X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/7a654f8d43fdb43d78b63d90528bed6e86b608cc..HEAD:/docs/source/Layout.html diff --git a/docs/source/Layout.html b/docs/source/Layout.html index b51bb459..04c6ebdc 100644 --- a/docs/source/Layout.html +++ b/docs/source/Layout.html @@ -1,10 +1,23 @@ -
+ +/** - * @class Ext.layout.Layout - * @extends Object - * @private - * Base Layout class - extended by ComponentLayout and ContainerLayout + + + + +\ No newline at end of file +});The source code + + + + + + +/** + * Base Layout class - extended by ComponentLayout and ContainerLayout */ - Ext.define('Ext.layout.Layout', { /* Begin Definitions */ @@ -20,12 +33,12 @@ Ext.define('Ext.layout.Layout', { if (layout instanceof Ext.layout.Layout) { return Ext.createByAlias('layout.' + layout); } else { - if (Ext.isObject(layout)) { - type = layout.type; + if (!layout || typeof layout === 'string') { + type = layout || defaultType; + layout = {}; } else { - type = layout || defaultType; - layout = {}; + type = layout.type || defaultType; } return Ext.createByAlias('layout.' + type, layout || {}); } @@ -37,7 +50,7 @@ Ext.define('Ext.layout.Layout', { Ext.apply(this, config); }, - /** + /** * @private */ layout : function() { @@ -61,27 +74,34 @@ Ext.define('Ext.layout.Layout', { }, beforeLayout : function() { - this.renderItems(this.getLayoutItems(), this.getRenderTarget()); + this.renderChildren(); return true; }, - /** + renderChildren: function () { + this.renderItems(this.getLayoutItems(), this.getRenderTarget()); + }, + + /** * @private * Iterates over all passed items, ensuring they are rendered. If the items are already rendered, * also determines if the items are in the proper place dom. */ renderItems : function(items, target) { - var ln = items.length, + var me = this, + ln = items.length, i = 0, item; for (; i < ln; i++) { item = items[i]; if (item && !item.rendered) { - this.renderItem(item, target, i); - } - else if (!this.isValidParent(item, target, i)) { - this.moveItem(item, target, i); + me.renderItem(item, target, i); + } else if (!me.isValidParent(item, target, i)) { + me.moveItem(item, target, i); + } else { + // still need to configure the item, it may have moved in the container. + me.configureItem(item); } } }, @@ -98,22 +118,29 @@ Ext.define('Ext.layout.Layout', { return false; }, - /** + /** * @private * Renders the given Component into the target Element. * @param {Ext.Component} item The Component to render - * @param {Ext.core.Element} target The target Element + * @param {Ext.Element} target The target Element * @param {Number} position The position within the target to render the item to */ renderItem : function(item, target, position) { + var me = this; if (!item.rendered) { + if (me.itemCls) { + item.addCls(me.itemCls); + } + if (me.owner.itemCls) { + item.addCls(me.owner.itemCls); + } item.render(target, position); - this.configureItem(item); - this.childrenChanged = true; + me.configureItem(item); + me.childrenChanged = true; } }, - /** + /** * @private * Moved Component to the provided target instead. */ @@ -129,16 +156,19 @@ Ext.define('Ext.layout.Layout', { this.childrenChanged = true; }, - /** + /** * @private * Adds the layout's targetCls if necessary and sets * initialized flag when complete. */ initLayout : function() { - if (!this.initialized && !Ext.isEmpty(this.targetCls)) { - this.getTarget().addCls(this.targetCls); + var me = this, + targetCls = me.targetCls; + + if (!me.initialized && !Ext.isEmpty(targetCls)) { + me.getTarget().addCls(targetCls); } - this.initialized = true; + me.initialized = true; }, // @private Sets the layout owner @@ -151,22 +181,12 @@ Ext.define('Ext.layout.Layout', { return []; }, - /** + /** * @private * Applies itemCls + * Empty template method */ - configureItem: function(item) { - var me = this, - el = item.el, - owner = me.owner; - - if (me.itemCls) { - el.addCls(me.itemCls); - } - if (owner.itemCls) { - el.addCls(owner.itemCls); - } - }, + configureItem: Ext.emptyFn, // Placeholder empty functions for subclasses to extend onLayout : Ext.emptyFn, @@ -175,37 +195,50 @@ Ext.define('Ext.layout.Layout', { onDestroy : Ext.emptyFn, doOwnerCtLayouts : Ext.emptyFn, - /** + /** * @private * Removes itemCls */ afterRemove : function(item) { - var me = this, - el = item.el, - owner = me.owner; + var el = item.el, + owner = this.owner, + itemCls = this.itemCls, + ownerCls = owner.itemCls; - if (item.rendered) { - if (me.itemCls) { - el.removeCls(me.itemCls); + // Clear managed dimensions flag when removed from the layout. + if (item.rendered && !item.isDestroyed) { + if (itemCls) { + el.removeCls(itemCls); } - if (owner.itemCls) { - el.removeCls(owner.itemCls); + if (ownerCls) { + el.removeCls(ownerCls); } } + + // These flags are set at the time a child item is added to a layout. + // The layout must decide if it is managing the item's width, or its height, or both. + // See AbstractComponent for docs on these properties. + delete item.layoutManagedWidth; + delete item.layoutManagedHeight; }, - /* - * Destroys this layout. This is a template method that is empty by default, but should be implemented + /** + * 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 + * @template */ destroy : function() { - if (!Ext.isEmpty(this.targetCls)) { - var target = this.getTarget(); + var targetCls = this.targetCls, + target; + + if (!Ext.isEmpty(targetCls)) { + target = this.getTarget(); if (target) { - target.removeCls(this.targetCls); + target.removeCls(targetCls); } } this.onDestroy(); } -});