Examples with ITextViewerExtension org.eclipse.jface.text.ITextViewerExtension used on opensource projects

Example 36 with ITextViewerExtension

use of org.eclipse.jface.text.ITextViewerExtension in project mylyn.docs by eclipse.

the class FindAndReplaceTarget method uninstall.

private void uninstall() {
    if (!installed) {
        return;
    }
    StyledText textWidget = textViewer.getTextWidget();
    if (textWidget == null) {
        return;
    }
    textViewer.removeTextListener(this);
    textWidget.removeMouseListener(this);
    textWidget.removeFocusListener(this);
    ISelectionProvider selectionProvider = textViewer.getSelectionProvider();
    if (selectionProvider != null) {
        selectionProvider.removeSelectionChangedListener(this);
    }
    if (textViewer instanceof ITextViewerExtension) {
        ((ITextViewerExtension) textViewer).removeVerifyKeyListener(this);
    } else {
        textWidget.removeVerifyKeyListener(this);
    }
    ICommandService commandService = (ICommandService) PlatformUI.getWorkbench().getAdapter(ICommandService.class);
    if (commandService != null) {
        commandService.removeExecutionListener(this);
    }
    installed = false;
}