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RavenDB - An Introduction

, , 28 Apr 2010 CPOL
An introduction to RavenDB - a new open source .NET document database using .NET 4.0 and VS 2010
Raven_DB.zip
RavenDB
.gitignore
ayende-open-source.snk
build
default.ps1
psake.ps1
psake_ext.ps1
Raven.Client.Tests
Document
Properties
Shard
Transactions
Raven.Client
Client
Document
Properties
Shard
ShardStrategy
ShardAccess
ShardResolution
ShardSelection
Util
Raven.Database
Data
Defaults
Exceptions
Extensions
Indexing
Json
Linq
PrivateExtensions
Properties
Storage
Tasks
Raven.FileStorage
Properties
Raven.Importer
Properties
Raven.Sample.ShardClient
Properties
Raven.Sample.SimpleClient
Properties
Raven.Scenarios
Properties
Scenarios
AddDocument_AddIndex_QueryIndexForDoc.saz
AfterTooManyErrorsDocumentIndexingForTheIndexWillBeDisabled.saz
AfterTooManyErrorsIndexWillBeDisabled.saz
BatchAndGetDocuments.saz
BatchQueryById.saz
BrowseIndex.saz
CanGenerateIdentityValues.saz
CanGetMetadataWhenLookingAtAllDocs.saz
CanGetMetadataWhenLookingAtAnIndex.saz
CannotDeleteStaticWithoutAccruateETag.saz
CanPutAndDeleteDocumentWithETag.saz
CanUseCollectionNamesInIndexes.saz
DeleteStatic.saz
DeletingDocumentThatDoesNotExistsAlwaysWorks.saz
DeletingWithBadETagWillFail.saz
IndexingErrorsWillShowUpInTheStats.saz
IndexingFunctionWithMultipleResultsPerSourceDocument.saz
PatchDocument.saz
PutAndGetAttachment.saz
PutAndGetDocument.saz
PutAndGetDocumentWithMetadataViaHeaders.saz
PutAndGetIndex.saz
PuttingDocumentUsingTransaction.saz
QueryMapReduceIndex.saz
QueryUsingIndex.saz
RecordHeadersForStatics.saz
SelectFieldsFromIndex.saz
TryingToUpdateAttachmentWithBadETagWillFail.saz
TryingToUpdateDocumentWithBadETagWillFail.saz
TryingToUpdateDocumentWithNonGuidETagWillFail.saz
UpdateAttachemtnUsingETag.saz
UpdatingDocsWillUpdateMapReduceResult.saz
WhenDeletingDocsWillUpdateMapReduceIndex.saz
WillDeleteDocumentFromIndex.saz
WillSupport304.saz
WillSupport304ForAttachments.saz
Raven.Server
Defaults
default.json
PowerShellProvider
Properties
Responders
WebUI
css
smoothness
images
ui-bg_flat_0_aaaaaa_40x100.png
ui-bg_flat_75_ffffff_40x100.png
ui-bg_glass_55_fbf9ee_1x400.png
ui-bg_glass_65_ffffff_1x400.png
ui-bg_glass_75_dadada_1x400.png
ui-bg_glass_75_e6e6e6_1x400.png
ui-bg_glass_95_fef1ec_1x400.png
ui-bg_highlight-soft_75_cccccc_1x100.png
ui-icons_222222_256x240.png
ui-icons_2e83ff_256x240.png
ui-icons_454545_256x240.png
ui-icons_888888_256x240.png
ui-icons_cd0a0a_256x240.png
favicon.ico
images
ajax-loader.gif
bgR.png
c1_i1.png
c2_i2.png
c2_i3.png
c2_i4.png
c2_i5.png
c2_i6.png
c3_i7.png
footer_bg.png
footerContainerBgR.png
header_bg.png
jsonEditor
doc.gif
docNode.gif
docNodeLast.gif
docNodeLastFirst.gif
folder.gif
folderNode.gif
folderNodeFirst.gif
folderNodeLast.gif
folderNodeLastFirst.gif
folderNodeOpen.gif
folderNodeOpenFirst.gif
folderNodeOpenLast.gif
folderNodeOpenLastFirst.gif
folderOpen.gif
vertLine.gif
logo.png
midBox1.png
midBox2Arrow.png
sideBarArrow.png
sideBarListBoxBottom.png
sideBarListBoxTop.png
submit.png
topNavSep.png
js
jstree
themes
default
dot_for_ie.gif
icons.png
throbber.gif
icons
txt.png
rdb.jsonEditor
JSONTemplates
Raven.Tests
Indexes
Linq
Patching
Properties
Storage
Transactions
Views
Raven.Tryouts
Properties
RavenDB.suo
Release
SharedLibs
Esent.Interop.dll
Esent.Interop.pdb
ICSharpCode.NRefactory.dll
ICSharpCode.SharpZipLib.dll
log4net.dll
Lucene.Net.dll
Lucene.Net.pdb
Newtonsoft.Json.dll
Rhino.Mocks.dll
SgmlReaderDll.dll
SgmlReaderDll.pdb
System.Management.Automation.dll
xunit.dll
xunit.extensions.dll
Tools
ILMerge.exe
xUnit
xunit.console.exe
xunit.dll
xunit.extensions.dll
xunit.gui.exe
xunit.installer.exe
XUnit.NAntTasks.dll
xunit.runner.msbuild.dll
xunit.runner.resharper.dll
xunit.runner.tdnet.dll
xunit.runner.utility.dll
zip.exe
Utilities
Binaries
ILMerge.exe
Newtonsoft.Json.dll
Raven.DefaultDatabase.Creator.exe
Raven.DefaultDatabase.Creator.pdb
Raven.Merger.exe
Raven.Merger.pdb
SgmlReaderDll.dll
SgmlReaderDll.pdb
Raven.DefaultDatabase.Creator
Properties
Raven.Merger
Properties
/*
 * jsTree 0.9.9a
 * http://jstree.com/
 *
 * Copyright (c) 2009 Ivan Bozhanov (vakata.com)
 *
 * Dual licensed under the MIT and GPL licenses:
 *   http://www.opensource.org/licenses/mit-license.php
 *   http://www.gnu.org/licenses/gpl.html
 *
 * Date: 2009-10-06
 *
 */

(function($) {
	// jQuery plugin
	$.tree = {
		datastores	: { },
		plugins		: { },
		defaults	: {
			data	: {
				async	: false,		// Are async requests used to load open_branch contents
				type	: "html",		// One of included datastores
				opts	: { method: "GET", url: false } // Options passed to datastore
			},
			selected	: false,		// FALSE or STRING or ARRAY
			opened		: [],			// ARRAY OF INITIALLY OPENED NODES
			languages	: [],			// ARRAY of string values (which will be used as CSS classes - so they must be valid)
			ui		: {
				dots		: true,		// BOOL - dots or no dots
				animation	: 0,		// INT - duration of open/close animations in miliseconds
				scroll_spd	: 4,
				theme_path	: false,	// Path to the theme CSS file - if set to false and theme_name is not false - will lookup jstree-path-here/themes/theme-name-here/style.css
				theme_name	: "default",// if set to false no theme will be loaded
				selected_parent_close	: "select_parent", // false, "deselect", "select_parent"
				selected_delete			: "select_previous" // false, "select_previous"
			},
			types	: {
				"default" : {
					clickable	: true, // can be function
					renameable	: true, // can be function
					deletable	: true, // can be function
					creatable	: true, // can be function
					draggable	: true, // can be function
					max_children	: -1, // -1 - not set, 0 - no children, 1 - one child, etc // can be function
					max_depth		: -1, // -1 - not set, 0 - no children, 1 - one level of children, etc // can be function
					valid_children	: "all", // all, none, array of values // can be function
					icon : {
						image : false,
						position : false
					}
				}
			},
			rules	: {
				multiple	: false,	// FALSE | CTRL | ON - multiple selection off/ with or without holding Ctrl
				multitree	: "none",	// all, none, array of tree IDs to accept from
				type_attr	: "rel",	// STRING attribute name (where is the type stored as string)
				createat	: "bottom",	// STRING (top or bottom) new nodes get inserted at top or bottom
				drag_copy	: "ctrl",	// FALSE | CTRL | ON - drag to copy off/ with or without holding Ctrl
				drag_button	: "left",	// left, right or both
				use_max_children	: true,
				use_max_depth		: true,

				max_children: -1,
				max_depth	: -1,
				valid_children : "all"
			},
			lang : {
				new_node	: "New folder",
				loading		: "Loading ..."
			},
			callback	: {
				beforechange: function(NODE,TREE_OBJ) { return true },
				beforeopen	: function(NODE,TREE_OBJ) { return true },
				beforeclose	: function(NODE,TREE_OBJ) { return true },
				beforemove	: function(NODE,REF_NODE,TYPE,TREE_OBJ) { return true }, 
				beforecreate: function(NODE,REF_NODE,TYPE,TREE_OBJ) { return true }, 
				beforerename: function(NODE,LANG,TREE_OBJ) { return true }, 
				beforedelete: function(NODE,TREE_OBJ) { return true }, 
				beforedata	: function(NODE,TREE_OBJ) { return { id : $(NODE).attr("id") || 0 } }, // PARAMETERS PASSED TO SERVER
				ondata		: function(DATA,TREE_OBJ) { return DATA; },		// modify data before parsing it
				onparse		: function(STR,TREE_OBJ) { return STR; },		// modify string before visualizing it
				onhover		: function(NODE,TREE_OBJ) { },					// node hovered
				onselect	: function(NODE,TREE_OBJ) { },					// node selected
				ondeselect	: function(NODE,TREE_OBJ) { },					// node deselected
				onchange	: function(NODE,TREE_OBJ) { },					// focus changed
				onrename	: function(NODE,TREE_OBJ,RB) { },				// node renamed
				onmove		: function(NODE,REF_NODE,TYPE,TREE_OBJ,RB) { },	// move completed
				oncopy		: function(NODE,REF_NODE,TYPE,TREE_OBJ,RB) { },	// copy completed
				oncreate	: function(NODE,REF_NODE,TYPE,TREE_OBJ,RB) { },	// node created
				ondelete	: function(NODE,TREE_OBJ,RB) { },				// node deleted
				onopen		: function(NODE,TREE_OBJ) { },					// node opened
				onopen_all	: function(TREE_OBJ) { },						// all nodes opened
				onclose_all	: function(TREE_OBJ) { },						// all nodes closed
				onclose		: function(NODE,TREE_OBJ) { },					// node closed
				error		: function(TEXT,TREE_OBJ) { },					// error occured
				ondblclk	: function(NODE,TREE_OBJ) { TREE_OBJ.toggle_branch.call(TREE_OBJ, NODE); TREE_OBJ.select_branch.call(TREE_OBJ, NODE); },
				onrgtclk	: function(NODE,TREE_OBJ,EV) { },				// right click - to prevent use: EV.preventDefault(); EV.stopPropagation(); return false
				onload		: function(TREE_OBJ) { },
				oninit		: function(TREE_OBJ) { },
				onfocus		: function(TREE_OBJ) { },
				ondestroy	: function(TREE_OBJ) { },
				onsearch	: function(NODES, TREE_OBJ) { NODES.addClass("search"); },
				ondrop		: function(NODE,REF_NODE,TYPE,TREE_OBJ) { },
				check		: function(RULE,NODE,VALUE,TREE_OBJ) { return VALUE; },
				check_move	: function(NODE,REF_NODE,TYPE,TREE_OBJ) { return true; }
			},
			plugins : { }
		},

		create		: function () { return new tree_component(); },
		focused		: function () { return tree_component.inst[tree_component.focused]; },
		reference	: function (obj) { 
			var o = $(obj); 
			if(!o.size()) o = $("#" + obj);
			if(!o.size()) return null; 
			o = (o.is(".tree")) ? o.attr("id") : o.parents(".tree:eq(0)").attr("id"); 
			return tree_component.inst[o] || null; 
		},
		rollback	: function (data) {
			for(var i in data) {
				if(!data.hasOwnProperty(i)) continue;
				var tmp = tree_component.inst[i];
				var lock = !tmp.locked;

				// if not locked - lock the tree
				if(lock) tmp.lock(true);
				// Cancel ongoing rename
				tmp.inp = false;
				tmp.container.html(data[i].html).find(".dragged").removeClass("dragged").end().find(".hover").removeClass("hover");

				if(data[i].selected) {
					tmp.selected = $("#" + data[i].selected);
					tmp.selected_arr = [];
					tmp.container
						.find("a.clicked").each( function () {
							tmp.selected_arr.push(tmp.get_node(this));
						});
				}
				// if this function set the lock - unlock
				if(lock) tmp.lock(false);

				delete lock;
				delete tmp;
			}
		},
		drop_mode	: function (opts) {
			opts = $.extend(opts, { show : false, type : "default", str : "Foreign node" });
			tree_component.drag_drop.foreign	= true;
			tree_component.drag_drop.isdown		= true;
			tree_component.drag_drop.moving		= true;
			tree_component.drag_drop.appended	= false;
			tree_component.drag_drop.f_type		= opts.type;
			tree_component.drag_drop.f_data		= opts;


			if(!opts.show) {
				tree_component.drag_drop.drag_help	= false;
				tree_component.drag_drop.drag_node	= false;
			}
			else {
				tree_component.drag_drop.drag_help	= $("<div id='jstree-dragged' class='tree tree-default'><ul><li class='last dragged foreign'><a href='#'><ins>&nbsp;</ins>" + opts.str + "</a></li></ul></div>");
				tree_component.drag_drop.drag_node	= tree_component.drag_drop.drag_help.find("li:eq(0)");
			}
			if($.tree.drag_start !== false) $.tree.drag_start.call(null, false);
		},
		drag_start	: false,
		drag		: false,
		drag_end	: false
	};
	$.fn.tree = function (opts) {
		return this.each(function() {
			var conf = $.extend({},opts);
			if(tree_component.inst && tree_component.inst[$(this).attr('id')]) tree_component.inst[$(this).attr('id')].destroy();
			if(conf !== false) new tree_component().init(this, conf);
		});
	};

	// core
	function tree_component () {
		return {
			cntr : ++tree_component.cntr,
			settings : $.extend({},$.tree.defaults),

			init : function(elem, conf) {
				var _this = this;
				this.container = $(elem);
				if(this.container.size == 0) return false;
				tree_component.inst[this.cntr] = this;
				if(!this.container.attr("id")) this.container.attr("id","jstree_" + this.cntr); 
				tree_component.inst[this.container.attr("id")] = tree_component.inst[this.cntr];
				tree_component.focused = this.cntr;
				this.settings = $.extend(true, {}, this.settings, conf);

				// DEAL WITH LANGUAGE VERSIONS
				if(this.settings.languages && this.settings.languages.length) {
					this.current_lang = this.settings.languages[0];
					var st = false;
					var id = "#" + this.container.attr("id");
					for(var ln = 0; ln < this.settings.languages.length; ln++) {
						st = tree_component.add_css(id + " ." + this.settings.languages[ln]);
						if(st !== false) st.style.display = (this.settings.languages[ln] == this.current_lang) ? "" : "none";
					}
				}
				else this.current_lang = false;
				// THEMES
				this.container.addClass("tree");
				if(this.settings.ui.theme_name !== false) {
					if(this.settings.ui.theme_path === false) {
						$("script").each(function () { 
							if(this.src.toString().match(/jquery\.tree.*?js$/)) { _this.settings.ui.theme_path = this.src.toString().replace(/jquery\.tree.*?js$/, "") + "themes/" + _this.settings.ui.theme_name + "/style.css"; return false; }
						});
					}
					if(this.settings.ui.theme_path != "" && $.inArray(this.settings.ui.theme_path, tree_component.themes) == -1) {
						tree_component.add_sheet({ url : this.settings.ui.theme_path });
						tree_component.themes.push(this.settings.ui.theme_path);
					}
					this.container.addClass("tree-" + this.settings.ui.theme_name);
				}
				// TYPE ICONS
				var type_icons = "";
				for(var t in this.settings.types) {
					if(!this.settings.types.hasOwnProperty(t)) continue;
					if(!this.settings.types[t].icon) continue;
					if( this.settings.types[t].icon.image || this.settings.types[t].icon.position) {
						if(t == "default")  type_icons += "#" + this.container.attr("id") + " li > a ins { ";
						else type_icons += "#" + this.container.attr("id") + " li[rel=" + t + "] > a ins { ";
						if(this.settings.types[t].icon.image) type_icons += " background-image:url(" + this.settings.types[t].icon.image + "); ";
						if(this.settings.types[t].icon.position) type_icons += " background-position:" + this.settings.types[t].icon.position + "; ";
						type_icons += "} ";
					}
				}
				if(type_icons != "") tree_component.add_sheet({ str : type_icons });

				if(this.settings.rules.multiple) this.selected_arr = [];
				this.offset = false;
				this.hovered = false;
				this.locked = false;

				if(tree_component.drag_drop.marker === false) tree_component.drag_drop.marker = $("<div>").attr({ id : "jstree-marker" }).hide().appendTo("body");
				this.callback("oninit", [this]);
				this.refresh();
				this.attach_events();
				this.focus();
			},
			refresh : function (obj) {
				if(this.locked) return this.error("LOCKED");
				var _this = this;
				if(obj && !this.settings.data.async) obj = false;
				this.is_partial_refresh = obj ? true : false;

				// SAVE OPENED
				this.opened = Array();
				if(this.settings.opened != false) {
					$.each(this.settings.opened, function (i, item) {
						if(this.replace(/^#/,"").length > 0) { _this.opened.push("#" + this.replace(/^#/,"")); }
					});
					this.settings.opened = false;
				}
				else {
					this.container.find("li.open").each(function (i) { if(this.id) { _this.opened.push("#" + this.id); } });
				}

				// SAVE SELECTED
				if(this.selected) {
					this.settings.selected = Array();
					if(obj) {
						$(obj).find("li:has(a.clicked)").each(function () {
							if(this.id) _this.settings.selected.push("#" + this.id);
						});
					}
					else {
						if(this.selected_arr) {
							$.each(this.selected_arr, function () {
								if(this.attr("id")) _this.settings.selected.push("#" + this.attr("id"));
							});
						}
						else {
							if(this.selected.attr("id")) this.settings.selected.push("#" + this.selected.attr("id"));
						}
					}
				}
				else if(this.settings.selected !== false) {
					var tmp = Array();
					if((typeof this.settings.selected).toLowerCase() == "object") {
						$.each(this.settings.selected, function () {
							if(this.replace(/^#/,"").length > 0) tmp.push("#" + this.replace(/^#/,""));
						});
					}
					else {
						if(this.settings.selected.replace(/^#/,"").length > 0) tmp.push("#" + this.settings.selected.replace(/^#/,""));
					}
					this.settings.selected = tmp;
				}

				if(obj && this.settings.data.async) {
					this.opened = Array();
					obj = this.get_node(obj);
					obj.find("li.open").each(function (i) { _this.opened.push("#" + this.id); });
					if(obj.hasClass("open")) obj.removeClass("open").addClass("closed");
					if(obj.hasClass("leaf")) obj.removeClass("leaf");
					obj.children("ul:eq(0)").html("");
					return this.open_branch(obj, true, function () { _this.reselect.apply(_this); });
				}

				var _this = this;
				var _datastore = new $.tree.datastores[this.settings.data.type]();
				if(this.container.children("ul").size() == 0) {
					this.container.html("<ul class='ltr' style='direction:ltr;'><li class='last'><a class='loading' href='#'><ins>&nbsp;</ins>" + (this.settings.lang.loading || "Loading ...") + "</a></li></ul>");
				}
				_datastore.load(this.callback("beforedata",[false,this]),this,this.settings.data.opts,function(data) {
					data = _this.callback("ondata",[data, _this]);
					_datastore.parse(data,_this,_this.settings.data.opts,function(str) {
						str = _this.callback("onparse", [str, _this]);
						_this.container.empty().append($("<ul class='ltr'>").html(str));
						_this.container.find("li:last-child").addClass("last").end().find("li:has(ul)").not(".open").addClass("closed");
						_this.container.find("li").not(".open").not(".closed").addClass("leaf");
						_this.reselect();
					});
				});
			},
			reselect : function (is_callback) {
				var _this = this;

				if(!is_callback)	this.cl_count = 0;
				else				this.cl_count --;
				// REOPEN BRANCHES
				if(this.opened && this.opened.length) {
					var opn = false;
					for(var j = 0; this.opened && j < this.opened.length; j++) {
						if(this.settings.data.async) {
							var tmp = this.get_node(this.opened[j]);
							if(tmp.size() && tmp.hasClass("closed") > 0) {
								opn = true;
								var tmp = this.opened[j].toString().replace('/','\\/');
								delete this.opened[j];
								this.open_branch(tmp, true, function () { _this.reselect.apply(_this, [true]); } );
								this.cl_count ++;
							}
						}
						else this.open_branch(this.opened[j], true);
					}
					if(this.settings.data.async && opn) return;
					if(this.cl_count > 0) return;
					delete this.opened;
				} 
				if(this.cl_count > 0) return;

				// DOTS and RIGHT TO LEFT
				this.container.css("direction","ltr").children("ul:eq(0)").addClass("ltr");
				if(this.settings.ui.dots == false)	this.container.children("ul:eq(0)").addClass("no_dots");

				// REPOSITION SCROLL
				if(this.scrtop) {
					this.container.scrollTop(_this.scrtop);
					delete this.scrtop;
				}
				// RESELECT PREVIOUSLY SELECTED
				if(this.settings.selected !== false) {
					$.each(this.settings.selected, function (i) {
						if(_this.is_partial_refresh)	_this.select_branch($(_this.settings.selected[i].toString().replace('/','\\/'), _this.container), (_this.settings.rules.multiple !== false) );
						else							_this.select_branch($(_this.settings.selected[i].toString().replace('/','\\/'), _this.container), (_this.settings.rules.multiple !== false && i > 0) );
					});
					this.settings.selected = false;
				}
				this.callback("onload", [_this]);
			},

			get : function (obj, format, opts) {
				if(!format) format = this.settings.data.type;
				if(!opts) opts = this.settings.data.opts;
				return new $.tree.datastores[format]().get(obj, this, opts);
			},

			attach_events : function () {
				var _this = this;

				this.container
					.bind("mousedown.jstree", function (event) {
						if(tree_component.drag_drop.isdown) {
							tree_component.drag_drop.move_type = false;
							event.preventDefault();
							event.stopPropagation();
							event.stopImmediatePropagation();
							return false;
						}
					})
					.bind("mouseup.jstree", function (event) {
						setTimeout( function() { _this.focus.apply(_this); }, 5);
					})
					.bind("click.jstree", function (event) { 
						//event.stopPropagation(); 
						return true;
					});
				$("li", this.container.get(0))
					.live("click", function(event) { // WHEN CLICK IS ON THE ARROW
						if(event.target.tagName != "LI") return true;
						_this.off_height();
						if(event.pageY - $(event.target).offset().top > _this.li_height) return true;
						_this.toggle_branch.apply(_this, [event.target]);
						event.stopPropagation();
						return false;
					});
				$("a", this.container.get(0))
					.live("click", function (event) { // WHEN CLICK IS ON THE TEXT OR ICON
						if(event.which && event.which == 3) return true;
						if(_this.locked) {
							event.preventDefault(); 
							event.target.blur();
							return _this.error("LOCKED");
						}
						_this.select_branch.apply(_this, [event.target, event.ctrlKey || _this.settings.rules.multiple == "on"]);
						if(_this.inp) { _this.inp.blur(); }
						event.preventDefault(); 
						event.target.blur();
						return false;
					})
					.live("dblclick", function (event) { // WHEN DOUBLECLICK ON TEXT OR ICON
						if(_this.locked) {
							event.preventDefault(); 
							event.stopPropagation();
							event.target.blur();
							return _this.error("LOCKED");
						}
						_this.callback("ondblclk", [_this.get_node(event.target).get(0), _this]);
						event.preventDefault(); 
						event.stopPropagation();
						event.target.blur();
					})
					.live("contextmenu", function (event) {
						if(_this.locked) {
							event.target.blur();
							return _this.error("LOCKED");
						}
						return _this.callback("onrgtclk", [_this.get_node(event.target).get(0), _this, event]);
					})
					.live("mouseover", function (event) {
						if(_this.locked) {
							event.preventDefault();
							event.stopPropagation();
							return _this.error("LOCKED");
						}
						if(_this.hovered !== false && (event.target.tagName == "A" || event.target.tagName == "INS")) {
							_this.hovered.children("a").removeClass("hover");
							_this.hovered = false;
						}
						_this.callback("onhover",[_this.get_node(event.target).get(0), _this]);
					})
					.live("mousedown", function (event) {
						if(_this.settings.rules.drag_button == "left" && event.which && event.which != 1)	return true;
						if(_this.settings.rules.drag_button == "right" && event.which && event.which != 3)	return true;
						_this.focus.apply(_this);
						if(_this.locked) return _this.error("LOCKED");
						// SELECT LIST ITEM NODE
						var obj = _this.get_node(event.target);
						// IF ITEM IS DRAGGABLE
						if(_this.settings.rules.multiple != false && _this.selected_arr.length > 1 && obj.children("a:eq(0)").hasClass("clicked")) {
							var counter = 0;
							for(var i in _this.selected_arr) {
								if(!_this.selected_arr.hasOwnProperty(i)) continue;
								if(_this.check("draggable", _this.selected_arr[i])) {
									_this.selected_arr[i].addClass("dragged");
									tree_component.drag_drop.origin_tree = _this;
									counter ++;
								}
							}
							if(counter > 0) {
								if(_this.check("draggable", obj))	tree_component.drag_drop.drag_node = obj;
								else								tree_component.drag_drop.drag_node = _this.container.find("li.dragged:eq(0)");
								tree_component.drag_drop.isdown		= true;
								tree_component.drag_drop.drag_help	= $("<div id='jstree-dragged' class='tree " + ( _this.settings.ui.theme_name != "" ? " tree-" + _this.settings.ui.theme_name : "" ) + "' />").append("<ul class='" + _this.container.children("ul:eq(0)").get(0).className + "' />");
								var tmp = tree_component.drag_drop.drag_node.clone();
								if(_this.settings.languages.length > 0) tmp.find("a").not("." + _this.current_lang).hide();
								tree_component.drag_drop.drag_help.children("ul:eq(0)").append(tmp);
								tree_component.drag_drop.drag_help.find("li:eq(0)").removeClass("last").addClass("last").children("a").html("<ins>&nbsp;</ins>Multiple selection").end().children("ul").remove();

								tree_component.drag_drop.dragged = _this.container.find("li.dragged");
							}
						}
						else {
							if(_this.check("draggable", obj)) {
								tree_component.drag_drop.drag_node	= obj;
								tree_component.drag_drop.drag_help	= $("<div id='jstree-dragged' class='tree " + ( _this.settings.ui.theme_name != "" ? " tree-" + _this.settings.ui.theme_name : "" ) + "' />").append("<ul class='" + _this.container.children("ul:eq(0)").get(0).className + "' />");
								var tmp = obj.clone();
								if(_this.settings.languages.length > 0) tmp.find("a").not("." + _this.current_lang).hide();
								tree_component.drag_drop.drag_help.children("ul:eq(0)").append(tmp);
								tree_component.drag_drop.drag_help.find("li:eq(0)").removeClass("last").addClass("last");
								tree_component.drag_drop.isdown		= true;
								tree_component.drag_drop.foreign	= false;
								tree_component.drag_drop.origin_tree = _this;
								obj.addClass("dragged");

								tree_component.drag_drop.dragged = _this.container.find("li.dragged");
							}
						}
						tree_component.drag_drop.init_x = event.pageX;
						tree_component.drag_drop.init_y = event.pageY;
						obj.blur();
						event.preventDefault(); 
						event.stopPropagation();
						return false;
					});
			},
			focus : function () {
				if(this.locked) return false;
				if(tree_component.focused != this.cntr) {
					tree_component.focused = this.cntr;
					this.callback("onfocus",[this]);
				}
			},

			off_height : function () {
				if(this.offset === false) {
					this.container.css({ position : "relative" });
					this.offset = this.container.offset();
					var tmp = 0;
					tmp = parseInt($.curCSS(this.container.get(0), "paddingTop", true),10);
					if(tmp) this.offset.top += tmp;
					tmp = parseInt($.curCSS(this.container.get(0), "borderTopWidth", true),10);
					if(tmp) this.offset.top += tmp;
					this.container.css({ position : "" });
				}
				if(!this.li_height) {
					var tmp = this.container.find("ul li.closed, ul li.leaf").eq(0);
					this.li_height = tmp.height();
					if(tmp.children("ul:eq(0)").size()) this.li_height -= tmp.children("ul:eq(0)").height();
					if(!this.li_height) this.li_height = 18;
				}
			},
			scroll_check : function (x,y) { 
				var _this = this;
				var cnt = _this.container;
				var off = _this.container.offset();

				var st = cnt.scrollTop();
				var sl = cnt.scrollLeft();
				// DETECT HORIZONTAL SCROLL
				var h_cor = (cnt.get(0).scrollWidth > cnt.width()) ? 40 : 20;

				if(y - off.top < 20)						cnt.scrollTop(Math.max( (st - _this.settings.ui.scroll_spd) ,0));	// NEAR TOP
				if(cnt.height() - (y - off.top) < h_cor)	cnt.scrollTop(st + _this.settings.ui.scroll_spd);					// NEAR BOTTOM
				if(x - off.left < 20)						cnt.scrollLeft(Math.max( (sl - _this.settings.ui.scroll_spd),0));	// NEAR LEFT
				if(cnt.width() - (x - off.left) < 40)		cnt.scrollLeft(sl + _this.settings.ui.scroll_spd);					// NEAR RIGHT

				if(cnt.scrollLeft() != sl || cnt.scrollTop() != st) {
					tree_component.drag_drop.move_type	= false;
					tree_component.drag_drop.ref_node	= false;
					tree_component.drag_drop.marker.hide();
				}
				tree_component.drag_drop.scroll_time = setTimeout( function() { _this.scroll_check(x,y); }, 50);
			},
			scroll_into_view : function (obj) {
				obj = obj ? this.get_node(obj) : this.selected;
				if(!obj) return false;
				var off_t = obj.offset().top;
				var beg_t = this.container.offset().top;
				var end_t = beg_t + this.container.height();
				var h_cor = (this.container.get(0).scrollWidth > this.container.width()) ? 40 : 20;
				if(off_t + 5 < beg_t) this.container.scrollTop(this.container.scrollTop() - (beg_t - off_t + 5) );
				if(off_t + h_cor > end_t) this.container.scrollTop(this.container.scrollTop() + (off_t + h_cor - end_t) );
			},

			get_node : function (obj) {
				return $(obj).closest("li");
			},
			get_type : function (obj) {
				obj = !obj ? this.selected : this.get_node(obj);
				if(!obj) return;
				var tmp = obj.attr(this.settings.rules.type_attr);
				return tmp || "default";
			},
			set_type : function (str, obj) {
				obj = !obj ? this.selected : this.get_node(obj);
				if(!obj || !str) return;
				obj.attr(this.settings.rules.type_attr, str);
			},
			get_text : function (obj, lang) {
				obj = this.get_node(obj);
				if(!obj || obj.size() == 0) return "";
				if(this.settings.languages && this.settings.languages.length) {
					lang = lang ? lang : this.current_lang;
					obj = obj.children("a." + lang);
				}
				else obj = obj.children("a:visible");
				var val = "";
				obj.contents().each(function () {
					if(this.nodeType == 3) { val = this.data; return false; }
				});
				return val;
			},

			check : function (rule, obj) {
				if(this.locked) return false;
				var v = false;
				// if root node
				if(obj === -1) { if(typeof this.settings.rules[rule] != "undefined") v = this.settings.rules[rule]; }
				else {
					obj = !obj ? this.selected : this.get_node(obj);
					if(!obj) return;
					var t = this.get_type(obj);
					if(typeof this.settings.types[t] != "undefined" && typeof this.settings.types[t][rule] != "undefined") v = this.settings.types[t][rule];
					else if(typeof this.settings.types["default"] != "undefined" && typeof this.settings.types["default"][rule] != "undefined") v = this.settings.types["default"][rule];
				}
				if(typeof v == "function") v = v.call(null, obj, this);
				v = this.callback("check", [rule, obj, v, this]);
				return v;
			},
			check_move : function (nod, ref_node, how) {
				if(this.locked) return false;
				if($(ref_node).closest("li.dragged").size()) return false;

				var tree1 = nod.parents(".tree:eq(0)").get(0);
				var tree2 = ref_node.parents(".tree:eq(0)").get(0);
				// if different trees
				if(tree1 && tree1 != tree2) {
					var m = $.tree.reference(tree2.id).settings.rules.multitree;
					if(m == "none" || ($.isArray(m) && $.inArray(tree1.id, m) == -1)) return false;
				}

				var p = (how != "inside") ? this.parent(ref_node) : this.get_node(ref_node);
				nod = this.get_node(nod);
				if(p == false) return false;
				var r = {
					max_depth : this.settings.rules.use_max_depth ? this.check("max_depth", p) : -1,
					max_children : this.settings.rules.use_max_children ? this.check("max_children", p) : -1,
					valid_children : this.check("valid_children", p)
				};
				var nod_type = (typeof nod == "string") ? nod : this.get_type(nod);
				if(typeof r.valid_children != "undefined" && (r.valid_children == "none" || (typeof r.valid_children == "object" && $.inArray(nod_type, $.makeArray(r.valid_children)) == -1))) return false;
				
				if(this.settings.rules.use_max_children) {
					if(typeof r.max_children != "undefined" && r.max_children != -1) {
						if(r.max_children == 0) return false;
						var c_count = 1;
						if(tree_component.drag_drop.moving == true && tree_component.drag_drop.foreign == false) {
							c_count = tree_component.drag_drop.dragged.size();
							c_count = c_count - p.find('> ul > li.dragged').size();
						}
						if(r.max_children < p.find('> ul > li').size() + c_count) return false;
					}
				}

				if(this.settings.rules.use_max_depth) {
					if(typeof r.max_depth != "undefined" && r.max_depth === 0) return this.error("MOVE: MAX-DEPTH REACHED");
					// check for max_depth up the chain
					var mx = (r.max_depth > 0) ? r.max_depth : false;
					var i = 0;
					var t = p;
					while(t !== -1) {
						t = this.parent(t);
						i ++;
						var m = this.check("max_depth",t);
						if(m >= 0) {
							mx = (mx === false) ? (m - i) : Math.min(mx, m - i);
						}
						if(mx !== false && mx <= 0) return this.error("MOVE: MAX-DEPTH REACHED");
					}
					if(mx !== false && mx <= 0) return this.error("MOVE: MAX-DEPTH REACHED");
					if(mx !== false) { 
						var incr = 1;
						if(typeof nod != "string") {
							var t = nod;
							// possible async problem - when nodes are not all loaded down the chain
							while(t.size() > 0) {
								if(mx - incr < 0) return this.error("MOVE: MAX-DEPTH REACHED");
								t = t.children("ul").children("li");
								incr ++;
							}
						}
					}
				}
				if(this.callback("check_move", [nod, ref_node, how, this]) == false) return false;
				return true;
			},

			hover_branch : function (obj) {
				if(this.locked) return this.error("LOCKED");
				var _this = this;
				var obj = _this.get_node(obj);
				if(!obj.size()) return this.error("HOVER: NOT A VALID NODE");
				if(!_this.check("clickable", obj)) return this.error("SELECT: NODE NOT SELECTABLE");
				if(this.hovered) this.hovered.children("A").removeClass("hover");
				this.hovered = obj;
				this.hovered.children("a").addClass("hover");
				this.scroll_into_view(this.hovered);
			},
			select_branch : function (obj, multiple) {
				if(this.locked) return this.error("LOCKED");
				if(!obj && this.hovered !== false) obj = this.hovered;
				var _this = this;
				obj = _this.get_node(obj);
				if(!obj.size()) return this.error("SELECT: NOT A VALID NODE");
				obj.children("a").removeClass("hover");
				// CHECK AGAINST RULES FOR SELECTABLE NODES
				if(!_this.check("clickable", obj)) return this.error("SELECT: NODE NOT SELECTABLE");
				if(_this.callback("beforechange",[obj.get(0),_this]) === false) return this.error("SELECT: STOPPED BY USER");
				// IF multiple AND obj IS ALREADY SELECTED - DESELECT IT
				if(this.settings.rules.multiple != false && multiple && obj.children("a.clicked").size() > 0) {
					return this.deselect_branch(obj);
				}
				if(this.settings.rules.multiple != false && multiple) {
					this.selected_arr.push(obj);
				}
				if(this.settings.rules.multiple != false && !multiple) {
					for(var i in this.selected_arr) {
						if(!this.selected_arr.hasOwnProperty(i)) continue;
						this.selected_arr[i].children("A").removeClass("clicked");
						this.callback("ondeselect", [this.selected_arr[i].get(0), _this]);
					}
					this.selected_arr = [];
					this.selected_arr.push(obj);
					if(this.selected && this.selected.children("A").hasClass("clicked")) {
						this.selected.children("A").removeClass("clicked");
						this.callback("ondeselect", [this.selected.get(0), _this]);
					}
				}
				if(!this.settings.rules.multiple) {
					if(this.selected) {
						this.selected.children("A").removeClass("clicked");
						this.callback("ondeselect", [this.selected.get(0), _this]);
					}
				}
				// SAVE NEWLY SELECTED
				this.selected = obj;
				if(this.hovered !== false) {
					this.hovered.children("A").removeClass("hover");
					this.hovered = obj;
				}

				// FOCUS NEW NODE AND OPEN ALL PARENT NODES IF CLOSED
				this.selected.children("a").addClass("clicked").end().parents("li.closed").each( function () { _this.open_branch(this, true); });

				// SCROLL SELECTED NODE INTO VIEW
				this.scroll_into_view(this.selected);
				this.callback("onselect", [this.selected.get(0), _this]);
				this.callback("onchange", [this.selected.get(0), _this]);
			},
			deselect_branch : function (obj) {
				if(this.locked) return this.error("LOCKED");
				var _this = this;
				var obj = this.get_node(obj);
				if(obj.children("a.clicked").size() == 0) return this.error("DESELECT: NODE NOT SELECTED");

				obj.children("a").removeClass("clicked");
				this.callback("ondeselect", [obj.get(0), _this]);
				if(this.settings.rules.multiple != false && this.selected_arr.length > 1) {
					this.selected_arr = [];
					this.container.find("a.clicked").filter(":first-child").parent().each(function () {
						_this.selected_arr.push($(this));
					});
					if(obj.get(0) == this.selected.get(0)) {
						this.selected = this.selected_arr[0];
					}
				}
				else {
					if(this.settings.rules.multiple != false) this.selected_arr = [];
					this.selected = false;
				}
				this.callback("onchange", [obj.get(0), _this]);
			},
			toggle_branch : function (obj) {
				if(this.locked) return this.error("LOCKED");
				var obj = this.get_node(obj);
				if(obj.hasClass("closed"))	return this.open_branch(obj);
				if(obj.hasClass("open"))	return this.close_branch(obj); 
			},
			open_branch : function (obj, disable_animation, callback) {
				var _this = this;

				if(this.locked) return this.error("LOCKED");
				var obj = this.get_node(obj);
				if(!obj.size()) return this.error("OPEN: NO SUCH NODE");
				if(obj.hasClass("leaf")) return this.error("OPEN: OPENING LEAF NODE");
				if(this.settings.data.async && obj.find("li").size() == 0) {
					
					if(this.callback("beforeopen",[obj.get(0),this]) === false) return this.error("OPEN: STOPPED BY USER");

					obj.children("ul:eq(0)").remove().end().append("<ul><li class='last'><a class='loading' href='#'><ins>&nbsp;</ins>" + (_this.settings.lang.loading || "Loading ...") + "</a></li></ul>");
					obj.removeClass("closed").addClass("open");

					var _datastore = new $.tree.datastores[this.settings.data.type]();
					_datastore.load(this.callback("beforedata",[obj,this]),this,this.settings.data.opts,function(data){
						data = _this.callback("ondata", [data, _this]);
						if(!data || data.length == 0) {
							obj.removeClass("closed").removeClass("open").addClass("leaf").children("ul").remove();
							if(callback) callback.call();
							return;
						}
						_datastore.parse(data,_this,_this.settings.data.opts,function(str){
							str = _this.callback("onparse", [str, _this]);
							// if(obj.children('ul:eq(0)').children('li').size() > 1) obj.children("ul").find('.loaading').parent().replaceWith(str); else 
							obj.children("ul:eq(0)").replaceWith($("<ul>").html(str));
							obj.find("li:last-child").addClass("last").end().find("li:has(ul)").not(".open").addClass("closed");
							obj.find("li").not(".open").not(".closed").addClass("leaf");
							_this.open_branch.apply(_this, [obj]);
							if(callback) callback.call();
						});
					});
					return true;
				}
				else {
					if(!this.settings.data.async) {
						if(this.callback("beforeopen",[obj.get(0),this]) === false) return this.error("OPEN: STOPPED BY USER");
					}
					if(parseInt(this.settings.ui.animation) > 0 && !disable_animation ) {
						obj.children("ul:eq(0)").css("display","none");
						obj.removeClass("closed").addClass("open");
						obj.children("ul:eq(0)").slideDown(parseInt(this.settings.ui.animation), function() {
							$(this).css("display","");
							if(callback) callback.call();
						});
					} else {
						obj.removeClass("closed").addClass("open");
						if(callback) callback.call();
					}
					this.callback("onopen", [obj.get(0), this]);
					return true;
				}
			},
			close_branch : function (obj, disable_animation) {
				if(this.locked) return this.error("LOCKED");
				var _this = this;
				var obj = this.get_node(obj);
				if(!obj.size()) return this.error("CLOSE: NO SUCH NODE");
				if(_this.callback("beforeclose",[obj.get(0),_this]) === false) return this.error("CLOSE: STOPPED BY USER");
				if(parseInt(this.settings.ui.animation) > 0 && !disable_animation && obj.children("ul:eq(0)").size() == 1) {
					obj.children("ul:eq(0)").slideUp(parseInt(this.settings.ui.animation), function() {
						if(obj.hasClass("open")) obj.removeClass("open").addClass("closed");
						$(this).css("display","");
					});
				} 
				else {
					if(obj.hasClass("open")) obj.removeClass("open").addClass("closed");
				}
				if(this.selected && this.settings.ui.selected_parent_close !== false && obj.children("ul:eq(0)").find("a.clicked").size() > 0) {
					obj.find("li:has(a.clicked)").each(function() {
						_this.deselect_branch(this);
					});
					if(this.settings.ui.selected_parent_close == "select_parent" && obj.children("a.clicked").size() == 0) this.select_branch(obj, (this.settings.rules.multiple != false && this.selected_arr.length > 0) );
				}
				this.callback("onclose", [obj.get(0), this]);
			},
			open_all : function (obj, callback) {
				if(this.locked) return this.error("LOCKED");
				var _this = this;
				obj = obj ? this.get_node(obj) : this.container;

				var s = obj.find("li.closed").size();
				if(!callback)	this.cl_count = 0;
				else			this.cl_count --;
				if(s > 0) {
					this.cl_count += s;
					// maybe add .andSelf()
					obj.find("li.closed").each( function () { var __this = this; _this.open_branch.apply(_this, [this, true, function() { _this.open_all.apply(_this, [__this, true]); } ]); });
				}
				else if(this.cl_count == 0) this.callback("onopen_all",[this]);
			},
			close_all : function (obj) {
				if(this.locked) return this.error("LOCKED");
				var _this = this;
				obj = obj ? this.get_node(obj) : this.container;
				// maybe add .andSelf()
				obj.find("li.open").each( function () { _this.close_branch(this, true); });
				this.callback("onclose_all",[this]);
			},

			set_lang : function (i) { 
				if(!$.isArray(this.settings.languages) || this.settings.languages.length == 0) return false;
				if(this.locked) return this.error("LOCKED");
				if(!$.inArray(i,this.settings.languages) && typeof this.settings.languages[i] != "undefined") i = this.settings.languages[i];
				if(typeof i == "undefined") return false;
				if(i == this.current_lang) return true;
				var st = false;
				var id = "#" + this.container.attr("id");
				st = tree_component.get_css(id + " ." + this.current_lang);
				if(st !== false) st.style.display = "none";
				st = tree_component.get_css(id + " ." + i);
				if(st !== false) st.style.display = "";
				this.current_lang = i;
				return true;
			},
			get_lang : function () {
				if(!$.isArray(this.settings.languages) || this.settings.languages.length == 0) return false;
				return this.current_lang;
			},

			create : function (obj, ref_node, position) { 
				if(this.locked) return this.error("LOCKED");
				
				var root = false;
				if(ref_node == -1) { root = true; ref_node = this.container; }
				else ref_node = ref_node ? this.get_node(ref_node) : this.selected;

				if(!root && (!ref_node || !ref_node.size())) return this.error("CREATE: NO NODE SELECTED");

				var pos = position;

				var tmp = ref_node; // for type calculation
				if(position == "before") {
					position = ref_node.parent().children().index(ref_node);
					ref_node = ref_node.parents("li:eq(0)");
				}
				if(position == "after") {
					position = ref_node.parent().children().index(ref_node) + 1;
					ref_node = ref_node.parents("li:eq(0)");
				}
				if(!root && ref_node.size() == 0) { root = true; ref_node = this.container; }

				if(!root) {
					if(!this.check("creatable", ref_node)) return this.error("CREATE: CANNOT CREATE IN NODE");
					if(ref_node.hasClass("closed")) {
						if(this.settings.data.async && ref_node.children("ul").size() == 0) {
							var _this = this;
							return this.open_branch(ref_node, true, function () { _this.create.apply(_this, [obj, ref_node, position]); } );
						}
						else this.open_branch(ref_node, true);
					}
				}

				// creating new object to pass to parseJSON
				var torename = false; 
				if(!obj)	obj = {};
				else		obj = $.extend(true, {}, obj);
				if(!obj.attributes) obj.attributes = {};
				if(!obj.attributes[this.settings.rules.type_attr]) obj.attributes[this.settings.rules.type_attr] = this.get_type(tmp) || "default";
				if(this.settings.languages.length) {
					if(!obj.data) { obj.data = {}; torename = true; }
					for(var i = 0; i < this.settings.languages.length; i++) {
						if(!obj.data[this.settings.languages[i]]) obj.data[this.settings.languages[i]] = ((typeof this.settings.lang.new_node).toLowerCase() != "string" && this.settings.lang.new_node[i]) ? this.settings.lang.new_node[i] : this.settings.lang.new_node;
					}
				}
				else {
					if(!obj.data) { obj.data = this.settings.lang.new_node; torename = true; }
				}

				obj = this.callback("ondata",[obj, this]);
				var obj_s = $.tree.datastores.json().parse(obj,this);
				obj_s = this.callback("onparse", [obj_s, this]);
				var $li = $(obj_s);

				if($li.children("ul").size()) {
					if(!$li.is(".open")) $li.addClass("closed");
				}
				else $li.addClass("leaf");
				$li.find("li:last-child").addClass("last").end().find("li:has(ul)").not(".open").addClass("closed");
				$li.find("li").not(".open").not(".closed").addClass("leaf");

				var r = {
					max_depth : this.settings.rules.use_max_depth ? this.check("max_depth", (root ? -1 : ref_node) ) : -1,
					max_children : this.settings.rules.use_max_children ? this.check("max_children", (root ? -1 : ref_node) ) : -1,
					valid_children : this.check("valid_children", (root ? -1 : ref_node) )
				};
				var nod_type = this.get_type($li);
				if(typeof r.valid_children != "undefined" && (r.valid_children == "none" || ($.isArray(r.valid_children) && $.inArray(nod_type, r.valid_children) == -1))) return this.error("CREATE: NODE NOT A VALID CHILD");

				if(this.settings.rules.use_max_children) {
					if(typeof r.max_children != "undefined" && r.max_children != -1 && r.max_children >= this.children(ref_node).size()) return this.error("CREATE: MAX_CHILDREN REACHED");
				}

				if(this.settings.rules.use_max_depth) {
					if(typeof r.max_depth != "undefined" && r.max_depth === 0) return this.error("CREATE: MAX-DEPTH REACHED");
					// check for max_depth up the chain
					var mx = (r.max_depth > 0) ? r.max_depth : false;
					var i = 0;
					var t = ref_node;

					while(t !== -1 && !root) {
						t = this.parent(t);
						i ++;
						var m = this.check("max_depth",t);
						if(m >= 0) {
							mx = (mx === false) ? (m - i) : Math.min(mx, m - i);
						}
						if(mx !== false && mx <= 0) return this.error("CREATE: MAX-DEPTH REACHED");
					}
					if(mx !== false && mx <= 0) return this.error("CREATE: MAX-DEPTH REACHED");
					if(mx !== false) { 
						var incr = 1;
						var t = $li;
						while(t.size() > 0) {
							if(mx - incr < 0) return this.error("CREATE: MAX-DEPTH REACHED");
							t = t.children("ul").children("li");
							incr ++;
						}
					}
				}

				if((typeof position).toLowerCase() == "undefined" || position == "inside") 
					position = (this.settings.rules.createat == "top") ? 0 : ref_node.children("ul:eq(0)").children("li").size();
				if(ref_node.children("ul").size() == 0 || (root == true && ref_node.children("ul").children("li").size() == 0) ) {
					if(!root)	var a = this.moved($li,ref_node.children("a:eq(0)"),"inside", true);
					else		var a = this.moved($li,this.container.children("ul:eq(0)"),"inside", true);
				}
				else if(pos == "before" && ref_node.children("ul:eq(0)").children("li:nth-child(" + (position + 1) + ")").size())
					var a = this.moved($li,ref_node.children("ul:eq(0)").children("li:nth-child(" + (position + 1) + ")").children("a:eq(0)"),"before", true);
				else if(pos == "after" &&  ref_node.children("ul:eq(0)").children("li:nth-child(" + (position) + ")").size())
					var a = this.moved($li,ref_node.children("ul:eq(0)").children("li:nth-child(" + (position) + ")").children("a:eq(0)"),"after", true);
				else if(ref_node.children("ul:eq(0)").children("li:nth-child(" + (position + 1) + ")").size())
					var a = this.moved($li,ref_node.children("ul:eq(0)").children("li:nth-child(" + (position + 1) + ")").children("a:eq(0)"),"before", true);
				else
					var a = this.moved($li,ref_node.children("ul:eq(0)").children("li:last").children("a:eq(0)"),"after",true);

				if(a === false) return this.error("CREATE: ABORTED");

				if(torename) {
					this.select_branch($li.children("a:eq(0)"));
					this.rename();
				}
				return $li;
			},
			rename : function (obj, new_name) {
				if(this.locked) return this.error("LOCKED");
				obj = obj ? this.get_node(obj) : this.selected;
				var _this = this;
				if(!obj || !obj.size()) return this.error("RENAME: NO NODE SELECTED");
				if(!this.check("renameable", obj)) return this.error("RENAME: NODE NOT RENAMABLE");
				if(!this.callback("beforerename",[obj.get(0), _this.current_lang, _this])) return this.error("RENAME: STOPPED BY USER");

				obj.parents("li.closed").each(function () { _this.open_branch(this) });
				if(this.current_lang)	obj = obj.find("a." + this.current_lang);
				else					obj = obj.find("a:first");

				// Rollback
				var rb = {}; 
				rb[this.container.attr("id")] = this.get_rollback();

				var icn = obj.children("ins").clone();
				if((typeof new_name).toLowerCase() == "string") {
					obj.text(new_name).prepend(icn);
					_this.callback("onrename", [_this.get_node(obj).get(0), _this, rb]);
				}
				else {
					var last_value = "";
					obj.contents().each(function () {
						if(this.nodeType == 3) { last_value = this.data; return false; }
					});
					_this.inp = $("<input type='text' autocomplete='off' />");
					_this.inp
						.val(last_value.replace(/&amp;/g,"&").replace(/&gt;/g,">").replace(/&lt;/g,"<"))
						.bind("mousedown",		function (event) { event.stopPropagation(); })
						.bind("mouseup",		function (event) { event.stopPropagation(); })
						.bind("click",			function (event) { event.stopPropagation(); })
						.bind("keyup",			function (event) { 
								var key = event.keyCode || event.which;
								if(key == 27) { this.value = last_value; this.blur(); return }
								if(key == 13) { this.blur(); return; }
							});
					_this.inp.blur(function(event) {
							if(this.value == "") this.value = last_value; 
							obj.text(this.value).prepend(icn);
							obj.get(0).style.display = ""; 
							obj.prevAll("span").remove(); 
							_this.inp = false;
							_this.callback("onrename", [_this.get_node(obj).get(0), _this, rb]);
						});

					var spn = $("<span />").addClass(obj.attr("class")).append(icn).append(_this.inp);
					obj.get(0).style.display = "none";
					obj.parent().prepend(spn);
					_this.inp.get(0).focus();
					_this.inp.get(0).select();
				}
			},
			remove : function(obj) {
				if(this.locked) return this.error("LOCKED");
				var _this = this;

				// Rollback
				var rb = {}; 
				rb[this.container.attr("id")] = this.get_rollback();

				if(obj && (!this.selected || this.get_node(obj).get(0) != this.selected.get(0) )) {
					obj = this.get_node(obj);
					if(obj.size()) {
						if(!this.check("deletable", obj)) return this.error("DELETE: NODE NOT DELETABLE");
						if(!this.callback("beforedelete",[obj.get(0), _this])) return this.error("DELETE: STOPPED BY USER");
						$parent = obj.parent();
						if(obj.find("a.clicked").size()) {
							var reset_selected = false;
							_this.selected_arr = [];
							this.container.find("a.clicked").filter(":first-child").parent().each(function () {
								if(!reset_selected && this == _this.selected.get(0)) reset_selected = true;
								if($(this).parents().index(obj) != -1) return true;
								_this.selected_arr.push($(this));
							});
							if(reset_selected) this.selected = this.selected_arr[0] || false;
						}
						obj = obj.remove();
						$parent.children("li:last").addClass("last");
						if($parent.children("li").size() == 0) {
							$li = $parent.parents("li:eq(0)");
							$li.removeClass("open").removeClass("closed").addClass("leaf").children("ul").remove();
						}
						this.callback("ondelete", [obj.get(0), this, rb]);
					}
				}
				else if(this.selected) {
					if(!this.check("deletable", this.selected)) return this.error("DELETE: NODE NOT DELETABLE");
					if(!this.callback("beforedelete",[this.selected.get(0), _this])) return this.error("DELETE: STOPPED BY USER");
					$parent = this.selected.parent();
					var obj = this.selected;
					if(this.settings.rules.multiple == false || this.selected_arr.length == 1) {
						var stop = true;
						var tmp = this.settings.ui.selected_delete == "select_previous" ? this.prev(this.selected) : false;
					}
					obj = obj.remove();
					$parent.children("li:last").addClass("last");
					if($parent.children("li").size() == 0) {
						$li = $parent.parents("li:eq(0)");
						$li.removeClass("open").removeClass("closed").addClass("leaf").children("ul").remove();
					}
					if(!stop && this.settings.rules.multiple != false) {
						var _this = this;
						this.selected_arr = [];
						this.container.find("a.clicked").filter(":first-child").parent().each(function () {
							_this.selected_arr.push($(this));
						});
						if(this.selected_arr.length > 0) {
							this.selected = this.selected_arr[0];
							this.remove();
						}
					}
					if(stop && tmp) this.select_branch(tmp); 
					this.callback("ondelete", [obj.get(0), this, rb]);
				}
				else return this.error("DELETE: NO NODE SELECTED");
			},

			next : function (obj, strict) {
				obj = this.get_node(obj);
				if(!obj.size()) return false;
				if(strict) return (obj.nextAll("li").size() > 0) ? obj.nextAll("li:eq(0)") : false;

				if(obj.hasClass("open")) return obj.find("li:eq(0)");
				else if(obj.nextAll("li").size() > 0) return obj.nextAll("li:eq(0)");
				else return obj.parents("li").next("li").eq(0);
			},
			prev : function(obj, strict) {
				obj = this.get_node(obj);
				if(!obj.size()) return false;
				if(strict) return (obj.prevAll("li").size() > 0) ? obj.prevAll("li:eq(0)") : false;

				if(obj.prev("li").size()) {
					var obj = obj.prev("li").eq(0);
					while(obj.hasClass("open")) obj = obj.children("ul:eq(0)").children("li:last");
					return obj;
				}
				else return obj.parents("li:eq(0)").size() ? obj.parents("li:eq(0)") : false;
			},
			parent : function(obj) {
				obj = this.get_node(obj);
				if(!obj.size()) return false;
				return obj.parents("li:eq(0)").size() ? obj.parents("li:eq(0)") : -1;
			},
			children : function(obj) {
				if(obj === -1) return this.container.children("ul:eq(0)").children("li");

				obj = this.get_node(obj);
				if(!obj.size()) return false;
				return obj.children("ul:eq(0)").children("li");
			},

			toggle_dots : function () {
				if(this.settings.ui.dots) {
					this.settings.ui.dots = false;
					this.container.children("ul:eq(0)").addClass("no_dots");
				}
				else {
					this.settings.ui.dots = true;
					this.container.children("ul:eq(0)").removeClass("no_dots");
				}
			},

			callback : function (cb, args) {
				var p = false;
				var r = null;
				for(var i in this.settings.plugins) {
					if(typeof $.tree.plugins[i] != "object") continue;
					p = $.tree.plugins[i];
					if(p.callbacks && typeof p.callbacks[cb] == "function") r = p.callbacks[cb].apply(this, args);
					if(typeof r !== "undefined" && r !== null) {
						if(cb == "ondata" || cb == "onparse") args[0] = r; // keep the chain if data or parse
						else return r;
					}
				}
				p = this.settings.callback[cb];
				if(typeof p == "function") return p.apply(null, args);
			},
			get_rollback : function () {
				var rb = {};
				rb.html = this.container.html();
				rb.selected = this.selected ? this.selected.attr("id") : false;
				return rb;
			},
			moved : function (what, where, how, is_new, is_copy, rb) {
				var what	= $(what);
				var $parent	= $(what).parents("ul:eq(0)");
				var $where	= $(where);
				if($where.is("ins")) $where = $where.parent();

				// Rollback
				if(!rb) {
					var rb = {}; 
					rb[this.container.attr("id")] = this.get_rollback();
					if(!is_new) {
						var tmp = what.size() > 1 ? what.eq(0).parents(".tree:eq(0)") : what.parents(".tree:eq(0)");
						if(tmp.get(0) != this.container.get(0)) {
							tmp = tree_component.inst[tmp.attr("id")];
							rb[tmp.container.attr("id")] = tmp.get_rollback();
						}
						delete tmp;
					}
				}

				if(how == "inside" && this.settings.data.async) {
					var _this = this;
					if(this.get_node($where).hasClass("closed")) {
						return this.open_branch(this.get_node($where), true, function () { _this.moved.apply(_this, [what, where, how, is_new, is_copy, rb]); });
					}
					if(this.get_node($where).find("> ul > li > a.loading").size() == 1) {
						setTimeout(function () { _this.moved.apply(_this, [what, where, how, is_new, is_copy]); }, 200);
						return;
					}
				}


				// IF MULTIPLE
				if(what.size() > 1) {
					var _this = this;
					var tmp = this.moved(what.eq(0), where, how, false, is_copy, rb);
					what.each(function (i) {
						if(i == 0) return;
						if(tmp) { // if tmp is false - the previous move was a no-go
							tmp = _this.moved(this, tmp.children("a:eq(0)"), "after", false, is_copy, rb);
						}
					});
					return what;
				}

				if(is_copy) {
					_what = what.clone();
					_what.each(function (i) {
						this.id = this.id + "_copy";
						$(this).find("li").each(function () {
							this.id = this.id + "_copy";
						});
						$(this).removeClass("dragged").find("a.clicked").removeClass("clicked").end().find("li.dragged").removeClass("dragged");
					});
				}
				else _what = what;
				if(is_new) {
					if(!this.callback("beforecreate", [this.get_node(what).get(0), this.get_node(where).get(0),how,this])) return false;
				}
				else {
					if(!this.callback("beforemove", [this.get_node(what).get(0), this.get_node(where).get(0),how,this])) return false;
				}

				if(!is_new) {
					var tmp = what.parents(".tree:eq(0)");
					// if different trees
					if(tmp.get(0) != this.container.get(0)) {
						tmp = tree_component.inst[tmp.attr("id")];

						// if there are languages - otherwise - no cleanup needed
						if(tmp.settings.languages.length) {
							var res = [];
							// if new tree has no languages - use current visible
							if(this.settings.languages.length == 0) res.push("." + tmp.current_lang);
							else {
								for(var i in this.settings.languages) {
									if(!this.settings.languages.hasOwnProperty(i)) continue;
									for(var j in tmp.settings.languages) {
										if(!tmp.settings.languages.hasOwnProperty(j)) continue;
										if(this.settings.languages[i] == tmp.settings.languages[j]) res.push("." + this.settings.languages[i]);
									}
								}
							}
							if(res.length == 0) return this.error("MOVE: NO COMMON LANGUAGES");
							_what.find("a").not(res.join(",")).remove();
						}
						_what.find("a.clicked").removeClass("clicked");
					}
				}
				what = _what;

				// ADD NODE TO NEW PLACE
				switch(how) {
					case "before":
						$where.parents("ul:eq(0)").children("li.last").removeClass("last");
						$where.parent().before(what.removeClass("last"));
						$where.parents("ul:eq(0)").children("li:last").addClass("last");
						break;
					case "after":
						$where.parents("ul:eq(0)").children("li.last").removeClass("last");
						$where.parent().after(what.removeClass("last"));
						$where.parents("ul:eq(0)").children("li:last").addClass("last");
						break;
					case "inside":
						if($where.parent().children("ul:first").size()) {
							if(this.settings.rules.createat == "top") {
								$where.parent().children("ul:first").prepend(what.removeClass("last")).children("li:last").addClass("last");

								// restored this section
								var tmp_node = $where.parent().children("ul:first").children("li:first");
								if(tmp_node.size()) {
									how = "before";
									where = tmp_node;
								}
							}
							else {
								// restored this section
								var tmp_node = $where.parent().children("ul:first").children(".last");
								if(tmp_node.size()) {
									how = "after";
									where = tmp_node;
								}

								$where.parent().children("ul:first").children(".last").removeClass("last").end().append(what.removeClass("last")).children("li:last").addClass("last");
							}
						}
						else {
							what.addClass("last");
							$where.parent().removeClass("leaf").append("<ul/>");
							if(!$where.parent().hasClass("open")) $where.parent().addClass("closed");
							$where.parent().children("ul:first").prepend(what);
						}
						if($where.parent().hasClass("closed")) { this.open_branch($where); }
						break;
					default:
						break;
				}
				// CLEANUP OLD PARENT
				if($parent.find("li").size() == 0) {
					var $li = $parent.parent();
					$li.removeClass("open").removeClass("closed").addClass("leaf");
					if(!$li.is(".tree")) $li.children("ul").remove();
					$li.parents("ul:eq(0)").children("li.last").removeClass("last").end().children("li:last").addClass("last");
				}
				else {
					$parent.children("li.last").removeClass("last");
					$parent.children("li:last").addClass("last");
				}

				// NO LONGER CORRECT WITH position PARAM - if(is_new && how != "inside") where = this.get_node(where).parents("li:eq(0)");
				if(is_copy)		this.callback("oncopy", [this.get_node(what).get(0), this.get_node(where).get(0), how, this, rb]);
				else if(is_new)	this.callback("oncreate", [this.get_node(what).get(0), ($where.is("ul") ? -1 : this.get_node(where).get(0) ), how, this, rb]);
				else			this.callback("onmove", [this.get_node(what).get(0), this.get_node(where).get(0), how, this, rb]);
				return what;
			},
			error : function (code) {
				this.callback("error",[code,this]);
				return false;
			},
			lock : function (state) {
				this.locked = state;
				if(this.locked)	this.container.children("ul:eq(0)").addClass("locked");
				else			this.container.children("ul:eq(0)").removeClass("locked");
			},
			cut : function (obj) {
				if(this.locked) return this.error("LOCKED");
				obj = obj ? this.get_node(obj) : this.container.find("a.clicked").filter(":first-child").parent();
				if(!obj || !obj.size()) return this.error("CUT: NO NODE SELECTED");
				tree_component.cut_copy.copy_nodes = false;
				tree_component.cut_copy.cut_nodes = obj;
			},
			copy : function (obj) {
				if(this.locked) return this.error("LOCKED");
				obj = obj ? this.get_node(obj) : this.container.find("a.clicked").filter(":first-child").parent();
				if(!obj || !obj.size()) return this.error("COPY: NO NODE SELECTED");
				tree_component.cut_copy.copy_nodes = obj;
				tree_component.cut_copy.cut_nodes = false;
			},
			paste : function (obj, position) {
				if(this.locked) return this.error("LOCKED");

				var root = false;
				if(obj == -1) { root = true; obj = this.container; }
				else obj = obj ? this.get_node(obj) : this.selected;

				if(!root && (!obj || !obj.size())) return this.error("PASTE: NO NODE SELECTED");
				if(!tree_component.cut_copy.copy_nodes && !tree_component.cut_copy.cut_nodes) return this.error("PASTE: NOTHING TO DO");

				var _this = this;

				var pos = position;

				if(position == "before") {
					position = obj.parent().children().index(obj);
					obj = obj.parents("li:eq(0)");
				}
				else if(position == "after") {
					position = obj.parent().children().index(obj) + 1;
					obj = obj.parents("li:eq(0)");
				}
				else if((typeof position).toLowerCase() == "undefined" || position == "inside") {
					position = (this.settings.rules.createat == "top") ? 0 : obj.children("ul:eq(0)").children("li").size();
				}
				if(!root && obj.size() == 0) { root = true; obj = this.container; }

				if(tree_component.cut_copy.copy_nodes && tree_component.cut_copy.copy_nodes.size()) {
					var ok = true;
					if(!root && !this.check_move(tree_component.cut_copy.copy_nodes, obj.children("a:eq(0)"), "inside")) return false;

					if(obj.children("ul").size() == 0 || (root == true && obj.children("ul").children("li").size() == 0) ) {
						if(!root)	var a = this.moved(tree_component.cut_copy.copy_nodes,obj.children("a:eq(0)"),"inside", false, true);
						else		var a = this.moved(tree_component.cut_copy.copy_nodes,this.container.children("ul:eq(0)"),"inside", false, true);
					}
					else if(pos == "before" && obj.children("ul:eq(0)").children("li:nth-child(" + (position + 1) + ")").size())
						var a = this.moved(tree_component.cut_copy.copy_nodes,obj.children("ul:eq(0)").children("li:nth-child(" + (position + 1) + ")").children("a:eq(0)"),"before", false, true);
					else if(pos == "after" && obj.children("ul:eq(0)").children("li:nth-child(" + (position) + ")").size())
						var a = this.moved(tree_component.cut_copy.copy_nodes,obj.children("ul:eq(0)").children("li:nth-child(" + (position) + ")").children("a:eq(0)"),"after", false, true);
					else if(obj.children("ul:eq(0)").children("li:nth-child(" + (position + 1) + ")").size())
						var a = this.moved(tree_component.cut_copy.copy_nodes,obj.children("ul:eq(0)").children("li:nth-child(" + (position + 1) + ")").children("a:eq(0)"),"before", false, true);
					else
						var a = this.moved(tree_component.cut_copy.copy_nodes,obj.children("ul:eq(0)").children("li:last").children("a:eq(0)"),"after", false, true);
					tree_component.cut_copy.copy_nodes = false;
				}
				if(tree_component.cut_copy.cut_nodes && tree_component.cut_copy.cut_nodes.size()) {
					var ok = true;
					obj.parents().andSelf().each(function () {
						if(tree_component.cut_copy.cut_nodes.index(this) != -1) {
							ok = false;
							return false;
						}
					});
					if(!ok) return this.error("Invalid paste");
					if(!root && !this.check_move(tree_component.cut_copy.cut_nodes, obj.children("a:eq(0)"), "inside")) return false;

					if(obj.children("ul").size() == 0 || (root == true && obj.children("ul").children("li").size() == 0) ) {
						if(!root)	var a = this.moved(tree_component.cut_copy.cut_nodes,obj.children("a:eq(0)"),"inside");
						else		var a = this.moved(tree_component.cut_copy.cut_nodes,this.container.children("ul:eq(0)"),"inside");
					}
					else if(pos == "before" && obj.children("ul:eq(0)").children("li:nth-child(" + (position + 1) + ")").size())
						var a = this.moved(tree_component.cut_copy.cut_nodes,obj.children("ul:eq(0)").children("li:nth-child(" + (position + 1) + ")").children("a:eq(0)"),"before");
					else if(pos == "after" && obj.children("ul:eq(0)").children("li:nth-child(" + (position) + ")").size())
						var a = this.moved(tree_component.cut_copy.cut_nodes,obj.children("ul:eq(0)").children("li:nth-child(" + (position) + ")").children("a:eq(0)"),"after");
					else if(obj.children("ul:eq(0)").children("li:nth-child(" + (position + 1) + ")").size())
						var a = this.moved(tree_component.cut_copy.cut_nodes,obj.children("ul:eq(0)").children("li:nth-child(" + (position + 1) + ")").children("a:eq(0)"),"before");
					else
						var a = this.moved(tree_component.cut_copy.cut_nodes,obj.children("ul:eq(0)").children("li:last").children("a:eq(0)"),"after");
					tree_component.cut_copy.cut_nodes = false;
				}
			},
			search : function(str, func) {
				var _this = this;
				if(!str || (this.srch && str != this.srch) ) {
					this.srch = "";
					this.srch_opn = false;
					this.container.find("a.search").removeClass("search");
				}
				this.srch = str;
				if(!str) return;

				if(!func) func = "contains";
				if(this.settings.data.async) {
					if(!this.srch_opn) {
						var dd = $.extend( { "search" : str } , this.callback("beforedata", [false, this] ) );
						$.ajax({
							type		: this.settings.data.opts.method,
							url			: this.settings.data.opts.url, 
							data		: dd, 
							dataType	: "text",
							success		: function (data) {
								_this.srch_opn = $.unique(data.split(","));
								_this.search.apply(_this,[str, func]);
							} 
						});
					}
					else if(this.srch_opn.length) {
						if(this.srch_opn && this.srch_opn.length) {
							var opn = false;
							for(var j = 0; j < this.srch_opn.length; j++) {
								if(this.get_node("#" + this.srch_opn[j]).size() > 0) {
									opn = true;
									var tmp = "#" + this.srch_opn[j];
									delete this.srch_opn[j];
									this.open_branch(tmp, true, function () { _this.search.apply(_this,[str, func]); } );
								}
							}
							if(!opn) {
								this.srch_opn = [];
								 _this.search.apply(_this,[str, func]);
							}
						}
					}
					else {
						this.srch_opn = false;
						var selector = "a";
						// IF LANGUAGE VERSIONS
						if(this.settings.languages.length) selector += "." + this.current_lang;
						this.callback("onsearch", [this.container.find(selector + ":" + func + "('" + str + "')"), this]);
					}
				}
				else {
					var selector = "a";
					// IF LANGUAGE VERSIONS
					if(this.settings.languages.length) selector += "." + this.current_lang;
					var nn = this.container.find(selector + ":" + func + "('" + str + "')");
					nn.parents("li.closed").each( function () { _this.open_branch(this, true); });
					this.callback("onsearch", [nn, this]);
				}
			},
			add_sheet : tree_component.add_sheet,

			destroy : function() {
				this.callback("ondestroy", [this]);

				this.container.unbind(".jstree");
				$("#" + this.container.attr("id")).die("click.jstree").die("dblclick.jstree").die("mouseover.jstree").die("mouseout.jstree").die("mousedown.jstree");
				this.container.removeClass("tree ui-widget ui-widget-content tree-default tree-" + this.settings.ui.theme_name).children("ul").removeClass("no_dots ltr locked").find("li").removeClass("leaf").removeClass("open").removeClass("closed").removeClass("last").children("a").removeClass("clicked hover search");

				if(this.cntr == tree_component.focused) {
					for(var i in tree_component.inst) {
						if(i != this.cntr && i != this.container.attr("id")) {
							tree_component.inst[i].focus();
							break;
						}
					}
				}

				tree_component.inst[this.cntr] = false;
				tree_component.inst[this.container.attr("id")] = false;
				delete tree_component.inst[this.cntr];
				delete tree_component.inst[this.container.attr("id")];
				tree_component.cntr --;
			}
		}
	};

	// instance manager
	tree_component.cntr = 0;
	tree_component.inst = {};

	// themes
	tree_component.themes = [];

	// drag'n'drop stuff
	tree_component.drag_drop = {
		isdown		: false,	// Is there a drag
		drag_node	: false,	// The actual node
		drag_help	: false,	// The helper
		dragged		: false,

		init_x		: false,
		init_y		: false,
		moving		: false,

		origin_tree	: false,
		marker		: false,

		move_type	: false,	// before, after or inside
		ref_node	: false,	// reference node
		appended	: false,	// is helper appended

		foreign		: false,	// Is the dragged node a foreign one
		droppable	: [],		// Array of classes that can be dropped onto the tree

		open_time	: false,	// Timeout for opening nodes
		scroll_time	: false		// Timeout for scrolling
	};
	tree_component.mouseup = function(event) {
		var tmp = tree_component.drag_drop;
		if(tmp.open_time)	clearTimeout(tmp.open_time);
		if(tmp.scroll_time)	clearTimeout(tmp.scroll_time);

		if(tmp.moving && $.tree.drag_end !== false) $.tree.drag_end.call(null, event, tmp);

		if(tmp.foreign === false && tmp.drag_node && tmp.drag_node.size()) {
			tmp.drag_help.remove();
			if(tmp.move_type) {
				var tree1 = tree_component.inst[tmp.ref_node.parents(".tree:eq(0)").attr("id")];
				if(tree1) tree1.moved(tmp.dragged, tmp.ref_node, tmp.move_type, false, (tmp.origin_tree.settings.rules.drag_copy == "on" || (tmp.origin_tree.settings.rules.drag_copy == "ctrl" && event.ctrlKey) ) );
			}
			tmp.move_type	= false;
			tmp.ref_node	= false;
		}
		if(tmp.foreign !== false) {
			if(tmp.drag_help) tmp.drag_help.remove();
			if(tmp.move_type) {
				var tree1 = tree_component.inst[tmp.ref_node.parents(".tree:eq(0)").attr("id")];
				if(tree1) tree1.callback("ondrop",[tmp.f_data, tree1.get_node(tmp.ref_node).get(0), tmp.move_type, tree1]);
			}
			tmp.foreign		= false;
			tmp.move_type	= false;
			tmp.ref_node	= false;
		}
		// RESET EVERYTHING
		if(tree_component.drag_drop.marker) tree_component.drag_drop.marker.hide();
		if(tmp.dragged && tmp.dragged.size()) tmp.dragged.removeClass("dragged");
		tmp.dragged		= false;
		tmp.drag_help	= false;
		tmp.drag_node	= false;
		tmp.f_type		= false;
		tmp.f_data		= false;
		tmp.init_x		= false;
		tmp.init_y		= false;
		tmp.moving		= false;
		tmp.appended	= false;
		tmp.origin_tree	= false;
		if(tmp.isdown) {
			tmp.isdown = false;
			event.preventDefault(); 
			event.stopPropagation();
			return false;
		}
	};
	tree_component.mousemove = function(event) {
		var tmp = tree_component.drag_drop;
		var is_start = false;

		if(tmp.isdown) {
			if(!tmp.moving && Math.abs(tmp.init_x - event.pageX) < 5 && Math.abs(tmp.init_y - event.pageY) < 5) {
				event.preventDefault();
				event.stopPropagation();
				return false;
			}
			else {
				if(!tmp.moving) {
					tree_component.drag_drop.moving = true;
					is_start = true;
				}
			}

			if(tmp.open_time) clearTimeout(tmp.open_time);

			if(tmp.drag_help !== false) {
				if(!tmp.appended) {
					if(tmp.foreign !== false) tmp.origin_tree = $.tree.focused();
					$("body").append(tmp.drag_help);
					tmp.w = tmp.drag_help.width();
					tmp.appended = true;
				}
				tmp.drag_help.css({ "left" : (event.pageX + 5 ), "top" : (event.pageY + 15) });
			}

			if(is_start && $.tree.drag_start !== false) $.tree.drag_start.call(null, event, tmp);
			if($.tree.drag !== false) $.tree.drag.call(null, event, tmp);

			if(event.target.tagName == "DIV" && event.target.id == "jstree-marker") return false;

			var et = $(event.target);
			if(et.is("ins")) et = et.parent();
			var cnt = et.is(".tree") ? et : et.parents(".tree:eq(0)");

			// if not moving over a tree
			if(cnt.size() == 0 || !tree_component.inst[cnt.attr("id")]) {
				if(tmp.scroll_time) clearTimeout(tmp.scroll_time);
				if(tmp.drag_help !== false) tmp.drag_help.find("li:eq(0) ins").addClass("forbidden");
				tmp.move_type	= false;
				tmp.ref_node	= false;
				tree_component.drag_drop.marker.hide();
				return false;
			}

			var tree2 = tree_component.inst[cnt.attr("id")];
			tree2.off_height();

			if(tmp.scroll_time) clearTimeout(tmp.scroll_time);
			tmp.scroll_time = setTimeout( function() { tree2.scroll_check(event.pageX,event.pageY); }, 50);

			var mov = false;
			var st = cnt.scrollTop();

			if(event.target.tagName == "A" || event.target.tagName == "INS") {
				// just in case if hover is over the draggable
				if(et.is("#jstree-dragged")) return false;
				if(tree2.get_node(event.target).hasClass("closed")) {
					tmp.open_time = setTimeout( function () { tree2.open_branch(et); }, 500);
				}

				var et_off = et.offset();
				var goTo = { 
					x : (et_off.left - 1),
					y : (event.pageY - et_off.top)
				};

				var arr = [];
				if(goTo.y < tree2.li_height/3 + 1 )			arr = ["before","inside","after"];
				else if(goTo.y > tree2.li_height*2/3 - 1 )	arr = ["after","inside","before"];
				else {
					if(goTo.y < tree2.li_height/2)			arr = ["inside","before","after"];
					else									arr = ["inside","after","before"];
				}
				var ok = false;
				var nn = (tmp.foreign == false) ? tmp.origin_tree.container.find("li.dragged") : tmp.f_type;
				$.each(arr, function(i, val) {
					if(tree2.check_move(nn, et, val)) {
						mov = val;
						ok = true;
						return false;
					}
				});
				if(ok) {
					switch(mov) {
						case "before":
							goTo.y = et_off.top - 2;
							tree_component.drag_drop.marker.attr("class","marker");
							break;
						case "after":
							goTo.y = et_off.top - 2 + tree2.li_height;
							tree_component.drag_drop.marker.attr("class","marker");
							break;
						case "inside":
							goTo.x -= 2;
							goTo.y = et_off.top - 2 + tree2.li_height/2;
							tree_component.drag_drop.marker.attr("class","marker_plus"); 
							break;
					}
					tmp.move_type	= mov;
					tmp.ref_node	= $(event.target);
					if(tmp.drag_help !== false) tmp.drag_help.find(".forbidden").removeClass("forbidden");
					tree_component.drag_drop.marker.css({ "left" : goTo.x , "top" : goTo.y }).show();
				}
			}

			if( (et.is(".tree") || et.is("ul") ) && et.find("li:eq(0)").size() == 0) {
				var et_off = et.offset();
				tmp.move_type	= "inside";
				tmp.ref_node	= cnt.children("ul:eq(0)");
				if(tmp.drag_help !== false) tmp.drag_help.find(".forbidden").removeClass("forbidden");
				tree_component.drag_drop.marker.attr("class","marker_plus");
				tree_component.drag_drop.marker.css({ "left" : (et_off.left + 10) , "top" : et_off.top + 15 }).show();
			}
			else if( (event.target.tagName != "A" && event.target.tagName != "INS") || !ok) {
				if(tmp.drag_help !== false) tmp.drag_help.find("li:eq(0) ins").addClass("forbidden");
				tmp.move_type	= false;
				tmp.ref_node	= false;
				tree_component.drag_drop.marker.hide();
			}
			event.preventDefault();
			event.stopPropagation();
			return false;
		}
		return true;
	};
	$(function () { 
		$(document).bind("mousemove.jstree",	tree_component.mousemove); 
		$(document).bind("mouseup.jstree",		tree_component.mouseup); 
	});

	// cut, copy, paste stuff
	tree_component.cut_copy = { 
		copy_nodes : false,
		cut_nodes : false
	};

	// css stuff
	tree_component.css = false;
	tree_component.get_css = function(rule_name, delete_flag) {
		rule_name = rule_name.toLowerCase();
		var css_rules = tree_component.css.cssRules || tree_component.css.rules;
		var j = 0;
		do {
			if(css_rules.length && j > css_rules.length + 5) return false;
			if(css_rules[j].selectorText && css_rules[j].selectorText.toLowerCase() == rule_name) {
				if(delete_flag == true) {
					if(tree_component.css.removeRule) document.styleSheets[i].removeRule(j);
					if(tree_component.css.deleteRule) document.styleSheets[i].deleteRule(j);
					return true;
				}
				else return css_rules[j];
			}
		}
		while (css_rules[++j]);
		return false;
	};
	tree_component.add_css = function(rule_name) {
		if(tree_component.get_css(rule_name)) return false;
		(tree_component.css.insertRule) ? tree_component.css.insertRule(rule_name + ' { }', 0) : tree_component.css.addRule(rule_name, null, 0);
		return tree_component.get_css(rule_name);
	};
	tree_component.remove_css = function(rule_name) { 
		return tree_component.get_css(rule_name, true); 
	};
	tree_component.add_sheet = function(opts) {
		if(opts.str) {
			var tmp = document.createElement("style");
			tmp.setAttribute('type',"text/css");
			if(tmp.styleSheet) {
				document.getElementsByTagName("head")[0].appendChild(tmp);
				tmp.styleSheet.cssText = opts.str;
			}
			else {
				tmp.appendChild(document.createTextNode(opts.str));
				document.getElementsByTagName("head")[0].appendChild(tmp);
			}
			return tmp.sheet || tmp.styleSheet;
		}
		if(opts.url) {
			if(document.createStyleSheet) {
				try { document.createStyleSheet(opts.url); } catch (e) { };
			}
			else {
				var newSS	= document.createElement('link');
				newSS.rel	= 'stylesheet';
				newSS.type	= 'text/css';
				newSS.media	= "all";
				newSS.href	= opts.url;
				// var styles	= "@import url(' " + url + " ');";
				// newSS.href	='data:text/css,'+escape(styles);
				document.getElementsByTagName("head")[0].appendChild(newSS);
				return newSS.styleSheet;
			}
		}
	};
	$(function () {
		var u = navigator.userAgent.toLowerCase();
		var v = (u.match( /.+(?:rv|it|ra|ie)[\/: ]([\d.]+)/ ) || [0,'0'])[1];

		var css = '/* TREE LAYOUT */ .tree ul { margin:0 0 0 5px; padding:0 0 0 0; list-style-type:none; } .tree li { display:block; min-height:18px; line-height:18px; padding:0 0 0 15px; margin:0 0 0 0; /* Background fix */ clear:both; } .tree li ul { display:none; } .tree li a, .tree li span { display:inline-block;line-height:16px;height:16px;color:black;white-space:nowrap;text-decoration:none;padding:1px 4px 1px 4px;margin:0; } .tree li a:focus { outline: none; } .tree li a input, .tree li span input { margin:0;padding:0 0;display:inline-block;height:12px !important;border:1px solid white;background:white;font-size:10px;font-family:Verdana; } .tree li a input:not([class="xxx"]), .tree li span input:not([class="xxx"]) { padding:1px 0; } /* FOR DOTS */ .tree .ltr li.last { float:left; } .tree > ul li.last { overflow:visible; } /* OPEN OR CLOSE */ .tree li.open ul { display:block; } .tree li.closed ul { display:none !important; } /* FOR DRAGGING */ #jstree-dragged { position:absolute; top:-10px; left:-10px; margin:0; padding:0; } #jstree-dragged ul ul ul { display:none; } #jstree-marker { padding:0; margin:0; line-height:5px; font-size:1px; overflow:hidden; height:5px; position:absolute; left:-45px; top:-30px; z-index:1000; background-color:transparent; background-repeat:no-repeat; display:none; } #jstree-marker.marker { width:45px; background-position:-32px top; } #jstree-marker.marker_plus { width:5px; background-position:right top; } /* BACKGROUND DOTS */ .tree li li { overflow:hidden; } .tree > .ltr > li { display:table; } /* ICONS */ .tree ul ins { display:inline-block; text-decoration:none; width:16px; height:16px; } .tree .ltr ins { margin:0 4px 0 0px; } ';
		if($.browser.msie) { 
			if($.browser.version == 6) css += '.tree li { height:18px; zoom:1; } .tree li li { overflow:visible; } .tree .ltr li.last { margin-top: expression( (this.previousSibling && /open/.test(this.previousSibling.className) ) ? "-2px" : "0"); } .marker { width:45px; background-position:-32px top; } .marker_plus { width:5px; background-position:right top; }';
			if($.browser.version == 7) css += '.tree li li { overflow:visible; } .tree .ltr li.last { margin-top: expression( (this.previousSibling && /open/.test(this.previousSibling.className) ) ? "-2px" : "0"); }';
		}
		if($.browser.opera) css += '.tree > ul > li.last:after { content:"."; display: block; height:1px; clear:both; visibility:hidden; }';
		if($.browser.mozilla && $.browser.version.indexOf("1.8") == 0) css += '.tree .ltr li a { display:inline; float:left; } .tree li ul { clear:both; }';
		tree_component.css = tree_component.add_sheet({ str : css });
	});
})(jQuery);

// Datastores
// HTML and JSON are included here by default
(function ($) {
	$.extend($.tree.datastores, {
		"html" : function () {
			return {
				get		: function(obj, tree, opts) {
					return obj && $(obj).size() ? $('<div>').append(tree.get_node(obj).clone()).html() : tree.container.children("ul:eq(0)").html();
				},
				parse	: function(data, tree, opts, callback) {
					if(callback) callback.call(null, data);
					return data;
				},
				load	: function(data, tree, opts, callback) {
					if(opts.url) {
						$.ajax({
							'type'		: opts.method,
							'url'		: opts.url, 
							'data'		: data, 
							'dataType'	: "html",
							'success'	: function (d, textStatus) {
								callback.call(null, d);
							},
							'error'		: function (xhttp, textStatus, errorThrown) { 
								callback.call(null, false);
								tree.error(errorThrown + " " + textStatus); 
							}
						});
					}
					else {
						callback.call(null, opts.static || tree.container.children("ul:eq(0)").html());
					}
				}
			};
		},
		"json" : function () {
			return {
				get		: function(obj, tree, opts) { 
					var _this = this;
					if(!obj || $(obj).size() == 0) obj = tree.container.children("ul").children("li");
					else obj = $(obj);

					if(!opts) opts = {};
					if(!opts.outer_attrib) opts.outer_attrib = [ "id", "rel", "class" ];
					if(!opts.inner_attrib) opts.inner_attrib = [ ];

					if(obj.size() > 1) {
						var arr = [];
						obj.each(function () {
							arr.push(_this.get(this, tree, opts));
						});
						return arr;
					}
					if(obj.size() == 0) return [];

					var json = { attributes : {}, data : {} };
					if(obj.hasClass("open")) json.data.state = "open";
					if(obj.hasClass("closed")) json.data.state = "closed";

					for(var i in opts.outer_attrib) {
						if(!opts.outer_attrib.hasOwnProperty(i)) continue;
						var val = (opts.outer_attrib[i] == "class") ? obj.attr(opts.outer_attrib[i]).replace(/(^| )last( |$)/ig," ").replace(/(^| )(leaf|closed|open)( |$)/ig," ") : obj.attr(opts.outer_attrib[i]);
						if(typeof val != "undefined" && val.toString().replace(" ","").length > 0) json.attributes[opts.outer_attrib[i]] = val;
						delete val;
					}
					
					if(tree.settings.languages.length) {
						for(var i in tree.settings.languages) {
							if(!tree.settings.languages.hasOwnProperty(i)) continue;
							var a = obj.children("a." + tree.settings.languages[i]);
							if(opts.force || opts.inner_attrib.length || a.children("ins").get(0).style.backgroundImage.toString().length || a.children("ins").get(0).className.length) {
								json.data[tree.settings.languages[i]] = {};
								json.data[tree.settings.languages[i]].title = tree.get_text(obj,tree.settings.languages[i]);
								if(a.children("ins").get(0).style.className.length) {
									json.data[tree.settings.languages[i]].icon = a.children("ins").get(0).style.className;
								}
								if(a.children("ins").get(0).style.backgroundImage.length) {
									json.data[tree.settings.languages[i]].icon = a.children("ins").get(0).style.backgroundImage.replace("url(","").replace(")","");
								}
								if(opts.inner_attrib.length) {
									json.data[tree.settings.languages[i]].attributes = {};
									for(var j in opts.inner_attrib) {
										if(!opts.inner_attrib.hasOwnProperty(j)) continue;
										var val = a.attr(opts.inner_attrib[j]);
										if(typeof val != "undefined" && val.toString().replace(" ","").length > 0) json.data[tree.settings.languages[i]].attributes[opts.inner_attrib[j]] = val;
										delete val;
									}
								}
							}
							else {
								json.data[tree.settings.languages[i]] = tree.get_text(obj,tree.settings.languages[i]);
							}
						}
					}
					else {
						var a = obj.children("a");
						json.data.title = tree.get_text(obj);

						if(a.children("ins").size() && a.children("ins").get(0).className.length) {
							json.data.icon = a.children("ins").get(0).className;
						}
						if(a.children("ins").size() && a.children("ins").get(0).style.backgroundImage.length) {
							json.data.icon = a.children("ins").get(0).style.backgroundImage.replace("url(","").replace(")","");
						}

						if(opts.inner_attrib.length) {
							json.data.attributes = {};
							for(var j in opts.inner_attrib) {
								if(!opts.inner_attrib.hasOwnProperty(j)) continue;
								var val = a.attr(opts.inner_attrib[j]);
								if(typeof val != "undefined" && val.toString().replace(" ","").length > 0) json.data.attributes[opts.inner_attrib[j]] = val;
								delete val;
							}
						}
					}

					if(obj.children("ul").size() > 0) {
						json.children = [];
						obj.children("ul").children("li").each(function () {
							json.children.push(_this.get(this, tree, opts));
						});
					}
					return json;
				},
				parse	: function(data, tree, opts, callback) { 
					if(Object.prototype.toString.apply(data) === "[object Array]") {
						var str = '';
						for(var i = 0; i < data.length; i ++) {
							if(typeof data[i] == "function") continue;
							str += this.parse(data[i], tree, opts);
						}
						if(callback) callback.call(null, str);
						return str;
					}

					if(!data || !data.data) {
						if(callback) callback.call(null, false);
						return "";
					}

					var str = '';
					str += "<li ";
					var cls = false;
					if(data.attributes) {
						for(var i in data.attributes) {
							if(!data.attributes.hasOwnProperty(i)) continue;
							if(i == "class") {
								str += " class='" + data.attributes[i] + " ";
								if(data.state == "closed" || data.state == "open") str += " " + data.state + " ";
								str += "' ";
								cls = true;
							}
							else str += " " + i + "='" + data.attributes[i] + "' ";
						}
					}
					if(!cls && (data.state == "closed" || data.state == "open")) str += " class='" + data.state + "' ";
					str += ">";

					if(tree.settings.languages.length) {
						for(var i = 0; i < tree.settings.languages.length; i++) {
							var attr = {};
							attr["href"] = "";
							attr["style"] = "";
							attr["class"] = tree.settings.languages[i];
							if(data.data[tree.settings.languages[i]] && (typeof data.data[tree.settings.languages[i]].attributes).toLowerCase() != "undefined") {
								for(var j in data.data[tree.settings.languages[i]].attributes) {
									if(!data.data[tree.settings.languages[i]].attributes.hasOwnProperty(j)) continue;
									if(j == "style" || j == "class")	attr[j] += " " + data.data[tree.settings.languages[i]].attributes[j];
									else								attr[j]  = data.data[tree.settings.languages[i]].attributes[j];
								}
							}
							str += "<a";
							for(var j in attr) {
								if(!attr.hasOwnProperty(j)) continue;
								str += ' ' + j + '="' + attr[j] + '" ';
							}
							str += ">";
							if(data.data[tree.settings.languages[i]] && data.data[tree.settings.languages[i]].icon) {
								str += "<ins " + (data.data[tree.settings.languages[i]].icon.indexOf("/") == -1 ? " class='" + data.data[tree.settings.languages[i]].icon + "' " : " style='background-image:url(\"" + data.data[tree.settings.languages[i]].icon + "\");' " ) + ">&nbsp;</ins>";
							}
							else str += "<ins>&nbsp;</ins>";
							str += ( (typeof data.data[tree.settings.languages[i]].title).toLowerCase() != "undefined" ? data.data[tree.settings.languages[i]].title : data.data[tree.settings.languages[i]] ) + "</a>";
						}
					}
					else {
						var attr = {};
						attr["href"] = "";
						attr["style"] = "";
						attr["class"] = "";
						if((typeof data.data.attributes).toLowerCase() != "undefined") {
							for(var i in data.data.attributes) {
								if(!data.data.attributes.hasOwnProperty(i)) continue;
								if(i == "style" || i == "class")	attr[i] += " " + data.data.attributes[i];
								else								attr[i]  = data.data.attributes[i];
							}
						}
						str += "<a";
						for(var i in attr) {
							if(!attr.hasOwnProperty(i)) continue;
							str += ' ' + i + '="' + attr[i] + '" ';
						}
						str += ">";
						if(data.data.icon) {
							str += "<ins " + (data.data.icon.indexOf("/") == -1 ? " class='" + data.data.icon + "' " : " style='background-image:url(\"" + data.data.icon + "\");' " ) + ">&nbsp;</ins>";
						}
						else str += "<ins>&nbsp;</ins>";
						str += ( (typeof data.data.title).toLowerCase() != "undefined" ? data.data.title : data.data ) + "</a>";
					}
					if(data.children && data.children.length) {
						str += '<ul>';
						for(var i = 0; i < data.children.length; i++) {
							str += this.parse(data.children[i], tree, opts);
						}
						str += '</ul>';
					}
					str += "</li>";
					if(callback) callback.call(null, str);
					return str;
				},
				load	: function(data, tree, opts, callback) {
					if(opts.static) {
						callback.call(null, opts.static);
					} 
					else {
						$.ajax({
							'type'		: opts.method,
							'url'		: opts.url, 
							'data'		: data, 
							'dataType'	: "json",
							'success'	: function (d, textStatus) {
								callback.call(null, d);
							},
							'error'		: function (xhttp, textStatus, errorThrown) { 
								callback.call(null, false);
								tree.error(errorThrown + " " + textStatus); 
							}
						});
					}
				}
			}
		}
	});
})(jQuery);

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About the Authors

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Paul B.

United States United States
I've been a software developer since 1996 and have enjoyed C# since 2003. I have a Bachelor's degree in Computer Science and for some reason, a Master's degree in Business Administration. I currently do software development contracting/consulting.

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Web03 | 2.8.141223.1 | Last Updated 28 Apr 2010
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