'libs/jquery',
'libs/underscore',
'libs/backbone',
- 'smartxml/events'
-], function($, _, Backbone, events) {
+ 'smartxml/events',
+ 'smartxml/transformations'
+], function($, _, Backbone, events, transformations) {
'use strict';
/* globals Node */
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;
};
-// var TRANSFORMATION = function(name, implementation) {
-// //implementation._isTransformation = true;
-
-// createDumbTransformation(name, implementation, )
-
-// return implementation;
-// };
-
var DocumentNode = function(nativeNode, document) {
if(!document) {
throw new Error('undefined document for a node');
};
$.extend(DocumentNode.prototype, {
+
+ transform: function(Transformation, args) {
+ var transformation = new Transformation(this.document, this, args);
+ return this.document.transform(transformation);
+ },
+
_setNativeNode: function(nativeNode) {
this.nativeNode = nativeNode;
this._$ = $(nativeNode);
}
},
- triggerChangeEvent: function(type, metaData, origParent) {
+ triggerChangeEvent: function(type, metaData, origParent, nodeWasContained) {
var node = (metaData && metaData.node) ? metaData.node : this,
event = new events.ChangeEvent(type, $.extend({node: node}, metaData || {}));
if(type === 'nodeDetached' || this.document.containsNode(event.meta.node)) {
this.document.trigger('change', event);
}
- if((type === 'nodeAdded' || type === 'nodeMoved') && !(this.document.containsNode(this))) {
+ if((type === 'nodeAdded' || type === 'nodeMoved') && !this.document.containsNode(this) && nodeWasContained) {
event = new events.ChangeEvent('nodeDetached', {node: node, parent: origParent});
this.document.trigger('change', event);
}
return this.nativeNode.tagName.toLowerCase();
},
- contents: function() {
+ contents: function(selector) {
var toret = [],
document = this.document;
- this._$.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;
},
},
setText: function(text) {
+ //console.log('smartxml: ' + text);
this.nativeNode.data = text;
this.triggerTextChangeEvent();
},
return $($.trim(xml))[0];
};
+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 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._nodeTransformations = {};
};
$.extend(Document.prototype, Backbone.Events, {
} else if(from.nodeType === Node.ELEMENT_NODE) {
Factory = this.ElementNodeFactory;
}
- return new Factory(from, this);
+ var toret = new Factory(from, this);
+ _.extend(toret, this._nodeMethods);
+ _.extend(toret, this._nodeTransformations);
+ return toret;
},
loadXML: function(xml, options) {
return insertion.ofNode;
},
- transform: function(transformationName, args) {
- var Transformation = transformations[transformationName],
- transformation;
- if(Transformation) {
- transformation = new Transformation(args);
- transformation.run();
- this.undoStack.push(transformation);
+ registerMethod: function(methodName, method) {
+ registerMethod(methodName, method, this);
+ },
+
+ registerNodeMethod: function(methodName, method) {
+ registerMethod(methodName, method, this._nodeMethods);
+ },
+
+ registerDocumentTransformation: function(desc, name) {
+ registerTransformation(desc, name, this);
+ },
+
+ registerNodeTransformation: function(desc, name) {
+ registerTransformation(desc, name, this._nodeTransformations);
+ },
+
+ registerExtension: function(extension) {
+ //debugger;
+ var doc = this,
+ existingPropertyNames = _.values(this);
+
+ ['document', 'documentNode'].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],
+ operation;
+ operation = {document: 'registerMethod', documentNode: 'registerNodeMethod'}[dstName];
+ doc[operation](methodName, method);
+
+ });
+ }
+
+ if(dstExtension.transformations) {
+ _.pairs(dstExtension.transformations).forEach(function(pair) {
+ var name = pair[0],
+ desc = pair[1],
+ operation;
+ operation = {document: 'registerDocumentTransformation', documentNode: 'registerNodeTransformation'}[dstName];
+ doc[operation](desc, name);
+ });
+ }
+ }
+ });
+ },
+
+ 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();
+ if(this._transformationLevel === 1) {
+ this.undoStack.push(transformation);
+ }
+ this._transformationLevel--;
+ //console.log('clearing redo stack');
this.redoStack = [];
+ return toret;
} else {
- throw new Error('Transformation ' + transformationName + ' doesn\'t exist!');
+ throw new Error('Transformation ' + transformation + ' doesn\'t exist!');
}
},
undo: function() {
};
-// var registerTransformationsFromObject = function(object) {
-// _.values(object).filter(function(val) {
-// return typeof val === 'function' && val._isTransformation;
-// })
-// .forEach(function(val) {
-// registerTransformation(val._transformationName, val, object);
-// });
-// };
-// registerTransformationsFromObject(ElementNode.prototype);
-// registerTransformationsFromObject(TextNode.prototype);
-// registerTransformationsFromObject(Document.prototype);
-
-// var Transformation = function() {
-// };
-// $.extend(Transformation.prototype, {
-
-// });
-
-
-// var createDumbTransformation = function(impl, contextObject) {
-// var DumbTransformation = function(args) {
-// this.args = this.args;
-// };
-// DumbTransformation.prototype = Object.create(Transformation.prototype);
-// $.extend(DumbTransformation.prototype, {
-// run: function() {
-// impl.apply(contextObject, this.args);
-// }
-// });
-
-// return DumbTransformation;
-
-
-// };
-
-var transformations = {};
-// var registerTransformation = function(name, impl, contextObject) {
-// if(typeof impl === 'function') {
-// transformations[name] = createDumbTransformation(impl, contextObject);
-// }
-// };
-
-// registerTransformation('detachx', DocumentNode.prototype.detach, )
-
-
-// 1. detach via totalny fallback
-var DetachNodeTransformation = function(args) {
- this.node = args.node;
- this.document = this.node.document;
-};
-$.extend(DetachNodeTransformation.prototype, {
- run: function() {
- this.oldRoot = this.node.document.root.clone();
- this.path = this.node.getPath();
- this.node.detach(); // @TS
-
- },
- undo: function() {
- this.document.root.replaceWith(this.oldRoot); // this.getDocument?
- this.node = this.document.getNodeByPath(this.path);
- }
-});
-transformations['detach'] = DetachNodeTransformation;
-
-//2. detach via wskazanie changeroot
-
-var Detach2NodeTransformation = function(args) {
- this.nodePath = args.node.getPath();
- this.document = args.node.document;
-};
-$.extend(Detach2NodeTransformation.prototype, {
- run: function() {
- var node = this.document.getNodeByPath(this.nodePath),
- root = node.parent() ? node.parent() : this.document.root;
-
- this.rootPath = root.getPath();
- this.oldRoot = (root).clone();
- node.detach();
- },
- undo: function() {
- this.document.getNodeByPath(this.rootPath).replaceWith(this.oldRoot);
- }
-});
-transformations['detach2'] = Detach2NodeTransformation;
-
-//3. detach z pełnym własnym redo
-
-var Detach3NodeTransformation = function(args) {
- this.node = args.node;
- this.document = this.node.document;
-};
-$.extend(Detach3NodeTransformation.prototype, {
- run: function() {
- //this.index = this.node.getIndex();
- //this.parent = this.node.parent();
-
- this.path = this.node.getPath();
- if(this.node.isSurroundedByTextElements()) {
- this.prevText = this.node.prev().getText();
- this.nextText = this.node.next().getText();
- this.merge = true;
- } else {
- this.prevText = this.nextText = null;
- this.merge = false;
- }
-
- this.node.detach();
- },
- undo: function() {
- var parent = this.document.getNodeByPath(this.path.slice(0,-1)),
- idx = _.last(this.path);
- var inserted = parent.insertAtIndex(this.node, idx);
- if(this.merge) {
- if(inserted.next()) {
- inserted.before({text: this.prevText});
- inserted.next().setText(this.nextText);
- } else {
- inserted.prev().setText(this.prevText);
- inserted.after({text: this.nextText});
- }
- }
- }
-});
-transformations['detach3'] = Detach3NodeTransformation;
-
return {
documentFromXML: function(xml) {
return new Document(xml);
Document: Document,
DocumentNode: DocumentNode,
- ElementNode: ElementNode
+ ElementNode: ElementNode,
+ TextNode: TextNode
};
});
\ No newline at end of file
fnp / fnpeditor.git / blobdiff