Examples of org.eclipse.jface.text.TextPresentation

org.eclipse.jface.text.TextPresentation
Describes the presentation styles for a section of an indexed text such as a document or string. A text presentation defines a default style for the whole section and in addition style differences for individual subsections. Text presentations can be narrowed down to a particular result window. All methods are result window aware, i.e. ranges outside the result window are always ignored.
All iterators provided by a text presentation assume that they enumerate non overlapping, consecutive ranges inside the default range. Thus, all these iterators do not include the default range. The default style range must be explicitly asked for using getDefaultStyleRange.

   *         <code>null</code> if the partitioning could not be computed
   */
  protected TextPresentation createPresentation(IRegion damage, IDocument document) {
    try {
      if (fRepairers == null || fRepairers.isEmpty()) {
        TextPresentation presentation= new TextPresentation(damage, 100);
        presentation.setDefaultStyleRange(new StyleRange(damage.getOffset(), damage.getLength(), null, null));
        return presentation;
      }


      TextPresentation presentation= new TextPresentation(damage, 1000);


      ITypedRegion[] partitioning= TextUtilities.computePartitioning(document, getDocumentPartitioning(), damage.getOffset(), damage.getLength(), false);
      for (int i= 0; i < partitioning.length; i++) {
        ITypedRegion r= partitioning[i];
        IPresentationRepairer repairer= getRepairer(r.getType());

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   * @param damage the damage to be repaired
   * @param document the document whose presentation must be repaired
   */
  private void processDamage(IRegion damage, IDocument document) {
    if (damage != null && damage.getLength() > 0) {
      TextPresentation p= createPresentation(damage, document);
      if (p != null)
        applyTextRegionCollection(p);
    }
  }

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    fContentAssistSubjectControlAdapter.installValidator(frame);


    if (frame.fPresenter != null) {
      if (fTextPresentation == null)
        fTextPresentation= new TextPresentation();
      fContentAssistSubjectControlAdapter.installContextInformationPresenter(frame);
      frame.fPresenter.updatePresentation(frame.fOffset, fTextPresentation);
    }


    createContextInfoPopup();

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    int height= trim.height;


    //FIXME: The HTML2TextReader does not render <p> like a browser.
    // Instead of inserting an empty line, it just adds a single line break.
    // Furthermore, the indentation of <dl><dd> elements is too small (e.g with a long @see line)
    TextPresentation presentation= new TextPresentation();
    HTML2TextReader reader= new HTML2TextReader(new StringReader(fInput.getHtml()), presentation);
    String text;
    try {
      text= reader.getString();
    } catch (IOException e) {
      text= ""; //$NON-NLS-1$
    }


    fTextLayout.setText(text);
    fTextLayout.setWidth(sizeConstraints == null ? SWT.DEFAULT : sizeConstraints.x - trim.width);
    Iterator iter= presentation.getAllStyleRangeIterator();
    while (iter.hasNext()) {
      StyleRange sr= (StyleRange)iter.next();
      if (sr.fontStyle == SWT.BOLD)
        fTextLayout.setStyle(fBoldStyle, sr.start, sr.start + sr.length - 1);
    }

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   * (org.eclipse.swt.widgets.Shell)
   */
  public IInformationControl createInformationControl(Shell parent) {
    fControl = new PHPSourceViewerInformationControl(parent, fOrientation) {
      public void setInformation(String content) {
        TextPresentation presentation = new TextPresentation();
        HTML2TextReader reader = new HTML2TextReader(new StringReader(
            content), presentation);
        try {
          super.setInformation(reader.getString());
        } catch (IOException e) {

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      public void controlResized(ControlEvent e) {
        setJavadocInput(mainViewer.getSelection());
      }
    });
    htmlPresenter = new HTMLTextPresenter(false);
    textPresentation = new TextPresentation();
  }

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