/*
 * JBoss, Home of Professional Open Source.
 *
 * See the LEGAL.txt file distributed with this work for information regarding copyright ownership and licensing.
 *
 * See the AUTHORS.txt file distributed with this work for a full listing of individual contributors.
 */
package org.teiid.designer.mapping.ui.model;

import org.eclipse.emf.ecore.EObject;
import org.teiid.designer.diagram.ui.editor.DiagramViewer;
import org.teiid.designer.diagram.ui.model.AbstractLocalDiagramModelNode;
import org.teiid.designer.diagram.ui.part.ExpandableDiagram;
import org.teiid.designer.mapping.ui.PluginConstants;
import org.teiid.designer.metamodels.diagram.Diagram;


/**
 * MappingDiagramNode
 *
 * @since 8.0
 */
public class MappingDiagramNode extends AbstractLocalDiagramModelNode implements ExpandableDiagram {
	private int coarseCheck = -1;
	private boolean isCoarse = false;
    private DiagramViewer viewer;
    private int currentYOrigin = 0;
	
	public MappingDiagramNode(EObject modelObject, String diagramName) {
		super(modelObject, diagramName);
	}

	@Override
    public String toString() {
		return "MappingDiagramNode(" + getName() + ")"; //$NON-NLS-1$ //$NON-NLS-2$
	}

	public boolean isCoarse() {
		if( coarseCheck < 0 ) {
			Diagram diagram = ((Diagram)getModelObject());
			if( diagram.getType() != null &&
				diagram.getType().equals(PluginConstants.MAPPING_DIAGRAM_TYPE_ID))
				isCoarse = true;
			coarseCheck = 1;
		}
		return isCoarse;
	}
    
    
    /** 
     * @return Returns the viewer.
     * @since 4.2
     */
    public DiagramViewer getViewer() {
        return this.viewer;
    }
    /** 
     * @param viewer The viewer to set.
     * @since 4.2
     */
    public void setViewer(DiagramViewer viewer) {
        this.viewer = viewer;
    }
    /** 
     * @return Returns the currentYOrigin.
     * @since 4.2
     */
    public int getCurrentYOrigin() {
        return this.currentYOrigin;
    }
    /** 
     * @param currentYOrigin The currentYOrigin to set.
     * @since 4.2
     */
    public void setCurrentYOrigin(int currentYOrigin) {
        this.currentYOrigin = currentYOrigin;
    }

    @Override
	public boolean canExpand() {
    	return isCoarse();
    }
    
	@Override
	public void collapseAll() {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void collapse(Object child) {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void expandAll() {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void expand(Object child) {
		// TODO Auto-generated method stub
		
	}
}