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1 <?php
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2
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3 namespace Drupal\views_ui;
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4
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5 use Drupal\Core\Form\FormStateInterface;
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6 use Drupal\views\Plugin\views\wizard\WizardPluginBase;
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7 use Drupal\views\Plugin\views\wizard\WizardException;
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8 use Drupal\views\Plugin\ViewsPluginManager;
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9 use Symfony\Component\DependencyInjection\ContainerInterface;
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10
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11 /**
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12 * Form controller for the Views edit form.
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13 *
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14 * @internal
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15 */
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16 class ViewAddForm extends ViewFormBase {
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17
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18 /**
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19 * The wizard plugin manager.
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20 *
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21 * @var \Drupal\views\Plugin\ViewsPluginManager
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22 */
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23 protected $wizardManager;
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24
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25 /**
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26 * Constructs a new ViewEditForm object.
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27 *
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28 * @param \Drupal\views\Plugin\ViewsPluginManager $wizard_manager
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29 * The wizard plugin manager.
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30 */
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31 public function __construct(ViewsPluginManager $wizard_manager) {
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32 $this->wizardManager = $wizard_manager;
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33 }
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34
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35 /**
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36 * {@inheritdoc}
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37 */
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38 public static function create(ContainerInterface $container) {
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39 return new static(
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40 $container->get('plugin.manager.views.wizard')
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41 );
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42 }
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43
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44 /**
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45 * {@inheritdoc}
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46 */
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47 protected function prepareEntity() {
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48 // Do not prepare the entity while it is being added.
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49 }
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50
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51 /**
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52 * {@inheritdoc}
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53 */
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54 public function form(array $form, FormStateInterface $form_state) {
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55 $form['#attached']['library'][] = 'views_ui/views_ui.admin';
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56 $form['#attributes']['class'] = ['views-admin'];
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57
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58 $form['name'] = [
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59 '#type' => 'fieldset',
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60 '#title' => t('View basic information'),
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61 '#attributes' => ['class' => ['fieldset-no-legend']],
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62 ];
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63
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64 $form['name']['label'] = [
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65 '#type' => 'textfield',
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66 '#title' => $this->t('View name'),
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67 '#required' => TRUE,
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68 '#size' => 32,
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69 '#default_value' => '',
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70 '#maxlength' => 255,
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71 ];
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72 $form['name']['id'] = [
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73 '#type' => 'machine_name',
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74 '#maxlength' => 128,
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75 '#machine_name' => [
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76 'exists' => '\Drupal\views\Views::getView',
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77 'source' => ['name', 'label'],
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78 ],
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79 '#description' => $this->t('A unique machine-readable name for this View. It must only contain lowercase letters, numbers, and underscores.'),
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80 ];
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81
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82 $form['name']['description_enable'] = [
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83 '#type' => 'checkbox',
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84 '#title' => $this->t('Description'),
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85 ];
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86 $form['name']['description'] = [
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87 '#type' => 'textfield',
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88 '#title' => $this->t('Provide description'),
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89 '#title_display' => 'invisible',
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90 '#size' => 64,
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91 '#default_value' => '',
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92 '#states' => [
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93 'visible' => [
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94 ':input[name="description_enable"]' => ['checked' => TRUE],
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95 ],
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96 ],
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97 ];
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98
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99 // Create a wrapper for the entire dynamic portion of the form. Everything
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100 // that can be updated by AJAX goes somewhere inside here. For example, this
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101 // is needed by "Show" dropdown (below); it changes the base table of the
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102 // view and therefore potentially requires all options on the form to be
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103 // dynamically updated.
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104 $form['displays'] = [];
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105
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106 // Create the part of the form that allows the user to select the basic
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107 // properties of what the view will display.
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108 $form['displays']['show'] = [
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109 '#type' => 'fieldset',
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110 '#title' => t('View settings'),
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111 '#tree' => TRUE,
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112 '#attributes' => ['class' => ['container-inline']],
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113 ];
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114
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115 // Create the "Show" dropdown, which allows the base table of the view to be
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116 // selected.
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117 $wizard_plugins = $this->wizardManager->getDefinitions();
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118 $options = [];
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119 foreach ($wizard_plugins as $key => $wizard) {
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120 $options[$key] = $wizard['title'];
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121 }
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122 $form['displays']['show']['wizard_key'] = [
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123 '#type' => 'select',
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124 '#title' => $this->t('Show'),
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125 '#options' => $options,
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126 ];
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127 $show_form = &$form['displays']['show'];
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128 $default_value = \Drupal::moduleHandler()->moduleExists('node') ? 'node' : 'users';
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129 $show_form['wizard_key']['#default_value'] = WizardPluginBase::getSelected($form_state, ['show', 'wizard_key'], $default_value, $show_form['wizard_key']);
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130 // Changing this dropdown updates the entire content of $form['displays'] via
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131 // AJAX.
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132 views_ui_add_ajax_trigger($show_form, 'wizard_key', ['displays']);
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133
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134 // Build the rest of the form based on the currently selected wizard plugin.
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135 $wizard_key = $show_form['wizard_key']['#default_value'];
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136 $wizard_instance = $this->wizardManager->createInstance($wizard_key);
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137 $form = $wizard_instance->buildForm($form, $form_state);
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138
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139 return $form;
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140 }
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141
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142 /**
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143 * {@inheritdoc}
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144 */
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145 protected function actions(array $form, FormStateInterface $form_state) {
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146 $actions = parent::actions($form, $form_state);
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147 $actions['submit']['#value'] = $this->t('Save and edit');
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148 // Remove EntityFormController::save() form the submission handlers.
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149 $actions['submit']['#submit'] = [[$this, 'submitForm']];
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150 $actions['cancel'] = [
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151 '#type' => 'submit',
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152 '#value' => $this->t('Cancel'),
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153 '#submit' => ['::cancel'],
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154 '#limit_validation_errors' => [],
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155 ];
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156 return $actions;
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157 }
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158
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159 /**
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160 * {@inheritdoc}
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161 */
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162 public function validateForm(array &$form, FormStateInterface $form_state) {
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163 $wizard_type = $form_state->getValue(['show', 'wizard_key']);
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164 $wizard_instance = $this->wizardManager->createInstance($wizard_type);
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165 $form_state->set('wizard', $wizard_instance->getPluginDefinition());
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166 $form_state->set('wizard_instance', $wizard_instance);
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167 $errors = $wizard_instance->validateView($form, $form_state);
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168
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169 foreach ($errors as $display_errors) {
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170 foreach ($display_errors as $name => $message) {
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171 $form_state->setErrorByName($name, $message);
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172 }
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173 }
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174 }
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175
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176 /**
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177 * {@inheritdoc}
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178 */
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179 public function submitForm(array &$form, FormStateInterface $form_state) {
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180 try {
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181 /** @var $wizard \Drupal\views\Plugin\views\wizard\WizardInterface */
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182 $wizard = $form_state->get('wizard_instance');
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183 $this->entity = $wizard->createView($form, $form_state);
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184 }
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185 // @todo Figure out whether it really makes sense to throw and catch exceptions on the wizard.
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186 catch (WizardException $e) {
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187 $this->messenger()->addError($e->getMessage());
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188 $form_state->setRedirect('entity.view.collection');
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189 return;
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190 }
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191 $this->entity->save();
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192 $this->messenger()->addStatus($this->t('The view %name has been saved.', ['%name' => $form_state->getValue('label')]));
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193 $form_state->setRedirectUrl($this->entity->toUrl('edit-form'));
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194 }
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195
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196 /**
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197 * Form submission handler for the 'cancel' action.
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198 *
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199 * @param array $form
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200 * An associative array containing the structure of the form.
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201 * @param \Drupal\Core\Form\FormStateInterface $form_state
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202 * The current state of the form.
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203 */
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204 public function cancel(array $form, FormStateInterface $form_state) {
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205 $form_state->setRedirect('entity.view.collection');
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206 }
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207
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208 }
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