/*******************************************************************************
* Copyright (c) 2000, 2005 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.gef.handles;
import org.eclipse.draw2d.Locator;
import org.eclipse.draw2d.MidpointLocator;
import org.eclipse.draw2d.geometry.Dimension;
import org.eclipse.gef.ConnectionEditPart;
import org.eclipse.gef.DragTracker;
import org.eclipse.gef.RequestConstants;
import org.eclipse.gef.SharedCursors;
import org.eclipse.gef.tools.ConnectionBendpointTracker;
/**
* A BendpointHandle that is used to create a new bendpoint.
*/
public class BendpointCreationHandle
extends BendpointHandle
{
{
setCursor(SharedCursors.SIZEALL);
setPreferredSize(new Dimension(DEFAULT_HANDLE_SIZE - 2, DEFAULT_HANDLE_SIZE - 2));
}
/**
* Creates a new BendpointCreationHandle.
*/
public BendpointCreationHandle() { }
/**
* Creates a new BendpointCreationHandle, sets its owner to <code>owner</code>
* and its index to <code>index</code>, and sets its locator to a new
* {@link MidpointLocator}.
* @param owner the ConnectionEditPart owner
* @param index the index
*/
public BendpointCreationHandle(ConnectionEditPart owner, int index) {
setOwner(owner);
setIndex(index);
setLocator(new MidpointLocator(getConnection(), index));
}
/**
* Creates a new BendpointCreationHandle, sets its owner to <code>owner</code>
* and its index to <code>index</code>, and sets its locator to a new
* {@link MidpointLocator} with the given <code>locatorIndex</code>.
* @param owner the ConnectionEditPart owner
* @param index the index
* @param locatorIndex the locator index
*/
public BendpointCreationHandle(ConnectionEditPart owner, int index, int locatorIndex) {
setOwner(owner);
setIndex(index);
setLocator(new MidpointLocator(getConnection(), locatorIndex));
}
/**
* Creates a new BendpointCreationHandle and sets its owner to
* <code>owner</code>, sets its index to <code>index</code>, and
* sets its locator to <code>locator</code>.
* @param owner the ConnectionEditPart owner
* @param index the index
* @param locator the Locator
*/
public BendpointCreationHandle(ConnectionEditPart owner, int index, Locator locator) {
setOwner(owner);
setIndex(index);
setLocator(locator);
}
/**
* Creates and returns a new {@link ConnectionBendpointTracker}.
* @return the new ConnectionBendpointTracker
*/
protected DragTracker createDragTracker() {
ConnectionBendpointTracker tracker;
tracker = new ConnectionBendpointTracker(
(ConnectionEditPart)getOwner(),
getIndex());
tracker.setType(RequestConstants.REQ_CREATE_BENDPOINT);
tracker.setDefaultCursor(getCursor());
return tracker;
}
}