6 'smartxml/transformations',
8 ], function($, _, Backbone, events, transformations, coreTransformations) {
13 var TEXT_NODE = Node.TEXT_NODE;
17 var DocumentNode = function(nativeNode, document) {
19 throw new Error('undefined document for a node');
21 this.document = document;
22 this._setNativeNode(nativeNode);
26 $.extend(DocumentNode.prototype, {
28 transform: function(Transformation, args) {
29 var transformation = new Transformation(this.document, this, args);
30 return this.document.transform(transformation);
33 _setNativeNode: function(nativeNode) {
34 this.nativeNode = nativeNode;
35 this._$ = $(nativeNode);
39 var clone = this._$.clone(true, true);
40 // clone.find('*').addBack().each(function() {
42 // if(n.data('canvasElement')) {
43 // n.data('canvasElement', $.extend(true, {}, n.data('canvasElement')));
44 // n.data('canvasElement').$element = n.data('canvasElement').$element.clone(true, true);
47 return this.document.createDocumentNode(clone[0]);
50 getPath: function(ancestor) {
51 var nodePath = [this].concat(this.parents()),
53 ancestor = ancestor || this.document.root;
55 nodePath.some(function(node, i) {
56 if(node.sameNode(ancestor)) {
62 if(idx !== 'undefined') {
63 nodePath = nodePath.slice(0, idx);
65 toret = nodePath.map(function(node) {return node.getIndex(); });
71 return this.document.root.sameNode(this);
74 sameNode: function(otherNode) {
75 return !!(otherNode) && this.nativeNode === otherNode.nativeNode;
79 var parentNode = this.nativeNode.parentNode;
80 if(parentNode && parentNode.nodeType === Node.ELEMENT_NODE) {
81 return this.document.createDocumentNode(parentNode);
87 var parent = this.parent(),
88 parents = parent ? parent.parents() : [];
90 parents.unshift(parent);
96 var myIdx = this.getIndex();
97 return myIdx > 0 ? this.parent().contents()[myIdx-1] : null;
104 var myIdx = this.getIndex(),
105 parentContents = this.parent().contents();
106 return myIdx < parentContents.length - 1 ? parentContents[myIdx+1] : null;
109 isSurroundedByTextElements: function() {
110 var prev = this.prev(),
112 return prev && (prev.nodeType === Node.TEXT_NODE) && next && (next.nodeType === Node.TEXT_NODE);
115 triggerChangeEvent: function(type, metaData, origParent, nodeWasContained) {
116 var node = (metaData && metaData.node) ? metaData.node : this,
117 event = new events.ChangeEvent(type, $.extend({node: node}, metaData || {}));
118 if(type === 'nodeDetached' || this.document.containsNode(event.meta.node)) {
119 this.document.trigger('change', event);
121 if((type === 'nodeAdded' || type === 'nodeMoved') && !this.document.containsNode(this) && nodeWasContained) {
122 event = new events.ChangeEvent('nodeDetached', {node: node, parent: origParent});
123 this.document.trigger('change', event);
127 getNodeInsertion: function(node) {
128 return this.document.getNodeInsertion(node);
131 getIndex: function() {
135 return this.parent().indexOf(this);
140 var ElementNode = function(nativeNode, document) {
141 DocumentNode.call(this, nativeNode, document);
143 ElementNode.prototype = Object.create(DocumentNode.prototype);
145 $.extend(ElementNode.prototype, {
146 nodeType: Node.ELEMENT_NODE,
148 setData: function(key, value) {
149 if(value !== undefined) {
150 this._$.data(key, value);
152 this._$.removeData(_.keys(this._$.data()));
157 getData: function(key) {
159 return this._$.data(key);
161 return this._$.data();
164 getTagName: function() {
165 return this.nativeNode.tagName.toLowerCase();
168 contents: function(selector) {
170 document = this.document;
172 this._$.children(selector).each(function() {
173 toret.push(document.createDocumentNode(this));
176 this._$.contents().each(function() {
177 toret.push(document.createDocumentNode(this));
183 indexOf: function(node) {
184 return this._$.contents().index(node._$);
187 getAttr: function(name) {
188 return this._$.attr(name);
191 getAttrs: function() {
193 for(var i = 0; i < this.nativeNode.attributes.length; i++) {
194 toret.push(this.nativeNode.attributes[i]);
200 var wrapper = $('<div>');
201 wrapper.append(this._getXMLDOMToDump());
202 return wrapper.html();
205 _getXMLDOMToDump: function() {
211 var TextNode = function(nativeNode, document) {
212 DocumentNode.call(this, nativeNode, document);
214 TextNode.prototype = Object.create(DocumentNode.prototype);
216 $.extend(TextNode.prototype, {
217 nodeType: Node.TEXT_NODE,
219 getText: function() {
220 return this.nativeNode.data;
223 triggerTextChangeEvent: function() {
224 var event = new events.ChangeEvent('nodeTextChange', {node: this});
225 this.document.trigger('change', event);
230 var parseXML = function(xml) {
231 return $($.trim(xml))[0];
234 var registerTransformation = function(desc, name, target) {
235 var Transformation = transformations.createContextTransformation(desc, name);
236 //+ to sie powinna nazywac registerTransformationFromDesc or sth
237 //+ ew. spr czy nie override (tylko jesli powyzej sa prototypy to trudno do nich dojsc)
238 target[name] = function() {
240 args = Array.prototype.slice.call(arguments, 0);
241 return instance.transform(Transformation, args);
245 var registerMethod = function(methodName, method, target) {
246 if(target[methodName]) {
247 throw new Error('Cannot extend {target} with method name {methodName}. Name already exists.'
248 .replace('{target}', target)
249 .replace('{methodName}', methodName)
252 target[methodName] = method;
256 var Document = function(xml) {
260 this._transformationLevel = 0;
262 this._nodeMethods = {};
263 this._textNodeMethods = {};
264 this._elementNodeMethods = {};
265 this._nodeTransformations = {};
266 this._textNodeTransformations = {};
267 this._elementNodeTransformations = {};
270 $.extend(Document.prototype, Backbone.Events, {
271 ElementNodeFactory: ElementNode,
272 TextNodeFactory: TextNode,
274 createDocumentNode: function(from) {
275 if(!(from instanceof Node)) {
276 if(from.text !== undefined) {
277 /* globals document */
278 from = document.createTextNode(from.text);
280 var node = $('<' + from.tagName + '>');
282 _.keys(from.attrs || {}).forEach(function(key) {
283 node.attr(key, from.attrs[key]);
289 var Factory, typeMethods, typeTransformations;
290 if(from.nodeType === Node.TEXT_NODE) {
291 Factory = this.TextNodeFactory;
292 typeMethods = this._textNodeMethods;
293 typeTransformations = this._textNodeTransformations;
294 } else if(from.nodeType === Node.ELEMENT_NODE) {
295 Factory = this.ElementNodeFactory;
296 typeMethods = this._elementNodeMethods;
297 typeTransformations = this._elementNodeTransformations;
299 var toret = new Factory(from, this);
300 _.extend(toret, this._nodeMethods);
301 _.extend(toret, typeMethods);
303 _.extend(toret, this._nodeTransformations);
304 _.extend(toret, typeTransformations);
306 toret.__super__ = _.extend({}, this._nodeMethods, this._nodeTransformations);
307 _.keys(toret.__super__).forEach(function(key) {
308 toret.__super__[key] = _.bind(toret.__super__[key], toret);
314 loadXML: function(xml, options) {
315 options = options || {};
316 this._defineDocumentProperties($(parseXML(xml)));
317 if(!options.silent) {
318 this.trigger('contentSet');
323 return this.root.toXML();
326 containsNode: function(node) {
327 return this.root && (node.nativeNode === this.root.nativeNode || node._$.parents().index(this.root._$) !== -1);
330 getSiblingParents: function(params) {
331 var parents1 = [params.node1].concat(params.node1.parents()).reverse(),
332 parents2 = [params.node2].concat(params.node2.parents()).reverse(),
333 noSiblingParents = null;
335 if(parents1.length === 0 || parents2.length === 0 || !(parents1[0].sameNode(parents2[0]))) {
336 return noSiblingParents;
340 for(i = 0; i < Math.min(parents1.length, parents2.length); i++) {
341 if(parents1[i].sameNode(parents2[i])) {
346 return {node1: parents1[i], node2: parents2[i]};
349 trigger: function() {
350 //console.log('trigger: ' + arguments[0] + (arguments[1] ? ', ' + arguments[1].type : ''));
351 Backbone.Events.trigger.apply(this, arguments);
354 getNodeInsertion: function(node) {
356 if(node instanceof DocumentNode) {
357 insertion.ofNode = node;
358 insertion.insertsNew = !this.containsNode(node);
360 insertion.ofNode = this.createDocumentNode(node);
361 insertion.insertsNew = true;
366 registerMethod: function(methodName, method, dstName) {
370 documentNode: doc._nodeMethods,
371 textNode: doc._textNodeMethods,
372 elementNode: doc._elementNodeMethods
374 registerMethod(methodName, method, destination);
377 registerTransformation: function(desc, name, dstName) {
381 documentNode: doc._nodeTransformations,
382 textNode: doc._textNodeTransformations,
383 elementNode: doc._elementNodeTransformations
385 registerTransformation(desc, name, destination);
388 registerExtension: function(extension) {
391 existingPropertyNames = _.values(this);
393 ['document', 'documentNode', 'elementNode', 'textNode'].forEach(function(dstName) {
394 var dstExtension = extension[dstName];
396 if(dstExtension.methods) {
397 _.pairs(dstExtension.methods).forEach(function(pair) {
398 var methodName = pair[0],
401 doc.registerMethod(methodName, method, dstName);
406 if(dstExtension.transformations) {
407 _.pairs(dstExtension.transformations).forEach(function(pair) {
410 doc.registerTransformation(desc, name, dstName);
417 transform: function(Transformation, args) {
418 //console.log('transform');
419 var toret, transformation;
421 // ref: odrebnie przygotowanie transformacji, odrebnie jej wykonanie (to pierwsze to analog transform z node)
423 if(typeof Transformation === 'function') {
424 transformation = new Transformation(this, this, args);
426 transformation = Transformation;
429 this._transformationLevel++;
430 toret = transformation.run();
431 if(this._transformationLevel === 1) {
432 this.undoStack.push(transformation);
434 this._transformationLevel--;
435 //console.log('clearing redo stack');
439 throw new Error('Transformation ' + transformation + ' doesn\'t exist!');
443 var transformation = this.undoStack.pop();
445 transformation.undo();
446 this.redoStack.push(transformation);
450 var transformation = this.redoStack.pop();
452 transformation.run();
453 this.undoStack.push(transformation);
457 getNodeByPath: function(path) {
458 var toret = this.root;
459 path.forEach(function(idx) {
460 toret = toret.contents()[idx];
465 _defineDocumentProperties: function($document) {
467 Object.defineProperty(doc, 'root', {get: function() {
468 return doc.createDocumentNode($document[0]);
469 }, configurable: true});
470 Object.defineProperty(doc, 'dom', {get: function() {
472 }, configurable: true});
478 documentFromXML: function(xml) {
479 var doc = new Document(xml);
480 doc.registerExtension(coreTransformations);
484 elementNodeFromXML: function(xml) {
485 return this.documentFromXML(xml).root;
489 DocumentNode: DocumentNode,
490 ElementNode: ElementNode,