- Patch #192736 by quicksketch et al: drag and drop for book module.
Dries Buytaert
parent
a960d4d618
commit
58852d4b7b
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@ -2028,10 +2028,12 @@ function drupal_get_js($scope = 'header', $javascript = NULL) {
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* (optional) The column containing the field elements may be entirely hidden
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* from view dynamically when the JavaScript is loaded. Set to FALSE if the
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* column should not be hidden.
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* @param $limit
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* (optional) Limit the maximum amount of parenting in this table.
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* @see block-admin-display-form.tpl.php
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* @see theme_menu_overview_form()
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*/
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function drupal_add_tabledrag($table_id, $action, $relationship, $group, $subgroup = NULL, $source = NULL, $hidden = TRUE) {
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function drupal_add_tabledrag($table_id, $action, $relationship, $group, $subgroup = NULL, $source = NULL, $hidden = TRUE, $limit = 0) {
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static $js_added = FALSE;
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if (!$js_added) {
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drupal_add_js('misc/tabledrag.js', 'core');
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@ -2047,6 +2049,7 @@ function drupal_add_tabledrag($table_id, $action, $relationship, $group, $subgro
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'relationship' => $relationship,
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'action' => $action,
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'hidden' => $hidden,
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'limit' => $limit,
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);
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drupal_add_js($settings, 'setting');
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}
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@ -46,6 +46,7 @@ Drupal.tableDrag = function(table, tableSettings) {
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this.oldRowElement = null; // Remember the previous element.
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this.oldY = 0; // Used to determine up or down direction from last mouse move.
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this.changed = false; // Whether anything in the entire table has changed.
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this.maxDepth = 0 // Maximum amount of allowed parenting.
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// Configure the scroll settings.
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this.scrollSettings = { amount: 4, interval: 50, trigger: 70 };
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@ -62,6 +63,9 @@ Drupal.tableDrag = function(table, tableSettings) {
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if (tableSettings[group][n]['relationship'] == 'parent') {
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this.indentEnabled = true;
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}
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if (tableSettings[group][n]['limit'] > 0) {
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this.maxDepth = tableSettings[group][n]['limit'];
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}
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}
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}
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if (this.indentEnabled) {
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@ -190,7 +194,7 @@ Drupal.tableDrag.prototype.makeDraggable = function(item) {
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}
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// Create a new rowObject for manipulation of this row.
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self.rowObject = new self.row(item, 'mouse', self.indentEnabled, true);
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self.rowObject = new self.row(item, 'mouse', self.indentEnabled, self.maxDepth, true);
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// Save the position of the table.
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self.table.topY = self.getPosition(self.table).y;
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@ -244,7 +248,7 @@ Drupal.tableDrag.prototype.makeDraggable = function(item) {
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handle.keydown(function(event) {
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// If a rowObject doesn't yet exist and this isn't the tab key.
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if (event.keyCode != 9 && !self.rowObject) {
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self.rowObject = new self.row(item, 'keyboard', self.indentEnabled, true);
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self.rowObject = new self.row(item, 'keyboard', self.indentEnabled, self.maxDepth, true);
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}
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var keyChange = false;
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@ -753,10 +757,12 @@ Drupal.tableDrag.prototype.onDrop = function() {
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* The method in which this row is being moved. Either 'keyboard' or 'mouse'.
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* @param indentEnabled
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* Whether the containing table uses indentations. Used for optimizations.
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* @param maxDepth
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* The maximum amount of indentations this row may contain.
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* @param addClasses
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* Whether we want to add classes to this row to indicate child relationships.
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*/
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Drupal.tableDrag.prototype.row = function(tableRow, method, indentEnabled, addClasses) {
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Drupal.tableDrag.prototype.row = function(tableRow, method, indentEnabled, maxDepth, addClasses) {
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this.element = tableRow;
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this.method = method;
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this.group = new Array(tableRow);
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@ -764,6 +770,7 @@ Drupal.tableDrag.prototype.row = function(tableRow, method, indentEnabled, addCl
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this.changed = false;
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this.table = $(tableRow).parents('table:first').get(0);
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this.indentEnabled = indentEnabled;
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this.maxDepth = maxDepth;
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this.direction = ''; // Direction the row is being moved.
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if (this.indentEnabled) {
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@ -901,8 +908,8 @@ Drupal.tableDrag.prototype.row.prototype.indent = function(indentDiff) {
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indentDiff = Math.max(nextIndent - this.indents, indentDiff);
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}
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// Never allow indentation greater than 8 parents (menu system limit).
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if (indentDiff + this.groupDepth > 8) {
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// Never allow indentation greater the set limit.
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if (this.maxDepth && indentDiff + this.groupDepth > this.maxDepth) {
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indentDiff = 0;
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}
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@ -70,24 +70,12 @@ function book_admin_settings_validate($form, &$form_state) {
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*/
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function book_admin_edit($form_state, $node) {
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drupal_set_title(check_plain($node->title));
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$form = array(
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'#cache' => TRUE,
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'#prefix' => '<div id="book-admin-edit-wrapper">',
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'#suffix' => '</div>',
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);
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$form = array();
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$form['#node'] = $node;
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$form['table'] = _book_admin_table($node);
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$form['save'] = array(
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'#type' => 'submit',
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'#value' => t('Save book pages'),
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'#ahah' => array(
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'path' => 'book/js/admin/'. $node->nid,
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'selector' => '#book-admin-edit select',
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'wrapper' => 'book-admin-edit-wrapper',
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'event' => 'change',
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'effect' => 'fade',
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),
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);
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return $form;
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}
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@ -95,36 +83,44 @@ function book_admin_edit($form_state, $node) {
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/**
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* Handle submission of the book administrative page form.
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*
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* This function takes care to save parent menu items before their children.
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* Saving menu items in the incorrect order can break the menu tree.
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*
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* @see book_admin_edit()
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* @see menu_overview_form_submit()
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*/
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function book_admin_edit_submit($form, &$form_state) {
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foreach ($form_state['values']['table'] as $row) {
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$node = node_load($row['nid'], FALSE);
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// Save elements in the same order as defined in post rather than the form.
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// This ensures parents are updated before their children, preventing orphans.
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$order = array_flip(array_keys($form['#post']['table']));
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$form['table'] = array_merge($order, $form['table']);
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if ($row['title'] != $node->title || $row['weight'] != $node->book['weight']) {
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foreach (element_children($form['table']) as $key) {
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if ($form['table'][$key]['#item']) {
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$row = $form['table'][$key];
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$values = $form_state['values']['table'][$key];
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// Record changes in node's log message.
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$log_messages = array();
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if ($row['title'] != $node->title) {
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$log_messages[] = t('Title changed from %original to %current.', array('%original' => $node->title, '%current' => $row['title']));
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}
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if ($row['weight'] != $node->book['weight']) {
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$log_messages[] = t('Weight changed from %original to %current.', array('%original' => $node->book['weight'], '%current' => $row['weight']));
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// Update menu item if moved.
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if ($row['plid']['#default_value'] != $values['plid'] || $row['weight']['#default_value'] != $values['weight']) {
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$row['#item']['plid'] = $values['plid'];
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$row['#item']['weight'] = $values['weight'];
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menu_link_save($row['#item']);
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}
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$node->title = $row['title'];
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$node->book['link_title'] = $row['title'];
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$node->book['weight'] = $row['weight'];
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$node->revision = 1;
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$node->log = implode(' ', $log_messages);
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node_save($node);
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watchdog('content', 'book: updated %title.', array('%title' => $node->title), WATCHDOG_NOTICE, l(t('view'), 'node/'. $node->nid));
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// Update the title if changed.
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if ($row['title']['#default_value'] != $values['title']) {
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$node = node_load($values['nid'], FALSE);
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$node->title = $values['title'];
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$node->book['link_title'] = $values['title'];
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$node->revision = 1;
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$node->log = t('Title changed from %original to %current.', array('%original' => $node->title, '%current' => $values['title']));
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node_save($node);
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watchdog('content', 'book: updated %title.', array('%title' => $node->title), WATCHDOG_NOTICE, l(t('view'), 'node/'. $node->nid));
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}
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}
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}
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// Insure we have the current title - it may have been changed in the form.
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$title = db_result(db_query("SELECT title FROM {node} WHERE nid = %d", $form['#node']->nid));
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drupal_set_message(t('Updated book %title.', array('%title' => $title)));
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drupal_set_message(t('Updated book %title.', array('%title' => $form['#node']->title)));
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}
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/**
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@ -139,7 +135,10 @@ function _book_admin_table($node) {
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);
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$tree = book_menu_subtree_data($node->book);
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_book_admin_table_tree($tree, $form);
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$tree = array_shift($tree); // Do not include the book item itself.
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if ($tree['below']) {
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_book_admin_table_tree($tree['below'], $form);
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}
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return $form;
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}
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@ -151,6 +150,7 @@ function _book_admin_table($node) {
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function _book_admin_table_tree($tree, &$form) {
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foreach ($tree as $key => $data) {
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$form[$key] = array(
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'#item' => $data['link'],
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'nid' => array('#type' => 'value', '#value' => $data['link']['nid']),
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'depth' => array('#type' => 'value', '#value' => $data['link']['depth']),
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'href' => array('#type' => 'value', '#value' => $data['link']['href']),
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@ -158,12 +158,22 @@ function _book_admin_table_tree($tree, &$form) {
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'#type' => 'textfield',
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'#default_value' => $data['link']['link_title'],
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'#maxlength' => 255,
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'#size' => 40,
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),
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'weight' => array(
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'#type' => 'weight',
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'#default_value' => $data['link']['weight'],
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'#delta' => 15,
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),
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'plid' => array(
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'#type' => 'textfield',
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'#default_value' => $data['link']['plid'],
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'#size' => 6,
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),
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'mlid' => array(
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'#type' => 'hidden',
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'#default_value' => $data['link']['mlid'],
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),
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);
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if ($data['below']) {
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_book_admin_table_tree($data['below'], $form);
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@ -177,9 +187,13 @@ function _book_admin_table_tree($tree, &$form) {
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* Theme function for the book administration page form.
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*
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* @ingroup themeable
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* @see book_admin_table().
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*/
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function theme_book_admin_table($form) {
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$header = array(t('Title'), t('Weight'), array('data' => t('Operations'), 'colspan' => '3'));
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drupal_add_tabledrag('book-outline', 'match', 'parent', 'book-plid', 'book-plid', 'book-mlid', TRUE, MENU_MAX_DEPTH - 2);
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drupal_add_tabledrag('book-outline', 'order', 'sibling', 'book-weight');
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$header = array(t('Title'), t('Weight'), t('Parent'), array('data' => t('Operations'), 'colspan' => '3'));
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$rows = array();
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$destination = drupal_get_destination();
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@ -187,10 +201,16 @@ function theme_book_admin_table($form) {
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foreach (element_children($form) as $key) {
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$nid = $form[$key]['nid']['#value'];
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$href = $form[$key]['href']['#value'];
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$asterisk = (isset($form[$key]['#attributes']['class']) && strpos($form[$key]['#attributes']['class'], 'book-changed') !== FALSE) ? '<span class="warning">*</span>' : '';
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// Add special classes to be used with tabledrag.js.
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$form[$key]['plid']['#attributes']['class'] = 'book-plid';
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$form[$key]['mlid']['#attributes']['class'] = 'book-mlid';
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$form[$key]['weight']['#attributes']['class'] = 'book-weight';
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$data = array(
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'<div style="padding-left: '. (25 * $form[$key]['depth']['#value']) .'px;">'. drupal_render($form[$key]['title']) . $asterisk .'</div>',
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theme('indentation', $form[$key]['depth']['#value'] - 2) . drupal_render($form[$key]['title']),
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drupal_render($form[$key]['weight']),
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drupal_render($form[$key]['plid']) . drupal_render($form[$key]['mlid']),
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l(t('view'), $href),
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$access ? l(t('edit'), 'node/'. $nid .'/edit', array('query' => $destination)) : ' ',
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$access ? l(t('delete'), 'node/'. $nid .'/delete', array('query' => $destination) ) : ' ',
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@ -199,77 +219,11 @@ function theme_book_admin_table($form) {
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if (isset($form[$key]['#attributes'])) {
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$row = array_merge($row, $form[$key]['#attributes']);
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}
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$row['class'] = empty($row['class']) ? 'draggable' : $row['class'] .' draggable';
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$rows[] = $row;
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}
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return theme('status_messages') . theme('table', $header, $rows);
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}
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/**
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* Menu callback for updating the book outline form.
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*/
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function book_admin_js_update() {
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$cid = 'form_'. $_POST['form_build_id'];
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$cache = cache_get($cid, 'cache_form');
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if ($cache) {
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$form = $cache->data;
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$tree = book_menu_subtree_data($form['#node']->book);
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_book_admin_js_update_tree($tree);
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_book_admin_sort_tree($tree);
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// Create the form in the new order.
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$table_form = array();
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_book_admin_table_tree($tree, $table_form);
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// Find the changed element on this request and save the current classes.
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foreach (element_children($form['table']) as $key) {
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if (isset($form['table'][$key]['#attributes'])) {
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$table_form[$key]['#attributes'] = $form['table'][$key]['#attributes'];
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}
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if ($form['table'][$key]['weight']['#default_value'] != $_POST['table'][$key]['weight']) {
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$changed_key = $key;
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}
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}
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// Preserve the order of the new form while merging the previous data.
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$form_order = array_flip(array_keys($table_form)); // Save the form order.
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$form['table'] = array_merge($form['table'], $table_form); // Merge the data.
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$form['table'] = array_merge($form_order, $form['table']); // Put back into the correct order.
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$form['table'][$changed_key]['#attributes']['class'] = 'book-changed';
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cache_set($cid, $form, 'cache_form', $cache->expire);
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// Add the special AHAH class for new content.
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$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';
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// Set a message for the user to save the form.
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drupal_set_message(t('Your changes will not be saved until you click the <em>Save book pages</em> button.'), 'warning');
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// Prevent duplicate wrappers.
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unset($form['#prefix'], $form['#suffix']);
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// Render the form.
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$form['#post'] = $_POST;
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$form_state = array('submitted' => FALSE);
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$form = form_builder('book_admin_edit', $form, $form_state);
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$output = drupal_render($form);
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drupal_json(array('status' => TRUE, 'data' => $output));
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}
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}
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/**
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* Recursive helper to set new form weights to the tree.
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*/
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function _book_admin_js_update_tree(&$tree) {
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foreach($tree as $key => $subtree) {
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$tree[$key]['link']['weight'] = $_POST['table'][$key]['weight'];
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$tree[$key]['link']['title'] = $_POST['table'][$key]['title'];
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if (!empty($subtree['below'])) {
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_book_admin_js_update_tree($tree[$key]['below']);
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}
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}
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return theme('table', $header, $rows, array('id' => 'book-outline'));
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}
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/**
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@ -28,6 +28,9 @@
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display: block;
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float: right;
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}
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#book-outline {
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min-width: 56em;
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}
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.book-outline-form .form-item {
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margin-top: 0;
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margin-bottom: 0;
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@ -143,13 +143,6 @@ function book_menu() {
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'type' => MENU_CALLBACK,
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'file' => 'book.pages.inc',
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);
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$items['book/js/admin/%node'] = array(
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'page callback' => 'book_admin_js_update',
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'access callback' => '_book_outline_access',
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'access arguments' => array(3),
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'type' => MENU_CALLBACK,
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'file' => 'book.admin.inc',
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);
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return $items;
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}
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@ -165,7 +165,7 @@ function menu_overview_form_submit($form, &$form_state) {
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* Theme the menu overview form into a table.
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*/
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function theme_menu_overview_form($form) {
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drupal_add_tabledrag('menu-overview', 'match', 'parent', 'menu-plid', 'menu-plid', 'menu-mlid');
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drupal_add_tabledrag('menu-overview', 'match', 'parent', 'menu-plid', 'menu-plid', 'menu-mlid', TRUE, MENU_MAX_DEPTH - 1);
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drupal_add_tabledrag('menu-overview', 'order', 'sibling', 'menu-weight');
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$header = array(
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