kuasha/cosmos

View on GitHub
samples/adminpanel/app/bower_components/jquery-ui/ui/tabs.js

Summary

Maintainability
F
1 mo
Test Coverage
/*!
 * jQuery UI Tabs 1.11.0
 * http://jqueryui.com
 *
 * Copyright 2014 jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 *
 * http://api.jqueryui.com/tabs/
 */
(function( factory ) {
    if ( typeof define === "function" && define.amd ) {

        // AMD. Register as an anonymous module.
        define([
            "jquery",
            "./core",
            "./widget"
        ], factory );
    } else {

        // Browser globals
        factory( jQuery );
    }
}(function( $ ) {

return $.widget( "ui.tabs", {
    version: "1.11.0",
    delay: 300,
    options: {
        active: null,
        collapsible: false,
        event: "click",
        heightStyle: "content",
        hide: null,
        show: null,

        // callbacks
        activate: null,
        beforeActivate: null,
        beforeLoad: null,
        load: null
    },

    _isLocal: (function() {
        var rhash = /#.*$/;

        return function( anchor ) {
            var anchorUrl, locationUrl;

            // support: IE7
            // IE7 doesn't normalize the href property when set via script (#9317)
            anchor = anchor.cloneNode( false );

            anchorUrl = anchor.href.replace( rhash, "" );
            locationUrl = location.href.replace( rhash, "" );

            // decoding may throw an error if the URL isn't UTF-8 (#9518)
            try {
                anchorUrl = decodeURIComponent( anchorUrl );
            } catch ( error ) {}
            try {
                locationUrl = decodeURIComponent( locationUrl );
            } catch ( error ) {}

            return anchor.hash.length > 1 && anchorUrl === locationUrl;
        };
    })(),

    _create: function() {
        var that = this,
            options = this.options;

        this.running = false;

        this.element
            .addClass( "ui-tabs ui-widget ui-widget-content ui-corner-all" )
            .toggleClass( "ui-tabs-collapsible", options.collapsible )
            // Prevent users from focusing disabled tabs via click
            .delegate( ".ui-tabs-nav > li", "mousedown" + this.eventNamespace, function( event ) {
                if ( $( this ).is( ".ui-state-disabled" ) ) {
                    event.preventDefault();
                }
            })
            // support: IE <9
            // Preventing the default action in mousedown doesn't prevent IE
            // from focusing the element, so if the anchor gets focused, blur.
            // We don't have to worry about focusing the previously focused
            // element since clicking on a non-focusable element should focus
            // the body anyway.
            .delegate( ".ui-tabs-anchor", "focus" + this.eventNamespace, function() {
                if ( $( this ).closest( "li" ).is( ".ui-state-disabled" ) ) {
                    this.blur();
                }
            });

        this._processTabs();
        options.active = this._initialActive();

        // Take disabling tabs via class attribute from HTML
        // into account and update option properly.
        if ( $.isArray( options.disabled ) ) {
            options.disabled = $.unique( 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 );

        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;
                    }
                });
            }

            // 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 key will prevent automatic activation
        if ( !event.ctrlKey ) {
            // 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.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 ).focus();
        return index;
    },

    _setOption: function( key, value ) {
        if ( key === "active" ) {
            // _activate() will handle invalid values and update this.options
            this._activate( value );
            return;
        }

        if ( key === "disabled" ) {
            // don't use the widget factory's disabled handling
            this._setupDisabled( value );
            return;
        }

        this._super( key, value);

        if ( key === "collapsible" ) {
            this.element.toggleClass( "ui-tabs-collapsible", 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 );
        }
    },

    _sanitizeSelector: function( hash ) {
        return hash ? hash.replace( /[!"$%&'()*+,.\/:;<=>?@\[\]\^`{|}~]/g, "\\$&" ) : "";
    },

    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._setupDisabled( 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
                .addClass( "ui-tabs-active ui-state-active" )
                .attr({
                    "aria-selected": "true",
                    "aria-expanded": "true",
                    tabIndex: 0
                });
            this._getPanelForTab( this.active )
                .show()
                .attr({
                    "aria-hidden": "false"
                });
        }
    },

    _processTabs: function() {
        var that = this;

        this.tablist = this._getList()
            .addClass( "ui-tabs-nav ui-helper-reset ui-helper-clearfix ui-widget-header ui-corner-all" )
            .attr( "role", "tablist" );

        this.tabs = this.tablist.find( "> li:has(a[href])" )
            .addClass( "ui-state-default ui-corner-top" )
            .attr({
                role: "tab",
                tabIndex: -1
            });

        this.anchors = this.tabs.map(function() {
                return $( "a", this )[ 0 ];
            })
            .addClass( "ui-tabs-anchor" )
            .attr({
                role: "presentation",
                tabIndex: -1
            });

        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 ) ) {
                selector = anchor.hash;
                panelId = selector.substring( 1 );
                panel = that.element.find( that._sanitizeSelector( selector ) );
            // 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
            .addClass( "ui-tabs-panel ui-widget-content ui-corner-bottom" )
            .attr( "role", "tabpanel" );
    },

    // 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 )
            .addClass( "ui-tabs-panel ui-widget-content ui-corner-bottom" )
            .data( "ui-tabs-destroy", true );
    },

    _setupDisabled: function( disabled ) {
        if ( $.isArray( disabled ) ) {
            if ( !disabled.length ) {
                disabled = false;
            } else if ( disabled.length === this.anchors.length ) {
                disabled = true;
            }
        }

        // disable tabs
        for ( var i = 0, li; ( li = this.tabs[ i ] ); i++ ) {
            if ( disabled === true || $.inArray( i, disabled ) !== -1 ) {
                $( li )
                    .addClass( "ui-state-disabled" )
                    .attr( "aria-disabled", "true" );
            } else {
                $( li )
                    .removeClass( "ui-state-disabled" )
                    .removeAttr( "aria-disabled" );
            }
        }

        this.options.disabled = disabled;
    },

    _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() {
            eventData.newTab.closest( "li" ).addClass( "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() {
                eventData.oldTab.closest( "li" ).removeClass( "ui-tabs-active ui-state-active" );
                show();
            });
        } else {
            eventData.oldTab.closest( "li" ).removeClass( "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$='" + index + "']" ) );
        }

        return index;
    },

    _destroy: function() {
        if ( this.xhr ) {
            this.xhr.abort();
        }

        this.element.removeClass( "ui-tabs ui-widget ui-widget-content ui-corner-all ui-tabs-collapsible" );

        this.tablist
            .removeClass( "ui-tabs-nav ui-helper-reset ui-helper-clearfix ui-widget-header ui-corner-all" )
            .removeAttr( "role" );

        this.anchors
            .removeClass( "ui-tabs-anchor" )
            .removeAttr( "role" )
            .removeAttr( "tabIndex" )
            .removeUniqueId();

        this.tabs.add( this.panels ).each(function() {
            if ( $.data( this, "ui-tabs-destroy" ) ) {
                $( this ).remove();
            } else {
                $( this )
                    .removeClass( "ui-state-default ui-state-active ui-state-disabled " +
                        "ui-corner-top ui-corner-bottom ui-widget-content ui-tabs-active ui-tabs-panel" )
                    .removeAttr( "tabIndex" )
                    .removeAttr( "aria-live" )
                    .removeAttr( "aria-busy" )
                    .removeAttr( "aria-selected" )
                    .removeAttr( "aria-labelledby" )
                    .removeAttr( "aria-hidden" )
                    .removeAttr( "aria-expanded" )
                    .removeAttr( "role" );
            }
        });

        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 ( $.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._setupDisabled( 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 ( $.isArray( disabled ) ) {
                disabled = $.merge( [ index ], disabled ).sort();
            } else {
                disabled = [ index ];
            }
        }
        this._setupDisabled( 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
            };

        // not remote
        if ( this._isLocal( anchor[ 0 ] ) ) {
            return;
        }

        this.xhr = $.ajax( this._ajaxSettings( anchor, event, eventData ) );

        // support: jQuery <1.8
        // jQuery <1.8 returns false if the request is canceled in beforeSend,
        // but as of 1.8, $.ajax() always returns a jqXHR object.
        if ( this.xhr && this.xhr.statusText !== "canceled" ) {
            tab.addClass( "ui-tabs-loading" );
            panel.attr( "aria-busy", "true" );

            this.xhr
                .success(function( response ) {
                    // support: jQuery <1.8
                    // http://bugs.jquery.com/ticket/11778
                    setTimeout(function() {
                        panel.html( response );
                        that._trigger( "load", event, eventData );
                    }, 1 );
                })
                .complete(function( jqXHR, status ) {
                    // support: jQuery <1.8
                    // http://bugs.jquery.com/ticket/11778
                    setTimeout(function() {
                        if ( status === "abort" ) {
                            that.panels.stop( false, true );
                        }

                        tab.removeClass( "ui-tabs-loading" );
                        panel.removeAttr( "aria-busy" );

                        if ( jqXHR === that.xhr ) {
                            delete that.xhr;
                        }
                    }, 1 );
                });
        }
    },

    _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( this._sanitizeSelector( "#" + id ) );
    }
});

}));