//***************************************************************************
/*
* TOra - An Oracle Toolkit for DBA's and developers
* Copyright (C) 2003 Quest Software, Inc
*
* 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.
*
* All trademarks belong to their respective owners.
*
****************************************************************************/
#ifndef TORESULTBAR_H
#define TORESULTBAR_H
#include "tobackground.h"
#include "tobarchart.h"
#include "toresult.h"
#include <time.h>
#include <list>
class toNoBlockQuery;
class toSQL;
/** Display the result of a query in a piechart. The first column of the query should
* contain the x value and the rest of the columns should be values of the diagram. The
* legend is the column name. Connects to the tool timer for updates automatically.
*/
class toResultBar : public toBarChart, public toResult {
Q_OBJECT
/** Display flow in change per second instead of actual values.
*/
bool Flow;
bool Started;
/** Timestamp of last fetch.
*/
time_t LastStamp;
/** Last read values.
*/
std::list<double> LastValues;
bool First;
toNoBlockQuery *Query;
toBackground Poll;
unsigned int Columns;
void query(const QString &sql,const toQList ¶m,bool first);
public:
/** Create widget.
* @param parent Parent of list.
* @param name Name of widget.
*/
toResultBar(QWidget *parent,const char *name=NULL);
/** Destroy chart
*/
~toResultBar();
/** Stop automatic updating from tool timer.
*/
void stop();
/** Start automatic updating from tool timer.
*/
void start();
/** Display actual values or flow/s.
* @param on Display flow or absolute values.
*/
void setFlow(bool on)
{ Flow=on; }
/** Return if flow is displayed.
* @return If flow is used.
*/
bool flow(void)
{ return Flow; }
/** Reimplemented for internal reasons.
*/
virtual void query(const QString &sql,const toQList ¶m)
{ query(sql,param,true); }
/** Reimplemented for internal reasons.
*/
virtual void clear(void)
{ LastStamp=0; LastValues.clear(); toBarChart::clear(); }
/** Transform valueset. Make it possible to perform more complex transformation.
* called directly before adding the valueset to the chart. After flow transformation.
* Default is passthrough.
* @param input The untransformed valueset.
* @return The valueset actually added to the chart.
*/
virtual std::list<double> transform(std::list<double> &input);
/** Handle any connection
*/
virtual bool canHandle(toConnection &)
{ return true; }
// Why are these needed?
#if 1
/** Set the SQL statement of this list
* @param sql String containing statement.
*/
void setSQL(const QString &sql)
{ toResult::setSQL(sql); }
/** Set the SQL statement of this list. This will also affect @ref Name.
* @param sql SQL containing statement.
*/
void setSQL(const toSQL &sql)
{ toResult::setSQL(sql); }
/** Set new SQL and run query.
* @param sql New sql.
* @see setSQL
*/
void query(const QString &sql)
{ toResult::query(sql); }
/** Set new SQL and run query.
* @param sql New sql.
* @see setSQL
*/
void query(const toSQL &sql)
{ toResult::query(sql); }
/** Set new SQL and run query.
* @param sql New sql.
* @see setSQL
*/
void query(const toSQL &sql,toQList &par)
{ toResult::query(sql,par); }
#endif
public slots:
/** Reimplemented for internal reasons.
*/
virtual void refresh(void)
{ query(sql(),params(),false); }
/** Reimplemented for internal reasons.
*/
virtual void changeParams(const QString &Param1)
{ toResult::changeParams(Param1); }
/** Reimplemented For internal reasons.
*/
virtual void changeParams(const QString &Param1,const QString &Param2)
{ toResult::changeParams(Param1,Param2); }
/** Reimplemented for internal reasons.
*/
virtual void changeParams(const QString &Param1,const QString &Param2,const QString &Param3)
{ toResult::changeParams(Param1,Param2,Param3); }
protected slots:
/** Reimplemented for internal reasons.
*/
virtual void connectionChanged(void);
/** Reimplemented for internal reasons.
*/
virtual void addMenues(QPopupMenu *);
private slots:
void poll(void);
void editSQL(void);
};
#endif