/*
* Boo Development Tools for the Eclipse IDE
* Copyright (C) 2005 Rodrigo B. de Oliveira (rbo@acm.org)
*
* This program is 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
* (at your option) 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 monolipse.ui.editors;
import org.eclipse.jface.text.*;
public class BooDoubleClickStrategy implements ITextDoubleClickStrategy {
protected ITextViewer _viewer;
public void doubleClicked(ITextViewer part) {
int pos = part.getSelectedRange().x;
if (pos < 0) return;
_viewer = part;
selectWord(pos);
}
protected boolean selectWord(int caretPos) {
IDocument doc = _viewer.getDocument();
int startPos, endPos;
try {
int pos = caretPos;
char c;
while (pos >= 0) {
c = doc.getChar(pos);
if (!Character.isJavaIdentifierPart(c))
break;
--pos;
}
startPos = pos;
pos = caretPos;
int length = doc.getLength();
while (pos < length) {
c = doc.getChar(pos);
if (!Character.isJavaIdentifierPart(c))
break;
++pos;
}
endPos = pos;
selectRange(startPos, endPos);
return true;
} catch (BadLocationException x) {
}
return false;
}
private void selectRange(int startPos, int stopPos) {
int offset = startPos + 1;
int length = stopPos - offset;
_viewer.setSelectedRange(offset, length);
}
}