diff options
Diffstat (limited to 'plugins/ImageGraph/StaticGraph/PieGraph.php')
| -rw-r--r-- | plugins/ImageGraph/StaticGraph/PieGraph.php | 217 |
1 files changed, 103 insertions, 114 deletions
diff --git a/plugins/ImageGraph/StaticGraph/PieGraph.php b/plugins/ImageGraph/StaticGraph/PieGraph.php index 383f605432..d2b8df51c5 100644 --- a/plugins/ImageGraph/StaticGraph/PieGraph.php +++ b/plugins/ImageGraph/StaticGraph/PieGraph.php @@ -17,118 +17,107 @@ require_once PIWIK_INCLUDE_PATH . "/libs/pChart2.1.3/class/pPie.class.php"; */ abstract class Piwik_ImageGraph_StaticGraph_PieGraph extends Piwik_ImageGraph_StaticGraph { - const RADIUS_MARGIN = 40; - const PIE_RIGHT_MARGIN = 20; - const SECTOR_GAP = 2.5; - - const SLICE_COLOR_KEY = "SLICE_COLOR"; - - protected $pieChart; - protected $xPosition; - protected $yPosition; - protected $pieConfig; - - protected function getDefaultColors() - { - return array( - self::SLICE_COLOR_KEY . '1' => '3C5A69', - self::SLICE_COLOR_KEY . '2' => '679BB5', - self::SLICE_COLOR_KEY . '3' => '695A3C', - self::SLICE_COLOR_KEY . '4' => 'B58E67', - self::SLICE_COLOR_KEY . '5' => '8AA68A', - self::SLICE_COLOR_KEY . '6' => 'A4D2A6', - ); - } - - protected function initPieGraph($showLegend) - { - $this->truncateSmallValues(); - $this->initpData(); - $this->initpImage(); - - if ($this->height > $this->width) - { - $radius = ($this->width / 2) - self::RADIUS_MARGIN; - } - else - { - $radius = ($this->height / 2) - self::RADIUS_MARGIN; - } - - $this->pieChart = new pPie($this->pImage, $this->pData); - - $numberOfSlices = count($this->abscissaSeries); - $numberOfAvailableColors = count($this->colors); - for($i = 0; $i < $numberOfSlices; $i++) - { - $this->pieChart->setSliceColor($i, $this->colors[self::SLICE_COLOR_KEY . (($i % $numberOfAvailableColors) + 1)]); - } - - // max abscissa label width is used to set the pie right margin - list($abscissaMaxWidth, $abscissaMaxHeight) = $this->getMaximumTextWidthHeight($this->abscissaSeries); - - $this->xPosition = $this->width - $radius - $abscissaMaxWidth - self::PIE_RIGHT_MARGIN; - $this->yPosition = $this->height / 2; - - if ($showLegend) - { - $this->pieChart->drawPieLegend(15, 40, array("Alpha" => 20)); - } - - $this->pieConfig = - array( - 'Radius' => $radius, - 'DrawLabels' => true, - 'DataGapAngle' => self::SECTOR_GAP, - 'DataGapRadius' => self::SECTOR_GAP, - ); - } - - /** - * this method logic is close to Piwik's core filter_truncate. - * it uses a threshold to determine if an abscissa value should be drawn on the PIE - * discarded abscissa values are summed in the 'other' abscissa value - * - * if this process is not perform, pChart will draw pie slices that are too small to see - */ - private function truncateSmallValues() - { - $metricColumns = array_keys($this->ordinateSeries); - $metricColumn = $metricColumns[0]; - - $ordinateValuesSum = 0; - foreach($this->ordinateSeries[$metricColumn] as $ordinateValue) - { - $ordinateValuesSum += $ordinateValue; - } - - $truncatedOrdinateSeries[$metricColumn] = array(); - $truncatedAbscissaSeries = array(); - $smallValuesSum = 0; - - $ordinateValuesCount = count($this->ordinateSeries[$metricColumn]); - for($i = 0; $i < $ordinateValuesCount - 1 ; $i++) - { - $ordinateValue = $this->ordinateSeries[$metricColumn][$i]; - if($ordinateValue / $ordinateValuesSum > 0.01) - { - $truncatedOrdinateSeries[$metricColumn][] = $ordinateValue; - $truncatedAbscissaSeries[] = $this->abscissaSeries[$i]; - } - else - { - $smallValuesSum += $ordinateValue; - } - } - - $smallValuesSum += $this->ordinateSeries[$metricColumn][$ordinateValuesCount - 1]; - if(($smallValuesSum / $ordinateValuesSum) > 0.01) - { - $truncatedOrdinateSeries[$metricColumn][] = $smallValuesSum; - $truncatedAbscissaSeries[] = Piwik_Translate('General_Others'); - } - - $this->ordinateSeries = $truncatedOrdinateSeries; - $this->abscissaSeries = $truncatedAbscissaSeries; - } + const RADIUS_MARGIN = 40; + const PIE_RIGHT_MARGIN = 20; + const SECTOR_GAP = 2.5; + + const SLICE_COLOR_KEY = "SLICE_COLOR"; + + protected $pieChart; + protected $xPosition; + protected $yPosition; + protected $pieConfig; + + protected function getDefaultColors() + { + return array( + self::SLICE_COLOR_KEY . '1' => '3C5A69', + self::SLICE_COLOR_KEY . '2' => '679BB5', + self::SLICE_COLOR_KEY . '3' => '695A3C', + self::SLICE_COLOR_KEY . '4' => 'B58E67', + self::SLICE_COLOR_KEY . '5' => '8AA68A', + self::SLICE_COLOR_KEY . '6' => 'A4D2A6', + ); + } + + protected function initPieGraph($showLegend) + { + $this->truncateSmallValues(); + $this->initpData(); + $this->initpImage(); + + if ($this->height > $this->width) { + $radius = ($this->width / 2) - self::RADIUS_MARGIN; + } else { + $radius = ($this->height / 2) - self::RADIUS_MARGIN; + } + + $this->pieChart = new pPie($this->pImage, $this->pData); + + $numberOfSlices = count($this->abscissaSeries); + $numberOfAvailableColors = count($this->colors); + for ($i = 0; $i < $numberOfSlices; $i++) { + $this->pieChart->setSliceColor($i, $this->colors[self::SLICE_COLOR_KEY . (($i % $numberOfAvailableColors) + 1)]); + } + + // max abscissa label width is used to set the pie right margin + list($abscissaMaxWidth, $abscissaMaxHeight) = $this->getMaximumTextWidthHeight($this->abscissaSeries); + + $this->xPosition = $this->width - $radius - $abscissaMaxWidth - self::PIE_RIGHT_MARGIN; + $this->yPosition = $this->height / 2; + + if ($showLegend) { + $this->pieChart->drawPieLegend(15, 40, array("Alpha" => 20)); + } + + $this->pieConfig = + array( + 'Radius' => $radius, + 'DrawLabels' => true, + 'DataGapAngle' => self::SECTOR_GAP, + 'DataGapRadius' => self::SECTOR_GAP, + ); + } + + /** + * this method logic is close to Piwik's core filter_truncate. + * it uses a threshold to determine if an abscissa value should be drawn on the PIE + * discarded abscissa values are summed in the 'other' abscissa value + * + * if this process is not perform, pChart will draw pie slices that are too small to see + */ + private function truncateSmallValues() + { + $metricColumns = array_keys($this->ordinateSeries); + $metricColumn = $metricColumns[0]; + + $ordinateValuesSum = 0; + foreach ($this->ordinateSeries[$metricColumn] as $ordinateValue) { + $ordinateValuesSum += $ordinateValue; + } + + $truncatedOrdinateSeries[$metricColumn] = array(); + $truncatedAbscissaSeries = array(); + $smallValuesSum = 0; + + $ordinateValuesCount = count($this->ordinateSeries[$metricColumn]); + for ($i = 0; $i < $ordinateValuesCount - 1; $i++) { + $ordinateValue = $this->ordinateSeries[$metricColumn][$i]; + if ($ordinateValue / $ordinateValuesSum > 0.01) { + $truncatedOrdinateSeries[$metricColumn][] = $ordinateValue; + $truncatedAbscissaSeries[] = $this->abscissaSeries[$i]; + } else { + $smallValuesSum += $ordinateValue; + } + } + + $smallValuesSum += $this->ordinateSeries[$metricColumn][$ordinateValuesCount - 1]; + if (($smallValuesSum / $ordinateValuesSum) > 0.01) { + $truncatedOrdinateSeries[$metricColumn][] = $smallValuesSum; + $truncatedAbscissaSeries[] = Piwik_Translate('General_Others'); + } + + $this->ordinateSeries = $truncatedOrdinateSeries; + $this->abscissaSeries = $truncatedAbscissaSeries; + } } |