/*
 * DEXT - Domino JS Framework 0.1
 * Copyright(c) 2007, Jake Howlett.
 * 
 * http://www.codestore.net/dext
 */

YAHOO.namespace('DEXT.Database.View');

DEXT.Database.View = function(el) {
	el = Ext.get(el);
	this.grid = el;
	this.view = null;
}

DEXT.Database.View.prototype = {

	open: function(view){
		if (this.view==view) return true; //already open - don't do anything
		
		this.view=view;
		
		var callback = {
			success:this.load,
			failure:this.failed,
			scope:this
		}
		
		YAHOO.util.Connect.asyncRequest('GET', view+"?ReadDesign&OutputFormat=JSON", callback, null); 	
		
		this.failed = function(o){
			//dialog prompt
			Ext.MessageBox.show({
				title: 'Error',
				msg: "Failed to open view "+this.view,
				width:300,
     		     buttons: Ext.MessageBox.OK
			})
		}
	},
	
	load: function(o){
	
		design=eval("("+o.responseText+")");
        	
        	cols=[]; maps=[];
		for (var i=0; i<design.column.length; i++){
			cols.push(
				{
					dataIndex:design.column[i]["@name"],
					header:design.column[i]["@title"],
					width:design.column[i]["@width"]
				}
			);
			maps.push(
				{
					name: design.column[i]["@name"],
					mapping: design.column[i]["@columnnumber"]
				}
			);
		}
    
 		ds = new Ext.data.Store(
		{
			proxy: new Ext.data.HttpProxy({
	        		url: this.view+'?ReadViewEntries',
	     		method:'GET'
			}),

			reader: new Ext.data.DominoJsonReader( {}, Ext.data.Record.create(maps) ),
			remoteSort: true,
			baseParams:{'OutputFormat':'JSON'}
		}); //end store
		
		this.cm = new Ext.grid.ColumnModel( cols );
		sm = new Ext.grid.RowSelectionModel({singleSelect:true});
		
		if (grid) grid.destroy();
		
        	var grid = new Ext.grid.Grid(
			this.grid,
			{
				ds:ds,
				cm:this.cm,
				selModel: sm,
				enableColLock:false	
			}
		);


        	grid.render();
        	
        	this.gridFoot = grid.getView().getFooterPanel(true);
        	
		paging = new DEXT.PagingToolbar(this.gridFoot, ds, {cursor:1, pageSize: 30});
		
		// create a floating label with display info
    		var displayInfo = this.gridFoot.createChild({cls:'paging-info'});
    
    		ds.on('load', function(){
    			var count = ds.getCount();    

			var msg = count == 0 ? "No documents found" : String.format(
     	           'Displaying documents {0} - {1} of {2}',
                paging.cursor, paging.cursor+count-1, ds.getTotalCount()    
          	);
	          displayInfo.update(msg);
	    });
		
	    ds.load({params:{start:1, count:30}});  

		grid.getView().fitColumns(); 
		grid.addListener('rowclick', this.preview);

	     //innerLayout.findPanel('view').setTitle(this.view + ' - View');
        	
	},
	
	preview:function(grid, rowIndex, e){
			ticket_id = sm.getSelected().id; // grid.getRowId(rowIndex);
			Ext.DomHelper.overwrite('preview-body-view', 
    		            {tag: 'iframe', frameBorder: 0, src: "0/"+ticket_id + "?OpenDocument"});
 	}
}