X-Git-Url: https://git.mdrn.pl/fnpeditor.git/blobdiff_plain/ba1e24e73cbeef44c1a08c8d225cc12923f3dfd6..575435e1d6c772414286d891fbeb2956cd7f6753:/src/wlxml/wlxml.js diff --git a/src/wlxml/wlxml.js b/src/wlxml/wlxml.js index 1619e57..7c5207a 100644 --- a/src/wlxml/wlxml.js +++ b/src/wlxml/wlxml.js @@ -1,6 +1,9 @@ define([ - 'smartxml/smartxml' -], function(smartxml) { + 'libs/jquery', + 'libs/underscore', + 'smartxml/smartxml', + 'smartxml/transformations' +], function($, _, smartxml, transformations) { 'use strict'; @@ -12,24 +15,71 @@ var isMetaAttribute = function(attrName) { // +var AttributesList = function() {}; +AttributesList.prototype = Object.create({}); +AttributesList.prototype.keys = function() { + return _.keys(this); +}; + +var installObject = function(instance, klass) { + var methods = instance.document.classMethods[klass] || instance.document.classTransformations; + if(methods) { + instance.object = Object.create(_.extend({ + transform: function(name, args) { + // TODO: refactor with DocumentElement.transform + var Transformation = instance.document.classTransformations[klass].get(name), + transformation; + if(Transformation) { + transformation = new Transformation(instance.document, instance, args); + } + return instance.document.transform(transformation); + } + }, methods)); + _.keys(methods).forEach(function(key) { + instance.object[key] = _.bind(instance.object[key], instance); + }); + } +} + var WLXMLElementNode = function(nativeNode, document) { smartxml.ElementNode.call(this, nativeNode, document); + installObject(this, this.getClass()); }; WLXMLElementNode.prototype = Object.create(smartxml.ElementNode.prototype); $.extend(WLXMLElementNode.prototype, smartxml.ElementNode.prototype, { getClass: function() { - return this.getAttr('class'); + return this.getAttr('class') || ''; + }, + setClass: function(klass) { + var methods, object; + if(klass !== this.klass) { + installObject(this, klass); + return this.setAttr('class', klass); + } + }, + is: function(klass) { + return this.getClass().substr(0, klass.length) === klass; }, getMetaAttributes: function() { - var toret = {}; - this.getAttrs().forEach(function(attr) { - if(isMetaAttribute(attr.name)) { - toret[attr.name.substr(5)] = attr.value; + var toret = new AttributesList(), + classParts = [''].concat(this.getClass().split('.')), + classCurrent, classDesc; + + classParts.forEach(function(part) { + classCurrent = classCurrent ? classCurrent + '.' + part : part; + 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]); + }.bind(this)); } - }); + }.bind(this)); return toret; }, + setMetaAttribute: function(key, value) { + this.setAttr('meta-'+key, value); + }, getOtherAttributes: function() { var toret = {}; this.getAttrs().forEach(function(attr) { @@ -38,22 +88,277 @@ $.extend(WLXMLElementNode.prototype, smartxml.ElementNode.prototype, { } }); return toret; + }, + + _getXMLDOMToDump: function() { + var DOM = this._$.clone(true, true); + + DOM.find('*').addBack().each(function() { + var el = $(this), + parent = el.parent(), + contents = parent.contents(), + idx = contents.index(el), + data = el.data(); + + + var txt; + + if(data[formatter_prefix+ 'orig_before']) { + txt = idx > 0 && contents[idx-1].nodeType === Node.TEXT_NODE ? contents[idx-1] : null; + if(txt && txt.data === data[formatter_prefix + 'orig_before_transformed']) { + txt.data = data[formatter_prefix+ 'orig_before_original']; + } else { + el.before(data[formatter_prefix+ 'orig_before']); + } + } + if(data[formatter_prefix+ 'orig_after']) { + txt = idx < contents.length-1 && contents[idx+1].nodeType === Node.TEXT_NODE ? contents[idx+1] : null; + if(txt && txt.data === data[formatter_prefix + 'orig_after_transformed']) { + txt.data = data[formatter_prefix+ 'orig_after_original']; + } else { + el.after(data[formatter_prefix+ 'orig_after']); + } + } + if(data[formatter_prefix+ 'orig_begin']) { + el.prepend(data[formatter_prefix+ 'orig_begin']); + } + if(data[formatter_prefix+ 'orig_end']) { + contents = el.contents(); + txt = (contents.length && contents[contents.length-1].nodeType === Node.TEXT_NODE) ? contents[contents.length-1] : null; + if(txt && txt.data === data[formatter_prefix + 'orig_end_transformed']) { + txt.data = data[formatter_prefix+ 'orig_end_original']; + } else { + el.append(data[formatter_prefix+ 'orig_end']); + } + } + }); + + return DOM; } }); +// WLXMLElementNode.prototype.transformations.register(transformations.createContextTransformation({ +// name: 'wlxml.setMetaAttribute', +// impl: function(args) { +// this.setMetaAttribute(args.name, args.value); +// }, +// getChangeRoot: function() { +// return this.context; +// } +// })); + + -var WLXMLDocument = function(xml) { +var WLXMLDocumentNode = function() { + smartxml.DocumentNode.apply(this, arguments); +} +WLXMLDocumentNode.prototype = Object.create(smartxml.DocumentNode.prototype); + +var WLXMLDocument = function(xml, options) { smartxml.Document.call(this, xml); + this.options = options; + + this.classMethods = {}; + this.classTransformations = {}; }; + +var formatter_prefix = '_wlxml_formatter_'; + + WLXMLDocument.prototype = Object.create(smartxml.Document.prototype); $.extend(WLXMLDocument.prototype, { - ElementNodeFactory: WLXMLElementNode + ElementNodeFactory: WLXMLElementNode, + loadXML: function(xml) { + smartxml.Document.prototype.loadXML.call(this, xml, {silent: true}); + $(this.dom).find(':not(iframe)').addBack().contents() + .filter(function() {return this.nodeType === Node.TEXT_NODE;}) + .each(function() { + var el = $(this), + text = {original: el.text(), trimmed: $.trim(el.text())}, + elParent = el.parent(), + hasSpanParent = elParent.prop('tagName') === 'SPAN', + hasSpanBefore = el.prev().length && $(el.prev()).prop('tagName') === 'SPAN', + hasSpanAfter = el.next().length && $(el.next()).prop('tagName') === 'SPAN'; + + + var addInfo = function(toAdd, where, transformed, original) { + var parentContents = elParent.contents(), + idx = parentContents.index(el[0]), + prev = idx > 0 ? parentContents[idx-1] : null, + next = idx < parentContents.length - 1 ? parentContents[idx+1] : null, + target, key; + + if(where === 'above') { + target = prev ? $(prev) : elParent; + key = prev ? 'orig_after' : 'orig_begin'; + } else if(where === 'below') { + target = next ? $(next) : elParent; + key = next ? 'orig_before' : 'orig_end'; + } else { throw new Error();} + + target.data(formatter_prefix + key, toAdd); + if(transformed !== undefined) { + target.data(formatter_prefix + key + '_transformed', transformed); + } + if(original !== undefined) { + target.data(formatter_prefix + key + '_original', original); + } + }; + + text.transformed = text.trimmed; + + if(hasSpanParent || hasSpanBefore || hasSpanAfter) { + var startSpace = /\s/g.test(text.original.substr(0,1)), + endSpace = /\s/g.test(text.original.substr(-1)) && text.original.length > 1; + text.transformed = (startSpace && (hasSpanParent || hasSpanBefore) ? ' ' : ''); + text.transformed += text.trimmed; + text.transformed += (endSpace && (hasSpanParent || hasSpanAfter) ? ' ' : ''); + } else { + if(text.trimmed.length === 0 && text.original.length > 0 && elParent.contents().length === 1) { + text.transformed = ' '; + } + } + + if(!text.transformed) { + addInfo(text.original, 'below'); + el.remove(); + return true; // continue + } + + if(text.transformed !== text.original) { + // if(!text.trimmed) { + // addInfo(text.original, 'below'); + // } else { + var startingMatch = text.original.match(/^\s+/g), + endingMatch = text.original.match(/\s+$/g), + startingWhiteSpace = startingMatch ? startingMatch[0] : null, + endingWhiteSpace = endingMatch ? endingMatch[0] : null; + + if(endingWhiteSpace) { + if(text.transformed[text.transformed.length - 1] === ' ' && endingWhiteSpace[0] === ' ') { + endingWhiteSpace = endingWhiteSpace.substr(1); + } + addInfo(endingWhiteSpace, 'below', !text.trimmed ? text.transformed : undefined, !text.trimmed ? text.original : undefined); + } + + if(startingWhiteSpace && text.trimmed) { + if(text.transformed[0] === ' ' && startingWhiteSpace[startingWhiteSpace.length-1] === ' ') { + startingWhiteSpace = startingWhiteSpace.substr(0, startingWhiteSpace.length -1); + } + addInfo(startingWhiteSpace, 'above', !text.trimmed ? text.transformed : undefined, !text.trimmed ? text.original : undefined); + } + //} + } + + el.replaceWith(document.createTextNode(text.transformed)); + }); + this.trigger('contentSet'); + }, + + registerClassTransformation: function(Transformation, className) { + var thisClassTransformations = (this.classTransformations[className] = this.classTransformations[className] || new transformations.TransformationStorage()); + return thisClassTransformations.register(Transformation); + }, + + registerClassMethod: function(methodName, method, className) { + var thisClassMethods = (this.classMethods[className] = this.classMethods[className] || {}); + thisClassMethods[methodName] = method; + }, + + registerExtension: function(extension) { + //debugger; + var doc = this, + existingPropertyNames = _.values(this); + + 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; + }; + + [ + {source: extension.document, target: doc}, + {source: extension.documentNode, target: [doc.ElementNodeFactory.prototype, doc.TextNodeFactory.prototype]}, + + ].forEach(function(mapping) { + if(mapping.source) { + if(mapping.source.methods) { + existingPropertyNames = _.values(mapping.target) + _.pairs(mapping.source.methods).forEach(function(pair) { + var methodName = pair[0], + method = pair[1], + targets = _.isArray(mapping.target) ? mapping.target : [mapping.target]; + if(_.contains(existingPropertyNames, methodName)) { + throw new Error('Cannot extend {target} with method name {methodName}. Name already exists.' + .replace('{target}', mapping.target) + .replace('{methodName}', methodName) + ); + } + targets.forEach(function(target) { + if(target === doc) { + target.registerMethod(methodName, method); + } else { + doc.registerNodeMethod(methodName, method); + } + + }); + }); + } + + if(mapping.source.transformations) { + _.pairs(mapping.source.transformations).forEach(function(pair) { + var transformation = getTrans(pair[1], pair[0]), + targets = _.isArray(mapping.target) ? mapping.target : [mapping.target]; + targets.forEach(function(target) { + if(target === doc) { + target.registerTransformation(transformations.createContextTransformation(transformation)); + } else { + doc.registerNodeTransformation(transformations.createContextTransformation(transformation)); + } + + + }); + }); + } + } + }); + + _.pairs(extension.wlxmlClass).forEach(function(pair) { + var className = pair[0], + classExtension = pair[1]; + + _.pairs(classExtension.methods || {}).forEach(function(pair) { + var name = pair[0], + method = pair[1]; + doc.registerClassMethod(name, method, className); + }); + + _.pairs(classExtension.transformations || {}).forEach(function(pair) { + var transformation = getTrans(pair[1], pair[0]); + doc.registerClassTransformation(transformations.createContextTransformation(transformation), className); + }); + }); + + } + }); +var wlxmlClasses = { + 'uri': { + attrs: {uri: {type: 'string'}} + } +}; + return { - WLXMLDocumentFromXML: function(xml) { - return new WLXMLDocument(xml); + WLXMLDocumentFromXML: function(xml, options) { + options = _.extend({wlxmlClasses: wlxmlClasses}, options); + return new WLXMLDocument(xml, options); }, WLXMLElementNodeFromXML: function(xml) {