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<?php
// $Id: views_plugin_argument_validate_taxonomy_term.inc,v 1.4 2009/04/08 05:10:07 merlinofchaos Exp $
/**
* @file
* Contains the 'taxonomy term' argument validator plugin.
*/
/**
* Validate whether an argument is an acceptable node.
*/
class views_plugin_argument_validate_taxonomy_term extends views_plugin_argument_validate {
function validate_form(&$form, &$form_state) {
$vocabularies = taxonomy_get_vocabularies();
$options = array();
foreach ($vocabularies as $voc) {
$options[$voc->vid] = check_plain($voc->name);
}
$form['validate_argument_vocabulary'] = array(
'#type' => 'checkboxes',
'#prefix' => '<div id="edit-options-validate-argument-vocabulary-wrapper">',
'#suffix' => '</div>',
'#title' => t('Vocabularies'),
'#options' => $options,
'#default_value' => isset($this->argument->options['validate_argument_vocabulary']) ? $this->argument->options['validate_argument_vocabulary'] : array(),
'#description' => t('If you wish to validate for specific vocabularies, check them; if none are checked, all terms will pass.'),
'#process' => array('expand_checkboxes', 'views_process_dependency'),
'#dependency' => array('edit-options-validate-type' => array($this->id)),
);
$form['validate_argument_type'] = array(
'#type' => 'select',
'#title' => t('Argument type'),
'#options' => array(
'tid' => t('Term ID'),
'tids' => t('Term IDs separated by , or +'),
'name' => t('Term name or synonym'),
'convert' => t('Term name/synonym converted to Term ID'),
),
'#default_value' => isset($this->argument->options['validate_argument_type']) ? $this->argument->options['validate_argument_type'] : 'tid',
'#description' => t('Select the form of this argument; if using term name, it is generally more efficient to convert it to a term ID and use Taxonomy: Term ID rather than Taxonomy: Term Name" as an argument.'),
'#process' => array('views_process_dependency'),
'#dependency' => array('edit-options-validate-type' => array($this->id)),
);
$form['validate_argument_transform'] = array(
'#type' => 'checkbox',
'#title' => t('Transform dashes in URL to spaces in term name arguments'),
'#default_value' => isset($this->argument->options['validate_argument_transform']) ? $this->argument->options['validate_argument_transform'] : FALSE,
'#process' => array('views_process_dependency'),
'#dependency' => array('edit-options-validate-type' => array($this->id)),
);
}
function validate_argument($argument) {
$vids = isset($this->argument->options['validate_argument_vocabulary']) ? array_filter($this->argument->options['validate_argument_vocabulary']) : array();
$type = isset($this->argument->options['validate_argument_type']) ? $this->argument->options['validate_argument_type'] : 'tid';
$transform = isset($this->argument->options['validate_argument_transform']) ? $this->argument->options['validate_argument_transform'] : FALSE;
switch ($type) {
case 'tid':
if (!is_numeric($argument)) {
return FALSE;
}
$result = db_fetch_object(db_query("SELECT * FROM {term_data} WHERE tid = %d", $argument));
if (!$result) {
return FALSE;
}
return empty($vids) || !empty($vids[$result->vid]);
case 'tids':
$tids = new stdClass();
$tids->value = $argument;
$tids = views_break_phrase($argument, $tids);
if ($tids->value == array(-1)) {
return FALSE;
}
$placeholders = implode(', ', array_fill(0, sizeof($tids->value), '%d'));
$test = drupal_map_assoc($tids->value);
$titles = array();
$result = db_query("SELECT * FROM {term_data} WHERE tid IN ($placeholders)", $tids->value);
while ($term = db_fetch_object($result)) {
if ($vids && empty($vids[$term->vid])) {
return FALSE;
}
$titles[] = check_plain($term->name);
unset($test[$term->tid]);
}
$this->argument->validated_title = implode($tids->operator == 'or' ? ' + ' : ', ', $titles);
// If this is not empty, we did not find a tid.
return empty($test);
case 'name':
case 'convert':
$and = '';
if (!empty($vids)) {
$and = " AND td.vid IN(" . implode(', ', $vids) . ')';
}
if ($transform) {
$argument = str_replace('-', ' ', $argument);
}
$result = db_fetch_object(db_query("SELECT td.* FROM {term_data} td LEFT JOIN {term_synonym} ts ON ts.tid = td.tid WHERE (td.name = '%s' OR ts.name = '%s')$and", $argument, $argument));
if (!$result) {
return FALSE;
}
if ($type == 'convert') {
$this->argument->argument = $result->tid;
$this->argument->validated_title = check_plain($result->name);
}
return TRUE;
}
}
}
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