001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common
008: * Development and Distribution License("CDDL") (collectively, the
009: * "License"). You may not use this file except in compliance with the
010: * License. You can obtain a copy of the License at
011: * http://www.netbeans.org/cddl-gplv2.html
012: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013: * specific language governing permissions and limitations under the
014: * License. When distributing the software, include this License Header
015: * Notice in each file and include the License file at
016: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
017: * particular file as subject to the "Classpath" exception as provided
018: * by Sun in the GPL Version 2 section of the License file that
019: * accompanied this code. If applicable, add the following below the
020: * License Header, with the fields enclosed by brackets [] replaced by
021: * your own identifying information:
022: * "Portions Copyrighted [year] [name of copyright owner]"
023: *
024: * Contributor(s):
025: *
026: * The Original Software is NetBeans. The Initial Developer of the Original
027: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
028: * Microsystems, Inc. All Rights Reserved.
029: *
030: * If you wish your version of this file to be governed by only the CDDL
031: * or only the GPL Version 2, indicate your decision by adding
032: * "[Contributor] elects to include this software in this distribution
033: * under the [CDDL or GPL Version 2] license." If you do not indicate a
034: * single choice of license, a recipient has the option to distribute
035: * your version of this file under either the CDDL, the GPL Version 2 or
036: * to extend the choice of license to its licensees as provided above.
037: * However, if you add GPL Version 2 code and therefore, elected the GPL
038: * Version 2 license, then the option applies only if the new code is
039: * made subject to such option by the copyright holder.
040: */
041:
042: package org.netbeans.modules.palette;
043:
044: import javax.swing.text.BadLocationException;
045: import javax.swing.text.Caret;
046: import javax.swing.text.Document;
047: import javax.swing.text.JTextComponent;
048: import org.openide.text.ActiveEditorDrop;
049: import org.openide.util.lookup.InstanceContent;
050:
051: /**
052: *
053: * @author Libor Kotouc
054: */
055: class ActiveEditorDropDefaultProvider implements
056: InstanceContent.Convertor<String, ActiveEditorDrop> {
057:
058: private static ActiveEditorDropDefaultProvider instance = new ActiveEditorDropDefaultProvider();
059:
060: /** Creates a new instance of ActiveEditorDropDefaultProvider */
061: private ActiveEditorDropDefaultProvider() {
062: }
063:
064: static ActiveEditorDropDefaultProvider getInstance() {
065: return instance;
066: }
067:
068: public Class<? extends ActiveEditorDrop> type(String obj) {
069: //able to convert String instances only
070: return ActiveEditorDrop.class;
071: }
072:
073: public String id(String obj) {
074: return obj;
075: }
076:
077: public String displayName(String obj) {
078: return obj;
079: }
080:
081: public ActiveEditorDrop convert(String obj) {
082: return getActiveEditorDrop(obj);
083: }
084:
085: private ActiveEditorDrop getActiveEditorDrop(String body) {
086:
087: return new ActiveEditorDropDefault(body);
088: }
089:
090: private static class ActiveEditorDropDefault implements
091: ActiveEditorDrop {
092:
093: String body;
094:
095: public ActiveEditorDropDefault(String body) {
096: this .body = body;
097: }
098:
099: public boolean handleTransfer(JTextComponent targetComponent) {
100:
101: if (targetComponent == null)
102: return false;
103:
104: try {
105: Document doc = targetComponent.getDocument();
106: Caret caret = targetComponent.getCaret();
107: int p0 = Math.min(caret.getDot(), caret.getMark());
108: int p1 = Math.max(caret.getDot(), caret.getMark());
109: doc.remove(p0, p1 - p0);
110:
111: //replace selected text by the inserted one
112: int start = caret.getDot();
113: doc.insertString(start, body, null);
114: } catch (BadLocationException ble) {
115: return false;
116: }
117:
118: return true;
119: }
120: }
121:
122: }
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