@Override
public WorksheetCommandHistory clone() {
WorksheetCommandHistory worksheetCommandHistory = new WorksheetCommandHistory();
for (String worksheetId : getAllWorksheetId()) {
worksheetCommandHistory.historyWorksheetMap.put(worksheetId, new CommandTagListMap());
}
for (ICommand command : getAllCommands()) {
worksheetCommandHistory.insertCommandToHistory(command);
}
for (String worksheetId : getAllWorksheetId()) {
CommandTagListMap newMap = worksheetCommandHistory.historyWorksheetMap.get(worksheetId);
CommandTagListMap oldMap = this.historyWorksheetMap.get(worksheetId);
if (oldMap != null && newMap != null) {
if (oldMap.currentCommand != null) {
newMap.currentCommand =
new RedoCommandObject(
oldMap.currentCommand.getCommand(),
oldMap.currentCommand.getConsolidatedCommand());
}
if (oldMap.lastRedoCommand != null) {
newMap.lastRedoCommand =
new RedoCommandObject(
oldMap.lastRedoCommand.getCommand(),
oldMap.lastRedoCommand.getConsolidatedCommand());
}
newMap.stale = oldMap.stale;
}
}
return worksheetCommandHistory;
}
public void setStale(String worksheetId, boolean stale) {
if (worksheetId == null) {
worksheetId = IMPORT_COMMANDS;
}
CommandTagListMap commandTagListMap = historyWorksheetMap.get(worksheetId);
if (commandTagListMap != null) {
commandTagListMap.stale = stale;
}
}