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I'm using Panels in page manager to create unique pages with different blocks and panes. I'd like to be able to add settings to each individual pane such as adding a class or style. For example when I edit a block or pane, I receive this window enter image description here

I'd like to be able to add settings here but I'm not sure where to start. In Drupal 7 adding styles to individual panes was clear and I'm not sure it even has that functionality in 8 yet.

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I managed to create what I was after by using the Plugin Api I created module with the file structure

mymodule
   -src
      -Plugin
          -Block
           Block.php

In block PHP I used the following

<?php

/**
 * @file
 * Contains \Drupal\mymodule\Plugin\Block\Basic.
 */

namespace Drupal\mymodule\Plugin\Block;

use Drupal\Core\Block\BlockBase;
use Drupal\Core\Form\FormStateInterface;

/**
 *
 * @Block(
 *   id = "basic_text",
 *   admin_label = @Translation("Basic MyModule Block (basic_text)")
 * )
 */

class Basic extends BlockBase {

    /**
     * {@inheritdoc}
     */
    public function defaultConfiguration() {
        return array(
            'mymodule_string' => $this->t('Enter text here'),
            );
    }

    /**
     * {@inheritdoc}
     */
    public function blockForm($form, FormStateInterface $form_state){
        $form['mymodule_string_text'] = array(
          '#type' => 'textarea',
          '#title' => $this->t('Block contents'),
          '#description' => $this->t('This text will appear in the block.'),
          '#default_value' => $this->configuration['mymodule_string'],
        );
        $form['mymodule_style_selected'] = array(
            '#type' => 'select',
            '#title' => t('Style'),
            '#options' => array(
                0 => t('default'),
                1 => t('black'),
                2 => t('white'),
            ),
            '#default_value' => $this->configuration['mymodule_style'],
        );
        return $form;
    }
    /**
     * {@inheritdoc}
     */
    public function blockSubmit($form, FormStateInterface $form_state) {
        $this->configuration['mymodule_string'] 
         = $form_state->getValue('mymodule_string_text');
    }
    /**
     * {@inheritdoc}
     */
    public function build(){
        return array(
            '#type' => 'markup',
            '#markup' => $this->configuration['mymodule_string'],
        );
    }
}

I haven't implemented the logic handling the style options but I can now place a pane using the IPE and configure the style pane by pane.

  • Hi, have tried creating the plugin same as above but not able to see the options from the pane settings. – claire Apr 18 '17 at 7:42

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