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<?php
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// $Id: custom_breadcrumbs.admin.inc,v 1.1.2.5 2009/09/30 12:12:11 mgn Exp $
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/**
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* @file
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* Admin page callback file for the custom_breadcrumbs module.
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*/
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/**
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* Lists all current custom breadcrumbs, and provides a link to the edit page.
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*/
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function custom_breadcrumbs_page() {
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$breadcrumbs = _custom_breadcrumbs_load_all_breadcrumbs(TRUE);
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$header = array(t('Node type'), '');
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$rows = array();
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foreach ($breadcrumbs as $breadcrumb) {
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$row = array();
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$row[] = $breadcrumb->node_type . (!empty($breadcrumb->visibility_php) ? t(' with PHP snippet') : '');
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$row[] = l(t('edit'), 'admin/build/custom_breadcrumbs/edit/'. $breadcrumb->bid);
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$rows[] = $row;
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}
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if (count($rows) == 0) {
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$rows[] = array(array('data' => t('No custom breadcrumbs have been defined.'), 'colspan' => 2));
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}
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$rows[] = array(array('data' => l(t('Add a new custom breadcrumb'), 'admin/build/custom_breadcrumbs/add'), 'colspan' => 2));
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$build = array();
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$build['breadcrumb_table'] = array('#markup' => theme('table', $header, $rows));
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return $build;
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}
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/**
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* Display an edit form for a custom breadcrumb record.
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*/
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function custom_breadcrumbs_form() {
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$bid = arg(4);
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if (isset($bid)) {
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$breadcrumb = _custom_breadcrumbs_load_breadcrumb($bid);
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$form['bid'] = array(
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'#type' => 'hidden',
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'#value' => $bid,
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);
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}
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$options = array();
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$types = node_type_get_names();
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foreach ($types as $type => $name) {
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$options[$type] = $name;
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}
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$form['node_type'] = array(
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'#type' => 'select',
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'#title' => t('Node type'),
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'#required' => TRUE,
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'#options' => $options,
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'#description' => t('The node type this custom breadcrumb trail will apply to.'),
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'#default_value' => isset($breadcrumb->node_type) ? $breadcrumb->node_type : NULL,
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);
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$form['visibility_php'] = array(
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'#type' => 'textarea',
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'#title' => t('Breadcrumb visibility'),
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'#access' => user_access('use php in custom breadcrumbs'),
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'#description' => t('Determine whether this breadcrumb should be displayed by using a snippet of PHP to return TRUE or FALSE. Note that this code has access to the $node variable, and can check its type or any other property.'),
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'#default_value' => isset($breadcrumb->visibility_php) ? $breadcrumb->visibility_php : '',
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);
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$form['titles'] = array(
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'#type' => 'textarea',
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'#title' => t('Titles'),
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'#required' => TRUE,
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'#description' => t('A list of titles for the breadcrumb links, one on each line.'),
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'#default_value' => isset($breadcrumb->titles) ? $breadcrumb->titles : NULL,
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);
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$form['paths'] = array(
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'#type' => 'textarea',
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'#title' => t('Paths'),
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'#required' => TRUE,
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'#description' => t('A list of Drupal paths for the breadcrumb links, one on each line.'),
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'#default_value' => isset($breadcrumb->paths) ? $breadcrumb->paths : NULL,
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);
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$form['help'] = array(
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'#type' => 'fieldset',
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'#collapsible' => TRUE,
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'#collapsed' => TRUE,
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'#title' => t('Placeholder tokens'),
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'#description' => t("The following placeholder tokens can be used in both paths and titles. When used in a path or title, they will be replaced with the appropriate values."),
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);
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// There is no token_help in core, but token_info has all the information in it.
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// Probably just need to wait until a token_help is available - or write our own?
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// $form['help']['tokens'] = array(
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// '#markup' => theme('token_help', 'node'),
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// );
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$form['help2'] = array(
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'#type' => 'fieldset',
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'#collapsible' => TRUE,
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'#collapsed' => TRUE,
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'#title' => t('Special identifiers'),
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'#description' => t("The following identifiers can be used to achieve a special behavior. Identifiers should be added to the paths area in the following format: identifier|path.<br />For example: %pathauto_id|[ogname-raw]", array('%pathauto_id' => '<pathauto>')),
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);
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$form['help2']['tokens'] = array('#theme' => 'custom_breadcrumbs_help_identifiers');
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$form['buttons']['submit'] = array(
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'#type' => 'submit',
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'#value' => t('Submit'),
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);
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if ($bid) {
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$form['buttons']['delete'] = array(
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'#type' => 'submit',
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'#value' => t('Delete'),
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'#submit' => array('custom_breadcrumbs_form_delete'),
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);
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}
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return $form;
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}
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function custom_breadcrumbs_form_validate($form, &$form_state) {
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$path_count = count(explode("\n", trim($form_state['values']['paths'])));
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$title_count = count(explode("\n", trim($form_state['values']['titles'])));
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if ($title_count != $path_count) {
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$error_field = ($title_count < $path_count) ? 'titles' : 'paths';
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form_set_error($error_field, t('Every link path must have a matching title. There are !paths paths, and !titles titles.', array('!paths' => $path_count, '!titles' => $title_count)));
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}
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}
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function custom_breadcrumbs_form_submit($form, &$form_state) {
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$breadcrumb = (object)$form_state['values'];
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custom_breadcrumbs_save_breadcrumb($breadcrumb);
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$form_state['redirect'] = 'admin/build/custom_breadcrumbs';
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}
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function custom_breadcrumbs_form_delete($form, &$form_state) {
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_custom_breadcrumbs_delete_breadcrumb($form_state['values']['bid']);
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$form_state['redirect'] = 'admin/build/custom_breadcrumbs';
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}
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