/*
$.fn.SimpleTree = function(opt){
	this.each(function(){
		var TREE = this;
		var ROOT = $('li:first',this);
		TREE.option = {
			animate: false,		// this parameter has a value "true/false" (enable/disable animation for expanding/collapsing menu items) 
			autoclose: false,	// this parameter has a value "true/false" (enable/disable collapse of neighbor branches)
			speed: 'fast',		// speed open/close folder
			success: false,		// this parameter defines function, which executes after ajax is loaded (set to "false" by default)
			click: false		// this parameter defines function, which is executed after item clicked (set to "false" by default) 

		};
		TREE.option = $.extend(TREE.option,opt);
		TREE.setAjaxNodes = function(obj)
		{
			var url = $.trim($('>li', obj).text());
			if(url && url.indexOf('url:'))
			{
				url=$.trim(url.replace(/.*\{url:(.*)\}/i ,'$1'));
				$.ajax({
					type: "GET",
					url: url,
					contentType:'html',
					cache:false,
					success: function(response){
						if(response)
						{
							obj.removeAttr('class');
							obj.html(response);
							TREE.setTreeNodes(obj, true);
							if(typeof TREE.option.success == 'function')
							{
								TREE.option.success(obj);
							}
						}else{
							var parent = obj.parent();
							var pClassName = parent.attr('class');
							pClassName = pClassName.replace('folder-open','leaf');
							parent.attr('class', pClassName);
							obj.remove();
							$('.toggler',parent).remove();
						}
					}
				});
			}
		};
		TREE.closeNearby = function(obj)
		{
			$(obj).siblings().filter('.folder-open, .folder-open-last').each(function(){
				var childUl = $('>ul',this);
				var className = this.className;
				className = className.replace('open','close');
				$(this).attr('class',className);
				if(TREE.option.animate)
				{
					childUl.animate({height:"toggle"},TREE.option.speed);
				}else{
					childUl.hide();
				}
			});
		};
		TREE.setEventToggler = function (obj)
		{
			$(obj).prepend('<span class="toggler">&nbsp;</span>');
			$('>.toggler', obj).bind('click', function(){

				var childUl = $('>ul',obj);
				var className = obj.className;
				if(childUl.is(':visible')){
					className = className.replace('open','close');
					$(obj).attr('class',className);
					if(TREE.option.animate)
					{
						childUl.animate({height:"toggle"},TREE.option.speed);
					}else{
						childUl.hide();
					}
				}else{
					className = className.replace('close','open');
					$(obj).attr('class',className);
					if(TREE.option.animate)
					{
						childUl.animate({height:"toggle"},TREE.option.speed, function(){
							if(TREE.option.autoclose)TREE.closeNearby(obj);
							if(childUl.is('.ajax'))TREE.setAjaxNodes(childUl);
						});
					}else{
						childUl.show();
						if(TREE.option.autoclose)TREE.closeNearby(obj);
						if(childUl.is('.ajax'))TREE.setAjaxNodes(childUl);
					}
				}
			});
		};
		TREE.setTreeNodes = function(obj, useParent)
		{
			obj = useParent? obj.parent():obj;
			$('li', obj).each(function(i){
				var className = this.className;
				var open = false;
				var childNode = $('>ul',this);

				if(childNode.size()>0){
					var setClassName = 'folder-';
					if(className && className.indexOf('open')>=0){
						setClassName=setClassName+'open';
						open=true;
					}else{
						setClassName=setClassName+'close';
					}
					this.className = setClassName + ($(this).is(':last-child')? '-last':'');
					TREE.setEventToggler(this);
					if(!open || className.indexOf('ajax')>=0)childNode.hide();

				}else{
					var setClassName = 'leaf';
					this.className = setClassName + ($(this).is(':last-child')? '-last':'');
            	}

	            $('.tree a').unbind('click').bind('click', function (el) {
	                $('.tree a').removeClass('selected');
	                $(this).addClass('selected');
	            });
			});
		};


		TREE.init = function(obj)
		{
			TREE.setTreeNodes(obj);
		};
		TREE.init(ROOT);
	});
}
*/



/*
* jQuery SimpleTree Drag&Drop plugin
* Update on 22th May 2008
* Version 0.3
*
* Licensed under BSD <http://en.wikipedia.org/wiki/BSD_License>
* Copyright (c) 2008, Peter Panov <panov@elcat.kg>, IKEEN Group http://www.ikeen.com
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*     * Redistributions of source code must retain the above copyright
*       notice, this list of conditions and the following disclaimer.
*     * Redistributions in binary form must reproduce the above copyright
*       notice, this list of conditions and the following disclaimer in the
*       documentation and/or other materials provided with the distribution.
*     * Neither the name of the Peter Panov, IKEEN Group nor the
*       names of its contributors may be used to endorse or promote products
*       derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY Peter Panov, IKEEN Group ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL Peter Panov, IKEEN Group BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

/*
* jQuery SimpleTree Drag&Drop plugin
* Update on 22th May 2008
* Version 0.3
*
* Licensed under BSD <http://en.wikipedia.org/wiki/BSD_License>
* Copyright (c) 2008, Peter Panov <panov@elcat.kg>, IKEEN Group http://www.ikeen.com
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*     * Redistributions of source code must retain the above copyright
*       notice, this list of conditions and the following disclaimer.
*     * Redistributions in binary form must reproduce the above copyright
*       notice, this list of conditions and the following disclaimer in the
*       documentation and/or other materials provided with the distribution.
*     * Neither the name of the Peter Panov, IKEEN Group nor the
*       names of its contributors may be used to endorse or promote products
*       derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY Peter Panov, IKEEN Group ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL Peter Panov, IKEEN Group BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/


$.fn.simpleTree = function (opt) {
    return this.each(function () {
        var TREE = this;
        var ROOT = $('.root', this);
        var mousePressed = false;
        var mouseMoved = false;
        var dragMoveType = false;
        var dragNode_destination = false;
        var dragNode_source = false;
        var dragDropTimer = false;
        var ajaxCache = Array();

        TREE.option = {
            drag: true,
            animate: false,
            autoclose: false,
            speed: 'fast',
            afterAjax: false,
            afterMove: false,
            afterClick: false,
            afterDblClick: false,
            // added by Erik Dohmen (2BinBusiness.nl) to make context menu cliks available
            afterContextMenu: false,
            docToFolderConvert: false
        };
        TREE.option = $.extend(TREE.option, opt);
        $.extend(this, { getSelected: function () {
            return $('span.active', this).parent();
        }
        });
        TREE.closeNearby = function (obj) {
            $(obj).siblings().filter('.folder-open, .folder-open-last').each(function () {
                var childUl = $('>ul', this);
                var className = this.className;
                this.className = className.replace('open', 'close');
                if (TREE.option.animate) {
                    childUl.animate({ height: "toggle" }, TREE.option.speed);
                } else {
                    childUl.hide();
                }
            });
        };
        TREE.nodeToggle = function (obj) {
            var childUl = $('>ul', obj);
            if (childUl.is(':visible')) {
                obj.className = obj.className.replace('open', 'close');

                if (TREE.option.animate) {
                    childUl.animate({ height: "toggle" }, TREE.option.speed);
                } else {
                    childUl.hide();
                }
            } else {
                obj.className = obj.className.replace('close', 'open');
                if (TREE.option.animate) {
                    childUl.animate({ height: "toggle" }, TREE.option.speed, function () {
                        if (TREE.option.autoclose) TREE.closeNearby(obj);
                        if (childUl.is('.ajax')) {
                            TREE.setAjaxNodes(childUl, obj.id);
                        }
                    });
                } else {
                    childUl.show();
                    if (TREE.option.autoclose) TREE.closeNearby(obj);
                    if (childUl.is('.ajax')) TREE.setAjaxNodes(childUl, obj.id);
                }
            }
        };
        
        
        TREE.preLoadToggle = function (obj) {
            var childUl = $('>ul', obj);
            if (childUl.is(':visible')) {
                
            } else {
                if (childUl.is('.ajax')) {
                    TREE.setAjaxNodes(childUl, obj.id, new function () {

                    });
                }
            }
        };        
        
        TREE.setAjaxNodes = function (node, parentId, callback) {
    
            if ($.inArray(parentId, ajaxCache) == -1) {
                
                ajaxCache[ajaxCache.length] = parentId;

                var url = $.trim($('>li', node).text());
                if (url && url.indexOf('url:')) {
                    url = $.trim(url.replace(/.*\{url:(.*)\}/i, '$1'));

                    $.ajax({
                        type: "GET",
                        url: url,
                        contentType: 'html',
                        cache: false,
                        success: function (responce) {
                            node.removeAttr('class');
                            node.html(responce);
                            $.extend(node, { url: url });
                            TREE.setTreeNodes(node, true);
                            if (typeof TREE.option.afterAjax == 'function') {
                                TREE.option.afterAjax(node);
                            }
                            if (typeof callback == 'function') {
                                callback(node);
                            }
                        }
                    });
                }
            }
        };
        TREE.setTreeNodes = function (obj, useParent) {
            obj = useParent ? obj.parent() : obj;
            $('li>span', obj).addClass('text')
			.bind('selectstart', function () {
			    return false;
			}).click(function () {
			    $('.active', TREE).attr('class', 'text');
			    $('a.selected', TREE).attr('class', '');
			    $('span.selected', TREE).attr('class', 'text');
			    if (this.className == 'text') {
			        this.className = 'text selected';
			    }			    
			    if (typeof TREE.option.afterClick == 'function') {
			        TREE.option.afterClick($(this).parent());
			    }
			    //return false;
			}).dblclick(function () {
			    mousePressed = false;
			    TREE.nodeToggle($(this).parent().get(0));
			    if (typeof TREE.option.afterDblClick == 'function') {
			        TREE.option.afterDblClick($(this).parent());
			    }
			    return false;
			    // added by Erik Dohmen (2BinBusiness.nl) to make context menu actions
			    // available
			}).bind("contextmenu", function () {
			    $('.active', TREE).attr('class', 'text');
			    if (this.className == 'text') {
			        this.className = 'active';
			    }
			    if (typeof TREE.option.afterContextMenu == 'function') {
			        TREE.option.afterContextMenu($(this).parent());
			    }
			    return false;
			}).mousedown(function (event) {
			    mousePressed = true;
			    cloneNode = $(this).parent().clone();
			    var LI = $(this).parent();
			    if (TREE.option.drag) {
			        $('>ul', cloneNode).hide();
			        $('body').append('<div id="drag_container"><ul></ul></div>');
			        $('#drag_container').hide().css({ opacity: '0.8' });
			        $('#drag_container >ul').append(cloneNode);
			        $("<img>").attr({ id: "tree_plus", src: "/App_Themes/Default/css/gfx/simpleTree/plus.gif" }).css({ width: "7px", display: "block", position: "absolute", left: "5px", top: "5px", display: 'none' }).appendTo("body");
			        $(document).bind("mousemove", { LI: LI }, TREE.dragStart).bind("mouseup", TREE.dragEnd);
			    }
			    return false;
			}).mouseup(function () {
			    if (mousePressed && mouseMoved && dragNode_source) {
			        TREE.moveNodeToFolder($(this).parent());
			    }
			    TREE.eventDestroy();
			});
            $('li', obj).each(function (i) {
                var className = this.className;
                var open = false;
                var cloneNode = false;
                var LI = this;
                var childNode = $('>ul', this);
                if (childNode.size() > 0) {
                    var setClassName = 'folder-';
                    if (className && className.indexOf('open') >= 0) {
                        setClassName = setClassName + 'open';
                        open = true;
                    } else {
                        setClassName = setClassName + 'close';
                    }
                    this.className = setClassName + ($(this).is(':last-child') ? '-last' : '');

                    if (!open || className.indexOf('ajax') >= 0) childNode.hide();

                    TREE.setTrigger(this);
                } else {
                    var setClassName = 'doc';
                    this.className = setClassName + ($(this).is(':last-child') ? '-last' : '');
                }
            });
            TREE.setEventLine($('.line, .line-last', obj));
        };
        TREE.setTrigger = function (node) {
            $('>span', node).before('<img class="trigger" src="/App_Themes/Default/css/gfx/simpleTree/spacer.gif" border=0>');
            var trigger = $('>.trigger', node);
            trigger.click(function (event) {
                TREE.nodeToggle(node);
            });
            
            trigger.bind('pre-load', function (event) {
                TREE.preLoadToggle(node);
            });
            
            if (!$.browser.msie) {
                trigger.css('float', 'left');
            }
        };
        TREE.dragStart = function (event) {

            var LI = $(event.data.LI);
            if (mousePressed) {

                mouseMoved = true;
                if (dragDropTimer) clearTimeout(dragDropTimer);
                if ($('#drag_container:not(:visible)')) {
                    $('#drag_container').show();
                    LI.prev('.line').hide();
                    dragNode_source = LI;
                }
                $('#drag_container').css({ position: 'absolute', "left": (event.pageX + 5), "top": (event.pageY + 15) });
                if (LI.is(':visible')) LI.hide();
                var temp_move = false;
                if (event.target.tagName.toLowerCase() == 'span' && $.inArray(event.target.className, Array('text', 'active', 'trigger')) != -1) {
                    var parent = event.target.parentNode;

                    var offs = $(parent).offset({ scroll: false });
                    var screenScroll = { x: (offs.left - 3), y: event.pageY - offs.top };
                    var isrc = $("#tree_plus").attr('src');
                    var ajaxChildSize = $('>ul.ajax', parent).size();
                    var ajaxChild = $('>ul.ajax', parent);
                    screenScroll.x += 19;
                    screenScroll.y = event.pageY - screenScroll.y + 5;
           
                    if (parent.className.indexOf('folder-close') >= 0 && ajaxChildSize == 0) {
                        if (isrc.indexOf('minus') != -1) $("#tree_plus").attr('src', '/App_Themes/Default/css/gfx/simpleTree/images/plus.gif');
                        $("#tree_plus").css({ "left": screenScroll.x, "top": screenScroll.y }).show();
                        dragDropTimer = setTimeout(function () {
                            parent.className = parent.className.replace('close', 'open');
                            $('>ul', parent).show();
                        }, 700);
                    } else if (parent.className.indexOf('folder') >= 0 && ajaxChildSize == 0) {
                        if (isrc.indexOf('minus') != -1) $("#tree_plus").attr('src', 'images/plus.gif');
                        $("#tree_plus").css({ "left": screenScroll.x, "top": screenScroll.y }).show();
                    } else if (parent.className.indexOf('folder-close') >= 0 && ajaxChildSize > 0) {
                        mouseMoved = false;
                        $("#tree_plus").attr('src', '/App_Themes/Default/css/gfx/simpleTree/images/minus.gif');
                        $("#tree_plus").css({ "left": screenScroll.x, "top": screenScroll.y }).show();

                        $('>ul', parent).show();
                        /*
                        Thanks for the idea of Erik Dohmen
                        */
                        TREE.setAjaxNodes(ajaxChild, parent.id, function () {
                            parent.className = parent.className.replace('close', 'open');
                            mouseMoved = true;
                            $("#tree_plus").attr('src', '/App_Themes/Default/css/gfx/simpleTree/images/plus.gif');
                            $("#tree_plus").css({ "left": screenScroll.x, "top": screenScroll.y }).show();
                        });

                    } else {
                        if (TREE.option.docToFolderConvert) {
                            $("#tree_plus").css({ "left": screenScroll.x, "top": screenScroll.y }).show();
                        } else {
                            $("#tree_plus").hide();
                        }
                    }
                } else {
                    $("#tree_plus").hide();
                }
                return false;
            }
            return true;
        };
        TREE.dragEnd = function () {
            if (dragDropTimer) clearTimeout(dragDropTimer);
            TREE.eventDestroy();
        };
        TREE.setEventLine = function (obj) {
            obj.mouseover(function () {
                if (this.className.indexOf('over') < 0 && mousePressed && mouseMoved) {
                    this.className = this.className.replace('line', 'line-over');
                }
            }).mouseout(function () {
                if (this.className.indexOf('over') >= 0) {
                    this.className = this.className.replace('-over', '');
                }
            }).mouseup(function () {
                if (mousePressed && dragNode_source && mouseMoved) {
                    dragNode_destination = $(this).parents('li:first');
                    TREE.moveNodeToLine(this);
                    TREE.eventDestroy();
                }
            });
        };
        TREE.checkNodeIsLast = function (node) {
            if (node.className.indexOf('last') >= 0) {
                var prev_source = dragNode_source.prev().prev();
                if (prev_source.size() > 0) {
                    prev_source[0].className += '-last';
                }
                node.className = node.className.replace('-last', '');
            }
        };
        TREE.checkLineIsLast = function (line) {
            if (line.className.indexOf('last') >= 0) {
                var prev = $(line).prev();
                if (prev.size() > 0) {
                    prev[0].className = prev[0].className.replace('-last', '');
                }
                dragNode_source[0].className += '-last';
            }
        };
        TREE.eventDestroy = function () {
            // added by Erik Dohmen (2BinBusiness.nl), the unbind mousemove TREE.dragStart action
            // like this other mousemove actions binded through other actions ain't removed (use it myself
            // to determine location for context menu)
            $(document).unbind('mousemove', TREE.dragStart).unbind('mouseup').unbind('mousedown');
            $('#drag_container, #tree_plus').remove();
            if (dragNode_source) {
                $(dragNode_source).show().prev('.line').show();
            }
            dragNode_destination = dragNode_source = mousePressed = mouseMoved = false;
            //ajaxCache = Array();
        };
        TREE.convertToFolder = function (node) {
            node[0].className = node[0].className.replace('doc', 'folder-open');
            node.append('<ul><li class="line-last"></li></ul>');
            TREE.setTrigger(node[0]);
            TREE.setEventLine($('.line, .line-last', node));
        };
        TREE.convertToDoc = function (node) {
            $('>ul', node).remove();
            $('img', node).remove();
            node[0].className = node[0].className.replace(/folder-(open|close)/gi, 'doc');
        };
        TREE.moveNodeToFolder = function (node) {
            if (!TREE.option.docToFolderConvert && node[0].className.indexOf('doc') != -1) {
                return true;
            } else if (TREE.option.docToFolderConvert && node[0].className.indexOf('doc') != -1) {
                TREE.convertToFolder(node);
            }
            TREE.checkNodeIsLast(dragNode_source[0]);
            var lastLine = $('>ul >.line-last', node);
            if (lastLine.size() > 0) {
                TREE.moveNodeToLine(lastLine[0]);
            }
        };
        TREE.moveNodeToLine = function (node) {
            TREE.checkNodeIsLast(dragNode_source[0]);
            TREE.checkLineIsLast(node);
            var parent = $(dragNode_source).parents('li:first');
            var line = $(dragNode_source).prev('.line');
            $(node).before(dragNode_source);
            $(dragNode_source).before(line);
            node.className = node.className.replace('-over', '');
            var nodeSize = $('>ul >li', parent).not('.line, .line-last').filter(':visible').size();
            if (TREE.option.docToFolderConvert && nodeSize == 0) {
                TREE.convertToDoc(parent);
            } else if (nodeSize == 0) {
                parent[0].className = parent[0].className.replace('open', 'close');
                $('>ul', parent).hide();
            }

            // added by Erik Dohmen (2BinBusiness.nl) select node
            if ($('span:first', dragNode_source).attr('class') == 'text') {
                $('.active', TREE).attr('class', 'text');
                $('span:first', dragNode_source).attr('class', 'active');
            }

            if (typeof (TREE.option.afterMove) == 'function') {
                var pos = $(dragNode_source).prevAll(':not(.line)').size();
                TREE.option.afterMove($(node).parents('li:first'), $(dragNode_source), pos);
            }
        };

        TREE.addNode = function (id, text, callback) {
            var temp_node = $('<li><ul><li id="' + id + '"><span>' + text + '</span></li></ul></li>');
            TREE.setTreeNodes(temp_node);
            dragNode_destination = TREE.getSelected();
            dragNode_source = $('.doc-last', temp_node);
            TREE.moveNodeToFolder(dragNode_destination);
            temp_node.remove();
            if (typeof (callback) == 'function') {
                callback(dragNode_destination, dragNode_source);
            }
        };
        TREE.delNode = function (callback) {
            dragNode_source = TREE.getSelected();
            TREE.checkNodeIsLast(dragNode_source[0]);
            dragNode_source.prev().remove();
            dragNode_source.remove();
            if (typeof (callback) == 'function') {
                callback(dragNode_destination);
            }
        };

        TREE.init = function (obj) {
            TREE.setTreeNodes(obj, false);
        };
        TREE.init(ROOT);
    });
}