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;
$.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);
- }
+ transform: function(Transformation, args) {
+ var transformation = new Transformation(this.document, this, args);
return this.document.transform(transformation);
},
}
},
- 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);
}
}
});
-// 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;
- }
-}));
-
-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);
};
},
setText: function(text) {
- console.log('smartxml: ' + text);
+ //console.log('smartxml: ' + text);
this.nativeNode.data = text;
this.triggerTextChangeEvent();
},
});
-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();
- }
-}));
-
+var parseXML = function(xml) {
+ return $($.trim(xml))[0];
+};
-ElementNode.prototype.transformations.register(transformations.createContextTransformation({
- name: 'smartxml.setText',
- impl: function(args) {
- this.setText(args.text);
- },
- getChangeRoot: function() {
- return this.context;
+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 parseXML = function(xml) {
- return $($.trim(xml))[0];
+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._textNodeMethods = {};
+ this._elementNodeMethods = {};
+ this._nodeTransformations = {};
+ this._textNodeTransformations = {};
+ this._elementNodeTransformations = {};
};
$.extend(Document.prototype, Backbone.Events, {
ElementNodeFactory: ElementNode,
TextNodeFactory: TextNode,
- transformations: new transformations.TransformationStorage(),
createDocumentNode: function(from) {
if(!(from instanceof Node)) {
from = node[0];
}
}
- var Factory;
+ var Factory, typeMethods, typeTransformations;
if(from.nodeType === Node.TEXT_NODE) {
Factory = this.TextNodeFactory;
+ typeMethods = this._textNodeMethods;
+ typeTransformations = this._textNodeTransformations;
} else if(from.nodeType === Node.ELEMENT_NODE) {
Factory = this.ElementNodeFactory;
- }
- return new Factory(from, this);
+ typeMethods = this._elementNodeMethods;
+ typeTransformations = this._elementNodeTransformations;
+ }
+ var toret = new Factory(from, this);
+ _.extend(toret, this._nodeMethods);
+ _.extend(toret, typeMethods);
+ _.extend(toret, this._nodeTransformations);
+ _.extend(toret, typeTransformations);
+ return toret;
},
loadXML: function(xml, options) {
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);
+ registerMethod: function(methodName, method, dstName) {
+ var doc = this;
+ var destination = {
+ document: doc,
+ documentNode: doc._nodeMethods,
+ textNode: doc._textNodeMethods,
+ elementNode: doc._elementNodeMethods
+ }[dstName];
+ registerMethod(methodName, method, destination);
+ },
+
+ registerTransformation: function(desc, name, dstName) {
+ var doc = this;
+ var destination = {
+ document: doc,
+ documentNode: doc._nodeTransformations,
+ textNode: doc._textNodeTransformations,
+ elementNode: doc._elementNodeTransformations
+ }[dstName];
+ registerTransformation(desc, name, destination);
+ },
+
+ registerExtension: function(extension) {
+ //debugger;
+ var doc = this,
+ existingPropertyNames = _.values(this);
+
+ ['document', 'documentNode', 'elementNode', 'textNode'].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];
+
+ doc.registerMethod(methodName, method, dstName);
+
+ });
+ }
+
+ if(dstExtension.transformations) {
+ _.pairs(dstExtension.transformations).forEach(function(pair) {
+ var name = pair[0],
+ desc = pair[1];
+ doc.registerTransformation(desc, name, dstName);
+ });
+ }
}
- }
+ });
+ },
+
+ 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();
- this.undoStack.push(transformation);
- console.log('clearing redo stack');
+ if(this._transformationLevel === 1) {
+ this.undoStack.push(transformation);
+ }
+ this._transformationLevel--;
+ //console.log('clearing redo stack');
this.redoStack = [];
return toret;
} else {
}, 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) {
Document: Document,
DocumentNode: DocumentNode,
- ElementNode: ElementNode
+ ElementNode: ElementNode,
+ TextNode: TextNode
};
});
\ No newline at end of file
fnp / fnpeditor.git / blobdiff