protected function _createVisitsGraph()
{
// load pChart graphic library
$this->_loadLibs();
// définition des données à afficher
$dataSet = new pData();
// need config, to know which data user wants to display : visits, unique visitors, pageviews
$sefConfig = Sh404sefFactory::getConfig();
$dataTypeString = str_replace('ga:', '', $sefConfig->analyticsDashboardDataType);
// get data from response
$data = array();
$maxY = 0;
foreach ($this->_rawData['visits'] as $entry) {
$data[] = $entry->{$dataTypeString};
if ($entry->{$dataTypeString} > $maxY) {
$maxY = $entry->{$dataTypeString};
}
}
// format dates
$dates = Sh404sefHelperAnalytics::formatAbciseDates($this->_rawData['visits'], $this->_options);
$dataSet->AddPoint($data, $dataTypeString);
$dataSet->AddPoint($dates, "dates");
$dataSet->addSerie($dataTypeString);
$dataSet->SetAbsciseLabelSerie("dates");
$label = JText::_('COM_SH404SEF_ANALYTICS_DATA_' . strtoupper($dataTypeString));
$dataSet->SetSerieName($label, $dataTypeString);
// Initialise the graph
$w = $this->_options['cpWidth'];
$w = empty($w) ? 400 : intval($w - 40);
$h = 225;
$centreX = intval(0.5 * $w);
$centreY = intval(0.5 * $h);
$chart = new pChart($w, $h);
$fontSize = 8;
// calculate left margin based on max value to display
$leftMargin = 20 + $fontSize + 20 + $fontSize * strlen($maxY);
$bottomMargin = 5 + $fontSize * 6;
switch ($this->_options['groupBy']) {
case 'ga:year,ga:month,ga:week,ga:day':
$YAxisName = JText::_('Day');
break;
// date string represents a week number
// date string represents a week number
case 'ga:year,ga:month,ga:week':
$YAxisName = JText::_('Week');
break;
case 'ga:year,ga:month':
$YAxisName = JText::_('Month');
break;
}
$dataSet->SetYAxisName($label . JText::_('COM_SH404SEF_ANALYTICS_REPORT_PER_LABEL') . $YAxisName);
$chart->setFontProperties($this->_baseChartPath . DS . 'Fonts/arial.ttf', $fontSize);
$chart->setGraphArea($leftMargin, 30, $w - 20, $h - $bottomMargin);
$chart->drawFilledRoundedRectangle(7, 7, $w - 7, $h - 7, 5, 240, 240, 240);
$chart->drawRoundedRectangle(5, 5, $w - 5, $h - 5, 5, 230, 230, 230);
$chart->drawGraphArea(255, 255, 255, TRUE);
$d = $dataSet->GetData();
if (!empty($d)) {
$chart->drawScale($d, $dataSet->GetDataDescription(), SCALE_NORMAL, 150, 150, 150, TRUE, 60, 0, false);
$chart->drawGrid(4, TRUE, 230, 230, 230, 50);
// Draw the 0 line
$chart->setFontProperties($this->_baseChartPath . DS . 'Fonts/arial.ttf', $fontSize);
$chart->drawTreshold(0, 143, 55, 72, TRUE, TRUE);
// Draw the line graph
$chart->drawLineGraph($d, $dataSet->GetDataDescription());
$chart->drawPlotGraph($d, $dataSet->GetDataDescription(), 3, 2, 255, 255, 255);
}
// create a temporary file for
$user =& JFactory::getUser();
// make sure the root tmp dir exists
$rootDir = 'tmp' . DS . 'sh404sef_analytics';
Sh404sefHelperFiles::createDirAndIndex(JPATH_ROOT . DS . $rootDir);
// file name is per user
$basePath = $rootDir . DS . md5('useless_' . $user->id . '_hashing') . DS;
// create path and make sure there's an index.html file in it
Sh404sefHelperFiles::createDirAndIndex(JPATH_ROOT . DS . $basePath);
$imageFileName = Sh404sefHelperAnalytics::createTempFile($basePath, $this->_options['report'] . '.' . $this->_options['accountId'] . '.visits.' . $dataTypeString);
$chart->Render(JPATH_ROOT . DS . $imageFileName);
// need cleaning up, so let's remove all report files for that user older than an hour or so
Sh404sefHelperAnalytics::cleanReportsImageFiles(JPATH_ROOT . DS . $basePath, $age = 4000);
return JURI::root() . $imageFileName;
}
