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index.php
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index.php
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<?php
/* You don't want that when you embed the file direclty in the HTML.
The 3 following lines should be commented when the files is direclty embedded in a HTML5 document.
On the contrary, the 3 following lines shouldn't be commented if this php file is used as a standalone
Just add [starSlash] caracters at the end of this line. */
header("Content-type: image/svg+xml");
echo '<?xml version="1.0" encoding="utf-8"?>
<?xml-stylesheet href="common.css" type="text/css"?>';
/**/
/*
* $variation can be used to experiment and test through the URL.
*/
$variation = isset($_GET['var']) ? $_GET['var'] : 12;
$datapath = isset($_GET['datapath']) ? $_GET['datapath'] . '/' : '';
$type = isset($_GET['type']) ? $_GET['type'] : '';
/* Don't embed data in this file to allow more flexibility */
require($datapath . 'data.php');
$bugsModifier = 2; /* so that the bug chart is not too tiny compared to the rest */
if ('success' === $type) {
$sprint['points'] = array_sum($sprint['dailyPoints']);
$sprint['USPoints'] = array_sum($sprint['dailyUSPoints']);
$bugsModifier = 1;
}
$graphWidth = 2000;
$graphHeight = 1000;
$GraphMargin = 150;
$unitPoint = $graphHeight / $sprint['points'];
$unitDay = $graphWidth / $sprint['days'];
$coordsModifier = $sprint['points'] - $sprint['USPoints']; /* to adapt the number of US points to the scale of tasks points */
$arrayTasksCoords = array();
$arrayUSCoords = array();
?>
<svg id="svgBurndownChart"
version="1.1"
xmlns="http://www.w3.org/2000/svg"
xmlns:xlink="http://www.w3.org/1999/xlink"
preserveAspectRatio="xMidYMid meet"
viewBox="0 0 <?= $graphWidth + 2 * $GraphMargin; ?> <?= $graphHeight + 2 * $GraphMargin; ?>">
<title>burndown chart - sprint <?= $sprint['number']; ?></title>
<defs>
<!-- filters -->
<filter id="dropShadow">
<feGaussianBlur in="SourceGraphic" stdDeviation="1" />
</filter>
<marker id="markerTasks" class="markerNode"
viewBox="-7 -7 14 14"
markerWidth="4" markerHeight="4"
orient="auto">
<circle cx="0" cy="0" r="5" />
</marker>
<marker id="markerUS" class="markerNode"
viewBox="-7 -7 14 14"
markerWidth="5" markerHeight="5"
orient="auto">
<circle cx="0" cy="0" r="5" />
</marker>
<marker id="markerBugs"
viewBox="0 0 14 14"
refX="7" refY="7"
markerWidth="5" markerHeight="5"
orient="auto">
<circle cx="7" cy="7" r="5" fill="#fff" stroke="#090" stroke-width="2" />
</marker>
</defs>
<g id="grid" class="long_sprint" transform="translate(<?= $GraphMargin. ',' .$GraphMargin; ?>)">
<rect id="graphFrame" x="0" y="0" width="<?= $graphWidth; ?>" height="<?= $graphHeight; ?>" />
<g id="ordinate">
<?php for ($i = 0; $i < $sprint['points']; $i += 10) : /* horizontal lines: points */ ?>
<line x1="0" y1="<?= $graphHeight - $i * $unitPoint; ?>" x2="<?= $graphWidth; ?>" y2="<?= $graphHeight - $i * $unitPoint; ?>" />
<text x="-12" y="<?= $graphHeight - $i * $unitPoint; ?>"><?= $i; ?></text>
<?php endfor; ?>
<text id="sprintTasksPoints" x="-12" y="-12"><?= $sprint['points']; ?></text>
</g><!-- #ordinate -->
<g id="abscissa">
<?php for ($i = 0; $i < $sprint['days']; $i += 1) : /* vertical lines: days */ ?>
<line x1="<?= $i * $unitDay; ?>" y1="0" x2="<?= $i * $unitDay; ?>" y2="<?= $graphHeight; ?>" />
<?php if($i != 0) : ?>
<text x="<?= $i * $unitDay; ?>" y="-12">day <?= $i; ?></text>
<?php endif; ?>
<?php endfor; ?>
<text x="<?= $graphWidth; ?>" y="-12">day <?= $sprint['days']; ?></text>
</g><!-- #abscissa -->
<g id="ideal">
<line id="ideal_line" x1="0" y1="0" x2="<?= $graphWidth; ?>" y2="<?= $graphHeight; ?>" />
<?php for ($i = 0; $i <= $sprint['days']; $i++) : /* ideal tasks remaining: dots */ ?>
<circle cx="<?= $i * $unitDay; ?>" cy="<?= $i * $graphHeight / $sprint['days']; ?>" r="5" />
<?php endfor; ?>
</g><!-- #ideal -->
</g><!-- #grid -->
<!-- That's our goal -->
<circle id="sprintGoal" cx="<?= $graphWidth; ?>" cy="<?= $graphHeight; ?>" r="5" transform="translate(<?= $GraphMargin. ',' .$GraphMargin; ?>)" />
<g id="legends" transform="translate(<?= $GraphMargin. ',' .$GraphMargin; ?>)">
<text x="<?= $graphWidth - 12; ?>" y="35">Sprint <?= $sprint['number']; ?></text>
<text class="tasksPoints" x="<?= $graphWidth - 12; ?>" y="<?= 70; ?>">Tasks: <?= $sprint['points']; ?></text>
<text class="USPoints" x="<?= $graphWidth - 12; ?>" y="<?= 105; ?>">User Story: <?= $sprint['USPoints'] ?></text>
<text class="bugPoints" x="<?= $graphWidth - 12; ?>" y="<?= 140; ?>">Bug Fixing Time: <?= array_sum($sprint['dailyBugs']) ?></text>
</g><!-- /#legends -->
<g id="chart-us" transform="translate(<?= $GraphMargin. ',' .$GraphMargin; ?>)">
<?php for ($i = 0, $burnedPoints = 0; $i < count($sprint['dailyUSPoints']); $i++) : /* user stories */ ?>
<?php
$previousX = ($i-1) * $unitDay + $unitDay;
$previousY = ($burnedPoints + $coordsModifier) * $unitPoint;
$burnedPoints += $sprint['dailyUSPoints'][$i];
$xUS = $i * $unitDay + $unitDay;
$yUS = ($burnedPoints + $coordsModifier) * $unitPoint;
$arrayUSCoords[$i] = $xUS .','. $yUS;
?>
<text x="<?= $xUS + 12; ?>" y="<?= $yUS - 12; ?>"><?= $sprint['USPoints'] - $burnedPoints; ?></text>
<?php endfor; ?>
<?php if(count($arrayUSCoords) == 0){$arrayUSCoords[0] = 0;} // If array is empty, set value to 0 ?>
<polyline points="0,<?= $coordsModifier * $unitPoint; ?> <?= implode(' ', $arrayUSCoords); ?>"
marker-start="url(#markerUS)"
marker-mid="url(#markerUS)"
marker-end="url(#markerUS)" />
<text x="12" y="<?= $coordsModifier * $unitPoint -12; ?>"><?= $sprint['USPoints']; ?></text>
</g><!-- /#chart-us -->
<g id="chart-tasks" transform="translate(<?= $GraphMargin. ',' .$GraphMargin; ?>)">
<?php for ($i = 0, $burnedPoints = 0; $i < count($sprint['dailyPoints']); $i++) : /* tasks */ ?>
<?php
$previousX = ($i-1) * $unitDay + $unitDay;
$previousY = $burnedPoints * $unitPoint;
$burnedPoints += $sprint['dailyPoints'][$i];
if ('added_hours' === $type) {
$burnedPoints += $sprint['dailyBugs'][$i];
}
$xTasks = $i * $unitDay + $unitDay;
$yTasks = $burnedPoints * $unitPoint;
$arrayTasksCoords[$i] = $xTasks .','. $yTasks;
?>
<text x="<?= $xTasks - 12; ?>" y="<?= $yTasks + 12; ?>"><?= $sprint['points'] - $burnedPoints; ?></text>
<?php endfor; ?>
<?php if(count($arrayTasksCoords) == 0){$arrayTasksCoords[0] = 0;} // If array is empty, set value to 0 ?>
<polyline points="0,0 <?= implode(' ', $arrayTasksCoords); ?>"
marker-start="url(#markerTasks)"
marker-mid="url(#markerTasks)"
marker-end="url(#markerTasks)" />
</g><!-- /#chart-tasks -->
<g id="chart-bugs" transform="translate(<?= $GraphMargin. ',' .$GraphMargin; ?>)">
<?php for ($i = 0, $burnedPoints = 0; $i < count($sprint['dailyBugs']); $i++) : /* tasks */ ?>
<?php
$dailyBugs = $sprint['dailyBugs'][$i];
$xBugs = $i * $unitDay + $unitDay;
$yBugs = $graphHeight - $dailyBugs * $unitPoint * $bugsModifier;
$arrayBugsCoords[$i] = $xBugs .', '. $yBugs;
?>
<text x="<?= $xBugs + 12; ?>" y="<?= $yBugs + 12; ?>"><?= $sprint['dailyBugs'][$i]; ?></text>
<?php endfor; ?>
<?php if(count($arrayBugsCoords) == 0){$arrayBugsCoords[0] = 0;} // If array is empty, set value to 0 ?>
<polyline points="0,<?= $graphHeight; ?> <?= implode(' ', $arrayBugsCoords); ?>"
marker-start="url(#markerBugs)"
marker-mid="url(#markerBugs)"
marker-end="url(#markerBugs)" />
</g><!-- /#chart-bugs -->
<?php
/* add a 0 if a value is only one digit (1 -> 01) */
function digitNumber($value) {
return strlen($value) < 2 ? '0'.$value : $value;
}
/* global estimation */
$globalSlope = $yTasks/$xTasks;
$globalYIntercept = $yTasks - $xTasks * $globalSlope;
$globalX = $graphWidth;
$globalY = $globalX * $globalSlope + $globalYIntercept;
$globalDiff = $globalY * 100 / $graphHeight - 100;
if($globalY > $graphHeight) {
$globalY = $graphHeight;
$globalX = $globalY / $globalSlope - $globalYIntercept;
$globalDiff = 100 - $globalX * 100 / $graphWidth;
}
$globalDiffAbs = abs(round($globalDiff));
$globalRed = 100 - $globalDiffAbs == 0 ? '00' : 'ff';
$globalGreen = 100 - $globalDiffAbs == 0 ? 187 : min( (100 - $globalDiffAbs)*255, 210) - 75;
$globalGreen = $globalGreen < 0 ? '00' : digitNumber(dechex($globalGreen));
$globalColor = $globalRed.$globalGreen.'00';
/* local estimation */
$localSlope = ($yTasks - $previousY) / ($xTasks - $previousX);
$localYIntercept = $yTasks - $xTasks * $localSlope;
$localX = $graphWidth;
$localY = $localX * $localSlope + $localYIntercept;
$localDiff = $localY * 100 / $graphHeight - 100;
if($localY > $graphHeight) {
$localY = $graphHeight;
$localX = ($localY - $localYIntercept) / $localSlope;
$localDiff = 100 - $localX * 100 / $graphWidth;
}
/* points left */
$globalDiffRound = abs(round($globalDiff));
$localDiffRound = abs(round($localDiff));
if($globalDiffRound == 0){
$globalDiffLegend = $localDiffLegend = 'Success!';
}
else{
$globalDiffLegend = $globalDiff < 0 ? '% left' : '% more';
$localDiffLegend = $localDiff < 0 ? '% left' : '% more';
$globalDiffLegend = $globalDiffRound.$globalDiffLegend;
$localDiffLegend = $localDiffRound.$localDiffLegend;
}
$blink = $globalDiffAbs == 0 ? '' : '<animate attributeName="fill" values="#'.$globalColor.';#f00;#'.$globalColor.'" dur="1" repeatCount="indefinite" />';
?>
<g id="chart-global" class="estimation" fill="#<?= $globalColor; ?>" stroke="#<?= $globalColor; ?>" transform="translate(<?= $GraphMargin. ',' .$GraphMargin; ?>)">
<line
x1="0" y1="0"
x2="<?= $globalX; ?>" y2="<?= $globalY; ?>" />
<circle cx="<?= $globalX; ?>" cy="<?= $globalY; ?>" r="<?= 5 * pow($globalDiffAbs/100+1, 3); ?>">
<?= $blink; ?>
</circle>
<text x="<?= $globalX + 12; ?>" y="<?= $globalY + 12; ?>"><?= $globalDiffLegend; ?></text>
</g>
<g id="chart-local" class="estimation" transform="translate(<?= $GraphMargin. ',' .$GraphMargin; ?>)">
<line
x1="<?= $xTasks; ?>" y1="<?= $yTasks; ?>"
x2="<?= $localX; ?>" y2="<?= $localY; ?>" />
<circle cx="<?= $localX; ?>" cy="<?= $localY; ?>" r="5" />
<text x="<?= $localX + 12; ?>" y="<?= $localY + 12; ?>"><?= $localDiffLegend; ?></text>
</g>
<g id="labels" transform="translate(<?= $GraphMargin. ',' .$GraphMargin; ?>) translate(-15, -45)">
<?php for ($i = 0; $i < count($sprint['dailyPoints']); $i++) : /* labels */ ?>
<g id="labelGroup_<?= $i+1; ?>">
<g id="labelTask_<?= $i+1; ?>" class="label"
transform="translate(<?= $arrayTasksCoords[$i]; ?>)">
<path class="labelSilhouette"
d="M 2.96875,0.5 C 1.608085,0.5 0.5,1.608103 0.5,2.96875 L 0.5,45 c 0,8.00813 6.491872,14.5 14.5,14.5 8.008129,0 14.5,-6.49187 14.5,-14.5 l 0,-42.03125 C 29.5,1.605764 28.394171,0.5 27.03125,0.5 z M 15,35.5 c 5.246705,0 9.5,4.253295 9.5,9.5 0,5.246705 -4.253295,9.5 -9.5,9.5 -5.246705,0 -9.5,-4.253295 -9.5,-9.5 0,-5.246705 4.253295,-9.5 9.5,-9.5 z" />
<text class="points" x="15" y="7" fill="#333" dominant-baseline="hanging" text-anchor="middle" font-size="12px"><?= $sprint['dailyPoints'][$i]; ?></text>
</g>
<g id="labelUS_<?= $i+1; ?>" class="label"
transform="translate(<?= $arrayUSCoords[$i]; ?>)">
<path class="labelSilhouette"
d="M 2.96875,0.5 C 1.608085,0.5 0.5,1.608103 0.5,2.96875 L 0.5,45 c 0,8.00813 6.491872,14.5 14.5,14.5 8.008129,0 14.5,-6.49187 14.5,-14.5 l 0,-42.03125 C 29.5,1.605764 28.394171,0.5 27.03125,0.5 z M 15,35.5 c 5.246705,0 9.5,4.253295 9.5,9.5 0,5.246705 -4.253295,9.5 -9.5,9.5 -5.246705,0 -9.5,-4.253295 -9.5,-9.5 0,-5.246705 4.253295,-9.5 9.5,-9.5 z" />
<text class="points"
x="15" y="7"
fill="#333"><?= $sprint['dailyUSPoints'][$i]; ?></text>
</g>
</g>
<?php endfor; ?>
</g>
<script type="text/javascript" xlink:href="label.js"></script>
<script type="text/javascript">
<![CDATA[
label.init();
]]>
</script>
</svg>