org.eclipse.gmf.runtime.diagram.ui.geoshapes/src/org/eclipse/gmf/runtime/diagram/ui/geoshapes/internal/editparts/LineEditPart.java

/******************************************************************************
 * Copyright (c) 2003, 2004 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    IBM Corporation - initial API and implementation 
 ****************************************************************************/

package org.eclipse.gmf.runtime.diagram.ui.geoshapes.internal.editparts;

import org.eclipse.draw2d.Connection;
import org.eclipse.gef.EditPolicy;

import org.eclipse.gmf.runtime.diagram.ui.editparts.ConnectionNodeEditPart;
import org.eclipse.gmf.runtime.diagram.ui.editpolicies.EditPolicyRoles;
import org.eclipse.gmf.runtime.diagram.ui.editpolicies.ViewComponentEditPolicy;
import org.eclipse.gmf.runtime.diagram.ui.internal.editpolicies.NonSemanticEditPolicy;
import org.eclipse.gmf.runtime.draw2d.ui.figures.PolylineConnectionEx;
import org.eclipse.gmf.runtime.notation.View;

/**
 * @author jschofie
 *
 * Controls the interactions between the Line and its underlying view 
 */
public class LineEditPart extends ConnectionNodeEditPart {

	public LineEditPart(View view) {
		super(view);
	}
	
	/* (non-Javadoc)
	 * @see org.eclipse.gmf.runtime.diagram.ui.editparts.ConnectionEditPart#createConnectionFigure()
	 */
	protected Connection createConnectionFigure() {
		
		PolylineConnectionEx conn = new PolylineConnectionEx();
		
		return conn;
	}
	
	/**
	 * Adds support for diagram links.
	 * @see org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart#createDefaultEditPolicies()
	 */
	protected void createDefaultEditPolicies() {
		super.createDefaultEditPolicies();

		// Remove semantic edit policy and install a non-semantic edit policy
		removeEditPolicy(EditPolicyRoles.SEMANTIC_ROLE);
		installEditPolicy(EditPolicyRoles.SEMANTIC_ROLE,
			new NonSemanticEditPolicy());

		// This View doesn't have semantic elements so use a component edit
		// policy that only gets a command to delete the view
		installEditPolicy(EditPolicy.COMPONENT_ROLE,
			new ViewComponentEditPolicy());
	}
}