public LabelingDialog(Shell parent, ITextSelection textselection, IDocument doc) {
super(parent);
setTitle("Labeling");
_textSelection = textselection;
_doc = doc;
_replaceHandeler = new LabelTagReplaceHandler(_doc, "");
_wgaDesign = new WGADesignStructureHelper(Plugin.getDefault().getActiveFile());
setHelpAvailable(false);
}