src/org/tiefaces/components/websheet/configuration/ConfigurationHandler.java
private void matchSheetConfigForm(final Map<String, SheetConfiguration> sheetConfigMap,
			final List<ConfigCommand> commandList, final List<String> formList) {
		for (ConfigCommand command : commandList) {
			// check weather it's form command
			if (!command.getCommandTypeName().equalsIgnoreCase(TieConstants.COMMAND_FORM)
					&& (!command.isParentFound())) {
				matchCommandToSheetConfigForm(sheetConfigMap, formList, command);
			}
		}
	}
private void matchSheetConfigForm(final Map<String, SheetConfiguration> sheetConfigMap,
			final List<ConfigCommand> commandList, final List<String> formList) {
		for (ConfigCommand command : commandList) {
			// check weather it's form command
			if (!command.getCommandTypeName().equalsIgnoreCase(TieConstants.COMMAND_FORM)
					&& (!command.isParentFound())) {
				matchCommandToSheetConfigForm(sheetConfigMap, formList, command);
			}
		}
	}
Assemble top level command to sheetConfiguration (form). top level commands
are those haven't matched from matchParentCommand function.

@param sheetConfigMap
sheet configuration map.
@param commandList
command list.
@param formList
form list.