org.jdesktop.swingx.plaf.basic.BasicLoginPaneUI Maven / Gradle / Ivy
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/*
* $Id: BasicLoginPaneUI.java 4082 2011-11-15 18:39:43Z kschaefe $
*
* Copyright 2004 Sun Microsystems, Inc., 4150 Network Circle,
* Santa Clara, California 95054, U.S.A. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
package org.jdesktop.swingx.plaf.basic;
import java.awt.Font;
import java.awt.GradientPaint;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.RenderingHints;
import java.awt.geom.GeneralPath;
import java.awt.image.BufferedImage;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import javax.swing.JComponent;
import javax.swing.UIManager;
import javax.swing.plaf.ComponentUI;
import org.jdesktop.swingx.JXLoginPane;
import org.jdesktop.swingx.plaf.LoginPaneUI;
import org.jdesktop.swingx.plaf.UIManagerExt;
import org.jdesktop.swingx.util.GraphicsUtilities;
/**
* Base implementation of the JXLoginPane
UI.
*
* @author rbair
*/
public class BasicLoginPaneUI extends LoginPaneUI {
private class LocaleHandler implements PropertyChangeListener {
/**
* {@inheritDoc}
*/
@Override
public void propertyChange(PropertyChangeEvent evt) {
Object src = evt.getSource();
if (src instanceof JComponent) {
((JComponent) src).updateUI();
}
}
}
private JXLoginPane dlg;
/** Creates a new instance of BasicLoginDialogUI */
public BasicLoginPaneUI(JXLoginPane dlg) {
this.dlg = dlg;
// dlg.addPropertyChangeListener("locale", new LocaleHandler());
}
public static ComponentUI createUI(JComponent c) {
return new BasicLoginPaneUI((JXLoginPane)c);
}
@Override
public void installUI(JComponent c) {
installDefaults();
}
protected void installDefaults() {
String s = dlg.getBannerText();
if (s == null || s.equals("")) {
dlg.setBannerText(UIManagerExt.getString("JXLoginPane.bannerString", dlg.getLocale()));
}
s = dlg.getErrorMessage();
if (s == null || s.equals("")) {
dlg.setErrorMessage(UIManagerExt.getString("JXLoginPane.errorMessage", dlg.getLocale()));
}
}
/**
* Creates default 400x60 banner for the login panel.
* @see org.jdesktop.swingx.plaf.LoginPaneUI#getBanner()
*/
@Override
public Image getBanner() {
int w = 400;
int h = 60;
float loginStringX = w * .05f;
float loginStringY = h * .75f;
BufferedImage img = GraphicsUtilities.createCompatibleImage(w, h);
Graphics2D g2 = img.createGraphics();
try {
Font font = UIManager.getFont("JXLoginPane.bannerFont");
g2.setFont(font);
Graphics2D originalGraphics = g2;
try {
if (!dlg.getComponentOrientation().isLeftToRight()) {
originalGraphics = (Graphics2D) g2.create();
g2.scale(-1, 1);
g2.translate(-w, 0);
loginStringX = w
- (((float) font.getStringBounds(
dlg.getBannerText(),
originalGraphics.getFontRenderContext())
.getWidth()) + w * .05f);
}
g2.setRenderingHint(RenderingHints.KEY_RENDERING,
RenderingHints.VALUE_RENDER_QUALITY);
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
g2.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
g2.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS,
RenderingHints.VALUE_FRACTIONALMETRICS_ON);
// draw a big square
g2.setColor(UIManager
.getColor("JXLoginPane.bannerDarkBackground"));
g2.fillRect(0, 0, w, h);
// create the curve shape
GeneralPath curveShape = new GeneralPath(
GeneralPath.WIND_NON_ZERO);
curveShape.moveTo(0, h * .6f);
curveShape.curveTo(w * .167f, h * 1.2f, w * .667f, h * -.5f, w,
h * .75f);
curveShape.lineTo(w, h);
curveShape.lineTo(0, h);
curveShape.lineTo(0, h * .8f);
curveShape.closePath();
// draw into the buffer a gradient (bottom to top), and the text
// "Login"
GradientPaint gp = new GradientPaint(0, h, UIManager
.getColor("JXLoginPane.bannerDarkBackground"), 0, 0,
UIManager.getColor("JXLoginPane.bannerLightBackground"));
g2.setPaint(gp);
g2.fill(curveShape);
originalGraphics.setColor(UIManager
.getColor("JXLoginPane.bannerForeground"));
originalGraphics.drawString(dlg.getBannerText(), loginStringX,
loginStringY);
} finally {
originalGraphics.dispose();
}
} finally {
g2.dispose();
}
return img;
}
}