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The source code/* * 08/06/2001 - 23:42:32 * * BeginLine.java * Copyright (C) 2001 Romain Guy * * This free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ package org.jext.actions; import javax.swing.JOptionPane; import javax.swing.text.Element; import javax.swing.text.Document; import org.jext.*; import java.awt.event.ActionEvent; import javax.swing.text.BadLocationException; public class BeginLine extends MenuAction implements EditAction { public BeginLine() { super("begin_lines_with"); } public void actionPerformed(ActionEvent evt) { String response = JOptionPane.showInputDialog(getJextParent(evt), Jext.getProperty("add.line.label"), Jext.getProperty("begin.line.title"), JOptionPane.QUESTION_MESSAGE); JextTextArea textArea = getTextArea(evt); if (response == null) return; textArea.beginCompoundEdit(); Document doc = textArea.getDocument(); try { Element map = doc.getDefaultRootElement(); int firstLine = map.getElementIndex(textArea.getSelectionStart()); int lastLine = map.getElementIndex(textArea.getSelectionEnd()); for (int i = firstLine; i <= lastLine; i++) { Element lineElement = map.getElement(i); int start = lineElement.getStartOffset(); int end = lineElement.getEndOffset() - 1; end -= start; String text = response + textArea.getText(start, end); doc.remove(start, end); doc.insertString(start, text, null); } } catch (BadLocationException ble) { } textArea.endCompoundEdit(); } } // End of BeginLine.java |
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