/*
* RapidMiner
*
* Copyright (C) 2001-2011 by Rapid-I and the contributors
*
* Complete list of developers available at our web site:
*
* http://rapid-i.com
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see http://www.gnu.org/licenses/.
*/
package com.rapidminer.gui.tools.table;
import java.awt.Component;
import java.awt.Point;
import java.awt.event.MouseEvent;
import javax.swing.SwingUtilities;
import javax.swing.event.MouseInputListener;
import javax.swing.plaf.basic.BasicTableHeaderUI;
import javax.swing.table.TableColumnModel;
import com.rapidminer.gui.look.ui.TableHeaderUI;
/**
* This is an component of the {@link EditableHeaderJTable}. It was retrieved from
* http://www.java2s.com/Code/Java/Swing-Components/EditableHeaderTableExample2.htm
*
*
* @author Sebastian Land
*/
class EditableTableHeaderUI extends TableHeaderUI {
@Override
protected MouseInputListener createMouseInputListener() {
return new MouseInputHandler((EditableTableHeader) header);
}
public class MouseInputHandler extends BasicTableHeaderUI.MouseInputHandler {
private Component dispatchComponent;
protected EditableTableHeader header;
public MouseInputHandler(EditableTableHeader header) {
this.header = header;
}
private void setDispatchComponent(MouseEvent e) {
Component editorComponent = header.getEditorComponent();
Point p = e.getPoint();
Point p2 = SwingUtilities.convertPoint(header, p, editorComponent);
dispatchComponent = SwingUtilities.getDeepestComponentAt(editorComponent, p2.x, p2.y);
}
private boolean repostEvent(MouseEvent e) {
if (dispatchComponent == null) {
return false;
}
MouseEvent e2 = SwingUtilities.convertMouseEvent(header, e, dispatchComponent);
dispatchComponent.dispatchEvent(e2);
return true;
}
@Override
public void mousePressed(MouseEvent e) {
if (!SwingUtilities.isLeftMouseButton(e)) {
return;
}
super.mousePressed(e);
if (header.getResizingColumn() == null) {
Point p = e.getPoint();
TableColumnModel columnModel = header.getColumnModel();
int index = columnModel.getColumnIndexAtX(p.x);
if (index != -1) {
if (header.editCellAt(index, e)) {
setDispatchComponent(e);
repostEvent(e);
}
}
}
}
@Override
public void mouseReleased(MouseEvent e) {
super.mouseReleased(e);
if (!SwingUtilities.isLeftMouseButton(e)) {
return;
}
repostEvent(e);
dispatchComponent = null;
}
}
}