From 1d88da0fcaf5aaab11f0184adb2288a8e2de5d35 Mon Sep 17 00:00:00 2001
From: Alan Knowles <alan@roojs.com>
Date: Fri, 30 Jun 2017 14:02:10 +0800
Subject: [PATCH] Roo/bootstrap/layout/Manager.js

---
 Roo/bootstrap/layout/Manager.js | 147 ++++++++++++++++++++++++++++++++
 1 file changed, 147 insertions(+)

diff --git a/Roo/bootstrap/layout/Manager.js b/Roo/bootstrap/layout/Manager.js
index e69de29bb2..85b58997c9 100644
--- a/Roo/bootstrap/layout/Manager.js
+++ b/Roo/bootstrap/layout/Manager.js
@@ -0,0 +1,147 @@
+/*
+ * Based on:
+ * Ext JS Library 1.1.1
+ * Copyright(c) 2006-2007, Ext JS, LLC.
+ *
+ * Originally Released Under LGPL - original licence link has changed is not relivant.
+ *
+ * Fork - LGPL
+ * <script type="text/javascript">
+ */
+ 
+/**
+ * @class Roo.bootstrap.layout.Manager
+ * @extends Roo.util.Observable
+ * Base class for layout managers.
+ */
+Roo.bootstrap.layout.Manager = function(config)
+{
+    Roo.bootstrap.layout.Manager.superclass.constructor.call(this);
+    this.el = Roo.get(container);
+    // ie scrollbar fix
+    if(this.el.dom == document.body && Roo.isIE && !config.allowScroll){
+        document.body.scroll = "no";
+    }else if(this.el.dom != document.body && this.el.getStyle('position') == 'static'){
+        this.el.position('relative');
+    }
+    this.id = this.el.id;
+    this.el.addClass("x-layout-container");
+    /** false to disable window resize monitoring @type Boolean */
+    this.monitorWindowResize = true;
+    this.regions = {};
+    this.addEvents({
+        /**
+         * @event layout
+         * Fires when a layout is performed. 
+         * @param {Roo.LayoutManager} this
+         */
+        "layout" : true,
+        /**
+         * @event regionresized
+         * Fires when the user resizes a region. 
+         * @param {Roo.LayoutRegion} region The resized region
+         * @param {Number} newSize The new size (width for east/west, height for north/south)
+         */
+        "regionresized" : true,
+        /**
+         * @event regioncollapsed
+         * Fires when a region is collapsed. 
+         * @param {Roo.LayoutRegion} region The collapsed region
+         */
+        "regioncollapsed" : true,
+        /**
+         * @event regionexpanded
+         * Fires when a region is expanded.  
+         * @param {Roo.LayoutRegion} region The expanded region
+         */
+        "regionexpanded" : true
+    });
+    this.updating = false;
+    Roo.EventManager.onWindowResize(this.onWindowResize, this, true);
+};
+
+Roo.extend(Roo.LayoutManager, Roo.util.Observable, {
+    /**
+     * Returns true if this layout is currently being updated
+     * @return {Boolean}
+     */
+    isUpdating : function(){
+        return this.updating; 
+    },
+    
+    /**
+     * Suspend the LayoutManager from doing auto-layouts while
+     * making multiple add or remove calls
+     */
+    beginUpdate : function(){
+        this.updating = true;    
+    },
+    
+    /**
+     * Restore auto-layouts and optionally disable the manager from performing a layout
+     * @param {Boolean} noLayout true to disable a layout update 
+     */
+    endUpdate : function(noLayout){
+        this.updating = false;
+        if(!noLayout){
+            this.layout();
+        }    
+    },
+    
+    layout: function(){
+        
+    },
+    
+    onRegionResized : function(region, newSize){
+        this.fireEvent("regionresized", region, newSize);
+        this.layout();
+    },
+    
+    onRegionCollapsed : function(region){
+        this.fireEvent("regioncollapsed", region);
+    },
+    
+    onRegionExpanded : function(region){
+        this.fireEvent("regionexpanded", region);
+    },
+        
+    /**
+     * Returns the size of the current view. This method normalizes document.body and element embedded layouts and
+     * performs box-model adjustments.
+     * @return {Object} The size as an object {width: (the width), height: (the height)}
+     */
+    getViewSize : function(){
+        var size;
+        if(this.el.dom != document.body){
+            size = this.el.getSize();
+        }else{
+            size = {width: Roo.lib.Dom.getViewWidth(), height: Roo.lib.Dom.getViewHeight()};
+        }
+        size.width -= this.el.getBorderWidth("lr")-this.el.getPadding("lr");
+        size.height -= this.el.getBorderWidth("tb")-this.el.getPadding("tb");
+        return size;
+    },
+    
+    /**
+     * Returns the Element this layout is bound to.
+     * @return {Roo.Element}
+     */
+    getEl : function(){
+        return this.el;
+    },
+    
+    /**
+     * Returns the specified region.
+     * @param {String} target The region key ('center', 'north', 'south', 'east' or 'west')
+     * @return {Roo.LayoutRegion}
+     */
+    getRegion : function(target){
+        return this.regions[target.toLowerCase()];
+    },
+    
+    onWindowResize : function(){
+        if(this.monitorWindowResize){
+            this.layout();
+        }
+    }
+});
\ No newline at end of file
-- 
2.39.2