'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;
};
$.extend(DocumentNode.prototype, {
+
+ transform: function(name, args) {
+ var Transformation = this.transformations.get(name),
+ transformation;
+ if(Transformation) {
+ transformation = new Transformation(this.document, this, args);
+ }
+ return this.document.transform(transformation);
+ },
+
_setNativeNode: function(nativeNode) {
this.nativeNode = nativeNode;
this._$ = $(nativeNode);
},
clone: function() {
- return this.document.createDocumentNode(this._$.clone(true, true)[0]);
+ 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) {
}
},
- 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;
},
}
});
+// 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);
};
},
setText: function(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();
+// },
+// 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 registerTransformation = function(desc, name, target) {
+ var Transformation = transformations.createContextTransformation(desc, name);
+ target.register(Transformation);
+};
+
+
var Document = function(xml) {
this.loadXML(xml);
+ this.undoStack = [];
+ this.redoStack = [];
+ this._transformationLevel = 0;
+ this.transformations = new transformations.TransformationStorage();
+
+ this._nodeMethods = {};
+ this._nodeTransformations = new transformations.TransformationStorage();
};
$.extend(Document.prototype, Backbone.Events, {
} else if(from.nodeType === Node.ELEMENT_NODE) {
Factory = this.ElementNodeFactory;
}
- return new Factory(from, this);
+ var toret = new Factory(from, this);
+ _.extend(toret, this._nodeMethods);
+ toret.transformations = this._nodeTransformations;
+ return toret;
},
loadXML: function(xml, options) {
defineDocumentProperties(this, insertion.ofNode._$);
insertion.ofNode.triggerChangeEvent('nodeAdded');
return insertion.ofNode;
+ },
+
+ registerMethod: function(methodName, method) {
+ if(this[methodName]) {
+ throw new Error('Cannot extend document with method name {methodName}. Name already exists.'
+ .replace('{methodName}', methodName)
+ );
+ }
+ this[methodName] = method;
+ },
+
+ registerNodeMethod: function(methodName, method) {
+ if(this._nodeMethods[methodName]) {
+ throw new Error('Cannot extend document with method name {methodName}. Name already exists.'
+ .replace('{methodName}', methodName)
+ );
+ }
+ this._nodeMethods[methodName] = method;
+ },
+
+ registerDocumentTransformation: function(desc, name) {
+ registerTransformation(desc, name, this.transformations);
+ },
+
+ 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 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;
}
});
}, 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);
Document: Document,
DocumentNode: DocumentNode,
- ElementNode: ElementNode
+ ElementNode: ElementNode,
+ TextNode: TextNode
};
});
\ No newline at end of file