currentItem, li, i; if ( Array.isArray( disabled ) ) { if ( !disabled.length ) { disabled = false; } else if ( disabled.length === this.anchors.length ) { disabled = true; } } // Disable tabs for ( i = 0; ( li = this.tabs[ i ] ); i++ ) { currentItem = $( li ); if ( disabled === true || $.inArray( i, disabled ) !== -1 ) { currentItem.attr( "aria-disabled", "true" ); this._addClass( currentItem, null, "ui-state-disabled" ); } else { currentItem.removeAttr( "aria-disabled" ); this._removeClass( currentItem, null, "ui-state-disabled" ); } } this.options.disabled = disabled; this._toggleClass( this.widget(), this.widgetFullName + "-disabled", null, disabled === true ); }, _setupEvents: function( event ) { var events = {}; if ( event ) { $.each( event.split( " " ), function( index, eventName ) { events[ eventName ] = "_eventHandler"; } ); } this._off( this.anchors.add( this.tabs ).add( this.panels ) ); // Always prevent the default action, even when disabled this._on( true, this.anchors, { click: function( event ) { event.preventDefault(); } } ); this._on( this.anchors, events ); this._on( this.tabs, { keydown: "_tabKeydown" } ); this._on( this.panels, { keydown: "_panelKeydown" } ); this._focusable( this.tabs ); this._hoverable( this.tabs ); }, _setupHeightStyle: function( heightStyle ) { var maxHeight, parent = this.element.parent(); if ( heightStyle === "fill" ) { maxHeight = parent.height(); maxHeight -= this.element.outerHeight() - this.element.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.element.children().not( this.panels ).each( function() { maxHeight -= $( this ).outerHeight( true ); } ); this.panels.each( function() { $( this ).height( Math.max( 0, maxHeight - $( this ).innerHeight() + $( this ).height() ) ); } ) .css( "overflow", "auto" ); } else if ( heightStyle === "auto" ) { maxHeight = 0; this.panels.each( function() { maxHeight = Math.max( maxHeight, $( this ).height( "" ).height() ); } ).height( maxHeight ); } }, _eventHandler: function( event ) { var options = this.options, active = this.active, anchor = $( event.currentTarget ), tab = anchor.closest( "li" ), clickedIsActive = tab[ 0 ] === active[ 0 ], collapsing = clickedIsActive && options.collapsible, toShow = collapsing ? $() : this._getPanelForTab( tab ), toHide = !active.length ? $() : this._getPanelForTab( active ), eventData = { oldTab: active, oldPanel: toHide, newTab: collapsing ? $() : tab, newPanel: toShow }; event.preventDefault(); if ( tab.hasClass( "ui-state-disabled" ) || // tab is already loading tab.hasClass( "ui-tabs-loading" ) || // can't switch durning an animation this.running || // 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.tabs.index( tab ); this.active = clickedIsActive ? $() : tab; if ( this.xhr ) { this.xhr.abort(); } if ( !toHide.length && !toShow.length ) { $.error( "jQuery UI Tabs: Mismatching fragment identifier." ); } if ( toShow.length ) { this.load( this.tabs.index( tab ), event ); } this._toggle( event, eventData ); }, // Handles show/hide for selecting tabs _toggle: function( event, eventData ) { var that = this, toShow = eventData.newPanel, toHide = eventData.oldPanel; this.running = true; function complete() { that.running = false; that._trigger( "activate", event, eventData ); } function show() { that._addClass( eventData.newTab.closest( "li" ), "ui-tabs-active", "ui-state-active" ); if ( toShow.length && that.options.show ) { that._show( toShow, that.options.show, complete ); } else { toShow.show(); complete(); } } // Start out by hiding, then showing, then completing if ( toHide.length && this.options.hide ) { this._hide( toHide, this.options.hide, function() { that._removeClass( eventData.oldTab.closest( "li" ), "ui-tabs-active", "ui-state-active" ); show(); } ); } else { this._removeClass( eventData.oldTab.closest( "li" ), "ui-tabs-active", "ui-state-active" ); toHide.hide(); show(); } toHide.attr( "aria-hidden", "true" ); eventData.oldTab.attr( { "aria-selected": "false", "aria-expanded": "false" } ); // If we're switching tabs, remove the old tab from the tab order. // If we're opening from collapsed state, remove the previous tab from the tab order. // If we're collapsing, then keep the collapsing tab in the tab order. if ( toShow.length && toHide.length ) { eventData.oldTab.attr( "tabIndex", -1 ); } else if ( toShow.length ) { this.tabs.filter( function() { return $( this ).attr( "tabIndex" ) === 0; } ) .attr( "tabIndex", -1 ); } toShow.attr( "aria-hidden", "false" ); eventData.newTab.attr( { "aria-selected": "true", "aria-expanded": "true", tabIndex: 0 } ); }, _activate: function( index ) { var anchor, active = this._findActive( index ); // Trying to activate the already active panel if ( active[ 0 ] === this.active[ 0 ] ) { return; } // Trying to collapse, simulate a click on the current active header if ( !active.length ) { active = this.active; } anchor = active.find( ".ui-tabs-anchor" )[ 0 ]; this._eventHandler( { target: anchor, currentTarget: anchor, preventDefault: $.noop } ); }, _findActive: function( index ) { return index === false ? $() : this.tabs.eq( index ); }, _getIndex: function( index ) { // meta-function to give users option to provide a href string instead of a numerical index. if ( typeof index === "string" ) { index = this.anchors.index( this.anchors.filter( "[href$='" + CSS.escape( index ) + "']" ) ); } return index; }, _destroy: function() { if ( this.xhr ) { this.xhr.abort(); } this.tablist .removeAttr( "role" ) .off( this.eventNamespace ); this.anchors .removeAttr( "role tabIndex" ) .removeUniqueId(); this.tabs.add( this.panels ).each( function() { if ( $.data( this, "ui-tabs-destroy" ) ) { $( this ).remove(); } else { $( this ).removeAttr( "role tabIndex " + "aria-live aria-busy aria-selected aria-labelledby aria-hidden aria-expanded" ); } } ); this.tabs.each( function() { var li = $( this ), prev = li.data( "ui-tabs-aria-controls" ); if ( prev ) { li .attr( "aria-controls", prev ) .removeData( "ui-tabs-aria-controls" ); } else { li.removeAttr( "aria-controls" ); } } ); this.panels.show(); if ( this.options.heightStyle !== "content" ) { this.panels.css( "height", "" ); } }, enable: function( index ) { var disabled = this.options.disabled; if ( disabled === false ) { return; } if ( index === undefined ) { disabled = false; } else { index = this._getIndex( index ); if ( Array.isArray( disabled ) ) { disabled = $.map( disabled, function( num ) { return num !== index ? num : null; } ); } else { disabled = $.map( this.tabs, function( li, num ) { return num !== index ? num : null; } ); } } this._setOptionDisabled( disabled ); }, disable: function( index ) { var disabled = this.options.disabled; if ( disabled === true ) { return; } if ( index === undefined ) { disabled = true; } else { index = this._getIndex( index ); if ( $.inArray( index, disabled ) !== -1 ) { return; } if ( Array.isArray( disabled ) ) { disabled = $.merge( [ index ], disabled ).sort(); } else { disabled = [ index ]; } } this._setOptionDisabled( disabled ); }, load: function( index, event ) { index = this._getIndex( index ); var that = this, tab = this.tabs.eq( index ), anchor = tab.find( ".ui-tabs-anchor" ), panel = this._getPanelForTab( tab ), eventData = { tab: tab, panel: panel }, complete = function( jqXHR, status ) { if ( status === "abort" ) { that.panels.stop( false, true ); } that._removeClass( tab, "ui-tabs-loading" ); panel.removeAttr( "aria-busy" ); if ( jqXHR === that.xhr ) { delete that.xhr; } }; // Not remote if ( this._isLocal( anchor[ 0 ] ) ) { return; } this.xhr = $.ajax( this._ajaxSettings( anchor, event, eventData ) ); if ( this.xhr.statusText !== "canceled" ) { this._addClass( tab, "ui-tabs-loading" ); panel.attr( "aria-busy", "true" ); this.xhr .done( function( response, status, jqXHR ) { panel.html( response ); that._trigger( "load", event, eventData ); complete( jqXHR, status ); } ) .fail( function( jqXHR, status ) { complete( jqXHR, status ); } ); } }, _ajaxSettings: function( anchor, event, eventData ) { var that = this; return { url: anchor.attr( "href" ), beforeSend: function( jqXHR, settings ) { return that._trigger( "beforeLoad", event, $.extend( { jqXHR: jqXHR, ajaxSettings: settings }, eventData ) ); } }; }, _getPanelForTab: function( tab ) { var id = $( tab ).attr( "aria-controls" ); return this.element.find( "#" + CSS.escape( id ) ); } } ); // DEPRECATED // TODO: Switch return back to widget declaration at top of file when this is removed if ( $.uiBackCompat === true ) { // Backcompat for ui-tab class (now ui-tabs-tab) $.widget( "ui.tabs", $.ui.tabs, { _processTabs: function() { this._superApply( arguments ); this._addClass( this.tabs, "ui-tab" ); } } ); } return $.ui.tabs; } );
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