Files
kimai2/src/Utils/Color.php
2024-08-04 18:22:27 +02:00

138 lines
3.9 KiB
PHP

<?php
/*
* This file is part of the Kimai time-tracking app.
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace App\Utils;
use App\Constants;
use App\Entity\Activity;
use App\Entity\Customer;
use App\Entity\EntityWithMetaFields;
use App\Entity\Project;
use App\Entity\Timesheet;
final class Color
{
private const PALETTE = [
'#AAAAAA', '#DDDDDD', '#a972c9', '#9C27B0', '#673AB7', '#041fd1', '#5319e7',
'#3F51B5', '#0074D9', '#2196F3', '#03A9F4', '#7FDBFF', '#39CCCC', '#00BCD4',
'#006b75', '#009688', '#00bb32', '#4CAF50', '#3D9970', '#2ECC40', '#01FF70',
'#8BC34A', '#CDDC39', '#FFDC00', '#FFC107', '#FF851B', '#FF9800', '#FF5722',
'#f41a00', '#E91E63', '#85144b', '#b60205', '#FF4136', '#cc317c', '#F012BE',
'#d82d80', '#B10DC9', '#e135f4', '#2d3748', '#4a5568', '#718096'
];
public function getTimesheetColor(Timesheet $timesheet): string
{
$activity = $timesheet->getActivity();
if (null !== $activity && $activity->hasColor()) {
return $activity->getColor();
}
$project = $timesheet->getProject();
if (null !== $project) {
if ($project->hasColor()) {
return $project->getColor();
}
$customer = $project->getCustomer();
if ($customer->hasColor()) {
return $customer->getColor();
}
}
return Constants::DEFAULT_COLOR;
}
public function getColor(EntityWithMetaFields $entity, bool $defaultColor = false): ?string
{
if ($entity instanceof Timesheet) {
$color = $this->getTimesheetColor($entity);
if ($color === Constants::DEFAULT_COLOR && !$defaultColor) {
$color = null;
}
return $color;
}
if ($entity instanceof Activity) {
if ($entity->hasColor()) {
return $entity->getColor();
}
if (null !== $entity->getProject()) {
$entity = $entity->getProject();
}
}
if ($entity instanceof Project) {
if ($entity->hasColor()) {
return $entity->getColor();
}
$entity = $entity->getCustomer();
}
if ($entity instanceof Customer) {
if ($entity->hasColor()) {
return $entity->getColor();
}
}
return $defaultColor ? Constants::DEFAULT_COLOR : null;
}
public function getRandom(?string $input = null): string
{
if ($input === null) {
return $this->getRandomColor();
}
return $this->getRandomFromPalette($input);
}
public function getRandomColor(): string
{
return \sprintf('#%06x', rand(0, 16777215));
}
public function getRandomFromPalette(string $input): string
{
$id = 0;
for ($pos = 0; $pos < \strlen($input); $pos++) {
$id += mb_ord($input[$pos], 'UTF-8');
}
$key = $id % \count(self::PALETTE);
return self::PALETTE[$key];
}
public function getFontContrastColor(string $color): string
{
if (empty($color) || $color[0] !== '#') {
// do not throw exception on invalid colors, as they were not validated in the past
$color = Constants::DEFAULT_COLOR;
}
$color = substr($color, 1);
$length = \strlen($color);
if ($length === 3) {
$color = $color[0] . $color[0] . $color[1] . $color[1] . $color[2] . $color[2];
} elseif ($length !== 6) {
$color = substr(Constants::DEFAULT_COLOR, 1);
}
$r = hexdec(substr($color, 0, 2));
$g = hexdec(substr($color, 2, 2));
$b = hexdec(substr($color, 4, 2));
$yiq = (($r * 299) + ($g * 587) + ($b * 114)) / 1000;
return ($yiq >= 128) ? '#000000' : '#ffffff';
}
}