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Java > Open Source Codes > org > nightlabs > editor2d > actions > CopyAction


1 /* *****************************************************************************
2  * NightLabs Editor2D - Graphical editor framework *
3  * Copyright (C) 2004-2005 NightLabs - http://NightLabs.org *
4  * *
5  * This library is free software; you can redistribute it and/or *
6  * modify it under the terms of the GNU Lesser General Public *
7  * License as published by the Free Software Foundation; either *
8  * version 2.1 of the License, or (at your option) any later version. *
9  * *
10  * This library is distributed in the hope that it will be useful, *
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
13  * Lesser General Public License for more details. *
14  * *
15  * You should have received a copy of the GNU Lesser General Public *
16  * License along with this library; if not, write to the *
17  * Free Software Foundation, Inc., *
18  * 51 Franklin St, Fifth Floor, *
19  * Boston, MA 02110-1301 USA *
20  * *
21  * Or get it online : *
22  * http://www.gnu.org/copyleft/lesser.html *
23  * *
24  * *
25  ******************************************************************************/
26 package org.nightlabs.editor2d.actions;
27
28 import java.util.List JavaDoc;
29
30 import org.eclipse.gef.ui.actions.Clipboard;
31 import org.eclipse.swt.SWT;
32 import org.eclipse.ui.actions.ActionFactory;
33 import org.nightlabs.editor2d.AbstractEditor;
34 import org.nightlabs.editor2d.DrawComponent;
35 import org.nightlabs.editor2d.EditorPlugin;
36
37 /**
38  * <p> Author: Daniel.Mazurek[AT]NightLabs[DOT]de </p>
39  */
40 public class CopyAction
41 extends AbstractEditorSelectionAction
42 {
43 // public static final String ID = CopyAction.class.getName();
44 public static final String JavaDoc ID = ActionFactory.COPY.getId();
45     
46 // public static final String PROP_COPY_TO_CLIPBOARD = "Added Content to Clipboard";
47 // public static final Object EMPTY_CLIPBOARD_CONTENT = new Object();
48
49     /**
50      * @param editor
51      * @param style
52      */
53     public CopyAction(AbstractEditor editor, int style) {
54         super(editor, style);
55     }
56
57     /**
58      * @param editor
59      */
60     public CopyAction(AbstractEditor editor) {
61         super(editor);
62     }
63
64   protected void init()
65   {
66     super.init();
67     setText(EditorPlugin.getResourceString("action.copy.text"));
68     setToolTipText(EditorPlugin.getResourceString("action.copy.tooltip"));
69     setId(ID);
70     setActionDefinitionId(ID);
71     setAccelerator(SWT.CTRL | 'C');
72   }
73     
74     /**
75     *@return true, if objects are selected, except the RootEditPart or LayerEditParts
76     */
77     protected boolean calculateEnabled() {
78         return !getDefaultSelection(false).isEmpty();
79     }
80         
81     /**
82      * adds all selected DrawComponents to the {@link Clipboard}
83      *
84      */
85     public void run()
86     {
87         List JavaDoc dcs = getSelection(DrawComponent.class, true);
88         Clipboard clipboard = Clipboard.getDefault();
89         Object JavaDoc oldContent = clipboard.getContents();
90         clipboard.setContents(dcs);
91         firePropertyChange(EditorActionConstants.PROP_COPY_TO_CLIPBOARD, oldContent, dcs);
92     }
93                     
94 }
95
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