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<?php
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// $Id:
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/**
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* @file
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* Taxonomy role - allows restriction of access to vocabularies
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*/
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/**
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* Implementation of hook_help().
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*/
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function taxonomy_role_help($path, $arg) {
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switch ($path) {
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case 'admin/help#taxonomy_role':
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$output = '<p>'. t('This module allows you to restrict access to vocabularies on node forms by role. Once it is installed, you will need to configure the permissions for new and existing vocabularies.'). '</p>';
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return $output;
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}
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}
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/**
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* Implementation of hook_menu().
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*/
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function taxonomy_role_menu() {
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$items = array();
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$items['admin/settings/taxonomy_role'] = array(
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'title' => t('Taxonomy Role'),
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'page callback' => 'drupal_get_form',
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'page arguments' => array('taxonomy_role_admin_settings_form'),
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'access arguments' => array('administer site configuration'),
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'description' => t('Configure Taxonomy Role settings.'),
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'type' => MENU_NORMAL_ITEM,
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);
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return $items;
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}
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/**
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* Implementation of hook_form_alter().
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*/
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function taxonomy_role_form_alter(&$form, &$form_state, $form_id) {
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if (isset($form['type']) && $form['type']['#value'] .'_node_form' == $form_id) {
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if (isset($form['taxonomy'])) {
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$vocabularies = taxonomy_get_vocabularies();
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foreach ($form['taxonomy'] as $vid => $value) {
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if (is_numeric($vid) && !user_access('access '. check_plain($vocabularies[$vid]->name) .' vocabulary')) {
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if (variable_get('taxonomy_role_'. $vid, 'hidden') == 'hidden') {
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$form['taxonomy'][$vid] = array(
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'#type' => 'value',
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'#value' => $form['taxonomy'][$vid]['#default_value'],
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);
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}
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else {
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$form['taxonomy'][$vid]['#disabled'] = TRUE;
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}
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}
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}
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if (isset($form['taxonomy']['tags'])) {
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foreach ($form['taxonomy']['tags'] as $vid => $value) {
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if (is_numeric($vid) && !user_access('access '. check_plain($vocabularies[$vid]->name) .' vocabulary')) {
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if (variable_get('taxonomy_role_'. $vid, 'hidden') == 'hidden') {
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$form['taxonomy']['tags'][$vid] = array(
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'#type' => 'value',
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'#value' => $form['taxonomy']['tags'][$vid]['#default_value'],
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);
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}
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else {
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$form['taxonomy']['tags'][$vid]['#disabled'] = TRUE;
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}
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}
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}
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}
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}
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}
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}
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/**
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* Implementation of hook_perm().
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*/
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function taxonomy_role_perm() {
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$vocabularies = taxonomy_get_vocabularies();
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$perms = array();
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foreach ($vocabularies as $vocabulary) {
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$perms[] = 'access '. check_plain($vocabulary->name) .' vocabulary';
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}
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return $perms;
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}
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/**
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* Administration page callback.
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*/
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function taxonomy_role_admin_settings_form() {
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$vocabularies = taxonomy_get_vocabularies();
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if (count($vocabularies)) {
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$form['settings'] = array(
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'#type' => 'fieldset',
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'#collapsible' => FALSE,
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'#title' => t('Vocabulary visibility'),
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'#description' => t("When a user is denied access to a vocabulary, you can decide whether that vocabulary's field will be hidden or disabled. The latter allows users to see the terms."),
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);
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$options = array(
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'hidden' => t('Hidden'),
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'disabled' => t('Disabled'),
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);
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foreach ($vocabularies as $vid => $vocabulary) {
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$form['settings']['taxonomy_role_'. $vid] = array(
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'#type' => 'select',
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'#title' => check_plain($vocabulary->name),
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'#multiple' => FALSE,
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'#required' => FALSE,
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'#options' => $options,
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'#default_value' => variable_get('taxonomy_role_'. $vid, 'hidden'),
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);
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}
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}
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return system_settings_form($form);
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}
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