/*******************************************************************************
* Copyright (c) 2012 VMware, Inc.
* 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:
* VMware, Inc. - initial API and implementation
*******************************************************************************/
package org.springframework.ide.eclipse.config.ui.editors.integration.graph.parts;
import org.eclipse.draw2d.ConnectionAnchor;
import org.eclipse.draw2d.PositionConstants;
import org.eclipse.gef.ConnectionEditPart;
import org.eclipse.gef.EditPart;
import org.eclipse.gef.Request;
import org.eclipse.gef.requests.CreateConnectionRequest;
import org.springframework.ide.eclipse.config.graph.parts.ActivityDiagramPart;
import org.springframework.ide.eclipse.config.graph.parts.BottomAnchor;
import org.springframework.ide.eclipse.config.graph.parts.RightAnchor;
import org.springframework.ide.eclipse.config.graph.policies.FixedConnectionNodeEditPolicy;
import org.springframework.ide.eclipse.config.ui.editors.integration.graph.ChannelNodeEditPolicy;
import org.springframework.ide.eclipse.config.ui.editors.integration.graph.model.AbstractChannelModelElement;
import org.springframework.ide.eclipse.config.ui.editors.integration.graph.model.AlternateTransition;
/**
* @author Leo Dos Santos
*/
public abstract class AbstractChannelGraphicalEditPart extends BorderedIntegrationPart {
public AbstractChannelGraphicalEditPart(AbstractChannelModelElement channel) {
super(channel);
}
@Override
protected FixedConnectionNodeEditPolicy getFixedConnectionNodeEditPolicy() {
return new ChannelNodeEditPolicy();
}
@Override
public ConnectionAnchor getSourceConnectionAnchor(ConnectionEditPart connection) {
if (connection instanceof AlternateTransitionPart) {
return getWireTapConnectionAnchor();
}
return super.getSourceConnectionAnchor(connection);
}
@Override
public ConnectionAnchor getSourceConnectionAnchor(Request request) {
if (request instanceof CreateConnectionRequest) {
CreateConnectionRequest create = (CreateConnectionRequest) request;
if (AlternateTransition.class == create.getNewObjectType()) {
return getWireTapConnectionAnchor();
}
}
return super.getSourceConnectionAnchor(request);
}
private ConnectionAnchor getWireTapConnectionAnchor() {
EditPart part = getViewer().getContents();
if (part instanceof ActivityDiagramPart) {
ActivityDiagramPart diagram = (ActivityDiagramPart) part;
if (diagram.getDirection() == PositionConstants.EAST) {
return new BottomAnchor(getFigure(), getAnchorOffset());
}
}
return new RightAnchor(getFigure(), getAnchorOffset());
}
}