class views_handler_filter_term_node_tid_depth_join in Views (for Drupal 7) 7.3
Filter handler for taxonomy terms with depth.
This handler is actually part of the node table and has some restrictions, because it uses a subquery to find nodes with.
Hierarchy
- class \views_object
Expanded class hierarchy of views_handler_filter_term_node_tid_depth_join
Related topics
1 string reference to 'views_handler_filter_term_node_tid_depth_join'
- taxonomy_views_data_alter in modules/
taxonomy.views.inc - Implements hook_views_data_alter().
File
- modules/
taxonomy/ views_handler_filter_term_node_tid_depth_join.inc, line 16 - Definition of views_handler_filter_term_node_tid_depth_join.
View source
class views_handler_filter_term_node_tid_depth_join extends views_handler_filter_term_node_tid {
/**
* {@inheritdoc}
*/
public function operator_options($which = 'title') {
return array(
'or' => t('Is one of'),
);
}
/**
* {@inheritdoc}
*/
public function option_definition() {
$options = parent::option_definition();
$options['depth'] = array(
'default' => 0,
);
return $options;
}
/**
* {@inheritdoc}
*/
public function extra_options_form(&$form, &$form_state) {
parent::extra_options_form($form, $form_state);
$form['depth'] = array(
'#type' => 'weight',
'#title' => t('Depth'),
'#default_value' => $this->options['depth'],
'#description' => t('The depth will match nodes tagged with terms in the hierarchy. For example, if you have the term "fruit" and a child term "apple", with a depth of 1 (or higher) then filtering for the term "fruit" will get nodes that are tagged with "apple" as well as "fruit". If negative, the reverse is true; searching for "apple" will also pick up nodes tagged with "fruit" if depth is -1 (or lower).'),
);
}
/**
* {@inheritdoc}
*/
public function query() {
// If no filter values are present, then do nothing.
if (count($this->value) == 0) {
return;
}
elseif (count($this->value) == 1) {
// Somethis $this->value is an array with a single element so convert it.
if (is_array($this->value)) {
$this->value = current($this->value);
}
$operator = '=';
}
else {
$operator = 'IN';
// " IN ("
// . implode(', ', array_fill(0, sizeof($this->value), '%d'))
// . ")";
}
// The normal use of ensure_my_table() here breaks Views.
// So instead we trick the filter into using the alias of the base table.
// See http://drupal.org/node/271833
// If a relationship is set, we must use the alias it provides.
if (!empty($this->relationship)) {
$this->table_alias = $this->relationship;
}
elseif (isset($this->query->table_queue[$this->query->base_table]['alias'])) {
$this->table_alias = $this->query->table_queue[$this->query->base_table]['alias'];
}
else {
return;
}
// The tids variable can be an integer or an array of integers.
$tids = is_array($this->value) ? $this->value : array(
$this->value,
);
if ($this->options['depth'] > 0) {
// When the depth is positive search the children.
foreach ($tids as $tid) {
// The term must be loaded to get vid for use in taxonomy_get_tree().
if ($term = taxonomy_term_load($tid)) {
// For every tid argument find all the children down to the depth set
// in the options and save the tids for the condition.
$tree = taxonomy_get_tree($term->vid, $term->tid, (int) $this->options['depth']);
$tids = array_merge($tids, array_map('_taxonomy_get_tid_from_term', $tree));
}
}
}
elseif ($this->options['depth'] < 0) {
// When the depth is negative search the parents.
foreach ($tids as $tid) {
// For every tid argument find all the parents up to the depth set
// in the options and add the tids into the array. Since there is
// no taxonomy function to get all parents with a depth limit it
// is done here building a multidimensional array.
if ($term = taxonomy_term_load($tid)) {
// A variable is needed to track the current depth level.
$n = 0;
// Initialise our depth based parents array with the leaf term.
$parents[$n--][] = $term;
while ($n >= $this->options['depth']) {
// At each depth find the parents of the current terms.
// It is important to note that it is possible for a term to have
// multiple parents so get the parents of every parent and so on.
$parents[$n] = array();
foreach ($parents[$n + 1] as $term) {
$parents[$n] += taxonomy_get_parents($term->tid);
}
// Save all the tids for the condition.
$tids = array_merge($tids, array_map('_taxonomy_get_tid_from_term', $parents[$n]));
$n--;
}
}
}
}
// Check the size of the array and set the operator accordingly.
if (count($tids) > 1) {
$operator = 'IN';
}
else {
$tids = current($tids);
$operator = '=';
}
// Join on taxonomy index table.
$join = new views_join();
$join->table = 'taxonomy_index';
$join->field = 'nid';
$join->left_table = $this->table_alias;
$join->left_field = $this->real_field;
$join->type = 'INNER';
$join->extra = array(
array(
'field' => 'tid',
'value' => $tids,
'operator' => $operator,
),
);
$taxonomy_index_alias = $this->query
->add_relationship('taxonomy_index', $join, 'node');
}
}
Members
Name![]() |
Modifiers | Type | Description | Overrides |
---|---|---|---|---|
views_handler:: |
public | property | The type of the handler, for example filter/footer/field. | |
views_handler:: |
public | property | Where the $query object will reside:. | 1 |
views_handler:: |
public | property | The actual field in the database table, maybe different on other kind of query plugins/special handlers. | |
views_handler:: |
public | property | The relationship used for this field. | |
views_handler:: |
public | property | The alias of the table of this handler which is used in the query. | |
views_handler:: |
public | property |
The top object of a view. Overrides views_object:: |
|
views_handler:: |
public | function | Check whether current user has access to this handler. | 10 |
views_handler:: |
public | function | Determine if the handler is considered 'broken'. | 6 |
views_handler:: |
public | function | Transform a string by a certain method. | |
views_handler:: |
public | function | Submit the exposed handler form. | |
views_handler:: |
public | function | Perform any necessary changes to the form exposes prior to storage. There is no need for this function to actually store the data. | |
views_handler:: |
public | function | Provide defaults for the handler. | |
views_handler:: |
public | function | Perform any necessary changes to the form values prior to storage. There is no need for this function to actually store the data. | |
views_handler:: |
public | function | Validate the options form. | |
views_handler:: |
public | function | Shortcut to get a handler's raw field value. | |
views_handler:: |
public | function | Get the join object that should be used for this handler. | |
views_handler:: |
public | function | Provide a form for aggregation settings. | 1 |
views_handler:: |
public | function | Perform any necessary changes to the form values prior to storage. There is no need for this function to actually store the data. | 1 |
views_handler:: |
public | function | Determine if this item is 'exposed', meaning it provides form elements to let users modify the view. | |
views_handler:: |
public | function | Determine if the argument needs a style plugin. | 1 |
views_handler:: |
public | function | Provides a unique placeholders for handlers. | |
views_handler:: |
public | function | Run after the view is executed, before the result is cached. | 1 |
views_handler:: |
public | function | Run before the view is built. | 1 |
views_handler:: |
public | function | Sanitize the value for output. | |
views_handler:: |
public | function | Called just prior to query(), this lets a handler set up any relationship it needs. | |
views_handler:: |
public | function | Shortcut to display the exposed options form. | |
views_handler:: |
public | function | Return a string representing this handler's name in the UI. | 9 |
views_handler:: |
public | function | Provides the handler some groupby. | 2 |
views_handler_filter:: |
public | property | Disable the possibility to force a single value. | 6 |
views_handler_filter:: |
public | property | Disable the possibility to allow a exposed input to be optional. | |
views_handler_filter:: |
public | property | Contains the information of the selected item in a gruped filter. | |
views_handler_filter:: |
public | property | Disable the possibility to use operators. | 2 |
views_handler_filter:: |
public | property | Contains the operator which is used on the query. | |
views_handler_filter:: |
public | property | Contains the actual value of the field. | |
views_handler_filter:: |
public | function | Build the form to let users create the group of exposed filters. | |
views_handler_filter:: |
public | function | Provide default options for exposed filters. | |
views_handler_filter:: |
public | function | Save new group items, re-enumerates and remove groups marked to delete. | |
views_handler_filter:: |
public | function | Validate the build group options form. | 1 |
views_handler_filter:: |
public | function | Determine if a filter can be converted into a group. | |
views_handler_filter:: |
public | function |
Determine if a filter can be exposed. Overrides views_handler:: |
5 |
views_handler_filter:: |
public | function | Can this filter be used in OR groups? | 1 |
views_handler_filter:: |
public | function | Transform the input from a grouped filter into a standard filter. | |
views_handler_filter:: |
public | function |
Render our chunk of the exposed filter form when selecting. Overrides views_handler:: |
|
views_handler_filter:: |
public | function |
Tell the renderer about our exposed form. Overrides views_handler:: |
|
views_handler_filter:: |
public | function | Make some translations to a form item to make it more suitable to exposing. | |
views_handler_filter:: |
public | function |
Validate the options form. Overrides views_handler:: |
|
views_handler_filter:: |
public | function | Build a form with a group of operator | values to apply as a single filter. | |
views_handler_filter:: |
public | function | Options available for a grouped filter which uses checkboxes. | |
views_handler_filter:: |
public | function |
Returns TRUE if the exposed filter works like a grouped filter. Overrides views_handler:: |
|
views_handler_filter:: |
public | function |
Indicate whether users can select multiple group items. Overrides views_handler:: |
|
views_handler_filter:: |
public | function | Options form subform for setting the operator. | 6 |
views_handler_filter:: |
public | function | Perform any necessary changes to the form values prior to storage. | |
views_handler_filter:: |
public | function | Validate the operator form. | |
views_handler_filter:: |
public | function |
Provide the basic form which calls through to subforms. Overrides views_handler:: |
4 |
views_handler_filter:: |
public | function |
Simple submit handler. Overrides views_handler:: |
|
views_handler_filter:: |
public | function |
Simple validate handler. Overrides views_handler:: |
1 |
views_handler_filter:: |
public | function | Sanitizes the HTML select element's options. | |
views_handler_filter:: |
public | function | Shortcut to display the build_group/hide button. | |
views_handler_filter:: |
public | function | Shortcut to display the exposed options form. | |
views_handler_filter:: |
public | function |
Shortcut to display the expose/hide button. Overrides views_handler:: |
|
views_handler_filter:: |
public | function | Shortcut to display the operator form. | |
views_handler_filter:: |
public | function | Shortcut to display the value form. | |
views_handler_filter:: |
public | function |
Store the exposed input for processing later. Overrides views_handler:: |
|
views_handler_filter:: |
public | function | If set to remember exposed input in the session, store it there. | |
views_handler_filter_in_operator:: |
public | property | Stores all operations which are available on the form. | |
views_handler_filter_in_operator:: |
public | function |
Views handlers use a special construct function. Overrides views_object:: |
|
views_handler_filter_in_operator:: |
public | function |
Provide default options for exposed filters. Overrides views_handler_filter:: |
|
views_handler_filter_in_operator:: |
public | function | ||
views_handler_filter_in_operator:: |
public | function | ||
views_handler_filter_in_operator:: |
public | function | ||
views_handler_filter_in_operator:: |
public | function | When using exposed filters, we may be required to reduce the set. | |
views_handler_filter_in_operator:: |
public | function |
Validates the handler against the complete View. Overrides views_handler:: |
|
views_handler_filter_many_to_one:: |
public | property | Stores the Helper object which handles the many_to_one complexity. | |
views_handler_filter_many_to_one:: |
public | property |
Overrides views_handler_filter_in_operator:: |
|
views_handler_filter_many_to_one:: |
public | function |
Override ensure_my_table so we can control how this joins in.
The operator actually has influence over joining. Overrides views_handler:: |
|
views_handler_filter_many_to_one:: |
public | function |
This kind of construct makes it relatively easy for a child class to add or
remove functionality by overriding this function and adding/removing items
from this array. Overrides views_handler_filter_in_operator:: |
1 |
views_handler_filter_many_to_one:: |
public | function | ||
views_handler_filter_term_node_tid:: |
public | property | Stores the exposed input for this filter. | |
views_handler_filter_term_node_tid:: |
public | function |
Check to see if input from the exposed filters should change the behavior. Overrides views_handler_filter_in_operator:: |
|
views_handler_filter_term_node_tid:: |
public | function |
Display the filter on the administrative summary. Overrides views_handler_filter_in_operator:: |
|
views_handler_filter_term_node_tid:: |
public | function |
Validate the exposed handler form. Overrides views_handler:: |
|
views_handler_filter_term_node_tid:: |
public | function |
Options form subform for exposed filter options. Overrides views_handler_filter_in_operator:: |
|
views_handler_filter_term_node_tid:: |
public | function |
Child classes should be used to override this function and set the
'value options', unless 'options callback' is defined as a valid function
or static public method to generate these values. Overrides views_handler_filter_in_operator:: |
|
views_handler_filter_term_node_tid:: |
public | function |
If a handler has 'extra options' it will get a little settings widget and
another form called extra_options. Overrides views_handler:: |
|
views_handler_filter_term_node_tid:: |
public | function |
Provide some extra help to get the operator/value easier to use. Overrides views_handler_filter_many_to_one:: |
|
views_handler_filter_term_node_tid:: |
public | function | Validate the user string. Since this can come from either the form or the exposed filter, this is abstracted out a bit so it can handle the multiple input sources. | |
views_handler_filter_term_node_tid:: |
public | function |
Options form subform for setting options. Overrides views_handler_filter_many_to_one:: |
|
views_handler_filter_term_node_tid:: |
public | function |
Perform any necessary changes to the form values prior to storage. Overrides views_handler_filter_in_operator:: |
|
views_handler_filter_term_node_tid:: |
public | function |
Validate the options form. Overrides views_handler_filter:: |
|
views_handler_filter_term_node_tid_depth_join:: |
public | function |
Provide a form for setting options. Overrides views_handler_filter_term_node_tid:: |
|
views_handler_filter_term_node_tid_depth_join:: |
public | function |
Build strings from the operators() for 'select' options. Overrides views_handler_filter_in_operator:: |
|
views_handler_filter_term_node_tid_depth_join:: |
public | function |
Information about options for all kinds of purposes will be held here. Overrides views_handler_filter_term_node_tid:: |
|
views_handler_filter_term_node_tid_depth_join:: |
public | function |
Add this filter to the query. Overrides views_handler_filter_in_operator:: |
|
views_object:: |
public | property | Handler's definition. | |
views_object:: |
public | property | Except for displays, options for the object will be held here. | 1 |
views_object:: |
function | Collect this handler's option definition and alter them, ready for use. | ||
views_object:: |
public | function | Destructor. | 2 |
views_object:: |
public | function | 1 | |
views_object:: |
public | function | ||
views_object:: |
public | function | Always exports the option, regardless of the default value. | |
views_object:: |
public | function | Set default options on this object. | 1 |
views_object:: |
public | function | Set default options. | |
views_object:: |
public | function | Let the handler know what its full definition is. | |
views_object:: |
public | function | Unpack options over our existing defaults, drilling down into arrays so that defaults don't get totally blown away. | |
views_object:: |
public | function | Unpack a single option definition. | |
views_object:: |
public | function | Unpacks each handler to store translatable texts. | |
views_object:: |
public | function |