package net.suberic.pooka.gui;
import net.suberic.pooka.*;
import javax.swing.event.*;
import java.util.StringTokenizer;
import net.suberic.util.swing.HyperlinkMouseHandler;
import javax.swing.JTextPane;
import javax.swing.text.*;
/**
* This is a simple class which implements HyperlinkListener.
*/
public class HyperlinkDispatcher implements HyperlinkListener {
ErrorHandler errorHandler = null;
/**
* Default Constructor.
*/
public HyperlinkDispatcher() {
}
/**
* Creates a HyperlinkDispatcher that uses the given ErrorHandler.
*/
public HyperlinkDispatcher(ErrorHandler handler) {
errorHandler = handler;
}
/**
* This handles HyperlinkEvents. For now, we're just taking
* ACTIVATED events, and dispatching the url's to the external
* program indicated by Pooka.urlHandler.
*
* Specified in javax.swing.event.HyperlinkListener.
*/
public void hyperlinkUpdate(HyperlinkEvent e) {
if (e.getEventType() == HyperlinkEvent.EventType.ENTERED) {
if (e.getSource() instanceof HyperlinkMouseHandler.URLSelection) {
HyperlinkMouseHandler.URLSelection selection = (HyperlinkMouseHandler.URLSelection) e.getSource();
if (selection.editor instanceof JTextPane) {
JTextPane pane = (JTextPane) selection.editor;
StyledDocument doc = pane.getStyledDocument();
StyledEditorKit kit = (StyledEditorKit) pane.getEditorKit();
MutableAttributeSet attr = kit.getInputAttributes();
SimpleAttributeSet sas = new SimpleAttributeSet();
StyleConstants.setUnderline(sas, true);
doc.setCharacterAttributes(selection.start, (selection.end - selection.start + 1), sas, false);
}
}
} else if (e.getEventType() == HyperlinkEvent.EventType.EXITED) {
if (e.getSource() instanceof HyperlinkMouseHandler.URLSelection) {
HyperlinkMouseHandler.URLSelection selection = (HyperlinkMouseHandler.URLSelection) e.getSource();
if (selection.editor instanceof JTextPane) {
JTextPane pane = (JTextPane) selection.editor;
StyledDocument doc = pane.getStyledDocument();
StyledEditorKit kit = (StyledEditorKit) pane.getEditorKit();
MutableAttributeSet attr = kit.getInputAttributes();
SimpleAttributeSet sas = new SimpleAttributeSet();
StyleConstants.setUnderline(sas, false);
doc.setCharacterAttributes(selection.start, (selection.end - selection.start + 1), sas, false);
}
}
} else if (e.getEventType() == HyperlinkEvent.EventType.ACTIVATED) {
if (Pooka.getProperty("Pooka.url.useDefaultHandler", "true").equalsIgnoreCase("true")) {
try {
java.awt.Desktop.getDesktop().browse(e.getURL().toURI());
} catch(Exception ex) {
if (errorHandler != null) {
errorHandler.showError(java.text.MessageFormat.format(Pooka.getProperty("error.urlHandler.openingUrl", "Error opening url {0}: "), e.getURL()), ex);
} else {
System.err.println(Pooka.getProperty("error.urlHandler.openingUrl", "Error opening url {0}: " + e.getURL()));
ex.printStackTrace();
}
}
} else {
String parsedVerb = Pooka.getProperty("Pooka.urlHandler", "firefox %s");
if (parsedVerb.indexOf("%s") == -1)
parsedVerb = parsedVerb + " %s";
String[] cmdArray;
parsedVerb = ExternalLauncher.substituteString(parsedVerb, "%s", e.getURL().toString());
StringTokenizer tok = new StringTokenizer(parsedVerb);
cmdArray = new String[tok.countTokens()];
for (int i = 0; tok.hasMoreTokens(); i++) {
String currentString = tok.nextToken();
cmdArray[i]=currentString;
}
try {
Runtime.getRuntime().exec(cmdArray);
} catch (java.io.IOException ioe) {
if (errorHandler != null) {
errorHandler.showError(java.text.MessageFormat.format(Pooka.getProperty("error.urlHandler.openingUrl", "Error opening url {0}: "), e.getURL()), ioe);
} else {
System.err.println(Pooka.getProperty("error.urlHandler.openingUrl", "Error opening url {0}: " + e.getURL()));
ioe.printStackTrace();
}
}
}
}
}
}