/*
* Beryl - A web platform based on XML, XSLT and Java
* This file is part of the Beryl XML GUI
*
* Copyright (C) 2004 Wenzel Jakob <wazlaf@tigris.org>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-3107 USA
*/
package org.beryl.gui.widgets;
import java.awt.Component;
import javax.swing.JSplitPane;
import org.beryl.gui.GUIException;
import org.beryl.gui.Widget;
import org.beryl.gui.WidgetInfo;
public class SplitPane extends Widget {
private static WidgetInfo splitPaneInfo = null;
private JSplitPane splitPane = null;
private Widget first = null;
private Widget second = null;
static {
splitPaneInfo = new WidgetInfo(SplitPane.class, widgetInfo);
splitPaneInfo.addProperty("orientation", "string", "h");
splitPaneInfo.addProperty("resizeWeight", "double", new Double(0.5));
};
public SplitPane(Widget parent, String name) throws GUIException {
super(parent, name);
splitPane = new JSplitPane();
splitPane.setOneTouchExpandable(true);
splitPane.setContinuousLayout(true);
}
public void setProperty(String name, Object value) throws GUIException {
if ("orientation".equals(name)) {
String orientation = (String) value;
if (orientation.equals("h")) {
splitPane.setOrientation(JSplitPane.HORIZONTAL_SPLIT);
} else if (orientation.equals("v")) {
splitPane.setOrientation(JSplitPane.VERTICAL_SPLIT);
} else {
throw new GUIException("Invalid split pane orientation");
}
} else {
super.setProperty(name, value);
}
}
public void addChild(Widget widget, Object constraint) throws GUIException {
if (first == null) {
if (splitPane.getOrientation() == JSplitPane.HORIZONTAL_SPLIT)
splitPane.setLeftComponent(widget.getWidget());
else
splitPane.setTopComponent(widget.getWidget());
first = widget;
addChild(widget);
} else if (second == null) {
if (splitPane.getOrientation() == JSplitPane.HORIZONTAL_SPLIT)
splitPane.setRightComponent(widget.getWidget());
else
splitPane.setBottomComponent(widget.getWidget());
second = widget;
addChild(widget);
} else {
throw new GUIException("A SplitPane cannot have more than two children");
}
}
public void removeChildWidget(Widget widget) throws GUIException {
if (widget == first)
first = null;
else if (widget == second)
second = null;
super.removeChildWidget(widget);
}
public Component getWidget() {
return splitPane;
}
public WidgetInfo getWidgetInfo() {
return splitPaneInfo;
}
}