Current File : /home/tjamichg/cursos.tjamich.gob.mx/plugin/jcapture/src/com/hammurapi/jcapture/ImageToolTip.java
/*
* This file is an adapted example from javareference.com
* for more information visit,
* http://www.javareference.com
*/
package com.hammurapi.jcapture;
import java.awt.Dimension;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.Image;
import javax.swing.JComponent;
import javax.swing.JToolTip;
import javax.swing.SwingUtilities;
import javax.swing.plaf.metal.MetalToolTipUI;
/**
* This class extends JToolTip and set the UI to ImageToolTipUI.
*
* @author Rahul Sapkal(rahul@javareference.com)
*/
public class ImageToolTip extends JToolTip {
/**
* This class extends MetalToolTipUI and provides customizes it to draw a
* given image on it.
*
* @author Rahul Sapkal(rahul@javareference.com)
*/
private class ImageToolTipUI extends MetalToolTipUI {
private Image m_image;
public ImageToolTipUI(Image image) {
m_image = image;
}
/**
* This method is overriden from the MetalToolTipUI to draw the given
* image and text
*/
public void paint(Graphics g, JComponent c) {
FontMetrics metrics = c.getFontMetrics(g.getFont());
g.setColor(c.getForeground());
g.drawString(((ImageToolTip) c).text, 3, 15);
g.drawImage(m_image, 3, metrics.getHeight() + 3, c);
}
/**
* This method is overriden from the MetalToolTipUI to return the
* appropiate preferred size to size the ToolTip to show both the text
* and image.
*/
public Dimension getPreferredSize(JComponent c) {
FontMetrics metrics = c.getFontMetrics(c.getFont());
String tipText = ((JToolTip) c).getTipText();
if (tipText == null) {
tipText = "";
}
int width = SwingUtilities.computeStringWidth(metrics, tipText);
int height = metrics.getHeight() + m_image.getHeight(c) + 6;
if (width < m_image.getWidth(c)) {
width = m_image.getWidth(c);
}
return new Dimension(width, height);
}
}
private String text;
public ImageToolTip(String text, Image image) {
this.text = text;
setUI(new ImageToolTipUI(image));
}
}
Mini Shell