// 添加新列
Column & Table::NewColumn(const std::string & column_name)
{
int32_t new_index = (int32_t)_columns.size();
Column * col = new Column(this, new_index);
assert(col);
if (!column_name.empty())
{
col->SetName(column_name);
}
_columns.push_back(col);
return *col;
}
void TableSettings::OnColumnChanged(wxDataViewEvent& event)
{
Column *col = reinterpret_cast<Column*>(m_dvColumns->GetItemData( event.GetItem() ) );
if( col ) {
wxVariant val;
event.GetModel()->GetValue( val, event.GetItem(), event.GetColumn() );
if( ! val.IsNull() ) {
switch( event.GetColumn() ) {
case 0: {
// rename local columns in keys
SerializableList keys;
GetConstraints( keys, col->GetName() );
for(SerializableList::iterator it = keys.begin(); it != keys.end(); ++it ) {
Constraint *key = (Constraint*) *it;
if( key->GetType() == Constraint::primaryKey ) key->SetName( wxT("PK_") + val.GetString() );
key->SetLocalColumn( val.GetString() );
}
// rename table column
col->SetName( val.GetString() );
break;
}
case 1: {
col->SetType( m_pDbAdapter->GetDbTypeByName( val.GetString() ) );
break;
}
case 2: {
long s1, s2;
s1 = s2 = 0;
wxSscanf( val.GetString(), wxT("%ld,%ld"), &s1, &s2 );
IDbType *type = col->GetType();
if( type->HaveSize() ) type->SetSize( s1 );
else {
m_infobar->ShowMessage( wxT("This data type doesn't support size definition."), wxICON_WARNING );
Refresh();
}
if( type->HaveSize2() ) type->SetSize2( s1 );
else {
m_infobar->ShowMessage( wxT("This data type doesn't support size definition."), wxICON_WARNING );
Refresh();
}
break;
}
case 3: {
IDbType *type = col->GetType();
if( type->HaveNotNull() ) type->SetNotNull( val.GetBool() );
else {
m_infobar->ShowMessage( wxT("This data type doesn't support NOT NULL feature."), wxICON_WARNING );
Refresh();
}
break;
}
case 4: {
IDbType *type = col->GetType();
if( type->HaveAutoIncrement() ) type->SetAutoIncrement( val.GetBool() );
else {
m_infobar->ShowMessage( wxT("This data type doesn't support AUTOINCREMENT feature."), wxICON_WARNING );
Refresh();
}
break;
}
case 5: {
Constraint *key = GetConstraint( Constraint::primaryKey, col->GetName() );
if( key ) {
// remove primary key if exists
m_lstKeys.DeleteObject( key );
delete key;
} else {
// create new primary key
key = new Constraint( wxT("PK_") + col->GetName(),
col->GetName(),
Constraint::primaryKey,
Constraint::noAction,
Constraint::noAction );
m_lstKeys.Append( key );
}
break;
}
}
}
}
event.Skip();
UpdateView();
}