File: dlgRepSequence.cpp

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//////////////////////////////////////////////////////////////////////////
//
// pgAdmin III - PostgreSQL Tools
//
// Copyright (C) 2002 - 2014, The pgAdmin Development Team
// This software is released under the PostgreSQL Licence
//
// dlgRepSequence.cpp - PostgreSQL Slony-I Sequence Property
//
//////////////////////////////////////////////////////////////////////////

// wxWindows headers
#include <wx/wx.h>

// App headers
#include "pgAdmin3.h"

#include "slony/dlgRepSequence.h"
#include "slony/slCluster.h"
#include "slony/slSet.h"
#include "slony/slSequence.h"
#include "schema/pgDatatype.h"


// pointer to controls
#define txtID               CTRL_TEXT("txtID")
#define cbSequence          CTRL_COMBOBOX2("cbSequence")



BEGIN_EVENT_TABLE(dlgRepSequence, dlgProperty)
	EVT_TEXT(XRCID("txtID"),                dlgRepSequence::OnChange)
	EVT_TEXT(XRCID("cbSequence"),           dlgRepSequence::OnChange)
	EVT_COMBOBOX(XRCID("cbSequence"),       dlgRepSequence::OnChangeSel)
	EVT_TEXT(XRCID("cbSequence"),           dlgRepSequence::OnChange)
END_EVENT_TABLE();

dlgProperty *slSlSequenceFactory::CreateDialog(frmMain *frame, pgObject *node, pgObject *parent)
{
	return new dlgRepSequence(this, frame, (slSequence *)node, (slSet *)parent);
}


dlgRepSequence::dlgRepSequence(pgaFactory *f, frmMain *frame, slSequence *node, slSet *s)
	: dlgRepProperty(f, frame, s->GetCluster(), wxT("dlgRepSequence"))
{
	sequence = node;
	set = s;
}


pgObject *dlgRepSequence::GetObject()
{
	return sequence;
}


int dlgRepSequence::Go(bool modal)
{
	txtID->SetValidator(numericValidator);

	if (sequence)
	{
		// edit mode
		cbSequence->Append(sequence->GetName());
		cbSequence->SetSelection(0);

		txtID->SetValue(NumToStr(sequence->GetSlId()));

		cbSequence->Disable();
		txtComment->Disable();
		txtID->Disable();
	}
	else
	{
		// create mode

		wxString restriction;
		if (!settings->GetShowSystemObjects())
			restriction = wxT("\n   AND ") + connection->SystemNamespaceRestriction(wxT("nspname"));

		pgSet *tabs = connection->ExecuteSet(
		                  wxT("SELECT DISTINCT cl.oid, nspname, relname\n")
		                  wxT("  FROM pg_class cl\n")
		                  wxT("  JOIN pg_namespace nsp ON relnamespace=nsp.oid\n")
		                  wxT("  LEFT JOIN ") + cluster->GetSchemaPrefix() + wxT("sl_sequence s ON s.seq_reloid=cl.oid\n")
		                  wxT("  WHERE s.seq_id IS NULL AND cl.relkind = 'S'") + restriction + wxT("\n")
		                  wxT(" ORDER BY nspname, relname")
		              );

		if (tabs)
		{
			while (!tabs->Eof())
			{
				cbSequence->Append(tabs->GetVal(wxT("nspname")) + wxT(".") + tabs->GetVal(wxT("relname")),
				                   (void *)tabs->GetOid(wxT("oid")));
				tabs->MoveNext();
			}
			delete tabs;
		}
	}

	return dlgProperty::Go(modal);
}


pgObject *dlgRepSequence::CreateObject(pgCollection *collection)
{
	pgObject *obj = slSequenceFactory.CreateObjects(collection, 0,
	                wxT(" WHERE seq_reloid = ") + NumToStr((OID)cbSequence->wxItemContainer::GetClientData(cbSequence->GetGuessedSelection())));

	return obj;
}


void dlgRepSequence::OnChangeSel(wxCommandEvent &ev)
{
	cbSequence->GuessSelection(ev);
	OnChange(ev);
}


void dlgRepSequence::CheckChange()
{
	if (sequence)
	{
		EnableOK(txtComment->GetValue() != sequence->GetComment());
	}
	else
	{
		bool enable = true;
		CheckValid(enable, cbSequence->GetGuessedSelection() >= 0, _("Please select sequence to replicate."));

		EnableOK(enable);
	}
}



wxString dlgRepSequence::GetSql()
{
	wxString sql;

	if (sequence)
	{
		// edit mode
	}
	else
	{
		// create mode

		sql = wxT("SELECT ") + cluster->GetSchemaPrefix() + wxT("setaddsequence(")
		      + NumToStr(set->GetSlId()) + wxT(", ");

		if (StrToLong(txtID->GetValue()) > 0)
			sql += txtID->GetValue();
		else
			sql += wxT("(SELECT COALESCE(MAX(seq_id), 0) + 1 FROM ") + cluster->GetSchemaPrefix() + wxT("sl_sequence)");

		sql += wxT(", ") + qtDbString(cbSequence->GetGuessedStringSelection())
		       +  wxT(", ") + qtDbString(txtComment->GetValue())
		       + wxT(")\n");
	}

	return sql;
}