/** Initializes the applet SVGApplet */
public void init() {
// Set look and feel
// -----------------
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
} catch (Throwable e) {
// Do nothing.
// If we can't set the desired look and feel, UIManager does
// automaticaly the right thing for us.
}
// Display copyright info while we are loading the data
// ----------------------------------------------------
Container c = getContentPane();
c.setLayout(new BoxLayout(c, BoxLayout.Y_AXIS));
String[] labels = getAppletInfo().split("\n"); // Strings.split(getAppletInfo(), '\n');
for (int i = 0; i < labels.length; i++) {
c.add(new JLabel((labels[i].length() == 0) ? " " : labels[i]));
}
// We load the data using a worker thread
// --------------------------------------
new Worker() {
public Object construct() {
Object result = null;
InputStream in = null;
try {
// Try to read the data using all known input formats.
Drawing drawing = createDrawing();
for (InputFormat fmt : drawing.getInputFormats()) {
try {
if (getParameter("data") != null) {
in = new ByteArrayInputStream(getParameter("data").getBytes("UTF8"));
} else if (getParameter("datafile") != null) {
URL url = new URL(getDocumentBase(), getParameter("datafile"));
in = url.openConnection().getInputStream();
}
if (in != null) {
fmt.read(in, drawing);
result = drawing;
break;
}
} catch (IOException e) {
result = e;
}
}
} catch (Throwable t) {
result = t;
} finally {
if (in != null) {
try {
in.close();
} catch (IOException ex) {
// ignore
}
}
}
return result;
}
public void finished(Object result) {
if (result instanceof Throwable) {
((Throwable) result).printStackTrace();
}
Container c = getContentPane();
c.setLayout(new BorderLayout());
c.removeAll();
c.add(drawingPanel = new SVGDrawingPanel());
initComponents();
if (result != null) {
if (result instanceof Drawing) {
setDrawing((Drawing) result);
} else if (result instanceof Throwable) {
getDrawing().add(new SVGTextFigure(result.toString()));
((Throwable) result).printStackTrace();
}
}
c.validate();
}
}.start();
}
/**
* Displays a progress indicator and then invokes <code>loadDrawing</code> on a worker thread.
* Displays the drawing panel when done successfully. Displays an error message when done
* unsuccessfully.
*
* @see #loadDrawing
*/
@Override
public final void init() {
// set the language of the applet
if (getParameter("Locale") != null) {
Locale.setDefault(new Locale(getParameter("Locale")));
}
final ResourceBundleUtil labels =
ResourceBundleUtil.getBundle("org.jhotdraw.samples.svg.Labels");
// Set look and feel
// -----------------
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
} catch (Throwable e) {
// Do nothing.
// If we can't set the desired look and feel, UIManager does
// automaticaly the right thing for us.
}
// Set our own popup factory, because the one that comes with Mac OS X
// creates translucent popups which is not useful for color selection
// using pop menus.
try {
PopupFactory.setSharedInstance(new PopupFactory());
} catch (Throwable e) {
// If we can't set the popup factory, we have to use what is there.
}
// Display a progress indicator while we are loading the drawing
// ----------------------------------------------------------
Container c = getContentPane();
final ProgressIndicator progress =
new ProgressIndicator(getName(), labels.getString("progressInitializing"));
c.add(progress);
progress.revalidate();
// Load the drawing using a worker thread
// --------------------------------------
new Worker<Drawing>() {
@Override
protected Drawing construct() throws Exception {
Thread t =
new Thread() {
@Override
public void run() {
try {
drawingComponent = createDrawingComponent();
} catch (Throwable t) {
t.printStackTrace();
}
}
};
t.start();
try {
progress.setNote(labels.getString("progressLoading"));
Drawing drawing = loadDrawing(progress);
progress.setNote(labels.getString("progressOpeningEditor"));
progress.setIndeterminate(true);
return drawing;
} finally {
t.join();
}
}
@Override
protected void done(Drawing result) {
Container c = getContentPane();
c.removeAll();
c.setLayout(new BorderLayout());
c.add(drawingComponent.getComponent());
initComponents();
if (result != null) {
setDrawing(result);
}
drawingComponent.revalidate();
((JComponent) c).revalidate();
}
@Override
protected void failed(Throwable error) {
Drawing d = createDrawing();
String message = (error.getMessage() == null) ? error.toString() : error.getMessage();
SVGTextAreaFigure txt =
new SVGTextAreaFigure(
labels.getFormatted("messageLoadFailed", getParameter("DrawingURL"), message));
txt.setBounds(new Point2D.Double(0, 0), new Point2D.Double(getWidth(), getHeight()));
d.add(txt);
done(d);
/*
Container c = getContentPane();
c.setLayout(new BorderLayout());
c.removeAll();
Throwable error = result;
error.printStackTrace();
String message = (error.getMessage() == null) ? error.toString() : error.getMessage();
MessagePanel mp = new MessagePanel(
UIManager.getIcon("OptionPane.errorIcon"),
labels.getFormatted("messageLoadFailed", htmlencode(getParameter("DrawingURL")), htmlencode(message)));
c.add(mp);
mp.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent evt) {
if ("close".equals(evt.getActionCommand())) {
close();
}
}
});
mp.revalidate();
*/
}
@Override
protected void finished() {
long end = System.currentTimeMillis();
System.out.println("AbstractDrawingApplet startup latency:" + (end - start));
}
}.start();
}