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/***************************************************************************
* Copyright (C) 2007 Nicolas Hadacek <hadacek@kde.org> *
* *
* 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; either version 2 of the License, or *
* (at your option) any later version. *
***************************************************************************/
#include "progress_monitor.h"
ProgressMonitor::ProgressMonitor(QObject* parent)
: QObject(parent, "progress_monitor")
{
_current = _tasks.end();
}
void ProgressMonitor::clear()
{
_tasks.clear();
_current = _tasks.end();
emit showProgress(false);
}
void ProgressMonitor::appendTask(const QString &label, uint nbSteps)
{
Task task;
task.label = label;
task.nbSteps = nbSteps;
task.nbDoneSteps = 0;
_tasks.append(task);
}
void ProgressMonitor::insertTask(const QString &label, uint nbSteps)
{
Task task;
task.label = label;
task.nbSteps = nbSteps;
task.nbDoneSteps = 0;
if ( _current==_tasks.end() ) _current = _tasks.prepend(task);
else _current = _tasks.insert(_current, task);
update();
}
uint ProgressMonitor::nbSteps() const
{
uint nb = 0;
for (uint i=0; i<uint(_tasks.count()); i++) nb += _tasks[i].nbSteps;
return nb;
}
uint ProgressMonitor::nbDoneSteps() const
{
uint nb = 0;
for (uint i=0; i<uint(_tasks.count()); i++) nb += _tasks[i].nbDoneSteps;
return nb;
}
void ProgressMonitor::update()
{
QString label = (_current==_tasks.end() ? QString::null : (*_current).label);
emit setLabel(label);
emit setTotalProgress(nbSteps());
emit setProgress(nbDoneSteps());
emit showProgress(true);
}
void ProgressMonitor::startNextTask()
{
if ( _current==_tasks.end() ) _current = _tasks.begin();
else ++_current;
Q_ASSERT( _current!=_tasks.end() ) ;
update();
}
void ProgressMonitor::addTaskProgress(uint nbSteps)
{
Q_ASSERT( _current!=_tasks.end() ) ;
if ( _current==_tasks.end() ) return;
uint nb = (*_current).nbDoneSteps + nbSteps;
Q_ASSERT( nb<=(*_current).nbSteps );
if ( nb>(*_current).nbSteps ) qDebug("%s %i+%i > %i", (*_current).label.latin1(), (*_current).nbDoneSteps, nbSteps, (*_current).nbSteps);
(*_current).nbDoneSteps = QMIN(nb, (*_current).nbSteps);
update();
}
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