/**
   * The value of <code>get(uidClassID)</code> must be the <code>String</code> name of a class that
   * implements the corresponding <code>ComponentUI</code> class. If the class hasn't been loaded
   * before, this method looks up the class with <code>uiClassLoader.loadClass()</code> if a non
   * <code>null</code> class loader is provided, <code>classForName()</code> otherwise.
   *
   * <p>If a mapping for <code>uiClassID</code> exists or if the specified class can't be found,
   * return <code>null</code>.
   *
   * <p>This method is used by <code>getUI</code>, it's usually not necessary to call it directly.
   *
   * @param uiClassID a string containing the class ID
   * @param uiClassLoader the object which will load the class
   * @return the value of <code>Class.forName(get(uidClassID))</code>
   * @see #getUI
   */
  public Class<? extends ComponentUI> getUIClass(String uiClassID, ClassLoader uiClassLoader) {
    try {
      String className = (String) get(uiClassID);
      if (className != null) {
        ReflectUtil.checkPackageAccess(className);

        Class cls = (Class) get(className);
        if (cls == null) {
          if (uiClassLoader == null) {
            cls = SwingUtilities.loadSystemClass(className);
          } else {
            cls = uiClassLoader.loadClass(className);
          }
          if (cls != null) {
            // Save lookup for future use, as forName is slow.
            put(className, cls);
          }
        }
        return cls;
      }
    } catch (ClassNotFoundException e) {
      return null;
    } catch (ClassCastException e) {
      return null;
    }
    return null;
  }
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  /** Reads the view from the specified uri. */
  @Override
  public void read(URI f, URIChooser chooser) throws IOException {
    try {
      final Drawing drawing = createDrawing();
      InputFormat inputFormat = drawing.getInputFormats().get(0);
      inputFormat.read(f, drawing, true);
      SwingUtilities.invokeAndWait(
          new Runnable() {

            @Override
            public void run() {
              view.getDrawing().removeUndoableEditListener(undo);
              view.setDrawing(drawing);
              view.getDrawing().addUndoableEditListener(undo);
              undo.discardAllEdits();
            }
          });
    } catch (InterruptedException e) {
      InternalError error = new InternalError();
      e.initCause(e);
      throw error;
    } catch (InvocationTargetException e) {
      InternalError error = new InternalError();
      e.initCause(e);
      throw error;
    }
  }
 // For compatibility with writers when talking to the JVM.
 public void write(char[] buffer, int offset, int length) {
   String text = new String(buffer, offset, length);
   SwingUtilities.invokeLater(
       () -> {
         try {
           pane.getDocument().insertString(pane.getDocument().getLength(), text, properties);
         } catch (Exception e) {
         }
       });
 }
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  /** Clears the view. */
  @Override
  public void clear() {
    final Drawing newDrawing = createDrawing();
    try {
      SwingUtilities.invokeAndWait(
          new Runnable() {

            @Override
            public void run() {
              view.getDrawing().removeUndoableEditListener(undo);
              view.setDrawing(newDrawing);
              view.getDrawing().addUndoableEditListener(undo);
              undo.discardAllEdits();
            }
          });
    } catch (InvocationTargetException ex) {
      ex.printStackTrace();
    } catch (InterruptedException ex) {
      ex.printStackTrace();
    }
  }
Exemple #5
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  // Thread's run method aimed at creating a bitmap asynchronously
  public void run() {
    Drawing drawing = new Drawing();
    PicText rawPicText = new PicText();
    String s = ((PicText) element).getText();
    rawPicText.setText(s);
    drawing.add(
        rawPicText); // bug fix: we must add a CLONE of the PicText, otherwise it loses it former
                     // parent... (then pb with the view )
    drawing.setNotparsedCommands(
        "\\newlength{\\jpicwidth}\\settowidth{\\jpicwidth}{"
            + s
            + "}"
            + CR_LF
            + "\\newlength{\\jpicheight}\\settoheight{\\jpicheight}{"
            + s
            + "}"
            + CR_LF
            + "\\newlength{\\jpicdepth}\\settodepth{\\jpicdepth}{"
            + s
            + "}"
            + CR_LF
            + "\\typeout{JPICEDT INFO: \\the\\jpicwidth, \\the\\jpicheight,  \\the\\jpicdepth }"
            + CR_LF);
    RunExternalCommand.Command commandToRun = RunExternalCommand.Command.BITMAP_CREATION;
    // RunExternalCommand command = new RunExternalCommand(drawing, contentType,commandToRun);
    boolean isWriteTmpTeXfile = true;
    String bitmapExt = "png"; // [pending] preferences
    String cmdLine =
        "{i}/unix/tetex/create_bitmap.sh {p} {f} "
            + bitmapExt
            + " "
            + fileDPI; // [pending] preferences
    ContentType contentType = getContainer().getContentType();
    RunExternalCommand.isGUI = false; // System.out, no dialog box // [pending] debug
    RunExternalCommand command =
        new RunExternalCommand(drawing, contentType, cmdLine, isWriteTmpTeXfile);
    command
        .run(); // synchronous in an async. thread => it's ok (anyway, we must way until the LaTeX
                // process has completed)

    if (wantToComputeLatexDimensions) {
      // load size of text:
      try {
        File logFile = new File(command.getTmpPath(), command.getTmpFilePrefix() + ".log");
        BufferedReader reader = null;
        try {
          reader = new BufferedReader(new FileReader(logFile));
        } catch (FileNotFoundException fnfe) {
          System.out.println("Cannot find log file! " + fnfe.getMessage());
          System.out.println(logFile);
        } catch (IOException ioex) {
          System.out.println("Log file IO exception");
          ioex.printStackTrace();
        } // utile ?
        System.out.println("Log file created! file=" + logFile);
        getDimensionsFromLogFile(reader, (PicText) element);
        syncStringLocation(); // update dimensions
        syncBounds();
        syncFrame();
        SwingUtilities.invokeLater(
            new Thread() {
              public void run() {
                repaint(null);
              }
            });
        // repaint(null); // now that dimensions are available, we force a repaint() [pending]
        // smart-repaint ?
      } catch (Exception e) {
        e.printStackTrace();
      }
    }

    if (wantToGetBitMap) {
      // load image:
      try {
        File bitmapFile =
            new File(command.getTmpPath(), command.getTmpFilePrefix() + "." + bitmapExt);
        this.image = ImageIO.read(bitmapFile);
        System.out.println(
            "Bitmap created! file="
                + bitmapFile
                + ", width="
                + image.getWidth()
                + "pixels, height="
                + image.getHeight()
                + "pixels");
        if (image == null) return;
        syncStringLocation(); // sets strx, stry, and dimensions of text
        syncBounds();
        // update the AffineTransform that will be applied to the bitmap before displaying on screen
        PicText te = (PicText) element;
        text2ModelTr.setToIdentity(); // reset
        PicPoint anchor = te.getCtrlPt(TextEditable.P_ANCHOR, ptBuf);
        text2ModelTr.rotate(getRotation(), anchor.x, anchor.y); // rotate along P_ANCHOR !
        text2ModelTr.translate(te.getLeftX(), te.getTopY());
        text2ModelTr.scale(
            te.getWidth() / image.getWidth(),
            -(te.getHeight() + te.getDepth()) / image.getHeight());
        // [pending]  should do something special to avoid dividing by 0 or setting a rescaling
        // factor to 0 [non invertible matrix] (java will throw an exception)
        syncFrame();
        SwingUtilities.invokeLater(
            new Thread() {
              public void run() {
                repaint(null);
              }
            });
        // repaint(null); // now that bitmap is available, we force a repaint() [pending]
        // smart-repaint ?
      } catch (Exception e) {
        e.printStackTrace();
      }
    }
  }