function StylePluginBase::buildOptionsForm

Overrides PluginBase::buildOptionsForm

File

core/modules/views/src/Plugin/views/style/StylePluginBase.php, line 284

Class

StylePluginBase

Base class for views style plugins.

Namespace

Code

public function buildOptionsForm(&$form, FormStateInterface $form_state) {
    parent::buildOptionsForm($form, $form_state);
    // Only fields-based views can handle grouping.  Style plugins can also exclude
    // themselves from being groupable by setting their "usesGrouping" property
    // to FALSE.
    // @todo Document "usesGrouping" in docs.php when docs.php is written.
    if ($this->usesFields() && $this->usesGrouping()) {
        $options = [
            '' => $this->t('- None -'),
        ];
        $field_labels = $this->displayHandler
            ->getFieldLabels(TRUE);
        $options += $field_labels;
        // If there are no fields, we can't group on them.
        if (count($options) > 1) {
            // This is for backward compatibility, when there was just a single
            // select form.
            if (is_string($this->options['grouping'])) {
                $grouping = $this->options['grouping'];
                $this->options['grouping'] = [];
                $this->options['grouping'][0]['field'] = $grouping;
            }
            if (isset($this->options['group_rendered']) && is_string($this->options['group_rendered'])) {
                $this->options['grouping'][0]['rendered'] = $this->options['group_rendered'];
                unset($this->options['group_rendered']);
            }
            $c = count($this->options['grouping']);
            // Add a form for every grouping, plus one.
            for ($i = 0; $i <= $c; $i++) {
                $grouping = !empty($this->options['grouping'][$i]) ? $this->options['grouping'][$i] : [];
                $grouping += [
                    'field' => '',
                    'rendered' => TRUE,
                    'rendered_strip' => FALSE,
                ];
                $form['grouping'][$i]['field'] = [
                    '#type' => 'select',
                    '#title' => $this->t('Grouping field Nr.@number', [
                        '@number' => $i + 1,
                    ]),
                    '#options' => $options,
                    '#default_value' => $grouping['field'],
                    '#description' => $this->t('You may optionally specify a field by which to group the records. Leave blank to not group.'),
                ];
                $form['grouping'][$i]['rendered'] = [
                    '#type' => 'checkbox',
                    '#title' => $this->t('Use rendered output to group rows'),
                    '#default_value' => $grouping['rendered'],
                    '#description' => $this->t('If enabled the rendered output of the grouping field is used to group the rows.'),
                    '#states' => [
                        'invisible' => [
                            ':input[name="style_options[grouping][' . $i . '][field]"]' => [
                                'value' => '',
                            ],
                        ],
                    ],
                ];
                $form['grouping'][$i]['rendered_strip'] = [
                    '#type' => 'checkbox',
                    '#title' => $this->t('Remove tags from rendered output'),
                    '#default_value' => $grouping['rendered_strip'],
                    '#states' => [
                        'invisible' => [
                            ':input[name="style_options[grouping][' . $i . '][field]"]' => [
                                'value' => '',
                            ],
                        ],
                    ],
                ];
            }
        }
    }
    if ($this->usesRowClass()) {
        $form['row_class'] = [
            '#title' => $this->t('Row class'),
            '#description' => $this->t('The class to provide on each row.'),
            '#type' => 'textfield',
            '#default_value' => $this->options['row_class'],
        ];
        if ($this->usesFields()) {
            $form['row_class']['#description'] .= ' ' . $this->t('You may use field tokens as per the "Replacement patterns" used in "Rewrite the output of this field" for all fields.');
        }
        $form['default_row_class'] = [
            '#title' => $this->t('Add views row classes'),
            '#description' => $this->t('Add the default row classes like @classes to the output. You can use this to quickly reduce the amount of markup the view provides by default, at the cost of making it more difficult to apply CSS.', [
                '@classes' => 'views-row',
            ]),
            '#type' => 'checkbox',
            '#default_value' => $this->options['default_row_class'],
        ];
    }
    if (!$this->usesFields() || !empty($this->options['uses_fields'])) {
        $form['uses_fields'] = [
            '#type' => 'checkbox',
            '#title' => $this->t('Force using fields'),
            '#description' => $this->t('If neither the row nor the style plugin supports fields, this field allows to enable them, so you can for example use groupby.'),
            '#default_value' => $this->options['uses_fields'],
        ];
    }
}