template_preprocess_file_widget_multiple(&$variables)
Prepares variables for multi file form widget templates.
Default template: file-widget-multiple.html.twig.
Parameters
array $variables: An associative array containing:
- element: A render element representing the widgets.
File
- core/modules/file/file.field.inc, line 21
- Field module functionality for the File module.
Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 | function template_preprocess_file_widget_multiple(&$variables) { $element = $variables['element']; // Special ID and classes for draggable tables. $weight_class = $element['#id'] . '-weight'; $table_id = $element['#id'] . '-table'; // Build up a table of applicable fields. $headers = array(); $headers[] = t('File information'); if ($element['#display_field']) { $headers[] = array( 'data' => t('Display'), 'class' => array('checkbox'), ); } $headers[] = t('Weight'); $headers[] = t('Operations'); // Get our list of widgets in order (needed when the form comes back after // preview or failed validation). $widgets = array(); foreach (Element::children($element) as $key) { $widgets[] = &$element[$key]; } usort($widgets, '_field_multiple_value_form_sort_helper'); $rows = array(); foreach ($widgets as $key => &$widget) { // Save the uploading row for last. if (empty($widget['#files'])) { $widget['#title'] = $element['#file_upload_title']; $widget['#description'] = \Drupal::service('renderer')->renderPlain($element['#file_upload_description']); continue; } // Delay rendering of the buttons, so that they can be rendered later in the // "operations" column. $operations_elements = array(); foreach (Element::children($widget) as $sub_key) { if (isset($widget[$sub_key]['#type']) && $widget[$sub_key]['#type'] == 'submit') { hide($widget[$sub_key]); $operations_elements[] = &$widget[$sub_key]; } } // Delay rendering of the "Display" option and the weight selector, so that // each can be rendered later in its own column. if ($element['#display_field']) { hide($widget['display']); } hide($widget['_weight']); // Render everything else together in a column, without the normal wrappers. $widget['#theme_wrappers'] = array(); $information = drupal_render($widget); $display = ''; if ($element['#display_field']) { unset($widget['display']['#title']); $display = array( 'data' => render($widget['display']), 'class' => array('checkbox'), ); } $widget['_weight']['#attributes']['class'] = array($weight_class); $weight = render($widget['_weight']); // Arrange the row with all of the rendered columns. $row = array(); $row[] = $information; if ($element['#display_field']) { $row[] = $display; } $row[] = $weight; // Show the buttons that had previously been marked as hidden in this // preprocess function. We use show() to undo the earlier hide(). foreach (Element::children($operations_elements) as $key) { show($operations_elements[$key]); } $row[] = array( 'data' => $operations_elements, ); $rows[] = array( 'data' => $row, 'class' => isset($widget['#attributes']['class']) ? array_merge($widget['#attributes']['class'], array('draggable')) : array('draggable'), ); } $variables['table'] = array( '#type' => 'table', '#header' => $headers, '#rows' => $rows, '#attributes' => array( 'id' => $table_id, ), '#tabledrag' => array( array( 'action' => 'order', 'relationship' => 'sibling', 'group' => $weight_class, ), ), '#access' => !empty($rows), ); $variables['element'] = $element;} |
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