From 9cc0c12bcd9f610d78e6e2346a283603b105a348 Mon Sep 17 00:00:00 2001
From: Thomas Bruederli <thomas@roundcube.net>
Date: Tue, 24 Jun 2014 04:51:09 -0400
Subject: [PATCH] Allow to move a treelist node to a new parent with .update()
---
program/js/treelist.js | 25 +++++++++++++++++++++----
1 files changed, 21 insertions(+), 4 deletions(-)
diff --git a/program/js/treelist.js b/program/js/treelist.js
index 3b94543..631a81a 100644
--- a/program/js/treelist.js
+++ b/program/js/treelist.js
@@ -329,14 +329,28 @@
*/
function update_node(id, updates, sort)
{
- var li, node = indexbyid[id];
+ var li, parent_ul, parent_node, old_parent,
+ node = indexbyid[id];
if (node) {
li = id2dom(id);
+ parent_ul = li.parent();
- if (updates.id || updates.html || updates.children || updates.classes) {
+ if (updates.id || updates.html || updates.children || updates.classes || updates.parent) {
+ if (updates.parent && (parent_node = indexbyid[updates.parent])) {
+ // remove reference from old parent's child list
+ if (old_parent = indexbyid[dom2id(parent_ul.closest('li'))]) {
+ old_parent.children = $.grep(old_parent.children, function(elem, i){ return elem.id != node.id; });
+ }
+ // append to new parent node
+ parent_ul = id2dom(updates.parent).children('ul').first();
+ if (!parent_node.children)
+ parent_node.children = [];
+ parent_node.children.push(node);
+ }
+
$.extend(node, updates);
- render_node(node, li.parent(), li);
+ render_node(node, parent_ul, li);
}
if (node.id != id) {
@@ -546,8 +560,11 @@
.addClass((node.classes || []).join(' '))
.data('id', node.id);
- if (replace)
+ if (replace) {
replace.replaceWith(li);
+ if (parent)
+ li.appendTo(parent);
+ }
else
li.appendTo(parent);
--
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