summaryrefslogtreecommitdiffstats
path: root/core/modules/responsive_image/src/ResponsiveImageMappingForm.php
blob: b3780f096a0db93846c482b5077931d5df52ded4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
<?php

/**
 * @file
 * Contains Drupal\responsive_image\ResponsiveImageForm.
 */

namespace Drupal\responsive_image;

use Drupal\breakpoint\BreakpointManagerInterface;
use Drupal\Core\Entity\EntityForm;
use Drupal\Core\Form\FormStateInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Form controller for the responsive image edit/add forms.
 */
class ResponsiveImageMappingForm extends EntityForm {

  /**
   * The breakpoint manager.
   *
   * @var \Drupal\breakpoint\BreakpointManagerInterface
   */
  protected $breakpointManager;

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static(
      $container->get('breakpoint.manager')
    );
  }

  /**
   * Constructs the responsive image mapping form.
   *
   * @param \Drupal\breakpoint\BreakpointManagerInterface $breakpoint_manager
   *   The breakpoint manager.
   */
  public function __construct(BreakpointManagerInterface $breakpoint_manager) {
    $this->breakpointManager = $breakpoint_manager;
  }

  /**
   * Overrides Drupal\Core\Entity\EntityForm::form().
   *
   * @param array $form
   *   A nested array form elements comprising the form.
   * @param \Drupal\Core\Form\FormStateInterface $form_state
   *   The current state of the form.
   *
   * @return array
   *   The array containing the complete form.
   */
  public function form(array $form, FormStateInterface $form_state) {
    if ($this->operation == 'duplicate') {
      $form['#title'] = $this->t('<em>Duplicate responsive image mapping</em> @label', array('@label' => $this->entity->label()));
      $this->entity = $this->entity->createDuplicate();
    }
    if ($this->operation == 'edit') {
      $form['#title'] = $this->t('<em>Edit responsive image mapping</em> @label', array('@label' => $this->entity->label()));
    }

    /** @var \Drupal\responsive_image\ResponsiveImageMappingInterface $responsive_image_mapping */
    $responsive_image_mapping = $this->entity;
    $form['label'] = array(
      '#type' => 'textfield',
      '#title' => $this->t('Label'),
      '#maxlength' => 255,
      '#default_value' => $responsive_image_mapping->label(),
      '#description' => $this->t("Example: 'Hero image' or 'Author image'."),
      '#required' => TRUE,
    );
    $form['id'] = array(
      '#type' => 'machine_name',
      '#default_value' => $responsive_image_mapping->id(),
      '#machine_name' => array(
        'exists' => '\Drupal\responsive_image\Entity\ResponsiveImageMapping::load',
        'source' => array('label'),
      ),
      '#disabled' => (bool) $responsive_image_mapping->id() && $this->operation != 'duplicate',
    );

    if ((bool) $responsive_image_mapping->id() && $this->operation != 'duplicate') {
      $description = $this->t('Select a breakpoint group from the enabled themes.') . ' ' . $this->t("Warning: if you change the breakpoint group you lose all your selected mappings.");
    }
    else {
      $description = $this->t('Select a breakpoint group from the enabled themes.');
    }
    $form['breakpointGroup'] = array(
      '#type' => 'select',
      '#title' => $this->t('Breakpoint group'),
      '#default_value' => $responsive_image_mapping->getBreakpointGroup(),
      '#options' => $this->breakpointManager->getGroups(),
      '#required' => TRUE,
      '#description' => $description,
    );

    $image_styles = image_style_options(TRUE);
    $image_styles[RESPONSIVE_IMAGE_EMPTY_IMAGE] = $this->t('- empty image -');
    $breakpoints = $this->breakpointManager->getBreakpointsByGroup($responsive_image_mapping->getBreakpointGroup());
    foreach ($breakpoints as $breakpoint_id => $breakpoint) {
      foreach ($breakpoint->getMultipliers() as $multiplier) {
        $label = $multiplier . ' ' . $breakpoint->getLabel() . ' [' . $breakpoint->getMediaQuery() . ']';
        $form['keyed_mappings'][$breakpoint_id][$multiplier] = array(
          '#type' => 'select',
          '#title' => $label,
          '#options' => $image_styles,
          '#default_value' => $responsive_image_mapping->getImageStyle($breakpoint_id, $multiplier),
          '#description' => $this->t('Select an image style for this breakpoint.'),
        );
      }
    }

    $form['#tree'] = TRUE;

    return parent::form($form, $form_state, $responsive_image_mapping);
  }

  /**
   * {@inheritdoc}
   */
  public function validate(array $form, FormStateInterface $form_state) {
    // Only validate on edit.
    if ($form_state->hasValue('keyed_mappings')) {
      // Check if another breakpoint group is selected.
      if ($form_state->getValue('breakpointGroup') != $form_state->getCompleteForm()['breakpointGroup']['#default_value']) {
        // Remove the mappings since the breakpoint ID has changed.
        $form_state->unsetValue('keyed_mappings');
      }
    }
  }

  /**
   * Overrides Drupal\Core\Entity\EntityForm::save().
   */
  public function save(array $form, FormStateInterface $form_state) {
    /** @var \Drupal\responsive_image\ResponsiveImageMappingInterface $responsive_image_mapping */
    $responsive_image_mapping = $this->entity;
    // Remove all the existing mappings and replace with submitted values.
    $responsive_image_mapping->removeMappings();
    if ($form_state->hasValue('keyed_mappings')) {
      foreach ($form_state->getValue('keyed_mappings') as $breakpoint_id => $multipliers) {
        foreach ($multipliers as $multiplier => $image_style) {
          $responsive_image_mapping->addMapping($breakpoint_id, $multiplier, $image_style);
        }
      }
    }
    $responsive_image_mapping->save();

    $this->logger('responsive_image')->notice('Responsive image mapping @label saved.', array('@label' => $responsive_image_mapping->label()));
    drupal_set_message($this->t('Responsive image mapping %label saved.', array('%label' => $responsive_image_mapping->label())));

    // Redirect to edit form after creating a new mapping or after selecting
    // another breakpoint group.
    if (!$responsive_image_mapping->hasMappings()) {
      $form_state->setRedirect(
        'entity.responsive_image_mapping.edit_form',
        array('responsive_image_mapping' => $responsive_image_mapping->id())
      );
    }
    else {
      $form_state->setRedirect('responsive_image.mapping_page');
    }
  }

}