X-Git-Url: https://git.mdrn.pl/fnpeditor.git/blobdiff_plain/7f617eae0ff5fae863e1fbc3b4ff527b916b98ca..7a67ffc356936a4eec4243df03fab2ad1c66c9b9:/src/smartxml/smartxml.js?ds=sidebyside diff --git a/src/smartxml/smartxml.js b/src/smartxml/smartxml.js index 021a116..831a96a 100644 --- a/src/smartxml/smartxml.js +++ b/src/smartxml/smartxml.js @@ -2,8 +2,9 @@ define([ 'libs/jquery', 'libs/underscore', 'libs/backbone', - 'smartxml/events' -], function($, _, Backbone, events) { + 'smartxml/events', + 'smartxml/transformations' +], function($, _, Backbone, events, transformations) { 'use strict'; /* globals Node */ @@ -14,12 +15,13 @@ var TEXT_NODE = Node.TEXT_NODE; var INSERTION = function(implementation) { var toret = function(node) { var insertion = this.getNodeInsertion(node), + nodeWasContained = this.document.containsNode(insertion.ofNode), nodeParent; if(!(this.document.containsNode(this))) { nodeParent = insertion.ofNode.parent(); } implementation.call(this, insertion.ofNode.nativeNode); - this.triggerChangeEvent(insertion.insertsNew ? 'nodeAdded' : 'nodeMoved', {node: insertion.ofNode}, nodeParent); + this.triggerChangeEvent(insertion.insertsNew ? 'nodeAdded' : 'nodeMoved', {node: insertion.ofNode}, nodeParent, nodeWasContained); return insertion.ofNode; }; return toret; @@ -35,13 +37,27 @@ var DocumentNode = function(nativeNode, document) { }; $.extend(DocumentNode.prototype, { + + transform: function(Transformation, args) { + var transformation = new Transformation(this.document, this, args); + return this.document.transform(transformation); + }, + _setNativeNode: function(nativeNode) { this.nativeNode = nativeNode; this._$ = $(nativeNode); }, clone: function() { - return this.document.createDocumentNode(this._$.clone(true, true)[0]); + var clone = this._$.clone(true, true); + // clone.find('*').addBack().each(function() { + // var n = $(this); + // if(n.data('canvasElement')) { + // n.data('canvasElement', $.extend(true, {}, n.data('canvasElement'))); + // n.data('canvasElement').$element = n.data('canvasElement').$element.clone(true, true); + // } + // }); + return this.document.createDocumentNode(clone[0]); }, getPath: function(ancestor) { @@ -159,13 +175,13 @@ $.extend(DocumentNode.prototype, { } }, - triggerChangeEvent: function(type, metaData, origParent) { + triggerChangeEvent: function(type, metaData, origParent, nodeWasContained) { var node = (metaData && metaData.node) ? metaData.node : this, event = new events.ChangeEvent(type, $.extend({node: node}, metaData || {})); if(type === 'nodeDetached' || this.document.containsNode(event.meta.node)) { this.document.trigger('change', event); } - if((type === 'nodeAdded' || type === 'nodeMoved') && !(this.document.containsNode(this))) { + if((type === 'nodeAdded' || type === 'nodeMoved') && !this.document.containsNode(this) && nodeWasContained) { event = new events.ChangeEvent('nodeDetached', {node: node, parent: origParent}); this.document.trigger('change', event); } @@ -221,12 +237,18 @@ $.extend(ElementNode.prototype, { return this.nativeNode.tagName.toLowerCase(); }, - contents: function() { + contents: function(selector) { var toret = [], document = this.document; - this._$.contents().each(function() { - toret.push(document.createDocumentNode(this)); - }); + if(selector) { + this._$.children(selector).each(function() { + toret.push(document.createDocumentNode(this)); + }); + } else { + this._$.contents().each(function() { + toret.push(document.createDocumentNode(this)); + }); + } return toret; }, @@ -367,6 +389,7 @@ $.extend(TextNode.prototype, { }, setText: function(text) { + //console.log('smartxml: ' + text); this.nativeNode.data = text; this.triggerTextChangeEvent(); }, @@ -444,8 +467,33 @@ var parseXML = function(xml) { return $($.trim(xml))[0]; }; +var registerTransformation = function(desc, name, target) { + var Transformation = transformations.createContextTransformation(desc, name); + target[name] = function(args) { + var instance = this; + return instance.transform(Transformation, args); + } +}; + +var registerMethod = function(methodName, method, target) { + if(target[methodName]) { + throw new Error('Cannot extend {target} with method name {methodName}. Name already exists.' + .replace('{target}', target) + .replace('{methodName}', methodName) + ); + } + target[methodName] = method; +}; + + var Document = function(xml) { this.loadXML(xml); + this.undoStack = []; + this.redoStack = []; + this._transformationLevel = 0; + + this._nodeMethods = {}; + this._nodeTransformations = {}; }; $.extend(Document.prototype, Backbone.Events, { @@ -473,7 +521,10 @@ $.extend(Document.prototype, Backbone.Events, { } else if(from.nodeType === Node.ELEMENT_NODE) { Factory = this.ElementNodeFactory; } - return new Factory(from, this); + var toret = new Factory(from, this); + _.extend(toret, this._nodeMethods); + _.extend(toret, this._nodeTransformations); + return toret; }, loadXML: function(xml, options) { @@ -620,6 +671,100 @@ $.extend(Document.prototype, Backbone.Events, { defineDocumentProperties(this, insertion.ofNode._$); insertion.ofNode.triggerChangeEvent('nodeAdded'); return insertion.ofNode; + }, + + registerMethod: function(methodName, method) { + registerMethod(methodName, method, this); + }, + + registerNodeMethod: function(methodName, method) { + registerMethod(methodName, method, this._nodeMethods); + }, + + registerDocumentTransformation: function(desc, name) { + registerTransformation(desc, name, this); + }, + + registerNodeTransformation: function(desc, name) { + registerTransformation(desc, name, this._nodeTransformations); + }, + + registerExtension: function(extension) { + //debugger; + var doc = this, + existingPropertyNames = _.values(this); + + ['document', 'documentNode'].forEach(function(dstName) { + var dstExtension = extension[dstName]; + if(dstExtension) { + if(dstExtension.methods) { + _.pairs(dstExtension.methods).forEach(function(pair) { + var methodName = pair[0], + method = pair[1], + operation; + operation = {document: 'registerMethod', documentNode: 'registerNodeMethod'}[dstName]; + doc[operation](methodName, method); + + }); + } + + if(dstExtension.transformations) { + _.pairs(dstExtension.transformations).forEach(function(pair) { + var name = pair[0], + desc = pair[1], + operation; + operation = {document: 'registerDocumentTransformation', documentNode: 'registerNodeTransformation'}[dstName]; + doc[operation](desc, name); + }); + } + } + }); + }, + + transform: function(Transformation, args) { + //console.log('transform'); + var toret, transformation; + + if(typeof Transformation === 'function') { + transformation = new Transformation(this, this, args); + } else { + transformation = Transformation; + } + if(transformation) { + this._transformationLevel++; + toret = transformation.run(); + if(this._transformationLevel === 1) { + this.undoStack.push(transformation); + } + this._transformationLevel--; + //console.log('clearing redo stack'); + this.redoStack = []; + return toret; + } else { + throw new Error('Transformation ' + transformation + ' doesn\'t exist!'); + } + }, + undo: function() { + var transformation = this.undoStack.pop(); + if(transformation) { + transformation.undo(); + this.redoStack.push(transformation); + } + }, + redo: function() { + var transformation = this.redoStack.pop(); + if(transformation) { + transformation.run(); + this.undoStack.push(transformation); + } + }, + + getNodeByPath: function(path) { + var toret = this.root; + path.forEach(function(idx) { + toret = toret.contents()[idx]; + }); + return toret; } }); @@ -632,6 +777,7 @@ var defineDocumentProperties = function(doc, $document) { }, configurable: true}); }; + return { documentFromXML: function(xml) { return new Document(xml); @@ -643,7 +789,8 @@ return { Document: Document, DocumentNode: DocumentNode, - ElementNode: ElementNode + ElementNode: ElementNode, + TextNode: TextNode }; }); \ No newline at end of file