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<?php
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/**
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* @file
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* Definition of views_handler_filter_user_name.
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*/
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/**
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* Filter handler for usernames.
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*
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* @ingroup views_filter_handlers
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*/
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class views_handler_filter_user_name extends views_handler_filter_in_operator {
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/**
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*
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*/
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public $always_multiple = TRUE;
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/**
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* {@inheritdoc}
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*/
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public function value_form(&$form, &$form_state) {
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$values = array();
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if ($this->value) {
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$result = db_query("SELECT * FROM {users} u WHERE uid IN (:uids)", array(':uids' => $this->value));
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foreach ($result as $account) {
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if ($account->uid) {
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$values[] = $account->name;
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}
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else {
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// Intentionally NOT translated.
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$values[] = 'Anonymous';
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}
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}
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}
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sort($values);
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$default_value = implode(', ', $values);
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$form['value'] = array(
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'#type' => 'textfield',
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'#title' => t('Usernames'),
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'#description' => t('Enter a comma separated list of user names.'),
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'#default_value' => $default_value,
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'#autocomplete_path' => 'admin/views/ajax/autocomplete/user',
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);
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if (!empty($form_state['exposed']) && !isset($form_state['input'][$this->options['expose']['identifier']])) {
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$form_state['input'][$this->options['expose']['identifier']] = $default_value;
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}
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}
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/**
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* {@inheritdoc}
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*/
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public function value_validate($form, &$form_state) {
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$values = drupal_explode_tags($form_state['values']['options']['value']);
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$uids = $this->validate_user_strings($form['value'], $values);
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if ($uids) {
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$form_state['values']['options']['value'] = $uids;
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}
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}
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/**
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* {@inheritdoc}
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*/
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public function accept_exposed_input($input) {
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$rc = parent::accept_exposed_input($input);
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if ($rc) {
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// If we have previously validated input, override.
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if (isset($this->validated_exposed_input)) {
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$this->value = $this->validated_exposed_input;
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}
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}
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return $rc;
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}
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/**
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* {@inheritdoc}
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*/
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public function exposed_validate(&$form, &$form_state) {
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if (empty($this->options['exposed'])) {
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return;
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}
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if (empty($this->options['expose']['identifier'])) {
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return;
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}
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$identifier = $this->options['expose']['identifier'];
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$input = $form_state['values'][$identifier];
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if ($this->options['is_grouped'] && isset($this->options['group_info']['group_items'][$input])) {
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$this->operator = $this->options['group_info']['group_items'][$input]['operator'];
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$input = $this->options['group_info']['group_items'][$input]['value'];
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}
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$values = drupal_explode_tags($input);
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if (!$this->options['is_grouped'] || ($this->options['is_grouped'] && ($input != 'All'))) {
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$uids = $this->validate_user_strings($form[$identifier], $values);
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}
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else {
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$uids = FALSE;
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}
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if ($uids) {
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$this->validated_exposed_input = $uids;
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}
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}
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/**
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* Validate the user string.
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*
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* Since this can come from either the form or the exposed filter, this is
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* abstracted out a bit so it can handle the multiple input sources.
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*/
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public function validate_user_strings(&$form, $values) {
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$uids = array();
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$placeholders = array();
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$args = array();
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$results = array();
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foreach ($values as $value) {
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if (strtolower($value) == 'anonymous') {
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$uids[] = 0;
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}
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else {
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$missing[strtolower($value)] = TRUE;
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$args[] = $value;
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$placeholders[] = "'%s'";
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}
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}
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if (!$args) {
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return $uids;
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}
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$result = db_query("SELECT * FROM {users} WHERE name IN (:names)", array(':names' => $args));
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foreach ($result as $account) {
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unset($missing[strtolower($account->name)]);
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$uids[] = $account->uid;
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}
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if ($missing) {
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form_error($form, format_plural(count($missing), 'Unable to find user: @users', 'Unable to find users: @users', array('@users' => implode(', ', array_keys($missing)))));
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}
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return $uids;
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}
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/**
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* {@inheritdoc}
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*/
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public function value_submit($form, &$form_state) {
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// Prevent array filter from removing our anonymous user.
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}
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/**
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* {@inheritdoc}
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*/
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public function get_value_options() {
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}
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/**
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* {@inheritdoc}
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*/
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public function admin_summary() {
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// Set up $this->value_options for the parent summary.
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$this->value_options = array();
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if ($this->value) {
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$result = db_query("SELECT * FROM {users} u WHERE uid IN (:uids)", array(':uids' => $this->value));
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foreach ($result as $account) {
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if ($account->uid) {
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$this->value_options[$account->uid] = $account->name;
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}
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else {
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// Intentionally NOT translated.
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$this->value_options[$account->uid] = 'Anonymous';
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}
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}
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}
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return parent::admin_summary();
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}
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}
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