net.sourceforge.squirrel_sql.client.gui.VersionPane Maven / Gradle / Ivy
package net.sourceforge.squirrel_sql.client.gui;
/*
* Copyright (C) 2006 Rob Manning
* [email protected]
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
import java.awt.Cursor;
import java.awt.Desktop;
import java.awt.Point;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import javax.swing.JTextPane;
import javax.swing.text.AttributeSet;
import javax.swing.text.DefaultStyledDocument;
import javax.swing.text.Document;
import javax.swing.text.Element;
import javax.swing.text.SimpleAttributeSet;
import javax.swing.text.StyleConstants;
import javax.swing.text.StyledDocument;
import javax.swing.text.html.HTML;
import net.sourceforge.squirrel_sql.client.Version;
import net.sourceforge.squirrel_sql.fw.util.log.ILogger;
import net.sourceforge.squirrel_sql.fw.util.log.LoggerController;
/**
* A class that encapsulates the work of rendering the version and copyright.
* This is used in both the splash screen and the about dialog.
*/
public class VersionPane extends JTextPane implements MouseMotionListener,MouseListener{
private boolean _showWebsite = false;
/** Logger for this class. */
private final static ILogger s_log =
LoggerController.createLogger(VersionPane.class);
/**
* Constructor
* @param showWebsite whether or not to display the website. This is done
* in the about dialog but not in the splash screen.
*/
public VersionPane(boolean showWebsite) {
_showWebsite = showWebsite;
init();
}
/**
* Renders the content.
*/
private void init() {
String content = getContent();
setContentType("text/html");
StyledDocument doc = getStyledDocument();
SimpleAttributeSet s = new SimpleAttributeSet();
StyleConstants.setAlignment(s, StyleConstants.ALIGN_CENTER);
StyleConstants.setBold(s, true);
try {
doc.setParagraphAttributes(0,content.length(), s, false);
doc.insertString(0, content, s);
if (_showWebsite) {
String webContent = Version.getWebSite();
SimpleAttributeSet w = new SimpleAttributeSet();
StyleConstants.setAlignment(w, StyleConstants.ALIGN_CENTER);
StyleConstants.setUnderline(w, true);
SimpleAttributeSet hrefAttr = new SimpleAttributeSet();
hrefAttr.addAttribute(HTML.Attribute.HREF, Version.getWebSite());
w.addAttribute(HTML.Tag.A, hrefAttr);
doc.setParagraphAttributes(content.length(),webContent.length(), w, false);
doc.insertString(content.length(), webContent, w);
if (Desktop.isDesktopSupported()){
addMouseListener(this);
addMouseMotionListener(this);
}
}
} catch (Exception e) {
s_log.error("init: Unexpected exception "+e.getMessage());
}
setOpaque(false);
}
/**
* Constructs the text that gets rendered.
*
* @return version and copyright info ( and possibly website url )
*/
private String getContent() {
StringBuffer text = new StringBuffer();
text.append(Version.getVersion());
text.append("\n");
text.append(Version.getCopyrightStatement());
if (_showWebsite) {
text.append("\n");
if (!Desktop.isDesktopSupported()) {
text.append(Version.getWebSite());
}
}
return text.toString();
}
public void mouseMoved(MouseEvent ev) {
JTextPane editor = (JTextPane) ev.getSource();
editor.setEditable(false);
Point pt = new Point(ev.getX(), ev.getY());
int pos = editor.viewToModel(pt);
if (pos >= 0) {
Document eDoc = editor.getDocument();
if (eDoc instanceof DefaultStyledDocument) {
DefaultStyledDocument hdoc =
(DefaultStyledDocument) eDoc;
Element e = hdoc.getCharacterElement(pos);
AttributeSet a = e.getAttributes();
AttributeSet tagA = (AttributeSet) a.getAttribute(HTML.Tag.A);
String href = null;
if (tagA!=null){
href = (String)tagA.getAttribute(HTML.Attribute.HREF);
}
if (href != null) {
editor.setToolTipText(href);
if (editor.getCursor().getType() != Cursor.HAND_CURSOR) {
editor.setCursor(new Cursor(Cursor.HAND_CURSOR));
}
}
else {
editor.setToolTipText(null);
if (editor.getCursor().getType() != Cursor.DEFAULT_CURSOR) {
editor.setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
}
}
}
}
else {
editor.setToolTipText(null);
}
}
public void mouseClicked(MouseEvent ev) {
JTextPane editor = (JTextPane) ev.getSource();
editor.setEditable(false);
Point pt = new Point(ev.getX(), ev.getY());
int pos = editor.viewToModel(pt);
if (pos >= 0) {
Document eDoc = editor.getDocument();
if (eDoc instanceof DefaultStyledDocument) {
DefaultStyledDocument hdoc =
(DefaultStyledDocument) eDoc;
Element e = hdoc.getCharacterElement(pos);
AttributeSet a = e.getAttributes();
AttributeSet tagA = (AttributeSet) a.getAttribute(HTML.Tag.A);
String href = null;
if (tagA!=null){
href = (String)tagA.getAttribute(HTML.Attribute.HREF);
}
if (href != null) {
Desktop desktop = Desktop.getDesktop();
try {
desktop.browse(new URI(href));
} catch (IOException e1) {
s_log.error("mouseClicked: Unexpected exception "+e1.getMessage());
} catch (URISyntaxException e1) {
s_log.error("mouseClicked: Unexpected exception "+e1.getMessage());
}
}
}
}
}
@SuppressWarnings("all")
public void mouseEntered(MouseEvent arg0) {
}
@SuppressWarnings("all")
public void mouseExited(MouseEvent arg0) {
}
@SuppressWarnings("all")
public void mousePressed(MouseEvent arg0) {
}
@SuppressWarnings("all")
public void mouseReleased(MouseEvent arg0) {
}
@SuppressWarnings("all")
public void mouseDragged(MouseEvent arg0) {
}
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