X-Git-Url: https://git.mdrn.pl/fnpeditor.git/blobdiff_plain/bc95fc1358ca35ecbd410d50b3c8c40e1afe0fa9..ea602146cf83203fe89e24dcba3f0b055577e88c:/src/smartxml/smartxml.js?ds=inline diff --git a/src/smartxml/smartxml.js b/src/smartxml/smartxml.js index 6f4677b..8110a97 100644 --- a/src/smartxml/smartxml.js +++ b/src/smartxml/smartxml.js @@ -2,20 +2,26 @@ define([ 'libs/jquery', 'libs/underscore', 'libs/backbone', - 'smartxml/events' -], function($, _, Backbone, events) { + 'smartxml/events', + 'smartxml/transformations' +], function($, _, Backbone, events, transformations) { 'use strict'; - +/* globals Node */ var TEXT_NODE = Node.TEXT_NODE; var INSERTION = function(implementation) { var toret = function(node) { - var insertion = this.getNodeInsertion(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}); + this.triggerChangeEvent(insertion.insertsNew ? 'nodeAdded' : 'nodeMoved', {node: insertion.ofNode}, nodeParent, nodeWasContained); return insertion.ofNode; }; return toret; @@ -31,11 +37,55 @@ var DocumentNode = function(nativeNode, document) { }; $.extend(DocumentNode.prototype, { + + transformations: new transformations.TransformationStorage(), + + transform: function(name, args) { + var Transformation = this.transformations.get(name), + transformation; + if(Transformation) { + transformation = new Transformation(this.document, this, args); + } + return this.document.transform(transformation); + }, + _setNativeNode: function(nativeNode) { this.nativeNode = nativeNode; this._$ = $(nativeNode); }, + clone: function() { + var clone = this._$.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) { + var nodePath = [this].concat(this.parents()), + toret, idx; + ancestor = ancestor || this.document.root; + + nodePath.some(function(node, i) { + if(node.sameNode(ancestor)) { + idx = i; + return true; + } + }); + + if(idx !== 'undefined') { + nodePath = nodePath.slice(0, idx); + } + toret = nodePath.map(function(node) {return node.getIndex(); }); + toret.reverse(); + return toret; + }, + isRoot: function() { return this.document.root.sameNode(this); }, @@ -47,8 +97,18 @@ $.extend(DocumentNode.prototype, { return this; }, + replaceWith: function(node) { + var toret; + if(this.isRoot()) { + return this.document.replaceRoot(node); + } + toret = this.after(node); + this.detach(); + return toret; + }, + sameNode: function(otherNode) { - return otherNode && this.nativeNode === otherNode.nativeNode; + return !!(otherNode) && this.nativeNode === otherNode.nativeNode; }, parent: function() { @@ -121,23 +181,20 @@ $.extend(DocumentNode.prototype, { } }, - triggerChangeEvent: function(type, metaData) { - var event = new events.ChangeEvent(type, $.extend({node: this}, metaData || {})); + 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) && nodeWasContained) { + event = new events.ChangeEvent('nodeDetached', {node: node, parent: origParent}); + this.document.trigger('change', event); + } }, getNodeInsertion: function(node) { - var insertion = {}; - if(node instanceof DocumentNode) { - insertion.ofNode = node; - insertion.insertsNew = !this.document.containsNode(node); - } else { - insertion.ofNode = this.document.createDocumentNode(node); - insertion.insertsNew = true; - } - return insertion; + return this.document.getNodeInsertion(node); }, getIndex: function() { @@ -158,7 +215,7 @@ $.extend(ElementNode.prototype, { detach: function() { var next; - if(parent && this.isSurroundedByTextElements()) { + if(this.parent() && this.isSurroundedByTextElements()) { next = this.next(); this.prev().appendText(next.getText()); next.detach(); @@ -186,12 +243,18 @@ $.extend(ElementNode.prototype, { return this.nativeNode.tagName.toLowerCase(); }, - contents: function() { + contents: function(selector) { var toret = [], document = this.document; - this._$.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; }, @@ -246,6 +309,15 @@ $.extend(ElementNode.prototype, { this._$.prepend(nativeNode); }), + insertAtIndex: function(nativeNode, index) { + var contents = this.contents(); + if(index < contents.length) { + return contents[index].before(nativeNode); + } else if(index === contents.length) { + return this.append(nativeNode); + } + }, + unwrapContent: function() { var parent = this.parent(); if(!parent) { @@ -310,6 +382,63 @@ $.extend(ElementNode.prototype, { } }); +// trans + +// todo - split+append + +ElementNode.prototype.transformations.register(transformations.createContextTransformation({ + name: 'smartxml.setAttr', + impl: function(args) { + this.setAttr(args.name, args.value); + }, + getChangeRoot: function() { + return this.context; + } +})); + +ElementNode.prototype.transformations.register(transformations.createContextTransformation({ + name: 'smartxml.setAttr2', + impl: function(args) { + this.prevAttr = this.getAttr(args.name); + this.setAttr(args.name, args.value); + }, + undo: function(args) { + this.setAttr(args.name, this.prevAttr); + } +})); + +DocumentNode.prototype.transformations.register(transformations.createContextTransformation({ + name: 'smartxml.wrapWith', + getChangeRoot: function() { + return this.context.parent(); + }, + impl: function(args) { + return this.wrapWith(args); + } +})); + +DocumentNode.prototype.transformations.register(transformations.createContextTransformation({ + name: 'smartxml.wrapText', + getChangeRoot: function() { + return this.context; + }, + impl: function(args) { + return this.wrapText(args); + } +})); + +DocumentNode.prototype.transformations.register(transformations.createContextTransformation({ + name: 'smartxml.detach', + getChangeRoot: function() { + return this.context.parent(); + }, + impl: function(args) { + return this.detach(); + } +})); + +/// + var TextNode = function(nativeNode, document) { DocumentNode.call(this, nativeNode, document); }; @@ -323,6 +452,7 @@ $.extend(TextNode.prototype, { }, setText: function(text) { + //console.log('smartxml: ' + text); this.nativeNode.data = text; this.triggerTextChangeEvent(); }, @@ -396,21 +526,75 @@ $.extend(TextNode.prototype, { }); +TextNode.prototype.transformations.register(transformations.createContextTransformation({ + name: 'rng.breakContent', + // impl: function(args) { + // var node = this.context, + // newNodes, emptyNode, emptyText; + // newNodes = node.transform('smartxml.split', {offset: args.offset}); + // [newNodes.first, newNodes.second].some(function(newNode) { + // if(!(newNode.contents().length)) { + // newNode.transform('smartxml.append', {text: ''}); + // return true; // break + // } + // }); + // return _.extend(newNodes, {emptyText: emptyText}); + // }, + impl: function(args) { + var node = this, + newNodes, emptyNode, emptyText; + newNodes = node.split({offset: args.offset}); + [newNodes.first, newNodes.second].some(function(newNode) { + if(!(newNode.contents().length)) { + newNode.append({text: ''}); + return true; // break + } + }); + return _.extend(newNodes, {emptyText: emptyText}); + }, + getChangeRoot: function() { + return this.context.parent().parent(); + }, + isAllowed: function(args) { + var parent = this.parent(); + return !!(parent && parent.parent()); + } +})); + + +ElementNode.prototype.transformations.register(transformations.createContextTransformation({ + name: 'smartxml.setText', + impl: function(args) { + this.setText(args.text); + }, + getChangeRoot: function() { + return this.context; + } +})); + + var parseXML = function(xml) { return $($.trim(xml))[0]; }; var Document = function(xml) { this.loadXML(xml); + this.undoStack = []; + this.redoStack = []; + this._transformationLevel = 0; + this.transformations = new transformations.TransformationStorage(); + }; $.extend(Document.prototype, Backbone.Events, { ElementNodeFactory: ElementNode, TextNodeFactory: TextNode, + transformations: new transformations.TransformationStorage(), createDocumentNode: function(from) { if(!(from instanceof Node)) { if(from.text !== undefined) { + /* globals document */ from = document.createTextNode(from.text); } else { var node = $('<' + from.tagName + '>'); @@ -448,17 +632,17 @@ $.extend(Document.prototype, Backbone.Events, { }, wrapNodes: function(params) { - if(!(params.element1.parent().sameNode(params.element2.parent()))) { + if(!(params.node1.parent().sameNode(params.node2.parent()))) { throw new Error('Wrapping non-sibling nodes not supported.'); } - var parent = params.element1.parent(), + var parent = params.node1.parent(), parentContents = parent.contents(), wrapper = this.createDocumentNode({ tagName: params._with.tagName, attrs: params._with.attrs}), - idx1 = parent.indexOf(params.element1), - idx2 = parent.indexOf(params.element2); + idx1 = parent.indexOf(params.node1), + idx2 = parent.indexOf(params.node2); if(idx1 > idx2) { var tmp = idx1; @@ -555,6 +739,72 @@ $.extend(Document.prototype, Backbone.Events, { trigger: function() { //console.log('trigger: ' + arguments[0] + (arguments[1] ? ', ' + arguments[1].type : '')); Backbone.Events.trigger.apply(this, arguments); + }, + + getNodeInsertion: function(node) { + var insertion = {}; + if(node instanceof DocumentNode) { + insertion.ofNode = node; + insertion.insertsNew = !this.containsNode(node); + } else { + insertion.ofNode = this.createDocumentNode(node); + insertion.insertsNew = true; + } + return insertion; + }, + + replaceRoot: function(node) { + var insertion = this.getNodeInsertion(node); + this.root.detach(); + defineDocumentProperties(this, insertion.ofNode._$); + insertion.ofNode.triggerChangeEvent('nodeAdded'); + return insertion.ofNode; + }, + + transform: function(transformation, args) { + //console.log('transform'); + var Transformation, toret; + if(typeof transformation === 'string') { + Transformation = this.transformations.get(transformation); + if(Transformation) { + transformation = new Transformation(this, this, args); + } + } + 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; } }); @@ -567,6 +817,21 @@ var defineDocumentProperties = function(doc, $document) { }, configurable: true}); }; +Document.prototype.transformations.register(transformations.createContextTransformation({ + name: 'smartxml.wrapNodes', + // init: function() { + + // }, + // getChangeRoot: function() { + // return this.context; + // }, + impl: function(args) { + this.wrapNodes(args); + }, + +})); + + return { documentFromXML: function(xml) { return new Document(xml); @@ -578,7 +843,8 @@ return { Document: Document, DocumentNode: DocumentNode, - ElementNode: ElementNode + ElementNode: ElementNode, + TextNode: TextNode }; }); \ No newline at end of file