Commit 58852d4b authored by Dries's avatar Dries
Browse files

- Patch #192736 by quicksketch et al: drag and drop for book module.

parent a960d4d6
......@@ -133,8 +133,8 @@ function cache_clear_all($cid = NULL, $table = NULL, $wildcard = FALSE) {
global $user;
if (!isset($cid) && !isset($table)) {
// Clear the block cache first, so stale data will
// not end up in the page cache.
// Clear the block cache first, so stale data will
// not end up in the page cache.
cache_clear_all(NULL, 'cache_block');
cache_clear_all(NULL, 'cache_page');
return;
......
......@@ -2028,10 +2028,12 @@ function drupal_get_js($scope = 'header', $javascript = NULL) {
* (optional) The column containing the field elements may be entirely hidden
* from view dynamically when the JavaScript is loaded. Set to FALSE if the
* column should not be hidden.
* @param $limit
* (optional) Limit the maximum amount of parenting in this table.
* @see block-admin-display-form.tpl.php
* @see theme_menu_overview_form()
*/
function drupal_add_tabledrag($table_id, $action, $relationship, $group, $subgroup = NULL, $source = NULL, $hidden = TRUE) {
function drupal_add_tabledrag($table_id, $action, $relationship, $group, $subgroup = NULL, $source = NULL, $hidden = TRUE, $limit = 0) {
static $js_added = FALSE;
if (!$js_added) {
drupal_add_js('misc/tabledrag.js', 'core');
......@@ -2047,6 +2049,7 @@ function drupal_add_tabledrag($table_id, $action, $relationship, $group, $subgro
'relationship' => $relationship,
'action' => $action,
'hidden' => $hidden,
'limit' => $limit,
);
drupal_add_js($settings, 'setting');
}
......
......@@ -1788,7 +1788,7 @@ function menu_link_save(&$item) {
function _menu_clear_page_cache() {
static $cache_cleared = 0;
// Clear the page and block caches, but at most twice, including at
// Clear the page and block caches, but at most twice, including at
// the end of the page load when there are multple links saved or deleted.
if (empty($cache_cleared)) {
cache_clear_all();
......@@ -1805,7 +1805,7 @@ function _menu_clear_page_cache() {
}
/**
* Helper function to update a list of menus with expanded items
* Helper function to update a list of menus with expanded items
*/
function _menu_set_expanded_menus() {
$names = array();
......
......@@ -46,6 +46,7 @@ Drupal.tableDrag = function(table, tableSettings) {
this.oldRowElement = null; // Remember the previous element.
this.oldY = 0; // Used to determine up or down direction from last mouse move.
this.changed = false; // Whether anything in the entire table has changed.
this.maxDepth = 0 // Maximum amount of allowed parenting.
// Configure the scroll settings.
this.scrollSettings = { amount: 4, interval: 50, trigger: 70 };
......@@ -62,6 +63,9 @@ Drupal.tableDrag = function(table, tableSettings) {
if (tableSettings[group][n]['relationship'] == 'parent') {
this.indentEnabled = true;
}
if (tableSettings[group][n]['limit'] > 0) {
this.maxDepth = tableSettings[group][n]['limit'];
}
}
}
if (this.indentEnabled) {
......@@ -190,7 +194,7 @@ Drupal.tableDrag.prototype.makeDraggable = function(item) {
}
// Create a new rowObject for manipulation of this row.
self.rowObject = new self.row(item, 'mouse', self.indentEnabled, true);
self.rowObject = new self.row(item, 'mouse', self.indentEnabled, self.maxDepth, true);
// Save the position of the table.
self.table.topY = self.getPosition(self.table).y;
......@@ -244,7 +248,7 @@ Drupal.tableDrag.prototype.makeDraggable = function(item) {
handle.keydown(function(event) {
// If a rowObject doesn't yet exist and this isn't the tab key.
if (event.keyCode != 9 && !self.rowObject) {
self.rowObject = new self.row(item, 'keyboard', self.indentEnabled, true);
self.rowObject = new self.row(item, 'keyboard', self.indentEnabled, self.maxDepth, true);
}
var keyChange = false;
......@@ -753,10 +757,12 @@ Drupal.tableDrag.prototype.onDrop = function() {
* The method in which this row is being moved. Either 'keyboard' or 'mouse'.
* @param indentEnabled
* Whether the containing table uses indentations. Used for optimizations.
* @param maxDepth
* The maximum amount of indentations this row may contain.
* @param addClasses
* Whether we want to add classes to this row to indicate child relationships.
*/
Drupal.tableDrag.prototype.row = function(tableRow, method, indentEnabled, addClasses) {
Drupal.tableDrag.prototype.row = function(tableRow, method, indentEnabled, maxDepth, addClasses) {
this.element = tableRow;
this.method = method;
this.group = new Array(tableRow);
......@@ -764,6 +770,7 @@ Drupal.tableDrag.prototype.row = function(tableRow, method, indentEnabled, addCl
this.changed = false;
this.table = $(tableRow).parents('table:first').get(0);
this.indentEnabled = indentEnabled;
this.maxDepth = maxDepth;
this.direction = ''; // Direction the row is being moved.
if (this.indentEnabled) {
......@@ -901,8 +908,8 @@ Drupal.tableDrag.prototype.row.prototype.indent = function(indentDiff) {
indentDiff = Math.max(nextIndent - this.indents, indentDiff);
}
// Never allow indentation greater than 8 parents (menu system limit).
if (indentDiff + this.groupDepth > 8) {
// Never allow indentation greater the set limit.
if (this.maxDepth && indentDiff + this.groupDepth > this.maxDepth) {
indentDiff = 0;
}
......
......@@ -70,24 +70,12 @@ function book_admin_settings_validate($form, &$form_state) {
*/
function book_admin_edit($form_state, $node) {
drupal_set_title(check_plain($node->title));
$form = array(
'#cache' => TRUE,
'#prefix' => '<div id="book-admin-edit-wrapper">',
'#suffix' => '</div>',
);
$form = array();
$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 $form;
}
......@@ -95,36 +83,44 @@ function book_admin_edit($form_state, $node) {
/**
* Handle submission of the book administrative page form.
*
* This function takes care to save parent menu items before their children.
* Saving menu items in the incorrect order can break the menu tree.
*
* @see book_admin_edit()
* @see menu_overview_form_submit()
*/
function book_admin_edit_submit($form, &$form_state) {
foreach ($form_state['values']['table'] as $row) {
$node = node_load($row['nid'], FALSE);
if ($row['title'] != $node->title || $row['weight'] != $node->book['weight']) {
// Record changes in node's log message.
$log_messages = array();
if ($row['title'] != $node->title) {
$log_messages[] = t('Title changed from %original to %current.', array('%original' => $node->title, '%current' => $row['title']));
// Save elements in the same order as defined in post rather than the form.
// This ensures parents are updated before their children, preventing orphans.
$order = array_flip(array_keys($form['#post']['table']));
$form['table'] = array_merge($order, $form['table']);
foreach (element_children($form['table']) as $key) {
if ($form['table'][$key]['#item']) {
$row = $form['table'][$key];
$values = $form_state['values']['table'][$key];
// Update menu item if moved.
if ($row['plid']['#default_value'] != $values['plid'] || $row['weight']['#default_value'] != $values['weight']) {
$row['#item']['plid'] = $values['plid'];
$row['#item']['weight'] = $values['weight'];
menu_link_save($row['#item']);
}
if ($row['weight'] != $node->book['weight']) {
$log_messages[] = t('Weight changed from %original to %current.', array('%original' => $node->book['weight'], '%current' => $row['weight']));
}
$node->title = $row['title'];
$node->book['link_title'] = $row['title'];
$node->book['weight'] = $row['weight'];
$node->revision = 1;
$node->log = implode(' ', $log_messages);
node_save($node);
watchdog('content', 'book: updated %title.', array('%title' => $node->title), WATCHDOG_NOTICE, l(t('view'), 'node/'. $node->nid));
// Update the title if changed.
if ($row['title']['#default_value'] != $values['title']) {
$node = node_load($values['nid'], FALSE);
$node->title = $values['title'];
$node->book['link_title'] = $values['title'];
$node->revision = 1;
$node->log = t('Title changed from %original to %current.', array('%original' => $node->title, '%current' => $values['title']));
node_save($node);
watchdog('content', 'book: updated %title.', array('%title' => $node->title), WATCHDOG_NOTICE, l(t('view'), 'node/'. $node->nid));
}
}
}
// Insure we have the current title - it may have been changed in the form.
$title = db_result(db_query("SELECT title FROM {node} WHERE nid = %d", $form['#node']->nid));
drupal_set_message(t('Updated book %title.', array('%title' => $title)));
drupal_set_message(t('Updated book %title.', array('%title' => $form['#node']->title)));
}
/**
......@@ -139,7 +135,10 @@ function _book_admin_table($node) {
);
$tree = book_menu_subtree_data($node->book);
_book_admin_table_tree($tree, $form);
$tree = array_shift($tree); // Do not include the book item itself.
if ($tree['below']) {
_book_admin_table_tree($tree['below'], $form);
}
return $form;
}
......@@ -151,6 +150,7 @@ function _book_admin_table($node) {
function _book_admin_table_tree($tree, &$form) {
foreach ($tree as $key => $data) {
$form[$key] = array(
'#item' => $data['link'],
'nid' => array('#type' => 'value', '#value' => $data['link']['nid']),
'depth' => array('#type' => 'value', '#value' => $data['link']['depth']),
'href' => array('#type' => 'value', '#value' => $data['link']['href']),
......@@ -158,12 +158,22 @@ function _book_admin_table_tree($tree, &$form) {
'#type' => 'textfield',
'#default_value' => $data['link']['link_title'],
'#maxlength' => 255,
'#size' => 40,
),
'weight' => array(
'#type' => 'weight',
'#default_value' => $data['link']['weight'],
'#delta' => 15,
),
'plid' => array(
'#type' => 'textfield',
'#default_value' => $data['link']['plid'],
'#size' => 6,
),
'mlid' => array(
'#type' => 'hidden',
'#default_value' => $data['link']['mlid'],
),
);
if ($data['below']) {
_book_admin_table_tree($data['below'], $form);
......@@ -177,9 +187,13 @@ function _book_admin_table_tree($tree, &$form) {
* Theme function for the book administration page form.
*
* @ingroup themeable
* @see book_admin_table().
*/
function theme_book_admin_table($form) {
$header = array(t('Title'), t('Weight'), array('data' => t('Operations'), 'colspan' => '3'));
drupal_add_tabledrag('book-outline', 'match', 'parent', 'book-plid', 'book-plid', 'book-mlid', TRUE, MENU_MAX_DEPTH - 2);
drupal_add_tabledrag('book-outline', 'order', 'sibling', 'book-weight');
$header = array(t('Title'), t('Weight'), t('Parent'), array('data' => t('Operations'), 'colspan' => '3'));
$rows = array();
$destination = drupal_get_destination();
......@@ -187,10 +201,16 @@ function theme_book_admin_table($form) {
foreach (element_children($form) as $key) {
$nid = $form[$key]['nid']['#value'];
$href = $form[$key]['href']['#value'];
$asterisk = (isset($form[$key]['#attributes']['class']) && strpos($form[$key]['#attributes']['class'], 'book-changed') !== FALSE) ? '<span class="warning">*</span>' : '';
// Add special classes to be used with tabledrag.js.
$form[$key]['plid']['#attributes']['class'] = 'book-plid';
$form[$key]['mlid']['#attributes']['class'] = 'book-mlid';
$form[$key]['weight']['#attributes']['class'] = 'book-weight';
$data = array(
'<div style="padding-left: '. (25 * $form[$key]['depth']['#value']) .'px;">'. drupal_render($form[$key]['title']) . $asterisk .'</div>',
theme('indentation', $form[$key]['depth']['#value'] - 2) . drupal_render($form[$key]['title']),
drupal_render($form[$key]['weight']),
drupal_render($form[$key]['plid']) . drupal_render($form[$key]['mlid']),
l(t('view'), $href),
$access ? l(t('edit'), 'node/'. $nid .'/edit', array('query' => $destination)) : '&nbsp',
$access ? l(t('delete'), 'node/'. $nid .'/delete', array('query' => $destination) ) : '&nbsp',
......@@ -199,77 +219,11 @@ function theme_book_admin_table($form) {
if (isset($form[$key]['#attributes'])) {
$row = array_merge($row, $form[$key]['#attributes']);
}
$row['class'] = empty($row['class']) ? 'draggable' : $row['class'] .' draggable';
$rows[] = $row;
}
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']);
}
}
return theme('table', $header, $rows, array('id' => 'book-outline'));
}
/**
......
......@@ -28,6 +28,9 @@
display: block;
float: right;
}
#book-outline {
min-width: 56em;
}
.book-outline-form .form-item {
margin-top: 0;
margin-bottom: 0;
......
......@@ -143,13 +143,6 @@ function book_menu() {
'type' => MENU_CALLBACK,
'file' => 'book.pages.inc',
);
$items['book/js/admin/%node'] = array(
'page callback' => 'book_admin_js_update',
'access callback' => '_book_outline_access',
'access arguments' => array(3),
'type' => MENU_CALLBACK,
'file' => 'book.admin.inc',
);
return $items;
}
......
......@@ -165,7 +165,7 @@ function menu_overview_form_submit($form, &$form_state) {
* Theme the menu overview form into a table.
*/
function theme_menu_overview_form($form) {
drupal_add_tabledrag('menu-overview', 'match', 'parent', 'menu-plid', 'menu-plid', 'menu-mlid');
drupal_add_tabledrag('menu-overview', 'match', 'parent', 'menu-plid', 'menu-plid', 'menu-mlid', TRUE, MENU_MAX_DEPTH - 1);
drupal_add_tabledrag('menu-overview', 'order', 'sibling', 'menu-weight');
$header = array(
......
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