function buildChart(&$rows)
{
$this->_interval = 'events';
$countEvent = null;
if (CRM_Utils_Array::value('charts', $this->_params)) {
foreach ($rows as $key => $value) {
$graphRows['totalAmount'][] = $rows[$key]['totalAmount'];
$graphRows[$this->_interval][] = substr($rows[$key]['civicrm_event_title'], 0, 12) . "..(" . $rows[$key]['civicrm_event_id'] . ") ";
$graphRows['value'][] = $rows[$key]['totalAmount'];
}
if ($rows[$key]['totalAmount'] == 0) {
$countEvent = count($rows);
}
if (!empty($rows) && $countEvent != 1) {
$chartInfo = array('legend' => 'Event Summary', 'xname' => 'Total Amount', 'yname' => 'Event');
if (!empty($graphRows)) {
foreach ($graphRows[$this->_interval] as $key => $val) {
$graph[$val] = $graphRows['value'][$key];
}
$chartInfo['values'] = $graph;
$params[] = $chartInfo;
if (CRM_Utils_Array::value('charts', $this->_params) == 'barGraph') {
$graphs = CRM_Utils_PChart::barGraph($params, 85);
} else {
unset($params[0]['xname'], $params[0]['yname']);
$graphs = CRM_Utils_PChart::pieGraph($params);
}
$this->assign('graphFilePath', $graphs['0']['file_name']);
$this->_graphPath = $graphs['0']['file_name'];
}
}
}
}
/**
* process the form after the input has been submitted and validated
*
* @access public
* @return None
*/
public function postProcess()
{
//get the submitted form values.
$submittedValues = $this->controller->exportValues($this->_name);
//take contribution information monthly
require_once 'CRM/Contribute/BAO/Contribution/Utils.php';
$selectedYear = CRM_Utils_Array::value('select_year', $submittedValues, date('Y'));
$chartInfoMonthly = CRM_Contribute_BAO_Contribution_Utils::contributionChartMonthly($selectedYear);
$pChartParams = array();
$monthlyData = false;
$abbrMonthNames = array();
if (is_array($chartInfoMonthly)) {
$monthlyData = true;
for ($i = 1; $i <= 12; $i++) {
$abbrMonthNames[$i] = strftime('%b', mktime(0, 0, 0, $i, 10, 1970));
}
foreach ($abbrMonthNames as $monthKey => $monthName) {
if (!CRM_Utils_Array::value($monthKey, $chartInfoMonthly['By Month'])) {
//set zero value to month which is not in db
$chartInfoMonthly['By Month'][$monthKey] = 0;
}
}
//sort the array.
ksort($chartInfoMonthly['By Month']);
//build the params for pChart.
$pChartParams['by_month']['values'] = array_combine($abbrMonthNames, $chartInfoMonthly['By Month']);
$pChartParams['by_month']['legend'] = 'By Month' . ' - ' . $selectedYear;
}
$this->assign('monthlyData', $monthlyData);
//take contribution information by yearly
$chartInfoYearly = CRM_Contribute_BAO_Contribution_Utils::contributionChartYearly();
//get the years.
$this->_years = $chartInfoYearly['By Year'];
$hasContributions = false;
if (is_array($chartInfoYearly)) {
$hasContributions = true;
$pChartParams['by_year']['legend'] = 'By Year';
$pChartParams['by_year']['values'] = $chartInfoYearly['By Year'];
}
$this->assign('hasContributions', $hasContributions);
//handle pchart functionality.
if (!empty($pChartParams)) {
$filesValues = array();
require_once 'CRM/Utils/PChart.php';
if ('p3' == CRM_Utils_Array::value('chart_type', $submittedValues, 'bvg')) {
//assign shape for map
$this->assign('shape', 'poly');
$this->assign('chartType', 'pie');
$chartParams = array();
if ($monthlyData) {
$chartParams = array($pChartParams['by_month'], $pChartParams['by_year']);
} else {
$chartParams = array($pChartParams['by_year']);
}
//build the pie graph
$filesValues = CRM_Utils_PChart::pieGraph($chartParams);
} else {
//assign shape for map
$this->assign('shape', 'rect');
$this->assign('chartType', 'bar');
$chartParams = array();
if ($monthlyData) {
$chartParams = array($pChartParams['by_month'], $pChartParams['by_year']);
} else {
$chartParams = array($pChartParams['by_year']);
}
//build the bar graph.
$filesValues = CRM_Utils_PChart::barGraph($chartParams);
}
$formatMonthly = true;
foreach ($filesValues as $chartIndex => $values) {
if ($monthlyData && $formatMonthly) {
$this->assign('monthCoords', $values['coords']);
$this->assign('monthFilePath', $values['file_name']);
//build the month urls for map.
$monthUrls = array();
foreach ($values['coords'] as $month => $value) {
$monthPosition = array_search($month, $abbrMonthNames);
$startDate = CRM_Utils_Date::format(array('Y' => $selectedYear, 'M' => $monthPosition));
$endDate = date('Ymd', mktime(0, 0, 0, $monthPosition + 1, 0, $selectedYear));
$monthUrls[$month] = CRM_Utils_System::url('civicrm/contribute/search', "reset=1&force=1&status=1&start={$startDate}&end={$endDate}&test=0");
}
$this->assign('monthUrls', $monthUrls);
$formatMonthly = false;
} else {
$this->assign('yearCoords', $values['coords']);
$this->assign('yearFilePath', $values['file_name']);
//build year urls for map
$yearUrls = array();
foreach ($values['coords'] as $year => $value) {
$startDate = CRM_Utils_Date::format(array('Y' => $year));
if ($year) {
$endDate = date('Ymd', mktime(0, 0, 0, 13, 0, $year));
}
$yearUrls[$year] = CRM_Utils_System::url('civicrm/contribute/search', "reset=1&force=1&status=1&start={$startDate}&end={$endDate}&test=0");
}
$this->assign('yearUrls', $yearUrls);
}
}
}
}