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Upgrade to ExtJS 3.1.1 - Released 02/08/2010
[extjs.git] / docs / source / ContainerLayout.html
diff --git a/docs/source/ContainerLayout.html b/docs/source/ContainerLayout.html
index e03f0ec..1771f52 100644 (file)
--- a/docs/source/ContainerLayout.html
+++ b/docs/source/ContainerLayout.html
@@ -1,5 +1,6 @@
 <html>\r
 <head>\r
 <html>\r
 <head>\r
+  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />    \r
   <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
   <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
@@ -7,20 +8,10 @@
 <body  onload="prettyPrint();">\r
     <pre class="prettyprint lang-js"><div id="cls-Ext.layout.ContainerLayout"></div>/**
  * @class Ext.layout.ContainerLayout
 <body  onload="prettyPrint();">\r
     <pre class="prettyprint lang-js"><div id="cls-Ext.layout.ContainerLayout"></div>/**
  * @class Ext.layout.ContainerLayout
- * <p>The ContainerLayout class is the default layout manager delegated by {@link Ext.Container} to
- * render any child Components when no <tt>{@link Ext.Container#layout layout}</tt> is configured into
- * a {@link Ext.Container Container}. ContainerLayout provides the basic foundation for all other layout
- * classes in Ext. It simply renders all child Components into the Container, performing no sizing or
- * positioning services. To utilize a layout that provides sizing and positioning of child Components,
- * specify an appropriate <tt>{@link Ext.Container#layout layout}</tt>.</p>
  * <p>This class is intended to be extended or created via the <tt><b>{@link Ext.Container#layout layout}</b></tt>
  * configuration property.  See <tt><b>{@link Ext.Container#layout}</b></tt> for additional details.</p>
  */
  * <p>This class is intended to be extended or created via the <tt><b>{@link Ext.Container#layout layout}</b></tt>
  * configuration property.  See <tt><b>{@link Ext.Container#layout}</b></tt> for additional details.</p>
  */
-Ext.layout.ContainerLayout = function(config){
-    Ext.apply(this, config);
-};
-
-Ext.layout.ContainerLayout.prototype = {
+Ext.layout.ContainerLayout = Ext.extend(Object, {
     <div id="cfg-Ext.layout.ContainerLayout-extraCls"></div>/**
      * @cfg {String} extraCls
      * <p>An optional extra CSS class that will be added to the container. This can be useful for adding
     <div id="cfg-Ext.layout.ContainerLayout-extraCls"></div>/**
      * @cfg {String} extraCls
      * <p>An optional extra CSS class that will be added to the container. This can be useful for adding
@@ -60,11 +51,49 @@ Ext.layout.ContainerLayout.prototype = {
     // private
     activeItem : null,
 
     // private
     activeItem : null,
 
+    constructor : function(config){
+        this.id = Ext.id(null, 'ext-layout-');
+        Ext.apply(this, config);
+    },
+
+    type: 'container',
+
+    /* Workaround for how IE measures autoWidth elements.  It prefers bottom-up measurements
+      whereas other browser prefer top-down.  We will hide all target child elements before we measure and
+      put them back to get an accurate measurement.
+    */
+    IEMeasureHack : function(target, viewFlag) {
+        var tChildren = target.dom.childNodes, tLen = tChildren.length, c, d = [], e, i, ret;
+        for (i = 0 ; i < tLen ; i++) {
+            c = tChildren[i];
+            e = Ext.get(c);
+            if (e) {
+                d[i] = e.getStyle('display');
+                e.setStyle({display: 'none'});
+            }
+        }
+        ret = target ? target.getViewSize(viewFlag) : {};
+        for (i = 0 ; i < tLen ; i++) {
+            c = tChildren[i];
+            e = Ext.get(c);
+            if (e) {
+                e.setStyle({display: d[i]});
+            }
+        }
+        return ret;
+    },
+
+    // Placeholder for the derived layouts
+    getLayoutTargetSize : Ext.EmptyFn,
+
     // private
     layout : function(){
     // private
     layout : function(){
-        var target = this.container.getLayoutTarget();
-        this.onLayout(this.container, target);
-        this.container.fireEvent('afterlayout', this.container, this);
+        var ct = this.container, target = ct.getLayoutTarget();
+        if(!(this.hasLayout || Ext.isEmpty(this.targetCls))){
+            target.addClass(this.targetCls);
+        }
+        this.onLayout(ct, target);
+        ct.fireEvent('afterlayout', ct, this);
     },
 
     // private
     },
 
     // private
@@ -74,14 +103,14 @@ Ext.layout.ContainerLayout.prototype = {
 
     // private
     isValidParent : function(c, target){
 
     // private
     isValidParent : function(c, target){
-               return target && c.getDomPositionEl().dom.parentNode == (target.dom || target);
+        return target && c.getPositionEl().dom.parentNode == (target.dom || target);
     },
 
     // private
     renderAll : function(ct, target){
     },
 
     // private
     renderAll : function(ct, target){
-        var items = ct.items.items;
-        for(var i = 0, len = items.length; i < len; i++) {
-            var c = items[i];
+        var items = ct.items.items, i, c, len = items.length;
+        for(i = 0; i < len; i++) {
+            c = items[i];
             if(c && (!c.rendered || !this.isValidParent(c, target))){
                 this.renderItem(c, i, target);
             }
             if(c && (!c.rendered || !this.isValidParent(c, target))){
                 this.renderItem(c, i, target);
             }
@@ -90,69 +119,117 @@ Ext.layout.ContainerLayout.prototype = {
 
     // private
     renderItem : function(c, position, target){
 
     // private
     renderItem : function(c, position, target){
-        if(c && !c.rendered){
-            c.render(target, position);
-            this.configureItem(c, position);
-        }else if(c && !this.isValidParent(c, target)){
-            if(typeof position == 'number'){
-                position = target.dom.childNodes[position];
+        if(c){
+            if(!c.rendered){
+                c.render(target, position);
+                this.configureItem(c, position);
+            }else if(!this.isValidParent(c, target)){
+                if(Ext.isNumber(position)){
+                    position = target.dom.childNodes[position];
+                }
+                target.dom.insertBefore(c.getPositionEl().dom, position || null);
+                c.container = target;
+                this.configureItem(c, position);
             }
             }
-            target.dom.insertBefore(c.getDomPositionEl().dom, position || null);
-            c.container = target;
-            this.configureItem(c, position);
         }
     },
         }
     },
-    
+
+    // private.
+    // Get all rendered items to lay out.
+    getRenderedItems: function(ct){
+        var t = ct.getLayoutTarget(), cti = ct.items.items, len = cti.length, i, c, items = [];
+        for (i = 0; i < len; i++) {
+            if((c = cti[i]).rendered && this.isValidParent(c, t)){
+                items.push(c);
+            }
+        };
+        return items;
+    },
+
     // private
     configureItem: function(c, position){
         if(this.extraCls){
             var t = c.getPositionEl ? c.getPositionEl() : c;
             t.addClass(this.extraCls);
         }
     // private
     configureItem: function(c, position){
         if(this.extraCls){
             var t = c.getPositionEl ? c.getPositionEl() : c;
             t.addClass(this.extraCls);
         }
+        // If we are forcing a layout, do so *before* we hide so elements have height/width
+        if(c.doLayout && this.forceLayout){
+            c.doLayout();
+        }
         if (this.renderHidden && c != this.activeItem) {
             c.hide();
         }
         if (this.renderHidden && c != this.activeItem) {
             c.hide();
         }
-        if(c.doLayout){
-            c.doLayout(false, this.forceLayout);
+    },
+
+    onRemove: function(c){
+         if(this.activeItem == c){
+            delete this.activeItem;
+         }
+         if(c.rendered && this.extraCls){
+            var t = c.getPositionEl ? c.getPositionEl() : c;
+            t.removeClass(this.extraCls);
+        }
+    },
+
+    afterRemove: function(c){
+        if(c.removeRestore){
+            c.removeMode = 'container';
+            delete c.removeRestore;
         }
     },
 
     // private
     onResize: function(){
         }
     },
 
     // private
     onResize: function(){
-        if(this.container.collapsed){
+        var ct = this.container,
+            b;
+        if(ct.collapsed){
             return;
         }
             return;
         }
-        var b = this.container.bufferResize;
-        if(b){
-            if(!this.resizeTask){
-                this.resizeTask = new Ext.util.DelayedTask(this.runLayout, this);
-                this.resizeBuffer = typeof b == 'number' ? b : 100;
+        if(b = ct.bufferResize){
+            // Only allow if we should buffer the layout
+            if(ct.shouldBufferLayout()){
+                if(!this.resizeTask){
+                    this.resizeTask = new Ext.util.DelayedTask(this.runLayout, this);
+                    this.resizeBuffer = Ext.isNumber(b) ? b : 50;
+                }
+                ct.layoutPending = true;
+                this.resizeTask.delay(this.resizeBuffer);
             }
             }
-            this.resizeTask.delay(this.resizeBuffer);
         }else{
             this.runLayout();
         }
     },
         }else{
             this.runLayout();
         }
     },
-    
-    // private
+
     runLayout: function(){
     runLayout: function(){
-        this.layout();
-        this.container.onLayout();
+        var ct = this.container;
+        // AutoLayout is known to require the recursive doLayout call, others need this currently (BorderLayout for example)
+        // but shouldn't.  A more extensive review will take place for 3.2 which requires a ContainerMgr with hierarchy lookups.
+        //this.layout();
+        //ct.onLayout();
+        ct.doLayout();
+        delete ct.layoutPending;
     },
 
     // private
     setContainer : function(ct){
     },
 
     // private
     setContainer : function(ct){
+        if (!Ext.LayoutManager) {
+            Ext.LayoutManager = {};
+        }
+
+        /* This monitorResize flag will be renamed soon as to avoid confusion
+        * with the Container version which hooks onWindowResize to doLayout
+        *
+        * monitorResize flag in this context attaches the resize event between
+        * a container and it's layout
+        */
+
         if(this.monitorResize && ct != this.container){
         if(this.monitorResize && ct != this.container){
-            if(this.container){
-                this.container.un('resize', this.onResize, this);
-                this.container.un('bodyresize', this.onResize, this);
+            var old = this.container;
+            if(old){
+                old.un(old.resizeEvent, this.onResize, this);
             }
             if(ct){
             }
             if(ct){
-                ct.on({
-                    scope: this,
-                    resize: this.onResize,
-                    bodyresize: this.onResize
-                });
+                ct.on(ct.resizeEvent, this.onResize, this);
             }
         }
         this.container = ct;
             }
         }
         this.container = ct;
@@ -160,21 +237,17 @@ Ext.layout.ContainerLayout.prototype = {
 
     // private
     parseMargins : function(v){
 
     // private
     parseMargins : function(v){
-        if(typeof v == 'number'){
+        if(Ext.isNumber(v)){
             v = v.toString();
         }
         var ms = v.split(' ');
         var len = ms.length;
         if(len == 1){
             v = v.toString();
         }
         var ms = v.split(' ');
         var len = ms.length;
         if(len == 1){
-            ms[1] = ms[0];
-            ms[2] = ms[0];
-            ms[3] = ms[0];
-        }
-        if(len == 2){
+            ms[1] = ms[2] = ms[3] = ms[0];
+        } else if(len == 2){
             ms[2] = ms[0];
             ms[3] = ms[1];
             ms[2] = ms[0];
             ms[3] = ms[1];
-        }
-        if(len == 3){
+        } else if(len == 3){
             ms[3] = ms[1];
         }
         return {
             ms[3] = ms[1];
         }
         return {
@@ -186,7 +259,7 @@ Ext.layout.ContainerLayout.prototype = {
     },
 
     <div id="prop-Ext.layout.ContainerLayout-fieldTpl"></div>/**
     },
 
     <div id="prop-Ext.layout.ContainerLayout-fieldTpl"></div>/**
-     * The {@link Template Ext.Template} used by Field rendering layout classes (such as
+     * The {@link Ext.Template Ext.Template} used by Field rendering layout classes (such as
      * {@link Ext.layout.FormLayout}) to create the DOM structure of a fully wrapped,
      * labeled and styled form Field. A default Template is supplied, but this may be
      * overriden to create custom field structures. The template processes values returned from
      * {@link Ext.layout.FormLayout}) to create the DOM structure of a fully wrapped,
      * labeled and styled form Field. A default Template is supplied, but this may be
      * overriden to create custom field structures. The template processes values returned from
@@ -205,14 +278,20 @@ Ext.layout.ContainerLayout.prototype = {
         t.disableFormats = true;
         return t.compile();
     })(),
         t.disableFormats = true;
         return t.compile();
     })(),
-       
+
     /*
      * Destroys this layout. This is a template method that is empty by default, but should be implemented
      * by subclasses that require explicit destruction to purge event handlers or remove DOM nodes.
      * @protected
      */
     /*
      * Destroys this layout. This is a template method that is empty by default, but should be implemented
      * by subclasses that require explicit destruction to purge event handlers or remove DOM nodes.
      * @protected
      */
-    destroy : Ext.emptyFn
-};
-Ext.Container.LAYOUTS['auto'] = Ext.layout.ContainerLayout;</pre>    \r
+    destroy : function(){
+        if(!Ext.isEmpty(this.targetCls)){
+            var target = this.container.getLayoutTarget();
+            if(target){
+                target.removeClass(this.targetCls);
+            }
+        }
+    }
+});</pre>    \r
 </body>\r
 </html>
\ No newline at end of file
 </body>\r
 </html>
\ No newline at end of file
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