/*
* Open Source Physics software is free software as described near the bottom of this code file.
*
* For additional information and documentation on Open Source Physics please see:
* <http://www.opensourcephysics.org/>
*/
package org.opensourcephysics.display;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.io.IOException;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTextPane;
import javax.swing.event.HyperlinkEvent;
import javax.swing.event.HyperlinkListener;
import org.opensourcephysics.controls.OSPLog;
import org.opensourcephysics.tools.Resource;
import org.opensourcephysics.tools.ResourceLoader;
public class TextFrame extends JFrame {
HyperlinkListener hyperlinkListener;
JTextPane textPane = new JTextPane() {
public void paintComponent(Graphics g) {
if(OSPRuntime.antiAliasText) {
Graphics2D g2 = (Graphics2D) g;
RenderingHints rh = g2.getRenderingHints();
rh.put(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
rh.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
}
super.paintComponent(g);
}
};
JScrollPane textScroller;
/**
* Constructs an empty TextFrame.
*/
public TextFrame() {
this(null, null);
}
/**
* Constructs the TextFrame with the given html resource.
*
* @param resourceName String
*/
public TextFrame(String resourceName) {
this(resourceName, null);
}
/**
* Constructs the HTMLFrame with the given html resource at the given location.
* The location is relative to the given class.
*
* @param resourceName String
* @param location
*/
public TextFrame(String resourceName, Class<?> location) {
setSize(300, 300);
textPane.setEditable(false);
textScroller = new JScrollPane(textPane);
setContentPane(textScroller);
if(resourceName!=null) {
loadResource(resourceName, location);
}
}
public JTextPane getTextPane() {
return textPane;
}
/**
* Enables hyperlinks. Hyperlink anchors load in the text pane.
*/
public void enableHyperlinks() {
if(hyperlinkListener!=null) { // remove old listener
textPane.removeHyperlinkListener(hyperlinkListener);
}
hyperlinkListener = new HyperlinkListener() {
public void hyperlinkUpdate(HyperlinkEvent e) {
if(e.getEventType()==HyperlinkEvent.EventType.ACTIVATED) {
try {
textPane.setPage(e.getURL());
} catch(IOException ex) {}
}
}
};
textPane.addHyperlinkListener(hyperlinkListener);
}
/**
* Enables hyperlinks. Hyperlink anchors load in the native browser.
*/
public void enableDesktopHyperlinks() {
if(hyperlinkListener!=null) { // remove old listener
textPane.removeHyperlinkListener(hyperlinkListener);
}
hyperlinkListener = new HyperlinkListener() {
public void hyperlinkUpdate(HyperlinkEvent e) {
if(e.getEventType()==HyperlinkEvent.EventType.ACTIVATED) {
try {
if(!org.opensourcephysics.desktop.OSPDesktop.browse(e.getURL().toURI())) {
// try the old way
org.opensourcephysics.desktop.ostermiller.Browser.init();
org.opensourcephysics.desktop.ostermiller.Browser.displayURL(e.getURL().toString());
}
} catch(Exception e1) {}
}
}
};
textPane.addHyperlinkListener(hyperlinkListener);
}
/**
* Enables hyperlinks. Hyperlink anchors load in the native browser.
*/
public void disableHyperlinks() {
if(hyperlinkListener!=null) { // remove old listener
textPane.removeHyperlinkListener(hyperlinkListener);
}
hyperlinkListener = null;
}
public boolean loadResource(String resourceName, Class<?> location) {
Resource res = null;
try {
res = ResourceLoader.getResource(resourceName, location);
} catch(Exception ex) {
OSPLog.fine("Error getting resource: "+resourceName); //$NON-NLS-1$
return false;
}
if(res==null) {
OSPLog.fine("Resource not found: "+resourceName); //$NON-NLS-1$
return false;
}
try {
textPane.setPage(res.getURL());
} catch(IOException ex) {
OSPLog.fine("Resource not loadeded: "+resourceName); //$NON-NLS-1$
return false;
}
setTitle(resourceName);
return true;
}
}
/*
* Open Source Physics software is free software; you can redistribute
* it and/or modify it under the terms of the GNU General Public License (GPL) as
* published by the Free Software Foundation; either version 2 of the License,
* or(at your option) any later version.
* Code that uses any portion of the code in the org.opensourcephysics package
* or any subpackage (subdirectory) of this package must must also be be released
* under the GNU GPL license.
*
* This software 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; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston MA 02111-1307 USA
* or view the license online at http://www.gnu.org/copyleft/gpl.html
*
* Copyright (c) 2007 The Open Source Physics project
* http://www.opensourcephysics.org
*/