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             \n                                                                                                                                                                                                       \n\n*/\n(function (f, define) {\n    define('kendo.dom', ['kendo.core'], f);\n}(function () {\n    var __meta__ = {\n        id: 'dom',\n        name: 'Virtual DOM',\n        category: 'framework',\n        depends: ['core'],\n        advanced: true\n    };\n    (function (kendo) {\n        function Node() {\n            this.node = null;\n        }\n        Node.prototype = {\n            remove: function () {\n                this.node.parentNode.removeChild(this.node);\n                this.attr = {};\n            },\n            attr: {},\n            text: function () {\n                return '';\n            }\n        };\n        function NullNode() {\n        }\n        NullNode.prototype = {\n            nodeName: '#null',\n            attr: { style: {} },\n            children: [],\n            remove: function () {\n            }\n        };\n        var NULL_NODE = new NullNode();\n        function Element(nodeName, attr, children) {\n            this.nodeName = nodeName;\n            this.attr = attr || {};\n            this.children = children || [];\n        }\n        Element.prototype = new Node();\n        Element.prototype.appendTo = function (parent) {\n            var node = document.createElement(this.nodeName);\n            var children = this.children;\n            for (var index = 0; index < children.length; index++) {\n                children[index].render(node, NULL_NODE);\n            }\n            parent.appendChild(node);\n            return node;\n        };\n        Element.prototype.render = function (parent, cached) {\n            var node;\n            if (cached.nodeName !== this.nodeName) {\n                cached.remove();\n                node = this.appendTo(parent);\n            } else {\n                node = cached.node;\n                var index;\n                var children = this.children;\n                var length = children.length;\n                var cachedChildren = cached.children;\n                var cachedLength = cachedChildren.length;\n                if (Math.abs(cachedLength - length) > 2) {\n                    this.render({\n                        appendChild: function (node) {\n                            parent.replaceChild(node, cached.node);\n                        }\n                    }, NULL_NODE);\n                    return;\n                }\n                for (index = 0; index < length; index++) {\n                    children[index].render(node, cachedChildren[index] || NULL_NODE);\n                }\n                for (index = length; index < cachedLength; index++) {\n                    cachedChildren[index].remove();\n                }\n            }\n            this.node = node;\n            this.syncAttributes(cached.attr);\n            this.removeAttributes(cached.attr);\n        };\n        Element.prototype.syncAttributes = function (cachedAttr) {\n            var attr = this.attr;\n            for (var name in attr) {\n                var value = attr[name];\n                var cachedValue = cachedAttr[name];\n                if (name === 'style') {\n                    this.setStyle(value, cachedValue);\n                } else if (value !== cachedValue) {\n                    this.setAttribute(name, value, cachedValue);\n                }\n            }\n        };\n        Element.prototype.setStyle = function (style, cachedValue) {\n            var node = this.node;\n            var key;\n            if (cachedValue) {\n                for (key in style) {\n                    if (style[key] !== cachedValue[key]) {\n                        node.style[key] = style[key];\n                    }\n                }\n            } else {\n                for (key in style) {\n                    node.style[key] = style[key];\n                }\n            }\n        };\n        Element.prototype.removeStyle = function (cachedStyle) {\n            var style = this.attr.style || {};\n            var node = this.node;\n            for (var key in cachedStyle) {\n                if (style[key] === undefined) {\n                    node.style[key] = '';\n                }\n            }\n        };\n        Element.prototype.removeAttributes = function (cachedAttr) {\n            var attr = this.attr;\n            for (var name in cachedAttr) {\n                if (name === 'style') {\n                    this.removeStyle(cachedAttr.style);\n                } else if (attr[name] === undefined) {\n                    this.removeAttribute(name);\n                }\n            }\n        };\n        Element.prototype.removeAttribute = function (name) {\n            var node = this.node;\n            if (name === 'style') {\n                node.style.cssText = '';\n            } else if (name === 'className') {\n                node.className = '';\n            } else {\n                node.removeAttribute(name);\n            }\n        };\n        Element.prototype.setAttribute = function (name, value) {\n            var node = this.node;\n            if (node[name] !== undefined) {\n                node[name] = value;\n            } else {\n                node.setAttribute(name, value);\n            }\n        };\n        Element.prototype.text = function () {\n            var str = '';\n            for (var i = 0; i < this.children.length; ++i) {\n                str += this.children[i].text();\n            }\n            return str;\n        };\n        function TextNode(nodeValue) {\n            this.nodeValue = nodeValue;\n        }\n        TextNode.prototype = new Node();\n        TextNode.prototype.nodeName = '#text';\n        TextNode.prototype.render = function (parent, cached) {\n            var node;\n            if (cached.nodeName !== this.nodeName) {\n                cached.remove();\n                node = document.createTextNode(this.nodeValue);\n                parent.appendChild(node);\n            } else {\n                node = cached.node;\n                if (this.nodeValue !== cached.nodeValue) {\n                    node.nodeValue = this.nodeValue;\n                }\n            }\n            this.node = node;\n        };\n        TextNode.prototype.text = function () {\n            return this.nodeValue;\n        };\n        function HtmlNode(html) {\n            this.html = html;\n        }\n        HtmlNode.prototype = {\n            nodeName: '#html',\n            attr: {},\n            remove: function () {\n                for (var index = 0; index < this.nodes.length; index++) {\n                    this.nodes[index].parentNode.removeChild(this.nodes[index]);\n                }\n            },\n            render: function (parent, cached) {\n                if (cached.nodeName !== this.nodeName || cached.html !== this.html) {\n                    cached.remove();\n                    var lastChild = parent.lastChild;\n                    insertHtml(parent, this.html);\n                    this.nodes = [];\n                    for (var child = lastChild ? lastChild.nextSibling : parent.firstChild; child; child = child.nextSibling) {\n                        this.nodes.push(child);\n                    }\n                } else {\n                    this.nodes = cached.nodes.slice(0);\n                }\n            }\n        };\n        var HTML_CONTAINER = document.createElement('div');\n        function insertHtml(node, html) {\n            HTML_CONTAINER.innerHTML = html;\n            while (HTML_CONTAINER.firstChild) {\n                node.appendChild(HTML_CONTAINER.firstChild);\n            }\n        }\n        function html(value) {\n            return new HtmlNode(value);\n        }\n        function element(nodeName, attrs, children) {\n            return new Element(nodeName, attrs, children);\n        }\n        function text(value) {\n            return new TextNode(value);\n        }\n        function Tree(root) {\n            this.root = root;\n            this.children = [];\n        }\n        Tree.prototype = {\n            html: html,\n            element: element,\n            text: text,\n            render: function (children) {\n                var cachedChildren = this.children;\n                var index;\n                var length;\n                for (index = 0, length = children.length; index < length; index++) {\n                    children[index].render(this.root, cachedChildren[index] || NULL_NODE);\n                }\n                for (index = length; index < cachedChildren.length; index++) {\n                    cachedChildren[index].remove();\n                }\n                this.children = children;\n            }\n        };\n        kendo.dom = {\n            html: html,\n            text: text,\n            element: element,\n            Tree: Tree,\n            Node: Node\n        };\n    }(window.kendo));\n    return window.kendo;\n}, typeof define == 'function' && define.amd ? define : function (a1, a2, a3) {\n    (a3 || a2)();\n}));"],"sourceRoot":"/source/"}