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