'),
+ '#description' => t('A space-separated list of HTML tags allowed in the content of feed items. (Tags in this list are not removed by Drupal.)')
+ );
+
+ $form['aggregator_summary_items'] = array(
+ '#type' => 'select', '#title' => t('Items shown in sources and categories pages') ,
+ '#default_value' => variable_get('aggregator_summary_items', 3), '#options' => $items,
+ '#description' => t('Number of feed items displayed in feed and category summary pages.')
+ );
+
+ $form['aggregator_clear'] = array(
+ '#type' => 'select', '#title' => t('Discard items older than'),
+ '#default_value' => variable_get('aggregator_clear', 9676800), '#options' => $period,
+ '#description' => t('The length of time to retain feed items before discarding. (Requires a correctly configured cron maintenance task.)', array('@cron' => url('admin/reports/status')))
+ );
+
+ $form['aggregator_category_selector'] = array(
+ '#type' => 'radios', '#title' => t('Category selection type'), '#default_value' => variable_get('aggregator_category_selector', 'checkboxes'),
+ '#options' => array('checkboxes' => t('checkboxes'), 'select' => t('multiple selector')),
+ '#description' => t('The type of category selection widget displayed on categorization pages. (For a small number of categories, checkboxes are easier to use, while a multiple selector work well with large numbers of categories.)')
+ );
+
+ return system_settings_form($form);
+}
+
+/**
+ * Form builder; Generate a form to add/edit/delete aggregator categories.
+ *
+ * @ingroup forms
+ * @see aggregator_form_category_validate()
+ * @see aggregator_form_category_submit()
+ */
+function aggregator_form_category(&$form_state, $edit = array('title' => '', 'description' => '', 'cid' => NULL)) {
+ $form['title'] = array('#type' => 'textfield',
+ '#title' => t('Title'),
+ '#default_value' => $edit['title'],
+ '#maxlength' => 64,
+ '#required' => TRUE,
+ );
+ $form['description'] = array('#type' => 'textarea',
+ '#title' => t('Description'),
+ '#default_value' => $edit['description'],
+ );
+ $form['submit'] = array('#type' => 'submit', '#value' => t('Save'));
+
+ if ($edit['cid']) {
+ $form['delete'] = array('#type' => 'submit', '#value' => t('Delete'));
+ $form['cid'] = array('#type' => 'hidden', '#value' => $edit['cid']);
+ }
+
+ return $form;
+}
+
+/**
+ * Validate aggregator_form_feed form submissions.
+ */
+function aggregator_form_category_validate($form, &$form_state) {
+ if ($form_state['values']['op'] == t('Save')) {
+ // Check for duplicate titles
+ if (isset($form_state['values']['cid'])) {
+ $category = db_fetch_object(db_query("SELECT cid FROM {aggregator_category} WHERE title = '%s' AND cid <> %d", $form_state['values']['title'], $form_state['values']['cid']));
+ }
+ else {
+ $category = db_fetch_object(db_query("SELECT cid FROM {aggregator_category} WHERE title = '%s'", $form_state['values']['title']));
+ }
+ if ($category) {
+ form_set_error('title', t('A category named %category already exists. Please enter a unique title.', array('%category' => $form_state['values']['title'])));
+ }
+ }
+}
+
+/**
+ * Process aggregator_form_category form submissions.
+ *
+ * @todo Add delete confirmation dialog.
+ */
+function aggregator_form_category_submit($form, &$form_state) {
+ if ($form_state['values']['op'] == t('Delete')) {
+ $title = $form_state['values']['title'];
+ // Unset the title:
+ unset($form_state['values']['title']);
+ }
+ aggregator_save_category($form_state['values']);
+ if (isset($form_state['values']['cid'])) {
+ if (isset($form_state['values']['title'])) {
+ drupal_set_message(t('The category %category has been updated.', array('%category' => $form_state['values']['title'])));
+ if (arg(0) == 'admin') {
+ $form_state['redirect'] = 'admin/content/aggregator/';
+ return;
+ }
+ else {
+ $form_state['redirect'] = 'aggregator/categories/'. $form_state['values']['cid'];
+ return;
+ }
+ }
+ else {
+ watchdog('aggregator', 'Category %category deleted.', array('%category' => $title));
+ drupal_set_message(t('The category %category has been deleted.', array('%category' => $title)));
+ if (arg(0) == 'admin') {
+ $form_state['redirect'] = 'admin/content/aggregator/';
+ return;
+ }
+ else {
+ $form_state['redirect'] = 'aggregator/categories/';
+ return;
+ }
+ }
+ }
+ else {
+ watchdog('aggregator', 'Category %category added.', array('%category' => $form_state['values']['title']), WATCHDOG_NOTICE, l(t('view'), 'admin/content/aggregator'));
+ drupal_set_message(t('The category %category has been added.', array('%category' => $form_state['values']['title'])));
+ }
+}