80 lines
2.6 KiB
PHP
80 lines
2.6 KiB
PHP
<?php
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/**
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* @file
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* Functions that are only called on the admin pages.
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*/
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/**
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* Overriding system settings form.
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*/
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function superfish_system_settings_form($form, $automatic_defaults = TRUE) {
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$form['actions']['#type'] = 'container';
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$form['actions']['#attributes']['class'][] = 'form-actions';
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$form['actions']['#weight'] = 100;
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$form['actions']['submit'] = array('#type' => 'submit', '#value' => t('Save configuration'));
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if ($automatic_defaults) {
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$form = _system_settings_form_automatic_defaults($form);
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}
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if (!empty($_POST) && form_get_errors()) {
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drupal_set_message(t('The settings have not been saved because of the errors.'), 'error');
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}
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// Adding our custom submission handler.
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$form['#submit'][] = 'superfish_admin_settings_submit';
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$form['#submit'][] = 'system_settings_form_submit';
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// By default, render the form using theme_system_settings_form().
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if (!isset($form['#theme'])) {
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$form['#theme'] = 'system_settings_form';
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}
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return $form;
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}
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/**
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* Module settings form.
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*/
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function superfish_admin_settings() {
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$form['superfish_number'] = array(
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'#type' => 'textfield',
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'#title' => t('Number of blocks'),
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'#multiple' => FALSE,
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'#description' => t('The number of Superfish menu blocks.') . ' (' . t('Default') . ': 4' . ')' . '<br />' . t('Please note decreasing this number leads to permanent deletion of blocks.'),
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'#default_value' => variable_get('superfish_number', 4),
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);
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return superfish_system_settings_form($form, FALSE);
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}
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/**
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* Implements hook_validate().
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*/
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function superfish_admin_settings_validate($form, &$form_state) {
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if (!is_numeric($form_state['values']['superfish_number'])) {
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form_set_error('superfish_number', t('Please enter a number.'));
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}
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}
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/**
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* Custom submission handler for the settings form.
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*/
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function superfish_admin_settings_submit($form, &$form_state) {
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$values = &$form_state['values'];
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$before = variable_get('superfish_number', 4);
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$after = $values['superfish_number'];
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// If the number of blocks has been decreased.
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if ($before > $after) {
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// How many blocks should be removed?
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$reduce = $before - $after;
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// Remove each block with all its variables.
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$delta = $after;
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for ($i = 0; $i < $reduce; $i++) {
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$delta++;
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db_delete('variable')->condition('name', 'superfish_%%_' . $delta, 'LIKE')->execute();
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db_delete('block')->condition('module', 'superfish')->condition('delta', $delta)->execute();
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db_delete('block_role')->condition('module', 'superfish')->condition('delta', $delta)->execute();
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}
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drupal_set_message(t('Successfully removed @number Superfish block(s).', array('@number' => $reduce)));
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}
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} |