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/*******************************************************************************
* Copyright (c) 2004, 2005 Sybase, Inc. 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:
* Sybase, Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.jsf.facesconfig.ui.pageflow.editpolicy;
import org.eclipse.draw2d.geometry.Rectangle;
import org.eclipse.gef.EditPart;
import org.eclipse.gef.EditPolicy;
import org.eclipse.gef.Request;
import org.eclipse.gef.commands.Command;
import org.eclipse.gef.editpolicies.ResizableEditPolicy;
import org.eclipse.gef.editpolicies.XYLayoutEditPolicy;
import org.eclipse.gef.requests.CreateRequest;
import org.eclipse.jst.jsf.facesconfig.ui.pageflow.command.AddNodeCommand;
import org.eclipse.jst.jsf.facesconfig.ui.pageflow.command.CreateNodeCommand;
import org.eclipse.jst.jsf.facesconfig.ui.pageflow.command.SetConstraintCommand;
import org.eclipse.jst.jsf.facesconfig.ui.pageflow.editpart.PageflowNodeEditPart;
import org.eclipse.jst.jsf.facesconfig.ui.pageflow.model.Pageflow;
import org.eclipse.jst.jsf.facesconfig.ui.pageflow.model.PageflowNode;
public class PageflowXYLayoutEditPolicy extends XYLayoutEditPolicy {
/*
* (non-Javadoc)
*
* @see XYLayoutEditPolicy#createAddCommand()
*/
protected Command createAddCommand(EditPart childEditPart, Object constraint) {
PageflowNode part = (PageflowNode) childEditPart.getModel();
Rectangle rect = (Rectangle) constraint;
AddNodeCommand add = new AddNodeCommand();
add.setParent((Pageflow) getHost().getModel());
add.setChild(part);
add.setLabel("add");
add.setDebugLabel("PageFlowXYEP add subpart"); //$NON-NLS-1$
SetConstraintCommand setConstraint = new SetConstraintCommand();
setConstraint.setLocation(rect);
setConstraint.setPart(part);
setConstraint.setLabel("add");
setConstraint.setDebugLabel("PageFlowXYEP setConstraint"); //$NON-NLS-1$
return add.chain(setConstraint);
}
/*
* (non-Javadoc)
*
* @see XYLayoutEditPolicy#createChangeConstraintCommand()
*/
protected Command createChangeConstraintCommand(EditPart child,
Object constraint) {
SetConstraintCommand locationCommand = new SetConstraintCommand();
locationCommand.setPart((PageflowNode) child.getModel());
locationCommand.setLocation((Rectangle) constraint);
return locationCommand;
}
/*
* (non-Javadoc)
*
* @see XYLayoutEditPolicy#createChildEditPolicy()
*/
protected EditPolicy createChildEditPolicy(EditPart child) {
if (child instanceof PageflowNodeEditPart) {
return new PageflowNodeSelectionEditPolicy();
}
return new ResizableEditPolicy();
}
/*
* (non-Javadoc)
*
* @see XYLayoutEditPolicy#getCreateCommand()
*/
protected Command getCreateCommand(CreateRequest request) {
CreateNodeCommand create = new CreateNodeCommand();
create.setParent((Pageflow) getHost().getModel());
create.setChild((PageflowNode) request.getNewObject());
Rectangle constraint = (Rectangle) getConstraintFor(request);
create.setLocation(constraint);
create.setLabel("Add");
return create;
}
/*
* (non-Javadoc)
*
* @see XYLayoutEditPolicy#getDeleteDependantCommand()
*/
protected Command getDeleteDependantCommand(Request request) {
return null;
}
/*
* (non-Javadoc)
*
* @see XYLayoutEditPolicy#getOrphanChildrenCommand()
*/
protected Command getOrphanChildrenCommand(Request request) {
return null;
}
}
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