add piwik installation
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coderkun
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196
www/analytics/libs/sparkline/lib/Sparkline_Bar.php
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www/analytics/libs/sparkline/lib/Sparkline_Bar.php
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<?php
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/*
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* Sparkline PHP Graphing Library
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* Copyright 2004 James Byers <jbyers@gmail.com>
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* http://sparkline.org
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*
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* Dual-licensed under the BSD (LICENSE-BSD.txt) and GPL (LICENSE-GPL.txt)
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* licenses.
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*
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* $Id: Sparkline_Bar.php,v 1.3 2008/03/11 19:12:49 jbyers Exp $
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*
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*/
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require_once dirname(__FILE__).'/Sparkline.php';
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class Sparkline_Bar extends Sparkline {
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var $dataSeries;
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var $dataSeriesStats;
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var $dataSeriesConverted;
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var $yMin;
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var $yMax;
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var $barWidth;
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var $barSpacing;
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var $barColorDefault;
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var $barColorUnderscoreDefault;
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////////////////////////////////////////////////////////////////////////////
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// constructor
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//
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function Sparkline_Bar($catch_errors = true) {
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parent::Sparkline($catch_errors);
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$this->dataSeries = array();
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$this->dataSeriesStats = array();
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$this->dataSeriesConverted = array();
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$this->barWidth = 1;
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$this->barSpacing = 1;
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$this->barColorDefault = 'black';
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$this->barColorUnderscoreDefault = 'black';
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} // function Sparkline
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////////////////////////////////////////////////////////////////////////////
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// color, image property setting
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//
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function SetBarWidth($value) {
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$this->Debug("Sparkline_Bar :: SetBarWidth($value)", DEBUG_SET);
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$this->barWidth = $value;
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} // function SetBarWidth
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function SetBarSpacing($value) {
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$this->Debug("Sparkline_Bar :: SetBarSpacing($value)", DEBUG_SET);
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$this->barSpacing = $value;
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} // function SetBarSpacing
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function SetBarColorDefault($value) {
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$this->Debug("Sparkline_Bar :: SetBarColorDefault($value)", DEBUG_SET);
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$this->barColorDefault = $value;
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} // function SetBarColorDefault
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function SetBarColorUnderscoreDefault($value) {
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$this->Debug("Sparkline_Bar :: SetBarColorUnderscoreDefault($value)", DEBUG_SET);
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$this->barColorUnderscoreDefault = $value;
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} // function SetBarColorUnderscoreDefault
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////////////////////////////////////////////////////////////////////////////
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// data setting
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//
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function SetData($x, $y, $color = null, $underscore = false, $series = 1) {
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if(!is_numeric($x)) {
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$x = trim($x);
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}
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if(!is_numeric($y)) {
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$y = trim($y);
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}
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$this->Debug("Sparkline_Bar :: SetData($x, $y, $series)", DEBUG_SET);
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if (!is_numeric($x) ||
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!is_numeric($y)) {
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$this->Debug("Sparkline_Bar :: SetData rejected values($x, $y) in series $series", DEBUG_WARNING);
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return false;
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} // if
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if ($color == null) {
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$color = $this->barColorDefault;
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}
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$this->dataSeries[$series][$x] = array('value' => $y,
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'color' => $color,
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'underscore' => $underscore);
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if (!isset($this->dataSeriesStats[$series]['min']) ||
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$y < $this->dataSeriesStats[$series]['min']) {
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$this->dataSeriesStats[$series]['min'] = $y;
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}
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if (!isset($this->dataSeriesStats[$series]['max']) ||
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abs($y) > $this->dataSeriesStats[$series]['max']) {
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$this->dataSeriesStats[$series]['max'] = abs($y);
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}
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} // function SetData
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function SetYMin($value) {
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$this->Debug("Sparkline_Bar :: SetYMin($value)", DEBUG_SET);
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$this->yMin = $value;
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}
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function SetYMax($value) {
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$this->Debug("Sparkline_Bar :: SetYMax($value)", DEBUG_SET);
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$this->yMax = $value;
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}
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function ConvertDataSeries($series, $xBound, $yBound) {
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$this->Debug("Sparkline_Bar :: ConvertDataSeries($series, $xBound, $yBound)", DEBUG_CALLS);
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if (!isset($this->yMin)) {
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$this->yMin = $this->dataSeriesStats[$series]['min'];
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}
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if (!isset($this->yMax)) {
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$this->yMax = $this->dataSeriesStats[$series]['max'];
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}
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while (list(, $v) = each($this->dataSeries[$series])) {
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$y = floor($v['value'] * ($yBound / (abs($this->yMax) + abs($this->yMin))));
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$this->dataSeriesConverted[$series][] = array('value' => $y,
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'color' => $v['color'],
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'underscore' => $v['underscore']);
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if (!isset($this->dataSeriesStats[$series]['min_converted']) ||
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$y < $this->dataSeriesStats[$series]['min_converted']) {
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$this->dataSeriesStats[$series]['min_converted'] = $y;
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}
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if (!isset($this->dataSeriesStats[$series]['max_converted']) ||
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abs($y) > $this->dataSeriesStats[$series]['max_converted']) {
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$this->dataSeriesStats[$series]['max_converted'] = abs($y);
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}
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}
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reset($this->dataSeries[$series]);
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} // function ConvertDataSeries
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function CalculateImageWidth() {
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$this->Debug("Sparkline_Bar :: CalculateImageWidth()", DEBUG_CALLS);
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$count = sizeof($this->dataSeries[1]);
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return (($count - 1) * $this->barSpacing) + ($count * $this->barWidth);
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} // function CalculateImageWidth
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////////////////////////////////////////////////////////////////////////////
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// rendering
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//
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function Render($y) {
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$this->Debug("Sparkline_Bar :: Render($y)", DEBUG_CALLS);
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// calculate size based on sets for init
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//
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if (!parent::Init($this->CalculateImageWidth(), $y)) {
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return false;
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}
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// convert based on actual canvas size
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//
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$this->ConvertDataSeries(1, $this->GetGraphWidth(), $this->GetGraphHeight());
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// stats debugging
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//
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$this->Debug('Sparkline_Bar :: Draw' .
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' series: 1 min: ' . $this->dataSeriesStats[1]['min'] .
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' max: ' . $this->dataSeriesStats[1]['max'] .
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' height: ' . $this->GetGraphHeight() .
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' yfactor: ' . ($this->GetGraphHeight() / (abs($this->dataSeriesStats[1]['max']) + abs($this->dataSeriesStats[1]['min']))));
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$this->DrawBackground();
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$yAxis = abs(min($this->dataSeriesStats[1]['min_converted'], 0));
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for ($i = 0; $i < sizeof($this->dataSeriesConverted[1]); $i++) {
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$this->DrawRectangleFilled($i * ($this->barWidth + $this->barSpacing),
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$yAxis,
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$i * ($this->barWidth + $this->barSpacing) + $this->barWidth - 1,
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$yAxis + $this->dataSeriesConverted[1][$i]['value'],
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$this->dataSeriesConverted[1][$i]['color']);
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if ($this->dataSeriesConverted[1][$i]['underscore']) {
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$this->DrawLine(max(0, $i * ($this->barWidth + $this->barSpacing) - ($this->barSpacing / 2)),
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$yAxis,
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min($this->GetGraphWidth(), $i * ($this->barWidth + $this->barSpacing) + ($this->barSpacing / 2)),
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$yAxis,
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$this->barColorUnderscoreDefault);
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}
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}
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} // function Render
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} // class Sparkline_Bar
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?>
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