--- /dev/null
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+ <title>The source code</title>\r
+ <link href="../resources/prettify/prettify.css" type="text/css" rel="stylesheet" />\r
+ <script type="text/javascript" src="../resources/prettify/prettify.js"></script>\r
+</head>\r
+<body onload="prettyPrint();">\r
+ <pre class="prettyprint lang-js"><div id="cls-Ext.layout.ToolbarLayout"></div>/**
+ * @class Ext.layout.ToolbarLayout
+ * @extends Ext.layout.ContainerLayout
+ * Layout manager implicitly used by Ext.Toolbar.
+ */
+Ext.layout.ToolbarLayout = Ext.extend(Ext.layout.ContainerLayout, {
+ monitorResize : true,
+ triggerWidth : 18,
+ lastOverflow : false,
+
+ noItemsMenuText : '<div class="x-toolbar-no-items">(None)</div>',
+
+ // private
+ onLayout : function(ct, target){
+ if(!this.leftTr){
+ var align = ct.buttonAlign == 'center' ? 'center' : 'left';
+ target.addClass('x-toolbar-layout-ct');
+ target.insertHtml('beforeEnd',
+ '<table cellspacing="0" class="x-toolbar-ct"><tbody><tr><td class="x-toolbar-left" align="' + align + '"><table cellspacing="0"><tbody><tr class="x-toolbar-left-row"></tr></tbody></table></td><td class="x-toolbar-right" align="right"><table cellspacing="0" class="x-toolbar-right-ct"><tbody><tr><td><table cellspacing="0"><tbody><tr class="x-toolbar-right-row"></tr></tbody></table></td><td><table cellspacing="0"><tbody><tr class="x-toolbar-extras-row"></tr></tbody></table></td></tr></tbody></table></td></tr></tbody></table>');
+ this.leftTr = target.child('tr.x-toolbar-left-row', true);
+ this.rightTr = target.child('tr.x-toolbar-right-row', true);
+ this.extrasTr = target.child('tr.x-toolbar-extras-row', true);
+ }
+
+ var side = ct.buttonAlign == 'right' ? this.rightTr : this.leftTr,
+ pos = 0,
+ items = ct.items.items;
+
+ for(var i = 0, len = items.length, c; i < len; i++, pos++) {
+ c = items[i];
+ if(c.isFill){
+ side = this.rightTr;
+ pos = -1;
+ }else if(!c.rendered){
+ c.render(this.insertCell(c, side, pos));
+ }else{
+ if(!c.xtbHidden && !this.isValidParent(c, side.childNodes[pos])){
+ var td = this.insertCell(c, side, pos);
+ td.appendChild(c.getPositionEl().dom);
+ c.container = Ext.get(td);
+ }
+ }
+ }
+ //strip extra empty cells
+ this.cleanup(this.leftTr);
+ this.cleanup(this.rightTr);
+ this.cleanup(this.extrasTr);
+ this.fitToSize(target);
+ },
+
+ cleanup : function(row){
+ var cn = row.childNodes, i, c;
+ for(i = cn.length-1; i >= 0 && (c = cn[i]); i--){
+ if(!c.firstChild){
+ row.removeChild(c);
+ }
+ }
+ },
+
+ insertCell : function(c, side, pos){
+ var td = document.createElement('td');
+ td.className='x-toolbar-cell';
+ side.insertBefore(td, side.childNodes[pos]||null);
+ return td;
+ },
+
+ hideItem : function(item){
+ var h = (this.hiddens = this.hiddens || []);
+ h.push(item);
+ item.xtbHidden = true;
+ item.xtbWidth = item.getPositionEl().dom.parentNode.offsetWidth;
+ item.hide();
+ },
+
+ unhideItem : function(item){
+ item.show();
+ item.xtbHidden = false;
+ this.hiddens.remove(item);
+ if(this.hiddens.length < 1){
+ delete this.hiddens;
+ }
+ },
+
+ getItemWidth : function(c){
+ return c.hidden ? (c.xtbWidth || 0) : c.getPositionEl().dom.parentNode.offsetWidth;
+ },
+
+ fitToSize : function(t){
+ if(this.container.enableOverflow === false){
+ return;
+ }
+ var w = t.dom.clientWidth,
+ lw = this.lastWidth || 0,
+ iw = t.dom.firstChild.offsetWidth,
+ clipWidth = w - this.triggerWidth,
+ hideIndex = -1;
+
+ this.lastWidth = w;
+
+ if(iw > w || (this.hiddens && w >= lw)){
+ var i, items = this.container.items.items,
+ len = items.length, c,
+ loopWidth = 0;
+
+ for(i = 0; i < len; i++) {
+ c = items[i];
+ if(!c.isFill){
+ loopWidth += this.getItemWidth(c);
+ if(loopWidth > clipWidth){
+ if(!(c.hidden || c.xtbHidden)){
+ this.hideItem(c);
+ }
+ }else if(c.xtbHidden){
+ this.unhideItem(c);
+ }
+ }
+ }
+ }
+ if(this.hiddens){
+ this.initMore();
+ if(!this.lastOverflow){
+ this.container.fireEvent('overflowchange', this.container, true);
+ this.lastOverflow = true;
+ }
+ }else if(this.more){
+ this.clearMenu();
+ this.more.destroy();
+ delete this.more;
+ if(this.lastOverflow){
+ this.container.fireEvent('overflowchange', this.container, false);
+ this.lastOverflow = false;
+ }
+ }
+ },
+
+ createMenuConfig : function(c, hideOnClick){
+ var cfg = Ext.apply({}, c.initialConfig),
+ group = c.toggleGroup;
+
+ Ext.apply(cfg, {
+ text: c.overflowText || c.text,
+ iconCls: c.iconCls,
+ icon: c.icon,
+ itemId: c.itemId,
+ disabled: c.disabled,
+ handler: c.handler,
+ scope: c.scope,
+ menu: c.menu,
+ hideOnClick: hideOnClick
+ });
+ if(group || c.enableToggle){
+ Ext.apply(cfg, {
+ group: group,
+ checked: c.pressed,
+ listeners: {
+ checkchange: function(item, checked){
+ c.toggle(checked);
+ }
+ }
+ });
+ }
+ delete cfg.ownerCt;
+ delete cfg.xtype;
+ delete cfg.id;
+ return cfg;
+ },
+
+ // private
+ addComponentToMenu : function(m, c){
+ if(c instanceof Ext.Toolbar.Separator){
+ m.add('-');
+ }else if(Ext.isFunction(c.isXType)){
+ if(c.isXType('splitbutton')){
+ m.add(this.createMenuConfig(c, true));
+ }else if(c.isXType('button')){
+ m.add(this.createMenuConfig(c, !c.menu));
+ }else if(c.isXType('buttongroup')){
+ c.items.each(function(item){
+ this.addComponentToMenu(m, item);
+ }, this);
+ }
+ }
+ },
+
+ clearMenu : function(){
+ var m = this.moreMenu;
+ if(m && m.items){
+ m.items.each(function(item){
+ delete item.menu;
+ });
+ }
+ },
+
+ // private
+ beforeMoreShow : function(m){
+ var h = this.container.items.items,
+ len = h.length,
+ c,
+ prev,
+ needsSep = function(group, item){
+ return group.isXType('buttongroup') && !(item instanceof Ext.Toolbar.Separator);
+ };
+
+ this.clearMenu();
+ m.removeAll();
+ for(var i = 0; i < len; i++){
+ c = h[i];
+ if(c.xtbHidden){
+ if(prev && (needsSep(c, prev) || needsSep(prev, c))){
+ m.add('-');
+ }
+ this.addComponentToMenu(m, c);
+ prev = c;
+ }
+ }
+ // put something so the menu isn't empty
+ // if no compatible items found
+ if(m.items.length < 1){
+ m.add(this.noItemsMenuText);
+ }
+ },
+
+ initMore : function(){
+ if(!this.more){
+ this.moreMenu = new Ext.menu.Menu({
+ ownerCt : this.container,
+ listeners: {
+ beforeshow: this.beforeMoreShow,
+ scope: this
+ }
+
+ });
+ this.more = new Ext.Button({
+ iconCls : 'x-toolbar-more-icon',
+ cls : 'x-toolbar-more',
+ menu : this.moreMenu,
+ ownerCt : this.container
+ });
+ var td = this.insertCell(this.more, this.extrasTr, 100);
+ this.more.render(td);
+ }
+ },
+
+ destroy : function(){
+ Ext.destroy(this.more, this.moreMenu);
+ delete this.leftTr;
+ delete this.rightTr;
+ delete this.extrasTr;
+ Ext.layout.ToolbarLayout.superclass.destroy.call(this);
+ }
+});
+
+Ext.Container.LAYOUTS.toolbar = Ext.layout.ToolbarLayout;</pre> \r
+</body>\r
+</html>
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