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msd2/tracking/piwik/plugins/ImageGraph/StaticGraph/HorizontalBar.php

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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()
+    {
+        $verticalLegend = false;
+
+        // create resized copies of logo to match maximum width / height
+        foreach ($this->abscissaLogos as &$logoPath) {
+            $logoPath = $this->createResizedImageCopyIfNeeded($logoPath);
+            list($logoWidth, $logoHeight) = self::getLogoSize($logoPath);
+            $logoPathToHeight[$logoPath] = $logoHeight;
+        }
+
+        // determine the maximum logo width & height
+        list($maxLogoWidth, $maxLogoHeight) = self::getMaxLogoSize($this->abscissaLogos);
+
+        // 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])) {
+                $currentLogoPath = $this->abscissaLogos[$i];
+
+                if (isset($logoPathToHeight[$currentLogoPath])) {
+                    $logoHeight = $logoPathToHeight[$currentLogoPath];
+
+                    $pathInfo = pathinfo($currentLogoPath);
+                    $logoExtension = strtoupper($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,
+                            $currentLogoPath
+                        );
+                    }
+                }
+            }
+        }
+    }
+}