Examples of org.eclipse.jface.text.ITextViewerExtension.prependVerifyKeyListener()

Class org.eclipse.jface.text.ITextViewerExtension

Examples of org.eclipse.jface.text.ITextViewerExtension.prependVerifyKeyListener()

org.eclipse.jface.text.ITextViewerExtension.prependVerifyKeyListener()
Inserts the verify key listener at the beginning of the viewer's list of verify key listeners. If the listener is already registered with the viewer this call moves the listener to the beginning of the list. @param listener the listener to be inserted

    public void install() {
      if (!fIsInstalled) {


        if (fSourceViewer instanceof ITextViewerExtension) {
          ITextViewerExtension e= (ITextViewerExtension) fSourceViewer;
          e.prependVerifyKeyListener(this);
        } else {
          StyledText text= fSourceViewer.getTextWidget();
          text.addVerifyKeyListener(this);
        }

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                    // TODO use undoLevel from Preferences (TextEditorPlugin)
                    sourceViewer.getUndoManager().setMaximalUndoLevel(200);


                } else {
                    lockedEditors.add(editorPart);
                    textViewer
                        .prependVerifyKeyListener(EditorAPI.this.keyVerifier);


                    // disable editing and undo-manager
                    SourceViewer sourceViewer = (SourceViewer) textViewer;
                    sourceViewer.setEditable(false);

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  public boolean prependVerifyKeyListener(VerifyKeyListener verifyKeyListener) {
    if (fContentAssistSubjectControl != null) {
      return fContentAssistSubjectControl.prependVerifyKeyListener(verifyKeyListener);
    } else if (fViewer instanceof ITextViewerExtension) {
      ITextViewerExtension e= (ITextViewerExtension) fViewer;
      e.prependVerifyKeyListener(verifyKeyListener);
      return true;
    } else {


      StyledText textWidget= fViewer.getTextWidget();
      if (Helper.okToUse(textWidget)) {

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      StyledText text= fViewer.getTextWidget();
      if (Helper2.okToUse(text)) {


        if (fViewer instanceof ITextViewerExtension) {
          ITextViewerExtension e= (ITextViewerExtension) fViewer;
          e.prependVerifyKeyListener(fInternalListener);
        } else {
          text.addVerifyKeyListener(fInternalListener);
        }


        fKeyListenerHooked= true;

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    public void install() {
      if (!fIsInstalled) {


        if (fSourceViewer instanceof ITextViewerExtension) {
          ITextViewerExtension e= (ITextViewerExtension) fSourceViewer;
          e.prependVerifyKeyListener(this);
        } else {
          StyledText text= fSourceViewer.getTextWidget();
          text.addVerifyKeyListener(this);
        }

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  public boolean prependVerifyKeyListener(VerifyKeyListener verifyKeyListener) {
    if (fContentAssistSubjectControl != null) {
      return fContentAssistSubjectControl.prependVerifyKeyListener(verifyKeyListener);
    } else if (fViewer instanceof ITextViewerExtension) {
      ITextViewerExtension e= (ITextViewerExtension) fViewer;
      e.prependVerifyKeyListener(verifyKeyListener);
      return true;
    } else {


      StyledText textWidget= fViewer.getTextWidget();
      if (Helper.okToUse(textWidget)) {

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      StyledText text= fViewer.getTextWidget();
      if (Helper2.okToUse(text)) {


        if (fViewer instanceof ITextViewerExtension) {
          ITextViewerExtension e= (ITextViewerExtension) fViewer;
          e.prependVerifyKeyListener(fInternalListener);
        } else {
          text.addVerifyKeyListener(fInternalListener);
        }


        fKeyListenerHooked= true;

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            hideContextSelector();
          }
        }
      };


      textViewerExtension.prependVerifyKeyListener(verifyListener);


      fContextSelectorShell.addDisposeListener(new DisposeListener() {
        public void widgetDisposed(DisposeEvent e) {
          textViewerExtension.removeVerifyKeyListener(verifyListener);
        }

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