protected function draw()
{
$this->choosePalette('diem');
$this->setColorPalette(1, 140, 140, 200);
$this->setColorPalette(0, 140, 200, 140);
$dataSet = new dmChartData();
$dataSet->AddPoint($this->data['pageviews'], 'pageviews');
$dataSet->AddPoint($this->data['visitors'], 'visitors');
$dataSet->AddPoint($this->data['dates'], 'dates');
$dataSet->SetAbsciseLabelSerie("dates");
$dataSet->SetSerieName($this->getI18n()->__('Pages per week'), "pageviews");
$dataSet->SetSerieName($this->getI18n()->__('Visitors per week'), "visitors");
// Prepare the graph area
$this->setGraphArea(80, 10, $this->getWidth() - 80, $this->getHeight() - 20);
$this->drawGraphArea(255, 255, 255);
// Draw the pageviews graph
$dataSet->AddSerie("pageviews");
$dataSet->SetYAxisName($this->getI18n()->__('Pages per month'));
$this->drawScale($dataSet->GetData(), $dataSet->GetDataDescription(), SCALE_START0, self::$colors['grey2'][0], self::$colors['grey2'][1], self::$colors['grey2'][2], TRUE, 0, 0, false, 2);
$this->drawGrid(4, TRUE, self::$colors['grey1'][0], self::$colors['grey1'][1], self::$colors['grey1'][2]);
$this->setShadowProperties(3, 3, 0, 0, 0, 30, 4);
$this->drawCubicCurve($dataSet->GetData(), $dataSet->GetDataDescription());
$this->clearShadow();
$this->drawFilledCubicCurve($dataSet->GetData(), $dataSet->GetDataDescription(), 0.1, 30);
$this->drawPlotGraph($dataSet->GetData(), $dataSet->GetDataDescription(), 3, 2, 255, 255, 255);
// Clear the scale
$this->clearScale();
// Draw the 2nd graph
$dataSet->RemoveAllSeries();
$dataSet->AddSerie("visitors");
$dataSet->SetYAxisName($this->getI18n()->__('Visitors per month'));
$this->drawRightScale($dataSet->GetData(), $dataSet->GetDataDescription(), SCALE_START0, self::$colors['grey2'][0], self::$colors['grey2'][1], self::$colors['grey2'][2], TRUE, 0, 0, false, 2);
$this->setShadowProperties(3, 3, 0, 0, 0, 30, 4);
$this->drawCubicCurve($dataSet->GetData(), $dataSet->GetDataDescription());
$this->clearShadow();
$this->drawFilledCubicCurve($dataSet->GetData(), $dataSet->GetDataDescription(), 0.1, 20);
$this->drawPlotGraph($dataSet->GetData(), $dataSet->GetDataDescription(), 3, 2, 255, 255, 255);
// Finish the graph
$this->drawLegend(85, 5, $dataSet->GetDataDescription(), 255, 255, 255);
}
