wlxml: inheritance support for WLXML class methods and transformations
[fnpeditor.git] / src / wlxml / wlxml.js
index a320da3..9fb6a98 100644 (file)
@@ -2,20 +2,14 @@ define([
     'libs/jquery',
     'libs/underscore',
     'smartxml/smartxml',
-    'smartxml/transformations'
-], function($, _, smartxml, transformations) {
+    'smartxml/transformations',
+    'wlxml/extensions/metadata/metadata'
+], function($, _, smartxml, transformations, metadataExtension) {
     
 'use strict';
 
 /* globals Node */
 
-// utils
-
-var isMetaAttribute = function(attrName) {
-    return attrName.substr(0, 5) === 'meta-';
-};
-
-//
 
 var AttributesList = function() {};
 AttributesList.prototype = Object.create({});
@@ -23,10 +17,26 @@ AttributesList.prototype.keys = function() {
     return _.keys(this);
 };
 
+var getClassLists = function(klassName) {
+    var toret = [],
+        classParts = [''].concat(klassName.split('.')),
+        classCurrent;
+
+    classParts.forEach(function(part) {
+        classCurrent = classCurrent ? classCurrent + '.' + part : part;
+        toret.push(classCurrent);
+    });
+    return toret;
+};
+
 var installObject = function(instance, klass) {
-    var methods = instance.document.classMethods[klass] || {},
-        transformations = instance.document.classTransformations[klass] || {};
+    var methods = {},
+        transformations = {};
 
+    getClassLists(klass).forEach(function(klassName) {
+        _.extend(methods, instance.document.classMethods[klassName] || {});
+        _.extend(methods, instance.document.classTransformations[klassName] || {});
+    });
     instance.object = Object.create(_.extend({}, methods, transformations));
     _.keys(methods).concat(_.keys(transformations)).forEach(function(key) {
         instance.object[key] = _.bind(instance.object[key], instance);
@@ -62,27 +72,32 @@ $.extend(WLXMLElementNode.prototype, smartxml.ElementNode.prototype, {
             classDesc = this.document.options.wlxmlClasses[classCurrent];
             if(classDesc) {
                 _.keys(classDesc.attrs).forEach(function(attrName) {
-                    toret[attrName] = _.extend({value: this.getAttr('meta-' + attrName)}, classDesc.attrs[attrName]);
+                    toret[attrName] = _.extend({value: this.getAttr(attrName)}, classDesc.attrs[attrName]);
                 }.bind(this));
             }
         }.bind(this));
         return toret;
     },
     setMetaAttribute: function(key, value) {
-        this.setAttr('meta-'+key, value);
+        this.setAttr(key, value);
     },
     getOtherAttributes: function() {
-        var toret = {};
+        var toret = {},
+            node = this;
         this.getAttrs().forEach(function(attr) {
-            if(attr.name !== 'class' && !isMetaAttribute(attr.name)) {
-                toret[attr.name] = attr.value;
+            if(attr.name !== 'class' && !node.isMetaAttribute(attr.name)) {
+                toret[attr.name] = {value: attr.value};
             }
         });
         return toret;
     },
+    isMetaAttribute: function(attrName) {
+        return attrName !== 'class' &&_.contains(_.keys(this.getMetaAttributes()), attrName);
+    },
 
     _getXMLDOMToDump: function() {
-        var DOM = this._$.clone(true, true);
+        var DOM = this._$.clone(true, true),
+            doc = this.document;
 
         DOM.find('*').addBack().each(function() {
             var el = $(this),
@@ -92,7 +107,7 @@ $.extend(WLXMLElementNode.prototype, smartxml.ElementNode.prototype, {
                 data = el.data();
 
 
-            var txt;
+            var txt, documentNode, metaNode;
 
             if(data[formatter_prefix+ 'orig_before']) {
                 txt = idx > 0 && contents[idx-1].nodeType === Node.TEXT_NODE ? contents[idx-1] : null;
@@ -122,8 +137,23 @@ $.extend(WLXMLElementNode.prototype, smartxml.ElementNode.prototype, {
                     el.append(data[formatter_prefix+ 'orig_end']);
                 }
             }
+
+
+            if(this.nodeType === Node.ELEMENT_NODE) {
+                documentNode = doc.createDocumentNode(this);
+                metaNode = $('<metadata>');
+                documentNode.getMetadata().forEach(function(row) {
+                    metaNode.append('<dc:'+ row.key + '>' + row.value + '</dc:' + row.key + '>');
+                });
+                if(metaNode.children().length) {
+                    $(this).prepend(metaNode);
+                }
+            }
+
         });
 
+        
+
         return DOM;
     }
 });
@@ -146,11 +176,10 @@ var WLXMLDocumentNode = function() {
 WLXMLDocumentNode.prototype = Object.create(smartxml.DocumentNode.prototype);
 
 var WLXMLDocument = function(xml, options) {
-    smartxml.Document.call(this, xml);
-    this.options = options;
-
     this.classMethods = {};
     this.classTransformations = {};
+    smartxml.Document.call(this, xml, [metadataExtension]);
+    this.options = options;
 };
 
 var formatter_prefix = '_wlxml_formatter_';
@@ -165,6 +194,21 @@ $.extend(WLXMLDocument.prototype, {
     },
 
     normalizeXML: function(nativeNode) {
+        var doc = this,
+            prefixLength = 'dc:'.length;
+
+        $(nativeNode).find('metadata').each(function() {
+            var metadataNode = $(this),
+                owner = doc.createDocumentNode(metadataNode.parent()[0]),
+                metadata = owner.getMetadata();
+                
+            metadataNode.children().each(function() {
+                metadata.add({key: (this.tagName).toLowerCase().substr(prefixLength), value: $(this).text()}, {undoable: false});
+            });
+            metadataNode.remove();
+        });
+        nativeNode.normalize();
+
         $(nativeNode).find(':not(iframe)').addBack().contents()
             .filter(function() {return this.nodeType === Node.TEXT_NODE;})
             .each(function() {
@@ -247,6 +291,8 @@ $.extend(WLXMLDocument.prototype, {
                 /* globals document */
                 el.replaceWith(document.createTextNode(text.transformed));
             });
+        
+
     },
 
     registerClassTransformation: function(Transformation, className) {
@@ -289,8 +335,8 @@ $.extend(WLXMLDocument.prototype, {
 });
 
 var wlxmlClasses = {
-    'uri': {
-        attrs: {uri: {type: 'string'}}
+    'link': {
+        attrs: {href: {type: 'string'}}
     }
 };