views_handler_filter_term_node_tid.inc in Views (for Drupal 7) 7.3
Same filename and directory in other branches
Definition of views_handler_filter_term_node_tid.
File
modules/taxonomy/views_handler_filter_term_node_tid.incView source
<?php
/**
* @file
* Definition of views_handler_filter_term_node_tid.
*/
/**
* Filter by term id.
*
* @ingroup views_filter_handlers
*/
class views_handler_filter_term_node_tid extends views_handler_filter_many_to_one {
/**
* Stores the exposed input for this filter.
*/
public $validated_exposed_input = NULL;
/**
* {@inheritdoc}
*/
public function init(&$view, &$options) {
parent::init($view, $options);
if (!empty($this->definition['vocabulary'])) {
$this->options['vocabulary'] = $this->definition['vocabulary'];
}
// Convert legacy vid option to machine name vocabulary.
if (isset($this->options['vid']) && !empty($this->options['vid']) & empty($this->options['vocabulary'])) {
$vocabularies = taxonomy_get_vocabularies();
$vid = $this->options['vid'];
if (isset($vocabularies[$vid], $vocabularies[$vid]->machine_name)) {
$this->options['vocabulary'] = $vocabularies[$vid]->machine_name;
}
}
}
/**
* {@inheritdoc}
*/
public function has_extra_options() {
return TRUE;
}
/**
* {@inheritdoc}
*/
public function get_value_options() {
// Don't overwrite the value options.
}
/**
* {@inheritdoc}
*/
public function option_definition() {
$options = parent::option_definition();
$options['type'] = array(
'default' => 'textfield',
);
$options['limit'] = array(
'default' => TRUE,
'bool' => TRUE,
);
$options['vocabulary'] = array(
'default' => 0,
);
$options['hierarchy'] = array(
'default' => 0,
);
$options['error_message'] = array(
'default' => TRUE,
'bool' => TRUE,
);
$options['optgroups'] = array(
'default' => 0,
);
return $options;
}
/**
* {@inheritdoc}
*/
public function extra_options_form(&$form, &$form_state) {
$vocabularies = taxonomy_get_vocabularies();
$options = array();
foreach ($vocabularies as $voc) {
$options[$voc->machine_name] = check_plain($voc->name);
}
if ($this->options['limit']) {
// We only do this when the form is displayed.
if (empty($this->options['vocabulary'])) {
$first_vocabulary = reset($vocabularies);
$this->options['vocabulary'] = $first_vocabulary->machine_name;
}
if (empty($this->definition['vocabulary'])) {
$form['vocabulary'] = array(
'#type' => 'radios',
'#title' => t('Vocabulary'),
'#options' => $options,
'#description' => t('Select which vocabulary to show terms for in the regular options.'),
'#default_value' => $this->options['vocabulary'],
);
}
}
$form['type'] = array(
'#type' => 'radios',
'#title' => t('Selection type'),
'#options' => array(
'select' => t('Dropdown'),
'textfield' => t('Autocomplete'),
),
'#default_value' => $this->options['type'],
);
$form['hierarchy'] = array(
'#type' => 'checkbox',
'#title' => t('Show hierarchy in dropdown'),
'#default_value' => !empty($this->options['hierarchy']),
'#dependency' => array(
'radio:options[type]' => array(
'select',
),
),
);
$form['optgroups'] = array(
'#type' => 'checkbox',
'#title' => t('Show groups in dropdown'),
'#default_value' => !empty($this->options['optgroups']),
'#dependency' => array(
'radio:options[type]' => array(
'select',
),
),
);
}
/**
* {@inheritdoc}
*/
public function value_form(&$form, &$form_state) {
$vocabulary = taxonomy_vocabulary_machine_name_load($this->options['vocabulary']);
if (empty($vocabulary) && $this->options['limit']) {
$form['markup'] = array(
'#markup' => '<div class="form-item">' . t('An invalid vocabulary is selected. Please change it in the options.') . '</div>',
);
return;
}
if ($this->options['type'] == 'textfield') {
$default = '';
if ($this->value) {
$result = taxonomy_term_load_multiple($this->value);
foreach ($result as $entity_term) {
if ($default) {
$default .= ', ';
}
$default .= entity_label('taxonomy_term', $entity_term);
}
}
$form['value'] = array(
'#title' => $this->options['limit'] ? t('Select terms from vocabulary @voc', array(
'@voc' => $vocabulary->name,
)) : t('Select terms'),
'#type' => 'textfield',
'#default_value' => $default,
);
if ($this->options['limit']) {
$form['value']['#autocomplete_path'] = 'admin/views/ajax/autocomplete/taxonomy/' . $vocabulary->vid;
}
}
else {
$options = array();
if (!empty($this->options['hierarchy']) && $this->options['limit']) {
$tree = taxonomy_get_tree($vocabulary->vid, 0, NULL, TRUE);
$options = array();
if (!empty($tree)) {
if (!empty($this->options['optgroups'])) {
foreach ($tree as $term) {
$term_name = entity_label('taxonomy_term', $term);
if ($term->parents[0] == 0) {
$parent_name = $term_name;
}
else {
$options[$parent_name][$term->tid] = str_repeat('-', $term->depth - 1) . $term_name;
}
}
}
else {
foreach ($tree as $term) {
$options[$term->tid] = str_repeat('-', $term->depth) . entity_label('taxonomy_term', $term);
}
}
}
}
else {
$query = db_select('taxonomy_term_data', 'td');
$query
->innerJoin('taxonomy_vocabulary', 'tv', 'td.vid = tv.vid');
$query
->fields('td');
$query
->orderby('tv.weight');
$query
->orderby('tv.name');
$query
->orderby('td.weight');
$query
->orderby('td.name');
$query
->addTag('taxonomy_term_access');
if ($this->options['limit']) {
$query
->condition('tv.machine_name', $vocabulary->machine_name);
}
$result = $query
->execute();
$tids = array();
foreach ($result as $term) {
$tids[] = $term->tid;
}
$entities = taxonomy_term_load_multiple($tids);
foreach ($entities as $entity_term) {
$options[$entity_term->tid] = entity_label('taxonomy_term', $entity_term);
}
}
$default_value = (array) $this->value;
if (!empty($form_state['exposed'])) {
$identifier = $this->options['expose']['identifier'];
if (!empty($this->options['expose']['reduce'])) {
$options = $this
->reduce_value_options($options);
if (!empty($this->options['expose']['multiple']) && empty($this->options['expose']['required'])) {
$default_value = array();
}
}
if (empty($this->options['expose']['multiple'])) {
if (empty($this->options['expose']['required']) && (empty($default_value) || !empty($this->options['expose']['reduce']))) {
$default_value = 'All';
}
elseif (empty($default_value)) {
$keys = array_keys($options);
$default_value = array_shift($keys);
}
elseif ($default_value == array(
'',
)) {
$default_value = 'All';
}
else {
$copy = $default_value;
$default_value = array_shift($copy);
}
}
}
$form['value'] = array(
'#type' => 'select',
'#title' => $this->options['limit'] ? t('Select terms from vocabulary @voc', array(
'@voc' => $vocabulary->name,
)) : t('Select terms'),
'#multiple' => TRUE,
'#options' => $options,
'#size' => min(9, count($options)),
'#default_value' => $default_value,
);
if (!empty($form_state['exposed']) && isset($identifier) && !isset($form_state['input'][$identifier])) {
$form_state['input'][$identifier] = $default_value;
}
}
if (empty($form_state['exposed'])) {
// Retain the helper option
$this->helper
->options_form($form, $form_state);
// Show help text if not exposed to end users.
$form['value']['#description'] = t('Leave blank for all. Otherwise, the first selected term will be the default instead of "Any".');
}
}
/**
* {@inheritdoc}
*/
public function value_validate($form, &$form_state) {
// We only validate if they've chosen the text field style.
if ($this->options['type'] != 'textfield') {
return;
}
$values = drupal_explode_tags($form_state['values']['options']['value']);
$tids = $this
->validate_term_strings($form['value'], $values);
if ($tids) {
$form_state['values']['options']['value'] = $tids;
}
}
/**
* {@inheritdoc}
*/
public function accept_exposed_input($input) {
if (empty($this->options['exposed'])) {
return TRUE;
}
// We need to know the operator, which is normally set in
// views_handler_filter::accept_exposed_input(), before we actually call
// the parent version of ourselves.
if (!empty($this->options['expose']['use_operator']) && !empty($this->options['expose']['operator_id']) && isset($input[$this->options['expose']['operator_id']])) {
$this->operator = $input[$this->options['expose']['operator_id']];
}
// If view is an attachment and is inheriting exposed filters, then assume
// exposed input has already been validated
if (!empty($this->view->is_attachment) && $this->view->display_handler
->uses_exposed()) {
$this->validated_exposed_input = (array) $this->view->exposed_raw_input[$this->options['expose']['identifier']];
}
// If we're checking for EMPTY or NOT, we don't need any input, and we can
// say that our input conditions are met by just having the right operator.
if ($this->operator == 'empty' || $this->operator == 'not empty') {
return TRUE;
}
// If it's non-required and there's no value don't bother filtering.
if (!$this->options['expose']['required'] && empty($this->validated_exposed_input)) {
return FALSE;
}
$rc = parent::accept_exposed_input($input);
if ($rc) {
// If we have previously validated input, override.
if (!$this
->is_a_group() && isset($this->validated_exposed_input)) {
$this->value = $this->validated_exposed_input;
}
}
return $rc;
}
/**
* {@inheritdoc}
*/
public function exposed_validate(&$form, &$form_state) {
if (empty($this->options['exposed'])) {
return;
}
$identifier = $this->options['expose']['identifier'];
// We only validate if they've chosen the text field style.
if ($this->options['type'] != 'textfield') {
if (isset($form_state['values'][$identifier]) && $form_state['values'][$identifier] != 'All') {
$this->validated_exposed_input = (array) $form_state['values'][$identifier];
}
return;
}
if (empty($this->options['expose']['identifier'])) {
return;
}
$values = drupal_explode_tags($form_state['values'][$identifier]);
$tids = $this
->validate_term_strings($form[$identifier], $values);
if ($tids) {
$this->validated_exposed_input = $tids;
}
}
/**
* 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.
*
* @param array $form
* The form which is used, either the views ui or the exposed filters.
* @param array $values
* The taxonomy names which will be converted to tids.
*
* @return array
* The taxonomy ids fo all validated terms.
*/
public function validate_term_strings(&$form, $values) {
if (empty($values)) {
return array();
}
$tids = array();
$names = array();
$missing = array();
foreach ($values as $value) {
$missing[strtolower($value)] = TRUE;
$names[] = $value;
}
if (!$names) {
return FALSE;
}
$query = db_select('taxonomy_term_data', 'td');
$query
->innerJoin('taxonomy_vocabulary', 'tv', 'td.vid = tv.vid');
$query
->fields('td');
$query
->condition('td.name', $names);
$query
->condition('tv.machine_name', $this->options['vocabulary']);
$query
->addTag('taxonomy_term_access');
$result = $query
->execute();
foreach ($result as $term) {
unset($missing[strtolower($term->name)]);
$tids[] = $term->tid;
}
if ($missing && !empty($this->options['error_message'])) {
form_error($form, format_plural(count($missing), 'Unable to find term: @terms', 'Unable to find terms: @terms', array(
'@terms' => implode(', ', array_keys($missing)),
)));
}
elseif ($missing && empty($this->options['error_message'])) {
$tids = array(
0,
);
}
return $tids;
}
/**
* {@inheritdoc}
*/
public function value_submit($form, &$form_state) {
// prevent array_filter from messing up our arrays in parent submit.
}
/**
* {@inheritdoc}
*/
public function expose_form(&$form, &$form_state) {
parent::expose_form($form, $form_state);
if ($this->options['type'] != 'select') {
unset($form['expose']['reduce']);
}
$form['error_message'] = array(
'#type' => 'checkbox',
'#title' => t('Display error message'),
'#default_value' => !empty($this->options['error_message']),
);
}
/**
* {@inheritdoc}
*/
public function admin_summary() {
// set up $this->value_options for the parent summary
$this->value_options = array();
if ($this->value) {
$this->value = array_filter($this->value);
$result = taxonomy_term_load_multiple($this->value);
foreach ($result as $entity_term) {
$this->value_options[$entity_term->tid] = entity_label('taxonomy_term', $entity_term);
}
}
return parent::admin_summary();
}
}
Classes
Name | Description |
---|---|
views_handler_filter_term_node_tid | Filter by term id. |