library; // get the feature_id's of the features that belong to this library. But we only // want 25 and we want a pager to let the user cycle between pages of features. // so we, use the chado_select_record API function to get the results and // generate the pager. The function is smart enough to know which page the user is // on and retrieves the proper set of features $element = 0; // an index to specify the pager if more than one is on the page $num_per_page = 25; // the number of features to show per page $values = [ 'library_id' => $library->library_id, ]; $columns = ['feature_id']; $options = [ 'pager' => [ 'limit' => $num_per_page, 'element' => $element, ], ]; $results = chado_select_record('library_feature', $columns, $values, $options); // now that we have all of the feature IDs, we want to expand each one so that we // have all of the neccessary values, including the node ID, if one exists, and the // cvterm type name. $features = []; foreach ($results as $library_feature) { $values = ['feature_id' => $library_feature->feature_id]; $options = [ 'include_fk' => [ 'type_id' => 1, ], ]; $features[] = chado_generate_var('feature', $values, $options); } if (count($features) > 0) { ?>

The following browser provides a quick view for new visitors. Use the searching mechanism to find specific features.

name; if (property_exists($feature, 'nid')) { $fname = l($fname, "node/$feature->nid", ['attributes' => ['target' => '_blank']]); } $rows[] = [ $fname, $feature->uniquename, $feature->type_id->name, ]; } // the $table array contains the headers and rows array as well as other // options for controlling the display of the table. Additional // documentation can be found here: // https://api.drupal.org/api/drupal/includes%21theme.inc/function/theme_table/7 $table = [ 'header' => $headers, 'rows' => $rows, 'attributes' => [ 'id' => 'tripal_library-table-features', 'class' => 'tripal-data-table', ], 'sticky' => FALSE, 'caption' => '', 'colgroups' => [], 'empty' => '', ]; // once we have our table array structure defined, we call Drupal's theme_table() // function to generate the table. print theme_table($table); // the $pager array values that control the behavior of the pager. For // documentation on the values allows in this array see: // https://api.drupal.org/api/drupal/includes!pager.inc/function/theme_pager/7 // here we add the paramter 'block' => 'feature_browser'. This is because // the pager is not on the default block that appears. When the user clicks a // page number we want the browser to re-appear with the page is loaded. // We remove the 'pane' parameter from the original query parameters because // Drupal won't reset the parameter if it already exists. $get = $_GET; unset($_GET['pane']); $pager = [ 'tags' => [], 'element' => $element, 'parameters' => [ 'pane' => 'features', ], 'quantity' => $num_per_page, ]; print theme_pager($pager); $_GET = $get; }