Upgrade to ExtJS 4.0.0 - Released 04/26/2011

[extjs.git] / src / layout / component / Body.js

diff --git a/src/layout/component/Body.js b/src/layout/component/Body.js
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+++ b/src/layout/component/Body.js
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+/**
+ * Component layout for components which maintain an inner body element which must be resized to synchronize with the
+ * Component size.
+ * @class Ext.layout.component.Body
+ * @extends Ext.layout.component.Component
+ * @private
+ */
+
+Ext.define('Ext.layout.component.Body', {
+
+    /* Begin Definitions */
+
+    alias: ['layout.body'],
+
+    extend: 'Ext.layout.component.Component',
+
+    uses: ['Ext.layout.container.Container'],
+
+    /* End Definitions */
+
+    type: 'body',
+    
+    onLayout: function(width, height) {
+        var me = this,
+            owner = me.owner;
+
+        // Size the Component's encapsulating element according to the dimensions
+        me.setTargetSize(width, height);
+
+        // Size the Component's body element according to the content box of the encapsulating element
+        me.setBodySize.apply(me, arguments);
+
+        // We need to bind to the owner whenever we do not have a user set height or width.
+        if (owner && owner.layout && owner.layout.isLayout) {
+            if (!Ext.isNumber(owner.height) || !Ext.isNumber(owner.width)) {
+                owner.layout.bindToOwnerCtComponent = true;
+            }
+            else {
+                owner.layout.bindToOwnerCtComponent = false;
+            }
+        }
+        
+        me.callParent(arguments);
+    },
+
+    /**
+     * @private
+     * <p>Sizes the Component's body element to fit exactly within the content box of the Component's encapsulating element.<p>
+     */
+    setBodySize: function(width, height) {
+        var me = this,
+            owner = me.owner,
+            frameSize = owner.frameSize,
+            isNumber = Ext.isNumber;
+
+        if (isNumber(width)) {
+            width -= owner.el.getFrameWidth('lr') - frameSize.left - frameSize.right;
+        }
+        if (isNumber(height)) {
+            height -= owner.el.getFrameWidth('tb') - frameSize.top - frameSize.bottom;
+        }
+
+        me.setElementSize(owner.body, width, height);
+    }
+});
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