?? acceleratortooltipui.java
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/* * AcceleratorToolTipUI.java * * Copyright (C) 2002, 2003, 2004, 2005, 2006 Takis Diakoumis * * 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 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * */package org.underworldlabs.swing.plaf.base;import java.awt.Dimension;import java.awt.Font;import java.awt.FontMetrics;import java.awt.Graphics;import java.awt.Insets;import java.awt.Rectangle;import java.awt.event.KeyEvent;import javax.swing.AbstractButton;import javax.swing.Action;import javax.swing.JComponent;import javax.swing.JToolTip;import javax.swing.KeyStroke;import javax.swing.plaf.basic.BasicToolTipUI;import org.underworldlabs.Constants;import org.underworldlabs.util.MiscUtils;/* ---------------------------------------------------------- * CVS NOTE: Changes to the CVS repository prior to the * release of version 3.0.0beta1 has meant a * resetting of CVS revision numbers. * ---------------------------------------------------------- *//** * * @author Takis Diakoumis * @version $Revision: 1.4 $ * @date $Date: 2006/05/14 06:56:07 $ */public class AcceleratorToolTipUI extends BasicToolTipUI { private static String delimiter = "+"; public AcceleratorToolTipUI() { super(); } public void paint(Graphics g, JComponent c) { Font font = c.getFont(); FontMetrics metrics = c.getFontMetrics(font); Dimension size = c.getSize(); if (c.isOpaque()) { g.setColor(c.getBackground()); g.fillRect(0, 0, size.width + 20, size.height); } g.setColor(c.getForeground()); g.setFont(font); JToolTip tip = (JToolTip)c; String keyText = getAccelerator(tip); if (!MiscUtils.isNull(keyText)) { Insets insets = c.getInsets(); Rectangle paintTextR = new Rectangle( insets.left, insets.top, size.width - (insets.left + insets.right), size.height - (insets.top + insets.bottom)); g.drawString(keyText, paintTextR.x + 3, paintTextR.y + metrics.getAscent()); } } public Dimension getPreferredSize(JComponent c) { Dimension d = super.getPreferredSize(c); JToolTip tip = (JToolTip)c; String keyText = getAccelerator(tip); if (!MiscUtils.isNull(keyText)) { Font font = c.getFont(); FontMetrics fm = c.getFontMetrics(font); d.width = fm.stringWidth(keyText) + 8; } return d; } private String getAccelerator(JToolTip tip) { String text = tip.getTipText(); if (text == null) { text = Constants.EMPTY; } Action action = ((AbstractButton)tip.getComponent()).getAction(); if (action != null) { String modText = null; KeyStroke keyStroke = (KeyStroke)action.getValue( Action.ACCELERATOR_KEY); if (keyStroke != null) { int mod = keyStroke.getModifiers(); modText = KeyEvent.getKeyModifiersText(mod); if (!MiscUtils.isNull(modText)) { modText += delimiter; } String keyText = KeyEvent.getKeyText(keyStroke.getKeyCode()); if (!MiscUtils.isNull(keyText)) { modText += keyText; } } if (!MiscUtils.isNull(modText)) { text = text + " (" + modText + ")"; } } return text; }}
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