/*
* Freeplane - mind map editor
* Copyright (C) 2013 Dimitry
*
* This file author is Dimitry
*
* 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, see <http://www.gnu.org/licenses/>.
*/
package org.freeplane.core.ui;
import java.awt.Component;
import java.awt.Container;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionListener;
/**
* @author Dimitry Polivaev
* 01.03.2013
*/
public class MouseInsideListener extends MouseAdapter implements MouseMotionListener{
private boolean mouseInside = false;
private final Component c;
public boolean isMouseInside() {
return mouseInside;
}
public MouseInsideListener(Component c){
this.c = c;
connect();
}
protected void connect() {
recursivelyAddMouseInsideListener(c);
}
@Override
public void mouseEntered(MouseEvent e) {
mouseInside = true;
}
@Override
public void mouseExited(MouseEvent e) {
mouseInside = false; }
@Override
public void mouseMoved(MouseEvent e) {
mouseInside = true;
}
private void recursivelyAddMouseInsideListener(Component c) {
c.addMouseListener(this);
c.addMouseMotionListener((MouseMotionListener) this);
if(c instanceof Container){
Container container = (Container) c;
for(Component childComponent : container.getComponents())
recursivelyAddMouseInsideListener(childComponent);
}
}
private void recursivelyRemoveMouseInsideListener(Component c) {
c.removeMouseListener(this);
c.removeMouseMotionListener((MouseMotionListener) this);
if(c instanceof Container){
Container container = (Container) c;
for(Component childComponent : container.getComponents())
recursivelyRemoveMouseInsideListener(childComponent);
}
}
public void disconnect() {
recursivelyRemoveMouseInsideListener(c);
}
}