98 lines
2.0 KiB
PHP
98 lines
2.0 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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/**
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* Data structure to store curves
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*/
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class CurveCore
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{
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/**
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* @var float[] indexed by string
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*/
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protected $values = [];
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/**
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* @var string
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*/
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protected $label;
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/**
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* Can be: bars, steps
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*
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* @var string
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*/
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protected $type;
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/**
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* @param array $values
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*/
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public function setValues($values)
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{
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$this->values = $values;
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}
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/**
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* @param bool $time_mode
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*
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* @return string
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*/
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public function getValues($time_mode = false)
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{
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ksort($this->values);
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$string = '';
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foreach ($this->values as $key => $value) {
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$string .= '[' . addslashes((string) $key) . ($time_mode ? '000' : '') . ',' . (float) $value . '],';
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}
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return '{data:[' . rtrim($string, ',') . ']'
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. (!empty($this->label) ? ',label:"' . $this->label . '"' : '') . ''
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. (!empty($this->type) ? ',' . $this->type : '') . '}';
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}
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/**
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* @param string $x
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* @param float $y
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*/
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public function setPoint($x, $y)
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{
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$this->values[(string) $x] = (float) $y;
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}
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/**
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* @param string $label
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*/
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public function setLabel($label)
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{
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$this->label = $label;
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}
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/**
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* @param string $type accepts only 'bars' or 'steps'
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*/
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public function setType($type)
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{
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$this->type = '';
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if ($type == 'bars') {
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$this->type = 'bars:{show:true,lineWidth:10}';
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}
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if ($type == 'steps') {
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$this->type = 'lines:{show:true,steps:true}';
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}
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}
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/**
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* @param string $x
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*
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* @return float|null return point if found, null else
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*/
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public function getPoint($x)
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{
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if (array_key_exists((string) $x, $this->values)) {
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return $this->values[(string) $x];
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}
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return null;
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}
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}
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