/**
* @param FusionCharts_Tag_TrendLines $trendLines
* @return FusionCharts_Chart_ColumnLine
*/
public function addTrendLines(FusionCharts_Tag_TrendLines $trendLines)
{
$this->trendLines[] = $trendLines->getXML();
return $this;
}
// Data from db
$months = array('Jan', 'Feb', 'Mar', 'Apr');
$valLine1 = array(100, 200, 150, 210);
$valLine2 = array(50, 300, 90, 400);
$pathJS = 'fusion-charts/' . FusionCharts_Chart_Line::JS_NAME;
$pathSWF = 'fusion-charts/' . FusionCharts_Chart_Line::SWF_NAME;
$chart = new FusionCharts_Chart_Line($pathSWF, $pathJS);
$categories = new FusionCharts_Tag_Categories();
foreach ($months as $month) {
$category = new FusionCharts_Tag_Category($month);
$categories->addCategory($category);
}
$line1 = new FusionCharts_Tag_DataSet();
foreach ($valLine1 as $value) {
$line = new FusionCharts_Tag_Set($value);
$line1->addSet($line);
}
$line2 = new FusionCharts_Tag_DataSet();
foreach ($valLine2 as $value) {
$line = new FusionCharts_Tag_Set($value);
$line2->addSet($line);
}
$trendLine1 = new FusionCharts_Tag_Line();
$trendLine1->setValue(250)->setColor('FF0000')->setDisplayValue('Trendline1 Example: 250')->setValueOnRight();
$trendLine2 = clone $trendLine1;
$trendLine2->setValue(390)->setDisplayValue('Trendline2 Example: 390');
$trendLines = new FusionCharts_Tag_TrendLines();
$trendLines->addLine($trendLine1)->addLine($trendLine2);
$chart->setName('Line Chart Example')->setWidth(800)->setHeight(400)->setAttribute('showvalues', '0')->setLabelRotate(true)->addCategories($categories)->addLine($line1)->addLine($line2)->addTrendLines($trendLines);
echo $chart->render();
