Beispiel #1
0
  public void setData(String text) {
    if (text != null && text.length() > 0) {
      InputStream in = null;
      try {
        Object result = null;
        Drawing drawing = createDrawing();
        // Try to read the data using all known input formats.
        for (InputFormat fmt : drawing.getInputFormats()) {
          try {
            fmt.read(in, drawing);
            in = new ByteArrayInputStream(text.getBytes("UTF8"));
            result = drawing;
            break;
          } catch (IOException e) {
            result = e;
          }
        }
        if (result instanceof IOException) {
          throw (IOException) result;
        }

        setDrawing(drawing);
      } catch (Throwable e) {
        getDrawing().removeAllChildren();
        SVGTextFigure tf = new SVGTextFigure();
        tf.setText(e.getMessage());
        tf.setBounds(new Point2D.Double(10, 10), new Point2D.Double(100, 100));
        getDrawing().add(tf);
        e.printStackTrace();
      } finally {
        if (in != null) {
          try {
            in.close();
          } catch (IOException ex) {
            ex.printStackTrace();
          }
        }
      }
    }
  }
Beispiel #2
0
  /** 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();
  }