private function strCreateJSDataArray()
{
$arrData = array();
if ($this->containsChartType(class_graph_jqplot_charttype::PIE) && $this->arrXAxisTickLabels != null) {
foreach ($this->arrSeriesData as $keySeries => $objSeriesData) {
$arrSeries = array();
$arrDataPointsTemp = $objSeriesData->getArrDataPoints();
foreach ($this->arrXAxisTickLabels as $keyLabel => $strLabelData) {
$arrSeries[] = array($strLabelData, $arrDataPointsTemp[$keyLabel]->getFloatValue());
}
$arrData[] = $arrSeries;
}
} else {
foreach ($this->arrSeriesData as $objSeriesData) {
$arrData[] = class_graph_commons::getDataPointFloatValues($objSeriesData->getArrDataPoints());
}
}
return json_encode($arrData);
}
/**
* Creates a new pie-chart. Pass the values as the first param. If
* you want to use a legend and / or Colors use the second and third param.
* Make sure the array have the same number of elements, ohterwise they won't
* be uses.
* A sample-code could be:
* $objChart = new class_graph();
* $objChart->setStrGraphTitle("Test Pie Chart");
*
* //simple array
* $objChart->createPieChart(array(2,6,7,3), array("val 1", "val 2", "val 3", "val 4"));
*
* //datapoints array
* $objDataPoint1 = new class_graph_datapoint(1);
* $objDataPoint2 = new class_graph_datapoint(2);
* $objDataPoint3 = new class_graph_datapoint(4);
* $objDataPoint4 = new class_graph_datapoint(5);
*
* //set action handler example
* $objDataPoint1->setObjActionHandler("<javascript code here>");
* $objDataPoint1->getObjActionHandlerValue("<value_object> e.g. some json");
*
* $objGraph->createPieChart(array($objDataPoint1, $objDataPoint2, $objDataPoint3, $objDataPoint4) , array("val 1", "val 2", "val 3", "val 4"), "serie 1");
*
*
* @param array $arrValues - an array with simple values or an array of data points (class_graph_datapoint).
* The advantage of a data points are that action handlers can be defined for each data point which will be executed when clicking on the data point in the chart.
* @param array $arrLegends
*
* @throws class_exception
* @return void
*/
public function createPieChart($arrValues, $arrLegends)
{
$arrDataPoints = class_graph_commons::convertArrValuesToDataPointArray($arrValues);
if ($this->intCurrentGraphMode > 0) {
throw new class_exception("Chart already initialized", class_exception::$level_ERROR);
}
$this->intCurrentGraphMode = $this->GRAPH_TYPE_PIE;
$strSerieName = generateSystemid();
$this->objDataset->AddPoint(class_graph_commons::getDataPointFloatValues($arrDataPoints), $strSerieName);
$this->objDataset->AddSerie($strSerieName);
$strSerieName = generateSystemid();
foreach ($arrLegends as &$strValue) {
$strValue = $this->stripLegend($strValue);
}
$this->objDataset->AddPoint($arrLegends, $strSerieName);
$this->objDataset->AddSerie($strSerieName);
$this->objDataset->SetAbsciseLabelSerie($strSerieName);
}
/**
* Used to create a stacked bar-chart.
* For each set of bar-values you can call this method once.
* A sample-code could be:
* $objGraph = new class_graph();
* $objGraph->setStrXAxisTitle("x-axis");
* $objGraph->setStrYAxisTitle("y-axis");
* $objGraph->setStrGraphTitle("Test Graph");
*
*
* //simple array
* $objGraph->addStackedBarChartSet(array(1,2,4,5) "serie 1");
* $objGraph->addStackedBarChartSet(array(1,2,4,5) "serie 2");
*
* //datapoints array
* $objDataPoint1 = new class_graph_datapoint(1);
* $objDataPoint2 = new class_graph_datapoint(2);
* $objDataPoint3 = new class_graph_datapoint(4);
* $objDataPoint4 = new class_graph_datapoint(5);
*
* //set action handler example
* $objDataPoint1->setObjActionHandler("<javascript code here>");
* $objDataPoint1->getObjActionHandlerValue("<value_object> e.g. some json");
*
* $objGraph->addStackedBarChartSet(array($objDataPoint1, $objDataPoint2, $objDataPoint3, $objDataPoint4) "serie 1");
*
*
* @param array $arrValues - an array with simple values or an array of data points (class_graph_datapoint).
* The advantage of a data points are that action handlers can be defined for each data point which will be executed when clicking on the data point in the chart.
* @param string $strLegend
*
* @throws class_exception
* @return void
*/
public function addStackedBarChartSet($arrValues, $strLegend)
{
$arrDataPoints = class_graph_commons::convertArrValuesToDataPointArray($arrValues);
if ($this->intCurrentGraphMode > 0) {
//only allow this method to be called again if in stackedbar-mode
if ($this->intCurrentGraphMode != $this->GRAPH_TYPE_STACKEDBAR) {
throw new class_exception("Chart already initialized", class_exception::$level_ERROR);
}
}
//add max value from each set to max value
$intMax = 0;
$intMin = 0;
foreach ($arrDataPoints as $objDataPoint) {
$floatValue = $objDataPoint->getFloatValue();
if ($floatValue > $intMax) {
$intMax = $floatValue;
}
if ($floatValue < $intMin) {
$intMin = $floatValue;
}
}
$this->intMaxValue += $intMax;
$this->intMinValue -= $intMin;
$this->intCurrentGraphMode = $this->GRAPH_TYPE_STACKEDBAR;
$this->addBarChartSet(class_graph_commons::getDataPointFloatValues($arrDataPoints), $strLegend);
$this->intCurrentGraphMode = $this->GRAPH_TYPE_STACKEDBAR;
}
