/*
* 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.BorderLayout;
import java.awt.Component;
import java.awt.LayoutManager;
import javax.swing.BorderFactory;
import javax.swing.JPanel;
import org.beryl.gui.GUIException;
import org.beryl.gui.Widget;
import org.beryl.gui.WidgetInfo;
import cz.autel.dmi.HIGLayout;
public class Panel extends Widget {
protected static WidgetInfo panelInfo = null;
protected JPanel panel = null;
static {
panelInfo = new WidgetInfo(Panel.class, widgetInfo);
panelInfo.addProperty("border", "border", BorderFactory.createEmptyBorder());
panelInfo.addProperty("layout", "layout", new BorderLayout());
};
public Panel(Widget parent, String name) throws GUIException{
super(parent, name);
panel = new JPanel(new BorderLayout());
}
public void addChild(Widget widget, Object constraint) throws GUIException {
Component component = widget.getWidget();
if (constraint == null)
constraint = BorderLayout.CENTER;
panel.add(component, constraint);
addChild(widget);
}
public void setProperty(String name, Object value) throws GUIException {
if ("spacing".equals(name)) {
int border = ((Integer) value).intValue();
panel.setBorder(BorderFactory.createEmptyBorder(border, border, border, border));
} else {
super.setProperty(name, value);
}
}
public void recreateLayout() throws GUIException {
LayoutManager manager = panel.getLayout();
if (manager instanceof HIGLayout && !(this instanceof Group)) {
/* Recreate the hig layout. Why is this needed? */
HIGLayout layout = (HIGLayout) manager;
HIGLayout newLayout = new HIGLayout(layout.getWidths(), layout.getHeights());
for (int i=1; i<layout.getColumnWeights().length; i++)
newLayout.setColumnWeight(i, layout.getColumnWeights()[i]);
for (int i=1; i<layout.getRowWeights().length; i++)
newLayout.setRowWeight(i, layout.getRowWeights()[i]);
panel.setLayout(newLayout);
}
revalidate();
}
public void removeChildWidget(Widget widget) throws GUIException {
panel.remove(widget.getWidget());
super.removeChildWidget(widget);
}
public Component getWidget() {
return panel;
}
public WidgetInfo getWidgetInfo() {
return panelInfo;
}
}