--- /dev/null
+<!DOCTYPE html><html><head><title>Sencha Documentation Project</title><link rel="stylesheet" href="../reset.css" type="text/css"><link rel="stylesheet" href="../prettify.css" type="text/css"><link rel="stylesheet" href="../prettify_sa.css" type="text/css"><script type="text/javascript" src="../prettify.js"></script></head><body onload="prettyPrint()"><pre class="prettyprint"><pre><span id='Ext-tab.Tab'>/**
+</span> * @author Ed Spencer
+ * @class Ext.tab.Tab
+ * @extends Ext.button.Button
+ *
+ * <p>Represents a single Tab in a {@link Ext.tab.Panel TabPanel}. A Tab is simply a slightly customized {@link Ext.button.Button Button},
+ * styled to look like a tab. Tabs are optionally closable, and can also be disabled. 99% of the time you will not
+ * need to create Tabs manually as the framework does so automatically when you use a {@link Ext.tab.Panel TabPanel}</p>
+ *
+ * @xtype tab
+ */
+Ext.define('Ext.tab.Tab', {
+ extend: 'Ext.button.Button',
+ alias: 'widget.tab',
+
+ requires: [
+ 'Ext.layout.component.Tab',
+ 'Ext.util.KeyNav'
+ ],
+
+ componentLayout: 'tab',
+
+ isTab: true,
+
+ baseCls: Ext.baseCSSPrefix + 'tab',
+
+<span id='Ext-tab.Tab-cfg-activeCls'> /**
+</span> * @cfg {String} activeCls
+ * The CSS class to be applied to a Tab when it is active. Defaults to 'x-tab-active'.
+ * Providing your own CSS for this class enables you to customize the active state.
+ */
+ activeCls: 'active',
+
+<span id='Ext-tab.Tab-cfg-disabledCls'> /**
+</span> * @cfg {String} disabledCls
+ * The CSS class to be applied to a Tab when it is disabled. Defaults to 'x-tab-disabled'.
+ */
+
+<span id='Ext-tab.Tab-cfg-closableCls'> /**
+</span> * @cfg {String} closableCls
+ * The CSS class which is added to the tab when it is closable
+ */
+ closableCls: 'closable',
+
+<span id='Ext-tab.Tab-cfg-closable'> /**
+</span> * @cfg {Boolean} closable True to make the Tab start closable (the close icon will be visible). Defaults to true
+ */
+ closable: true,
+
+<span id='Ext-tab.Tab-cfg-closeText'> /**
+</span> * @cfg {String} closeText
+ * The accessible text label for the close button link; only used when {@link #closable} = true.
+ * Defaults to 'Close Tab'.
+ */
+ closeText: 'Close Tab',
+
+<span id='Ext-tab.Tab-property-Boolean'> /**
+</span> * @property Boolean
+ * Read-only property indicating that this tab is currently active. This is NOT a public configuration.
+ */
+ active: false,
+
+<span id='Ext-tab.Tab-property-closable'> /**
+</span> * @property closable
+ * @type Boolean
+ * True if the tab is currently closable
+ */
+
+ scale: false,
+
+ position: 'top',
+
+ initComponent: function() {
+ var me = this;
+
+ me.addEvents(
+<span id='Ext-tab.Tab-event-activate'> /**
+</span> * @event activate
+ * @param {Ext.tab.Tab} this
+ */
+ 'activate',
+
+<span id='Ext-tab.Tab-event-deactivate'> /**
+</span> * @event deactivate
+ * @param {Ext.tab.Tab} this
+ */
+ 'deactivate',
+
+<span id='Ext-tab.Tab-event-beforeclose'> /**
+</span> * @event beforeclose
+ * Fires if the user clicks on the Tab's close button, but before the {@link #close} event is fired. Return
+ * false from any listener to stop the close event being fired
+ * @param {Ext.tab.Tab} tab The Tab object
+ */
+ 'beforeclose',
+
+<span id='Ext-tab.Tab-event-beforeclose'> /**
+</span> * @event beforeclose
+ * Fires to indicate that the tab is to be closed, usually because the user has clicked the close button.
+ * @param {Ext.tab.Tab} tab The Tab object
+ */
+ 'close'
+ );
+
+ me.callParent(arguments);
+
+ if (me.card) {
+ me.setCard(me.card);
+ }
+ },
+
+<span id='Ext-tab.Tab-method-onRender'> /**
+</span> * @ignore
+ */
+ onRender: function() {
+ var me = this;
+
+ me.addClsWithUI(me.position);
+
+ // Set all the state classNames, as they need to include the UI
+ // me.disabledCls = me.getClsWithUIs('disabled');
+
+ me.syncClosableUI();
+
+ me.callParent(arguments);
+
+ if (me.active) {
+ me.activate(true);
+ }
+
+ me.syncClosableElements();
+
+ me.keyNav = Ext.create('Ext.util.KeyNav', me.el, {
+ enter: me.onEnterKey,
+ del: me.onDeleteKey,
+ scope: me
+ });
+ },
+
+ // inherit docs
+ enable : function(silent) {
+ var me = this;
+
+ me.callParent(arguments);
+
+ me.removeClsWithUI(me.position + '-disabled');
+
+ return me;
+ },
+
+ // inherit docs
+ disable : function(silent) {
+ var me = this;
+
+ me.callParent(arguments);
+
+ me.addClsWithUI(me.position + '-disabled');
+
+ return me;
+ },
+
+<span id='Ext-tab.Tab-method-onDestroy'> /**
+</span> * @ignore
+ */
+ onDestroy: function() {
+ var me = this;
+
+ if (me.closeEl) {
+ me.closeEl.un('click', Ext.EventManager.preventDefault);
+ me.closeEl = null;
+ }
+
+ Ext.destroy(me.keyNav);
+ delete me.keyNav;
+
+ me.callParent(arguments);
+ },
+
+<span id='Ext-tab.Tab-method-setClosable'> /**
+</span> * Sets the tab as either closable or not
+ * @param {Boolean} closable Pass false to make the tab not closable. Otherwise the tab will be made closable (eg a
+ * close button will appear on the tab)
+ */
+ setClosable: function(closable) {
+ var me = this;
+
+ // Closable must be true if no args
+ closable = (!arguments.length || !!closable);
+
+ if (me.closable != closable) {
+ me.closable = closable;
+
+ // set property on the user-facing item ('card'):
+ if (me.card) {
+ me.card.closable = closable;
+ }
+
+ me.syncClosableUI();
+
+ if (me.rendered) {
+ me.syncClosableElements();
+
+ // Tab will change width to accommodate close icon
+ me.doComponentLayout();
+ if (me.ownerCt) {
+ me.ownerCt.doLayout();
+ }
+ }
+ }
+ },
+
+<span id='Ext-tab.Tab-method-syncClosableElements'> /**
+</span> * This method ensures that the closeBtn element exists or not based on 'closable'.
+ * @private
+ */
+ syncClosableElements: function () {
+ var me = this;
+
+ if (me.closable) {
+ if (!me.closeEl) {
+ me.closeEl = me.el.createChild({
+ tag: 'a',
+ cls: me.baseCls + '-close-btn',
+ href: '#',
+ html: me.closeText,
+ title: me.closeText
+ }).on('click', Ext.EventManager.preventDefault); // mon ???
+ }
+ } else {
+ var closeEl = me.closeEl;
+ if (closeEl) {
+ closeEl.un('click', Ext.EventManager.preventDefault);
+ closeEl.remove();
+ me.closeEl = null;
+ }
+ }
+ },
+
+<span id='Ext-tab.Tab-method-syncClosableUI'> /**
+</span> * This method ensures that the UI classes are added or removed based on 'closable'.
+ * @private
+ */
+ syncClosableUI: function () {
+ var me = this, classes = [me.closableCls, me.closableCls + '-' + me.position];
+
+ if (me.closable) {
+ me.addClsWithUI(classes);
+ } else {
+ me.removeClsWithUI(classes);
+ }
+ },
+
+<span id='Ext-tab.Tab-method-setCard'> /**
+</span> * Sets this tab's attached card. Usually this is handled automatically by the {@link Ext.tab.Panel} that this Tab
+ * belongs to and would not need to be done by the developer
+ * @param {Ext.Component} card The card to set
+ */
+ setCard: function(card) {
+ var me = this;
+
+ me.card = card;
+ me.setText(me.title || card.title);
+ me.setIconCls(me.iconCls || card.iconCls);
+ },
+
+<span id='Ext-tab.Tab-method-onCloseClick'> /**
+</span> * @private
+ * Listener attached to click events on the Tab's close button
+ */
+ onCloseClick: function() {
+ var me = this;
+
+ if (me.fireEvent('beforeclose', me) !== false) {
+ if (me.tabBar) {
+ me.tabBar.closeTab(me);
+ }
+
+ me.fireEvent('close', me);
+ }
+ },
+
+<span id='Ext-tab.Tab-method-onEnterKey'> /**
+</span> * @private
+ */
+ onEnterKey: function(e) {
+ var me = this;
+
+ if (me.tabBar) {
+ me.tabBar.onClick(e, me.el);
+ }
+ },
+
+<span id='Ext-tab.Tab-method-onDeleteKey'> /**
+</span> * @private
+ */
+ onDeleteKey: function(e) {
+ var me = this;
+
+ if (me.closable) {
+ me.onCloseClick();
+ }
+ },
+
+ // @private
+ activate : function(supressEvent) {
+ var me = this;
+
+ me.active = true;
+ me.addClsWithUI([me.activeCls, me.position + '-' + me.activeCls]);
+
+ if (supressEvent !== true) {
+ me.fireEvent('activate', me);
+ }
+ },
+
+ // @private
+ deactivate : function(supressEvent) {
+ var me = this;
+
+ me.active = false;
+ me.removeClsWithUI([me.activeCls, me.position + '-' + me.activeCls]);
+
+ if (supressEvent !== true) {
+ me.fireEvent('deactivate', me);
+ }
+ }
+});
+</pre></pre></body></html>
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