/**
* Copyright (C) 2001-2017 by RapidMiner and the contributors
*
* Complete list of developers available at our web site:
*
* http://rapidminer.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;
import java.awt.EventQueue;
import java.awt.event.ActionEvent;
import javax.swing.Action;
import javax.swing.JComponent;
import javax.swing.JSlider;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
/**
* This class handles the tool tips for JSliders.
*
* @author Santhosh Kumar, Ingo Mierswa
*/
public class ExtendedJSliderToolTips {
public static void enableSliderToolTips(final JSlider slider) {
slider.addChangeListener(new ChangeListener() {
private boolean adjusting = false;
private String oldTooltip;
@Override
public void stateChanged(ChangeEvent e) {
if (slider.getModel().getValueIsAdjusting()) {
if (!adjusting) {
oldTooltip = slider.getToolTipText();
adjusting = true;
}
slider.setToolTipText(String.valueOf(slider.getValue()));
hideToolTip(slider);
postToolTip(slider);
} else {
hideToolTip(slider);
slider.setToolTipText(oldTooltip);
adjusting = false;
oldTooltip = null;
}
}
});
}
public static void postToolTip(JComponent comp) {
Action action = comp.getActionMap().get("postTip");
if (action == null) {
return;
}
ActionEvent ae = new ActionEvent(comp, ActionEvent.ACTION_PERFORMED, "postTip", EventQueue.getMostRecentEventTime(),
0);
action.actionPerformed(ae);
}
public static void hideToolTip(JComponent comp) {
Action action = comp.getActionMap().get("hideTip");
if (action == null) {
return;
}
ActionEvent ae = new ActionEvent(comp, ActionEvent.ACTION_PERFORMED, "hideTip", EventQueue.getMostRecentEventTime(),
0);
action.actionPerformed(ae);
}
}