Ejemplo n.º 1
0
 /**
  * Determines the preferred span for this view along an axis.
  *
  * @param axis may be either View.X_AXIS or View.Y_AXIS
  * @return the span the view would like to be rendered into >= 0. Typically the view is told to
  *     render into the span that is returned, although there is no guarantee. The parent may
  *     choose to resize or break the view.
  */
 public float getPreferredSpan(int axis) {
   switch (axis) {
     case View.X_AXIS:
       Segment buff = SegmentCache.getSharedSegment();
       Document doc = getDocument();
       int width;
       try {
         FontMetrics fm = getFontMetrics();
         doc.getText(0, doc.getLength(), buff);
         width = Utilities.getTabbedTextWidth(buff, fm, 0, this, 0);
         if (buff.count > 0) {
           Component c = getContainer();
           firstLineOffset =
               sun.swing.SwingUtilities2.getLeftSideBearing(
                   (c instanceof JComponent) ? (JComponent) c : null, fm, buff.array[buff.offset]);
           firstLineOffset = Math.max(0, -firstLineOffset);
         } else {
           firstLineOffset = 0;
         }
       } catch (BadLocationException bl) {
         width = 0;
       }
       SegmentCache.releaseSharedSegment(buff);
       return width + firstLineOffset;
     default:
       return super.getPreferredSpan(axis);
   }
 }
Ejemplo n.º 2
0
 /**
  * Makes a <code>Segment</code> point to the text in our document between the given positions.
  * Note that the positions MUST be valid positions in the document.
  *
  * @param p0 The first position in the document.
  * @param p1 The second position in the document.
  * @param document The document from which you want to get the text.
  * @param seg The segment in which to load the text.
  */
 private void setSegment(int p0, int p1, Document document, Segment seg) {
   try {
     // System.err.println("... in setSharedSegment, p0/p1==" + p0 + "/" + p1);
     document.getText(p0, p1 - p0, seg);
     // System.err.println("... in setSharedSegment: s=='" + s + "'; line/numLines==" + line + "/"
     // + numLines);
   } catch (BadLocationException ble) { // Never happens
     ble.printStackTrace();
   }
 }
Ejemplo n.º 3
0
 public void insertUpdate(DocumentEvent e) {
   Document doc = e.getDocument();
   try {
     prop.set(doc.getText(0, doc.getLength()));
   } catch (BadLocationException b) {
     // Once again, no idea what this is supposed to be.
     // I don't think I like this interface much :-(.
     System.out.println(b);
   }
 }
Ejemplo n.º 4
0
    @Override
    @SuppressWarnings("SleepWhileHoldingLock")
    public void run() {
      try {
        // initialize the statusbar
        status.removeAll();
        JProgressBar progress = new JProgressBar();
        progress.setMinimum(0);
        progress.setMaximum(doc.getLength());
        status.add(progress);
        status.revalidate();

        // start writing
        Writer out = new FileWriter(f);
        Segment text = new Segment();
        text.setPartialReturn(true);
        int charsLeft = doc.getLength();
        int offset = 0;
        while (charsLeft > 0) {
          doc.getText(offset, Math.min(4096, charsLeft), text);
          out.write(text.array, text.offset, text.count);
          charsLeft -= text.count;
          offset += text.count;
          progress.setValue(offset);
          try {
            Thread.sleep(10);
          } catch (InterruptedException e) {
            Logger.getLogger(FileSaver.class.getName()).log(Level.SEVERE, null, e);
          }
        }
        out.flush();
        out.close();
      } catch (IOException e) {
        final String msg = e.getMessage();
        SwingUtilities.invokeLater(
            new Runnable() {

              public void run() {
                JOptionPane.showMessageDialog(
                    getFrame(),
                    "Could not save file: " + msg,
                    "Error saving file",
                    JOptionPane.ERROR_MESSAGE);
              }
            });
      } catch (BadLocationException e) {
        System.err.println(e.getMessage());
      }
      // we are done... get rid of progressbar
      status.removeAll();
      status.revalidate();
    }
 /**
  * This function inserts or replaces the user's input in a string buffer, to create the text
  * which would be on screen if we allowed it. We declare to throw bad location due to
  * doc.getText, but since the paramters are coming from the farmework, that should never
  * happen.... in theory. If insert is true we insert, if false we replace. Length parameter only
  * used when replacing.
  */
 private StringBuffer getTextPrototype(
     boolean insert, FilterBypass fb, int offs, String str, int length)
     throws BadLocationException {
   Document doc = fb.getDocument();
   String text = doc.getText(0, doc.getLength());
   StringBuffer sb = new StringBuffer(text);
   if (insert) {
     sb.insert(offs, str);
   } else {
     sb.replace(offs, offs + length, str);
   }
   return sb;
 } // end of getTextPrototype
Ejemplo n.º 6
0
    private String addWhiteSpace(Document doc, int offset) throws BadLocationException {
      StringBuilder whiteSpace = new StringBuilder("\n");
      Element rootElement = doc.getDefaultRootElement();
      int line = rootElement.getElementIndex(offset);
      int i = rootElement.getElement(line).getStartOffset();

      while (true) {
        String temp = doc.getText(i, 1);

        if (temp.equals(" ") || temp.equals("\t")) {
          whiteSpace.append(temp);
          i++;
        } else break;
      }

      return whiteSpace.toString();
    }
    /**
     * Updates the shared value instance if updateValue is true. Always forces the redraw of
     * everything.
     */
    protected void doValueUpdate(FilterBypass fb) throws BadLocationException {
      Document doc = fb.getDocument();
      String text = doc.getText(0, doc.getLength());
      if (text.isEmpty()) {
        text = "0";
      }

      if (updateValue == true) {
        try {
          Double value = new Double(text);
          double newValue = multiplier.getValueToBeSet(value.doubleValue());
          cValue.setValue(newValue);
        } catch (NumberFormatException e) {
          // do nothing, since we allow '-'
        }
      }
      topContainer.forceRedraw();
    }
 void updateTheLabel(DocumentEvent e) {
   Document doc = (Document) e.getDocument();
   String text = null;
   try {
     text = doc.getText(0, doc.getLength());
     doc = null;
   } catch (BadLocationException ex) {
     text = null;
   }
   if (text != null) {
     try {
       double number = Double.parseDouble(text);
       if (number > 1) {
         label.setText(labelPair.getPlural());
       } else {
         label.setText(labelPair.getSingular());
       }
     } catch (NumberFormatException ex) {
       // Do nothing
     } finally {
       text = null;
     }
   }
 }