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

org.eclipse.jface.text.source.SourceViewerConfiguration
This class bundles the configuration space of a source viewer. Instances of this class are passed to the configure method of ISourceViewer.
Each method in this class get as argument the source viewer for which it should provide a particular configuration setting such as a presentation reconciler. Based on its specific knowledge about the returned object, the configuration might share such objects or compute them according to some rules.

Clients should subclass and override just those methods which must be specific to their needs.
@see org.eclipse.jface.text.source.ISourceViewer

      }
    }
  }


  private void updateSourceViewerConfiguration() {
    SourceViewerConfiguration configuration = getSourceViewerConfiguration();
    // no need to update source viewer configuration if one does not exist
    // yet
    if (configuration == null) {
      return;
    }

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  class JSPEditTemplateDialog extends EditTemplateDialog {
    public JSPEditTemplateDialog(Shell parent, Template template, boolean edit, boolean isNameModifiable, ContextTypeRegistry registry) {
      super(parent, template, edit, isNameModifiable, registry);
    }


    protected SourceViewer createViewer(Composite parent) {      SourceViewerConfiguration sourceViewerConfiguration = new StructuredTextViewerConfiguration() {
      StructuredTextViewerConfiguration baseConfiguration = new StructuredTextViewerConfigurationJSP();


      public String[] getConfiguredContentTypes(ISourceViewer sourceViewer) {
        return baseConfiguration.getConfiguredContentTypes(sourceViewer);
      }

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   * @param parent
   *            the parent control
   * @return a configured source viewer
   */
  private SourceViewer createViewer(Composite parent) {
    SourceViewerConfiguration sourceViewerConfiguration = new StructuredTextViewerConfiguration() {
      StructuredTextViewerConfiguration baseConfiguration = new StructuredTextViewerConfigurationJSP();


      public String[] getConfiguredContentTypes(ISourceViewer sourceViewer) {
        return baseConfiguration.getConfiguredContentTypes(sourceViewer);
      }

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  protected void handleElementContentReplaced() {
    super.handleElementContentReplaced();


    // queue a full revalidation of content
    IDocument document = getDocumentProvider().getDocument(getEditorInput());
    SourceViewerConfiguration sourceViewerConfiguration = getSourceViewerConfiguration();
    if (document != null && sourceViewerConfiguration != null && sourceViewerConfiguration.getReconciler(getSourceViewer()) instanceof DirtyRegionProcessor) {
      ((DirtyRegionProcessor) sourceViewerConfiguration.getReconciler(getSourceViewer())).processDirtyRegion(new DirtyRegion(0, document.getLength(), DirtyRegion.INSERT, document.get()));
    }


    /*
     * https://bugs.eclipse.org/bugs/show_bug.cgi?id=129906 - update
     * selection to listeners

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    // update content assist preferences
    else if (EditorPreferenceNames.CODEASSIST_PROPOSALS_BACKGROUND.equals(property)) {
      ISourceViewer sourceViewer = getSourceViewer();
      if (sourceViewer != null) {
        SourceViewerConfiguration configuration = getSourceViewerConfiguration();
        if (configuration != null) {
          IContentAssistant contentAssistant = configuration.getContentAssistant(sourceViewer);
          if (contentAssistant instanceof ContentAssistant) {
            ContentAssistant assistant = (ContentAssistant) contentAssistant;
            RGB rgb = PreferenceConverter.getColor(getPreferenceStore(), EditorPreferenceNames.CODEASSIST_PROPOSALS_BACKGROUND);
            Color color = EditorUtility.getColor(rgb);
            assistant.setProposalSelectorBackground(color);
          }
        }
      }
    }


    // update content assist preferences
    else if (EditorPreferenceNames.CODEASSIST_PROPOSALS_FOREGROUND.equals(property)) {
      ISourceViewer sourceViewer = getSourceViewer();
      if (sourceViewer != null) {
        SourceViewerConfiguration configuration = getSourceViewerConfiguration();
        if (configuration != null) {
          IContentAssistant contentAssistant = configuration.getContentAssistant(sourceViewer);
          if (contentAssistant instanceof ContentAssistant) {
            ContentAssistant assistant = (ContentAssistant) contentAssistant;
            RGB rgb = PreferenceConverter.getColor(getPreferenceStore(), EditorPreferenceNames.CODEASSIST_PROPOSALS_FOREGROUND);
            Color color = EditorUtility.getColor(rgb);
            assistant.setProposalSelectorForeground(color);
          }
        }
      }
    }


    // update content assist preferences
    else if (EditorPreferenceNames.CODEASSIST_PARAMETERS_BACKGROUND.equals(property)) {
      ISourceViewer sourceViewer = getSourceViewer();
      if (sourceViewer != null) {
        SourceViewerConfiguration configuration = getSourceViewerConfiguration();
        if (configuration != null) {
          IContentAssistant contentAssistant = configuration.getContentAssistant(sourceViewer);
          if (contentAssistant instanceof ContentAssistant) {
            ContentAssistant assistant = (ContentAssistant) contentAssistant;
            RGB rgb = PreferenceConverter.getColor(getPreferenceStore(), EditorPreferenceNames.CODEASSIST_PARAMETERS_BACKGROUND);
            Color color = EditorUtility.getColor(rgb);
            assistant.setContextInformationPopupBackground(color);
            assistant.setContextSelectorBackground(color);
          }
        }
      }
    }


    // update content assist preferences
    else if (EditorPreferenceNames.CODEASSIST_PARAMETERS_FOREGROUND.equals(property)) {
      ISourceViewer sourceViewer = getSourceViewer();
      if (sourceViewer != null) {
        SourceViewerConfiguration configuration = getSourceViewerConfiguration();
        if (configuration != null) {
          IContentAssistant contentAssistant = configuration.getContentAssistant(sourceViewer);
          if (contentAssistant instanceof ContentAssistant) {
            ContentAssistant assistant = (ContentAssistant) contentAssistant;
            RGB rgb = PreferenceConverter.getColor(getPreferenceStore(), EditorPreferenceNames.CODEASSIST_PARAMETERS_FOREGROUND);
            Color color = EditorUtility.getColor(rgb);
            assistant.setContextInformationPopupForeground(color);

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   * Sets the editor's source viewer configuration which it uses to
   * configure it's internal source viewer. This method was overwritten so
   * that viewer configuration could be set after editor part was created.
   */
  protected void setSourceViewerConfiguration(SourceViewerConfiguration config) {
    SourceViewerConfiguration oldSourceViewerConfiguration = getSourceViewerConfiguration();
    super.setSourceViewerConfiguration(config);
    StructuredTextViewer stv = getTextViewer();
    if (stv != null) {
      /*
       * There should be no need to unconfigure before configure because

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  /*
   * Update the hovering behavior depending on the preferences.
   */
  private void updateHoverBehavior() {
    SourceViewerConfiguration configuration = getSourceViewerConfiguration();
    String[] types = configuration.getConfiguredContentTypes(getSourceViewer());


    for (int i = 0; i < types.length; i++) {


      String t = types[i];


      ISourceViewer sourceViewer = getSourceViewer();
      if (sourceViewer instanceof ITextViewerExtension2) {
        // Remove existing hovers
        ((ITextViewerExtension2) sourceViewer).removeTextHovers(t);


        int[] stateMasks = configuration.getConfiguredTextHoverStateMasks(getSourceViewer(), t);


        if (stateMasks != null) {
          for (int j = 0; j < stateMasks.length; j++) {
            int stateMask = stateMasks[j];
            ITextHover textHover = configuration.getTextHover(sourceViewer, t, stateMask);
            ((ITextViewerExtension2) sourceViewer).setTextHover(textHover, t, stateMask);
          }
        }
        else {
          ITextHover textHover = configuration.getTextHover(sourceViewer, t);
          ((ITextViewerExtension2) sourceViewer).setTextHover(textHover, t, ITextViewerExtension2.DEFAULT_HOVER_STATE_MASK);
        }
      }
      else
        sourceViewer.setTextHover(configuration.getTextHover(sourceViewer, t), t);
    }
  }

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      }
    }
  }


  private void updateSourceViewerConfiguration() {
    SourceViewerConfiguration configuration = getSourceViewerConfiguration();
    // no need to update source viewer configuration if one does not exist
    // yet
    if (configuration == null) {
      return;
    }

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  /**
   * Make sure indentation is correct before using.
   */
  private void updateIndentationPrefixes() {
    SourceViewerConfiguration configuration = fConfiguration;
    if (fConfiguration != null) {
      String[] types = configuration.getConfiguredContentTypes(this);
      for (int i = 0; i < types.length; i++) {
        String[] prefixes = configuration.getIndentPrefixes(this, types[i]);
        if (prefixes != null && prefixes.length > 0)
          setIndentPrefixes(prefixes, types[i]);
      }
    }
  }

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    }


    public void modelReinitialized(IStructuredModel structuredModel) {
      try {
        if (getSourceViewer() != null) {
          SourceViewerConfiguration cfg = getSourceViewerConfiguration();
          getSourceViewer().configure(cfg);
        }
      }
      catch (Exception e) {
        // https://w3.opensource.ibm.com/bugzilla/show_bug.cgi?id=1166

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