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/*
* This file is part of THESIAS
* Copyright (C) 2004-2020 David-Alexandre Trégouët, Valérie Garelle
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
import java.awt.*;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
import java.awt.datatransfer.*;
import java.util.*;
import javax.swing.JDialog;
import java.io.*;
import javax.swing.JMenuBar;
import javax.swing.JMenu;
import javax.swing.JMenuItem;
public class ColumnHeaderListener extends MouseAdapter {
public void mouseClicked(MouseEvent evt) {
JTable table = ((JTableHeader)evt.getSource()).getTable();
TableColumnModel colModel = table.getColumnModel();
// The index of the column whose header was clicked
int vColIndex = colModel.getColumnIndexAtX(evt.getX());
int mColIndex = table.convertColumnIndexToModel(vColIndex);
TableColumn tm = table.getColumnModel().getColumn(0);
tm.setCellRenderer(new ColorColumnRenderer(Color.lightGray, Color.blue));
// Return if not clicked on any column header
if (vColIndex == -1) {
return;
}
// Determine if mouse was clicked between column heads
Rectangle headerRect = table.getTableHeader().getHeaderRect(vColIndex);
if (vColIndex == 0) {
headerRect.width -= 3;
} else {
headerRect.grow(-3, 0);
}
if (!headerRect.contains(evt.getX(), evt.getY())) {
int vLeftColIndex = vColIndex;
if (evt.getX() < headerRect.x) {
vLeftColIndex--;
}
}
}
}
class ColorColumnRenderer extends DefaultTableCellRenderer
{
Color bkgndColor, fgndColor;
public ColorColumnRenderer(Color bkgnd, Color foregnd) {
super();
bkgndColor = bkgnd;
fgndColor = foregnd;
}
public Component getTableCellRendererComponent
(JTable table, Object value, boolean isSelected,
boolean hasFocus, int row, int column)
{
Component cell = super.getTableCellRendererComponent( table, value, isSelected,
hasFocus, row, column);
cell.setBackground( bkgndColor );
cell.setForeground( fgndColor );
return cell;
}
}
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