nat_handler_argument_term_node_tid_depth.inc in Node Auto Term [NAT] 7.2
Same filename and directory in other branches
NAT (Node Auto Term) nid views argument with depth handler.
File
includes/nat_handler_argument_term_node_tid_depth.incView source
<?php
/**
* @file
* NAT (Node Auto Term) nid views argument with depth handler.
*/
/**
* Argument handler for NAT terms over NAT nid with depth.
*
* This handler is actually part of the node table and has some restrictions,
* because it uses a subquery to find nodes with
*
*/
class nat_handler_argument_term_node_tid_depth extends views_handler_argument {
function option_definition() {
$options = parent::option_definition();
$options['depth'] = array(
'default' => 0,
);
$options['break_phrase'] = array(
'default' => FALSE,
);
$options['set_breadcrumb'] = array(
'default' => FALSE,
);
return $options;
}
function options_form(&$form, &$form_state) {
$form['depth'] = array(
'#type' => 'weight',
'#title' => t('Depth'),
'#default_value' => $this->options['depth'],
'#description' => t('The depth will match nodes tagged with terms in the hierarchy. For example, if you have the term "fruit" and a child term "apple", with a depth of 1 (or higher) then filtering for the term "fruit" will get nodes that are tagged with "apple" as well as "fruit". If negative, the reverse is true; searching for "apple" will also pick up nodes tagged with "fruit" if depth is -1 (or lower).'),
);
$form['break_phrase'] = array(
'#type' => 'checkbox',
'#title' => t('Allow multiple terms per argument'),
'#description' => t('If selected, users can enter multiple arguments in the form of 1+2+3. Due to the number of JOINs it would require, AND will be treated as OR with this argument.'),
'#default_value' => !empty($this->options['break_phrase']),
);
$form['set_breadcrumb'] = array(
'#type' => 'checkbox',
'#title' => t("Set the breadcrumb for the term parents"),
'#description' => t('If selected, the breadcrumb trail will include all parent terms, each one linking to this view. Note that this only works if just one term was received.'),
'#default_value' => !empty($this->options['set_breadcrumb']),
);
parent::options_form($form, $form_state);
}
function set_breadcrumb(&$breadcrumb) {
if (empty($this->options['set_breadcrumb']) || !is_numeric($this->argument)) {
return;
}
return views_taxonomy_set_breadcrumb($breadcrumb, $this);
}
/**
* Override default_actions() to remove summary actions.
*/
function default_actions($which = NULL) {
if ($which) {
if (in_array($which, array(
'ignore',
'not found',
'empty',
'default',
))) {
return parent::default_actions($which);
}
return;
}
$actions = parent::default_actions();
unset($actions['summary asc']);
unset($actions['summary desc']);
return $actions;
}
function query($group_by = FALSE) {
$this
->ensure_my_table();
if (!empty($this->options['break_phrase'])) {
$tids = new stdClass();
$tids->value = $this->argument;
$tids = views_break_phrase($this->argument, $tids);
if ($tids->value == array(
-1,
)) {
return FALSE;
}
if (count($tids->value) > 1) {
$operator = 'IN';
}
else {
$operator = '=';
}
foreach ($tids->value as $tid) {
$nat_tid = nat_get_term($tid);
$nat_tids[] = $nat_tid->tid;
}
$tids = $nat_tids;
}
else {
$operator = "=";
$tids = $this->argument;
$nat_tid = nat_get_term($this->argument);
$tids = array(
$nat_tid->tid,
);
}
// Now build the subqueries.
$subquery = db_select('taxonomy_index', 'tn');
$subquery
->addField('tn', 'nid');
$where = db_or()
->condition('tn.tid', $tids, $operator);
$last = "tn";
if ($this->options['depth'] > 0) {
$subquery
->leftJoin('taxonomy_term_hierarchy', 'th', "th.tid = tn.tid");
$last = "th";
foreach (range(1, abs($this->options['depth'])) as $count) {
$subquery
->leftJoin('taxonomy_term_hierarchy', "th{$count}", "{$last}.parent = th{$count}.tid");
$where
->condition("th{$count}.tid", $tids, $operator);
$last = "th{$count}";
}
}
elseif ($this->options['depth'] < 0) {
foreach (range(1, abs($this->options['depth'])) as $count) {
$subquery
->leftJoin('taxonomy_term_hierarchy', "th{$count}", "{$last}.tid = th{$count}.parent");
$where
->condition("th{$count}.tid", $tids, $operator);
$last = "th{$count}";
}
}
$subquery
->condition($where);
$this->query
->add_where(0, "{$this->table_alias}.{$this->real_field}", $subquery, 'IN');
}
function title() {
$term = taxonomy_term_load($this->argument);
if (!empty($term)) {
return check_plain($term->name);
}
// TODO review text
return t('No name');
}
}
Classes
Name | Description |
---|---|
nat_handler_argument_term_node_tid_depth | Argument handler for NAT terms over NAT nid with depth. |