src/org/tiefaces/components/websheet/service/CellHelper.java
public final void restoreDataContext(final String fullName) {

		String[] parts = fullName.split(":");

		if (!isNeedRestore(fullName, parts)) {
			return;
		}

		boolean stopSkip = false;
		List<String> list = parent.getCurrent()
				.getCurrentDataContextNameList();
		int listSize = list.size();

		// prepare collection data in context.
		// must loop through the full name which may have multiple
		// layer.
		// i.e. E.department.1:E.employee.0
		// need prepare department.1 and employee.0

		for (int i = 0; i < parts.length; i++) {
			String part = parts[i];
			boolean skip = false;
			if ((!stopSkip) && (i < listSize)) {
				String listPart = list.get(i);
				if (part.equalsIgnoreCase(listPart)) {
					skip = true;
				}
			}
			if (!skip) {
				stopSkip = true;
				startRestoreDataContext(part);
			}
		}
		if (stopSkip) {
			parent.getCurrent().setCurrentDataContextName(fullName);
		}

		return;
	}
public final void restoreDataContext(final String fullName) {

		String[] parts = fullName.split(":");

		if (!isNeedRestore(fullName, parts)) {
			return;
		}

		boolean stopSkip = false;
		List<String> list = parent.getCurrent()
				.getCurrentDataContextNameList();
		int listSize = list.size();

		// prepare collection data in context.
		// must loop through the full name which may have multiple
		// layer.
		// i.e. E.department.1:E.employee.0
		// need prepare department.1 and employee.0

		for (int i = 0; i < parts.length; i++) {
			String part = parts[i];
			boolean skip = false;
			if ((!stopSkip) && (i < listSize)) {
				String listPart = list.get(i);
				if (part.equalsIgnoreCase(listPart)) {
					skip = true;
				}
			}
			if (!skip) {
				stopSkip = true;
				startRestoreDataContext(part);
			}
		}
		if (stopSkip) {
			parent.getCurrent().setCurrentDataContextName(fullName);
		}

		return;
	}
Restore data context.

@param fullName
the full name