/*****************************************************************************
* Copyright (c) 2015 CEA LIST.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Dirk Fauth <dirk.fauth@googlemail.com> - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.nebula.widgets.richtext;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.PaintEvent;
import org.eclipse.swt.events.PaintListener;
import org.eclipse.swt.widgets.Canvas;
import org.eclipse.swt.widgets.Composite;
// TODO add scrolling support
/**
* Simple rich text viewer control that uses the {@link RichTextPainter} to render text with HTML
* markups on a {@link Canvas}.
*/
public class RichTextViewer extends Canvas {
private String htmlText;
private RichTextPainter painter;
/**
*
* @param parent
* @param style
* The style bits to use.
*
* @see SWT#WRAP
*/
public RichTextViewer(Composite parent, int style) {
super(parent, style | SWT.DOUBLE_BUFFERED);
final boolean wordWrap = (getStyle() & SWT.WRAP) != 0;
this.painter = new RichTextPainter(wordWrap);
addPaintListener(new PaintListener() {
@Override
public void paintControl(PaintEvent e) {
painter.paintHTML(htmlText != null ? htmlText : "", e.gc, getClientArea());
}
});
}
public void setText(String text) {
this.htmlText = text;
redraw();
update();
}
}