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<?php
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/**
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* @file
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* Admin page callbacks for the Twitter Block module.
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*/
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/**
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* Form constructor for the add block form.
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*
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* @see twitter_block_add_block_form_validate()
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* @see twitter_block_add_block_form_submit()
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* @ingroup forms
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*/
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function twitter_block_add_block_form($form, &$form_state) {
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module_load_include('inc', 'block', 'block.admin');
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$form = block_admin_configure($form, $form_state, 'twitter_block', NULL);
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// Other modules should be able to use hook_form_block_add_block_form_alter()
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// to modify this form, so add a base form ID
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$form_state['build_info']['base_form_id'] = 'block_add_block_form';
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// Prevent block_add_block_form_validate/submit() from being automatically
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// added because of the base form ID by providing these handlers manually
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$form['#validate'] = array('twitter_block_add_block_form_validate');
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$form['#submit'] = array('twitter_block_add_block_form_submit');
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return $form;
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}
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/**
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* Form validation handler for twitter_block_add_block_form().
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*
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* @see twitter_block_add_block_form()
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* @see twitter_block_add_block_form_submit()
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*/
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function twitter_block_add_block_form_validate($form, &$form_state) {
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$unique_description = (bool) db_query_range('SELECT 1 FROM {twitter_block} WHERE info = :info', 0, 1, array(':info' => $form_state['values']['info']))->fetchField();
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if (empty($form_state['values']['info']) || $unique_description) {
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form_set_error('info', t('Ensure that each block description is unique.'));
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}
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$unique_widget_id = (bool) db_query_range('SELECT 1 FROM {twitter_block} WHERE widget_id = :widget_id', 0, 1, array(':widget_id' => $form_state['values']['widget_id']))->fetchField();
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if (empty($form_state['values']['widget_id']) || $unique_widget_id) {
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form_set_error('widget_id', t('Ensure that each block widget ID is unique.'));
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}
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}
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/**
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* Form submission handler for twitter_block_add_block_form().
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*
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* Saves the new custom Twitter block.
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*
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* @see twitter_block_add_block_form()
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* @see twitter_block_add_block_form_validate()
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*/
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function twitter_block_add_block_form_submit($form, &$form_state) {
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// The serialized 'data' column contains the timeline settings.
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$data = array(
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'theme' => $form_state['values']['theme'],
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'link_color' => $form_state['values']['link_color'],
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'width' => $form_state['values']['width'],
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'height' => $form_state['values']['height'],
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'chrome' => $form_state['values']['chrome'],
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'border_color' => $form_state['values']['border_color'],
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'language' => $form_state['values']['language'],
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'tweet_limit' => $form_state['values']['tweet_limit'],
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'related' => $form_state['values']['related'],
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'polite' => $form_state['values']['polite'],
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);
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// Save the block configuration
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$delta = db_insert('twitter_block')
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->fields(array(
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'info' => $form_state['values']['info'],
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'widget_id' => $form_state['values']['widget_id'],
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'data' => serialize($data),
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))
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->execute();
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// Store block delta to allow other modules to work with new block
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$form_state['values']['delta'] = $delta;
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// Run the normal new block submission (borrowed from block_add_block_form_submit)
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$query = db_insert('block')->fields(array('visibility', 'pages', 'custom', 'title', 'module', 'theme', 'status', 'weight', 'delta', 'cache'));
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foreach (list_themes() as $key => $theme) {
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if ($theme->status) {
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$query->values(array(
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'visibility' => (int) $form_state['values']['visibility'],
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'pages' => trim($form_state['values']['pages']),
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'custom' => (int) $form_state['values']['custom'],
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'title' => $form_state['values']['title'],
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'module' => $form_state['values']['module'],
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'theme' => $theme->name,
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'status' => 0,
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'weight' => 0,
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'delta' => $delta,
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'cache' => DRUPAL_NO_CACHE,
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));
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}
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}
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$query->execute();
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$query = db_insert('block_role')->fields(array('rid', 'module', 'delta'));
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foreach (array_filter($form_state['values']['roles']) as $rid) {
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$query->values(array(
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'rid' => $rid,
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'module' => $form_state['values']['module'],
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'delta' => $delta,
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));
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}
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$query->execute();
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// Store regions per theme for this block
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foreach ($form_state['values']['regions'] as $theme => $region) {
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db_merge('block')
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->key(array('theme' => $theme, 'delta' => $delta, 'module' => $form_state['values']['module']))
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->fields(array(
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'region' => ($region == BLOCK_REGION_NONE ? '' : $region),
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'pages' => trim($form_state['values']['pages']),
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'status' => (int) ($region != BLOCK_REGION_NONE),
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))
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->execute();
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}
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drupal_set_message(t('The block has been created.'));
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cache_clear_all();
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$form_state['redirect'] = 'admin/structure/block';
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}
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/**
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* Form constructor for the custom Twitter block deletion form.
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*
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* @param $delta
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* The unique ID of the block within the context of $module.
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*
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* @see twitter_block_delete_submit()
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*/
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function twitter_block_delete($form, &$form_state, $delta) {
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$block = block_load('twitter_block', $delta);
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$twitter_block = twitter_block_block_get($block->delta);
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$form['info'] = array('#type' => 'hidden', '#value' => $twitter_block['info'] ? $twitter_block['info'] : $twitter_block['title']);
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$form['bid'] = array('#type' => 'hidden', '#value' => $block->delta);
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return confirm_form($form, t('Are you sure you want to delete the block %name?', array('%name' => $twitter_block['info'])), 'admin/structure/block', '', t('Delete'), t('Cancel'));
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}
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/**
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* Form submission handler for twitter_block_delete().
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*
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* @see twitter_block_delete()
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*/
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function twitter_block_delete_submit($form, &$form_state) {
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db_delete('twitter_block')
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->condition('bid', $form_state['values']['bid'])
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->execute();
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db_delete('block')
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->condition('module', 'twitter_block')
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->condition('delta', $form_state['values']['bid'])
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->execute();
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db_delete('block_role')
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->condition('module', 'twitter_block')
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->condition('delta', $form_state['values']['bid'])
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->execute();
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drupal_set_message(t('The block %name has been removed.', array('%name' => $form_state['values']['info'])));
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cache_clear_all();
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$form_state['redirect'] = 'admin/structure/block';
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return;
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}
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