Source Code Cross Referenced for TextComponentDropTarget.java in  » Database-Client » iSQL-Viewer » org » isqlviewer » ui » dnd » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database Client » iSQL Viewer » org.isqlviewer.ui.dnd 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


01:        /*
02:         * The contents of this file are subject to the Mozilla Public License
03:         * Version 1.1 (the "License"); you may not use this file except in
04:         * compliance with the License. You may obtain a copy of the License at
05:         * http://www.mozilla.org/MPL/
06:         *
07:         * Software distributed under the License is distributed on an "AS IS"
08:         * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
09:         * License for the specific language governing rights and limitations
10:         * under the License.
11:         * 
12:         * The Original Code is iSQL-Viewer, A Mutli-Platform Database Tool.
13:         *
14:         * The Initial Developer of the Original Code is iSQL-Viewer, A Mutli-Platform Database Tool.
15:         * Portions created by Mark A. Kobold are Copyright (C) 2000-2007. All Rights Reserved.
16:         *
17:         * Contributor(s): 
18:         *  Mark A. Kobold [mkobold <at> isqlviewer <dot> com].
19:         *  
20:         * If you didn't download this code from the following link, you should check
21:         * if you aren't using an obsolete version: http://www.isqlviewer.com
22:         */
23:        package org.isqlviewer.ui.dnd;
24:
25:        import java.awt.datatransfer.DataFlavor;
26:        import java.awt.datatransfer.Transferable;
27:        import java.awt.datatransfer.UnsupportedFlavorException;
28:        import java.awt.dnd.DnDConstants;
29:        import java.awt.dnd.DropTarget;
30:        import java.awt.dnd.DropTargetDropEvent;
31:        import java.io.IOException;
32:
33:        import javax.swing.text.BadLocationException;
34:        import javax.swing.text.Document;
35:        import javax.swing.text.JTextComponent;
36:
37:        /**
38:         * Drop Target for dropping text with COPY/MOVE DnD actions.
39:         * <p>
40:         * The default drop targets for text only want to seem to do COPY only.
41:         * 
42:         * @author Mark A. Kobold &lt;mkobold at isqlviewer dot com&gt;
43:         * @version 1.0
44:         */
45:        public class TextComponentDropTarget extends DropTarget {
46:
47:            private static final long serialVersionUID = 4496993389366518143L;
48:            private JTextComponent editor = null;
49:
50:            public TextComponentDropTarget(JTextComponent editor) {
51:
52:                this .editor = editor;
53:            }
54:
55:            public void drop(DropTargetDropEvent event) {
56:
57:                boolean successful = false;
58:                try {
59:                    if (event.isDataFlavorSupported(DataFlavor.stringFlavor)) {
60:                        Document doc = editor.getDocument();
61:                        int offset = editor.viewToModel(event.getLocation());
62:                        int dropAction = event.getDropAction();
63:                        Transferable transferable = event.getTransferable();
64:                        String s = (String) transferable
65:                                .getTransferData(DataFlavor.stringFlavor);
66:                        event.acceptDrop(dropAction);
67:                        switch (dropAction) {
68:                        case DnDConstants.ACTION_COPY:
69:                            doc.insertString(offset, s, null);
70:                            editor.requestFocus();
71:                            successful = true;
72:                            break;
73:                        case DnDConstants.ACTION_MOVE:
74:                            editor.setText(s);
75:                            editor.requestFocus();
76:                            successful = true;
77:                            break;
78:                        default:
79:                            break;
80:                        }
81:                    }
82:                } catch (UnsupportedFlavorException e) {
83:                } catch (IOException e) {
84:                } catch (BadLocationException e) {
85:                } finally {
86:                    event.dropComplete(successful);
87:                }
88:            }
89:        }
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