Examples of org.eclipse.jface.text.source.SourceViewer

org.eclipse.jface.text.source.SourceViewer
SWT based implementation of {@link org.eclipse.jface.text.source.ISourceViewer} and its extensioninterfaces. The same rules apply as for {@link org.eclipse.jface.text.TextViewer}. A source viewer uses an IVerticalRuler as its annotation presentation area. The vertical ruler is a small strip shown left of the viewer's text widget. A source viewer uses an IOverviewRuler as its presentation area for the annotation overview. The overview ruler is a small strip shown right of the viewer's text widget.
Clients are supposed to instantiate a source viewer and subsequently to communicate with it exclusively using the ISourceViewer and its extension interfaces.

Clients may subclass this class but should expect some breakage by future releases.

      super.createPartControl(parent);
      
      showMatchingCharacters();
      
      if (getViewer() instanceof SourceViewer) {
      SourceViewer viewer = (SourceViewer) getViewer();
  
      viewer.prependAutoEditStrategy(new CommentExtender(), HdlPartitionScanner.SINGLE_LINE_COMMENT);
    }      
  }

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   *
   * @param parent the parent control
   * @return a configured source viewer
   */
  protected SourceViewer createViewer(Composite parent) {
    SourceViewer viewer= new SourceViewer(parent, null, null, false, SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
    SourceViewerConfiguration configuration= new SourceViewerConfiguration();
    viewer.configure(configuration);
    IDocument document= new Document();
    viewer.setDocument(document);
    return viewer;
  }

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        textEditorTab.setControl(createTextualEditor(tabFolder));
        return composite;
    }
    
    private Control createTextualEditor(Composite parent) {
        actionViewer = new SourceViewer(parent, null, SWT.BORDER);
        actionViewer.configure(new DRLSourceViewerConfig(null) {
            public IReconciler getReconciler(ISourceViewer sourceViewer) {
                return null;
            }
            public IContentAssistant getContentAssistant(ISourceViewer sourceViewer) {

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        textEditorTab.setControl(createTextualEditor(tabFolder));
        return composite;
    }
    
    private Control createTextualEditor(Composite parent) {
        actionViewer = new SourceViewer(parent, null, SWT.BORDER);
        actionViewer.configure(new DRLSourceViewerConfig(null) {
            public IReconciler getReconciler(ISourceViewer sourceViewer) {
                return null;
            }
            public IContentAssistant getContentAssistant(ISourceViewer sourceViewer) {

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    protected Point getInitialSize() {
        return new Point(600, 450);
    }


    private Control createTextualEditor(Composite parent) {
        actionViewer = new SourceViewer(parent, null, SWT.BORDER);
        actionViewer.configure(new DRLSourceViewerConfig(null) {
            public IReconciler getReconciler(ISourceViewer sourceViewer) {
                return null;
            }
            public IContentAssistant getContentAssistant(ISourceViewer sourceViewer) {

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      FillLayout fillLayout = new FillLayout();
      fillLayout.type = SWT.HORIZONTAL;
      fillLayout.spacing = 5;
      sourcePairComposite.setLayout(fillLayout);
    }
    SourceViewer sourceViewerLeft =
        new SourceViewer(sourcePairComposite, null, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
    sourceViewerLeft.getTextWidget().setEditable(false);
    SourceViewer sourceViewerRight =
        new SourceViewer(sourcePairComposite, null, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
    sourceViewerRight.getTextWidget().setEditable(false);


    {
      functionStatusText = new Text(composite, SWT.READ_ONLY | SWT.MULTI | SWT.WRAP | SWT.V_SCROLL);
      Display display = composite.getDisplay();
      functionStatusText.setBackground(display.getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));

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    label.setText(TemplatesMessages.TemplatePreferencePage_preview);
    GridData data= new GridData();
    data.horizontalSpan= 2;
    label.setLayoutData(data);


    SourceViewer viewer= createViewer(parent);


    viewer.setEditable(false);
    Cursor arrowCursor= viewer.getTextWidget().getDisplay().getSystemCursor(SWT.CURSOR_ARROW);
    viewer.getTextWidget().setCursor(arrowCursor);


    // Don't set caret to 'null' as this causes https://bugs.eclipse.org/293263
//    viewer.getTextWidget().setCaret(null);


    Control control= viewer.getControl();
    data= new GridData(GridData.FILL_BOTH);
    data.horizontalSpan= 2;
    data.heightHint= convertHeightInCharsToPixels(5);
    control.setLayoutData(data);

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   *
   * @param parent the parent control
   * @return a configured source viewer
   */
  protected SourceViewer createViewer(Composite parent) {
    SourceViewer viewer= new SourceViewer(parent, null, null, false, SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
    SourceViewerConfiguration configuration= new SourceViewerConfiguration();
    viewer.configure(configuration);
    IDocument document= new Document();
    viewer.setDocument(document);
    return viewer;
  }

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   *
   * @param parent the parent control
   * @return a configured source viewer
   */
  protected SourceViewer createPatternViewer(Composite parent) {
    SourceViewer viewer= new SourceViewer(parent, null, null, false, SWT.V_SCROLL | SWT.H_SCROLL);
    SourceViewerConfiguration configuration= new SourceViewerConfiguration();
    viewer.configure(configuration);
    IDocument document= new Document();
    viewer.setDocument(document);
    viewer.setEditable(false);
    return viewer;
  }

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      composite.setForeground(display.getSystemColor(SWT.COLOR_INFO_FOREGROUND));
      composite.setBackground(display.getSystemColor(SWT.COLOR_INFO_BACKGROUND));
    }


    // Source viewer
    fViewer= new SourceViewer(composite, null, textStyle);
    fViewer.configure(new SourceViewerConfiguration());
    fViewer.setEditable(false);


    fText= fViewer.getTextWidget();
    gd= new GridData(GridData.BEGINNING | GridData.FILL_BOTH);

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