views_handler_filter_term_node_tid.inc
- 3.x modules/taxonomy/views_handler_filter_term_node_tid.inc
- 2.x modules/taxonomy/views_handler_filter_term_node_tid.inc
File
modules/taxonomy/views_handler_filter_term_node_tid.incView source
- <?php
-
- /**
- * Filter by term id
- */
- class views_handler_filter_term_node_tid extends views_handler_filter_many_to_one {
- function has_extra_options() { return TRUE; }
-
- function get_value_options() { /* don't overwrite the value options */ }
-
- function option_definition() {
- $options = parent::option_definition();
-
- $options['type'] = array('default' => 'textfield');
- $options['limit'] = array('default' => TRUE);
- $options['vid'] = array('default' => 0);
-
- return $options;
- }
-
- function extra_options_form(&$form, &$form_state) {
- $vocabularies = taxonomy_get_vocabularies();
- foreach ($vocabularies as $voc) {
- $options[$voc->vid] = check_plain($voc->name);
- }
-
- if ($this->options['limit']) {
- // We only do this when the form is displayed.
- if ($this->options['vid'] == 0) {
- $first_vocabulary = reset($vocabularies);
- $this->options['vid'] = $first_vocabulary->vid;
- }
-
- $form['vid'] = array(
- '#prefix' => '<div class="views-left-40">',
- '#suffix' => '</div>',
- '#type' => 'radios',
- '#title' => t('Vocabulary'),
- '#options' => $options,
- '#description' => t('Select which vocabulary to show terms for in the regular options.'),
- '#default_value' => $this->options['vid'],
- );
- }
-
- $form['markup_start'] = array(
- '#value' => '<div class="views-left-40">',
- );
-
- $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']),
- '#process' => array('views_process_dependency'),
- '#dependency' => array('radio:options[type]' => array('select')),
- );
-
- $form['markup_end'] = array(
- '#value' => '</div>',
- );
- }
-
- function value_form(&$form, &$form_state) {
- $vocabulary = taxonomy_vocabulary_load($this->options['vid']);
- if (empty($vocabulary) && $this->options['limit']) {
- $form['markup'] = array(
- '#prefix' => '<div class="form-item">',
- '#suffix' => '</div>',
- '#value' => t('An invalid vocabulary is selected. Please change it in the options.'),
- );
- return;
- }
-
- if ($this->options['type'] == 'textfield') {
- $default = '';
- if ($this->value) {
- $result = db_query("SELECT * FROM {term_data} td WHERE td.tid IN (" . implode(', ', $this->value) . ')');
- while ($term = db_fetch_object($result)) {
- if ($default) {
- $default .= ', ';
- }
- $default .= $term->name;
- }
- }
-
- $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'] = 'taxonomy/autocomplete/' . $vocabulary->vid;
- }
- }
- else {
- if (!empty($this->options['hierarchy']) && $this->options['limit']) {
- $tree = taxonomy_get_tree($vocabulary->vid);
- $options = array();
-
- if ($tree) {
- foreach ($tree as $term) {
- $choice = new stdClass();
- $choice->option = array($term->tid => str_repeat('-', $term->depth) . $term->name);
- $options[] = $choice;
- }
- }
- }
- else {
- $options = array();
- if ($this->options['limit']) {
- $result = db_query(db_rewrite_sql("SELECT t.* FROM {term_data} t WHERE t.vid = %d ORDER BY t.weight, t.name", 't', 'tid'), $vocabulary->vid);
- }
- else {
- $result = db_query(db_rewrite_sql("SELECT td.* FROM {term_data} td INNER JOIN {vocabulary} v ON td.vid = v.vid ORDER BY v.weight, v.name, td.weight, td.name", 'td', 'tid'));
- }
- while ($term = db_fetch_object($result)) {
- $options[$term->tid] = $term->name;
- }
- }
-
- $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($this->options['expose']['single']) && !empty($this->options['expose']['optional'])) {
- $default_value = array();
- }
- }
-
- if (!empty($this->options['expose']['single'])) {
- if (!empty($this->options['expose']['optional']) && (empty($default_value) || !empty($this->options['expose']['reduce']))) {
- $default_value = 'All';
- }
- else if (empty($default_value)) {
- $keys = array_keys($options);
- $default_value = array_shift($keys);
- }
- 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($form_state['input'][$identifier])) {
- $form_state['input'][$identifier] = $default_value;
- }
- }
-
-
- if (empty($form_state['exposed'])) {
- // Retain the helper option
- $this->helper->options_form($form, $form_state);
- }
- }
-
- function value_validate(&$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'] = $tids;
- }
- }
-
- function accept_exposed_input($input) {
- if (empty($this->options['exposed'])) {
- return TRUE;
- }
-
- // If it's optional and there's no value don't bother filtering.
- if ($this->options['expose']['optional'] && empty($this->validated_exposed_input)) {
- return FALSE;
- }
-
- $rc = parent::accept_exposed_input($input);
- if ($rc) {
- // If we have previously validated input, override.
- if (isset($this->validated_exposed_input)) {
- $this->value = $this->validated_exposed_input;
- }
- }
-
- return $rc;
- }
-
- function exposed_validate(&$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 ($form_state['values'][$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 = $tids;
- }
- }
-
- /**
- * Validate the user string. Since this can come from either the form
- * or the exposed filter, this is abstracted out a bit so it can
- * handle the multiple input sources.
- */
- function validate_term_strings(&$form, $values) {
- if (empty($values)) {
- return array();
- }
-
- $tids = array();
- $placeholders = array();
- $args = array();
- $results = array();
- foreach ($values as $value) {
- $missing[strtolower($value)] = TRUE;
- $args[] = $value;
- $placeholders[] = "'%s'";
- }
-
- if (!$args) {
- return;
- }
-
- // add the taxonomy vid to the argument list.
- $args[] = $this->options['vid'];
-
- $result = db_query("SELECT * FROM {term_data} td WHERE td.name IN (" . implode(', ', $placeholders) . ") AND td.vid = %d", $args);
- while ($term = db_fetch_object($result)) {
- unset($missing[strtolower($term->name)]);
- $tids[] = $term->tid;
- }
-
- if ($missing) {
- form_error($form, format_plural(count($missing), 'Unable to find term: @terms', 'Unable to find terms: @terms', array('@terms' => implode(', ', array_keys($missing)))));
- }
-
- return $tids;
- }
-
- function value_submit($form, &$form_state) {
- // prevent array_filter from messing up our arrays in parent submit.
- }
-
- function expose_form_right(&$form, &$form_state) {
- parent::expose_form_right($form, $form_state);
- if ($this->options['type'] != 'select') {
- unset($form['expose']['reduce']);
- }
- }
-
- function admin_summary() {
- // set up $this->value_options for the parent summary
- $this->value_options = array();
-
- if ($this->value) {
- $result = db_query("SELECT * FROM {term_data} td WHERE td.tid IN (" . implode(', ', $this->value) . ")");
-
- while ($term = db_fetch_object($result)) {
- $this->value_options[$term->tid] = $term->name;
- }
- }
- return parent::admin_summary();
- }
- }