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<?php
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// $Id: itunes.admin.inc,v 1.6 2009/07/31 22:45:06 drewish Exp $
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/**
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* @file
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* Admin settings for iTunes.
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*/
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/**
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* Settings form.
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*/
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function itunes_admin_settings() {
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$node_types = node_get_types();
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$content_module_exists = module_exists('content');
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$content_types = $content_module_exists ? content_types() : array();
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// Build a list of node types that iTunes could operate on.
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$options = array();
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foreach ($node_types as $type) {
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$options[$type->type] = $type->name;
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}
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$form['itunes_types'] = array(
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'#title' => t('Enable iTunes fields'),
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'#type' => 'checkboxes',
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'#options' => $options,
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'#default_value' => variable_get('itunes_types', array('audio')),
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);
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// If FileField is enabled allow selection of the enclosure's source.
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if ($content_module_exists && module_exists('filefield')) {
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$fields = variable_get('itunes_enclosure_source', array());
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$form['itunes_enclosure_source'] = array(
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'#tree' => TRUE,
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);
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// Build the node's filefield selector.
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foreach ($node_types as $type) {
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$content = $content_types[$type->type];
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$options = array(NULL => t('- None -'));
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foreach ($content['fields'] as $field_name => $field) {
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if ($field['type'] == 'filefield') {
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$options[$field_name] = $field['widget']['label'];
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}
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}
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$form['itunes_enclosure_source'][$type->type] = array(
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'#type' => 'select',
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'#options' => $options,
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'#default_value' => empty($fields[$type->type]) ? NULL : $fields[$type->type],
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'#access' => count($options) > 1,
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);
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}
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}
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// If taxonomy is enabled allow selection of the tags' source.
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if (module_exists('taxonomy')) {
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$vocabs = variable_get('itunes_keyword_source', array());
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$form['itunes_keyword_source'] = array(
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'#tree' => TRUE,
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);
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foreach ($node_types as $type) {
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$type_vocabs = taxonomy_get_vocabularies($type->type);
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$options = array(NULL => t('- None -'));
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foreach ($type_vocabs as $vid => $vocab) {
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$options[$vid] = $vocab->name;
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}
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$form['itunes_keyword_source'][$type->type] = array(
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'#type' => 'select',
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'#options' => $options,
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'#default_value' => empty($vocabs[$type->type]) ? NULL : $vocabs[$type->type],
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'#access' => count($options) > 1,
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);
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}
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}
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// Allow selection of the author's source.
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$author_source = variable_get('itunes_author_source', array());
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$form['itunes_author_source'] = array(
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'#tree' => TRUE,
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);
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foreach ($node_types as $type) {
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$options = array(
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NULL => t('- None -'),
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'node_author' => t('Node author'),
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);
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if ($content_module_exists) {
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$content = $content_types[$type->type];
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foreach ($content['fields'] as $field_name => $field) {
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if ($field['type'] == 'text' && $field['widget']['type'] == 'text_textfield') {
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$options[$field_name] = $field['widget']['label'];
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}
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elseif ($field['type'] == 'userreference') {
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$options[$field_name] = $field['widget']['label'];
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}
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}
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}
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$form['itunes_author_source'][$type->type] = array(
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'#type' => 'select',
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'#options' => $options,
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'#default_value' => empty($author_source[$type->type]) ? NULL : $author_source[$type->type],
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);
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}
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$form = system_settings_form($form);
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$form['#validate'][] = 'itunes_admin_settings_validate';
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$form['#theme'] = 'itunes_admin_settings';
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return $form;
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}
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function itunes_admin_settings_validate($form, &$form_state) {
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// Retrieve selected types - Forms API sets the value of unselected checkboxes to 0.
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$form_state['values']['itunes_types'] = array_keys(array_filter($form_state['values']['itunes_types']));
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}
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function theme_itunes_admin_settings($form) {
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$rows = array();
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$header = array($form['itunes_types']['#title']);
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unset($form['itunes_types']['#title']);
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$has_filefields = FALSE;
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$has_vocabularies = FALSE;
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foreach (element_children($form['itunes_types']) as $key) {
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$row = array(drupal_render($form['itunes_types'][$key]));
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if (isset($form['itunes_enclosure_source'][$key])) {
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$row[] = drupal_render($form['itunes_enclosure_source'][$key]);
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$has_filefields = TRUE;
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}
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if (isset($form['itunes_keyword_source'][$key])) {
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$row[] = drupal_render($form['itunes_keyword_source'][$key]);
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$has_vocabularies = TRUE;
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}
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$row[] = drupal_render($form['itunes_author_source'][$key]);
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$rows[] = $row;
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}
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if ($has_filefields) {
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$header[] = t('FileField to list in RSS feeds');
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}
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if ($has_vocabularies) {
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$header[] = t('Vocabulary to use as keywords');
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}
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$header[] = t('Source to use as author');
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return theme('table', $header, $rows) . drupal_render($form);
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}
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