function drawSunburstLevel($image, $datas, $params = array())
{
global $LANG;
$width = $params['width'] - 70;
$height = $params['height'] - 120;
$gsum = PluginMreportingMisc::getArraySum($datas);
$index = 0;
$x = $width / 2;
$y = $height / 2 + 60;
$params['depth'] = isset($params['depth']) ? $params['depth'] : PluginMreportingMisc::getArrayDepth($datas);
$params['start_angle'] = isset($params['start_angle']) ? $params['start_angle'] : 0;
$params['max_angle'] = isset($params['max_angle']) ? $params['max_angle'] : 360;
$params['level'] = isset($params['level']) ? $params['level'] : 0;
$params['current_index'] = isset($params['current_index']) ? $params['current_index'] : false;
$step = $height / $params['depth'];
$radius = $step * ($params['level'] + 1);
$darkerpalette = self::getDarkerPalette();
foreach ($datas as $key => $data) {
if (is_array($data)) {
arsort($data);
$params2 = array();
$params2 = $params;
$sum = PluginMreportingMisc::getArraySum($data);
$angle = $params['max_angle'] * $sum / $gsum;
$params2['max_angle'] = $angle;
$params2['start_angle'] = $params['start_angle'];
$params2['level'] = $params['level'] + 1;
$params2['current_index'] = $params['current_index'] === false ? $index : $params['current_index'];
$this->drawSunburstLevel($image, $data, $params2);
} else {
$angle = $params['max_angle'] * $data / $gsum;
}
//get colors
$palette = $this->getPalette(5);
if ($params['current_index'] === false) {
$color = $palette[$index];
} else {
$color = $palette[$params['current_index']];
//get lighter color
$color = "0x00" . substr(self::lighter($color, 15 * $params['level'] * $index), 0, 6);
}
$darkercolor = "0x00" . substr(self::darker($color), 0, 6);
$color_rbg = self::colorHexToRGB($color);
$darkercolor_rbg = self::colorHexToRGB($darkercolor);
//show data arc (tow arcs : 1st border color, 2nd content color)
//(Never use deg2rad() in loops, use $rad = ($deg * M_PI / 180) instead which is faster!)
imageSmoothArc($image, $x, $y, $radius + 1, $radius + 1, $darkercolor_rbg, $params['start_angle'] * M_PI / 180, ($params['start_angle'] + $angle) * M_PI / 180);
imageSmoothArc($image, $x, $y, $radius - 1, $radius - 1, $color_rbg, ($params['start_angle'] + 0.8 / ($params['level'] + 1)) * M_PI / 180, ($params['start_angle'] + $angle - 0.8 / ($params['level'] + 1)) * M_PI / 180);
//text associated with pie arc (only for angle > 2°)
$am = $params['start_angle'] + $angle / 2;
//mediant angle
$amr = $am * M_PI / 180;
//mediant angle in radiant
//adjust label position (in fonction of angle position)
$dx = $dy = 0;
if ($amr >= 7 * M_PI / 4 || $amr <= M_PI / 4) {
$dx = 0;
}
if ($amr >= M_PI / 4 && $amr <= 3 * M_PI / 4) {
$dx = ($amr - M_PI / 4) * 2 / M_PI;
}
if ($amr >= 3 * M_PI / 4 && $amr <= 5 * M_PI / 4) {
$dx = 1;
}
if ($amr >= 5 * M_PI / 4 && $amr <= 7 * M_PI / 4) {
$dx = 1 - ($amr - M_PI * 5 / 4) * 2 / M_PI;
}
if ($amr >= 7 * M_PI / 4) {
$dy = ($amr - M_PI - 3 * M_PI / 4) * 2 / M_PI;
}
if ($amr <= M_PI / 4) {
$dy = 1 - $amr * 2 / M_PI;
}
if ($amr >= M_PI / 4 && $amr <= 3 * M_PI / 4) {
$dy = 1;
}
if ($amr >= 3 * M_PI / 4 && $amr <= 5 * M_PI / 4) {
$dy = 1 - ($amr - 3 * M_PI / 4) * 2 / M_PI;
}
if ($amr >= 5 * M_PI / 4 && $amr <= 7 * M_PI / 4) {
$dy = 0;
}
//get label size
$box = @imageTTFBbox($this->fontsize, $this->fontangle, $this->font, $key);
$tw = abs($box[4] - $box[0]);
$th = abs($box[5] - $box[1]);
//define label position
if (is_array($data)) {
//show label inside its arc
$xtext = $x - $dx * $tw + cos($amr) * (0.5 * $radius - $step / 3);
$ytext = $y + $dy * $th - sin($amr) * (0.5 * $radius - $step / 4);
} else {
//show label outside of its arc
$xtext = $x + 3 - $dx * $tw + cos($amr) * (0.5 * $radius + $step / 16);
$ytext = $y + $dy * $th - sin($amr) * (0.5 * $radius + $step / 8);
}
//draw label
imagettftext($image, $this->fontsize, $this->fontangle, $xtext, $ytext, $darkercolor, $this->font, $key);
//values labels
if ($angle > 5) {
//mediant start angle in radiant (adjusted for left align label to its arc)
$samr = ($params['start_angle'] + 10 / ($params['level'] + 1)) * M_PI / 180;
//get label size
$box = @imageTTFBbox($this->fontsize, $this->fontangle, $this->font, is_array($data) ? $gsum : $data);
$tw = abs($box[4] - $box[0]);
$th = abs($box[5] - $box[1]);
//define label position
$xtext = $x - $dx * $tw + cos($samr) * (0.5 * $radius - $step / 8);
$ytext = $y + $dy * $th - sin($samr) * (0.5 * $radius - $step / 16);
//draw label
imagettftext($image, $this->fontsize, $this->fontangle, $xtext, $ytext, $this->black, $this->font, is_array($data) ? $sum : $data);
}
$params['start_angle'] += $angle;
$index++;
}
return $image;
}
/**
* show Graph datas
*
* @param $datas, ex : array( 'test1' => 15, 'test2' => 25)
* @param $unit, ex : '%', 'Kg' (optionnal)
* @param $labels2, ex : dates
* @param $flip_data, flip array if necessary
*/
static function showGraphDatas($datas = array(), $unit = '', $labels2 = array(), $flip_data = false, $show_graph = false)
{
global $LANG, $CFG_GLPI;
$simpledatas = false;
$treedatas = false;
//simple and tree array
$depth = PluginMreportingMisc::getArrayDepth($datas);
if (!$labels2 && $depth < 2) {
$simpledatas = true;
}
if ($_REQUEST['gtype'] == "sunburst") {
$treedatas = true;
}
if ($flip_data == true) {
$labels2 = array_flip($labels2);
}
$types = array();
foreach ($datas as $k => $v) {
if (is_array($v)) {
foreach ($v as $key => $val) {
if (isset($labels2[$key])) {
$types[$key][$k] = $val;
}
}
}
}
if ($flip_data != true) {
$tmp = $datas;
$datas = $types;
$types = $tmp;
}
//simple array
if ($simpledatas) {
$datas = array($LANG['plugin_mreporting']["export"][1] => 0);
}
$rand = mt_rand();
echo "<br><table class='tab_cadre' width='90%'>";
echo "<tr class='tab_bg_1'><th>";
echo "<a href=\"javascript:showHideDiv('view_datas{$rand}','viewimg','" . $CFG_GLPI["root_doc"] . "/pics/deplier_down.png','" . $CFG_GLPI["root_doc"] . "/pics/deplier_up.png');\">";
if ($show_graph) {
$img = "deplier_down.png";
} else {
$img = "deplier_up.png";
}
echo "<img alt='' name='viewimg' src=\"" . $CFG_GLPI["root_doc"] . "/pics/{$img}\"> ";
echo $LANG['plugin_mreporting']["export"][2];
echo "</a>";
echo "</th>";
echo "</tr>";
echo "</table>";
if ($show_graph) {
$visibility = "display:none;";
} else {
$visibility = "display:inline;";
}
echo "<div align='center' style='" . $visibility . "' id='view_datas{$rand}'>";
echo "<table class='tab_cadre' width='90%'>";
echo "<tr class='tab_bg_1'>";
if (!$treedatas) {
echo "<th></th>";
}
foreach ($datas as $label => $cols) {
if (!empty($labels2)) {
echo "<th>" . $labels2[$label] . "</th>";
} else {
echo "<th>" . $label . "</th>";
}
}
echo "</tr>";
if ($treedatas) {
echo "<tr class='tab_bg_1'>";
self::showGraphTreeDatas($types, $flip_data);
echo "</tr>";
} else {
foreach ($types as $label2 => $cols) {
echo "<tr class='tab_bg_1'>";
echo "<td>" . $label2 . "</td>";
if ($simpledatas) {
//simple array
echo "<td class='center'>" . $cols . " " . $unit . "</td>";
} else {
if ($treedatas) {
//multiple array
self::showGraphTreeDatas($cols, $flip_data);
} else {
//multiple array
foreach ($cols as $date => $nb) {
if (!is_array($nb)) {
echo "<td class='center'>" . $nb . " " . $unit . "</td>";
}
}
}
}
echo "</tr>";
}
}
echo "</table>";
echo "</div><br>";
}
