jhelptabbedpane.java

一个数据挖掘软件ALPHAMINERR的整个过程的JAVA版源代码

/*
 *    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., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

/*
 * Created on 2005/7/27
 *
 * TODO To change the template for this generated file go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
package eti.bi.alphaminer.jhelpcomponent;

import java.awt.Cursor;
import java.awt.event.MouseListener;
import java.awt.event.MouseEvent;

import javax.swing.JTabbedPane;

import eti.bi.alphaminer.core.observer.HelpObserver;
import eti.bi.alphaminer.core.observer.HelpObserveSubject;

/**
 * @author tyleung
 *
 * TODO To change the template for this generated type comment go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
public class JHelpTabbedPane extends JTabbedPane implements 
HelpObserver, 
MouseListener {

/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
private boolean m_HelpState;

public JHelpTabbedPane() {
    setHelpState(false);
    addMouseListener(this);
    HelpObserveSubject.registerInterest(this);
}

public void Update(boolean a_HelpState) {
    setHelpMode(a_HelpState);
}

private void setHelpMode(boolean a_HelpState) {
    HelpCursor helpCursor = new HelpCursor();
    
    if ( a_HelpState )
        getParent().setCursor(helpCursor.getCursor());
    else
        getParent().setCursor(
                Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
    
    setHelpState(a_HelpState);
}

private void setHelpState(boolean a_HelpState) {
    m_HelpState = a_HelpState;
}

private boolean isHelpMode() {
    return m_HelpState;
}

/**
 * @see java.awt.event.MouseListener#mouseEntered(MouseEvent)
 */
public void mouseEntered(MouseEvent e) {
}

/**
 * @see java.awt.event.MouseListener#mouseExited(MouseEvent)
 */
public void mouseExited(MouseEvent e) {
}

/**
 * @see java.awt.event.MouseListener#mousePressed(MouseEvent)
 */
public void mousePressed(MouseEvent e) {
    if ( isHelpMode() ) {
        setHelpMode(false);
        HelpObserveSubject.sendNotify(false);
    }
}

/**
 * @see java.awt.event.MouseListener#mouseReleased(MouseEvent)
 */
public void mouseReleased(MouseEvent e) {
}

/**
 * @see java.awt.event.MouseListener#mouseClicked(MouseEvent)
 */
public void mouseClicked(MouseEvent e) {
}
}