/**
 * Project   : AMDA-NG
 * Name      : PlotTree.js
 * @class   amdaPlotComp.PlotTree
 * @extends Ext.tree.Panel
 * @brief   Tree to define all elements of a plot
 * @author  Benjamin Renard
 * @version $Id: PlotTree.js benjamin $
 */

Ext.define('amdaPlotComp.PlotTree', {
	extend: 'Ext.tree.Panel',
	
	requires: [
	           'amdaPlotObj.PlotTreeNode'
	],
	
	//Link to the combo box to define the use of the simplified view
	simplifiedViewCombo : null,
	
	
	//Link to the Plot Element Panel
    plotElementPanel: null,
    
    //Link to the Plot Tab Content Panel
    plotTabContent : null,
	
	//Tab object
    tabObject: null,
	
	//Panels list node
	panelsNode: null,
	
	constructor: function(config) {
		this.init(config);	    
		this.callParent(arguments);
	},
	
	refresh: function() {
		this.getView().refresh();
	},
	
	buildTree: function(tabObject) {
		if (this.store.getRootNode().hasChildNodes())
			this.store.getRootNode().removeAll();
		
		this.tabObject = tabObject;
			
		if (this.tabObject.get('tree-full-view') && this.simplifiedViewCombo.getValue())
		{
			//Page Node
			var pageNode = this.store.getRootNode().appendChild(new amdaPlotObj.PlotPageTreeNode({object : tabObject}));
			//Layout node
			pageNode.appendChild(new amdaPlotObj.PlotLayoutTreeNode({object : tabObject}));
		
			//Panels node
			this.panelsNode = pageNode.appendChild(new amdaPlotObj.PlotPanelsTreeNode({object : tabObject}));
		}
		else
			this.panelsNode = this.store.getRootNode();

		this.suspendLayouts();
		this.buildPanelsNode();
		this.simplifiedViewCombo.setValue(this.tabObject.get('tree-full-view'));
		this.resumeLayouts(true);
	},
	
	buildPanelsNode: function(paramNodeToSelect) {
		if (this.panelsNode.hasChildNodes())
			this.panelsNode.removeAll();
		
		var me = this;
		this.tabObject.updatePanelIndex();
		this.tabObject.panels().each(function (panelObject) {
			me.addPanelNode(panelObject, paramNodeToSelect);
		});
	},
	
	buildPanelAxesNode: function(panelObject) {
		var axesNode = null;
		
		this.panelsNode.eachChild(function (panelNode) {
			//Retrieve corresponding panel node
			if (panelNode.object == panelObject)
			{
				//Retrieve axes node
				axesNode = panelNode.findChild('type', 'axes');
				if (!axesNode)
					//create axes node
					axesNode = panelNode.appendChild(new amdaPlotObj.PlotAxesTreeNode({object : panelObject}));
				return;
			}
		});
		
		if (axesNode == null)
			return;
		
		//Remove old axis nodes
		axesNode.removeAll();
		
		//Add axis nodes
		panelObject.axes().each(function (axisObject) {
			switch (axisObject.get('axis-type'))
			{
			case 'time' :
				axesNode.appendChild(new amdaPlotObj.PlotTimeAxisTreeNode({object : axisObject}));
				break;
			case 'epoch' :
				axesNode.appendChild(new amdaPlotObj.PlotEpochAxisTreeNode({object : axisObject}));
				break;
			case 'x' :
				axesNode.appendChild(new amdaPlotObj.PlotXAxisTreeNode({object : axisObject}));
				break;
			case 'y-left' :
				axesNode.appendChild(new amdaPlotObj.PlotYLeftAxisTreeNode({object : axisObject}));
				break;
			case 'y-right' :
				axesNode.appendChild(new amdaPlotObj.PlotYRightAxisTreeNode({object : axisObject}));
				break;
			case 'color' :
				axesNode.appendChild(new amdaPlotObj.PlotColorAxisTreeNode({object : axisObject}));
				break;
			}
		});
		this.getView().refresh();
	},
	
	buildPanelParamsNode: function(panelObject, selectedParamId) {
		selectedParamId = (typeof selectedParamId !== 'undefined') ? selectedParamId : '';
		
		var paramsNode = null;
		
		var me = this;
		this.panelsNode.eachChild(function (panelNode) {
			//Retrieve corresponding panel node
			if (panelNode.object == panelObject)
			{
				if (me.tabObject.get('tree-full-view'))
				{
					//Retrieve params node
					paramsNode = panelNode.findChild('type', 'params');
					if (!paramsNode)
						//create axes node
						paramsNode = panelNode.appendChild(new amdaPlotObj.PlotParamsTreeNode({object : panelObject}));
				}
				else
					paramsNode = panelNode;
				return;
			}
		});
		
		if (paramsNode == null)
			return;
		
		//Remove old param nodes
		paramsNode.removeAll();
		
		//Add param nodes
		var selectedParamNode = null;
		panelObject.params().each(function (paramObject) {
			var paramNode = paramsNode.appendChild(new amdaPlotObj.PlotParamTreeNode({object : paramObject}));
			if (paramObject.get('id') == selectedParamId)
				selectedParamNode = paramNode;
		});
		this.getView().refresh();
		
		if (selectedParamNode)
			this.getSelectionModel().select(selectedParamNode);
	},
	
	buildPanelAdditionalObjectsNode: function(panelObject, selectedObject) {
		selectedObject = (typeof selectedObject !== 'undefined') ? selectedObject : null;
		
		var objectsNode = null;
		
		var me = this;
		this.panelsNode.eachChild(function (panelNode) {
			//Retrieve corresponding panel node
			if (panelNode.object == panelObject)
			{
				//Retrieve additional objects node
				objectsNode = panelNode.findChild('type', 'objects');
				if (!objectsNode)
				{
					//create additional objects node
					objectsNode = panelNode.appendChild(new amdaPlotObj.PlotAdditionalObjectsTreeNode({object : panelObject}));
				}
				return;
			}
		});
		
		if (objectsNode == null)
			return;
		
		//Remove old objects nodes
		objectsNode.removeAll();
		
		//create legends node
		this.buildPanelLegendsNode(panelObject, objectsNode, selectedObject);
		
		//create drawing objects node
		this.buildDrawingObjectsNode(panelObject, objectsNode, selectedObject);
		
		//create fills node
		this.buildFillsNode(panelObject, objectsNode, selectedObject);
	},
	
	buildPanelLegendsNode: function(panelObject, objectsNode, selectedObject) {
		var legendsNode = objectsNode.appendChild(new amdaPlotObj.PlotLegendsTreeNode({object : panelObject}));
		
		legendsNode.appendChild(new amdaPlotObj.PlotSeriesLegendTreeNode({object : panelObject}));
		
		var textLegendsNode = legendsNode.appendChild(new amdaPlotObj.PlotTextLegendsTreeNode({object : panelObject}));
		
		var selectedTextLegendNode = null;
		panelObject.textLegends().each(function (legendObject) {
			var textLegendNode = textLegendsNode.appendChild(new amdaPlotObj.PlotTextLegendTreeNode({object : legendObject}));
			if (legendObject == selectedObject)
				selectedTextLegendNode = textLegendNode;
		});
		
		this.getView().refresh();
		if (selectedTextLegendNode)
			this.getSelectionModel().select(selectedTextLegendNode);
	},
	
	buildDrawingObjectsNode: function(panelObject, objectsNode, selectedObject) {
		var drawingObjectsNode = objectsNode.appendChild(new amdaPlotObj.PlotDrawingObjectsTreeNode({object : panelObject}));
		
		//Constants
		var selectedConstantNode = null;
		panelObject.constants().each(function (constantObject) {
			var constantNode = drawingObjectsNode.appendChild(new amdaPlotObj.PlotConstantTreeNode({object : constantObject}));
			if (constantObject == selectedObject)
				selectedConstantNode = constantNode;
		});
		
		//Texts
		var selectedTextNode = null;
		panelObject.textObjs().each(function (textObject) {
			var textNode = drawingObjectsNode.appendChild(new amdaPlotObj.PlotTextTreeNode({object : textObject}));
			if (textObject == selectedObject)
				selectedTextNode = textNode;
		});
		
		//Curves
		var selectedCurveNode = null;
		panelObject.curves().each(function (curveObject) {
			var curveNode = drawingObjectsNode.appendChild(new amdaPlotObj.PlotCurveTreeNode({object : curveObject}));
			if (curveObject == selectedObject)
				selectedCurveNode = curveNode;
		});
		
		
		//Refresh & selection
		this.getView().refresh();
		if (selectedConstantNode)
			this.getSelectionModel().select(selectedConstantNode);
		
		if (selectedTextNode)
			this.getSelectionModel().select(selectedTextNode);
		
		if (selectedCurveNode)
			this.getSelectionModel().select(selectedCurveNode);
	},
	
	buildFillsNode: function(panelObject, objectsNode, selectedObject) {
		var fillsNode = objectsNode.appendChild(new amdaPlotObj.PlotFillsTreeNode({object : panelObject}));
		
		var selectedFillNode = null;
		panelObject.fills().each(function (fillObject) {
			var fillNode = fillsNode.appendChild(new amdaPlotObj.PlotFillTreeNode({object : fillObject}));
			if (fillObject == selectedObject)
				selectedFillNode = fillNode;
		});
		
		this.getView().refresh();
		if (selectedFillNode)
			this.getSelectionModel().select(selectedFillNode);
	},
	
	addPanelNode: function(panelObject, paramNodeToSelect) {
		var panelNode = this.panelsNode.appendChild(new amdaPlotObj.PlotPanelTreeNode({object : panelObject}));
		if (this.tabObject.get('tree-full-view'))
		{
			//Axes node
			this.buildPanelAxesNode(panelObject);
			//Additional objects
			this.buildPanelAdditionalObjectsNode(panelObject);
		}
		//Params node
		this.buildPanelParamsNode(panelObject, paramNodeToSelect);
		return panelNode;
	},
	
	movePanel : function(record,targetNode,position)
	{
		var fromIndex = targetNode.parentNode.indexOf(record);
		var toIndex   = targetNode.parentNode.indexOf(targetNode);
		
		var fromRecord = this.tabObject.panels().getAt(fromIndex);
		if (!fromRecord)
			return false;
		
		switch (position)
		{
			case 'before' :
				this.tabObject.panels().data.removeAt(fromIndex);
				var insertIndex = (fromIndex > toIndex) ? toIndex : toIndex - 1;
				this.tabObject.panels().data.insert(insertIndex, fromRecord);
				this.buildPanelsNode();
				this.getSelectionModel().select(this.panelsNode.getChildAt(insertIndex));
				return true;
			case 'after' :
				this.tabObject.panels().data.removeAt(fromIndex);
				var insertIndex = (fromIndex > toIndex) ? toIndex + 1 : toIndex;
				this.tabObject.panels().data.insert(insertIndex, fromRecord);
				this.buildPanelsNode();
				this.getSelectionModel().select(this.panelsNode.getChildAt(insertIndex));
				return true;
				break;
			default :
				return false;
		}
		
		return true;
	},
	
	moveParam : function(record,targetNode,position)
	{
		if ((record.$className != 'amdaPlotObj.PlotParamTreeNode') || (targetNode == null))
			return false;
		
		var fromIndex = record.parentNode.indexOf(record);
		var toIndex   = targetNode.parentNode.indexOf(targetNode);
		
		var fromPanelObject = null;
 		if (this.tabObject.get('tree-full-view'))
		{
			fromPanelObject = record.parentNode.parentNode.object;
		}
		else
			fromPanelObject = record.parentNode.object;
 		if (fromPanelObject == null)
 			return false;
 		
 		switch (targetNode.$className)
 		{
 		case 'amdaPlotObj.PlotPanelTreeNode' :
 		case 'amdaPlotObj.PlotParamsTreeNode' :
 			var toPanelObject = targetNode.object;
 			if (toPanelObject.get('panel-plot-type') != fromPanelObject.get('panel-plot-type'))
 				return false;
 			if (toPanelObject == fromPanelObject)
 			{
 				//Move param on the same panel
 				fromPanelObject.params().data.removeAt(fromIndex);
				toPanelObject.params().data.add(record.object);
				this.buildPanelParamsNode(toPanelObject, record.object.get('id'));
 			}
 			else
 			{
 				//Move param on another panel
 				var clonedObject = record.object.copy();
 	 			fromPanelObject.params().remove(record.object);
 	 			toPanelObject.set('last-param-id', toPanelObject.get('last-param-id')+1);
 	 			clonedObject.set('id', toPanelObject.get('last-param-id'));
 	 			toPanelObject.params().add(clonedObject);
 	 			this.buildPanelParamsNode(fromPanelObject);
 	 			this.buildPanelParamsNode(toPanelObject, clonedObject.get('id'));
 			}
 			return true;
 		case 'amdaPlotObj.PlotParamTreeNode' :
 			var toPanelObject = null;
 			if (this.tabObject.get('tree-full-view'))
			{
 				toPanelObject = targetNode.parentNode.parentNode.object;
			}
			else
				toPanelObject = targetNode.parentNode.object;
 			targetNode.object;
 			if (toPanelObject.get('panel-plot-type') != fromPanelObject.get('panel-plot-type'))
 				return false;
 			
 			if (toPanelObject == fromPanelObject)
 			{
 				//Move param on the same panel
 				var insertIndex = -1;
 	 			switch (position)
 	 			{
 	 			case 'before' :
 	 				insertIndex = (fromIndex > toIndex) ? toIndex : toIndex - 1;
 	 				break;
 	 			case 'after' :
 	 			default :
 	 				insertIndex = (fromIndex > toIndex) ? toIndex + 1 : toIndex;
 	 				break;
 	 			}
 	 			fromPanelObject.params().data.removeAt(fromIndex);
				toPanelObject.params().data.insert(insertIndex, record.object);
				this.buildPanelParamsNode(toPanelObject, record.object.get('id'));
 			}
 			else
 			{
 				//move param on another panel
 				var insertIndex = -1;
 	 			switch (position)
 	 			{
 	 			case 'before' :
 	 				insertIndex = (toIndex == 0) ? 0: toIndex - 1;
 	 				break;
 	 			case 'after' :
 	 			default :
 	 				insertIndex = toIndex + 1;
 	 				break;
 	 			}
 	 			var clonedObject = record.object.copy();
 	 			fromPanelObject.params().remove(record.object);
 	 			toPanelObject.set('last-param-id', toPanelObject.get('last-param-id')+1);
 	 			clonedObject.set('id', toPanelObject.get('last-param-id'));
 	 			toPanelObject.params().insert(insertIndex, clonedObject);
 	 			this.buildPanelParamsNode(fromPanelObject);
 	 			this.buildPanelParamsNode(toPanelObject, clonedObject.get('id'));
 			}
 			return true;
 		}
 		return false;
	},
	
	onNodeSelect: function(tree, record, index, eOpts) {
		if (index == -1)
			return;
		if (this.plotElementPanel != null)
			this.plotElementPanel.setElement(record.type, record.object, this);
	},
	
	onNodeDeselect: function(tree, record, index, eOpts) {
		if (this.plotElementPanel != null)
			this.plotElementPanel.resetElement();
	},
	
	onCellClick: function(tree, td, cellIndex, record, tr, rowIndex, e, eOpts) {
		if ((cellIndex === 1) && record.get('removable'))
		{
			this.getSelectionModel().deselectAll();
			switch (record.get('type'))
			{
			case 'panel' :
				if (this.tabObject.removePanelById(record.object.get('id')))
					this.buildPanelsNode();
				break;
			case 'param' :
				var panelObject = null;
				if (this.tabObject.get('tree-full-view'))
					panelObject = record.parentNode.parentNode.object;
				else
					panelObject = record.parentNode.object;
				//removeParamById
				if (panelObject.removeParamById(record.object.get('id')))
					this.buildPanelsNode();
				break;
			case 'text-legend' :
				var panelObject = null;
				if (this.tabObject.get('tree-full-view'))
					panelObject = record.parentNode.parentNode.object;
				else
					panelObject = record.parentNode.object;
				if (panelObject.removeTextLegendById(record.object.get('id')))
					this.buildPanelAdditionalObjectsNode(panelObject);
				break;
			case 'constant' :
				var panelObject = null;
				if (this.tabObject.get('tree-full-view'))
					panelObject = record.parentNode.parentNode.object;
				else
					panelObject = record.parentNode.object;
				if (panelObject.removeConstantById(record.object.get('id')))
					this.buildPanelAdditionalObjectsNode(panelObject);
				break;
			case 'text-obj' :
				var panelObject = null;
				if (this.tabObject.get('tree-full-view'))
					panelObject = record.parentNode.parentNode.object;
				else
					panelObject = record.parentNode.object;
				if (panelObject.removeTextObjectById(record.object.get('id')))
					this.buildPanelAdditionalObjectsNode(panelObject);
				break;
			case 'curve' :
				var panelObject = null;
				if (this.tabObject.get('tree-full-view'))
					panelObject = record.parentNode.parentNode.object;
				else
					panelObject = record.parentNode.object;
				if (panelObject.removeCurveById(record.object.get('id')))
					this.buildPanelAdditionalObjectsNode(panelObject);
				break;
			case 'fill' :
				var panelObject = null;
				if (this.tabObject.get('tree-full-view'))
					panelObject = record.parentNode.parentNode.object;
				else
					panelObject = record.parentNode.object;
				if (panelObject.removeFillById(record.object.get('id')))
					this.buildPanelAdditionalObjectsNode(panelObject);
				break;
 			}
		}
	},
	
	onNodeCollapse: function(node) {
		node.setNodeState(0);
	},
	
	onNodeExpand: function(node) {
		node.setNodeState(1);
	},
	
	getSelectedNode: function() {
		var selection = this.getSelectionModel().getSelection();
		if ((selection == null) || (selection.length == 0))
			return null;
		return selection[0];
	},
	
	getSelectedPanelObject: function() {
		var selectedNode = this.getSelectedNode();
		if (selectedNode == null)
			return null;
		var crtNode = selectedNode;
		do {
			if (crtNode.get('type') == 'panel')
				return crtNode.object;
			crtNode = crtNode.parentNode;
		} while(crtNode != null);
		return null;
	},
	
	getSelectedPlotType: function() {
		var crtPanelObject = this.getSelectedPanelObject();
		if (crtPanelObject == null)
			return 'none';
		
		return crtPanelObject.get('panel-plot-type');
	},
	
	isValidToDrop : function(record,targetNode,position)
	{
		switch (record.$className)
                
        {
		case 'amdaModel.sharedTimeTableNode' :
		case 'amdaModel.sharedCatalogNode' :
		case 'amdaModel.TimeTableNode' :
		case 'amdaModel.CatalogNode' :
			return record.get('leaf');
		case 'amdaModel.LocalParamNode'   :
		case 'amdaModel.RemoteParamNode'  :
		case 'amdaModel.RemoteSimuParamNode'  :    
			return record.get('isParameter') && ! record.get('disable');
		
		case 'amdaModel.DerivedParamNode' : 
		case 'amdaModel.DerivedParamComponentNode':
								return record.get('isParameter') ;
		case 'amdaModel.AliasNode'        :
		case 'amdaModel.SpecialParamNode':
		case 'amdaModel.MyDataParamNode'  :
		case 'amdaModel.MyDataParamComponentNode':
			return record.get('isParameter') ;
		case 'amdaPlotObj.PlotParamTreeNode' :
    	 		var fromPanelObject = null;
    	 		if (this.tabObject.get('tree-full-view'))
				{
					fromPanelObject = record.parentNode.parentNode.object;
				}
				else
					fromPanelObject = record.parentNode.object;
    	 		if ((fromPanelObject == null) || (targetNode == null))
    	 			return false;
    	 		
    	 		var toPanelObject = null;
    	 		switch (targetNode.$className)
    	 		{
    	 		case 'amdaPlotObj.PlotPanelTreeNode' :
    	 		case 'amdaPlotObj.PlotParamsTreeNode' :
    	 			toPanelObject = targetNode.object;
    	 			break;
    	 		case 'amdaPlotObj.PlotParamTreeNode' :
    	 			if (this.tabObject.get('tree-full-view'))
    				{
    	 				toPanelObject = targetNode.parentNode.parentNode.object;
    				}
    				else
    					toPanelObject = targetNode.parentNode.object;
    	 			break;
    	 		}
    	 		if (toPanelObject == null)
    	 			return false;
    	 		return (fromPanelObject.get('panel-plot-type') == toPanelObject.get('panel-plot-type'));
    	 	                    case 'amdaPlotObj.PlotPanelTreeNode' :	
    	 		switch (position)
    	 		{
    	 			case 'append' :
    	 				return false;
    	 			case 'before' :
    	 				return (targetNode.$className == 'amdaPlotObj.PlotPanelTreeNode');
    	 			case 'after'  :
    	 				return ((targetNode.$className == 'amdaPlotObj.PlotPanelTreeNode') && targetNode.isLast());
    	 		}
        }
		return false;
	},
	
                            dropParamToCreate: function (targetNode, position, paramId, data)
                            {
                                var panelObject = null;
                                if (targetNode == null)
                                {
                                    //create new panel
                                    panelObject = this.tabObject.createNewPanel();
                                } else
                                {
                                    switch (targetNode.$className)
                                    {
                                        case 'amdaPlotObj.PlotParamsTreeNode' :
                                        case 'amdaPlotObj.PlotPanelTreeNode' :
                                        case 'amdaPlotObj.PlotAxesTreeNode' :
                                            panelObject = targetNode.object;
                                            break;
                                        case 'amdaPlotObj.PlotTimeAxisTreeNode' :
                                        case 'amdaPlotObj.PlotEpochAxisTreeNode' :
                                        case 'amdaPlotObj.PlotXAxisTreeNode' :
                                        case 'amdaPlotObj.PlotYLeftAxisTreeNode' :
                                        case 'amdaPlotObj.PlotYRightAxisTreeNode' :
                                        case 'amdaPlotObj.PlotColorAxisTreeNode' :
                                        case 'amdaPlotObj.PlotParamTreeNode' :
                                            panelObject = targetNode.parentNode.object;
                                            break;
                                        default:
                                            //create new panel
                                            panelObject = this.tabObject.createNewPanel();
                                    }
                                }

                                //Create param object
                                var me = this;
				if ((typeof data !== "undefined") && (typeof data.predefinedArgs !== "undefined") && data.predefinedArgs) {
					var plotModule = myDesktopApp.getLoadedModule(myDesktopApp.dynamicModules.plot.id);
					plotModule.parseTemplatedParam(paramId, function(param_info) {
						data.template_args = param_info.template_args;
						panelObject.createNewParam(param_info.paramid, data, function (newParamObject) {
							//Rebuild params node
							me.buildPanelsNode(newParamObject.getId());
						}); 
						//downModule.addParam(param_info.paramid, true, true, components, param_info.template_args);
					});
				}
				else {
                                	panelObject.createNewParam(paramId, data, function (newParamObject) {
                                    		//Rebuild params node
                                    		me.buildPanelsNode(newParamObject.getId());
                                    		//BRE newParamObject
                                	});
				}
                            },

                            dropRecord: function (record, targetNode, position)
                            {
                                var selModel = this.getSelectionModel();

                                //select the target node if defined
                                if (targetNode)
                                    selModel.select(targetNode);
                                else
                                    selModel.deselectAll();

                                switch (record.$className)
                                {
                                    case 'amdaModel.sharedTimeTableNode' :
                                    case 'amdaModel.sharedCatalogNode' :
                                    case 'amdaModel.TimeTableNode' :
                                    case 'amdaModel.CatalogNode' :
                                        if (!record.get('leaf'))
                                            return false;
                                        this.dropParamToCreate(targetNode, position, record.get('id'), {'isTTCat': true, 'name': record.get('text')});
                                        return true;
                                    case 'amdaModel.LocalParamNode'   :
                                    case 'amdaModel.RemoteParamNode'  :
                                    case 'amdaModel.RemoteSimuParamNode'  :
                                        if (!record.get('isParameter') || record.get('disable'))
                                            return false;

                                        if (record.get('alias') != "")
                                            this.dropParamToCreate(targetNode, position, "#" + record.get('alias'));
                                        else {
                                            var isVector = record.get('iconCls') == 'icon-vector';
                                            var component_info = record.get('component_info');
                                            var param_id = record.get('id');
                                            var plot_only = record.get('notyet');
                                            var components = null;
					    var predefinedArgs = record.get('predefinedArgs');
                                            if (component_info && component_info.parentId) {
                                                //It's a component
                                                param_id = component_info.parentId;
                                                components = [];
                                                if (component_info.index1)
                                                    components['index1'] = component_info.index1;
                                                if (component_info.index2)
                                                    components['index2'] = component_info.index2;
						predefinedArgs = record.parentNode.get('predefinedArgs');
                                            }
                                            this.dropParamToCreate(targetNode, position, param_id, {'components': components, 'isVector': isVector, 'plotOnly': plot_only, 'predefinedArgs': predefinedArgs});
                                        }
                                        return true;
                                    case 'amdaModel.AliasNode'        :
                                        if (!record.isLeaf())
                                            return false;
                                        this.dropParamToCreate(targetNode, position, "#" + record.get('text'));
                                        return true;
                                    case 'amdaModel.DerivedParamNode' :
                                            if (!record.get('isParameter'))
                                            return false;
                                        //targetNode, position, paramId, paramComponents, isVector, plotOnly
                                        var isVector = record.get('iconCls') == 'icon-vector';
                                        var components = null;
                                        var dim1=record.get("dim_1");
                                        var dim2=record.get("dim_2");
                                        if(dim1>3 && dim2==1)
                                        {
                                            components = [];
                                            components['index2'] ="0"
                                        }else if(dim1==1 && dim2>1)
                                        {
                                            components = [];
                                            components['index1'] ="0"
                                        }
                                        this.dropParamToCreate(targetNode, position, "ws_" + record.get('text'), {'components': components, 'isVector': isVector});
                                        return true;
                                    case 'amdaModel.DerivedParamComponentNode':
                                        if (!record.get('isParameter'))
                                            return false;
                                        //targetNode, position, paramId, paramComponents, isVector, plotOnly
                                         paramId=record.get('text');
                                         var parentId = paramId.substr(0, paramId.length - 3);
                                        idToSent = "ws_" + parentId;
                                        var regExp = /\(([\d]+)\)/;
                                                var component_index = regExp.exec(paramId);
                                                if (component_index)
                                                {
                                                    components = [];
                                                    components['index1'] = component_index[1];
                                                }
                                        this.dropParamToCreate(targetNode, position,idToSent, {'components': components});
                                        return true;
                                        case 'amdaModel.MyDataParamComponentNode':
                                        if (!record.get('isParameter'))
                                            return false;
                                        //targetNode, position, paramId, paramComponents, isVector, plotOnly
                                         paramId=record.get('text');
                                         var parentId = paramId.substr(0, paramId.length - 3);
                                        idToSent = "wsd_" + parentId;
                                        var regExp = /\(([\d]+)\)/;
                                                var component_index = regExp.exec(paramId);
                                                if (component_index)
                                                {
                                                    components = [];
                                                    components['index1'] = component_index[1];
                                                }
                                        this.dropParamToCreate(targetNode, position,idToSent, {'components': components});
                                        return true;
                                    case 'amdaModel.MyDataParamNode' :
                                       if (!record.get('isParameter'))
                                            return false;
                                        this.dropParamToCreate(targetNode, position, "wsd_" + record.get('text'));
                                        return true;
                                    case 'amdaPlotObj.PlotParamTreeNode' :
                                        return this.moveParam(record, targetNode, position);
                                    case 'amdaPlotObj.PlotPanelTreeNode' :
                                        return this.movePanel(record, targetNode, position);
									case 'amdaModel.SpecialParamNode' :
										if (!record.get('isParameter'))
												return false;
											this.dropParamToCreate(targetNode, position, record.get('id'));
											return true;
                                    default :
                                        return false;
    	}
    	return false;
	},
	
	getDragAndDropPluginConfig : function() {
		var me = this;
		
		return {
			ptype:'treeviewdragdrop',
			ddGroup:'explorerTree',
            enableDrag:true,
            enableDrop:true,
            appendOnly : false,
            allowContainerDrops : true,
            containerScroll : true,
            isValidDropPoint : function (node, position, dragZone, e, data) 
            {       
            	if (!node || !data.item) {
            		return false;
            	}           	    
                
                var view = this.view,
                targetNode = view.getRecord(node),
                draggedRecords = data.records,
                dataLength = draggedRecords.length,
                ln = draggedRecords.length,
                i, record;        		
                // No drop position, or dragged records: invalid drop point
                if (!(targetNode && position && dataLength)) {
                    return false;
                }
                             
                // If the targetNode is within the folder we are dragging
                for (i = 0; i < ln; i++) {
                    record = draggedRecords[i];
                    if (record.isNode && record.contains(targetNode)) {
                        return false;
                    }
                }
                
                // Respect the allowDrop field on Tree nodes
                if (position === 'append' && targetNode.get('allowDrop') === false) {
                    return false;
                }
                
                // If the target record is in the dragged dataset, then invalid drop
                if (Ext.Array.contains(draggedRecords, targetNode)) {
                     return false;
                }
                         
                if (dataLength > 1)
                	return false;
                var draggedRecord = draggedRecords[0];
                return me.isValidToDrop(draggedRecord,targetNode,position);
            },
            onPlotContainerDrop : function(dd, e, data){
            	if (data.records.length != 1)
            		return false;
            	return me.dropRecord(data.records[0],null,null);
            },
            onPlotNodeDrop : function(n, dd, e, data){
            	if (data.records.length != 1)
            		return false;
            	return me.dropRecord(data.records[0],this.view.getRecord(n),this.getPosition(e,n));
            }, 
            onPlotContainerOver : function(dd, e, data) {
            	if (data.records.length != 1)
            		return false;
            	var draggedRecord = data.records[0];
                return me.isValidToDrop(draggedRecord,null,'append') ? this.dropAllowed : this.dropNotAllowed;
            },
            onViewRender : function(view) {
				var me = this;

      			if (me.enableDrag) {
          			me.dragZone = Ext.create('Ext.tree.ViewDragZone', {
              			view: view,
              			ddGroup: me.dragGroup || me.ddGroup,
              			dragText: me.dragText,
              			repairHighlightColor: me.nodeHighlightColor,
              			repairHighlight: me.nodeHighlightOnRepair
          			});
      			}

      			if (me.enableDrop) {
          			me.dropZone = Ext.create('Ext.tree.ViewDropZone', {
              			view: view,
              			ddGroup: me.dropGroup || me.ddGroup,
              			allowContainerDrops: me.allowContainerDrops,
              			appendOnly: me.appendOnly,
              			allowParentInserts: me.allowParentInserts,
              			expandDelay: me.expandDelay,
              			dropHighlightColor: me.nodeHighlightColor,
              			dropHighlight: me.nodeHighlightOnDrop,
              			isValidDropPoint : me.isValidDropPoint,
              			onContainerDrop : me.onPlotContainerDrop,
              			onNodeDrop      : me.onPlotNodeDrop,
              			onContainerOver : me.onPlotContainerOver
          			});
      			}
			}
        }
	},
	
	init : function(config) {
		var me = this;
	 
		this.plotElementPanel = config.plotElementPanel;
		
		var store = Ext.create('Ext.data.TreeStore', {
			root: {
				expanded: true
		    }
		});
		
	//	this.plotElementPanel = config.plotElementPanel;
		
		this.simplifiedViewCombo = Ext.create('Ext.form.field.Checkbox', {
			xtype: 'checkbox',
			boxLabel: 'Extended Plot Options',
			listeners: {
// 				 render: function(c) {
// 					Ext.create('Ext.tip.ToolTip', {
// 						target: c.getEl(),
// 						html: "SOME TEXT" 
// 					});
// 				},
				change: function(combo, newValue, oldValue, eOpts) {
					if (this.tabObject)
			        	this.tabObject.set('tree-full-view', newValue);
					 
					if (newValue != oldValue)
						this.buildTree(this.tabObject);
				},
			    scope: this
			}
		});
		
		var myConf = {
				store: store,
				rootVisible: false,
				hideHeaders: true,
				viewConfig:{
	                plugins: this.getDragAndDropPluginConfig(),
	                preserveScrollOnRefresh: true
	            },
				listeners: {
			        select: me.onNodeSelect,
			        deselect: me.onNodeDeselect,
			        cellclick: me.onCellClick,
			        itemcollapse: me.onNodeCollapse,
			        itemexpand: me.onNodeExpand,
			        scope: me
			    },
			    columns: [
			              {
			            	  xtype: 'treecolumn',
			                  text: 'Plot Element',
			                  flex: 1,
			                  dataIndex: 'text',
			                  renderer: function (val, meta, rec) {
			                	  var fullVal = val;
			                	  if (rec.getAdditionalText)
			                	    fullVal += rec.getAdditionalText();
			                	  return fullVal;
			                  }
			              },
			              {
			            	  menuDisabled: true, 
			            	  align: 'center',
			            	  width: 24, 
			            	  renderer: function(v,m,record){
			            		  if (record.get('removable'))
			            			  return'<div class="icon-small-remover" style="width: 16px; height: 16px; vertical-align: middle;"></div>';
			            		  else
			            			  return '';
			            	  }
			              }
			    ],
			    tbar: [
			           {
			        	   xtype: 'button',
			        	   text: 'Add panel',
			        	   iconCls: 'icon-add',
			        	   handler: function() {
			        		   var newPabelNode = this.addPanelNode(this.tabObject.createNewPanel());
			        		   this.getSelectionModel().select(newPabelNode);
			        	   },
			        	   scope: this
			           },
			           '-', '->',
			           this.simplifiedViewCombo
			    ]
		};
		
		Ext.apply(this,Ext.apply(arguments, myConf));
	}
});