examples/ux/GroupTabPanel.js

   1 /*!
   2  * Ext JS Library 3.2.0
   3  * Copyright(c) 2006-2010 Ext JS, Inc.
   4  * licensing@extjs.com
   5  * http://www.extjs.com/license
   6  */
   7 Ext.ns('Ext.ux');
   8
   9 Ext.ux.GroupTabPanel = Ext.extend(Ext.TabPanel, {
  10     tabPosition: 'left',
  11
  12     alternateColor: false,
  13
  14     alternateCls: 'x-grouptabs-panel-alt',
  15
  16     defaultType: 'grouptab',
  17
  18     deferredRender: false,
  19
  20     activeGroup : null,
  21
  22     initComponent: function(){
  23         Ext.ux.GroupTabPanel.superclass.initComponent.call(this);
  24
  25         this.addEvents(
  26             'beforegroupchange',
  27             'groupchange'
  28         );
  29         this.elements = 'body,header';
  30         this.stripTarget = 'header';
  31
  32         this.tabPosition = this.tabPosition == 'right' ? 'right' : 'left';
  33
  34         this.addClass('x-grouptabs-panel');
  35
  36         if (this.tabStyle && this.tabStyle != '') {
  37             this.addClass('x-grouptabs-panel-' + this.tabStyle);
  38         }
  39
  40         if (this.alternateColor) {
  41             this.addClass(this.alternateCls);
  42         }
  43
  44         this.on('beforeadd', function(gtp, item, index){
  45             this.initGroup(item, index);
  46         });
  47     },
  48
  49     initEvents : function() {
  50         this.mon(this.strip, 'mousedown', this.onStripMouseDown, this);
  51     },
  52
  53     onRender: function(ct, position){
  54         Ext.TabPanel.superclass.onRender.call(this, ct, position);
  55         if(this.plain){
  56             var pos = this.tabPosition == 'top' ? 'header' : 'footer';
  57             this[pos].addClass('x-tab-panel-'+pos+'-plain');
  58         }
  59
  60         var st = this[this.stripTarget];
  61
  62         this.stripWrap = st.createChild({cls:'x-tab-strip-wrap ', cn:{
  63             tag:'ul', cls:'x-grouptabs-strip x-grouptabs-tab-strip-'+this.tabPosition}});
  64
  65         var beforeEl = (this.tabPosition=='bottom' ? this.stripWrap : null);
  66         this.strip = new Ext.Element(this.stripWrap.dom.firstChild);
  67
  68                 this.header.addClass('x-grouptabs-panel-header');
  69                 this.bwrap.addClass('x-grouptabs-bwrap');
  70         this.body.addClass('x-tab-panel-body-'+this.tabPosition + ' x-grouptabs-panel-body');
  71
  72         if (!this.groupTpl) {
  73             var tt = new Ext.Template(
  74                 '<li class="{cls}" id="{id}">',
  75                 '<a class="x-grouptabs-expand" onclick="return false;"></a>',
  76                 '<a class="x-grouptabs-text {iconCls}" href="#" onclick="return false;">',
  77                 '<span>{text}</span></a>',
  78                 '</li>'
  79             );
  80             tt.disableFormats = true;
  81             tt.compile();
  82             Ext.ux.GroupTabPanel.prototype.groupTpl = tt;
  83         }
  84         this.items.each(this.initGroup, this);
  85     },
  86
  87     afterRender: function(){
  88         Ext.ux.GroupTabPanel.superclass.afterRender.call(this);
  89
  90         this.tabJoint = Ext.fly(this.body.dom.parentNode).createChild({
  91             cls: 'x-tab-joint'
  92         });
  93
  94         this.addClass('x-tab-panel-' + this.tabPosition);
  95         this.header.setWidth(this.tabWidth);
  96
  97         if (this.activeGroup !== undefined) {
  98             var group = (typeof this.activeGroup == 'object') ? this.activeGroup : this.items.get(this.activeGroup);
  99             delete this.activeGroup;
 100             this.setActiveGroup(group);
 101             group.setActiveTab(group.getMainItem());
 102         }
 103     },
 104
 105     getGroupEl : Ext.TabPanel.prototype.getTabEl,
 106
 107     // private
 108     findTargets: function(e){
 109         var item = null,
 110             itemEl = e.getTarget('li', this.strip);
 111         if (itemEl) {
 112             item = this.findById(itemEl.id.split(this.idDelimiter)[1]);
 113             if (item.disabled) {
 114                 return {
 115                     expand: null,
 116                     item: null,
 117                     el: null
 118                 };
 119             }
 120         }
 121         return {
 122             expand: e.getTarget('.x-grouptabs-expand', this.strip),
 123             isGroup: !e.getTarget('ul.x-grouptabs-sub', this.strip),
 124             item: item,
 125             el: itemEl
 126         };
 127     },
 128
 129     // private
 130     onStripMouseDown: function(e){
 131         if (e.button != 0) {
 132             return;
 133         }
 134         e.preventDefault();
 135         var t = this.findTargets(e);
 136         if (t.expand) {
 137             this.toggleGroup(t.el);
 138         }
 139         else if (t.item) {
 140             if(t.isGroup) {
 141                 t.item.setActiveTab(t.item.getMainItem());
 142             }
 143             else {
 144                 t.item.ownerCt.setActiveTab(t.item);
 145             }
 146         }
 147     },
 148
 149     expandGroup: function(groupEl){
 150         if(groupEl.isXType) {
 151             groupEl = this.getGroupEl(groupEl);
 152         }
 153         Ext.fly(groupEl).addClass('x-grouptabs-expanded');
 154                 this.syncTabJoint();
 155     },
 156
 157     toggleGroup: function(groupEl){
 158         if(groupEl.isXType) {
 159             groupEl = this.getGroupEl(groupEl);
 160         }
 161         Ext.fly(groupEl).toggleClass('x-grouptabs-expanded');
 162                 this.syncTabJoint();
 163     },
 164
 165     collapseGroup: function(groupEl){
 166         if(groupEl.isXType) {
 167             groupEl = this.getGroupEl(groupEl);
 168         }
 169         Ext.fly(groupEl).removeClass('x-grouptabs-expanded');
 170                 this.syncTabJoint();
 171     },
 172
 173     syncTabJoint: function(groupEl){
 174         if (!this.tabJoint) {
 175             return;
 176         }
 177
 178         groupEl = groupEl || this.getGroupEl(this.activeGroup);
 179         if(groupEl) {
 180             this.tabJoint.setHeight(Ext.fly(groupEl).getHeight() - 2);
 181
 182             var y = Ext.isGecko2 ? 0 : 1;
 183             if (this.tabPosition == 'left'){
 184                 this.tabJoint.alignTo(groupEl, 'tl-tr', [-2,y]);
 185             }
 186             else {
 187                 this.tabJoint.alignTo(groupEl, 'tr-tl', [1,y]);
 188             }
 189         }
 190         else {
 191             this.tabJoint.hide();
 192         }
 193     },
 194
 195     getActiveTab : function() {
 196         if(!this.activeGroup) return null;
 197         return this.activeGroup.getTabEl(this.activeGroup.activeTab) || null;
 198     },
 199
 200     onResize: function(){
 201         Ext.ux.GroupTabPanel.superclass.onResize.apply(this, arguments);
 202         this.syncTabJoint();
 203     },
 204
 205     createCorner: function(el, pos){
 206         return Ext.fly(el).createChild({
 207             cls: 'x-grouptabs-corner x-grouptabs-corner-' + pos
 208         });
 209     },
 210
 211     initGroup: function(group, index){
 212         var before = this.strip.dom.childNodes[index],
 213             p = this.getTemplateArgs(group);
 214         if (index === 0) {
 215             p.cls += ' x-tab-first';
 216         }
 217         p.cls += ' x-grouptabs-main';
 218         p.text = group.getMainItem().title;
 219
 220         var el = before ? this.groupTpl.insertBefore(before, p) : this.groupTpl.append(this.strip, p),
 221             tl = this.createCorner(el, 'top-' + this.tabPosition),
 222             bl = this.createCorner(el, 'bottom-' + this.tabPosition);
 223
 224         group.tabEl = el;
 225         if (group.expanded) {
 226             this.expandGroup(el);
 227         }
 228
 229         if (Ext.isIE6 || (Ext.isIE && !Ext.isStrict)){
 230             bl.setLeft('-10px');
 231             bl.setBottom('-5px');
 232             tl.setLeft('-10px');
 233             tl.setTop('-5px');
 234         }
 235
 236         this.mon(group, {
 237             scope: this,
 238             changemainitem: this.onGroupChangeMainItem,
 239             beforetabchange: this.onGroupBeforeTabChange
 240         });
 241     },
 242
 243     setActiveGroup : function(group) {
 244         group = this.getComponent(group);
 245         if(!group){
 246             return false;
 247         }
 248         if(!this.rendered){
 249             this.activeGroup = group;
 250             return true;
 251         }
 252         if(this.activeGroup != group && this.fireEvent('beforegroupchange', this, group, this.activeGroup) !== false){
 253             if(this.activeGroup){
 254                 this.activeGroup.activeTab = null;
 255                 var oldEl = this.getGroupEl(this.activeGroup);
 256                 if(oldEl){
 257                     Ext.fly(oldEl).removeClass('x-grouptabs-strip-active');
 258                 }
 259             }
 260
 261             var groupEl = this.getGroupEl(group);
 262             Ext.fly(groupEl).addClass('x-grouptabs-strip-active');
 263
 264             this.activeGroup = group;
 265             this.stack.add(group);
 266
 267             this.layout.setActiveItem(group);
 268             this.syncTabJoint(groupEl);
 269
 270             this.fireEvent('groupchange', this, group);
 271             return true;
 272         }
 273         return false;
 274     },
 275
 276     onGroupBeforeTabChange: function(group, newTab, oldTab){
 277         if(group !== this.activeGroup || newTab !== oldTab) {
 278             this.strip.select('.x-grouptabs-sub > li.x-grouptabs-strip-active', true).removeClass('x-grouptabs-strip-active');
 279         }
 280         this.expandGroup(this.getGroupEl(group));
 281         if(group !== this.activeGroup) {
 282             return this.setActiveGroup(group);
 283         }
 284     },
 285
 286     getFrameHeight: function(){
 287         var h = this.el.getFrameWidth('tb');
 288         h += (this.tbar ? this.tbar.getHeight() : 0) +
 289         (this.bbar ? this.bbar.getHeight() : 0);
 290
 291         return h;
 292     },
 293
 294     adjustBodyWidth: function(w){
 295         return w - this.tabWidth;
 296     }
 297 });
 298
 299 Ext.reg('grouptabpanel', Ext.ux.GroupTabPanel);