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//////////////////////////////////////////////////////////////////////////
//
// pgAdmin III - PostgreSQL Tools
//
// Copyright (C) 2002 - 2014, The pgAdmin Development Team
// This software is released under the PostgreSQL Licence
//
// dlgCast.cpp - PostgreSQL Operator Property
//
//////////////////////////////////////////////////////////////////////////
// wxWindows headers
#include <wx/wx.h>
// App headers
#include "pgAdmin3.h"
#include "utils/misc.h"
#include "utils/pgDefs.h"
#include "dlg/dlgCast.h"
#include "schema/pgCast.h"
#include "schema/pgDatatype.h"
// pointer to controls
#define txtCastname CTRL_TEXT("txtCastname")
#define cbSourceType CTRL_COMBOBOX2("cbSourceType")
#define cbTargetType CTRL_COMBOBOX2("cbTargetType")
#define cbFunction CTRL_COMBOBOX("cbFunction")
#define chkImplicit CTRL_CHECKBOX("chkImplicit")
#define stComment CTRL_STATIC("stComment")
dlgProperty *pgCastFactory::CreateDialog(frmMain *frame, pgObject *node, pgObject *parent)
{
return new dlgCast(this, frame, (pgCast *)node);
}
BEGIN_EVENT_TABLE(dlgCast, dlgTypeProperty)
EVT_TEXT(XRCID("cbSourceType"), dlgCast::OnChangeTypeSrc)
EVT_COMBOBOX(XRCID("cbSourceType"), dlgProperty::OnChange)
EVT_TEXT(XRCID("cbTargetType"), dlgCast::OnChangeTypeTrg)
EVT_COMBOBOX(XRCID("cbTargetType"), dlgProperty::OnChange)
END_EVENT_TABLE();
dlgCast::dlgCast(pgaFactory *f, frmMain *frame, pgCast *node)
: dlgTypeProperty(f, frame, wxT("dlgCast"))
{
cast = node;
txtCastname->Disable();
}
pgObject *dlgCast::GetObject()
{
return cast;
}
int dlgCast::Go(bool modal)
{
if (!connection->BackendMinimumVersion(7, 5))
txtComment->Disable();
if (cast)
{
// edit mode
cbSourceType->Append(cast->GetSourceType());
cbSourceType->SetSelection(0);
cbSourceType->Disable();
cbTargetType->Append(wxEmptyString);
cbTargetType->Append(cast->GetTargetType());
cbTargetType->SetSelection(1);
cbTargetType->Disable();
AddType(wxT(" "), cast->GetSourceTypeOid());
AddType(wxT(" "), cast->GetTargetTypeOid());
cbFunction->Append(cast->GetCastFunction());
cbFunction->SetSelection(0);
cbFunction->Disable();
chkImplicit->Disable();
}
else
{
// create mode
FillDatatype(cbSourceType, cbTargetType, false);
}
return dlgProperty::Go(modal);
}
pgObject *dlgCast::CreateObject(pgCollection *collection)
{
pgObject *obj = castFactory.CreateObjects(collection, 0,
wxT(" WHERE castsource = ") + GetTypeOid(cbSourceType->GetGuessedSelection()) +
wxT("\n AND casttarget = ") + GetTypeOid(cbTargetType->GetGuessedSelection()));
return obj;
}
void dlgCast::CheckChange()
{
if (cast)
{
EnableOK(txtComment->GetValue() != cast->GetComment());
}
else
{
bool enable = true;
CheckValid(enable, cbSourceType->GetGuessedSelection() > 0, _("Please specify source datatype."));
CheckValid(enable, cbTargetType->GetGuessedSelection() > 0, _("Please select target datatype."));
if (enable)
txtCastname->SetValue(cbSourceType->GetValue() + wxT(" -> ") + cbTargetType->GetValue());
else
txtCastname->SetValue(wxEmptyString);
EnableOK(enable);
}
}
void dlgCast::OnChangeTypeSrc(wxCommandEvent &ev)
{
cbSourceType->GuessSelection(ev);
OnChangeType(ev);
}
void dlgCast::OnChangeTypeTrg(wxCommandEvent &ev)
{
cbTargetType->GuessSelection(ev);
OnChangeType(ev);
}
void dlgCast::OnChangeType(wxCommandEvent &ev)
{
functions.Clear();
cbFunction->Clear();
if (cbSourceType->GetGuessedSelection() > 0 && cbTargetType->GetGuessedSelection() > 0)
{
functions.Add(wxEmptyString);
cbFunction->Append(wxT(" "));
wxString qry =
wxT("SELECT proname, nspname\n")
wxT(" FROM pg_proc p\n")
wxT(" JOIN pg_namespace n ON n.oid=pronamespace\n")
wxT(" WHERE proargtypes[0] = ")
+ GetTypeOid(cbSourceType->GetGuessedSelection())
+ wxT("\n AND proargtypes[1] = 0")
wxT("\n AND prorettype = ")
+ GetTypeOid(cbTargetType->GetGuessedSelection());
pgSet *set = connection->ExecuteSet(qry);
if (set)
{
while (!set->Eof())
{
functions.Add(database->GetQuotedSchemaPrefix(set->GetVal(wxT("nspname"))) + qtIdent(set->GetVal(wxT("proname"))));
cbFunction->Append(database->GetSchemaPrefix(set->GetVal(wxT("nspname"))) + set->GetVal(wxT("proname")));
set->MoveNext();
}
delete set;
}
}
CheckChange();
}
wxString dlgCast::GetSql()
{
wxString sql;
if (cast)
{
// edit mode
}
else
{
// create mode
sql = wxT("CREATE CAST (") + cbSourceType->GetValue()
+ wxT(" AS ") + cbTargetType->GetValue()
+ wxT(")\n ");
if (cbFunction->GetCurrentSelection() > 0)
sql += wxT("WITH FUNCTION ") + functions.Item(cbFunction->GetCurrentSelection())
+ wxT("(") + cbSourceType->GetValue() + wxT(")");
else
sql += wxT("WITHOUT FUNCTION");
if (chkImplicit->GetValue())
sql += wxT("\n AS IMPLICIT");
sql += wxT(";\n");
}
AppendComment(sql, wxT("CAST (") + cbSourceType->GetValue()
+ wxT(" AS ") + cbTargetType->GetValue() + wxT(")"), cast);
return sql;
}
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