private function createBarGraph($xdata, $data1, $ytitle)
{
// Create the graph.
$graph = new Graph($this->width, $this->height, "auto");
$graph->SetScale("textlin");
$graph->title->SetFont(FF_FONT1, FS_BOLD);
$graph->SetFrame(false);
if ($this->shadow) {
$graph->SetShadow();
}
// Create the bar plot
$arrPos = array();
$arrNeg = array();
foreach ($data1 as &$value) {
if ($value >= 0) {
array_push($arrPos, $value);
array_push($arrNeg, 0);
} else {
array_push($arrPos, 0);
array_push($arrNeg, $value);
}
}
$bplotPos = new BarPlot($arrPos);
// First group positive
$bplotPos->SetFillColor('#ababab');
// color for positive '#ababab' Kulturplanner #8aa571
$bplotNeg = new BarPlot($arrNeg);
// second group negative
$bplotNeg->SetFillColor("#cc00cc");
//color for negative prologiq "#cc00cc"
$gbplot = new AccBarPlot(array($bplotPos, $bplotNeg));
$gbplot->value->Show();
$gbplot->value->SetFormat('%d');
$gbplot->value->SetColor("black");
$gbplot->SetValuePos('center');
//$gbplot->SetLegend(Prado::localize($this->legend));
// ... and add it to the graph
$graph->Add($gbplot);
$graph->xaxis->title->Set($this->title);
$graph->xaxis->SetTickLabels($xdata);
$graph->xaxis->title->SetFont(FF_FONT1, FS_BOLD);
$graph->yaxis->title->Set($ytitle);
$graph->yaxis->title->SetFont(FF_FONT1, FS_BOLD);
$graph->yaxis->SetLabelMargin(5);
$graph->yaxis->scale->SetGrace(10);
$graph->yaxis->HideZeroLabel();
$graph->ygrid->SetFill(true, '#f2f2f2@0.6', '#cacaca@0.6');
return $graph;
}
