function matrix_field_formatter_view in Matrix field 8.2

Same name and namespace in other branches

1. 7.2 matrix.module \matrix_field_formatter_view()

Implements hook_field_formatter_view().

File

./matrix.module, line 717

Contains matrix.module.

Code

function matrix_field_formatter_view($entity_type, $entity, $field, $instance, $langcode, $raw_items, $display) {
  $element = array();
  if (!$raw_items) {

    //If there are no items to show (eg. no content saved for this field on this node) then hide the field
    return;
  }
  switch ($display['type']) {
    case 'matrix_default':
      if (count($raw_items[0]) == 1) {

        //if a single value is passed in from views
        $element[0] = array(
          '#markup' => field_filter_xss($raw_items[0]['value']),
        );
      }

      //transpose the $items array into a [$row][$col] = value arangement
      foreach ($raw_items as $delta => $item) {
        $items[$item['row']][$item['col']][] = matrix_cell_value($item, $field);
      }

      //work out how many rows and columns to show, which is the number of rows with at least some data in the row.

      // this count algorithm assumes the keys are in order, so make sure they are.
      ksort($items);
      foreach ($items as $row_id => $row) {
        foreach ($row as $col_id => $value) {
          if ($value != '') {
            $rows_count = $row_id;

            // if this row has a value, we don't need to keep looking at the rest
            // of the columns.
            break;
          }
        }
      }
      if ($field['settings']['cols_count'] > 0) {
        $cols_count = $field['settings']['cols_count'];
      }
      else {
        foreach ($items as $row_id => $row) {
          foreach ($row as $col_id => $value) {
            if (!empty($value)) {
              $max_cols[$col_id] = $col_id;
            }
          }
        }
        $cols_count = max($max_cols);
      }

      //populate the data part of the table rows
      $rows = array();
      for ($row = 1; $row <= $rows_count; $row++) {
        for ($col = 1; $col <= $cols_count; $col++) {
          $value = array(
            '',
          );
          if (isset($items[$row][$col])) {
            $value = $items[$row][$col];
          }
          $rows[$row][$col] = $value;
        }
      }

      //collapse any multi-valued results into a list
      foreach ($rows as $row_id => $row) {
        foreach ($row as $col_id => $values) {
          if (count($values) > 1) {
            $rows[$row_id][$col_id] = array(
              'data' => _theme('item_list', array(
                'items' => $values,
              )),
              'class' => 'matrix-col-' . $col_id . ' matrix-row-' . $row_id . ' matrix-cell-' . $row_id . '-' . $col_id,
            );
          }
          else {
            $rows[$row_id][$col_id] = array(
              'data' => $values[0],
              'class' => 'matrix-col-' . $col_id . ' matrix-row-' . $row_id . ' matrix-cell-' . $row_id . '-' . $col_id,
            );
          }
        }
      }
      if ($field['type'] == 'matrix_text' && $field['settings']['spreadsheet_style'] == TRUE) {
        for ($col = 1; $col <= $cols_count; $col++) {
          $headers[$col] = matrix_make_letter($col);
        }
        array_unshift($headers, '');

        //cell 0,0
        for ($row = 1; $row <= $rows_count; $row++) {
          $cell = array(
            'data' => $row,
            'class' => 'matrix-col-header',
          );
          array_unshift($rows[$row], $cell);
        }
      }
      elseif ($field['type'] == 'matrix_custom') {
        $headers = array();
        $headers = array_fill(1, $cols_count, '&nbsp;');

        //initialize the headers with spaces (in case headers have not title set)
        $settings = unserialize($field['settings']['settings']);
        if (isset($settings['cols'])) {
          foreach ($settings['cols'] as $col_id => $col) {
            $headers[$col_id] = $col['title'];
          }
        }
        $have_row_labels = FALSE;
        if (!empty($settings['rows'])) {
          foreach ($settings['rows'] as $row_id => $row) {
            if (!empty($row['title'])) {
              $have_row_labels = TRUE;
            }
            $cell = array(
              'data' => $row['title'],
              'class' => 'matrix-col-header',
            );
            if (isset($rows[$row_id])) {
              array_unshift($rows[$row_id], $cell);
            }
          }
        }
        if ($have_row_labels) {

          //had left lables so translate the headers one to the right
          array_unshift($headers, '');

          //cell 0,0
        }
      }
      else {
        $headers = NULL;
      }
      $element[0] = array(
        '#theme' => 'matrix_output',
        '#header' => $headers,
        '#rows' => $rows,
      );
      break;
  }
  return $element;
}