Examples of org.eclipse.jface.text.IDocument.removeDocumentListener()

org.eclipse.jface.text.IDocument.removeDocumentListener()
Removes the listener from the document's list of document listeners. If the listener is not registered with the document nothing happens.
An IDocumentListener may call back to this method when being inside a document notification. @param listener the listener to be removed

        IDocument oldDocument= getDocument();
        
        super.setDocument(document);
        
        if (oldDocument != null) {
            oldDocument.removeDocumentListener(getDocumentListener());
        }
        if (document != null) {
            document.addDocumentListener(getDocumentListener());
        }
    }

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     * Remove document listener.
     */
    protected void disposeElementInfo( Object element, ElementInfo info )
    {
        IDocument document = info.fDocument;
        document.removeDocumentListener( this );


        super.disposeElementInfo( element, info );
    }

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   */
  public void uninstall() {
    fTextViewer.removeTextInputListener(this);
    IDocument document= fTextViewer.getDocument();
    if (document != null)
      document.removeDocumentListener(this);


    if (fColor != null) {
      if (fDisposeColor)
        fColor.dispose();
      fColor= null;

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  private void unregister() {
    if (fDocumentListener != null) {
      IDocument document= fViewer.getDocument();
      if (document != null)
        document.removeDocumentListener(fDocumentListener);
      fDocumentListener= null;
    }
    fDocumentEvents.clear();


    StyledText styledText= fViewer.getTextWidget();

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   */
  private void unregister() {
    if (fDocumentListener != null) {
      IDocument document= fContentAssistSubjectControlAdapter.getDocument();
      if (document != null)
        document.removeDocumentListener(fDocumentListener);
      fDocumentListener= null;
    }
    fDocumentEvents.clear();


    if (fKeyListener != null && fContentAssistSubjectControlAdapter.getControl() != null && !fContentAssistSubjectControlAdapter.getControl().isDisposed()) {

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      IDocumentProvider documentProvider= editor.getDocumentProvider();
      if (documentProvider != null) {
        IDocument document= documentProvider.getDocument(editor.getEditorInput());
        if (document != null)
          document.removeDocumentListener(this);
      }
    }
        


    /*

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     IDocument oldDocument= getDocument();
     
     super.setDocument(document);
     
     if (oldDocument != null) {
       oldDocument.removeDocumentListener(getDocumentListener());
     }
     if (document != null) {
       document.addDocumentListener(getDocumentListener());
     }
   }

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     * Remove document listener.
     */
    protected void disposeElementInfo( Object element, ElementInfo info )
    {
        IDocument document = info.fDocument;
        document.removeDocumentListener( this );


        super.disposeElementInfo( element, info );
    }

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            IDocumentProvider documentProvider = getDocumentProvider();
            if (documentProvider != null) {
                IDocument document = documentProvider
                        .getDocument(getEditorInput());
                if (document != null)
                    document.removeDocumentListener(this);
            }
        }


        /*
         * @see

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        return false;
      }
    }
    finally {
      if(document != null)
        document.removeDocumentListener(listener);
    }
    return true;
  }


  IFile getCurrentFile() {

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