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ColorPickerPlus is a Symfony 4 wrapper for Simonwep/pickr Javascript Color-Picker library.

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ColorPickerBundle

About

ColorPickerPlus is a Symfony 4 wrapper for Simonwep/pickr Javascript Color-Picker library.

WandiColorPicker

Features

  • Add a custom FormType that displays a javascript color picker
  • Add a new custom Constraint to the validator
  • Add some Twig filters to convert colors

Requirements

see composer.json

Install

$ composer require wandi/color-picker-bundle

Install the assets

php bin/console assets:install public

Entity

We recommand you to store the hexadecimal color code with alpha (AARRGGBB hex) because it's the shortest standard with a length of simply 9 chars.

You'll be able later to convert to HSL, HSLA, RGB & RGBA if needed (see below).

This bundle is packaged with a custom constraint HexColor that validates this format, see color property on the following example

namespace App\Entity;

use Doctrine\ORM\Mapping as ORM;
use Symfony\Component\Validator\Constraints as Assert;
use Wandi\ColorPickerBundle\Validator\Constraints as WandiAssert;

/**
 * Tag
 *
 * @ORM\Table(name="tag")
 * @ORM\Entity(repositoryClass="App\Repository\TagRepository")
 */
class Tag
{
    /**
     * @var int
     *
     * @ORM\Column(name="id", type="integer")
     * @ORM\Id
     * @ORM\GeneratedValue(strategy="AUTO")
     */
    private $id;
    
    /**
     * @var string
     *
     * @ORM\Column(name="title", type="string", length=255)
     * @Assert\NotBlank(message="You must fill the title.")
     */
    private $title;
    
    /**
     * @var string
     *
     * @ORM\Column(name="color", type="string", length=9)
     * @WandiAssert\HexColor()
     * @Assert\NotBlank(message="You must choose a color.")
     */
    private $color;
    
    // some getters/setters...
}

FormType

This bundle is packaged with a custom ColorPickerType that'll add the Javascript color picker to the input of your choice.

All Simonwep/pickr options are overridable, see complete configuration reference.

namespace App\Form\Type;

use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\Extension\Core\Type\TextType;
use Symfony\Component\Form\FormBuilderInterface;
use Symfony\Component\OptionsResolver\OptionsResolver;
use Wandi\ColorPickerBundle\Form\Type\ColorPickerType;
use Wandi\ColorPickerBundle\PickerOptions\Theme;

/**
 * Class TagType
 */
class TagType extends AbstractType
{
    /**
     * @param FormBuilderInterface $builder
     * @param array                $options
     */
    public function buildForm(FormBuilderInterface $builder, array $options)
    {
        // e.g. we override pickr_options theme
        $options = [
            'pickr_options' => [
                'theme' => Theme::NANO,
                // ...
            ],
        ];
    
        $builder
            ->add('title', TextType::class, ['label' => 'Title'])
            ->add('color', ColorPickerType:class, $options)
            ;
    }

    /**
     * @param OptionsResolver $resolver
     */
    public function configureOptions(OptionsResolver $resolver)
    {
        $resolver->setDefaults(
            array(
                'data_class' => 'App\Entity\Tag',
            )
        );
    }
}

Form Theme

Include our Form Theme, it contains the widget that will handle all the Javascript.

# config/packages/twig.yaml
twig:
    # ...
    form_themes:
        - '@WandiColorPicker/form/fields.html.twig'

Translations

Simonwep/pickr have 3 buttons with litteral text (Clear, Save, Cancel).

If you need to change the translations or add your own locale, simply override ColorPickerBundle.xx.yaml

Twig Filters

If you want to convert your color, use one of the following Twig filters:

<h2>Without Alpha Channel</h2>

Test hex: {{ tag.color|wandi_color_picker_convert(constant("Wandi\\ColorPickerBundle\\Twig\\ExtensionColorExtension::COLOR_HEX")) }}
> {# #FF851B #}
Test rgb: {{ tag.color|wandi_color_picker_convert(constant("Wandi\\ColorPickerBundle\\Twig\\ExtensionColorExtension::COLOR_RGB")) }}
> {# rgb(255, 133, 27) #}
Test hsl: {{ tag.color|wandi_color_picker_convert(constant("Wandi\\ColorPickerBundle\\Twig\\ExtensionColorExtension::COLOR_HSL")) }}
> {# hsl(27.89474, 100%, 55.29412%) #}

<h2>With Alpha Channel</h2>

Test hex: {{ tag.color|wandi_color_picker_convert(constant("Wandi\\ColorPickerBundle\\Twig\\ExtensionColorExtension::COLOR_HEX")) }}
> {# #39855AC4 #}
Test rgb: {{ tag.color|wandi_color_picker_convert(constant("Wandi\\ColorPickerBundle\\Twig\\ExtensionColorExtension::COLOR_RGB")) }}
> {# rgba(57, 133, 90, 0.77) #}
Test hsl: {{ tag.color|wandi_color_picker_convert(constant("Wandi\\ColorPickerBundle\\Twig\\ExtensionColorExtension::COLOR_HSL")) }}
> {# hsla(146.05263, 40%, 37.2549%, 0.77) #}

Feel free to use these helpers to set dynamically HTML inline styles (e.g. color or background-color).

If you need to know the brightness of the color, you can also use the filter:

{{ tag.color|wandi_color_picker_get_brightness }}
> {# will return Wandi\ColorPickerBundle\Twig\Extension\ColorExtension::BRIGHTNESS_LIGHT or Wandi\ColorPickerBundle\Twig\Extension\ColorExtension::BRIGHTNESS_DARK depending on the color value #}

If you apply a dynamic background-color to an HTML element, it can be usefull to also change the text color.

WandiEasyAdminPlusBundle

If you're using EasyAdminPlusBundle, our wrapper of EasyAdminBundle, you can easily use this bundle is the admin area.

Form Theme

/!\ If you are using EasyAdminBundle 2.3.1+ /!\

You have to include our Form Theme, it contains the widget that will handle all the Javascript.

# config/packages/twig.yaml
easy_admin:
    design:
        form_theme:
            - '@EasyAdmin/form/bootstrap_4.html.twig'
            - '@FOSCKEditor/Form/ckeditor_widget.html.twig'

List/Show

- { property: color, label: 'Color', template: '@WandiEasyAdminPlus/templates/wandi_color_picker.html.twig' }

WandiColorPicker - List

New/Edit

- { property: color, label: 'Color', type: 'Wandi\ColorPickerBundle\Form\Type\ColorPickerType' }

WandiColorPicker - Form

About

ColorPickerPlus is a Symfony 4 wrapper for Simonwep/pickr Javascript Color-Picker library.

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