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/*******************************************************************************
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* Copyright (c) 2000, 2010 IBM Corporation and others.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* IBM Corporation - initial API and implementation
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*******************************************************************************/
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package org.eclipse.gef.handles;
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import org.eclipse.draw2d.Locator;
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import org.eclipse.draw2d.MidpointLocator;
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import org.eclipse.draw2d.geometry.Dimension;
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import org.eclipse.gef.ConnectionEditPart;
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import org.eclipse.gef.DragTracker;
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import org.eclipse.gef.RequestConstants;
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import org.eclipse.gef.SharedCursors;
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import org.eclipse.gef.tools.ConnectionBendpointTracker;
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/**
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* A BendpointHandle that is used to create a new bendpoint.
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*/
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public class BendpointCreationHandle extends BendpointHandle {
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{
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setCursor(SharedCursors.SIZEALL);
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setPreferredSize(new Dimension(DEFAULT_HANDLE_SIZE - 2,
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DEFAULT_HANDLE_SIZE - 2));
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}
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/**
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* Creates a new BendpointCreationHandle.
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*/
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public BendpointCreationHandle() {
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}
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/**
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* Creates a new BendpointCreationHandle, sets its owner to
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* <code>owner</code> and its index to <code>index</code>, and sets its
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* locator to a new {@link MidpointLocator}.
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*
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* @param owner
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* the ConnectionEditPart owner
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* @param index
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* the index
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*/
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public BendpointCreationHandle(ConnectionEditPart owner, int index) {
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setOwner(owner);
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setIndex(index);
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setLocator(new MidpointLocator(getConnection(), index));
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}
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/**
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* Creates a new BendpointCreationHandle, sets its owner to
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* <code>owner</code> and its index to <code>index</code>, and sets its
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* locator to a new {@link MidpointLocator} with the given
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* <code>locatorIndex</code>.
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*
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* @param owner
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* the ConnectionEditPart owner
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* @param index
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* the index
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* @param locatorIndex
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* the locator index
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*/
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public BendpointCreationHandle(ConnectionEditPart owner, int index,
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int locatorIndex) {
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setOwner(owner);
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setIndex(index);
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setLocator(new MidpointLocator(getConnection(), locatorIndex));
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}
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/**
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* Creates a new BendpointCreationHandle and sets its owner to
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* <code>owner</code>, sets its index to <code>index</code>, and sets its
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* locator to <code>locator</code>.
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*
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* @param owner
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* the ConnectionEditPart owner
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* @param index
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* the index
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* @param locator
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* the Locator
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*/
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public BendpointCreationHandle(ConnectionEditPart owner, int index,
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Locator locator) {
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setOwner(owner);
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setIndex(index);
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setLocator(locator);
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}
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/**
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* Creates and returns a new {@link ConnectionBendpointTracker}.
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*
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* @return the new ConnectionBendpointTracker
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*/
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protected DragTracker createDragTracker() {
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ConnectionBendpointTracker tracker;
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tracker = new ConnectionBendpointTracker(
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(ConnectionEditPart) getOwner(), getIndex());
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tracker.setType(RequestConstants.REQ_CREATE_BENDPOINT);
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tracker.setDefaultCursor(getCursor());
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return tracker;
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}
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}
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