public boolean isSingleComponentRowSelection() {
		if (!isSingleRowSelection()) {
			return false;
		}
		FieldRange range = selection.getFieldRange(0);
		int rowIndex = range.getStart().getIndex().intValue();
		return getComponent(rowIndex) != null;
	}
Returns true if the component list selection is a single component.
@return true if the component list selection is a single component
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/compositeeditor/CompositeViewerModel.java