/*
* org.openmicroscopy.shoola.util.ui.MultilineHeaderSelectionRenderer
*
*------------------------------------------------------------------------------
* Copyright (C) 2006-2011 University of Dundee. All rights reserved.
*
*
* 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.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*------------------------------------------------------------------------------
*/
package org.openmicroscopy.shoola.util.ui;
//Java imports
import java.awt.Color;
import java.awt.Component;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.io.BufferedReader;
import java.io.StringReader;
import java.util.Vector;
import javax.swing.BoxLayout;
import javax.swing.JCheckBox;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.JTable;
import javax.swing.ListCellRenderer;
import javax.swing.UIManager;
import javax.swing.table.JTableHeader;
import javax.swing.table.TableCellRenderer;
import javax.swing.table.TableColumnModel;
//Application-internal dependencies
/**
* Displays the header with text displayed over several and add a selection box.
*
* @author Jean-Marie Burel
* <a href="mailto:j.burel@dundee.ac.uk">j.burel@dundee.ac.uk</a>
* @author Donald MacDonald
* <a href="mailto:donald@lifesci.dundee.ac.uk">donald@lifesci.dundee.ac.uk</a>
* @version 3.0
* <small>
* (<b>Internal version:</b> $Revision: $Date: $)
* </small>
* @since 3.0-Beta4
*/
public class MultilineHeaderSelectionRenderer
extends JPanel
implements TableCellRenderer
{
/** The list displaying the text. */
private JList list;
/** The check box if any. */
private JCheckBox box;
/** Flag indicating that the mouse has been pressed. */
private boolean mousePressed;
/** The selected column. */
private int column;
/** Flag indicating that the listeners have been installed. */
private boolean initListener;
/** The table of reference if set. */
private JTable table;
/**
* Handles the mouse clicked event.
*
* @param event The event to handle.
*/
private void handleClickEvent(MouseEvent event)
{
if (!mousePressed) return;
mousePressed = false;
JTableHeader header = (JTableHeader) (event.getSource());
if (header == null) return;
if (table == null) table = header.getTable();
if (table == null) return;
TableColumnModel columnModel = table.getColumnModel();
int vc = columnModel.getColumnIndexAtX(event.getX());
int c = table.convertColumnIndexToModel(vc);
if (vc == this.column && event.getClickCount() == 1 && c != -1)
box.doClick();
header.repaint();
}
/**
* Creates a new instance.
*
* @param table The table of reference if set.
* @param box The check box to handle.
*/
public MultilineHeaderSelectionRenderer(JTable table, JCheckBox box)
{
this.table = table;
setOpaque(true);
setForeground(UIManager.getColor("TableHeader.foreground"));
JLabel l = new JLabel();
l.setOpaque(true);
setBackground(l.getBackground());
setBorder(UIManager.getBorder("TableHeader.cellBorder"));
list = new JList();
ListCellRenderer renderer = list.getCellRenderer();
((JLabel) renderer).setHorizontalAlignment(JLabel.CENTER);
list.setCellRenderer(renderer);
list.setBackground(l.getBackground());
setLayout(new BoxLayout(this, BoxLayout.X_AXIS));
add(list);
this.box = box;
if (box != null) {
box.setBackground(l.getBackground());
add(box);
}
}
/**
* Creates a new instance.
*
* @param box The check box to handle.
*/
public MultilineHeaderSelectionRenderer(JCheckBox box)
{
this(null, box);
}
/** Creates a new instance. */
public MultilineHeaderSelectionRenderer()
{
this(null, null);
}
/**
* Adds listener and format the text of the table header.
* @see TableCellRenderer#getTableCellRendererComponent(JTable, Object,
* boolean, boolean, int, int)
*/
public Component getTableCellRendererComponent(JTable t, Object value,
boolean isSelected, boolean hasFocus, int row, int column)
{
if (table == null) table = t;
if (table != null && !initListener && box != null) {
JTableHeader header = table.getTableHeader();
if (header != null) {
initListener = true;
header.addMouseListener(new MouseAdapter() {
public void mouseClicked(MouseEvent e) {
handleClickEvent(e);
}
public void mousePressed(MouseEvent e) {
mousePressed = true;
}
});
}
}
this.column = column;
if (table != null) setFont(table.getFont());
String str = (value == null) ? "" : value.toString();
BufferedReader br = new BufferedReader(new StringReader(str));
String line;
Vector<String> v = new Vector<String>();
try {
while ((line = br.readLine()) != null)
v.addElement(line);
} catch (Exception ex) {}
list.setListData(v);
return this;
}
}