| /******************************************************************************* |
| * 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.command; |
| |
| import org.eclipse.draw2d.geometry.Dimension; |
| import org.eclipse.draw2d.geometry.Point; |
| import org.eclipse.draw2d.geometry.Rectangle; |
| import org.eclipse.gef.commands.Command; |
| import org.eclipse.jst.jsf.facesconfig.ui.pageflow.PageflowMessages; |
| import org.eclipse.jst.jsf.facesconfig.ui.pageflow.model.PageflowElement; |
| |
| /** |
| * This is the SetConstraint command for XY layout edit policy |
| * |
| */ |
| public class SetConstraintCommand extends Command { |
| /** location command label */ |
| private static final String COMMAND_LABEL_LOCATION = PageflowMessages.SetConstraintCommand_Location; |
| |
| /** resize command label */ |
| private static final String COMMAND_LABEL_RESIZE = PageflowMessages.SetConstraintCommand_Resize; |
| |
| /** new position */ |
| private Point newPos; |
| |
| /** new size */ |
| private Dimension newSize; |
| |
| /** olde position */ |
| private Point oldPos; |
| |
| /** old size */ |
| private Dimension oldSize; |
| |
| /** pageflow element */ |
| private PageflowElement part; |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see Command#execute() |
| */ |
| public void execute() { |
| oldSize = new Dimension(part.getWidth(), part.getHeight()); |
| oldPos = new Point(part.getX(), part.getY()); |
| part.setX(newPos.x); |
| part.setY(newPos.y); |
| part.setHeight(newSize.height); |
| part.setWidth(newSize.width); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see Command#redo() |
| */ |
| public void redo() { |
| part.setX(newPos.x); |
| part.setY(newPos.y); |
| part.setHeight(newSize.height); |
| part.setWidth(newSize.width); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see Command#undo() |
| */ |
| public void undo() { |
| part.setX(oldPos.x); |
| part.setY(oldPos.y); |
| part.setHeight(oldSize.height); |
| part.setWidth(oldSize.width); |
| } |
| |
| /** |
| * return the label of the constraints |
| */ |
| public String getLabel() { |
| if (oldSize.equals(newSize)) { |
| return COMMAND_LABEL_LOCATION; |
| } |
| return COMMAND_LABEL_RESIZE; |
| } |
| |
| /** |
| * set the new location using rectangle |
| * |
| * @param r - |
| * new location |
| */ |
| public void setLocation(Rectangle r) { |
| setLocation(r.getLocation()); |
| setSize(r.getSize()); |
| } |
| |
| /** |
| * set the new location using point |
| * |
| * @param p - |
| * new location point |
| */ |
| public void setLocation(Point p) { |
| newPos = p; |
| } |
| |
| /** |
| * set the pageflow element |
| * |
| * @param part - |
| * pageflow element |
| */ |
| public void setPart(PageflowElement part) { |
| this.part = part; |
| } |
| |
| /** |
| * set the new size |
| * |
| * @param p - |
| * new size |
| */ |
| public void setSize(Dimension p) { |
| newSize = p; |
| } |
| |
| } |