123 lines
3.2 KiB
PHP
123 lines
3.2 KiB
PHP
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<?php
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/**
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* For the full copyright and license information, please view the
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* docs/licenses/LICENSE.txt file that was distributed with this source code.
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*/
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class ChartCore
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{
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/** @var int */
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protected static $poolId = 0;
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protected $width = 600;
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protected $height = 300;
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/* Time mode */
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protected $timeMode = false;
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protected $from;
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protected $to;
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protected $format;
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protected $granularity;
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protected $curves = [];
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/** @prototype void public static function init(void) */
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public static function init()
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{
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if (!self::$poolId) {
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++self::$poolId;
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return true;
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}
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}
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/** @prototype void public function __construct() */
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public function __construct()
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{
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++self::$poolId;
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}
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/** @prototype void public function setSize(int $width, int $height) */
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public function setSize($width, $height)
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{
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$this->width = (int) $width;
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$this->height = (int) $height;
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}
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/** @prototype void public function setTimeMode($from, $to, $granularity) */
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public function setTimeMode($from, $to, $granularity)
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{
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$this->granularity = $granularity;
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if (Validate::isDate($from)) {
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$from = strtotime($from);
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}
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$this->from = $from;
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if (Validate::isDate($to)) {
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$to = strtotime($to);
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}
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$this->to = $to;
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if ($granularity == 'd') {
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$this->format = '%d/%m/%y';
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}
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if ($granularity == 'w') {
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$this->format = '%d/%m/%y';
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}
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if ($granularity == 'm') {
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$this->format = '%m/%y';
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}
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if ($granularity == 'y') {
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$this->format = '%y';
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}
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$this->timeMode = true;
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}
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public function getCurve($i)
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{
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if (!array_key_exists($i, $this->curves)) {
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$this->curves[$i] = new Curve();
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}
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return $this->curves[$i];
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}
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/** @prototype void public function display() */
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public function display()
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{
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echo $this->fetch();
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}
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public function fetch()
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{
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if ($this->timeMode) {
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$options = 'xaxis:{mode:"time",timeformat:\'' . addslashes($this->format) . '\',min:' . $this->from . '000,max:' . $this->to . '000}';
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if ($this->granularity == 'd') {
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foreach ($this->curves as $curve) {
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/* @var Curve $curve */
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for ($i = $this->from; $i <= $this->to; $i = strtotime('+1 day', $i)) {
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if (!$curve->getPoint($i)) {
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$curve->setPoint($i, 0);
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}
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}
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}
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}
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}
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$jsCurves = [];
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foreach ($this->curves as $curve) {
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$jsCurves[] = $curve->getValues($this->timeMode);
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}
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if (count($jsCurves)) {
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return '
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<div id="flot' . self::$poolId . '" style="width:' . $this->width . 'px;height:' . $this->height . 'px"></div>
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<script type="text/javascript">
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$(function () {
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$.plot($(\'#flot' . self::$poolId . '\'), [' . implode(',', $jsCurves) . '], {' . ($options ?? '') . '});
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});
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</script>';
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}
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}
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}
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