Subversion Repositories eFlore/Applications.cel

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27 jpm 1 
/*
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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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};