concord.js

// Copyright 2013, Small Picture, Inc.
$(function () {
	if($.fn.tooltip !== undefined){
		$("a[rel=tooltip]").tooltip({
			live: true
			})
		}
	})
$(function () { 
	if($.fn.popover !== undefined){
		$("a[rel=popover]").on("mouseenter mouseleave", function(){$(this).popover("toggle")})
		}
	})
if (!Array.prototype.indexOf) {
	Array.prototype.indexOf = function(obj, start) {
		for (var i = (start || 0), j = this.length; i < j; i++) {
			if (this[i] === obj) { return i; }
			}
		return -1;
		}
	}
var concord = {
	version: "2.48",
	mobile: /Android|webOS|iPhone|iPad|iPod|BlackBerry/i.test(navigator.userAgent),
	ready: false,
	handleEvents: true,
	resumeCallbacks: [],
	onResume: function(cb){
		this.resumeCallbacks.push(cb);
		},
	resumeListening: function(){
		if(!this.handleEvents){
			this.handleEvents=true;
			var r = this.getFocusRoot();
			if(r!=null){
				var c = new ConcordOutline(r.parent());
				if(c.op.inTextMode()){
					c.op.focusCursor();
					c.editor.restoreSelection();
					}else{
						c.pasteBinFocus();
						}
				for(var i in this.resumeCallbacks){
					var cb = this.resumeCallbacks[i];
					cb();
					}
				this.resumeCallbacks=[];
				}
			}
		},
	stopListening: function(){
		if(this.handleEvents){
			this.handleEvents=false;
			var r = this.getFocusRoot();
			if(r!=null){
				var c = new ConcordOutline(r.parent());
				if(c.op.inTextMode()){
					c.editor.saveSelection();
					}
				}
			}
		},
	focusRoot: null,
	getFocusRoot: function(){
		if($(".concord-root:visible").length==1){
			return this.setFocusRoot($(".concord-root:visible:first"));
			}
		if($(".modal").is(":visible")){
			if($(".modal").find(".concord-root:visible:first").length==1){
				return this.setFocusRoot($(".modal").find(".concord-root:visible:first"));
				}
			}
		if(this.focusRoot==null){
			if($(".concord-root:visible").length>0){
				return this.setFocusRoot($(".concord-root:visible:first"));
				}else{
					return null;
					}
			}
		if(!this.focusRoot.is(":visible")){
			return this.setFocusRoot($(".concord-root:visible:first"));
			}
		return this.focusRoot;
		},
	setFocusRoot: function(root){
		var origRoot = this.focusRoot;
		var concordInstance = new ConcordOutline(root.parent());
		if((origRoot!=null) && !(origRoot[0]===root[0])){
			var origConcordInstance = new ConcordOutline(origRoot.parent());
			origConcordInstance.editor.hideContextMenu();
			origConcordInstance.editor.dragModeExit();
			if(concordInstance.op.inTextMode()){
				concordInstance.op.focusCursor();
				}
			else {
				concordInstance.pasteBinFocus();
				}
			}
		this.focusRoot = root;
		return this.focusRoot;
		},
	updateFocusRootEvent: function(event){
		var root = $(event.target).parents(".concord-root:first");
		if(root.length==1){
			concord.setFocusRoot(root);
			}
		}
	};
var concordEnvironment = {
	"version" : concord.version
	};
var concordClipboard = undefined;
jQuery.fn.reverse = [].reverse;
//Constants
	var nil = null;
	var infinity = Number.MAX_VALUE;
	var down = "down";
	var left = "left";
	var right = "right";
	var up = "up";
	var flatup = "flatup";
	var flatdown = "flatdown";
	var nodirection = "nodirection";
var XML_CHAR_MAP = {
	'<': '&lt;',
	'>': '&gt;',
	'&': '&amp;',
	'"': '&'+'quot;'
	};
var ConcordUtil = {
	escapeXml: function(s) {
		s = s.toString();
		s = s.replace(/\u00A0/g, " ");
		var escaped = s.replace(/[<>&"]/g, function(ch) {
			return XML_CHAR_MAP[ch];
			});
		return escaped;
		}
	};
function ConcordOutline(container, options) {
	this.container = container;
	this.options = options;
	this.id = null;
	this.root = null;
	this.editor = null;
	this.op = null;
	this.script = null;
	this.pasteBin = null;
	this.pasteBinFocus = function(){
		if(!concord.ready){
			return;
			}
		if(concord.mobile){
			return;
			}
		if(this.root.is(":visible")){
			var node = this.op.getCursor();
			var nodeOffset = node.offset();
			this.pasteBin.offset(nodeOffset);
			this.pasteBin.css("z-index","1000");
			if((this.pasteBin.text()=="")||(this.pasteBin.text()=="\n")){
				this.pasteBin.text("...");
				}
			this.op.focusCursor();
			this.pasteBin.focus();
			if(this.pasteBin[0] === document.activeElement){
				document.execCommand("selectAll");
				}
			}
		};
	this.callbacks = function(callbacks) {
		if(callbacks) {
			this.root.data("callbacks", callbacks);
			return callbacks;
		} else {
			if(this.root.data("callbacks")) {
				return this.root.data("callbacks");
				} else {
					return {};
					}
			}
		};
	this.fireCallback = function(name, value) {
		var cb = this.callbacks()[name]
		if(cb) {
			cb(value);
			}
		};
	this.prefs = function(newprefs) {
		var prefs = this.root.data("prefs");
		if(prefs == undefined){
			prefs = {};
			}
		if(newprefs) {
			for(var key in newprefs){
				prefs[key] = newprefs[key];
				}
			this.root.data("prefs", prefs);
			if(prefs.readonly){
				this.root.addClass("readonly");
				}
			if(prefs.renderMode!==undefined){
				this.root.data("renderMode", prefs.renderMode);
				}
			if(prefs.contextMenu){
				$(prefs.contextMenu).hide();
				}
			var style = {};
			if(prefs.outlineFont) {
				style["font-family"] = prefs.outlineFont;
				}
			if(prefs.outlineFontSize) {
				prefs.outlineFontSize = parseInt(prefs.outlineFontSize);
				style["font-size"] = prefs.outlineFontSize + "px";
				style["min-height"] = (prefs.outlineFontSize + 6) + "px";
				style["line-height"] = (prefs.outlineFontSize + 6) + "px";
				}
			if(prefs.outlineLineHeight) {
				prefs.outlineLineHeight = parseInt(prefs.outlineLineHeight);
				style["min-height"] = prefs.outlineLineHeight + "px";
				style["line-height"] = prefs.outlineLineHeight + "px";
				}
			this.root.parent().find("style.prefsStyle").remove();
			var css = '<style type="text/css" class="prefsStyle">\n';
			var cssId="";
			if(this.root.parent().attr("id")){
				cssId="#"+this.root.parent().attr("id");
				}
			css += cssId + ' .concord .concord-node .concord-wrapper .concord-text {';
			for(var attribute in style) {
				css += attribute + ': ' + style[attribute] + ';';
				}
			css += '}\n';
			css += cssId + ' .concord .concord-node .concord-wrapper .node-icon {';
			for(var attribute in style) {
				if(attribute!="font-family"){
					css += attribute + ': ' + style[attribute] + ';';
					}
				}
			css += '}\n'
			var wrapperPaddingLeft = prefs.outlineLineHeight;
			if(wrapperPaddingLeft===undefined){
				wrapperPaddingLeft = prefs.outlineFontSize;
				}
			if(wrapperPaddingLeft!== undefined){
				css += cssId + ' .concord .concord-node .concord-wrapper {';
				css += "padding-left: " + wrapperPaddingLeft + "px";
				css += "}\n";
				css += cssId + ' .concord ol {';
				css += "padding-left: " + wrapperPaddingLeft + "px";
				css += "}\n";
				}
			css += '</style>\n';
			this.root.before(css);
			if(newprefs.css){
				this.op.setStyle(newprefs.css);
				}
			}
		return prefs;
		};
	this.afterInit = function() {
		this.editor = new ConcordEditor(this.root, this);
		this.op = new ConcordOp(this.root, this);
		this.script = new ConcordScript(this.root, this);
		if(options) {
			if(options.prefs) {
				this.prefs(options.prefs);
				}
			if(options.open) {
				this.root.data("open", options.open);
				}
			if(options.save) {
				this.root.data("save", options.save);
				}
			if(options.callbacks) {
				this.callbacks(options.callbacks);
				}
			if(options.id) {
				this.root.data("id", options.id);
				this.open();
				}
			}
		};
	this.init = function() {
		if($(container).find(".concord-root:first").length > 0) {
			this.root = $(container).find(".concord-root:first");
			this.pasteBin = $(container).find(".pasteBin:first");
			this.afterInit();
			return;
			}
		var root = $("<ol></ol>");
		root.addClass("concord concord-root");
		root.appendTo(container);
		this.root = root;
		var pasteBin = $('<div class="pasteBin" contenteditable="true" style="position: absolute; height: 1px; width:1px; outline:none; overflow:hidden;"></div>');
		pasteBin.appendTo(container);
		this.pasteBin = pasteBin;
		this.afterInit();
		this.events = new ConcordEvents(this.root, this.editor, this.op, this);
		};
	this["new"] = function() {
		this.op.wipe();
		};
	this.open = function(cb) {
		var opmlId = this.root.data("id");
		if(!opmlId) {
			return;
			}
		var root = this.root;
		var editor = this.editor;
		var op = this.op;
		var openUrl = "http://concord.smallpicture.com/open";
		if(root.data("open")) {
			openUrl = root.data("open");
			}
		params = {}
		if(opmlId.match(/^http.+$/)) {
			params["url"] = opmlId
			} else {
				params["id"] = opmlId
				}
		$.ajax({
			type: 'POST',
			url: openUrl,
			data: params,
			dataType: "xml",
			success: function(opml) {
				if(opml) {
					op.xmlToOutline(opml);
					if(cb) {
						cb();
						}
					}
				},
			error: function() {
				if(root.find(".concord-node").length == 0) {
					op.wipe();
					}
				}
			});
		};
	this.save = function(cb) {
		var opmlId = this.root.data("id");
		if(opmlId && this.op.changed()) {
			var saveUrl = "http://concord.smallpicture.com/save";
			if(this.root.data("save")) {
				saveUrl = this.root.data("save");
				}
			var concordInstance = this;
			var opml = this.op.outlineToXml();
			$.ajax({
				type: 'POST',
				url: saveUrl,
				data: {
					"opml": opml,
					"id": opmlId
					},
				dataType: "json",
				success: function(json) {
					concordInstance.op.clearChanged();
					if(cb) {
						cb(json);
						}
					}
				});
			}
		};
	this["import"] = function(opmlId, cb) {
		var openUrl = "http://concordold.smallpicture.com/open";
		var root = this.root;
		var concordInstance = this;
		if(root.data("open")) {
			openUrl = root.data("open");
			}
		params = {}
		if(opmlId.match(/^http.+$/)) {
			params["url"] = opmlId;
			} else {
				params["id"] = opmlId;
				}
		$.ajax({
			type: 'POST',
			url: openUrl,
			data: params,
			dataType: "xml",
			success: function(opml) {
				if(opml) {
					var cursor = root.find(".concord-cursor:first");
					$(opml).find("body").children("outline").each(function() {
						var node = concordInstance.editor.build($(this));
						cursor.after(node);
						cursor = node;
						});
					concordInstance.op.markChanged();
					if(cb) {
						cb();
						}
					}
				},
			error: function() {
				}
			});
		};
	this["export"] = function() {
		var context = this.root.find(".concord-cursor:first");
		if(context.length == 0) {
			context = this.root.find(".concord-root:first");
			}
		return this.editor.opml(context);
		};
	this.init();
	}
function ConcordEditor(root, concordInstance) {
	this.makeNode = function(){
		var node = $("<li></li>");
		node.addClass("concord-node");
		var wrapper = $("<div class='concord-wrapper'></div>");
		var iconName="caret-right";
		var icon = "<i"+" class=\"node-icon icon-"+ iconName +"\"><"+"/i>";
		wrapper.append(icon);
		wrapper.addClass("type-icon");
		var text = $("<div class='concord-text' contenteditable='true'></div>");
		var outline = $("<ol></ol>");
		text.appendTo(wrapper);
		wrapper.appendTo(node);
		outline.appendTo(node);
		return node;
		};
	this.dragMode = function() {
		root.data("draggingChange", root.children().clone(true, true));
		root.addClass("dragging");
		root.data("dragging", true);
		};
	this.dragModeExit = function() {
		if(root.data("dragging")) {
			concordInstance.op.markChanged();
			root.data("change", root.data("draggingChange"));
			root.data("changeTextMode", false);
			root.data("changeRange", undefined);
			}
		root.find(".draggable").removeClass("draggable");
		root.find(".drop-sibling").removeClass("drop-sibling");
		root.find(".drop-child").removeClass("drop-child");
		root.removeClass("dragging");
		root.data("dragging", false);
		root.data("mousedown", false);
		};
	this.edit = function(node, empty) {
		var text = node.children(".concord-wrapper:first").children(".concord-text:first");
		if(empty) {
			text.html("");
			}
		text.focus();
		var el = text.get(0);
		if(el && el.childNodes && el.childNodes[0]){
			if (typeof window.getSelection != "undefined" && typeof document.createRange != "undefined") {
				        var range = document.createRange();
				        range.selectNodeContents(el);
				        range.collapse(false);
				        var sel = window.getSelection();
				        sel.removeAllRanges();
				        sel.addRange(range);
				    } else if (typeof document.body.createTextRange != "undefined") {
					var textRange = document.body.createTextRange();
					textRange.moveToElementText(el);
					textRange.collapse(false);
					        textRange.select();
				    }
			}
		text.addClass("editing");
		if(!empty){
			if(root.find(".concord-node.dirty").length>0){
				concordInstance.op.markChanged();
				}
			}
		};
	this.editable = function(target) {
		var editable = false;
		if(!target.hasClass("concord-text")) {
			target = target.parents(".concord-text:first");
			}
		if(target.length == 1) {
			editable = target.hasClass("concord-text") && target.hasClass("editing");
			}
		return editable;
		};
	this.editorMode = function() {
		root.find(".selected").removeClass("selected");
		root.find(".editing").each(function() {
			//$(this).blur();
			$(this).removeClass("editing");
			});
		root.find(".selection-toolbar").remove();
		};
	this.opml = function(_root, flsubsonly) {
		
		if (flsubsonly == undefined) { //8/5/13 by DW
			flsubsonly = false;
			}
		
		if(_root) {
			root = _root;
			}
		var title = root.data("title");
		if(!title) {
			if(root.hasClass("concord-node")) {
				title = root.children(".concord-wrapper:first").children(".concord-text:first").text();
				}
			else {
				title = "";
				}
			}
		var opml = '<?xml version="1.0"?>\n';
		opml += '<opml version="2.0">\n';
		opml += '<head>\n';
		opml += '<title>' + ConcordUtil.escapeXml(title) + '</title>\n';
		opml += '</head>\n';
		opml += '<body>\n';
		if(root.hasClass("concord-cursor")) {
			opml += this.opmlLine(root, 0, flsubsonly);
			} else {
				var editor = this;
				root.children(".concord-node").each(function() {
					opml += editor.opmlLine($(this));
					});
				}
		opml += '</body>\n';
		opml += '</opml>\n';
		return opml;
		};
	this.opmlLine = function(node, indent, flsubsonly) {
		if(indent==undefined){
			indent=0;
			}
		
		if (flsubsonly == undefined) { //8/5/13 by DW
			flsubsonly = false;
			}
		
		var text = this.unescape(node.children(".concord-wrapper:first").children(".concord-text:first").html());
		var textMatches = text.match(/^(.+)<br>\s*$/);
		if(textMatches){
			text = textMatches[1];
			}
		var opml = '';
		for(var i=0; i < indent;i++){
			opml += '\t';
			}
		
		var subheads; 
		if (!flsubsonly) { //8/5/13 by DW
			opml += '<outline text="' + ConcordUtil.escapeXml(text) + '"';
			var attributes = node.data("attributes");
			if(attributes===undefined){
				attributes={};
				}
			for(var name in attributes){
				if((name!==undefined) && (name!="") && (name != "text")) {
					if(attributes[name]!==undefined){
						opml += ' ' + name + '="' + ConcordUtil.escapeXml(attributes[name]) + '"';
						}
					}
				}
			subheads = node.children("ol").children(".concord-node");
			if(subheads.length==0){
				opml+="/>\n";
				return opml;
				}
			opml += ">\n";
			}
		else {
			subheads = node.children("ol").children(".concord-node");
			}
		
		var editor = this;
		indent++;
		subheads.each(function() {
			opml += editor.opmlLine($(this), indent);
			});
		
		if (!flsubsonly) { //8/5/13 by DW
			for(var i=0; i < indent;i++){
				opml += '\t';
				}
			opml += '</outline>\n';
			}
		
		return opml;
		};
	this.textLine = function(node, indent){
		if(!indent){
			indent = 0;
			}
		var text = "";
		for(var i=0; i < indent;i++){
			text += "\t";
			}
		text += this.unescape(node.children(".concord-wrapper:first").children(".concord-text:first").html());
		text += "\n";
		var editor = this;
		node.children("ol").children(".concord-node").each(function() {
			text += editor.textLine($(this), indent+1);
			});
		return text;
		};
	this.select = function(node, multiple, multipleRange) {
		if(multiple == undefined) {
			multiple = false;
			}
		if(multipleRange == undefined) {
			multipleRange = false;
			}
		if(node.length == 1) {
			this.selectionMode(multiple);
			if(multiple){
				node.parents(".concord-node.selected").removeClass("selected");
				node.find(".concord-node.selected").removeClass("selected");
				}
			if(multiple && multipleRange) {
				var prevNodes = node.prevAll(".selected");
				if(prevNodes.length > 0) {
					var stamp = false;
					node.prevAll().reverse().each(function() {
						if($(this).hasClass("selected")) {
							stamp = true;
							} else if(stamp) {
								$(this).addClass("selected");
								}
						});
					} else {
						var nextNodes = node.nextAll(".selected");
						if(nextNodes.length > 0) {
							var stamp = true;
							node.nextAll().each(function() {
								if($(this).hasClass("selected")) {
									stamp = false;
									} else if(stamp) {
										$(this).addClass("selected");
										}
								});
							}
						}
				}
			var text = node.children(".concord-wrapper:first").children(".concord-text:first");
			if(text.hasClass("editing")) {
				text.removeClass("editing");
				}
			//text.blur();
			node.addClass("selected");
			if(text.text().length>0){
				//root.data("currentChange", root.children().clone());
				}
			this.dragModeExit();
			}
		if(root.find(".concord-node.dirty").length>0){
			concordInstance.op.markChanged();
			}
		};
	this.selectionMode = function(multiple) {
		if(multiple == undefined) {
			multiple = false;
			}
		var node = root.find(".concord-cursor");
		if(node.length == 1) {
			var text = node.children(".concord-wrapper:first").children(".concord-text:first");
			if(text.length == 1) {
				//text.blur();
				}
			}
		if(!multiple) {
			root.find(".selected").removeClass("selected");
			}
		root.find(".selection-toolbar").remove();
		};
	this.build = function(outline,collapsed, level) {
		if(!level){
			level = 1;
			}
		var node = $("<li></li>");
		node.addClass("concord-node");
		node.addClass("concord-level-"+level);
		var attributes = {};
		$(outline[0].attributes).each(function() {
			if(this.name != 'text') {
				attributes[this.name] = this.value;
				if(this.name=="type"){
					node.attr("opml-" + this.name, this.value);
					}
				}
			});
		node.data("attributes", attributes);
		var wrapper = $("<div class='concord-wrapper'></div>");
		var nodeIcon = attributes["icon"];
		if(!nodeIcon){
			nodeIcon = attributes["type"];
			}
		var iconName="caret-right";
		if(nodeIcon){
			if((nodeIcon==node.attr("opml-type")) && concordInstance.prefs() && concordInstance.prefs().typeIcons && concordInstance.prefs().typeIcons[nodeIcon]){
				iconName = concordInstance.prefs().typeIcons[nodeIcon];
				}else if (nodeIcon==attributes["icon"]){
					iconName = nodeIcon;
					}
			}
		var icon = "<i"+" class=\"node-icon icon-"+ iconName +"\"><"+"/i>";
		wrapper.append(icon);
		wrapper.addClass("type-icon");
		if(attributes["isComment"]=="true"){
			node.addClass("concord-comment");
			}
		var text = $("<div class='concord-text' contenteditable='true'></div>");
		text.addClass("concord-level-"+level+"-text");
		text.html(this.escape(outline.attr('text')));
		if(attributes["cssTextClass"]!==undefined){
			var cssClasses = attributes["cssTextClass"].split(/\s+/);
			for(var c in cssClasses){
				var newClass = cssClasses[c];
				text.addClass(newClass);
				}
			}
		var children = $("<ol></ol>");
		var editor = this;
		outline.children("outline").each(function() {
			var child = editor.build($(this), collapsed, level+1);
			child.appendTo(children);
			});
		if(collapsed){
			if(outline.children("outline").size()>0){
				node.addClass("collapsed");
				}
			}
		text.appendTo(wrapper);
		wrapper.appendTo(node);
		children.appendTo(node);
		return node;
		};
	this.hideContextMenu = function(){
		if(root.data("dropdown")){
			root.data("dropdown").hide();
			root.data("dropdown").remove();
			root.removeData("dropdown");
			}
		};
	this.showContextMenu = function(x,y){
		if(concordInstance.prefs().contextMenu){
			this.hideContextMenu();
			root.data("dropdown", $(concordInstance.prefs().contextMenu).clone().appendTo(concordInstance.container));
			var editor = this;
			root.data("dropdown").on("click", "a", function(event){
				editor.hideContextMenu();
				});
			root.data("dropdown").css({"position" : "absolute", "top" : y +"px", "left" : x + "px", "cursor" : "default"});
			root.data("dropdown").show();
			}
		};
	this.sanitize = function(){
		var editor = this;
		root.find(".concord-text.paste").each(function(){
			var concordText = $(this);
			if(concordInstance.pasteBin.text()=="..."){
				return;
				}
			var h = concordInstance.pasteBin.html();
			h = h.replace(new RegExp("<(div|p|blockquote|pre|li|br|dd|dt|code|h\\d)[^>]*(/)?>","gi"),"\n");
			h = $("<div/>").html(h).text();
			var clipboardMatch = false;
			if(concordClipboard !== undefined){
				var trimmedClipboardText = concordClipboard.text.replace(/^[\s\r\n]+|[\s\r\n]+$/g,'');
				var trimmedPasteText = h.replace(/^[\s\r\n]+|[\s\r\n]+$/g,'');
				if(trimmedClipboardText==trimmedPasteText){
					var clipboardNodes = concordClipboard.data;
					if(clipboardNodes){
						var collapseNode = function(node){
							node.find("ol").each(function() {
								if($(this).children().length > 0) {
									$(this).parent().addClass("collapsed");
									}
								});
							};
						clipboardNodes.each(function(){
							collapseNode($(this));
							});
						root.data("clipboard", clipboardNodes);
						concordInstance.op.setTextMode(false);
						concordInstance.op.paste();
						clipboardMatch = true;
						}
					}
				}
			if(!clipboardMatch){
				concordClipboard = undefined;
				var numberoflines = 0;
				var lines = h.split("\n");
				for(var i = 0; i < lines.length; i++){
					var line = lines[i];
					if((line!="") && !line.match(/^\s+$/)){
						numberoflines++;
						}
					}
				if(!concordInstance.op.inTextMode() || (numberoflines > 1)){
					concordInstance.op.insertText(h);
					}else{
						concordInstance.op.saveState();
						concordText.focus();
						var range = concordText.parents(".concord-node:first").data("range");
						if(range){
							try{
								var sel = window.getSelection();
								sel.removeAllRanges();
								sel.addRange(range);
								}
							catch(e){
								console.log(e);
								}
							finally {
								concordText.parents(".concord-node:first").removeData("range");
								}
							}
						document.execCommand("insertText",null,h);
						concordInstance.root.removeData("clipboard");
						concordInstance.op.markChanged();
						}
				}
			concordText.removeClass("paste");
			});
		};
	this.escape = function(s){
		var h = $("<div/>").text(s).html();
		h = h.replace(/\u00A0/g, " ");
		if(concordInstance.op.getRenderMode()){ // Render HTML if op.getRenderMode() returns true - 2/17/13 by KS
			var allowedTags = ["b","strong","i","em","a","img","strike","del"];
			for(var tagIndex in allowedTags){
				var tag = allowedTags[tagIndex];
				if (tag == "img"){
					h = h.replace(new RegExp("&lt;"+tag+"((?!&gt;).+)(/)?&gt;","gi"),"<"+tag+"$1"+"/>");
					}
				else if (tag=="a"){
					h = h.replace(new RegExp("&lt;"+tag+"((?!&gt;).*?)&gt;((?!&lt;/"+tag+"&gt;).+?)&lt;/"+tag+"&gt;","gi"),"<"+tag+"$1"+">$2"+"<"+"/"+tag+">");
					}
				else {
					h = h.replace(new RegExp("&lt;"+tag+"&gt;((?!&lt;/"+tag+"&gt;).+?)&lt;/"+tag+"&gt;","gi"),"<"+tag+">$1"+"<"+"/"+tag+">");
					}
				}
			}
		return h;
		};
	this.unescape = function(s){
		var h = s.replace(/</g,"&lt;").replace(/>/g,"&gt;");
		h = $("<div/>").html(h).text();
		return h;
		};
	this.getSelection = function(){
		var range = undefined;
		if(window.getSelection){
			sel = window.getSelection();
			if(sel.getRangeAt && sel.rangeCount){
				range = sel.getRangeAt(0);
				if($(range.startContainer).parents(".concord-node:first").length==0){
					range = undefined;
					}
				}
			}
		return range;
		};
	this.saveSelection = function(){
		var range = this.getSelection();
		if(range !== undefined){
			concordInstance.op.getCursor().data("range", range.cloneRange());
			}
		return range;
		};
	this.restoreSelection = function(range){
		var cursor = concordInstance.op.getCursor();
		if(range===undefined){
			range = cursor.data("range");
			}
		if(range !== undefined){
			if(window.getSelection){
				var concordText = cursor.children(".concord-wrapper").children(".concord-text");
				try{
					var cloneRanger = range.cloneRange();
					var sel = window.getSelection();
					sel.removeAllRanges();
					sel.addRange(cloneRanger);
					}
				catch(e){
					console.log(e);
					}
				finally {
					cursor.removeData("range");
					}
				}
			}
		return range;
		};
	this.recalculateLevels = function(context){
		if(!context){
			context = root.find(".concord-node");
			}
		context.each(function(){
			var text = $(this).children(".concord-wrapper").children(".concord-text");
			var levelMatch = $(this).attr("class").match(/.*concord-level-(\d+).*/);
			if(levelMatch){
				$(this).removeClass("concord-level-"+levelMatch[1]);
				text.removeClass("concord-level-"+levelMatch[1]+"-text");
				}
			var level = $(this).parents(".concord-node").length+1;
			$(this).addClass("concord-level-"+level);
			text.addClass("concord-level-"+level+"-text");
			});
		};
	}
function ConcordEvents(root, editor, op, concordInstance) {
	var instance = this;
	this.wrapperDoubleClick = function(event) {
		if(!concord.handleEvents){
			return;
			}
		if(root.data("dropdown")){
			editor.hideContextMenu();
			return;
			}
		if(!editor.editable($(event.target))) {
			var wrapper = $(event.target);
			if(wrapper.hasClass("node-icon")){
				wrapper = wrapper.parent();
				}
			if(wrapper.hasClass("concord-wrapper")) {
				event.stopPropagation();
				var node = wrapper.parents(".concord-node:first");
				op.setTextMode(false);
				if(op.subsExpanded()) {
					op.collapse();
					} else {
						op.expand();
						}
				}
			}
		};
	this.clickSelect = function(event) {
		if(!concord.handleEvents){
			return;
			}
		if(root.data("dropdown")){
			event.stopPropagation();
			editor.hideContextMenu();
			return;
			}
		if(concord.mobile){
			var node = $(event.target);
			if(concordInstance.op.getCursor()[0]===node[0]){
				instance.doubleClick(event);
				return;
				}
			}
		if((event.which==1) && !editor.editable($(event.target))) {
			var node = $(event.target);
			if(!node.hasClass("concord-node")){
				return;
				}
			if(node.length==1) {
				event.stopPropagation();
				if(event.shiftKey && (node.parents(".concord-node.selected").length>0)){
					return;
					}
				op.setTextMode(false);
				op.setCursor(node, event.shiftKey || event.metaKey, event.shiftKey);
				}
			}
		};
	this.doubleClick = function(event) {
		if(!concord.handleEvents){
			return;
			}
		if(root.data("dropdown")){
			editor.hideContextMenu();
			return;
			}
		if(!editor.editable($(event.target))) {
			var node = $(event.target);
			if(node.hasClass("concord-node") && node.hasClass("concord-cursor")) {
				event.stopPropagation();
				op.setTextMode(false);
				op.setCursor(node);
				if(op.subsExpanded()) {
					op.collapse();
					} else {
						op.expand();
						}
				}
			}
		};
	this.wrapperClickSelect = function(event) {
		if(!concord.handleEvents){
			return;
			}
		if(root.data("dropdown")){
			editor.hideContextMenu();
			return;
			}
		if(concord.mobile){
			var target = $(event.target);
			var node = target.parents(".concord-node:first");
			if(concordInstance.op.getCursor()[0]===node[0]){
				instance.wrapperDoubleClick(event);
				return;
				}
			}
		if((event.which==1) && !editor.editable($(event.target))) {
			var wrapper = $(event.target);
			if(wrapper.hasClass("node-icon")){
				wrapper = wrapper.parent();
				}
			if(wrapper.hasClass("concord-wrapper")) {
				var node = wrapper.parents(".concord-node:first");
				if(event.shiftKey && (node.parents(".concord-node.selected").length>0)){
					return;
					}
				op.setTextMode(false);
				op.setCursor(node, event.shiftKey || event.metaKey, event.shiftKey);
				}
			}
		};
	this.contextmenu = function(event){
		if(!concord.handleEvents){
			return;
			}
		event.preventDefault();
		event.stopPropagation();
		var node = $(event.target);
		if(node.hasClass("concord-wrapper") || node.hasClass("node-icon")){
			op.setTextMode(false);
			}
		if(!node.hasClass("concord-node")){
			node = node.parents(".concord-node:first");
			}
		concordInstance.fireCallback("opContextMenu", op.setCursorContext(node));
		op.setCursor(node);
		editor.showContextMenu(event.pageX, event.pageY);
		};
	root.on("dblclick", ".concord-wrapper", this.wrapperDoubleClick);
	root.on("dblclick", ".concord-node", this.doubleClick);
	root.on("dblclick", ".concord-text", function(event){
		if(!concord.handleEvents){
			return;
			}
		if(concordInstance.prefs()["readonly"]==true){
			event.preventDefault();
			event.stopPropagation();
			var node = $(event.target).parents(".concord-node:first");
			op.setCursor(node);
			if(op.subsExpanded()) {
				op.collapse();
				} else {
					op.expand();
					}
			}
		});
	root.on("click", ".concord-wrapper", this.wrapperClickSelect);
	root.on("click", ".concord-node", this.clickSelect);
	root.on("mouseover", ".concord-wrapper", function(event){
		if(!concord.handleEvents){
			return;
			}
		var node = $(event.target).parents(".concord-node:first");
		concordInstance.fireCallback("opHover", op.setCursorContext(node));
		});
	if(concordInstance.prefs.contextMenu){
		root.on("contextmenu", ".concord-text", this.contextmenu);
		root.on("contextmenu", ".concord-node", this.contextmenu);
		root.on("contextmenu", ".concord-wrapper", this.contextmenu);
		}
	root.on("blur", ".concord-text", function(event){
		if(!concord.handleEvents){
			return;
			}
		if(concordInstance.prefs()["readonly"]==true){
			return;
			}
		if($(this).html().match(/^\s*<br>\s*$/)){
			$(this).html("");
			}
		var concordText = $(this);
		var node = $(this).parents(".concord-node:first");
		if(concordInstance.op.inTextMode()){
			editor.saveSelection();
			}
		if(concordInstance.op.inTextMode() && node.hasClass("dirty")){
			node.removeClass("dirty");
			}
		});
	root.on("paste", ".concord-text", function(event){
		if(!concord.handleEvents){
			return;
			}
		if(concordInstance.prefs()["readonly"]==true){
			return;
			}
		$(this).addClass("paste");
		concordInstance.editor.saveSelection();
		concordInstance.pasteBin.html("");
		concordInstance.pasteBin.focus();
		setTimeout(editor.sanitize,10);
		});
	concordInstance.pasteBin.on("copy", function(){
		if(!concord.handleEvents){
			return;
			}
		var copyText = "";
		root.find(".selected").each(function(){
			copyText+= concordInstance.editor.textLine($(this));
			});
		if((copyText!="") && (copyText!="\n")){
			concordClipboard = {text: copyText, data: root.find(".selected").clone(true, true)};
			concordInstance.pasteBin.html("<pre>"+$("<div/>").text(copyText).html()+"</pre>");
			concordInstance.pasteBin.focus();
			document.execCommand("selectAll");
			}
		});
	concordInstance.pasteBin.on("paste", function(event){
		if(!concord.handleEvents){
			return;
			}
		if(concordInstance.prefs()["readonly"]==true){
			return;
			}
		var concordText = concordInstance.op.getCursor().children(".concord-wrapper").children(".concord-text");
		concordText.addClass("paste");
		concordInstance.pasteBin.html("");
		setTimeout(editor.sanitize,10);
		});
	concordInstance.pasteBin.on("cut", function(){
		if(!concord.handleEvents){
			return;
			}
		if(concordInstance.prefs()["readonly"]==true){
			return;
			}
		var copyText = "";
		root.find(".selected").each(function(){
			copyText+= concordInstance.editor.textLine($(this));
			});
		if((copyText!="") && (copyText!="\n")){
			concordClipboard = {text: copyText, data: root.find(".selected").clone(true, true)};
			concordInstance.pasteBin.html("<pre>"+$("<div/>").text(copyText).html()+"</pre>");
			concordInstance.pasteBinFocus();
			}
		concordInstance.op.deleteLine();
		setTimeout(function(){concordInstance.pasteBinFocus()}, 200);
		});
	root.on("mousedown", function(event) {
		if(!concord.handleEvents){
			return;
			}
		var target = $(event.target);
		if(target.is("a")){
			if(target.attr("href")){
				event.preventDefault();
				window.open(target.attr("href"));
				}
			return;
			}
		if(concordInstance.prefs()["readonly"]==true){
			event.preventDefault();
			var target = $(event.target);
			if(target.parents(".concord-text:first").length==1){
				target = target.parents(".concord-text:first");
				}
			if(target.hasClass("concord-text")){
				var node = target.parents(".concord-node:first");
				if(node.length==1){
					op.setCursor(node);
					}
				}
			return;
			}
		if(event.which==1) {
			if(root.data("dropdown")){
				editor.hideContextMenu();
				return;
				}
			if(target.parents(".concord-text:first").length==1){
				target = target.parents(".concord-text:first");
				}
			if(target.hasClass("concord-text")){
				var node = target.parents(".concord-node:first");
				if(node.length==1){
					if(!root.hasClass("textMode")){
						root.find(".selected").removeClass("selected");
						root.addClass("textMode");
						}
					if(node.children(".concord-wrapper").children(".concord-text").hasClass("editing")){
						root.find(".editing").removeClass("editing");
						node.children(".concord-wrapper").children(".concord-text").addClass("editing");
						}
					if(!node.hasClass("concord-cursor")){
						root.find(".concord-cursor").removeClass("concord-cursor");
						node.addClass("concord-cursor");
						concordInstance.fireCallback("opCursorMoved", op.setCursorContext(node));
						}
					}
				}else{
					event.preventDefault();
					root.data("mousedown", true);
					}
			}
		});
	root.on("mousemove", function(event) {
		if(!concord.handleEvents){
			return;
			}
		if(concordInstance.prefs()["readonly"]==true){
			return;
			}
		if(!editor.editable($(event.target))) {
			event.preventDefault();
			if(root.data("mousedown") && !root.data("dragging")) {
				var target = $(event.target);
				if(target.hasClass("node-icon")){
					target = target.parent();
					}
				if(target.hasClass("concord-wrapper") && target.parent().hasClass("selected")) {
					editor.dragMode();
					}
				}
			}
		});
	root.on("mouseup", function(event) {
		if(!concord.handleEvents){
			return;
			}
		if(concordInstance.prefs()["readonly"]==true){
			return;
			}
		var target = $(event.target);
		if(target.hasClass("concord-node")) {
			target = target.children(".concord-wrapper:first").children(".concord-text:first");
			} else if(target.hasClass("concord-wrapper")) {
				target = target.children(".concord-text:first");
				}
		if(!editor.editable(target)) {
			root.data("mousedown", false);
			if(root.data("dragging")) {
				var target = $(event.target);
				var node = target.parents(".concord-node:first");
				var draggable = root.find(".selected");
				if((node.length == 1) && (draggable.length >= 1)) {
					var isDraggableTarget = false;
					draggable.each(function(){
						if(this==node[0]){
							isDraggableTarget = true;
							}
						});
					if(!isDraggableTarget) {
						var draggableIsTargetParent = false;
						node.parents(".concord-node").each(function() {
							var nodeParent = $(this)[0];
							draggable.each(function(){
								if($(this)[0] == nodeParent) {
									draggableIsTargetParent = true;
									}
								});
							});
						if(!draggableIsTargetParent) {
							if(target.hasClass("concord-wrapper") || target.hasClass("node-icon")) {
								var clonedDraggable = draggable.clone(true, true);
								clonedDraggable.insertAfter(node);
								draggable.remove();
								} else {
									var clonedDraggable = draggable.clone(true, true);
									var outline = node.children("ol");
									clonedDraggable.prependTo(outline);
									node.removeClass("collapsed");
									draggable.remove();
									}
							}
						} else {
							var prev = node.prev();
							if(prev.length == 1) {
								if(prev.hasClass("drop-child")) {
									var clonedDraggable = draggable.clone(true, true);
									var outline = prev.children("ol");
									clonedDraggable.appendTo(outline);
									prev.removeClass("collapsed");
									draggable.remove();
									}
								}
							}
					}
				editor.dragModeExit();
				concordInstance.editor.recalculateLevels();
				}
			}
		});
	root.on("mouseover", function(event) {
		if(!concord.handleEvents){
			return;
			}
		if(concordInstance.prefs()["readonly"]==true){
			return;
			}
		if(root.data("dragging")) {
			event.preventDefault();
			var target = $(event.target);
			var node = target.parents(".concord-node:first");
			var draggable = root.find(".selected");
			if((node.length == 1) && (draggable.length>=1)) {
				var isDraggableTarget = false;
				draggable.each(function(){
					if(this==node[0]){
						isDraggableTarget = true;
						}
					});
				if(!isDraggableTarget) {
					var draggableIsTargetParent = false;
					node.parents(".concord-node").each(function() {
						var nodeParent = $(this)[0];
						draggable.each(function(){
							if($(this)[0] == nodeParent) {
								draggableIsTargetParent = true;
								}
							});
						});
					if(!draggableIsTargetParent) {
						node.removeClass("drop-sibling").remove("drop-child");
						if(target.hasClass("concord-wrapper") || target.hasClass("node-icon")) {
							node.addClass("drop-sibling");
							} else {
								node.addClass("drop-child");
								}
						}
					} else if (draggable.length==1){
						var prev = node.prev();
						if(prev.length == 1) {
							prev.removeClass("drop-sibling").remove("drop-child");
							prev.addClass("drop-child");
							}
						}
				}
			}
		});
	root.on("mouseout", function(event) {
		if(!concord.handleEvents){
			return;
			}
		if(concordInstance.prefs()["readonly"]==true){
			return;
			}
		if(root.data("dragging")) {
			root.find(".drop-sibling").removeClass("drop-sibling");
			root.find(".drop-child").removeClass("drop-child");
			}
		});
	}
function ConcordOp(root, concordInstance, _cursor) {
	this._walk_up = function(context) {
		var prev = context.prev();
		if(prev.length == 0) {
			var parent = context.parents(".concord-node:first");
			if(parent.length == 1) {
				return parent;
				} else {
					return null;
					}
			} else {
				return this._last_child(prev);
				}
		};
	this._walk_down = function(context) {
		var next = context.next();
		if(next.length == 1) {
			return next;
			} else {
				var parent = context.parents(".concord-node:first");
				if(parent.length == 1) {
					return this._walk_down(parent);
					} else {
						return null;
						}
				}
		};
	this._last_child = function(context) {
		if(context.hasClass("collapsed")) {
			return context;
			}
		var outline = context.children("ol");
		if(outline.length == 0) {
			return context;
			} else {
				var lastChild = outline.children(".concord-node:last");
				if(lastChild.length == 1) {
					return this._last_child(lastChild);
				} else {
					return context;
				}
				}
		};
	this.bold = function(){
		this.saveState();
		if(this.inTextMode()){
			document.execCommand("bold");
			}else{
				this.focusCursor();
				document.execCommand("selectAll");
				document.execCommand("bold");
				document.execCommand("unselect");
				this.blurCursor();
				concordInstance.pasteBinFocus();
				}
		this.markChanged();
		};
	this.changed = function() {
		return root.data("changed") == true;
		};
	this.clearChanged = function() {
		root.data("changed", false);
		return true;
		};
	this.collapse = function(triggerCallbacks) {
		if(triggerCallbacks == undefined){
			triggerCallbacks = true;
			}
		var node = this.getCursor();
		if(node.length == 1) {
			if(triggerCallbacks){
				concordInstance.fireCallback("opCollapse", this.setCursorContext(node));
				}
			node.addClass("collapsed");
			node.find("ol").each(function() {
				if($(this).children().length > 0) {
					$(this).parent().addClass("collapsed");
					}
				});
			this.markChanged();
			}
		};
	this.copy = function(){
		if(!this.inTextMode()){
			root.data("clipboard", root.find(".selected").clone(true, true));
			}
		};
	this.countSubs = function() {
		var node = this.getCursor();
		if(node.length == 1) {
			return node.children("ol").children().size();
			}
		return 0;
		};
	this.cursorToXml = function(){
		return concordInstance.editor.opml(this.getCursor());
		};
	this.cursorToXmlSubsOnly = function(){ //8/5/13 by DW
		return concordInstance.editor.opml(this.getCursor(), true);
		};
	this.cut = function(){
		if(!this.inTextMode()){
			this.copy();
			this.deleteLine();
			}
		};
	this.deleteLine = function() {
		this.saveState();
		if(this.inTextMode()){
			var cursor = this.getCursor();
			var p = cursor.prev();
			if(p.length==0){
				p = cursor.parents(".concord-node:first");
				}
			cursor.remove();
			if(p.length==1) {
				this.setCursor(p);
				} else {
					if(root.find(".concord-node:first").length==1) {
						this.setCursor(root.find(".concord-node:first"));
						} else {
							this.wipe();
							}
					}
			}else{
				var selected = root.find(".selected");
				if(selected.length == 1) {
					var p = selected.prev();
					if(p.length==0){
						p = selected.parents(".concord-node:first");
						}
					selected.remove();
					if(p.length==1) {
						this.setCursor(p);
						} else {
							if(root.find(".concord-node:first").length==1) {
								this.setCursor(root.find(".concord-node:first"));
								} else {
									this.wipe();
									}
							}
					} else if(selected.length > 1) {
						var first = root.find(".selected:first");
						var p = first.prev();
						if(p.length==0){
							p = first.parents(".concord-node:first");
							}
						selected.each(function() {
							$(this).remove();
							});
						if(p.length==1){
							this.setCursor(p);
							}else{
								if(root.find(".concord-node:first").length==1) {
									this.setCursor(root.find(".concord-node:first"));
									} else {
										this.wipe();
										}
								}
						}
				}
		if(root.find(".concord-node").length == 0) {
			var node = this.insert("", down);
			this.setCursor(node);
			}
		this.markChanged();
		};
	this.deleteSubs = function() {
		var node = this.getCursor();
		if(node.length == 1) {
			if(node.children("ol").children().length > 0){
				this.saveState();
				node.children("ol").empty();
				}
			}
		this.markChanged();
		};
	this.demote = function() {
		var node = this.getCursor();
		var movedSiblings = false;
		if(node.nextAll().length>0){
			this.saveState();
			node.nextAll().each(function() {
				var sibling = $(this).clone(true, true);
				$(this).remove();
				sibling.appendTo(node.children("ol"));
				node.removeClass("collapsed");
				});
			concordInstance.editor.recalculateLevels(node.find(".concord-node"));
			this.markChanged();
			}
		};
	this.expand = function(triggerCallbacks) {
		if(triggerCallbacks == undefined){
			triggerCallbacks = true;
			}
		var node = this.getCursor();
		if(node.length == 1) {
			if(triggerCallbacks){
				concordInstance.fireCallback("opExpand", this.setCursorContext(node));
				}
			if(!node.hasClass("collapsed")){
				return;
				}
			node.removeClass("collapsed");
			var cursorPosition = node.offset().top;
			var cursorHeight =node.height();
			var windowPosition = $(window).scrollTop();
			var windowHeight = $(window).height();
			if( ( cursorPosition < windowPosition ) || ( (cursorPosition+cursorHeight) > (windowPosition+windowHeight) ) ){
				if(cursorPosition < windowPosition){
					$(window).scrollTop(cursorPosition);
					}else if ((cursorPosition+cursorHeight) > (windowPosition+windowHeight)){
						var lineHeight = parseInt(node.children(".concord-wrapper").children(".concord-text").css("line-height")) + 6;
						if((cursorHeight+lineHeight) < windowHeight){
							$(window).scrollTop(cursorPosition - (windowHeight-cursorHeight)+lineHeight);
							}else{
								$(window).scrollTop(cursorPosition);
								}
						}
				}
			this.markChanged();
			}
		};
	this.expandAllLevels = function() {
		var node = this.getCursor();
		if(node.length == 1) {
			node.removeClass("collapsed");
			node.find(".concord-node").removeClass("collapsed");
			}
		};
	this.focusCursor = function(){
		this.getCursor().children(".concord-wrapper").children(".concord-text").focus();
		};
	this.blurCursor = function(){
		this.getCursor().children(".concord-wrapper").children(".concord-text").blur();
		};
	this.fullCollapse = function() {
		root.find(".concord-node").each(function() {
			if($(this).children("ol").children().size() > 0) {
				$(this).addClass("collapsed");
				}
			});
		var cursor = this.getCursor();
		var topParent = cursor.parents(".concord-node:last");
		if(topParent.length == 1) {
			concordInstance.editor.select(topParent);
			}
		};
	this.fullExpand = function() {
		root.find(".concord-node").removeClass("collapsed");
		};
	this.getCursor = function(){
		if(_cursor){
			return _cursor;
			}
		return root.find(".concord-cursor:first");
		};
	this.getCursorRef = function(){
		return this.setCursorContext(this.getCursor());
		};
	this.getHeaders = function(){
		var headers = {};
		if(root.data("head")){
			headers = root.data("head");
			}
		headers["title"] = this.getTitle();
		return headers;
		},
	this.getLineText = function() {
		var node = this.getCursor();
		if(node.length == 1) {
			var text = node.children(".concord-wrapper:first").children(".concord-text:first").html();
			var textMatches = text.match(/^(.+)<br>\s*$/);
			if(textMatches){
				text = textMatches[1];
				}
			return concordInstance.editor.unescape(text);
			} else {
				return null;
				}
		};
	this.getRenderMode = function(){
		if(root.data("renderMode")!==undefined){
			return (root.data("renderMode")===true);
			}else{
				return true;
				}
		};
	this.getTitle = function() {
		return root.data("title");
		};
	this.go = function(direction, count, multiple, textMode) {
		if(count===undefined) {
			count = 1;
			}
		var cursor = this.getCursor();
		if(textMode==undefined){
			textMode = false;
			}
		this.setTextMode(textMode);
		var ableToMoveInDirection = false;
		switch(direction) {
			case up:
				for(var i = 0; i < count; i++) {
					var prev = cursor.prev();
					if(prev.length == 1) {
						cursor = prev;
						ableToMoveInDirection = true;
						}else{
							break;
							}
					}
				this.setCursor(cursor, multiple);
				break;
			case down:
				for(var i = 0; i < count; i++) {
					var next = cursor.next();
					if(next.length == 1) {
						cursor = next;
						ableToMoveInDirection = true;
						}else{
							break;
							}
					}
				this.setCursor(cursor, multiple);
				break;
			case left:
				for(var i = 0; i < count; i++) {
					var parent = cursor.parents(".concord-node:first");
					if(parent.length == 1) {
						cursor = parent;
						ableToMoveInDirection = true;
						}else{
							break;
							}
					}
				this.setCursor(cursor, multiple);
				break;
			case right:
				for(var i = 0; i < count; i++) {
					var firstSibling = cursor.children("ol").children(".concord-node:first");
					if(firstSibling.length == 1) {
						cursor = firstSibling;
						ableToMoveInDirection = true;
						}else{
							break;
							}
					}
				this.setCursor(cursor, multiple);
				break;
			case flatup:
				var nodeCount = 0;
				while(cursor && (nodeCount < count)) {
					var cursor = this._walk_up(cursor);
					if(cursor) {
						if(!cursor.hasClass("collapsed") && (cursor.children("ol").children().size() > 0)) {
							nodeCount++;
							ableToMoveInDirection = true;
							if(nodeCount == count) {
								this.setCursor(cursor, multiple);
								break;
							}
						}
					}
				}
				break;
			case flatdown:
				var nodeCount = 0;
				while(cursor && (nodeCount < count)) {
					var next = null;
					if(!cursor.hasClass("collapsed")) {
						var outline = cursor.children("ol");
						if(outline.length == 1) {
							var firstChild = outline.children(".concord-node:first");
							if(firstChild.length == 1) {
								next = firstChild;
								}
							}
						}
					if(!next) {
						next = this._walk_down(cursor);
						}
					cursor = next;
					if(cursor) {
						if(!cursor.hasClass("collapsed") && (cursor.children("ol").children().size() > 0)) {
							nodeCount++;
							ableToMoveInDirection = true;
							if(nodeCount == count) {
								this.setCursor(cursor, multiple);
								}
							}
						}
					}
				break;
			}
		this.markChanged();
		return ableToMoveInDirection;
		};
	this.insert = function(insertText, insertDirection) {
		this.saveState();
		var level = this.getCursor().parents(".concord-node").length+1;
		var node = $("<li></li>");
		node.addClass("concord-node");
		switch(insertDirection){
			case right:
				level+=1;
				break;
			case left:
				level-=1;
				break;
			}
		node.addClass("concord-level-"+level);
		var wrapper = $("<div class='concord-wrapper'></div>");
		var iconName="caret-right";
		var icon = "<i"+" class=\"node-icon icon-"+ iconName +"\"><"+"/i>";
		wrapper.append(icon);
		wrapper.addClass("type-icon");
		var text = $("<div class='concord-text' contenteditable='true'></div>");
		text.addClass("concord-level-"+level+"-text");
		var outline = $("<ol></ol>");
		text.appendTo(wrapper);
		wrapper.appendTo(node);
		outline.appendTo(node);
		if(insertText && (insertText!="")){
			text.html(concordInstance.editor.escape(insertText));
			}
		var cursor = this.getCursor();
		if(!insertDirection) {
			insertDirection = down;
			}
		switch(insertDirection) {
			case down:
				cursor.after(node);
				break;
			case right:
				cursor.children("ol").prepend(node);
				this.expand(false);
				break;
			case up:
				cursor.before(node);
				break;
			case left:
				var parent = cursor.parents(".concord-node:first");
				if(parent.length == 1) {
					parent.after(node);
					}
				break;
			}
		this.setCursor(node);
		this.markChanged();
		concordInstance.fireCallback("opInsert", this.setCursorContext(node));
		return node;
		};
	this.insertImage = function(url){
		if(this.inTextMode()){
			document.execCommand("insertImage", null, url);
			}else{
				this.insert('<img src="'+url+'">', down);
				}
		};
	this.insertText = function(text){
		var nodes = $("<ol></ol>");
		var lastLevel = 0;
		var startingline = 0;
		var startinglevel = 0;
		var lastNode = null;
		var parent = null;
		var parents = {};
		var lines = text.split("\n");
		var workflowy=true;
		var workflowyParent = null;
		var firstlinewithcontent = 0;
		for(var i = 0; i < lines.length; i++){
			var line = lines[i];
			if(!line.match(/^\s*$/)){
				firstlinewithcontent = i;
				break;
				}
			}
		if(lines.length>(firstlinewithcontent+2)){
			if((lines[firstlinewithcontent].match(/^([\t\s]*)\-.*$/)==null) && lines[firstlinewithcontent].match(/^.+$/) && (lines[firstlinewithcontent+1]=="")){
				startingline = firstlinewithcontent+2;
				var workflowyParent = concordInstance.editor.makeNode();
				workflowyParent.children(".concord-wrapper").children(".concord-text").html(lines[firstlinewithcontent]);
				}
			}
		for(var i = startingline; i < lines.length; i++){
			var line = lines[i];
			if((line!="") && !line.match(/^\s+$/) && (line.match(/^([\t\s]*)\-.*$/)==null)){
				workflowy=false;
				break;
				}
			}
		if(!workflowy){
			startingline = 0;
			workflowyParent=null;
			}
		for(var i = startingline; i < lines.length; i++){
			var line = lines[i];
			if((line!="") && !line.match(/^\s+$/)){
				var matches = line.match(/^([\t\s]*)(.+)$/);
				var node = concordInstance.editor.makeNode();
				var nodeText = concordInstance.editor.escape(matches[2]);
				if(workflowy){
					var nodeTextMatches = nodeText.match(/^([\t\s]*)\-\s*(.+)$/)
					if(nodeTextMatches!=null){
						nodeText = nodeTextMatches[2];
						}
					}
				node.children(".concord-wrapper").children(".concord-text").html(nodeText);
				var level = startinglevel;
				if(matches[1]){
					if(workflowy){
						level = (matches[1].length / 2) + startinglevel;
						}
					else {
						level = matches[1].length + startinglevel;
						}
					if(level>lastLevel){
						parents[lastLevel]=lastNode;
						parent = lastNode;
						}else if ((level>0) && (level < lastLevel)){
							parent = parents[level-1];
							}
					}
				if(parent && (level > 0)){
					parent.children("ol").append(node);
					parent.addClass("collapsed");
					}else{
						parents = {};
						nodes.append(node);
						}
				lastNode = node;
				lastLevel = level;
				}
			}
		if(workflowyParent){
			if(nodes.children().length > 0){
				workflowyParent.addClass("collapsed");
				}
			var clonedNodes = nodes.clone();
			clonedNodes.children().appendTo(workflowyParent.children("ol"));
			nodes = $("<ol></ol>");
			nodes.append(workflowyParent);
			}
		if(nodes.children().length>0){
			this.saveState();
			this.setTextMode(false);
			var cursor = this.getCursor();
			nodes.children().insertAfter(cursor);
			this.setCursor(cursor.next());
			concordInstance.root.removeData("clipboard");
			this.markChanged();
			concordInstance.editor.recalculateLevels();
			}
		},
	this.insertXml = function(opmltext,dir){
		this.saveState();
		var doc = null;
		var nodes = $("<ol></ol>");
		var cursor = this.getCursor();
		var level = cursor.parents(".concord-node").length+1;
		if(!dir){
			dir = down;
			}
		switch(dir){
			case right:
				level+=1;
				break;
			case left:
				level-=1;
				break;
			}
		if(typeof opmltext == "string") {
			doc = $($.parseXML(opmltext));
			} else {
				doc = $(opmltext);
				}
		doc.find("body").children("outline").each(function() {
			nodes.append(concordInstance.editor.build($(this), true, level));
			});
		var expansionState = doc.find("expansionState");
		if(expansionState && expansionState.text() && (expansionState.text()!="")){
			var expansionStates = expansionState.text().split(",");
			var nodeId=1;
			nodes.find(".concord-node").each(function(){
				if(expansionStates.indexOf(""+nodeId) >= 0){
					$(this).removeClass("collapsed");
					}
				nodeId++;
				});
			}
		switch(dir) {
			case down:
				nodes.children().insertAfter(cursor);
				break;
			case right:
				nodes.children().prependTo(cursor.children("ol"));
				this.expand(false);
				break;
			case up:
				nodes.children().insertBefore(cursor);
				break;
			case left:
				var parent = cursor.parents(".concord-node:first");
				if(parent.length == 1) {
					nodes.children().insertAfter(parent);
					}
				break;
			}
		this.markChanged();
		return true;
		};
	this.inTextMode = function(){
		return root.hasClass("textMode");
		};
	this.italic = function(){
		this.saveState();
		if(this.inTextMode()){
			document.execCommand("italic");
			}else{
				this.focusCursor();
				document.execCommand("selectAll");
				document.execCommand("italic");
				document.execCommand("unselect");
				this.blurCursor();
				concordInstance.pasteBinFocus();
				}
		this.markChanged();
		};
	this.level = function(){
		return this.getCursor().parents(".concord-node").length+1;
		},
	this.link = function(url){
		if(this.inTextMode()){
			if(!concord.handleEvents){
				var instance = this;
				concord.onResume(function(){
					instance.link(url);
					});
				return;
				}
			var range = concordInstance.editor.getSelection();
			if(range===undefined){
				concordInstance.editor.restoreSelection();
				}
			if(concordInstance.editor.getSelection()){
				this.saveState();
				document.execCommand("createLink", null, url);
				this.markChanged();
				}
			}
		};
	this.markChanged = function() {
		root.data("changed", true);
		if(!this.inTextMode()){
			root.find(".concord-node.dirty").removeClass("dirty");
			}
		return true;
		};
	this.paste = function(){
		if(!this.inTextMode()){
			if(root.data("clipboard")!=null){
				var pasteNodes = root.data("clipboard").clone(true,true);
				if(pasteNodes.length>0){
					this.saveState();
					root.find(".selected").removeClass("selected");
					pasteNodes.insertAfter(this.getCursor());
					this.setCursor($(pasteNodes[0]), (pasteNodes.length>1));
					this.markChanged();
					}
				}
			}
		};
	this.promote = function() {
		var node = this.getCursor();
		if(node.children("ol").children().length > 0){
			this.saveState();
			node.children("ol").children().reverse().each(function() {
				var child = $(this).clone(true, true);
				$(this).remove();
				node.after(child);
				});
			concordInstance.editor.recalculateLevels(node.parent().find(".concord-node"));
			this.markChanged();
			}
		};
	this.redraw = function(){
		var ct = 1;
		var cursorIndex = 1;
		var wasChanged = this.changed();
		root.find(".concord-node:visible").each(function(){
			if($(this).hasClass("concord-cursor")){
				cursorIndex=ct;
				return false;
				}
			ct++;
			});
		this.xmlToOutline(this.outlineToXml());
		ct=1;
		var thisOp = this;
		root.find(".concord-node:visible").each(function(){
			if(cursorIndex==ct){
				thisOp.setCursor($(this));
				return false;
				}
			ct++;
			});
		if(wasChanged){
			this.markChanged();
			}
		};
	this.reorg = function(direction, count) {
		if(count===undefined) {
			count = 1;
			}
		var ableToMoveInDirection = false;
		var cursor = this.getCursor();
		var range = undefined;
		var toMove = this.getCursor();
		var selected = root.find(".selected");
		var iteration = 1;
		if(selected.length>1){
			cursor = root.find(".selected:first");
			toMove = root.find(".selected");
			}
		switch(direction) {
			case up:
				var prev = cursor.prev();
				if(prev.length==1) {
					while(iteration < count){
						if(prev.prev().length==1){
							prev = prev.prev();
							}
						else{
							break;
							}
						iteration++;
						}
					this.saveState();
					var clonedMove = toMove.clone(true, true);
					toMove.remove();
					clonedMove.insertBefore(prev);
					ableToMoveInDirection = true;
					}
				break;
			case down:
				if(!this.inTextMode()){
					cursor = root.find(".selected:last");
					}
				var next = cursor.next();
				if(next.length==1) {
					while(iteration < count){
						if(next.next().length==1){
							next = next.next();
							}
						else{
							break;
							}
						iteration++;
						}
					this.saveState();
					var clonedMove = toMove.clone(true, true);
					toMove.remove();
					clonedMove.insertAfter(next);
					ableToMoveInDirection = true;
					}
				break;
			case left:
				var outline = cursor.parent();
				if(!outline.hasClass("concord-root")) {
					var parent = outline.parent();
					while(iteration < count){
						var parentParent = parent.parents(".concord-node:first");
						if(parentParent.length==1){
							parent = parentParent;
							}
						else{
							break;
							}
						iteration++;
						}
					this.saveState();
					var clonedMove = toMove.clone(true, true);
					toMove.remove();
					clonedMove.insertAfter(parent);
					concordInstance.editor.recalculateLevels(parent.nextAll(".concord-node"));
					ableToMoveInDirection = true;
					}
				break;
			case right:
				var prev = cursor.prev();
				if(prev.length == 1) {
					this.saveState();
					while(iteration < count){
						if(prev.children("ol").length==1){
							var prevNode = prev.children("ol").children(".concord-node:last");
							if(prevNode.length==1){
								prev = prevNode;
								}
							else{
								break;
								}
							}
						else{
							break;
							}
						iteration++;
						}
					var prevOutline = prev.children("ol");
					if(prevOutline.length == 0) {
						prevOutline = $("<ol></ol>");
						prevOutline.appendTo(prev);
						}
					var clonedMove = toMove.clone(true, true);
					toMove.remove();
					clonedMove.appendTo(prevOutline);
					prev.removeClass("collapsed");
					concordInstance.editor.recalculateLevels(prev.find(".concord-node"));
					ableToMoveInDirection = true;
					}
				break;
			}
		if(ableToMoveInDirection){
			if(this.inTextMode()){
				this.setCursor(this.getCursor());
				}
			this.markChanged();
			}
		return ableToMoveInDirection;
		};
	this.runSelection = function(){
		var value = eval (this.getLineText());
		this.deleteSubs();
		this.insert(value, "right");
		concordInstance.script.makeComment();
		this.go("left", 1);
		};
	this.saveState = function(){
		root.data("change", root.children().clone(true, true));
		root.data("changeTextMode", this.inTextMode());
		if(this.inTextMode()){
			var range = concordInstance.editor.getSelection();
			if( range){
				root.data("changeRange",range.cloneRange());
				}else{
					root.data("changeRange", undefined);
					}
			}else{
				root.data("changeRange", undefined);
				}
		return true;
		};
	this.setCursor = function(node, multiple, multipleRange){
		root.find(".concord-cursor").removeClass("concord-cursor");
		node.addClass("concord-cursor");
		if(this.inTextMode()){
			concordInstance.editor.edit(node);
			}else{
				concordInstance.editor.select(node, multiple, multipleRange);
				concordInstance.pasteBinFocus();
				}
		concordInstance.fireCallback("opCursorMoved", this.setCursorContext(node));
		concordInstance.editor.hideContextMenu();
		};
	this.setCursorContext = function(cursor){
		return new ConcordOp(root,concordInstance,cursor);
		};
	this.setHeaders = function(headers){
		root.data("head", headers);
		this.markChanged();
		},
	this.setLineText = function(text) {
		this.saveState();
		var node = this.getCursor();
		if(node.length == 1) {
			node.children(".concord-wrapper:first").children(".concord-text:first").html(concordInstance.editor.escape(text));
			return true;
			} else {
				return false;
				}
		this.markChanged();
		};
	this.setRenderMode = function(mode){
		root.data("renderMode", mode);
		this.redraw();
		return true;
		};
	this.setStyle = function(css){
		root.parent().find("style.customStyle").remove();
		root.before('<style type="text/css" class="customStyle">'+ css + '</style>');
		return true;
		};
	this.setTextMode = function(textMode){
		var readonly = concordInstance.prefs()["readonly"];
		if(readonly==undefined){
			readonly = false;
			}
		if(readonly){
			return;
			}
		if(root.hasClass("textMode") == textMode){
			return;
			}
		if(textMode==true){
			root.addClass("textMode");
			concordInstance.editor.editorMode();
			concordInstance.editor.edit(this.getCursor());
			}else{
				root.removeClass("textMode");
				root.find(".editing").removeClass("editing");
				this.blurCursor();
				concordInstance.editor.select(this.getCursor());
				}
		};
	this.setTitle = function(title) {
		root.data("title", title);
		return true;
		};
	this.strikethrough = function(){
		this.saveState();
		if(this.inTextMode()){
			document.execCommand("strikeThrough");
			}else{
				this.focusCursor();
				document.execCommand("selectAll");
				document.execCommand("strikeThrough");
				document.execCommand("unselect");
				this.blurCursor();
				concordInstance.pasteBinFocus();
				}
		this.markChanged();
		};
	this.subsExpanded = function() {
		var node = this.getCursor();
		if(node.length == 1) {
			if(!node.hasClass("collapsed") && (node.children("ol").children().size() > 0)) {
				return true;
				} else {
					return false;
					}
			}
		return false;
		};
	this.outlineToText = function(){
		var text = "";
		root.children(".concord-node").each(function() {
			text+= concordInstance.editor.textLine($(this));
			});
		return text;
		};
	this.outlineToXml = function(ownerName, ownerEmail, ownerId) {
		var head = this.getHeaders();
		if(ownerName) {
			head["ownerName"] = ownerName;
			}
		if(ownerEmail) {
			head["ownerEmail"] = ownerEmail;
			}
		if(ownerId) {
			head["ownerId"] = ownerId;
			}
		var title = this.getTitle();
		if(!title) {
			title = "";
			}
		head["title"] = title;
		head["dateModified"] = (new Date()).toGMTString();
		var expansionStates = [];
		var nodeId = 1;
		var cursor = root.find(".concord-node:first");
		do {
			if(cursor) {
				if(!cursor.hasClass("collapsed") && (cursor.children("ol").children().size() > 0)) {
					expansionStates.push(nodeId);
					}
				nodeId++;
				}else{
					break;
					}
			var next = null;
			if(!cursor.hasClass("collapsed")) {
				var outline = cursor.children("ol");
				if(outline.length == 1) {
					var firstChild = outline.children(".concord-node:first");
					if(firstChild.length == 1) {
						next = firstChild;
						}
					}
				}
			if(!next) {
				next = this._walk_down(cursor);
				}
			cursor = next;
			} while(cursor!=null);
		head["expansionState"] = expansionStates.join(",");
		var opml = '';
		var indent=0;
		var add = function(s){
			for(var i = 0; i < indent; i++){
				opml+='\t';
				}
				opml+=s+'\n';
			};
		add('<?xml version="1.0"?>');
		add('<opml version="2.0">');
		indent++;
		add('<head>');
		indent++;
		for(var headName in head){
			if(head[headName]!==undefined){
				add('<'+headName+'>' + ConcordUtil.escapeXml(head[headName]) + '</' + headName + '>');
				}
			}
		add('</head>');
		indent--;
		add('<body>');
		indent++;
		root.children(".concord-node").each(function() {
			opml += concordInstance.editor.opmlLine($(this), indent);
			});
		add('</body>');
		indent--;
		add('</opml>');
		return opml;
		};
	this.undo = function(){
		var stateBeforeChange = root.children().clone(true, true);
		var textModeBeforeChange = this.inTextMode();
		var beforeRange = undefined;
		if(this.inTextMode()){
			var range = concordInstance.editor.getSelection();
			if(range){
				beforeRange = range.cloneRange();
				}
			}
		if(root.data("change")){
			root.empty();
			root.data("change").appendTo(root);
			this.setTextMode(root.data("changeTextMode"));
			if(this.inTextMode()){
				this.focusCursor();
				var range = root.data("changeRange");
				if(range){
					concordInstance.editor.restoreSelection(range);
					}
				}
			root.data("change", stateBeforeChange);
			root.data("changeTextMode", textModeBeforeChange);
			root.data("changeRange", beforeRange);
			return true;
			}
		return false;
		};
	this.visitLevel = function(cb){
		var cursor = this.getCursor();
		var op = this;
		cursor.children("ol").children().each(function(){
			var subCursorContext = op.setCursorContext($(this));
			cb(subCursorContext);
			});
		return true;
		};
	this.visitToSummit = function(cb){
		var cursor = this.getCursor();
		while(cb(this.setCursorContext(cursor))){
			var parent = cursor.parents(".concord-node:first");
			if(parent.length==1){
				cursor=parent;
				}else{
					break;
					}
			}
		return true;
		};
	this.visitAll = function(cb){
		var op = this;
		root.find(".concord-node").each(function(){
			var subCursorContext = op.setCursorContext($(this));
			var retVal = cb(subCursorContext);
			if((retVal!==undefined) && (retVal===false)){
				return false;
				}
			});
		},
	this.wipe = function() {
		if(root.find(".concord-node").length > 0){
			this.saveState();
			}
		root.empty();
		var node = concordInstance.editor.makeNode();
		root.append(node);
		this.setTextMode(false);
		this.setCursor(node);
		this.markChanged();
		};
	this.xmlToOutline = function(xmlText) {
		var doc = null;
		if(typeof xmlText == "string") {
			doc = $($.parseXML(xmlText));
			} else {
				doc = $(xmlText);
				}
		root.empty();
		var title = "";
		if(doc.find("title:first").length==1){
			title = doc.find("title:first").text();
			}
		this.setTitle(title);
		var headers = {};
		doc.find("head").children().each(function(){
			headers[$(this).prop("tagName")] = $(this).text();
			});
		root.data("head", headers);
		doc.find("body").children("outline").each(function() {
			root.append(concordInstance.editor.build($(this), true));
			});
		root.data("changed", false);
		root.removeData("previousChange");
		var expansionState = doc.find("expansionState");
		if(expansionState && expansionState.text() && (expansionState.text()!="")){
			var expansionStates = expansionState.text().split(/\s*,\s*/);
			var nodeId = 1;
			var cursor = root.find(".concord-node:first");
			do {
				if(cursor) {
					if(expansionStates.indexOf(""+nodeId) >= 0){
						cursor.removeClass("collapsed");
						}
					nodeId++;
					}else{
						break;
						}
				var next = null;
				if(!cursor.hasClass("collapsed")) {
					var outline = cursor.children("ol");
					if(outline.length == 1) {
						var firstChild = outline.children(".concord-node:first");
						if(firstChild.length == 1) {
							next = firstChild;
							}
						}
					}
				if(!next) {
					next = this._walk_down(cursor);
					}
				cursor = next;
				} while(cursor!=null);
			}
		this.setTextMode(false);
		this.setCursor(root.find(".concord-node:first"));
		root.data("currentChange", root.children().clone(true, true));
		return true;
		};
	this.attributes = new ConcordOpAttributes(concordInstance, this.getCursor());
	}
function ConcordOpAttributes(concordInstance, cursor) {
	this._cssTextClassName = "cssTextClass";
	this._cssTextClass = function(newValue){
		if(newValue===undefined){
			return;
			}
		var newCssClasses = newValue.split(/\s+/);
		var concordText = cursor.children(".concord-wrapper:first").children(".concord-text:first");
		var currentCssClass = concordText.attr("class");
		if(currentCssClass){
			var cssClassesArray = currentCssClass.split(/\s+/);
			for(var i in cssClassesArray){
				var className = cssClassesArray[i];
				if(className.match(/^concord\-.+$/) == null){
					concordText.removeClass(className);
					}
				}
			}
		for(var j in newCssClasses){
			var newClass = newCssClasses[j];
			concordText.addClass(newClass);
			}
		};
	this.addGroup = function(attributes) {
		if(attributes["type"]){
			cursor.attr("opml-type", attributes["type"]);
			}
		else {
			cursor.removeAttr("opml-type");
			}
		this._cssTextClass(attributes[this._cssTextClassName]);
		var finalAttributes = this.getAll();
		var iconAttribute = "type";
		if(attributes["icon"]){
			iconAttribute = "icon";
			}
		for(var name in attributes){
			finalAttributes[name] = attributes[name];
			if(name==iconAttribute){
				var value = attributes[name];
				var wrapper = cursor.children(".concord-wrapper");
				var iconName = null;
				if((name == "type") && concordInstance.prefs() && concordInstance.prefs().typeIcons && concordInstance.prefs().typeIcons[value]){
					iconName = concordInstance.prefs().typeIcons[value];
					}else if (name=="icon"){
						iconName = value;
						}
				if(iconName){
					var icon = "<i"+" class=\"node-icon icon-"+ iconName +"\"><"+"/i>";
					wrapper.children(".node-icon:first").replaceWith(icon);
					}
				}
			}
		cursor.data("attributes", finalAttributes);
		concordInstance.op.markChanged();
		return finalAttributes;
		};
	this.setGroup = function(attributes) {
		if(attributes[this._cssTextClassName]!==undefined){
			this._cssTextClass(attributes[this._cssTextClassName]);
			}
		else {
			this._cssTextClass("");
			}
		cursor.data("attributes", attributes);
		var wrapper = cursor.children(".concord-wrapper");
		$(cursor[0].attributes).each(function() {
			var matches = this.name.match(/^opml-(.+)$/)
			if(matches) {
				var name = matches[1];
				if(!attributes[name]) {
					cursor.removeAttr(this.name);
					}
				}
			});
		var iconAttribute = "type";
		if(attributes["icon"]){
			iconAttribute = "icon";
			}
		if(name=="type"){
			cursor.attr("opml-" + name, attributes[name]);
			}
		for(var name in attributes) {
			if(name==iconAttribute){
				var value = attributes[name];
				var wrapper = cursor.children(".concord-wrapper");
				var iconName = null;
				if((name == "type") && concordInstance.prefs() && concordInstance.prefs().typeIcons && concordInstance.prefs().typeIcons[value]){
					iconName = concordInstance.prefs().typeIcons[value];
					}else if (name=="icon"){
						iconName = value;
						}
				if(iconName){
					var icon = "<i"+" class=\"node-icon icon-"+ iconName +"\"><"+"/i>";
					wrapper.children(".node-icon:first").replaceWith(icon);
					}
				}
			}
		concordInstance.op.markChanged();
		return attributes;
		};
	this.getAll = function() {
		if(cursor.data("attributes") !== undefined){
			return cursor.data("attributes");
			}
		return {};
		};
	this.getOne = function(name) {
		return this.getAll()[name];
		};
	this.makeEmpty = function() {
		this._cssTextClass("");
		var numAttributes = 0;
		var atts = this.getAll();
		if(atts !== undefined){
			for(var i in atts){
				numAttributes++;
				}
			}
		cursor.removeData("attributes");
		var removedAnyAttributes = (numAttributes > 0);
		var attributes = {};
		$(cursor[0].attributes).each(function() {
			var matches = this.name.match(/^opml-(.+)$/)
			if(matches) {
				cursor.removeAttr(this.name);
				}
			});
		if(removedAnyAttributes){
			concordInstance.op.markChanged();
			}
		return removedAnyAttributes;
		};
	this.setOne = function(name, value) {
		if(name==this._cssTextClassName){
			this._cssTextClass(value);
			}
		var atts = this.getAll();
		atts[name]=value;
		cursor.data("attributes", atts);
		if((name=="type" )|| (name=="icon")){
			cursor.attr("opml-" + name, value);
			var wrapper = cursor.children(".concord-wrapper");
			var iconName = null;
			if((name == "type") && concordInstance.prefs() && concordInstance.prefs().typeIcons && concordInstance.prefs().typeIcons[value]){
				iconName = concordInstance.prefs().typeIcons[value];
				}else if (name=="icon"){
					iconName = value;
					}
			if(iconName){
				var icon = "<i"+" class=\"node-icon icon-"+ iconName +"\"><"+"/i>";
				wrapper.children(".node-icon:first").replaceWith(icon);
				}
			}
		concordInstance.op.markChanged();
		return true;
		};
	this.exists = function(name){
		if(this.getOne(name) !== undefined){
			return true;
			}else{
				return false;
				}
		};
	this.removeOne = function(name){
		if(this.getAll()[name]){
			if(name == this._cssTextClassName){
				this._cssTextClass("");
				}
			delete this.getAll()[name];
			concordInstance.op.markChanged();
			return true;
			}
		return false;
		};
	}
function ConcordScript(root, concordInstance){
	this.isComment = function(){
		if(concordInstance.op.attributes.getOne("isComment")!== undefined){
			return concordInstance.op.attributes.getOne("isComment")=="true";
			}
		var parentIsAComment=false;
		concordInstance.op.getCursor().parents(".concord-node").each(function(){
			if(concordInstance.op.setCursorContext($(this)).attributes.getOne("isComment") == "true"){
				parentIsAComment = true;
				return;
				}
			});
		return parentIsAComment;
		};
	this.makeComment = function(){
		concordInstance.op.attributes.setOne("isComment", "true");
		concordInstance.op.getCursor().addClass("concord-comment");
		return true;
		};
	this.unComment = function(){
		concordInstance.op.attributes.setOne("isComment", "false");
		concordInstance.op.getCursor().removeClass("concord-comment");
		return true;
		};
	}
function Op(opmltext){
	var fakeDom = $("<div></div>");
	fakeDom.concord().op.xmlToOutline(opmltext);
	return fakeDom.concord().op;
	}
(function($) {
	$.fn.concord = function(options) {
		return new ConcordOutline($(this), options);
		};
	$(document).on("keydown", function(event) {
		if(!concord.handleEvents){
			return;
			}
		if($(event.target).is("input")||$(event.target).is("textarea")){
			return;
			}
		var focusRoot = concord.getFocusRoot();
		if(focusRoot==null){
			return;
			}
		var context = focusRoot;
		context.data("keydownEvent", event);
		var concordInstance = new ConcordOutline(context.parent());
		var readonly = concordInstance.prefs()["readonly"];
		if(readonly==undefined){
			readonly=false;
			}
		// Readonly exceptions for arrow keys and cmd-comma
		if(readonly){
			if( (event.which>=37) && (event.which <=40) ){
				readonly = false;
				}
			else if( (event.metaKey || event.ctrlKey) && (event.which==188) ){
				readonly = false;
				}
			}
		if(!readonly){
			concordInstance.fireCallback("opKeystroke", event);
			var keyCaptured = false;
			var commandKey = event.metaKey || event.ctrlKey;
			switch(event.which) {
				case 8:
					//Backspace
					if(concord.mobile){
						if((concordInstance.op.getLineText()=="") || (concordInstance.op.getLineText()=="<br>")){
							event.preventDefault();
							concordInstance.op.deleteLine();
							}
						}
					else {
						if(concordInstance.op.inTextMode()) {
							if(!concordInstance.op.getCursor().hasClass("dirty")){
								concordInstance.op.saveState();
								concordInstance.op.getCursor().addClass("dirty");
								}
							}else{
								keyCaptured = true;
								event.preventDefault();
								concordInstance.op.deleteLine();
								}
						}
					break;
				case 9:
					keyCaptured = true;
					event.preventDefault();
					event.stopPropagation();
					if(event.shiftKey) {
						concordInstance.op.reorg(left)
						} else {
							concordInstance.op.reorg(right);
							}
					break;
				case 65:
					//CMD+A
						if(commandKey) {
							keyCaptured = true;
							event.preventDefault();
							var cursor = concordInstance.op.getCursor();
							if(concordInstance.op.inTextMode()){
								concordInstance.op.focusCursor();
								document.execCommand('selectAll',false,null);
								}else{
									concordInstance.editor.selectionMode();
									cursor.parent().children().addClass("selected");
									}
							}
						break;
				case 85:
					//CMD+U
						if(commandKey) {
							keyCaptured = true;
							event.preventDefault();
							concordInstance.op.reorg(up);
							}
						break;
				case 68:
					//CMD+D
						if(commandKey) {
							keyCaptured = true;
							event.preventDefault();
							concordInstance.op.reorg(down);
						}
						break;
				case 76:
					//CMD+L
						if(commandKey) {
							keyCaptured = true;
							event.preventDefault();
							concordInstance.op.reorg(left);
							}
						break;
				case 82:
					//CMD+R
						if(commandKey) {
							keyCaptured = true;
							event.preventDefault();
							concordInstance.op.reorg(right);
							}
						break;
				case 219:
					//CMD+[
						if(commandKey) {
							keyCaptured = true;
							event.preventDefault();
							concordInstance.op.promote();
							}
						break;
				case 221:
					//CMD+]
						if(commandKey) {
							keyCaptured = true;
							event.preventDefault();
							concordInstance.op.demote();
							}
						break;
				case 13:
					if(concord.mobile){
						//Mobile
						event.preventDefault();
						keyCaptured=true;
						var cursor = concordInstance.op.getCursor();
						var clonedCursor = cursor.clone(true, true);
						clonedCursor.removeClass("concord-cursor");
						cursor.removeClass("selected");
						cursor.removeClass("dirty");
						cursor.removeClass("collapsed");
						concordInstance.op.setLineText("");
						var icon = "<i"+" class=\"node-icon icon-caret-right\"><"+"/i>";
						cursor.children(".concord-wrapper").children(".node-icon").replaceWith(icon);
						clonedCursor.insertBefore(cursor);
						concordInstance.op.attributes.makeEmpty();
						concordInstance.op.deleteSubs();
						concordInstance.op.focusCursor();
						concordInstance.fireCallback("opInsert", concordInstance.op.setCursorContext(cursor));
						}
					else{
						event.preventDefault();
						keyCaptured=true;
						if(event.originalEvent && ((event.originalEvent.keyLocation && (event.originalEvent.keyLocation != 0)) || (event.originalEvent.location && (event.originalEvent.location != 0))) ){
							concordInstance.op.setTextMode(!concordInstance.op.inTextMode());
							}else{
								var direction = down;
								if(concordInstance.op.subsExpanded()){
									direction=right;
									}
								var node = concordInstance.op.insert("", direction);
								concordInstance.op.setTextMode(true);
								concordInstance.op.focusCursor();
								}
						}
					break;
				case 37:
					// left
						var active = false;
						if($(event.target).hasClass("concord-text")) {
							if(event.target.selectionStart > 0) {
								active = false;
								}
							}
						if(context.find(".concord-cursor.selected").length == 1) {
							active = true;
							}
						if(active) {
							keyCaptured = true;
							event.preventDefault();
							var cursor = concordInstance.op.getCursor();
							var prev = concordInstance.op._walk_up(cursor);
							if(prev) {
								concordInstance.op.setCursor(prev);
								}
							}
						break;
				case 38:
					// up
						keyCaptured = true;
						event.preventDefault();
						if(concordInstance.op.inTextMode()){
							var cursor = concordInstance.op.getCursor();
							var prev = concordInstance.op._walk_up(cursor);
							if(prev) {
								concordInstance.op.setCursor(prev);
								}
							}else{
								concordInstance.op.go(up,1,event.shiftKey, concordInstance.op.inTextMode());
								}
						break;
				case 39:
					// right
						var active = false;
						if(context.find(".concord-cursor.selected").length == 1) {
							active = true;
							}
						if(active) {
							keyCaptured = true;
							event.preventDefault();
							var next = null;
							var cursor = concordInstance.op.getCursor();
							if(!cursor.hasClass("collapsed")) {
								var outline = cursor.children("ol");
								if(outline.length == 1) {
									var firstChild = outline.children(".concord-node:first");
									if(firstChild.length == 1) {
										next = firstChild;
									}
								}
							}
							if(!next) {
								next = concordInstance.op._walk_down(cursor);
							}
							if(next) {
								concordInstance.op.setCursor(next);
								}
							}
						break;
				case 40:
					// down
						keyCaptured = true;
						event.preventDefault();
						if(concordInstance.op.inTextMode()){
							var next = null;
							var cursor = concordInstance.op.getCursor();
							if(!cursor.hasClass("collapsed")) {
								var outline = cursor.children("ol");
								if(outline.length == 1) {
									var firstChild = outline.children(".concord-node:first");
									if(firstChild.length == 1) {
										next = firstChild;
									}
								}
							}
							if(!next) {
								next = concordInstance.op._walk_down(cursor);
							}
							if(next) {
								concordInstance.op.setCursor(next);
								}
							}else{
								concordInstance.op.go(down,1, event.shiftKey, concordInstance.op.inTextMode());
								}
						break;
				case 46:
					// delete
						if(concordInstance.op.inTextMode()) {
							if(!concordInstance.op.getCursor().hasClass("dirty")){
								concordInstance.op.saveState();
								concordInstance.op.getCursor().addClass("dirty");
								}
							}else{
								keyCaptured = true;
								event.preventDefault();
								concordInstance.op.deleteLine();
								}
						break;
				case 90:
					//CMD+Z
					if(commandKey){
						keyCaptured=true;
						event.preventDefault();
						concordInstance.op.undo();
						}
					break;
				case 88:
					//CMD+X
					if(commandKey){
						if(concordInstance.op.inTextMode()){
							if(concordInstance.op.getLineText()==""){
								keyCaptured=true;
								event.preventDefault();
								concordInstance.op.deleteLine();
								}
							else {
								concordInstance.op.saveState();
								}
							}
						}
					break;
				case 67:
					//CMD+C
					if(false&&commandKey){
						if(concordInstance.op.inTextMode()){
							if(concordInstance.op.getLineText()!=""){
								concordInstance.root.removeData("clipboard");
								}
							}else{
								keyCaptured=true;
								event.preventDefault();
								concordInstance.op.copy();
								}
						}
					break;
				case 86:
					//CMD+V
					break;
				case 220:
					// CMD+Backslash
					if(commandKey){
						if(concordInstance.script.isComment()){
							concordInstance.script.unComment();
							}else{
								concordInstance.script.makeComment();
								}
						}
					break;
				case 73:
					//CMD+I
					if(commandKey){
						keyCaptured=true;
						event.preventDefault();
						concordInstance.op.italic();
						}
					break;
				case 66:
					//CMD+B
					if(commandKey){
						keyCaptured=true;
						event.preventDefault();
						concordInstance.op.bold();
						}
					break;
				case 192:
					//CMD+`
					if(commandKey){
						keyCaptured=true;
						event.preventDefault();
						concordInstance.op.setRenderMode(!concordInstance.op.getRenderMode());
						}
					break;
				case 188:
					//CMD+,
					if(commandKey){
						keyCaptured=true;
						event.preventDefault();
						if(concordInstance.op.subsExpanded()){
							concordInstance.op.collapse();
							}else{
								concordInstance.op.expand();
								}
						}
					break;
				case 191:
					//CMD+/
					if(commandKey){
						keyCaptured=true;
						event.preventDefault();
						concordInstance.op.runSelection();
						}
					break;
				default:
					keyCaptured = false;
				}
			if(!keyCaptured) {
				if((event.which >= 32) && ((event.which < 112) || (event.which > 123)) && (event.which < 1000) && !commandKey) {
					var node = concordInstance.op.getCursor();
					if(concordInstance.op.inTextMode()) {
						if(!node.hasClass("dirty")){
							concordInstance.op.saveState();
							}
						node.addClass("dirty");
						} else {
							concordInstance.op.setTextMode(true);
							concordInstance.op.saveState();
							concordInstance.editor.edit(node, true);
							node.addClass("dirty");
							}
					concordInstance.op.markChanged();
					}
				}
			}
		});
	$(document).on("mouseup", function(event) {
		if(!concord.handleEvents){
			return;
			}
		if($(".concord-root").length==0){
			return;
			}
		if( $(event.target).is("a") || $(event.target).is("input") || $(event.target).is("textarea") || ($(event.target).parents("a:first").length==1) || $(event.target).hasClass("dropdown-menu") || ($(event.target).parents(".dropdown-menu:first").length>0)){
			return;
			}
		var context = $(event.target).parents(".concord-root:first");
		if(context.length == 0) {
			$(".concord-root").each(function() {
				var concordInstance = new ConcordOutline($(this).parent());
				concordInstance.editor.hideContextMenu();
				concordInstance.editor.dragModeExit();
				});
			var focusRoot = concord.getFocusRoot();
			}
		});
	$(document).on("click", concord.updateFocusRootEvent);
	$(document).on("dblclick", concord.updateFocusRootEvent);
	$(document).on('show', function(e){
		if($(e.target).is(".modal")){
			if($(e.target).attr("concord-events") != "true"){
				concord.stopListening();
				}
			}
		});
	$(document).on('hidden', function(e){
		if($(e.target).is(".modal")){
			if($(e.target).attr("concord-events") != "true"){
				concord.resumeListening();
				}
			}
		});
	concord.ready=true;
	})(jQuery);