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<?php
/**
* Piwik - free/libre analytics platform
*
* @link http://piwik.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*
*/
namespace Piwik\Plugins\ImageGraph\StaticGraph;
use Piwik\Piwik;
/**
*
*/
class HorizontalBar extends GridGraph
{
const INTERLEAVE = 0.30;
const PADDING_CHARS = ' ';
const LEGEND_SQUARE_WIDTH = 11;
const MIN_SPACE_BETWEEN_HORIZONTAL_VALUES = 5;
const LOGO_MIN_RIGHT_MARGIN = 3;
public function renderGraph()
{
$verticalLegend = false;
// determine the maximum logo width & height
list($maxLogoWidth, $maxLogoHeight) = self::getMaxLogoSize($this->abscissaLogos);
foreach ($this->abscissaLogos as $logoPath) {
list($logoWidth, $logoHeight) = self::getLogoSize($logoPath);
$logoPathToHeight[$logoPath] = $logoHeight;
}
// truncate report
$graphHeight = $this->getGraphBottom($horizontalGraph = true) - $this->getGridTopMargin($horizontalGraph = true, $verticalLegend);
list($abscissaMaxWidth, $abscissaMaxHeight) = $this->getMaximumTextWidthHeight($this->abscissaSeries);
list($ordinateMaxWidth, $ordinateMaxHeight) = $this->getMaximumTextWidthHeight($this->ordinateSeries);
$numberOfSeries = count($this->ordinateSeries);
$ordinateMaxHeight = $ordinateMaxHeight * $numberOfSeries;
$textMaxHeight = $abscissaMaxHeight > $ordinateMaxHeight ? $abscissaMaxHeight : $ordinateMaxHeight;
$minLineWidth = ($textMaxHeight > $maxLogoHeight ? $textMaxHeight : $maxLogoHeight) + (self::MIN_SPACE_BETWEEN_HORIZONTAL_VALUES * $numberOfSeries);
$maxNumOfValues = floor($graphHeight / $minLineWidth);
$abscissaSeriesCount = count($this->abscissaSeries);
if ($maxNumOfValues < $abscissaSeriesCount - 1) {
$sumOfOthers = array();
$truncatedOrdinateSeries = array();
$truncatedAbscissaLogos = array();
$truncatedAbscissaSeries = array();
foreach ($this->ordinateSeries as $column => $data) {
$truncatedOrdinateSeries[$column] = array();
$sumOfOthers[$column] = 0;
}
$i = 0;
for (; $i < $maxNumOfValues; $i++) {
foreach ($this->ordinateSeries as $column => $data) {
$truncatedOrdinateSeries[$column][] = $data[$i];
}
$truncatedAbscissaLogos[] = isset($this->abscissaLogos[$i]) ? $this->abscissaLogos[$i] : null;
$truncatedAbscissaSeries[] = $this->abscissaSeries[$i];
}
for (; $i < $abscissaSeriesCount; $i++) {
foreach ($this->ordinateSeries as $column => $data) {
$sumOfOthers[$column] += $data[$i];
}
}
foreach ($this->ordinateSeries as $column => $data) {
$truncatedOrdinateSeries[$column][] = $sumOfOthers[$column];
}
$truncatedAbscissaSeries[] = Piwik::translate('General_Others');
$this->abscissaSeries = $truncatedAbscissaSeries;
$this->ordinateSeries = $truncatedOrdinateSeries;
$this->abscissaLogos = $truncatedAbscissaLogos;
}
// blank characters are used to pad labels so the logo can be displayed
$paddingText = '';
$paddingWidth = 0;
if ($maxLogoWidth > 0) {
while ($paddingWidth < $maxLogoWidth + self::LOGO_MIN_RIGHT_MARGIN) {
$paddingText .= self::PADDING_CHARS;
list($paddingWidth, $paddingHeight) = $this->getTextWidthHeight($paddingText);
}
}
// determine the maximum label width according to the minimum comfortable graph size
$gridRightMargin = $this->getGridRightMargin($horizontalGraph = true);
$minGraphSize = ($this->width - $gridRightMargin) / 2;
$metricLegendWidth = 0;
foreach ($this->ordinateLabels as $column => $label) {
list($textWidth, $textHeight) = $this->getTextWidthHeight($label);
$metricLegendWidth += $textWidth;
}
$legendWidth = $metricLegendWidth + ((self::HORIZONTAL_LEGEND_LEFT_MARGIN + self::LEGEND_SQUARE_WIDTH) * $numberOfSeries);
if ($this->showLegend) {
if ($legendWidth > $minGraphSize) {
$minGraphSize = $legendWidth;
}
}
$gridLeftMarginWithoutLabels = $this->getGridLeftMargin($horizontalGraph = true, $withLabel = false);
$labelWidthLimit =
$this->width
- $gridLeftMarginWithoutLabels
- $gridRightMargin
- $paddingWidth
- $minGraphSize;
// truncate labels if needed
foreach ($this->abscissaSeries as &$label) {
$label = $this->truncateLabel($label, $labelWidthLimit);
}
$gridLeftMarginBeforePadding = $this->getGridLeftMargin($horizontalGraph = true, $withLabel = true);
// pad labels for logo space
foreach ($this->abscissaSeries as &$label) {
$label .= $paddingText;
}
$this->initGridChart(
$displayVerticalGridLines = false,
$bulletType = LEGEND_FAMILY_BOX,
$horizontalGraph = true,
$showTicks = false,
$verticalLegend
);
$valueColor = $this->textColor;
$this->pImage->drawBarChart(
array(
'DisplayValues' => true,
'Interleave' => self::INTERLEAVE,
'DisplayR' => $valueColor['R'],
'DisplayG' => $valueColor['G'],
'DisplayB' => $valueColor['B'],
)
);
// // display icons
$graphData = $this->pData->getData();
$numberOfRows = count($this->abscissaSeries);
$logoInterleave = $this->getGraphHeight(true, $verticalLegend) / $numberOfRows;
for ($i = 0; $i < $numberOfRows; $i++) {
if (isset($this->abscissaLogos[$i])) {
$logoPath = $this->abscissaLogos[$i];
if (isset($logoPathToHeight[$logoPath])) {
$logoHeight = $logoPathToHeight[$logoPath];
$pathInfo = pathinfo($logoPath);
$logoExtension = strtoupper($pathInfo['extension']);
$drawingFunction = 'drawFrom' . $logoExtension;
$logoYPosition =
($logoInterleave * $i)
+ $this->getGridTopMargin(true, $verticalLegend)
+ $graphData['Axis'][1]['Margin']
- $logoHeight / 2
+ 1;
if (method_exists($this->pImage, $drawingFunction)) {
$this->pImage->$drawingFunction(
$gridLeftMarginBeforePadding,
$logoYPosition,
$logoPath
);
}
}
}
}
}
}
|
