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| com.bonevich.eclipse.cvsgrapher.editors.SetConstraintCommand |
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| 1 | /* ==================================================================== |
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| 2 | * The Apache Software License, Version 1.1 |
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| 3 | * |
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| 4 | * Copyright (c) 2000 The Apache Software Foundation. All rights |
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| 5 | * reserved. |
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| 6 | * |
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| 7 | * Redistribution and use in source and binary forms, with or without |
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| 8 | * modification, are permitted provided that the following conditions |
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| 9 | * are met: |
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| 10 | * |
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| 11 | * 1. Redistributions of source code must retain the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer. |
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| 13 | * |
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| 14 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 15 | * notice, this list of conditions and the following disclaimer in |
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| 16 | * the documentation and/or other materials provided with the |
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| 17 | * distribution. |
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| 18 | * |
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| 19 | * 3. The end-user documentation included with the redistribution, |
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| 20 | * if any, must include the following acknowledgment: |
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| 21 | * "This product includes software developed by the |
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| 22 | * Apache Software Foundation (http://www.apache.org/)." |
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| 23 | * Alternately, this acknowledgment may appear in the software itself, |
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| 24 | * if and wherever such third-party acknowledgments normally appear. |
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| 25 | * |
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| 26 | * 4. The names "Apache" and "Apache Software Foundation" must |
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| 27 | * not be used to endorse or promote products derived from this |
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| 28 | * software without prior written permission. For written |
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| 29 | * permission, please contact apache@apache.org. |
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| 30 | * |
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| 31 | * 5. Products derived from this software may not be called "Apache", |
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| 32 | * nor may "Apache" appear in their name, without prior written |
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| 33 | * permission of the Apache Software Foundation. |
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| 34 | * |
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| 35 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
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| 36 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 37 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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| 38 | * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
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| 39 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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| 40 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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| 41 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
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| 42 | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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| 43 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
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| 44 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
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| 45 | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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| 46 | * SUCH DAMAGE. |
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| 47 | * ==================================================================== |
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| 48 | * |
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| 49 | * This software consists of voluntary contributions made by many |
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| 50 | * individuals on behalf of the Apache Software Foundation. For more |
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| 51 | * information on the Apache Software Foundation, please see |
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| 52 | * <http://www.apache.org/>. |
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| 53 | * |
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| 54 | * Portions of this software are based upon public domain software |
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| 55 | * originally written at the National Center for Supercomputing Applications, |
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| 56 | * University of Illinois, Urbana-Champaign. |
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| 57 | */ |
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| 58 | package com.bonevich.eclipse.cvsgrapher.editors; |
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| 59 | ||
| 60 | import org.eclipse.draw2d.geometry.Point; |
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| 61 | import org.eclipse.draw2d.geometry.Rectangle; |
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| 62 | import org.eclipse.gef.commands.Command; |
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| 63 | ||
| 64 | /** |
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| 65 | * This command is used to move or to resize the nodes in the |
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| 66 | * CVS Graph Editor. Support for undo/redo is ready but not used. |
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| 67 | * |
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| 68 | * @author jbonevic |
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| 69 | */ |
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| 70 | 0 | public final class SetConstraintCommand extends Command |
| 71 | { |
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| 72 | private Point _newPos; |
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| 73 | private Point _oldPos; |
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| 74 | private CvsGraphNodeViewHelper _helper; |
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| 75 | ||
| 76 | public void execute() |
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| 77 | { |
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| 78 | 0 | _oldPos = _helper.getLocation(); |
| 79 | 0 | _helper.setLocation(_newPos); |
| 80 | 0 | } |
| 81 | ||
| 82 | public void redo() |
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| 83 | { |
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| 84 | 0 | _helper.setLocation(_newPos); |
| 85 | 0 | } |
| 86 | ||
| 87 | public void setLocation(Rectangle r) |
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| 88 | { |
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| 89 | 0 | setLocation(r.getLocation()); |
| 90 | 0 | } |
| 91 | ||
| 92 | public void setLocation(Point p) |
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| 93 | { |
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| 94 | 0 | _newPos = p; |
| 95 | 0 | } |
| 96 | ||
| 97 | public void setViewHelper(CvsGraphNodeViewHelper helper) |
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| 98 | { |
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| 99 | 0 | _helper = helper; |
| 100 | 0 | } |
| 101 | ||
| 102 | public void undo() |
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| 103 | { |
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| 104 | 0 | _helper.setLocation(_oldPos); |
| 105 | 0 | } |
| 106 | ||
| 107 | } |
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