NDBT_Attribute(const char* _name,
NdbDictionary::Column::Type _type,
int _length = 1,
bool _pk = false,
bool _nullable = false,
CHARSET_INFO *cs= 0,
NdbDictionary::Column::StorageType storage = NdbDictionary::Column::StorageTypeMemory,
bool dynamic = false,
const void* defaultVal = NULL,
Uint32 defaultValBytes = 0):
NdbDictionary::Column(_name)
{
assert(_name != 0);
setType(_type);
setLength(_length);
setNullable(_nullable);
setPrimaryKey(_pk);
if (cs)
{
setCharset(cs);
}
setStorageType(storage);
setDynamic(dynamic);
setDefaultValue(defaultVal, defaultValBytes);
}
StelShortcut::StelShortcut(const QString &id,
StelShortcutGroup* group,
const QString &text,
const QString &primaryKey,
const QString &altKey,
bool checkable,
bool autoRepeat,
bool global,
QGraphicsWidget *parent) :
m_id(id), m_temporary(false)
{
if (parent == NULL)
{
parent = StelMainGraphicsView::getInstance().getStelAppGraphicsWidget();
}
m_action = new QAction(parent);
m_action->setObjectName(id);
m_group = group;
setText(text);
setPrimaryKey(primaryKey);
setAltKey(altKey);
setCheckable(checkable);
setAutoRepeat(autoRepeat);
setGlobal(global);
parent->addAction(m_action);
}
void TextUI::processCommand()
{
string choice;
cin >> choice;
switch(atoi(choice.c_str()))
{
case Load:
loadERDiagram();
displayMenu();
break;
case Save:
saveERDiagram();
displayMenu();
break;
case Add:
addNewNode();
displayMenu();
break;
case Connect:
addConnection();
displayMenu();
break;
case GetTable:
displayComponentTable();
displayConnectionTable();
displayMenu();
break;
case SetPK:
setPrimaryKey();
displayMenu();
break;
case GetERTable:
displayERDiagramTable();
displayMenu();
break;
case Delete:
deleteComponent();
displayMenu();
break;
case Undo:
undoCmd();
displayMenu();
break;
case Redo:
redoCmd();
displayMenu();
break;
case Exit:
exitERDiagram();
break;
default:
cout << TEXT_MENU_ERRORCHOICE;
displayMenu();
break;
}
}
vector<pair<int, bool>> ERModel::reBuildPrimaryKey( Component* oldAttributeNode, int newEntityNodeID, int newAttributeNodeID )
{
vector<pair<int, bool>> reBuildPrimaryKeySet;
vector<int> primaryKey;
NodeAttribute* tempOldAttributeNode = static_cast<NodeAttribute*>(oldAttributeNode);
if (tempOldAttributeNode->getIsPrimaryKey())
{
primaryKey.push_back(newAttributeNodeID);
setPrimaryKey(newEntityNodeID, primaryKey);
reBuildPrimaryKeySet.push_back(make_pair(newAttributeNodeID, true));
return reBuildPrimaryKeySet;
}
return reBuildPrimaryKeySet;
}
// 重建PK
void ERModel::recoveryPrimaryKey( vector<string> primaryKeysSet )
{
// primaryKeysSet is composed by entityNodeID, primarykey set.
pair<string,vector<string>> splitPrimaryKey;
vector<int> primaryKeyData;
for (int i = 0; i < primaryKeysSet.size(); i++)
{
primaryKeyData.clear();
// splitter.first是EntityID, splitter.second是primary key的集合
splitPrimaryKey = splitter(primaryKeysSet[i]);
for (int j = 0; j < splitPrimaryKey.second.size(); j++)
primaryKeyData.push_back(atoi(splitPrimaryKey.second[j].c_str()));
setPrimaryKey(atoi(splitPrimaryKey.first.c_str()), primaryKeyData);
}
}
NDBT_Attribute(const char* _name,
NdbDictionary::Column::Type _type,
int _length = 1,
bool _pk = false,
bool _nullable = false,
CHARSET_INFO *cs= 0,
NdbDictionary::Column::StorageType storage = NdbDictionary::Column::StorageTypeMemory):
NdbDictionary::Column(_name)
{
assert(_name != 0);
setType(_type);
setLength(_length);
setNullable(_nullable);
setPrimaryKey(_pk);
if (cs)
{
setCharset(cs);
}
setStorageType(storage);
}