/*****************************************************************************
* Copyright (c) 2002, 2006 IBM Corporation, 2014 CEA LIST 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.tooling.runtime.linklf.policies;
import org.eclipse.draw2d.Connection;
import org.eclipse.draw2d.FigureCanvas;
import org.eclipse.draw2d.geometry.Point;
import org.eclipse.draw2d.geometry.PointList;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.gef.Request;
import org.eclipse.gef.commands.Command;
import org.eclipse.gef.requests.BendpointRequest;
import org.eclipse.gef.ui.parts.ScrollingGraphicalViewer;
import org.eclipse.gmf.runtime.diagram.ui.commands.ICommandProxy;
import org.eclipse.gmf.runtime.diagram.ui.editparts.IGraphicalEditPart;
import org.eclipse.gmf.runtime.diagram.ui.editpolicies.ConnectionBendpointEditPolicy;
import org.eclipse.gmf.runtime.diagram.ui.internal.commands.SetConnectionBendpointsCommand;
import org.eclipse.gmf.runtime.diagram.ui.requests.RequestConstants;
import org.eclipse.gmf.runtime.diagram.ui.requests.SetAllBendpointRequest;
import org.eclipse.gmf.runtime.diagram.ui.util.SelectInDiagramHelper;
import org.eclipse.gmf.runtime.emf.core.util.EObjectAdapter;
import org.eclipse.gmf.runtime.gef.ui.internal.editpolicies.LineMode;
import org.eclipse.gmf.runtime.notation.Edge;
/**
* [GMFRT] make protected
* <p/>
* This class is an exact copy of the {@link ConnectionBendpointEditPolicy},
* without any modifications. What we actually want is to make some methods
* protected in its super class
* {@link org.eclipse.gmf.runtime.gef.ui.internal.editpolicies.ConnectionBendpointEditPolicy}.
* <p/>
* This class as a whole should be removed when the GMFT runtime will make the
* corresponding methods protected.
* <p/>
* This class is intentionally package local and should be removed after patch
* for bug 331779 is merged.
*
* @since 3.3
* @see ConnectionBendpointEditPolicy2
* @see https://bugs.eclipse.org/bugs/show_bug.cgi?id=331779
*/
@Deprecated
class ConnectionBendpointEditPolicy3 extends ConnectionBendpointEditPolicy2 {
/**
* @param lineSegMode
*/
protected ConnectionBendpointEditPolicy3(LineMode lineSegMode) {
super(lineSegMode);
}
/**
*
*/
public ConnectionBendpointEditPolicy3() {
super(LineMode.OBLIQUE);
}
/**
* Returns the appropriate Command for the request type given. Handles
* creating, moving and deleting bendpoints. The actual creation of the
* command is taken care of by subclasses implementing the appropriate
* methods.
*
* @see #getCreateBendpointCommand(BendpointRequest)
* @see #getMoveBendpointCommand(BendpointRequest)
* @see #getDeleteBendpointCommand(BendpointRequest)
*/
public Command getCommand(Request request) {
if (RequestConstants.REQ_SET_ALL_BENDPOINT.equals(request.getType()))
return getSetBendpointCommand((SetAllBendpointRequest) request);
return super.getCommand(request);
}
/**
* Method getBendpointsChangedCommand. This method will return a
* SetBendpointsCommand with the points retrieved from the user feedback in
* the figure.
*
* @param request
* BendpointRequest from the user gesture for moving / creating a
* bendpoint
* @return Command SetBendpointsCommand that contains the point changes for
* the connection.
*/
protected Command getBendpointsChangedCommand(BendpointRequest request) {
if ((getHost().getViewer() instanceof ScrollingGraphicalViewer)
&& (getHost().getViewer().getControl() instanceof FigureCanvas)) {
SelectInDiagramHelper.exposeLocation((FigureCanvas) getHost()
.getViewer().getControl(), request.getLocation().getCopy());
}
Connection connection = getConnection();
Edge connectionView = (Edge) request.getSource().getModel();
return getBendpointsChangedCommand(connection, connectionView);
}
/**
* Method getBendpointsChangedCommand Different signature method that allows
* a command to constructed for changing the bendpoints without requiring
* the original Request.
*
* @param connection
* Connection to generate the bendpoints changed command from
* @param edge
* notation element that the command will operate on.
* @return Command SetBendpointsCommand that contains the point changes for
* the connection.
*/
protected Command getBendpointsChangedCommand(Connection connection,
Edge edge) {
Point ptRef1 = connection.getSourceAnchor().getReferencePoint();
getConnection().translateToRelative(ptRef1);
Point ptRef2 = connection.getTargetAnchor().getReferencePoint();
getConnection().translateToRelative(ptRef2);
TransactionalEditingDomain editingDomain = ((IGraphicalEditPart) getHost())
.getEditingDomain();
SetConnectionBendpointsCommand sbbCommand = new SetConnectionBendpointsCommand(
editingDomain);
sbbCommand.setEdgeAdapter(new EObjectAdapter(edge));
sbbCommand.setNewPointList(connection.getPoints(), ptRef1, ptRef2);
return new ICommandProxy(sbbCommand);
}
/**
* Method getSetBendpointCommand. This method returns a command that
* executes the REQ_SET_ALL_BENDPOINT request
*
* @param request
* SetAllBendpointRequest that stores the points to be set by the
* command.
* @return Command to be executed.
*/
protected Command getSetBendpointCommand(SetAllBendpointRequest request) {
Connection connection = getConnection();
PointList newPoints = request.getPoints();
TransactionalEditingDomain editingDomain = ((IGraphicalEditPart) getHost())
.getEditingDomain();
SetConnectionBendpointsCommand sbbCommand = new SetConnectionBendpointsCommand(
editingDomain);
sbbCommand.setEdgeAdapter(new EObjectAdapter((Edge) getHost()
.getModel()));
if (request.getSourceReference() != null
&& request.getTargetReference() != null) {
sbbCommand.setNewPointList(newPoints, request.getSourceReference(),
request.getTargetReference());
} else {
sbbCommand.setNewPointList(newPoints, connection.getSourceAnchor(),
connection.getTargetAnchor());
}
return new ICommandProxy(sbbCommand);
}
}
