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<?php
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/**
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* @file
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* Argument handler to filter results by target.
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*/
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/**
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* Argument handler to filter results by target.
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*/
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class link_views_handler_argument_target extends views_handler_argument {
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/**
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* Provide defaults for the argument when a new one is created.
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*/
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function options(&$options) {
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parent::options($options);
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}
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/**
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* Provide a default options form for the argument.
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*/
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function options_form(&$form, &$form_state) {
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$defaults = $this->default_actions();
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$form['title'] = array(
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'#prefix' => '<div class="clear-block">',
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'#suffix' => '</div>',
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'#type' => 'textfield',
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'#title' => t('Title'),
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'#default_value' => $this->options['title'],
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'#description' => t('The title to use when this argument is present; it will override the title of the view and titles from previous arguments. You can use percent substitution here to replace with argument titles. Use "%1" for the first argument, "%2" for the second, etc.'),
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);
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$form['clear_start'] = array(
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'#value' => '<div class="clear-block">',
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);
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$form['defaults_start'] = array(
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'#value' => '<div class="views-left-50">',
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);
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$form['default_action'] = array(
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'#type' => 'radios',
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'#title' => t('Action to take if argument is not present'),
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'#default_value' => $this->options['default_action'],
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);
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$form['defaults_stop'] = array(
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'#value' => '</div>',
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);
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$form['wildcard'] = array(
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'#prefix' => '<div class="views-right-50">',
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// prefix and no suffix means these two items will be grouped together.
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'#type' => 'textfield',
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'#title' => t('Wildcard'),
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'#size' => 20,
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'#default_value' => $this->options['wildcard'],
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'#description' => t('If this value is received as an argument, the argument will be ignored; i.e, "all values"'),
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);
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$form['wildcard_substitution'] = array(
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'#suffix' => '</div>',
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'#type' => 'textfield',
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'#title' => t('Wildcard title'),
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'#size' => 20,
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'#default_value' => $this->options['wildcard_substitution'],
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'#description' => t('The title to use for the wildcard in substitutions elsewhere.'),
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);
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$form['clear_stop'] = array(
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'#value' => '</div>',
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);
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$options = array();
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$validate_options = array();
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foreach ($defaults as $id => $info) {
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$options[$id] = $info['title'];
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if (empty($info['default only'])) {
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$validate_options[$id] = $info['title'];
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}
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if (!empty($info['form method'])) {
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$this->{$info['form method']}($form, $form_state);
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}
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}
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$form['default_action']['#options'] = $options;
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$form['validate_type'] = array(
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'#type' => 'select',
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'#title' => t('Validator'),
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'#default_value' => $this->options['validate_type'],
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);
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$validate_types = array('none' => t('- Basic validation -'));
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$plugins = views_fetch_plugin_data('argument validator');
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foreach ($plugins as $id => $info) {
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$valid = TRUE;
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if (!empty($info['type'])) {
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$valid = FALSE;
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if (empty($this->definition['validate type'])) {
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continue;
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}
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foreach ((array) $info['type'] as $type) {
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if ($type == $this->definition['validate type']) {
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$valid = TRUE;
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break;
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}
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}
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}
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// If we decide this validator is ok, add it to the list.
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if ($valid) {
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$plugin = views_get_plugin('argument validator', $id);
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if ($plugin) {
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$plugin->init($this->view, $this, $id);
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if ($plugin->access()) {
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$plugin->validate_form($form, $form_state, $id);
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$validate_types[$id] = $info['title'];
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}
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}
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}
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}
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asort($validate_types);
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$form['validate_type']['#options'] = $validate_types;
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// Show this gadget if *anything* but 'none' is selected
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$form['validate_fail'] = array(
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'#type' => 'select',
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'#title' => t('Action to take if argument does not validate'),
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'#default_value' => $this->options['validate_fail'],
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'#options' => $validate_options,
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);
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}
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/**
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* Set up the query for this argument.
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*
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* The argument sent may be found at $this->argument.
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*/
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function query($group_by = FALSE) {
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$this->ensure_my_table();
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// Because attributes are stored serialized, our only option is to also
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// serialize the data we're searching for and use LIKE to find similar data.
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$this->query->add_where(0, $this->table_alias . ' . ' . $this->real_field . " LIKE '%%%s%'", serialize(array('target' => $this->argument)));
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}
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}
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