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/* ScrollableGraphTableComponent.java
* =========================================================================
* This file is part of the GrInvIn project - http://www.grinvin.org
*
* Copyright (C) 2005-2008 Universiteit Gent
*
* 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.
*
* A copy of the GNU General Public License can be found in the file
* LICENSE.txt provided with the source distribution of this program (see
* the META-INF directory in the source jar). This license can also be
* found on the GNU website at http://www.gnu.org/licenses/gpl.html.
*
* If you did not receive a copy of the GNU General Public License along
* with this program, contact the lead developer, or write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
package org.grinvin.gui.components;
import java.awt.Color;
import java.awt.Component;
import java.awt.Graphics;
import java.util.ResourceBundle;
import javax.swing.BorderFactory;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JScrollPane;
import javax.swing.JViewport;
import javax.swing.ListCellRenderer;
import javax.swing.ListSelectionModel;
import javax.swing.UIManager;
import javax.swing.border.Border;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import org.grinvin.list.graphs.GraphList;
import org.grinvin.gui.components.render.GraphListElementRenderer;
import org.grinvin.list.graphs.GraphListModel;
import org.grinvin.list.invariants.InvariantListModel;
/**
* A version of {@link GraphTableComponent} that is scrollable.
*/
public class ScrollableGraphTableComponent extends JScrollPane {
//
private static final String BUNDLE_NAME = "org.grinvin.worksheet.resources";
//
protected final GraphTableComponent graphtable;
// shared instance
private static final ListCellRenderer CELL_RENDERER
= new TabelHeaderCellRenderer();
//
public ScrollableGraphTableComponent(GraphListModel graphListModel, InvariantListModel invariantListModel, ListSelectionModel selectionModel) {
super();
this.graphtable = new GraphTableComponent(graphListModel, invariantListModel, selectionModel);
setViewportView(graphtable);
// row header view is an almost standard graph list component
GraphListComponent rowHeaderView =
new GraphListComponent(graphListModel, selectionModel);
rowHeaderView.setFixedCellHeight(graphtable.getRowHeight());
rowHeaderView.setCellRenderer(CELL_RENDERER); // overrides cell renderer for graph list component
rowHeaderView.setPaintWatermark(false);
setRowHeaderView(rowHeaderView);
//workaround from http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4202002
getRowHeader().addChangeListener(new ChangeListener() {
public void stateChanged(ChangeEvent e) {
JViewport jvViewport = (JViewport) e.getSource();
int iExtent = jvViewport.getExtentSize().height;
int iMax = jvViewport.getViewSize().height;
int iValue = Math.max(0, Math.min(jvViewport.getViewPosition().y, iMax - iExtent));
getVerticalScrollBar().setValues(iValue, iExtent, 0, iMax);
}
});
// top left corner
JLabel corner = new JLabel (ResourceBundle.getBundle(BUNDLE_NAME).getString ("Corner.caption"));
corner.setForeground(UIManager.getColor("TableHeader.foreground"));
corner.setBackground(UIManager.getColor("TableHeader.background"));
corner.setBorder (UIManager.getBorder("TableHeader.cellBorder"));
corner.setOpaque(true);
corner.setHorizontalAlignment(JLabel.CENTER);
setCorner(UPPER_LEFT_CORNER, corner);
// make watermark shine through
getViewport().setOpaque(false);
getRowHeader().setOpaque(false);
graphtable.setOpaque(false);
setOpaque(false); // we paint our own background
setBackground(Color.WHITE);
}
//
public GraphList getGraphList() {
return graphtable.getGraphList();
}
/**
* Overridden to also rescale the table columns whenever the layout needs a change
*/
public void doLayout() {
super.doLayout();
graphtable.rescaleColumns();
}
/**
* Adds a watermark to the list.
*/
@Override
protected void paintComponent(Graphics g) {
g.setColor(getBackground());
g.fillRect(0, 0, getWidth(), getHeight());
GraphCellListComponent.WATERMARK_PAINTER.paint(this, g);
super.paintComponent(g);
}
//
private static class TabelHeaderCellRenderer extends GraphListElementRenderer {
//
private final Border noFocusBorder;
public TabelHeaderCellRenderer() {
this.noFocusBorder = UIManager.getBorder("TableHeader.cellBorder");
}
public Component getListCellRendererComponent
(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
if (! cellHasFocus && ! isSelected)
setBorder(BorderFactory.createCompoundBorder(noFocusBorder, BorderFactory.createEmptyBorder(0,0,0,5)));
return this;
}
}
}
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