#include "waitingdialog.h"
#include "QBoxLayout"
#include <QProgressBar>
WaitingDialog::WaitingDialog(QWidget *parent)
	: QDialog(parent)
{
	m_ProgressBar = NULL;
	m_ProgressBar = new QProgressBar(this);
	m_CurrentValue = m_MaxValue = m_UpdateInterval = 0;
	m_ProgressBar->setRange(0, 100); 
	connect(&m_Timer, SIGNAL(timeout()), this, SLOT(UpdateSlot()));
	m_ProgressBar->setTextVisible(false);
	QHBoxLayout *layout = new QHBoxLayout;
	layout->addWidget(m_ProgressBar);
	setLayout(layout);
}

WaitingDialog::~WaitingDialog()
{
	if (m_ProgressBar)
	{
		delete m_ProgressBar;
		m_ProgressBar = NULL;
	}
}

void WaitingDialog::Start(int interval /*= 100*/, int maxValue /*= 100*/)
{
	m_UpdateInterval = interval;
	m_MaxValue = maxValue;
	m_CurrentValue = 0;
	if (m_Timer.isActive())
		m_Timer.stop();
	m_Timer.start(m_UpdateInterval);
	m_ProgressBar->setRange(0, m_MaxValue);
	m_ProgressBar->setValue(0);
}

void WaitingDialog::Stop()
{
	m_Timer.stop();
}

void WaitingDialog::UpdateSlot()
{
	m_CurrentValue++;
	if (m_CurrentValue == m_MaxValue)
		m_CurrentValue = 0;
	m_ProgressBar->setValue(m_CurrentValue);
}