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Viewing changes to gis/dhis-gis-geostat/mfbase/ext/source/legacy/layout/LayoutStateManager.js

  • Committer: larshelge at gmail
  • Date: 2009-03-03 16:46:36 UTC
  • Revision ID: larshelge@gmail.com-20090303164636-2sjlrquo7ib1gf7r
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gis/dhis-gis-geostat/mfbase/ext/source/legacy/layout/LayoutStateManager.js
 
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/*
 
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 * Ext JS Library 2.0.2
 
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 * Copyright(c) 2006-2008, Ext JS, LLC.
 
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 * licensing@extjs.com
 
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 * 
 
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 * http://extjs.com/license
 
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 */
 
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/*
 
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 * Private internal class for reading and applying state
 
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 */
 
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Ext.LayoutStateManager = function(layout){
 
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     // default empty state
 
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     this.state = {
 
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        north: {},
 
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        south: {},
 
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        east: {},
 
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        west: {}       
 
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    };
 
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};
 
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Ext.LayoutStateManager.prototype = {
 
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    init : function(layout, provider){
 
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        this.provider = provider;
 
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        var state = provider.get(layout.id+"-layout-state");
 
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        if(state){
 
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            var wasUpdating = layout.isUpdating();
 
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            if(!wasUpdating){
 
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                layout.beginUpdate();
 
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            }
 
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            for(var key in state){
 
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                if(typeof state[key] != "function"){
 
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                    var rstate = state[key];
 
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                    var r = layout.getRegion(key);
 
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                    if(r && rstate){
 
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                        if(rstate.size){
 
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                            r.resizeTo(rstate.size);
 
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                        }
 
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                        if(rstate.collapsed == true){
 
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                            r.collapse(true);
 
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                        }else{
 
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                            r.expand(null, true);
 
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                        }
 
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                    }
 
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                }
 
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            }
 
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            if(!wasUpdating){
 
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                layout.endUpdate();
 
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            }
 
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            this.state = state; 
 
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        }
 
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        this.layout = layout;
 
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        layout.on("regionresized", this.onRegionResized, this);
 
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        layout.on("regioncollapsed", this.onRegionCollapsed, this);
 
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        layout.on("regionexpanded", this.onRegionExpanded, this);
 
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    },
 
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    storeState : function(){
 
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        this.provider.set(this.layout.id+"-layout-state", this.state);
 
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    },
 
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    onRegionResized : function(region, newSize){
 
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        this.state[region.getPosition()].size = newSize;
 
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        this.storeState();
 
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    },
 
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    onRegionCollapsed : function(region){
 
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        this.state[region.getPosition()].collapsed = true;
 
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        this.storeState();
 
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    },
 
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    onRegionExpanded : function(region){
 
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        this.state[region.getPosition()].collapsed = false;
 
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        this.storeState();
 
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    }
 
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};
 
 
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