/** * @class Ext.TabPanel *

A basic tab container. TabPanels can be used exactly like a standard {@link Ext.Panel} * for layout purposes, but also have special support for containing child Components * ({@link Ext.Container#items items}) that are managed using a * {@link Ext.layout.CardLayout CardLayout layout manager}, and displayed as separate tabs.

* * Note: By default, a tab's close tool destroys the child tab Component * and all its descendants. This makes the child tab Component, and all its descendants unusable. To enable * re-use of a tab, configure the TabPanel with {@link #autoDestroy autoDestroy: false}. * *

TabPanel header/footer elements

*

TabPanels use their {@link Ext.Panel#header header} or {@link Ext.Panel#footer footer} element * (depending on the {@link #tabPosition} configuration) to accommodate the tab selector buttons. * This means that a TabPanel will not display any configured title, and will not display any * configured header {@link Ext.Panel#tools tools}.

*

To display a header, embed the TabPanel in a {@link Ext.Panel Panel} which uses * {@link Ext.Container#layout layout:'fit'}.

* *

Tab Events

*

There is no actual tab class — each tab is simply a {@link Ext.BoxComponent Component} * such as a {@link Ext.Panel Panel}. However, when rendered in a TabPanel, each child Component * can fire additional events that only exist for tabs and are not available from other Components. * These events are:

*
*

Creating TabPanels from Code

*

TabPanels can be created and rendered completely in code, as in this example:

*

var tabs = new Ext.TabPanel({
    renderTo: Ext.getBody(),
    activeTab: 0,
    items: [{
        title: 'Tab 1',
        html: 'A simple tab'
    },{
        title: 'Tab 2',
        html: 'Another one'
    }]
});
*

Creating TabPanels from Existing Markup

*

TabPanels can also be rendered from pre-existing markup in a couple of ways.

*
* * @extends Ext.Panel * @constructor * @param {Object} config The configuration options * @xtype tabpanel */ Ext.TabPanel = Ext.extend(Ext.Panel, {
/** * @cfg {Boolean} layoutOnTabChange * Set to true to force a layout of the active tab when the tab is changed. Defaults to false. * See {@link Ext.layout.CardLayout}.{@link Ext.layout.CardLayout#layoutOnCardChange layoutOnCardChange}. */
/** * @cfg {String} tabCls This config option is used on child Components of ths TabPanel. A CSS * class name applied to the tab strip item representing the child Component, allowing special * styling to be applied. */
/** * @cfg {Boolean} deferredRender *

true by default to defer the rendering of child {@link Ext.Container#items items} * to the browsers DOM until a tab is activated. false will render all contained * {@link Ext.Container#items items} as soon as the {@link Ext.layout.CardLayout layout} * is rendered. If there is a significant amount of content or a lot of heavy controls being * rendered into panels that are not displayed by default, setting this to true might * improve performance.

*

The deferredRender property is internally passed to the layout manager for * TabPanels ({@link Ext.layout.CardLayout}) as its {@link Ext.layout.CardLayout#deferredRender} * configuration value.

*

Note: leaving deferredRender as true means that the content * within an unactivated tab will not be available. For example, this means that if the TabPanel * is within a {@link Ext.form.FormPanel form}, then until a tab is activated, any Fields within * unactivated tabs will not be rendered, and will therefore not be submitted and will not be * available to either {@link Ext.form.BasicForm#getValues getValues} or * {@link Ext.form.BasicForm#setValues setValues}.

*/ deferredRender : true,
/** * @cfg {Number} tabWidth The initial width in pixels of each new tab (defaults to 120). */ tabWidth : 120,
/** * @cfg {Number} minTabWidth The minimum width in pixels for each tab when {@link #resizeTabs} = true (defaults to 30). */ minTabWidth : 30,
/** * @cfg {Boolean} resizeTabs True to automatically resize each tab so that the tabs will completely fill the * tab strip (defaults to false). Setting this to true may cause specific widths that might be set per tab to * be overridden in order to fit them all into view (although {@link #minTabWidth} will always be honored). */ resizeTabs : false,
/** * @cfg {Boolean} enableTabScroll True to enable scrolling to tabs that may be invisible due to overflowing the * overall TabPanel width. Only available with tabPosition:'top' (defaults to false). */ enableTabScroll : false,
/** * @cfg {Number} scrollIncrement The number of pixels to scroll each time a tab scroll button is pressed * (defaults to 100, or if {@link #resizeTabs} = true, the calculated tab width). Only * applies when {@link #enableTabScroll} = true. */ scrollIncrement : 0,
/** * @cfg {Number} scrollRepeatInterval Number of milliseconds between each scroll while a tab scroll button is * continuously pressed (defaults to 400). */ scrollRepeatInterval : 400,
/** * @cfg {Float} scrollDuration The number of milliseconds that each scroll animation should last (defaults * to .35). Only applies when {@link #animScroll} = true. */ scrollDuration : 0.35,
/** * @cfg {Boolean} animScroll True to animate tab scrolling so that hidden tabs slide smoothly into view (defaults * to true). Only applies when {@link #enableTabScroll} = true. */ animScroll : true,
/** * @cfg {String} tabPosition The position where the tab strip should be rendered (defaults to 'top'). * The only other supported value is 'bottom'. Note: tab scrolling is only supported for * tabPosition: 'top'. */ tabPosition : 'top',
/** * @cfg {String} baseCls The base CSS class applied to the panel (defaults to 'x-tab-panel'). */ baseCls : 'x-tab-panel',
/** * @cfg {Boolean} autoTabs *

true to query the DOM for any divs with a class of 'x-tab' to be automatically converted * to tabs and added to this panel (defaults to false). Note that the query will be executed within * the scope of the container element only (so that multiple tab panels from markup can be supported via this * method).

*

This method is only possible when the markup is structured correctly as a container with nested divs * containing the class 'x-tab'. To create TabPanels without these limitations, or to pull tab content * from other elements on the page, see the example at the top of the class for generating tabs from markup.

*

There are a couple of things to note when using this method:

Example usage:

*

var tabs = new Ext.TabPanel({
    applyTo: 'my-tabs',
    activeTab: 0,
    deferredRender: false,
    autoTabs: true
});

// This markup will be converted to a TabPanel from the code above
<div id="my-tabs">
    <div class="x-tab" title="Tab 1">A simple tab</div>
    <div class="x-tab" title="Tab 2">Another one</div>
</div>
*/ autoTabs : false,
/** * @cfg {String} autoTabSelector The CSS selector used to search for tabs in existing markup when * {@link #autoTabs} = true (defaults to 'div.x-tab'). This can be any valid selector * supported by {@link Ext.DomQuery#select}. Note that the query will be executed within the scope of this * tab panel only (so that multiple tab panels from markup can be supported on a page). */ autoTabSelector : 'div.x-tab',
/** * @cfg {String/Number} activeTab A string id or the numeric index of the tab that should be initially * activated on render (defaults to undefined). */ activeTab : undefined,
/** * @cfg {Number} tabMargin The number of pixels of space to calculate into the sizing and scrolling of * tabs. If you change the margin in CSS, you will need to update this value so calculations are correct * with either {@link #resizeTabs} or scrolling tabs. (defaults to 2) */ tabMargin : 2,
/** * @cfg {Boolean} plain true to render the tab strip without a background container image * (defaults to false). */ plain : false,
/** * @cfg {Number} wheelIncrement For scrolling tabs, the number of pixels to increment on mouse wheel * scrolling (defaults to 20). */ wheelIncrement : 20, /* * This is a protected property used when concatenating tab ids to the TabPanel id for internal uniqueness. * It does not generally need to be changed, but can be if external code also uses an id scheme that can * potentially clash with this one. */ idDelimiter : '__', // private itemCls : 'x-tab-item', // private config overrides elements : 'body', headerAsText : false, frame : false, hideBorders :true, // private initComponent : function(){ this.frame = false; Ext.TabPanel.superclass.initComponent.call(this); this.addEvents(
/** * @event beforetabchange * Fires before the active tab changes. Handlers can return false to cancel the tab change. * @param {TabPanel} this * @param {Panel} newTab The tab being activated * @param {Panel} currentTab The current active tab */ 'beforetabchange',
/** * @event tabchange * Fires after the active tab has changed. * @param {TabPanel} this * @param {Panel} tab The new active tab */ 'tabchange',
/** * @event contextmenu * Relays the contextmenu event from a tab selector element in the tab strip. * @param {TabPanel} this * @param {Panel} tab The target tab * @param {EventObject} e */ 'contextmenu' );
/** * @cfg {Object} layoutConfig * TabPanel implicitly uses {@link Ext.layout.CardLayout} as its layout manager. * layoutConfig may be used to configure this layout manager. * {@link #deferredRender} and {@link #layoutOnTabChange} * configured on the TabPanel will be applied as configs to the layout manager. */ this.setLayout(new Ext.layout.CardLayout(Ext.apply({ layoutOnCardChange: this.layoutOnTabChange, deferredRender: this.deferredRender }, this.layoutConfig))); if(this.tabPosition == 'top'){ this.elements += ',header'; this.stripTarget = 'header'; }else { this.elements += ',footer'; this.stripTarget = 'footer'; } if(!this.stack){ this.stack = Ext.TabPanel.AccessStack(); } this.initItems(); }, // private onRender : function(ct, position){ Ext.TabPanel.superclass.onRender.call(this, ct, position); if(this.plain){ var pos = this.tabPosition == 'top' ? 'header' : 'footer'; this[pos].addClass('x-tab-panel-'+pos+'-plain'); } var st = this[this.stripTarget]; this.stripWrap = st.createChild({cls:'x-tab-strip-wrap', cn:{ tag:'ul', cls:'x-tab-strip x-tab-strip-'+this.tabPosition}}); var beforeEl = (this.tabPosition=='bottom' ? this.stripWrap : null); st.createChild({cls:'x-tab-strip-spacer'}, beforeEl); this.strip = new Ext.Element(this.stripWrap.dom.firstChild); // create an empty span with class x-tab-strip-text to force the height of the header element when there's no tabs. this.edge = this.strip.createChild({tag:'li', cls:'x-tab-edge', cn: [{tag: 'span', cls: 'x-tab-strip-text', cn: ' '}]}); this.strip.createChild({cls:'x-clear'}); this.body.addClass('x-tab-panel-body-'+this.tabPosition);
/** * @cfg {Template/XTemplate} itemTpl

(Optional) A {@link Ext.Template Template} or * {@link Ext.XTemplate XTemplate} which may be provided to process the data object returned from * {@link #getTemplateArgs} to produce a clickable selector element in the tab strip.

*

The main element created should be a <li> element. In order for a click event on * a selector element to be connected to its item, it must take its id from the TabPanel's * native {@link #getTemplateArgs}.

*

The child element which contains the title text must be marked by the CSS class * x-tab-strip-inner.

*

To enable closability, the created element should contain an element marked by the CSS class * x-tab-strip-close.

*

If a custom itemTpl is supplied, it is the developer's responsibility to create CSS * style rules to create the desired appearance.

* Below is an example of how to create customized tab selector items:

new Ext.TabPanel({
    renderTo: document.body,
    minTabWidth: 115,
    tabWidth: 135,
    enableTabScroll: true,
    width: 600,
    height: 250,
    defaults: {autoScroll:true},
    itemTpl: new Ext.XTemplate(
    '<li class="{cls}" id="{id}" style="overflow:hidden">',
         '<tpl if="closable">',
            '<a class="x-tab-strip-close"></a>',
         '</tpl>',
         '<a class="x-tab-right" href="#" style="padding-left:6px">',
            '<em class="x-tab-left">',
                '<span class="x-tab-strip-inner">',
                    '<img src="{src}" style="float:left;margin:3px 3px 0 0">',
                    '<span style="margin-left:20px" class="x-tab-strip-text {iconCls}">{text} {extra}</span>',
                '</span>',
            '</em>',
        '</a>',
    '</li>'
    ),
    getTemplateArgs: function(item) {
//      Call the native method to collect the base data. Like the ID!
        var result = Ext.TabPanel.prototype.getTemplateArgs.call(this, item);

//      Add stuff used in our template
        return Ext.apply(result, {
            closable: item.closable,
            src: item.iconSrc,
            extra: item.extraText || ''
        });
    },
    items: [{
        title: 'New Tab 1',
        iconSrc: '../shared/icons/fam/grid.png',
        html: 'Tab Body 1',
        closable: true
    }, {
        title: 'New Tab 2',
        iconSrc: '../shared/icons/fam/grid.png',
        html: 'Tab Body 2',
        extraText: 'Extra stuff in the tab button'
    }]
});
*/ if(!this.itemTpl){ var tt = new Ext.Template( '
  • ', '', '{text}', '
  • ' ); tt.disableFormats = true; tt.compile(); Ext.TabPanel.prototype.itemTpl = tt; } this.items.each(this.initTab, this); }, // private afterRender : function(){ Ext.TabPanel.superclass.afterRender.call(this); if(this.autoTabs){ this.readTabs(false); } if(this.activeTab !== undefined){ var item = Ext.isObject(this.activeTab) ? this.activeTab : this.items.get(this.activeTab); delete this.activeTab; this.setActiveTab(item); } }, // private initEvents : function(){ Ext.TabPanel.superclass.initEvents.call(this); this.mon(this.strip, { scope: this, mousedown: this.onStripMouseDown, contextmenu: this.onStripContextMenu }); if(this.enableTabScroll){ this.mon(this.strip, 'mousewheel', this.onWheel, this); } }, // private findTargets : function(e){ var item = null, itemEl = e.getTarget('li:not(.x-tab-edge)', this.strip); if(itemEl){ item = this.getComponent(itemEl.id.split(this.idDelimiter)[1]); if(item.disabled){ return { close : null, item : null, el : null }; } } return { close : e.getTarget('.x-tab-strip-close', this.strip), item : item, el : itemEl }; }, // private onStripMouseDown : function(e){ if(e.button !== 0){ return; } e.preventDefault(); var t = this.findTargets(e); if(t.close){ if (t.item.fireEvent('beforeclose', t.item) !== false) { t.item.fireEvent('close', t.item); this.remove(t.item); } return; } if(t.item && t.item != this.activeTab){ this.setActiveTab(t.item); } }, // private onStripContextMenu : function(e){ e.preventDefault(); var t = this.findTargets(e); if(t.item){ this.fireEvent('contextmenu', this, t.item, e); } },
    /** * True to scan the markup in this tab panel for {@link #autoTabs} using the * {@link #autoTabSelector} * @param {Boolean} removeExisting True to remove existing tabs */ readTabs : function(removeExisting){ if(removeExisting === true){ this.items.each(function(item){ this.remove(item); }, this); } var tabs = this.el.query(this.autoTabSelector); for(var i = 0, len = tabs.length; i < len; i++){ var tab = tabs[i], title = tab.getAttribute('title'); tab.removeAttribute('title'); this.add({ title: title, contentEl: tab }); } }, // private initTab : function(item, index){ var before = this.strip.dom.childNodes[index], p = this.getTemplateArgs(item), el = before ? this.itemTpl.insertBefore(before, p) : this.itemTpl.append(this.strip, p), cls = 'x-tab-strip-over', tabEl = Ext.get(el); tabEl.hover(function(){ if(!item.disabled){ tabEl.addClass(cls); } }, function(){ tabEl.removeClass(cls); }); if(item.tabTip){ tabEl.child('span.x-tab-strip-text', true).qtip = item.tabTip; } item.tabEl = el; // Route *keyboard triggered* click events to the tab strip mouse handler. tabEl.select('a').on('click', function(e){ if(!e.getPageX()){ this.onStripMouseDown(e); } }, this, {preventDefault: true}); item.on({ scope: this, disable: this.onItemDisabled, enable: this.onItemEnabled, titlechange: this.onItemTitleChanged, iconchange: this.onItemIconChanged, beforeshow: this.onBeforeShowItem }); },
    /** *

    Provides template arguments for rendering a tab selector item in the tab strip.

    *

    This method returns an object hash containing properties used by the TabPanel's {@link #itemTpl} * to create a formatted, clickable tab selector element. The properties which must be returned * are:

    * @param {BoxComponent} item The {@link Ext.BoxComponent BoxComponent} for which to create a selector element in the tab strip. * @return {Object} An object hash containing the properties required to render the selector element. */ getTemplateArgs : function(item) { var cls = item.closable ? 'x-tab-strip-closable' : ''; if(item.disabled){ cls += ' x-item-disabled'; } if(item.iconCls){ cls += ' x-tab-with-icon'; } if(item.tabCls){ cls += ' ' + item.tabCls; } return { id: this.id + this.idDelimiter + item.getItemId(), text: item.title, cls: cls, iconCls: item.iconCls || '' }; }, // private onAdd : function(c){ Ext.TabPanel.superclass.onAdd.call(this, c); if(this.rendered){ var items = this.items; this.initTab(c, items.indexOf(c)); if(items.getCount() == 1){ this.syncSize(); } this.delegateUpdates(); } }, // private onBeforeAdd : function(item){ var existing = item.events ? (this.items.containsKey(item.getItemId()) ? item : null) : this.items.get(item); if(existing){ this.setActiveTab(item); return false; } Ext.TabPanel.superclass.onBeforeAdd.apply(this, arguments); var es = item.elements; item.elements = es ? es.replace(',header', '') : es; item.border = (item.border === true); }, // private onRemove : function(c){ var te = Ext.get(c.tabEl); // check if the tabEl exists, it won't if the tab isn't rendered if(te){ te.select('a').removeAllListeners(); Ext.destroy(te); } Ext.TabPanel.superclass.onRemove.call(this, c); this.stack.remove(c); delete c.tabEl; c.un('disable', this.onItemDisabled, this); c.un('enable', this.onItemEnabled, this); c.un('titlechange', this.onItemTitleChanged, this); c.un('iconchange', this.onItemIconChanged, this); c.un('beforeshow', this.onBeforeShowItem, this); if(c == this.activeTab){ var next = this.stack.next(); if(next){ this.setActiveTab(next); }else if(this.items.getCount() > 0){ this.setActiveTab(0); }else{ this.setActiveTab(null); } } if(!this.destroying){ this.delegateUpdates(); } }, // private onBeforeShowItem : function(item){ if(item != this.activeTab){ this.setActiveTab(item); return false; } }, // private onItemDisabled : function(item){ var el = this.getTabEl(item); if(el){ Ext.fly(el).addClass('x-item-disabled'); } this.stack.remove(item); }, // private onItemEnabled : function(item){ var el = this.getTabEl(item); if(el){ Ext.fly(el).removeClass('x-item-disabled'); } }, // private onItemTitleChanged : function(item){ var el = this.getTabEl(item); if(el){ Ext.fly(el).child('span.x-tab-strip-text', true).innerHTML = item.title; } }, //private onItemIconChanged : function(item, iconCls, oldCls){ var el = this.getTabEl(item); if(el){ el = Ext.get(el); el.child('span.x-tab-strip-text').replaceClass(oldCls, iconCls); el[Ext.isEmpty(iconCls) ? 'removeClass' : 'addClass']('x-tab-with-icon'); } },
    /** * Gets the DOM element for the tab strip item which activates the child panel with the specified * ID. Access this to change the visual treatment of the item, for example by changing the CSS class name. * @param {Panel/Number/String} tab The tab component, or the tab's index, or the tabs id or itemId. * @return {HTMLElement} The DOM node */ getTabEl : function(item){ var c = this.getComponent(item); return c ? c.tabEl : null; }, // private onResize : function(){ Ext.TabPanel.superclass.onResize.apply(this, arguments); this.delegateUpdates(); },
    /** * Suspends any internal calculations or scrolling while doing a bulk operation. See {@link #endUpdate} */ beginUpdate : function(){ this.suspendUpdates = true; },
    /** * Resumes calculations and scrolling at the end of a bulk operation. See {@link #beginUpdate} */ endUpdate : function(){ this.suspendUpdates = false; this.delegateUpdates(); },
    /** * Hides the tab strip item for the passed tab * @param {Number/String/Panel} item The tab index, id or item */ hideTabStripItem : function(item){ item = this.getComponent(item); var el = this.getTabEl(item); if(el){ el.style.display = 'none'; this.delegateUpdates(); } this.stack.remove(item); },
    /** * Unhides the tab strip item for the passed tab * @param {Number/String/Panel} item The tab index, id or item */ unhideTabStripItem : function(item){ item = this.getComponent(item); var el = this.getTabEl(item); if(el){ el.style.display = ''; this.delegateUpdates(); } }, // private delegateUpdates : function(){ if(this.suspendUpdates){ return; } if(this.resizeTabs && this.rendered){ this.autoSizeTabs(); } if(this.enableTabScroll && this.rendered){ this.autoScrollTabs(); } }, // private autoSizeTabs : function(){ var count = this.items.length, ce = this.tabPosition != 'bottom' ? 'header' : 'footer', ow = this[ce].dom.offsetWidth, aw = this[ce].dom.clientWidth; if(!this.resizeTabs || count < 1 || !aw){ // !aw for display:none return; } var each = Math.max(Math.min(Math.floor((aw-4) / count) - this.tabMargin, this.tabWidth), this.minTabWidth); // -4 for float errors in IE this.lastTabWidth = each; var lis = this.strip.query('li:not(.x-tab-edge)'); for(var i = 0, len = lis.length; i < len; i++) { var li = lis[i], inner = Ext.fly(li).child('.x-tab-strip-inner', true), tw = li.offsetWidth, iw = inner.offsetWidth; inner.style.width = (each - (tw-iw)) + 'px'; } }, // private adjustBodyWidth : function(w){ if(this.header){ this.header.setWidth(w); } if(this.footer){ this.footer.setWidth(w); } return w; },
    /** * Sets the specified tab as the active tab. This method fires the {@link #beforetabchange} event which * can return false to cancel the tab change. * @param {String/Number} item * The id or tab Panel to activate. This parameter may be any of the following: *
    *

    For additional information see {@link Ext.util.MixedCollection#get}. */ setActiveTab : function(item){ item = this.getComponent(item); if(this.fireEvent('beforetabchange', this, item, this.activeTab) === false){ return; } if(!this.rendered){ this.activeTab = item; return; } if(this.activeTab != item){ if(this.activeTab){ var oldEl = this.getTabEl(this.activeTab); if(oldEl){ Ext.fly(oldEl).removeClass('x-tab-strip-active'); } } if(item){ var el = this.getTabEl(item); Ext.fly(el).addClass('x-tab-strip-active'); this.activeTab = item; this.stack.add(item); this.layout.setActiveItem(item); if(this.scrolling){ this.scrollToTab(item, this.animScroll); } } this.fireEvent('tabchange', this, item); } },

    /** * Returns the Component which is the currently active tab. Note that before the TabPanel * first activates a child Component, this method will return whatever was configured in the * {@link #activeTab} config option. * @return {BoxComponent} The currently active child Component if one is active, or the {@link #activeTab} config value. */ getActiveTab : function(){ return this.activeTab || null; },
    /** * Gets the specified tab by id. * @param {String} id The tab id * @return {Panel} The tab */ getItem : function(item){ return this.getComponent(item); }, // private autoScrollTabs : function(){ this.pos = this.tabPosition=='bottom' ? this.footer : this.header; var count = this.items.length, ow = this.pos.dom.offsetWidth, tw = this.pos.dom.clientWidth, wrap = this.stripWrap, wd = wrap.dom, cw = wd.offsetWidth, pos = this.getScrollPos(), l = this.edge.getOffsetsTo(this.stripWrap)[0] + pos; if(!this.enableTabScroll || count < 1 || cw < 20){ // 20 to prevent display:none issues return; } if(l <= tw){ wd.scrollLeft = 0; wrap.setWidth(tw); if(this.scrolling){ this.scrolling = false; this.pos.removeClass('x-tab-scrolling'); this.scrollLeft.hide(); this.scrollRight.hide(); // See here: http://extjs.com/forum/showthread.php?t=49308&highlight=isSafari if(Ext.isAir || Ext.isWebKit){ wd.style.marginLeft = ''; wd.style.marginRight = ''; } } }else{ if(!this.scrolling){ this.pos.addClass('x-tab-scrolling'); // See here: http://extjs.com/forum/showthread.php?t=49308&highlight=isSafari if(Ext.isAir || Ext.isWebKit){ wd.style.marginLeft = '18px'; wd.style.marginRight = '18px'; } } tw -= wrap.getMargins('lr'); wrap.setWidth(tw > 20 ? tw : 20); if(!this.scrolling){ if(!this.scrollLeft){ this.createScrollers(); }else{ this.scrollLeft.show(); this.scrollRight.show(); } } this.scrolling = true; if(pos > (l-tw)){ // ensure it stays within bounds wd.scrollLeft = l-tw; }else{ // otherwise, make sure the active tab is still visible this.scrollToTab(this.activeTab, false); } this.updateScrollButtons(); } }, // private createScrollers : function(){ this.pos.addClass('x-tab-scrolling-' + this.tabPosition); var h = this.stripWrap.dom.offsetHeight; // left var sl = this.pos.insertFirst({ cls:'x-tab-scroller-left' }); sl.setHeight(h); sl.addClassOnOver('x-tab-scroller-left-over'); this.leftRepeater = new Ext.util.ClickRepeater(sl, { interval : this.scrollRepeatInterval, handler: this.onScrollLeft, scope: this }); this.scrollLeft = sl; // right var sr = this.pos.insertFirst({ cls:'x-tab-scroller-right' }); sr.setHeight(h); sr.addClassOnOver('x-tab-scroller-right-over'); this.rightRepeater = new Ext.util.ClickRepeater(sr, { interval : this.scrollRepeatInterval, handler: this.onScrollRight, scope: this }); this.scrollRight = sr; }, // private getScrollWidth : function(){ return this.edge.getOffsetsTo(this.stripWrap)[0] + this.getScrollPos(); }, // private getScrollPos : function(){ return parseInt(this.stripWrap.dom.scrollLeft, 10) || 0; }, // private getScrollArea : function(){ return parseInt(this.stripWrap.dom.clientWidth, 10) || 0; }, // private getScrollAnim : function(){ return {duration:this.scrollDuration, callback: this.updateScrollButtons, scope: this}; }, // private getScrollIncrement : function(){ return this.scrollIncrement || (this.resizeTabs ? this.lastTabWidth+2 : 100); },
    /** * Scrolls to a particular tab if tab scrolling is enabled * @param {Panel} item The item to scroll to * @param {Boolean} animate True to enable animations */ scrollToTab : function(item, animate){ if(!item){ return; } var el = this.getTabEl(item), pos = this.getScrollPos(), area = this.getScrollArea(), left = Ext.fly(el).getOffsetsTo(this.stripWrap)[0] + pos, right = left + el.offsetWidth; if(left < pos){ this.scrollTo(left, animate); }else if(right > (pos + area)){ this.scrollTo(right - area, animate); } }, // private scrollTo : function(pos, animate){ this.stripWrap.scrollTo('left', pos, animate ? this.getScrollAnim() : false); if(!animate){ this.updateScrollButtons(); } }, onWheel : function(e){ var d = e.getWheelDelta()*this.wheelIncrement*-1; e.stopEvent(); var pos = this.getScrollPos(), newpos = pos + d, sw = this.getScrollWidth()-this.getScrollArea(); var s = Math.max(0, Math.min(sw, newpos)); if(s != pos){ this.scrollTo(s, false); } }, // private onScrollRight : function(){ var sw = this.getScrollWidth()-this.getScrollArea(), pos = this.getScrollPos(), s = Math.min(sw, pos + this.getScrollIncrement()); if(s != pos){ this.scrollTo(s, this.animScroll); } }, // private onScrollLeft : function(){ var pos = this.getScrollPos(), s = Math.max(0, pos - this.getScrollIncrement()); if(s != pos){ this.scrollTo(s, this.animScroll); } }, // private updateScrollButtons : function(){ var pos = this.getScrollPos(); this.scrollLeft[pos === 0 ? 'addClass' : 'removeClass']('x-tab-scroller-left-disabled'); this.scrollRight[pos >= (this.getScrollWidth()-this.getScrollArea()) ? 'addClass' : 'removeClass']('x-tab-scroller-right-disabled'); }, // private beforeDestroy : function() { Ext.destroy(this.leftRepeater, this.rightRepeater); this.deleteMembers('strip', 'edge', 'scrollLeft', 'scrollRight', 'stripWrap'); this.activeTab = null; Ext.TabPanel.superclass.beforeDestroy.apply(this); }
    /** * @cfg {Boolean} collapsible * @hide */
    /** * @cfg {String} header * @hide */
    /** * @cfg {Boolean} headerAsText * @hide */
    /** * @property header * @hide */
    /** * @cfg title * @hide */
    /** * @cfg {Array} tools * @hide */
    /** * @cfg {Array} toolTemplate * @hide */
    /** * @cfg {Boolean} hideCollapseTool * @hide */
    /** * @cfg {Boolean} titleCollapse * @hide */
    /** * @cfg {Boolean} collapsed * @hide */
    /** * @cfg {String} layout * @hide */
    /** * @cfg {Boolean} preventBodyReset * @hide */ }); Ext.reg('tabpanel', Ext.TabPanel);
    /** * See {@link #setActiveTab}. Sets the specified tab as the active tab. This method fires * the {@link #beforetabchange} event which can return false to cancel the tab change. * @param {String/Panel} tab The id or tab Panel to activate * @method activate */ Ext.TabPanel.prototype.activate = Ext.TabPanel.prototype.setActiveTab; // private utility class used by TabPanel Ext.TabPanel.AccessStack = function(){ var items = []; return { add : function(item){ items.push(item); if(items.length > 10){ items.shift(); } }, remove : function(item){ var s = []; for(var i = 0, len = items.length; i < len; i++) { if(items[i] != item){ s.push(items[i]); } } items = s; }, next : function(){ return items.pop(); } }; };