organism;
// get the list of available sequence ontology terms for which
// we will build drupal pages from features in chado. If a feature
// is not one of the specified typse we won't build a node for it.
$allowed_types = variable_get('chado_browser_feature_types');
$allowed_types = preg_replace("/[\s\n\r]+/", " ", $allowed_types);
$so_terms = explode(' ', $allowed_types);
// Don't show the browser if there are no terms
if (count($so_terms) > 0) {
// get the feature_id's of the feature that belong to this organism. 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 = [
'organism_id' => $organism->organism_id,
'type_id' => [
'name' => $so_terms,
],
];
$columns = ['feature_id'];
$options = [
'pager' => [
'limit' => $num_per_page,
'element' => $element,
],
'order_by' => ['name' => 'ASC'],
];
$results = chado_select_record('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 $result) {
$values = ['feature_id' => $result->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.
['target' => '_blank']]),
TRIPAL_INFO,
['return_html' => 1]
);
foreach ($features as $feature) {
$fname = $feature->name;
if (property_exists($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' => $rows,
'attributes' => [
'id' => 'tripal_organism-table-features',
'class' => 'tripal-data-table',
],
'sticky' => FALSE,
'caption' => '',
'colgroups' => [],
'empty' => '',
];
// once we have our table array structure defined, we call Drupal's theme_table()
// function to generate the table.
print theme_table($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' => 'feature_browser',
],
'quantity' => $num_per_page,
];
print theme_pager($pager);
$_GET = $get;
print tripal_set_message("
Administrators, please note that the feature browser will be retired in
a future version of Tripal.",
TRIPAL_INFO,
['return_html' => 1]);
}
}