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72 lines
1.9 KiB
72 lines
1.9 KiB
14 years ago
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/*
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* Async Treeview 0.1 - Lazy-loading extension for Treeview
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*
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* http://bassistance.de/jquery-plugins/jquery-plugin-treeview/
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*
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* Copyright (c) 2007 Jörn Zaefferer
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*
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* Dual licensed under the MIT and GPL licenses:
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* http://www.opensource.org/licenses/mit-license.php
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* http://www.gnu.org/licenses/gpl.html
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*
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* Revision: $Id$
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*
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*/
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;(function($) {
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function load(settings, root, child, container) {
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$.getJSON(settings.url, {root: root}, function(response) {
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function createNode(parent) {
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var current = $("<li/>").attr("id", this.id || "").html("<span>" + this.text + "</span>").appendTo(parent);
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if (this.classes) {
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current.children("span").addClass(this.classes);
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}
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if (this.expanded) {
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current.addClass("open");
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}
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if (this.hasChildren || this.children && this.children.length) {
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var branch = $("<ul/>").appendTo(current);
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if (this.hasChildren) {
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current.addClass("hasChildren");
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createNode.call({
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text:"placeholder",
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id:"placeholder",
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children:[]
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}, branch);
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}
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if (this.children && this.children.length) {
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$.each(this.children, createNode, [branch])
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}
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}
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}
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$.each(response, createNode, [child]);
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$(container).treeview({add: child});
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});
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}
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var proxied = $.fn.treeview;
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$.fn.treeview = function(settings) {
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if (!settings.url) {
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return proxied.apply(this, arguments);
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}
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var container = this;
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load(settings, "source", this, container);
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var userToggle = settings.toggle;
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return proxied.call(this, $.extend({}, settings, {
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collapsed: true,
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toggle: function() {
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var $this = $(this);
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if ($this.hasClass("hasChildren")) {
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var childList = $this.removeClass("hasChildren").find("ul");
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childList.empty();
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load(settings, this.id, childList, container);
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}
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if (userToggle) {
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userToggle.apply(this, arguments);
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}
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}
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}));
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};
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})(jQuery);
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