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.


      return button;
    }


    private SourceViewer createEditor(Composite parent, String pattern) {
      SourceViewer viewer= createViewer(parent);
      viewer.setEditable(true);


      IDocument document= viewer.getDocument();
      if (document != null)
        document.set(pattern);
      else {
        document= new Document(pattern);
        viewer.setDocument(document);
      }


      int nLines= document.getNumberOfLines();
      if (nLines < 5) {
        nLines= 5;
      } else if (nLines > 12) {
        nLines= 12;
      }


      Control control= viewer.getControl();
      GridData data= new GridData(GridData.FILL_BOTH);
      data.widthHint= convertWidthInCharsToPixels(80);
      data.heightHint= convertHeightInCharsToPixels(nLines);
      control.setLayoutData(data);


      viewer.addTextListener(new ITextListener() {
        public void textChanged(TextEvent event) {
          if (event .getDocumentEvent() != null)
            doSourceChanged(event.getDocumentEvent().getDocument());
        }
      });


      viewer.addSelectionChangedListener(new ISelectionChangedListener() {
        public void selectionChanged(SelectionChangedEvent event) {
          updateSelectionDependentActions();
        }
      });

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     *
     * @param parent the parent composite of the viewer
     * @return a configured <code>SourceViewer</code>
     */
    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() {
        public IContentAssistant getContentAssistant(ISourceViewer sourceViewer) {


          ContentAssistant assistant= new ContentAssistant();
          assistant.enableAutoActivation(true);
          assistant.enableAutoInsert(true);
          assistant.setContentAssistProcessor(fTemplateProcessor, IDocument.DEFAULT_CONTENT_TYPE);
          return assistant;
        }
      };
      viewer.configure(configuration);
      return viewer;
    }

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   * @param ruler the vertical ruler
   * @param styles style bits, <code>SWT.WRAP</code> is currently not supported
   * @return the source viewer
   */
  protected ISourceViewer createSourceViewer(Composite parent, IVerticalRuler ruler, int styles) {
    return new SourceViewer(parent, ruler, styles);
  }

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     *
     */
    private void createSourceEditor()
    {
        // create source editor
        sourceEditor = new SourceViewer( this, null, null, false, SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL );
        sourceEditor.getControl().setLayoutData( new GridData( SWT.FILL, SWT.FILL, true, true ) );


        // setup basic configuration
        configuration = new ACISourceViewerConfiguration();
        sourceEditor.configure( configuration );

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     * @param view the modification logs view
     */
    public ModificationLogsViewActionGroup( ModificationLogsView view )
    {
        this.view = view;
        SourceViewer viewer = this.view.getMainWidget().getSourceViewer();


        modificationLogsViewActionMap = new HashMap<String, ModificationLogsViewActionProxy>();
        modificationLogsViewActionMap.put( olderAction, new ModificationLogsViewActionProxy( viewer, new OlderAction(
            view ) ) );
        modificationLogsViewActionMap.put( newerAction, new ModificationLogsViewActionProxy( viewer, new NewerAction(

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     * @param view the search logs view
     */
    public SearchLogsViewActionGroup( SearchLogsView view )
    {
        this.view = view;
        SourceViewer viewer = this.view.getMainWidget().getSourceViewer();


        searchLogsViewActionMap = new HashMap<String, SearchLogsViewActionProxy>();
        searchLogsViewActionMap.put( olderAction, new SearchLogsViewActionProxy( viewer, new OlderAction( view ) ) );
        searchLogsViewActionMap.put( newerAction, new SearchLogsViewActionProxy( viewer, new NewerAction( view ) ) );
        searchLogsViewActionMap.put( refreshAction, new SearchLogsViewActionProxy( viewer, new RefreshAction( view ) ) );

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        gd.widthHint = convertHorizontalDLUsToPixels( IDialogConstants.MINIMUM_MESSAGE_AREA_WIDTH );
        gd.heightHint = convertHorizontalDLUsToPixels( IDialogConstants.MINIMUM_MESSAGE_AREA_WIDTH );
        composite.setLayoutData( gd );


        // create and configure source viewer
        sourceViewer = new SourceViewer( composite, new VerticalRuler( 0 ), SWT.H_SCROLL | SWT.V_SCROLL );
        sourceViewer.getControl().setLayoutData( new GridData( GridData.FILL_BOTH ) );
        configuration = new FilterSourceViewerConfiguration( parser, browserConnection );
        sourceViewer.configure( configuration );


        // set document

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     *
     */
    private void createSourceEditor()
    {
        // create source editor
        sourceEditor = new SourceViewer( this, null, null, false, SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL );


        // setup basic configuration
        configuration = new ACISourceViewerConfiguration();
        sourceEditor.configure( configuration );

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        composite.setLayout( layout );


        // create source viewer
        // sourceViewer = new ProjectionViewer(parent, ruler,
        // getOverviewRuler(), true, styles);
        sourceViewer = new SourceViewer( composite, null, null, false, SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL );
        sourceViewer.getControl().setLayoutData( new GridData( GridData.FILL_BOTH ) );


        // configure
        sourceViewerConfiguration = new LdifSourceViewerConfiguration( this, this.contentAssistEnabled );
        sourceViewer.configure( sourceViewerConfiguration );

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    /**
     * Overridden to handle backspace (will only be called on Eclipse 3.5)
     */
    @Override
    protected SourceViewer createSourceViewer(Composite parent, int textOrientation) {
        final SourceViewer viewer = super.createSourceViewer(parent, textOrientation);
        viewer.appendVerifyKeyListener(PyPeerLinker.createVerifyKeyListener(viewer));
        viewer.appendVerifyKeyListener(PyBackspace.createVerifyKeyListener(viewer, null));
        IWorkbenchPart workbenchPart = getCompareConfiguration().getContainer().getWorkbenchPart();


        //Note that any site should be OK as it's just to know if a keybinding is active. 
        IWorkbenchPartSite site = null;
        if (workbenchPart != null) {
            site = workbenchPart.getSite();
        } else {
            IWorkbenchWindow window = PyAction.getActiveWorkbenchWindow();
            if (window != null) {
                IWorkbenchPage activePage = window.getActivePage();
                if (activePage != null) {
                    IWorkbenchPart activePart = activePage.getActivePart();
                    if (activePart != null) {
                        site = activePart.getSite();
                    }
                }
            }
        }
        VerifyKeyListener createVerifyKeyListener = FirstCharAction.createVerifyKeyListener(viewer, site, true);
        if (createVerifyKeyListener != null) {
            viewer.appendVerifyKeyListener(createVerifyKeyListener);
        }
        return viewer;
    }

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