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/*****
*
* TOra - An Oracle Toolkit for DBA's and developers
* Copyright (C) 2003-2005 Quest Software, Inc
* Portions Copyright (C) 2005 Other Contributors
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; only version 2 of
* the License is valid for this program.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* As a special exception, you have permission to link this program
* with the Oracle Client libraries and distribute executables, as long
* as you follow the requirements of the GNU GPL in regard to all of the
* software in the executable aside from Oracle client libraries.
*
* Specifically you are not permitted to link this program with the
* Qt/UNIX, Qt/Windows or Qt Non Commercial products of TrollTech.
* And you are not permitted to distribute binaries compiled against
* these libraries without written consent from Quest Software, Inc.
* Observe that this does not disallow linking to the Qt Free Edition.
*
* You may link this product with any GPL'd Qt library such as Qt/Free
*
* All trademarks belong to their respective owners.
*
*****/
#include "utils.h"
#include "toconf.h"
#include "toconnection.h"
#include "tonoblockquery.h"
#include "toresultpie.h"
#include "tosql.h"
#include "toresultpie.moc"
toResultPie::toResultPie(QWidget *parent, const char *name)
: toPieChart(parent, name)
{
Query = NULL;
Columns = 0;
connect(&Poll, SIGNAL(timeout()), this, SLOT(poll()));
Started = false;
LabelFirst = false;
}
void toResultPie::start(void)
{
if (!Started)
{
try
{
connect(timer(), SIGNAL(timeout()), this, SLOT(refresh()));
}
TOCATCH
Started = true;
}
}
void toResultPie::stop(void)
{
if (Started)
{
try
{
disconnect(timer(), SIGNAL(timeout()), this, SLOT(refresh()));
}
TOCATCH
Started = false;
}
}
void toResultPie::query(const QString &sql, const toQList ¶m)
{
if (!handled() || Query)
return ;
start();
if (!setSQLParams(sql, param))
return ;
try
{
Query = new toNoBlockQuery(connection(), toQuery::Background, sql, param);
Poll.start(100);
}
TOCATCH
}
void toResultPie::poll(void)
{
try
{
if (Query && Query->poll())
{
if (!Columns)
Columns = Query->describe().size();
while (Query->poll() && !Query->eof())
{
QString val;
QString lab;
if (Columns > 1)
{
if (LabelFirst)
{
lab = Query->readValueNull();
val = Query->readValueNull();
}
else
{
val = Query->readValueNull();
lab = Query->readValueNull();
}
for (int i = 2;i < Columns;i++)
Query->readValueNull();
}
else
val = Query->readValueNull();
if (!Filter.isEmpty() && !Filter.exactMatch(lab))
continue;
if (!ValueFilter.isEmpty() && !ValueFilter.exactMatch(val))
continue;
Values.insert(Values.end(), val.toDouble());
if (Columns > 1)
Labels.insert(Labels.end(), lab);
}
if (Query->eof())
{
setValues(Values, Labels);
Values.clear();
Labels.clear();
delete Query;
Query = NULL;
Columns = 0;
Poll.stop();
}
}
}
catch (const QString &exc)
{
delete Query;
Query = NULL;
Poll.stop();
toStatusMessage(exc);
}
}
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