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485
msd2/tracking/piwik/plugins/ImageGraph/StaticGraph/GridGraph.php
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485
msd2/tracking/piwik/plugins/ImageGraph/StaticGraph/GridGraph.php
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<?php
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/**
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* Piwik - free/libre analytics platform
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*
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* @link http://piwik.org
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* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
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*
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*/
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namespace Piwik\Plugins\ImageGraph\StaticGraph;
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use Piwik\Plugins\ImageGraph\StaticGraph;
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/**
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*
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*/
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abstract class GridGraph extends StaticGraph
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{
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const GRAPHIC_COLOR_KEY = 'GRAPHIC_COLOR';
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const TRUNCATION_TEXT = '...';
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const DEFAULT_TICK_ALPHA = 20;
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const DEFAULT_SERIE_WEIGHT = 0.5;
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const LEFT_GRID_MARGIN = 4;
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const BOTTOM_GRID_MARGIN = 10;
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const TOP_GRID_MARGIN_HORIZONTAL_GRAPH = 1;
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const RIGHT_GRID_MARGIN_HORIZONTAL_GRAPH = 4;
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const OUTER_TICK_WIDTH = 5;
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const INNER_TICK_WIDTH = 0;
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const LABEL_SPACE_VERTICAL_GRAPH = 7;
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const HORIZONTAL_LEGEND_TOP_MARGIN = 5;
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const HORIZONTAL_LEGEND_LEFT_MARGIN = 10;
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const HORIZONTAL_LEGEND_BOTTOM_MARGIN = 10;
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const VERTICAL_LEGEND_TOP_MARGIN = 8;
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const VERTICAL_LEGEND_LEFT_MARGIN = 6;
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const VERTICAL_LEGEND_MAX_WIDTH_PCT = 0.70;
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const LEGEND_LINE_BULLET_WIDTH = 14;
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const LEGEND_BOX_BULLET_WIDTH = 5;
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const LEGEND_BULLET_RIGHT_PADDING = 5;
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const LEGEND_ITEM_HORIZONTAL_INTERSTICE = 6;
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const LEGEND_ITEM_VERTICAL_INTERSTICE_OFFSET = 4;
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const LEGEND_SHADOW_OPACITY = 25;
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const LEGEND_VERTICAL_SHADOW_PADDING = 3;
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const LEGEND_HORIZONTAL_SHADOW_PADDING = 2;
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const PCHART_HARD_CODED_VERTICAL_LEGEND_INTERSTICE = 5;
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protected function getDefaultColors()
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{
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return array(
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self::GRAPHIC_COLOR_KEY . '1' => '5170AE',
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self::GRAPHIC_COLOR_KEY . '2' => 'F29007',
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self::GRAPHIC_COLOR_KEY . '3' => 'CC3399',
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self::GRAPHIC_COLOR_KEY . '4' => '9933CC',
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self::GRAPHIC_COLOR_KEY . '5' => '80A033',
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self::GRAPHIC_COLOR_KEY . '6' => '246AD2'
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);
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}
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protected function initGridChart(
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$displayVerticalGridLines,
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$bulletType,
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$horizontalGraph,
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$showTicks,
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$verticalLegend
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)
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{
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$this->initpData();
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$colorIndex = 1;
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foreach ($this->ordinateSeries as $column => $data) {
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$this->pData->setSerieWeight($column, self::DEFAULT_SERIE_WEIGHT);
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$graphicColor = $this->colors[self::GRAPHIC_COLOR_KEY . $colorIndex++];
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$this->pData->setPalette($column, $graphicColor);
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}
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$this->initpImage();
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// graph area coordinates
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$topLeftXValue = $this->getGridLeftMargin($horizontalGraph, $withLabel = true);
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$topLeftYValue = $this->getGridTopMargin($horizontalGraph, $verticalLegend);
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$bottomRightXValue = $this->width - $this->getGridRightMargin($horizontalGraph);
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$bottomRightYValue = $this->getGraphBottom($horizontalGraph);
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$this->drawBackground();
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$this->pImage->setGraphArea(
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$topLeftXValue,
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$topLeftYValue,
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$bottomRightXValue,
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$bottomRightYValue
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);
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// determine how many labels need to be skipped
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$skippedLabels = 0;
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if (!$horizontalGraph) {
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list($abscissaMaxWidth, $abscissaMaxHeight) = $this->getMaximumTextWidthHeight($this->abscissaSeries);
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$graphWidth = $bottomRightXValue - $topLeftXValue;
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$maxNumOfLabels = floor($graphWidth / ($abscissaMaxWidth + self::LABEL_SPACE_VERTICAL_GRAPH));
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$abscissaSeriesCount = count($this->abscissaSeries);
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if ($maxNumOfLabels < $abscissaSeriesCount) {
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for ($candidateSkippedLabels = 1; $candidateSkippedLabels < $abscissaSeriesCount; $candidateSkippedLabels++) {
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$numberOfSegments = $abscissaSeriesCount / ($candidateSkippedLabels + 1);
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$numberOfCompleteSegments = floor($numberOfSegments);
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$numberOfLabels = $numberOfCompleteSegments;
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if ($numberOfSegments > $numberOfCompleteSegments) {
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$numberOfLabels++;
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}
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if ($numberOfLabels <= $maxNumOfLabels) {
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$skippedLabels = $candidateSkippedLabels;
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break;
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}
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}
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}
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if ($this->forceSkippedLabels
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&& $skippedLabels
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&& $skippedLabels < $this->forceSkippedLabels
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&& $abscissaSeriesCount > $this->forceSkippedLabels + 1
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) {
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$skippedLabels = $this->forceSkippedLabels;
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}
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}
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$ordinateAxisLength =
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$horizontalGraph ? $bottomRightXValue - $topLeftXValue : $this->getGraphHeight($horizontalGraph, $verticalLegend);
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$maxOrdinateValue = 0;
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foreach ($this->ordinateSeries as $column => $data) {
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$currentMax = $this->pData->getMax($column);
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if ($currentMax > $maxOrdinateValue) {
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$maxOrdinateValue = $currentMax;
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}
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}
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// rounding top scale value to the next multiple of 10
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if ($maxOrdinateValue > 10) {
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$modTen = $maxOrdinateValue % 10;
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if ($modTen) $maxOrdinateValue += 10 - $modTen;
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}
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$gridColor = $this->gridColor;
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$this->pImage->drawScale(
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array(
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'Mode' => SCALE_MODE_MANUAL,
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'GridTicks' => 0,
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'LabelSkip' => $skippedLabels,
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'DrawXLines' => $displayVerticalGridLines,
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'Factors' => array(ceil($maxOrdinateValue / 2)),
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'MinDivHeight' => $ordinateAxisLength / 2,
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'AxisAlpha' => 0,
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'SkippedAxisAlpha' => 0,
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'TickAlpha' => $showTicks ? self::DEFAULT_TICK_ALPHA : 0,
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'InnerTickWidth' => self::INNER_TICK_WIDTH,
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'OuterTickWidth' => self::OUTER_TICK_WIDTH,
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'GridR' => $gridColor['R'],
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'GridG' => $gridColor['G'],
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'GridB' => $gridColor['B'],
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'GridAlpha' => 100,
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'ManualScale' => array(
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0 => array(
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'Min' => 0,
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'Max' => $maxOrdinateValue
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)
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),
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'Pos' => $horizontalGraph ? SCALE_POS_TOPBOTTOM : SCALE_POS_LEFTRIGHT,
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)
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);
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if ($this->showLegend) {
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switch ($bulletType) {
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case LEGEND_FAMILY_LINE:
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$bulletWidth = self::LEGEND_LINE_BULLET_WIDTH;
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// measured using a picture editing software
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$iconOffsetAboveLabelSymmetryAxis = -2;
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break;
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case LEGEND_FAMILY_BOX:
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$bulletWidth = self::LEGEND_BOX_BULLET_WIDTH;
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// measured using a picture editing software
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$iconOffsetAboveLabelSymmetryAxis = 3;
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break;
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}
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// pChart requires two coordinates to draw the legend $legendTopLeftXValue & $legendTopLeftYValue
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// $legendTopLeftXValue = legend's left padding
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$legendTopLeftXValue = $topLeftXValue + ($verticalLegend ? self::VERTICAL_LEGEND_LEFT_MARGIN : self::HORIZONTAL_LEGEND_LEFT_MARGIN);
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// $legendTopLeftYValue = y coordinate of the top edge of the legend's icons
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// Caution :
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// - pChart will silently add some value (see $paddingAddedByPChart) to $legendTopLeftYValue depending on multiple criteria
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// - pChart will not take into account the size of the text. Setting $legendTopLeftYValue = 0 will crop the legend's labels
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// The following section of code determines the value of $legendTopLeftYValue while taking into account the following paremeters :
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// - whether legend items have icons
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// - whether icons are bigger than the legend's labels
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// - how much colored shadow padding is required
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list($maxLogoWidth, $maxLogoHeight) = self::getMaxLogoSize(array_values($this->ordinateLogos));
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if ($maxLogoHeight >= $this->legendFontSize) {
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$heightOfTextAboveBulletTop = 0;
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$paddingCreatedByLogo = $maxLogoHeight - $this->legendFontSize;
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$effectiveShadowPadding = $paddingCreatedByLogo < self::LEGEND_VERTICAL_SHADOW_PADDING * 2 ? self::LEGEND_VERTICAL_SHADOW_PADDING - ($paddingCreatedByLogo / 2) : 0;
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} else {
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if ($maxLogoHeight) {
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// measured using a picture editing software
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$iconOffsetAboveLabelSymmetryAxis = 5;
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}
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$heightOfTextAboveBulletTop = $this->legendFontSize / 2 - $iconOffsetAboveLabelSymmetryAxis;
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$effectiveShadowPadding = self::LEGEND_VERTICAL_SHADOW_PADDING;
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}
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$effectiveLegendItemVerticalInterstice = $this->legendFontSize + self::LEGEND_ITEM_VERTICAL_INTERSTICE_OFFSET;
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$effectiveLegendItemHorizontalInterstice = self::LEGEND_ITEM_HORIZONTAL_INTERSTICE + self::LEGEND_HORIZONTAL_SHADOW_PADDING;
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$legendTopMargin = $verticalLegend ? self::VERTICAL_LEGEND_TOP_MARGIN : self::HORIZONTAL_LEGEND_TOP_MARGIN;
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$requiredPaddingAboveItemBullet = $legendTopMargin + $heightOfTextAboveBulletTop + $effectiveShadowPadding;
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$paddingAddedByPChart = 0;
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if ($verticalLegend) {
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if ($maxLogoHeight) {
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// see line 1691 of pDraw.class.php
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if ($maxLogoHeight < $effectiveLegendItemVerticalInterstice) {
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$paddingAddedByPChart = ($effectiveLegendItemVerticalInterstice / 2) - ($maxLogoHeight / 2);
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}
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} else {
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// see line 1711 of pDraw.class.php ($Y+$IconAreaHeight/2)
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$paddingAddedByPChart = $effectiveLegendItemVerticalInterstice / 2;
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}
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}
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$legendTopLeftYValue = $paddingAddedByPChart < $requiredPaddingAboveItemBullet ? $requiredPaddingAboveItemBullet - $paddingAddedByPChart : 0;
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// add colored background to each legend item
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if (count($this->ordinateLabels) > 1) {
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$currentPosition = $verticalLegend ? $legendTopMargin : $legendTopLeftXValue;
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$colorIndex = 1;
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foreach ($this->ordinateLabels as $metricCode => &$label) {
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$color = $this->colors[self::GRAPHIC_COLOR_KEY . $colorIndex++];
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$paddedBulletWidth = $bulletWidth;
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if (isset($this->ordinateLogos[$metricCode])) {
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$paddedBulletWidth = $maxLogoWidth;
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}
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$paddedBulletWidth += self::LEGEND_BULLET_RIGHT_PADDING;
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// truncate labels if required
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if ($verticalLegend) {
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$label = $this->truncateLabel($label, ($this->width * self::VERTICAL_LEGEND_MAX_WIDTH_PCT) - $legendTopLeftXValue - $paddedBulletWidth, $this->legendFontSize);
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$this->pData->setSerieDescription($metricCode, $label);
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}
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$rectangleTopLeftXValue = ($verticalLegend ? $legendTopLeftXValue : $currentPosition) + $paddedBulletWidth - self::LEGEND_HORIZONTAL_SHADOW_PADDING;
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$rectangleTopLeftYValue = $verticalLegend ? $currentPosition : $legendTopMargin;
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list($labelWidth, $labelHeight) = $this->getTextWidthHeight($label, $this->legendFontSize);
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$legendItemWidth = $paddedBulletWidth + $labelWidth + $effectiveLegendItemHorizontalInterstice;
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$rectangleBottomRightXValue = $rectangleTopLeftXValue + $labelWidth + (self::LEGEND_HORIZONTAL_SHADOW_PADDING * 2);
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$legendItemHeight = max($maxLogoHeight, $this->legendFontSize) + ($effectiveShadowPadding * 2);
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$rectangleBottomRightYValue = $rectangleTopLeftYValue + $legendItemHeight;
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$this->pImage->drawFilledRectangle(
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$rectangleTopLeftXValue,
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$rectangleTopLeftYValue,
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$rectangleBottomRightXValue,
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$rectangleBottomRightYValue,
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array(
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'Alpha' => self::LEGEND_SHADOW_OPACITY,
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'R' => $color['R'],
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'G' => $color['G'],
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'B' => $color['B'],
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)
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);
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if ($verticalLegend) {
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$currentPositionIncrement = max($maxLogoHeight, $effectiveLegendItemVerticalInterstice, $this->legendFontSize) + self::PCHART_HARD_CODED_VERTICAL_LEGEND_INTERSTICE;
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} else {
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$currentPositionIncrement = $legendItemWidth;
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}
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$currentPosition += $currentPositionIncrement;
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}
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}
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// draw legend
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$legendColor = $this->textColor;
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$this->pImage->drawLegend(
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$legendTopLeftXValue,
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$legendTopLeftYValue,
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array(
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'Style' => LEGEND_NOBORDER,
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'FontSize' => $this->legendFontSize,
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'BoxWidth' => $bulletWidth,
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'XSpacing' => $effectiveLegendItemHorizontalInterstice, // not effective when vertical
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'Mode' => $verticalLegend ? LEGEND_VERTICAL : LEGEND_HORIZONTAL,
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'BoxHeight' => $verticalLegend ? $effectiveLegendItemVerticalInterstice : null,
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'Family' => $bulletType,
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'FontR' => $legendColor['R'],
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'FontG' => $legendColor['G'],
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'FontB' => $legendColor['B'],
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)
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);
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}
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}
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protected static function getMaxLogoSize($logoPaths)
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{
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$maxLogoWidth = 0;
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$maxLogoHeight = 0;
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foreach ($logoPaths as $logoPath) {
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list($logoWidth, $logoHeight) = self::getLogoSize($logoPath);
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if ($logoWidth > $maxLogoWidth) {
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$maxLogoWidth = $logoWidth;
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}
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if ($logoHeight > $maxLogoHeight) {
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$maxLogoHeight = $logoHeight;
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}
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}
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return array($maxLogoWidth, $maxLogoHeight);
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}
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protected static function getLogoSize($logoPath)
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{
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$pathInfo = getimagesize($logoPath);
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return array($pathInfo[0], $pathInfo[1]);
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}
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protected function getGridLeftMargin($horizontalGraph, $withLabel)
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{
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$gridLeftMargin = self::LEFT_GRID_MARGIN + self::OUTER_TICK_WIDTH;
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if ($withLabel) {
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list($maxTextWidth, $maxTextHeight) = $this->getMaximumTextWidthHeight($horizontalGraph ? $this->abscissaSeries : $this->ordinateSeries);
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$gridLeftMargin += $maxTextWidth;
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}
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return $gridLeftMargin;
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}
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protected function getGridTopMargin($horizontalGraph, $verticalLegend)
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{
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list($ordinateMaxWidth, $ordinateMaxHeight) = $this->getMaximumTextWidthHeight($this->ordinateSeries);
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if ($horizontalGraph) {
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$topMargin = $ordinateMaxHeight + self::TOP_GRID_MARGIN_HORIZONTAL_GRAPH + self::OUTER_TICK_WIDTH;
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} else {
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$topMargin = $ordinateMaxHeight / 2;
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}
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if ($this->showLegend && !$verticalLegend) {
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$topMargin += $this->getHorizontalLegendHeight();
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}
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return $topMargin;
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}
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private function getHorizontalLegendHeight()
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{
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list($maxMetricLegendWidth, $maxMetricLegendHeight) =
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$this->getMaximumTextWidthHeight(array_values($this->ordinateLabels), $this->legendFontSize);
|
||||
|
||||
return $maxMetricLegendHeight + self::HORIZONTAL_LEGEND_BOTTOM_MARGIN + self::HORIZONTAL_LEGEND_TOP_MARGIN;
|
||||
}
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||||
|
||||
protected function getGraphHeight($horizontalGraph, $verticalLegend)
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{
|
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return $this->getGraphBottom($horizontalGraph) - $this->getGridTopMargin($horizontalGraph, $verticalLegend);
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||||
}
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||||
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||||
private function getGridBottomMargin($horizontalGraph)
|
||||
{
|
||||
$gridBottomMargin = self::BOTTOM_GRID_MARGIN;
|
||||
if (!$horizontalGraph) {
|
||||
list($abscissaMaxWidth, $abscissaMaxHeight) = $this->getMaximumTextWidthHeight($this->abscissaSeries);
|
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$gridBottomMargin += $abscissaMaxHeight;
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}
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return $gridBottomMargin;
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||||
}
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||||
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||||
protected function getGridRightMargin($horizontalGraph)
|
||||
{
|
||||
if ($horizontalGraph) {
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||||
// in horizontal graphs, metric values are displayed on the far right of the bar
|
||||
list($ordinateMaxWidth, $ordinateMaxHeight) = $this->getMaximumTextWidthHeight($this->ordinateSeries);
|
||||
return self::RIGHT_GRID_MARGIN_HORIZONTAL_GRAPH + $ordinateMaxWidth;
|
||||
} else {
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
protected function getGraphBottom($horizontalGraph)
|
||||
{
|
||||
return $this->height - $this->getGridBottomMargin($horizontalGraph);
|
||||
}
|
||||
|
||||
protected function truncateLabel($label, $labelWidthLimit, $fontSize = false)
|
||||
{
|
||||
list($truncationTextWidth, $truncationTextHeight) = $this->getTextWidthHeight(self::TRUNCATION_TEXT, $fontSize);
|
||||
list($labelWidth, $labelHeight) = $this->getTextWidthHeight($label, $fontSize);
|
||||
|
||||
if ($labelWidth > $labelWidthLimit) {
|
||||
$averageCharWidth = $labelWidth / strlen($label);
|
||||
$charsToKeep = floor(($labelWidthLimit - $truncationTextWidth) / $averageCharWidth);
|
||||
$label = substr($label, 0, $charsToKeep) . self::TRUNCATION_TEXT;
|
||||
}
|
||||
return $label;
|
||||
}
|
||||
// display min & max values
|
||||
// can not currently be used because pChart's label design is not flexible enough
|
||||
// e.g: it is not possible to remove the box border & the square icon
|
||||
// it would require modifying pChart code base which we try to avoid
|
||||
// see https://github.com/piwik/piwik/issues/3396
|
||||
// protected function displayMinMaxValues()
|
||||
// {
|
||||
// if ($displayMinMax)
|
||||
// {
|
||||
// // when plotting multiple metrics, display min & max on both series
|
||||
// // to fix: in vertical bars, labels are hidden when multiple metrics are plotted, hence the restriction on count($this->ordinateSeries) == 1
|
||||
// if ($this->multipleMetrics && count($this->ordinateSeries) == 1)
|
||||
// {
|
||||
// $colorIndex = 1;
|
||||
// foreach($this->ordinateSeries as $column => $data)
|
||||
// {
|
||||
// $color = $this->colors[self::GRAPHIC_COLOR_KEY . $colorIndex++];
|
||||
//
|
||||
// $this->pImage->writeLabel(
|
||||
// $column,
|
||||
// self::locateMinMaxValue($data),
|
||||
// $Format = array(
|
||||
// 'NoTitle' => true,
|
||||
// 'DrawPoint' => false,
|
||||
// 'DrawSerieColor' => true,
|
||||
// 'TitleMode' => LABEL_TITLE_NOBACKGROUND,
|
||||
// 'GradientStartR' => $color['R'],
|
||||
// 'GradientStartG' => $color['G'],
|
||||
// 'GradientStartB' => $color['B'],
|
||||
// 'GradientEndR' => 255,
|
||||
// 'GradientEndG' => 255,
|
||||
// 'GradientEndB' => 255,
|
||||
// 'BoxWidth' => 0,
|
||||
// 'VerticalMargin' => 9,
|
||||
// 'HorizontalMargin' => 7,
|
||||
// )
|
||||
// );
|
||||
// }
|
||||
// }
|
||||
// else
|
||||
// {
|
||||
// // display only one min & max label
|
||||
// }
|
||||
// }
|
||||
// }
|
||||
|
||||
// protected static function locateMinMaxValue($data)
|
||||
// {
|
||||
// $firstValue = $data[0];
|
||||
// $minValue = $firstValue;
|
||||
// $minValueIndex = 0;
|
||||
// $maxValue = $firstValue;
|
||||
// $maxValueIndex = 0;
|
||||
// foreach($data as $index => $value)
|
||||
// {
|
||||
// if ($value > $maxValue)
|
||||
// {
|
||||
// $maxValue = $value;
|
||||
// $maxValueIndex = $index;
|
||||
// }
|
||||
//
|
||||
// if ($value < $minValue)
|
||||
// {
|
||||
// $minValue = $value;
|
||||
// $minValueIndex = $index;
|
||||
// }
|
||||
// }
|
||||
//
|
||||
// return array($minValueIndex, $maxValueIndex);
|
||||
// }
|
||||
}
|
||||
Reference in New Issue
Block a user