function views_aggregator_group_and_compress in Views Aggregator Plus 8

Same name and namespace in other branches

1. 7 views_aggregator_functions.inc \views_aggregator_group_and_compress()

Aggregates the supplied view results into grouped rows.

This function must be selected for one column (field) in the results table. Its parameters and return value are different from the other aggregation functions.

Parameters

object $view_results: The result rows as they appear on the view object.

object $field_handler: The handler for the view column to group rows on.

string $case: Whether group-inclusion is case-sensitive (the default).

Return value

array An array of groups, keyed by group value first and row number second.

1 call to views_aggregator_group_and_compress()

Table::aggregateGroups in src/Plugin/views/style/Table.php

Aggregate and compress the View's rows into groups.

5 string references to 'views_aggregator_group_and_compress'

Table::aggregateGroups in src/Plugin/views/style/Table.php

Aggregate and compress the View's rows into groups.

Table::collectAggregationFunctions in src/Plugin/views/style/Table.php

Collect the aggregation functions from the Views UI.

Table::setAggregatedGroupValues in src/Plugin/views/style/Table.php

Write the aggregated results back into the View's rendered results.

Table::validateOptionsForm in src/Plugin/views/style/Table.php

Validate the options form.

ViewsAggregatorResultsTest::testGroupResultFunctions in tests/src/Functional/Plugin/ViewsAggregatorResultsTest.php

Test the group functions.

File

./views_aggregator_functions.inc, line 137

views_aggregator_functions.inc

Code

function views_aggregator_group_and_compress($view_results, $field_handler, $case = 'case-sensitive') {
  $groups = [];
  $is_set = FALSE;
  $is_ci = strcasecmp($case, 'case-insensitive') === 0 || $case == t('case-insensitive');
  foreach ($view_results as $num => $row) {

    // Compression takes place on the rendered values. Two hyperlinks with the
    // same display texts but different hrefs will end up in different groups.
    $group_value = views_aggregator_get_cell($field_handler, $num, TRUE);
    if ($is_ci) {
      $is_set = FALSE;
      foreach (array_keys($groups) as $existing_group) {
        if (strcasecmp($group_value, $existing_group) === 0) {
          $groups[$existing_group][$num] = $row;
          $is_set = TRUE;
          break;
        }
      }
    }
    if (empty($is_set)) {
      $groups[$group_value][$num] = $row;
    }
  }

  // Caution: experiment!
  if (FALSE) {

    // For each group remove cells that are identical to the the ones above
    // them in the same group.
    foreach ($groups as $group_value => &$rows) {
      $first_row = NULL;
      foreach ($rows as $num => &$row) {
        if (!isset($first_row)) {
          $first_row = $row;
        }
        else {
          foreach ((array) $row as $field_name => $cell) {
            if ($field_name != '_field_data' && $cell == $first_row->{$field_name}) {
              unset($row->{$field_name});
            }
          }
        }
      }
    }
  }
  return $groups;
}