- registerExtension: function(extension) {
- //debugger;
- var doc = this,
- existingPropertyName = _.values(this);
-
- [
- {source: extension.document, target: doc},
- {source: extension.documentNode, target: [doc.ElementNodeFactory.prototype, doc.TextNodeFactory.prototype]},
-
- ].forEach(function(x) {
- if(x.source && x.source.methods) {
- existingPropertyName = _.values(x.target)
- _.pairs(x.source.methods).forEach(function(pair) {
- var methodName = pair[0],
- method = pair[1],
- targets = _.isArray(x.target) ? x.target : [x.target];
- if(_.contains(existingPropertyName, methodName)) {
- throw new Error('Cannot extend XXX with method name {methodName}. Name already exists.'.replace('{methodName}', methodName));
- }
- targets.forEach(function(target) {
- target[methodName] = method;
- });
-
- });
- }
- });
-
-
- var getTrans = function(desc, methodName) {
- if(typeof desc === 'function') {
- desc = {impl: desc};
- }
- if(!desc.impl) {
- throw new Error('Got transformation description without implementation.')
- }
- desc.name = desc.name || methodName;
- return desc;
- };
-
- if(extension.document && extension.document.transformations) {
- _.pairs(extension.document.transformations).forEach(function(pair) {
- var transformation = getTrans(pair[1], pair[0]);
- doc.transformations.register(transformations.createContextTransformation(transformation));
- });
+ registerClassTransformation: function(Transformation, className) {
+ var thisClassTransformations = (this.classTransformations[className] = this.classTransformations[className] || {});
+ thisClassTransformations[Transformation.prototype.name] = function(args) {
+ var nodeInstance = this;
+ return nodeInstance.transform(Transformation, args);