69 lines
2.1 KiB
JavaScript
69 lines
2.1 KiB
JavaScript
/*
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* Private internal class for reading and applying state
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*/
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YAHOO.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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YAHOO.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, true);
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layout.on('regioncollapsed', this.onRegionCollapsed, this, true);
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layout.on('regionexpanded', this.onRegionExpanded, this, true);
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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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