| /******************************************************************************* |
| * Copyright (c) 2000, 2003 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.ui.tests.internal; |
| |
| import org.eclipse.swt.graphics.Point; |
| import org.eclipse.swt.widgets.Composite; |
| |
| import org.eclipse.jface.text.source.IVerticalRuler; |
| import org.eclipse.jface.text.source.SourceViewer; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.SelectionChangedEvent; |
| |
| public class ExtendedSourceViewer extends SourceViewer { |
| |
| /** |
| * Constructs a new source viewer. The vertical ruler is initially visible. |
| * The viewer has not yet been initialized with a source viewer configuration. |
| * |
| * @param parent the parent of the viewer's control |
| * @param ruler the vertical ruler used by this source viewer |
| * @param styles the SWT style bits |
| */ |
| public ExtendedSourceViewer(Composite parent, IVerticalRuler ruler, int styles) { |
| super(parent, ruler, styles); |
| } |
| |
| /* |
| * @see Viewer#getSelection() |
| */ |
| public ISelection getSelection() { |
| Point p= getSelectedRange(); |
| if (p.x == -1 || p.y == -1) |
| return ExtendedTextSelection.emptySelection(); |
| |
| return new ExtendedTextSelection(getDocument(), p.x, p.y); |
| } |
| |
| /** |
| * Sends out a selection changed event to all registered listeners. |
| * |
| * @param offset the offset of the newly selected range |
| * @param length the length of the newly selected range |
| */ |
| protected void selectionChanged(int offset, int length) { |
| ISelection selection= new ExtendedTextSelection(getDocument(), offset, length); |
| SelectionChangedEvent event= new SelectionChangedEvent(this, selection); |
| fireSelectionChanged(event); |
| } |
| } |
| |