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path: root/modules/book/book.admin.inc
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-rw-r--r--modules/book/book.admin.inc137
1 files changed, 121 insertions, 16 deletions
diff --git a/modules/book/book.admin.inc b/modules/book/book.admin.inc
index a57bc074e..4fd1e6815 100644
--- a/modules/book/book.admin.inc
+++ b/modules/book/book.admin.inc
@@ -69,16 +69,26 @@ function book_admin_settings_validate($form, &$form_state) {
* @ingroup forms.
*/
function book_admin_edit($form_state, $node) {
-
- drupal_set_title(check_plain($node->title));
- $form = array();
-
- $form['#node'] = $node;
- $form['table'] = _book_admin_table($node);
- $form['save'] = array(
- '#type' => 'submit',
- '#value' => t('Save book pages'),
- );
+ drupal_set_title(check_plain($node->title));
+ $form = array(
+ '#cache' => TRUE,
+ '#prefix' => '<div id="book-admin-edit-wrapper">',
+ '#suffix' => '</div>',
+ );
+
+ $form['#node'] = $node;
+ $form['table'] = _book_admin_table($node);
+ $form['save'] = array(
+ '#type' => 'submit',
+ '#value' => t('Save book pages'),
+ '#ahah' => array(
+ 'path' => 'book/js/admin/'. $node->nid,
+ 'selector' => '#book-admin-edit select',
+ 'wrapper' => 'book-admin-edit-wrapper',
+ 'event' => 'change',
+ 'effect' => 'fade',
+ ),
+ );
return $form;
}
@@ -139,8 +149,8 @@ function _book_admin_table($node) {
* @see book_admin_edit()
*/
function _book_admin_table_tree($tree, &$form) {
- foreach ($tree as $data) {
- $form[] = array(
+ foreach ($tree as $key => $data) {
+ $form[$key] = array(
'nid' => array('#type' => 'value', '#value' => $data['link']['nid']),
'depth' => array('#type' => 'value', '#value' => $data['link']['depth']),
'href' => array('#type' => 'value', '#value' => $data['link']['href']),
@@ -169,7 +179,6 @@ function _book_admin_table_tree($tree, &$form) {
* @ingroup themeable
*/
function theme_book_admin_table($form) {
-
$header = array(t('Title'), t('Weight'), array('data' => t('Operations'), 'colspan' => '3'));
$rows = array();
@@ -178,14 +187,110 @@ function theme_book_admin_table($form) {
foreach (element_children($form) as $key) {
$nid = $form[$key]['nid']['#value'];
$href = $form[$key]['href']['#value'];
- $rows[] = array(
- '<div style="padding-left: '. (25 * $form[$key]['depth']['#value']) .'px;">'. drupal_render($form[$key]['title']) .'</div>',
+ $asterisk = (isset($form[$key]['#attributes']['class']) && strpos($form[$key]['#attributes']['class'], 'book-changed') !== FALSE) ? '<span class="warning">*</span>' : '';
+ $data = array(
+ '<div style="padding-left: '. (25 * $form[$key]['depth']['#value']) .'px;">'. drupal_render($form[$key]['title']) . $asterisk .'</div>',
drupal_render($form[$key]['weight']),
l(t('view'), $href),
$access ? l(t('edit'), 'node/'. $nid .'/edit', array('query' => $destination)) : '&nbsp',
$access ? l(t('delete'), 'node/'. $nid .'/delete', array('query' => $destination) ) : '&nbsp',
);
+ $row = array('data' => $data);
+ if (isset($form[$key]['#attributes'])) {
+ $row = array_merge($row, $form[$key]['#attributes']);
+ }
+ $rows[] = $row;
}
- return theme('table', $header, $rows);
+ return theme('status_messages') . theme('table', $header, $rows);
+}
+
+/**
+ * Menu callback for updating the book outline form.
+ */
+function book_admin_js_update() {
+ $cid = 'form_'. $_POST['form_build_id'];
+ $cache = cache_get($cid, 'cache_form');
+ if ($cache) {
+ $form = $cache->data;
+
+ $tree = book_menu_subtree_data($form['#node']->book);
+ _book_admin_js_update_tree($tree);
+ _book_admin_sort_tree($tree);
+
+ // Create the form in the new order.
+ $table_form = array();
+ _book_admin_table_tree($tree, $table_form);
+
+ // Find the changed element on this request and save the current classes.
+ foreach (element_children($form['table']) as $key) {
+ if (isset($form['table'][$key]['#attributes'])) {
+ $table_form[$key]['#attributes'] = $form['table'][$key]['#attributes'];
+ }
+ if ($form['table'][$key]['weight']['#default_value'] != $_POST['table'][$key]['weight']) {
+ $changed_key = $key;
+ }
+ }
+
+ // Preserve the order of the new form while merging the previous data.
+ $form_order = array_flip(array_keys($table_form)); // Save the form order.
+ $form['table'] = array_merge($form['table'], $table_form); // Merge the data.
+ $form['table'] = array_merge($form_order, $form['table']); // Put back into the correct order.
+ $form['table'][$changed_key]['#attributes']['class'] = 'book-changed';
+
+ cache_set($cid, $form, 'cache_form', $cache->expire);
+
+ // Add the special AHAH class for new content.
+ $form['table'][$changed_key]['#attributes']['class'] = isset($form['table'][$changed_key]['#attributes']['class']) ? $form['table'][$changed_key]['#attributes']['class'] .' ahah-new-content' : 'ahah-new-content';
+
+ // Set a message for the user to save the form.
+ drupal_set_message(t('Your changes will not be saved until you click the <em>Save book pages</em> button.'), 'warning');
+
+ // Prevent duplicate wrappers.
+ unset($form['#prefix'], $form['#suffix']);
+
+ // Render the form.
+ $form['#post'] = $_POST;
+ $form_state = array('submitted' => FALSE);
+ $form = form_builder('book_admin_edit', $form, $form_state);
+ $output = drupal_render($form);
+
+ drupal_json(array('status' => TRUE, 'data' => $output));
+ }
+}
+
+/**
+ * Recursive helper to set new form weights to the tree.
+ */
+function _book_admin_js_update_tree(&$tree) {
+ foreach($tree as $key => $subtree) {
+ $tree[$key]['link']['weight'] = $_POST['table'][$key]['weight'];
+ $tree[$key]['link']['title'] = $_POST['table'][$key]['title'];
+ if (!empty($subtree['below'])) {
+ _book_admin_js_update_tree($tree[$key]['below']);
+ }
+ }
+}
+
+/**
+ * Recursive helper to sort each layer of a book tree by weight.
+ */
+function _book_admin_sort_tree(&$tree) {
+ uasort($tree, '_book_admin_compare');
+ foreach($tree as $key => $subtree) {
+ if (!empty($tree[$key]['below'])) {
+ _book_admin_sort_tree($tree[$key]['below']);
+ }
+ }
+}
+
+/**
+ * Used by uasort() in _book_admin_sort_tree() to compare items in a book tree.
+ */
+function _book_admin_compare($a, $b) {
+ $weight = $a['link']['weight'] - $b['link']['weight'];
+ if ($weight) {
+ return $weight;
+ }
+ return strncmp($a['link']['title'], $b['link']['title']);
}