Examples of org.eclipse.swt.custom.StyledText.addModifyListener()

org.eclipse.swt.custom.StyledText.addModifyListener()
Adds a modify listener. A Modify event is sent by the widget when the widget text has changed. @param modifyListener the listener @exception SWTException
- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
@exception IllegalArgumentException
- ERROR_NULL_ARGUMENT when listener is null

        final StyledText text = new StyledText(mapcalcComposite, SWT.MULTI | SWT.WRAP | SWT.LEAD | SWT.BORDER | SWT.V_SCROLL);
        GridData textGD = new GridData(SWT.FILL, SWT.FILL, true, true);
        textGD.verticalSpan = rows;
        textGD.heightHint = 100;
        text.setLayoutData(textGD);
        text.addModifyListener(new ModifyListener(){
            public void modifyText( ModifyEvent e ) {
                MapcalculatorUtils.checkStyle(text);
            }
        });

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    ITextViewerExtension extension= (ITextViewerExtension) fViewer;
    extension.prependVerifyKeyListener(this);


    StyledText text= fViewer.getTextWidget();      
    text.addVerifyListener(this);
    text.addModifyListener(this);
    text.addPaintListener(this);
    text.showSelection();


    Shell shell= text.getShell();
    shell.addShellListener(this);

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          return;


        fViewer.getSelectionProvider().addSelectionChangedListener(this);
        text.addFocusListener(this);
        text.addMouseListener(this);
        text.addModifyListener(this);


        fClipboard= new Clipboard(text.getDisplay());
        fBuffer.setLength(0);


      } else if (!hasSameState()) {

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          return;


        fViewer.getSelectionProvider().addSelectionChangedListener(this);
        text.addFocusListener(this);
        text.addMouseListener(this);
        text.addModifyListener(this);


        fClipboard= new Clipboard(text.getDisplay());
        fBuffer.setLength(0);


      } else if (!hasSameState()) {

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