@Override
  public final void createContents(Composite parent) {
    // This is a hacked fix to ensure that the label columns on every details
    // page have the same width. SchemaDetails_translatable plus 11 pixels
    // represents the longest label on any field on any details page. This
    // occurs on SchemaStringAttributeDetails and 11 is the size of the
    // horizontal indent that contributes to the label's width.
    GC gc = new GC(parent);
    minLabelWeight = gc.textExtent(PDEUIMessages.SchemaDetails_translatable).x + 11;
    gc.dispose();
    gc = null;

    parent.setLayout(FormLayoutFactory.createDetailsGridLayout(false, 1));
    FormToolkit toolkit = getManagedForm().getToolkit();
    fSection = toolkit.createSection(parent, Section.DESCRIPTION | ExpandableComposite.TITLE_BAR);
    fSection.clientVerticalSpacing = FormLayoutFactory.SECTION_HEADER_VERTICAL_SPACING;
    fSection.setLayout(FormLayoutFactory.createClearGridLayout(false, 1));

    GridData gd;
    if (fShowDescription) gd = new GridData(GridData.FILL_BOTH);
    else gd = new GridData(GridData.FILL_HORIZONTAL);
    fSection.setLayoutData(gd);

    // Align the master and details section headers (misalignment caused
    // by section toolbar icons)
    getPage().alignSectionHeaders(fElementSection.getSection(), fSection);

    Composite client = toolkit.createComposite(fSection);
    client.setLayout(FormLayoutFactory.createSectionClientGridLayout(false, 3));

    createDetails(client);

    if (fShowDescription) createDescription(client, toolkit);

    // If the DTD Approximation section was requested, instantiate it and create it's contents
    // on the same parent Composite
    if (fShowDTD) {
      fDtdSection = new SchemaDtdDetailsSection();
      fDtdSection.initialize(getManagedForm());
      fDtdSection.createContents(parent);
    }

    toolkit.paintBordersFor(client);
    fSection.setClient(client);
    markDetailsPart(fSection);

    if (fShowDescription) fDescriptionViewer.createUIListeners();
    hookListeners();
  }
 protected void fireSelectionChange() {
   fElementSection.fireSelection(fElementSection.getTreeViewer().getSelection());
 }
 protected void fireMasterSelection(ISelection selection) {
   fElementSection.fireSelection(selection);
 }
 public boolean isEditableElement() {
   return fElementSection.isEditable();
 }