pgadmin3/dlg/dlgForeignDataWrapper.cpp
2020-07-07 22:19:12 +05:00

400 lines
10 KiB
C++

//////////////////////////////////////////////////////////////////////////
//
// pgAdmin III - PostgreSQL Tools
//
// Copyright (C) 2002 - 2016, The pgAdmin Development Team
// This software is released under the PostgreSQL Licence
//
// dlgForeignDataWrapper.cpp - PostgreSQL ForeignDataWrapper Property
//
//////////////////////////////////////////////////////////////////////////
// wxWindows headers
#include <wx/wx.h>
// App headers
#include "pgAdmin3.h"
#include "utils/misc.h"
#include "utils/pgDefs.h"
#include "dlg/dlgForeignDataWrapper.h"
#include "schema/pgForeignDataWrapper.h"
// pointer to controls
#define cbHandler CTRL_COMBOBOX("cbHandler")
#define cbValidator CTRL_COMBOBOX("cbValidator")
#define lstOptions CTRL_LISTVIEW("lstOptions")
#define txtOption CTRL_TEXT("txtOption")
#define txtValue CTRL_TEXT("txtValue")
#define btnAdd CTRL_BUTTON("wxID_ADD")
#define btnRemove CTRL_BUTTON("wxID_REMOVE")
dlgProperty *pgForeignDataWrapperFactory::CreateDialog(frmMain *frame, pgObject *node, pgObject *parent)
{
return new dlgForeignDataWrapper(this, frame, (pgForeignDataWrapper *)node);
}
BEGIN_EVENT_TABLE(dlgForeignDataWrapper, dlgSecurityProperty)
EVT_TEXT(XRCID("cbHandler"), dlgProperty::OnChange)
EVT_COMBOBOX(XRCID("cbHandler"), dlgProperty::OnChange)
EVT_TEXT(XRCID("cbValidator"), dlgProperty::OnChange)
EVT_COMBOBOX(XRCID("cbValidator"), dlgProperty::OnChange)
EVT_LIST_ITEM_SELECTED(XRCID("lstOptions"), dlgForeignDataWrapper::OnSelChangeOption)
EVT_TEXT(XRCID("txtOption"), dlgForeignDataWrapper::OnChangeOptionName)
EVT_BUTTON(wxID_ADD, dlgForeignDataWrapper::OnAddOption)
EVT_BUTTON(wxID_REMOVE, dlgForeignDataWrapper::OnRemoveOption)
END_EVENT_TABLE();
dlgForeignDataWrapper::dlgForeignDataWrapper(pgaFactory *f, frmMain *frame, pgForeignDataWrapper *node)
: dlgSecurityProperty(f, frame, node, wxT("dlgForeignDataWrapper"), wxT("USAGE"), "U")
{
fdw = node;
}
pgObject *dlgForeignDataWrapper::GetObject()
{
return fdw;
}
int dlgForeignDataWrapper::Go(bool modal)
{
wxString val;
if(!connection->BackendMinimumVersion(9, 1))
cbHandler->Disable();
// Fill handler combobox
cbHandler->Append(wxT(""));
pgSet *set = connection->ExecuteSet(
wxT("SELECT nspname, proname\n")
wxT(" FROM pg_proc p\n")
wxT(" JOIN pg_namespace nsp ON nsp.oid=pronamespace\n")
wxT(" WHERE pronargs=0")
wxT(" AND prorettype=") + NumToStr(PGOID_TYPE_HANDLER));
if (set)
{
while (!set->Eof())
{
wxString procname = database->GetSchemaPrefix(set->GetVal(wxT("nspname"))) + set->GetVal(wxT("proname"));
cbHandler->Append(procname);
set->MoveNext();
}
delete set;
}
cbHandler->SetSelection(0);
// Fill validator combobox
cbValidator->Append(wxT(""));
set = connection->ExecuteSet(
wxT("SELECT nspname, proname\n")
wxT(" FROM pg_proc p\n")
wxT(" JOIN pg_namespace nsp ON nsp.oid=pronamespace\n")
wxT(" WHERE proargtypes[0]=") + NumToStr(PGOID_TYPE_TEXT_ARRAY) +
wxT(" AND proargtypes[1]=") + NumToStr(PGOID_TYPE_OID));
if (set)
{
while (!set->Eof())
{
wxString procname = database->GetSchemaPrefix(set->GetVal(wxT("nspname"))) + set->GetVal(wxT("proname"));
cbValidator->Append(procname);
set->MoveNext();
}
delete set;
}
cbValidator->SetSelection(0);
// Initialize options listview and buttons
lstOptions->AddColumn(_("Option"), 80);
lstOptions->AddColumn(_("Value"), 40);
txtOption->SetValue(wxT(""));
txtValue->SetValue(wxT(""));
btnAdd->Disable();
btnRemove->Disable();
if (fdw)
{
// edit mode
txtName->Enable(connection->BackendMinimumVersion(9, 2));
val = fdw->GetHandlerProc();
if (!val.IsEmpty())
{
for (unsigned int i = 0 ; i < cbHandler->GetCount() ; i++)
{
if (cbHandler->GetString(i) == val)
cbHandler->SetSelection(i);
}
}
val = fdw->GetValidatorProc();
if (!val.IsEmpty())
{
for (unsigned int i = 0 ; i < cbValidator->GetCount() ; i++)
{
if (cbValidator->GetString(i) == val)
cbValidator->SetSelection(i);
}
}
wxString options = fdw->GetOptions();
wxString option, optionname, optionvalue;
while (options.Length() > 0)
{
option = options.BeforeFirst(',');
optionname = option.BeforeFirst(wxT('=')).Trim(false).Trim();
optionvalue = option.AfterFirst(wxT('=')).Trim(false).Trim();
lstOptions->AppendItem(optionname, optionvalue);
options = options.AfterFirst(',');
}
}
else
{
// create mode
}
return dlgSecurityProperty::Go(modal);
}
pgObject *dlgForeignDataWrapper::CreateObject(pgCollection *collection)
{
wxString name = txtName->GetValue();
pgObject *obj = foreignDataWrapperFactory.CreateObjects(collection, 0, wxT("\n AND fdwname ILIKE ") + qtDbString(name));
return obj;
}
void dlgForeignDataWrapper::CheckChange()
{
bool didChange = true;
wxString name = txtName->GetValue();
if (fdw)
{
didChange = name != fdw->GetName()
|| cbOwner->GetValue() != fdw->GetOwner()
|| txtComment->GetValue() != fdw->GetComment()
|| cbHandler->GetValue() != fdw->GetHandlerProc()
|| cbValidator->GetValue() != fdw->GetValidatorProc()
|| GetOptionsSql().Length() > 0;
EnableOK(didChange);
}
else
{
bool enable = true;
CheckValid(enable, !name.IsEmpty(), _("Please specify name."));
EnableOK(enable);
}
}
void dlgForeignDataWrapper::OnChangeOptionName(wxCommandEvent &ev)
{
btnAdd->Enable(txtOption->GetValue().Length() > 0);
}
void dlgForeignDataWrapper::OnSelChangeOption(wxListEvent &ev)
{
int row = lstOptions->GetSelection();
if (row >= 0)
{
txtOption->SetValue(lstOptions->GetText(row, 0));
txtValue->SetValue(lstOptions->GetText(row, 1));
}
btnRemove->Enable(row >= 0);
}
void dlgForeignDataWrapper::OnAddOption(wxCommandEvent &ev)
{
bool found = false;
for (int pos = 0 ; pos < lstOptions->GetItemCount() ; pos++)
{
if (lstOptions->GetText(pos).IsSameAs(txtOption->GetValue(), false))
{
lstOptions->SetItem(pos, 1, txtValue->GetValue());
found = true;
break;
}
}
if (!found)
{
lstOptions->AppendItem(txtOption->GetValue(), txtValue->GetValue());
}
txtOption->SetValue(wxT(""));
txtValue->SetValue(wxT(""));
btnAdd->Disable();
CheckChange();
}
void dlgForeignDataWrapper::OnRemoveOption(wxCommandEvent &ev)
{
int sel = lstOptions->GetSelection();
lstOptions->DeleteItem(sel);
txtOption->SetValue(wxT(""));
txtValue->SetValue(wxT(""));
btnRemove->Disable();
CheckChange();
}
wxString dlgForeignDataWrapper::GetOptionsSql()
{
wxString options = fdw->GetOptions();
wxString option, optionname, optionvalue, sqloptions;
bool found;
int pos;
while (options.Length() > 0)
{
option = options.BeforeFirst(',');
optionname = option.BeforeFirst(wxT('=')).Trim(false).Trim();
optionvalue = option.AfterFirst(wxT('=')).Trim(false).Trim();
// check for options
found = false;
for (pos = 0 ; pos < lstOptions->GetItemCount() && !found; pos++)
{
found = lstOptions->GetText(pos, 0).Cmp(optionname) == 0;
if (found) break;
}
if (found)
{
if (lstOptions->GetText(pos, 1).Cmp(optionvalue) != 0)
{
if (sqloptions.Length() > 0)
sqloptions += wxT(", ");
sqloptions += wxT("SET ") + optionname + wxT(" '") + lstOptions->GetText(pos, 1) + wxT("'");
}
}
else
{
if (sqloptions.Length() > 0)
sqloptions += wxT(", ");
sqloptions += wxT("DROP ") + optionname;
}
options = options.AfterFirst(',');
}
for (pos = 0 ; pos < lstOptions->GetItemCount() ; pos++)
{
options = fdw->GetOptions();
found = false;
while (options.Length() > 0 && !found)
{
option = options.BeforeFirst(',');
optionname = option.BeforeFirst(wxT('=')).Trim(false).Trim();
found = lstOptions->GetText(pos, 0).Cmp(optionname) == 0;
options = options.AfterFirst(',');
}
if (!found)
{
optionvalue = option.AfterFirst(wxT('=')).Trim(false).Trim();
if (sqloptions.Length() > 0)
sqloptions += wxT(", ");
sqloptions += wxT("ADD ") + lstOptions->GetText(pos, 0) + wxT(" '") + lstOptions->GetText(pos, 1) + wxT("'");
}
}
return sqloptions;
}
wxString dlgForeignDataWrapper::GetSql()
{
wxString sql, name;
name = txtName->GetValue();
if (fdw)
{
// edit mode
sql = wxEmptyString;
AppendNameChange(sql);
if (cbHandler->GetValue() != fdw->GetHandlerProc())
{
if (cbHandler->GetValue().IsEmpty())
sql += wxT("ALTER FOREIGN DATA WRAPPER ") + qtIdent(name)
+ wxT("\n NO HANDLER;\n");
else
sql += wxT("ALTER FOREIGN DATA WRAPPER ") + qtIdent(name)
+ wxT("\n HANDLER ") + qtIdent(cbHandler->GetValue())
+ wxT(";\n");
}
if (cbValidator->GetValue() != fdw->GetValidatorProc())
{
if (cbValidator->GetValue().IsEmpty())
sql += wxT("ALTER FOREIGN DATA WRAPPER ") + qtIdent(name)
+ wxT("\n NO VALIDATOR;\n");
else
sql += wxT("ALTER FOREIGN DATA WRAPPER ") + qtIdent(name)
+ wxT("\n VALIDATOR ") + qtIdent(cbValidator->GetValue())
+ wxT(";\n");
}
wxString sqloptions = GetOptionsSql();
if (sqloptions.Length() > 0)
{
sql += wxT("ALTER FOREIGN DATA WRAPPER ") + name
+ wxT(" OPTIONS (") + sqloptions + wxT(");");
}
AppendOwnerChange(sql, wxT("FOREIGN DATA WRAPPER ") + qtIdent(name));
}
else
{
// create mode
sql = wxT("CREATE FOREIGN DATA WRAPPER ") + qtIdent(name);
AppendIfFilled(sql, wxT("\n HANDLER "), qtIdent(cbHandler->GetValue()));
AppendIfFilled(sql, wxT("\n VALIDATOR "), qtIdent(cbValidator->GetValue()));
// check for options
if (lstOptions->GetItemCount() > 0)
{
wxString options = wxEmptyString;
for (int pos = 0 ; pos < lstOptions->GetItemCount() ; pos++)
{
if (options.Length() > 0)
options += wxT(", ");
options += lstOptions->GetText(pos, 0)
+ wxT(" '") + lstOptions->GetText(pos, 1) + wxT("' ");
}
sql += wxT("\n OPTIONS (") + options + wxT(")");
}
sql += wxT(";\n");
AppendOwnerNew(sql, wxT("FOREIGN DATA WRAPPER ") + qtIdent(name));
}
sql += GetGrant(wxT("U"), wxT("FOREIGN DATA WRAPPER ") + qtIdent(name));
AppendComment(sql, wxT("FOREIGN DATA WRAPPER"), 0, fdw);
return sql;
}