], function($, _, Backbone, events) {
'use strict';
-
+/* globals Node */
var TEXT_NODE = Node.TEXT_NODE;
var INSERTION = function(implementation) {
var toret = function(node) {
- var insertion = this.getNodeInsertion(node);
+ var insertion = this.getNodeInsertion(node),
+ nodeParent;
+ if(!(this.document.containsNode(this))) {
+ nodeParent = insertion.ofNode.parent();
+ }
implementation.call(this, insertion.ofNode.nativeNode);
- this.triggerChangeEvent(insertion.insertsNew ? 'nodeAdded' : 'nodeMoved', {node: insertion.ofNode});
+ this.triggerChangeEvent(insertion.insertsNew ? 'nodeAdded' : 'nodeMoved', {node: insertion.ofNode}, nodeParent);
return insertion.ofNode;
};
return toret;
};
+// var TRANSFORMATION = function(name, implementation) {
+// //implementation._isTransformation = true;
+
+// createDumbTransformation(name, implementation, )
+
+// return implementation;
+// };
+
var DocumentNode = function(nativeNode, document) {
if(!document) {
throw new Error('undefined document for a node');
this._$ = $(nativeNode);
},
+ clone: function() {
+ return this.document.createDocumentNode(this._$.clone(true, true)[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);
+ },
+
detach: function() {
var parent = this.parent();
this._$.detach();
return this;
},
+ replaceWith: function(node) {
+ var toret;
+ if(this.isRoot()) {
+ return this.document.replaceRoot(node);
+ }
+ toret = this.after(node);
+ this.detach();
+ return toret;
+ },
+
sameNode: function(otherNode) {
- return otherNode && this.nativeNode === otherNode.nativeNode;
+ return !!(otherNode) && this.nativeNode === otherNode.nativeNode;
},
parent: function() {
var parentNode = this.nativeNode.parentNode;
if(parentNode && parentNode.nodeType === Node.ELEMENT_NODE) {
- return this.document.createElementNode(parentNode);
+ return this.document.createDocumentNode(parentNode);
}
return null;
},
return parents;
},
+ prev: function() {
+ var myIdx = this.getIndex();
+ return myIdx > 0 ? this.parent().contents()[myIdx-1] : null;
+ },
+
+ next: function() {
+ if(this.isRoot()) {
+ return null;
+ }
+ var myIdx = this.getIndex(),
+ parentContents = this.parent().contents();
+ return myIdx < parentContents.length - 1 ? parentContents[myIdx+1] : null;
+ },
+
+ isSurroundedByTextElements: function() {
+ var prev = this.prev(),
+ next = this.next();
+ return prev && (prev.nodeType === Node.TEXT_NODE) && next && (next.nodeType === Node.TEXT_NODE);
+ },
+
after: INSERTION(function(nativeNode) {
return this._$.after(nativeNode);
}),
}),
wrapWith: function(node) {
- node = node instanceof ElementNode ? node : this.document.createElementNode(node);
-
+ var insertion = this.getNodeInsertion(node);
if(this.parent()) {
- this.before(node);
+ this.before(insertion.ofNode);
}
- node.append(this);
- return node;
+ insertion.ofNode.append(this);
+ return insertion.ofNode;
},
- triggerChangeEvent: function(type, metaData) {
- var event = new events.ChangeEvent(type, $.extend({node: this}, metaData || {}));
- this.document.trigger('change', event);
+ /**
+ * Removes parent of a node if node has no siblings.
+ */
+ unwrap: function() {
+ if(this.isRoot()) {
+ return;
+ }
+ var parent = this.parent(),
+ grandParent;
+ if(parent.contents().length === 1) {
+ grandParent = parent.parent();
+ parent.unwrapContent();
+ return grandParent;
+ }
+ },
+
+ triggerChangeEvent: function(type, metaData, origParent) {
+ 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))) {
+ 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.createElementNode(node);
- insertion.insertsNew = true;
- }
- return insertion;
+ return this.document.getNodeInsertion(node);
},
getIndex: function() {
+ if(this.isRoot()) {
+ return 0;
+ }
return this.parent().indexOf(this);
}
});
$.extend(ElementNode.prototype, {
nodeType: Node.ELEMENT_NODE,
+ detach: function() {
+ var next;
+ if(this.parent() && this.isSurroundedByTextElements()) {
+ next = this.next();
+ this.prev().appendText(next.getText());
+ next.detach();
+ }
+ return DocumentNode.prototype.detach.call(this);
+ },
+
setData: function(key, value) {
if(value !== undefined) {
this._$.data(key, value);
var toret = [],
document = this.document;
this._$.contents().each(function() {
- if(this.nodeType === Node.ELEMENT_NODE) {
- toret.push(document.createElementNode(this));
- }
- else if(this.nodeType === Node.TEXT_NODE) {
- toret.push(document.createTextNode(this));
- }
+ toret.push(document.createDocumentNode(this));
});
return toret;
},
},
setTag: function(tagName) {
- var node = this.document.createElementNode({tagName: tagName}),
+ var node = this.document.createDocumentNode({tagName: tagName}),
oldTagName = this.getTagName(),
myContents = this._$.contents();
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) {
return;
}
- var parentContents = parent.contents(),
- myContents = this.contents(),
+ var myContents = this.contents(),
myIdx = parent.indexOf(this);
+
if(myContents.length === 0) {
return this.detach();
}
- var moveLeftRange, moveRightRange, leftMerged;
+ var prev = this.prev(),
+ next = this.next(),
+ moveLeftRange, moveRightRange, leftMerged;
- if(myIdx > 0 && (parentContents[myIdx-1].nodeType === TEXT_NODE) && (myContents[0].nodeType === TEXT_NODE)) {
- parentContents[myIdx-1].appendText(myContents[0].getText());
+ if(prev && (prev.nodeType === TEXT_NODE) && (myContents[0].nodeType === TEXT_NODE)) {
+ prev.appendText(myContents[0].getText());
myContents[0].detach();
moveLeftRange = true;
leftMerged = true;
}
if(!(leftMerged && myContents.length === 1)) {
- if(myIdx < parentContents.length - 1 && (parentContents[myIdx+1].nodeType === TEXT_NODE) && (myContents[myContents.length-1].nodeType === TEXT_NODE)) {
- parentContents[myIdx+1].prependText(myContents[myContents.length-1].getText());
- myContents[myContents.length-1].detach();
+ var lastContents = _.last(myContents);
+ if(next && (next.nodeType === TEXT_NODE) && (lastContents.nodeType === TEXT_NODE)) {
+ next.prependText(lastContents.getText());
+ lastContents.detach();
moveRightRange = true;
}
}
}
},
+ split: function(params) {
+ var parentElement = this.parent(),
+ passed = false,
+ succeedingChildren = [],
+ prefix = this.getText().substr(0, params.offset),
+ suffix = this.getText().substr(params.offset);
+
+ parentElement.contents().forEach(function(child) {
+ if(passed) {
+ succeedingChildren.push(child);
+ }
+ if(child.sameNode(this)) {
+ passed = true;
+ }
+ }.bind(this));
+
+ if(prefix.length > 0) {
+ this.setText(prefix);
+ }
+ else {
+ this.detach();
+ }
+
+ var attrs = {};
+ parentElement.getAttrs().forEach(function(attr) {attrs[attr.name] = attr.value; });
+ var newElement = this.document.createDocumentNode({tagName: parentElement.getTagName(), attrs: attrs});
+ parentElement.after(newElement);
+
+ if(suffix.length > 0) {
+ newElement.append({text: suffix});
+ }
+ succeedingChildren.forEach(function(child) {
+ newElement.append(child);
+ });
+
+ return {first: parentElement, second: newElement};
+ },
+
triggerTextChangeEvent: function() {
var event = new events.ChangeEvent('nodeTextChange', {node: this});
this.document.trigger('change', event);
var parseXML = function(xml) {
- return $(xml)[0];
+ return $($.trim(xml))[0];
};
var Document = function(xml) {
this.loadXML(xml);
+ this.undoStack = [];
+ this.redoStack = [];
};
$.extend(Document.prototype, Backbone.Events, {
ElementNodeFactory: ElementNode,
TextNodeFactory: TextNode,
- createElementNode: function(from) {
- if(!(from instanceof HTMLElement)) {
- if(from.text) {
+ createDocumentNode: function(from) {
+ if(!(from instanceof Node)) {
+ if(from.text !== undefined) {
+ /* globals document */
from = document.createTextNode(from.text);
} else {
var node = $('<' + from.tagName + '>');
return new Factory(from, this);
},
- createTextNode: function(nativeNode) {
- return new this.TextNodeFactory(nativeNode, this);
- },
-
loadXML: function(xml, options) {
options = options || {};
defineDocumentProperties(this, $(parseXML(xml)));
},
wrapNodes: function(params) {
- if(!(params.element1.parent().sameNode(params.element2.parent()))) {
+ if(!(params.node1.parent().sameNode(params.node2.parent()))) {
throw new Error('Wrapping non-sibling nodes not supported.');
}
- var parent = params.element1.parent(),
+ var parent = params.node1.parent(),
parentContents = parent.contents(),
- wrapper = this.createElementNode({
+ wrapper = this.createDocumentNode({
tagName: params._with.tagName,
attrs: params._with.attrs}),
- idx1 = parent.indexOf(params.element1),
- idx2 = parent.indexOf(params.element2);
+ idx1 = parent.indexOf(params.node1),
+ idx2 = parent.indexOf(params.node2);
if(idx1 > idx2) {
var tmp = idx1;
throw new Error('Wrapping text in non-sibling text nodes not supported.');
}
- var wrapperElement = this.createElementNode({tagName: params._with.tagName, attrs: params._with.attrs});
+ var wrapperElement = this.createDocumentNode({tagName: params._with.tagName, attrs: params._with.attrs});
textNode1.after(wrapperElement);
textNode1.detach();
trigger: function() {
//console.log('trigger: ' + arguments[0] + (arguments[1] ? ', ' + arguments[1].type : ''));
Backbone.Events.trigger.apply(this, arguments);
+ },
+
+ getNodeInsertion: function(node) {
+ var insertion = {};
+ if(node instanceof DocumentNode) {
+ insertion.ofNode = node;
+ insertion.insertsNew = !this.containsNode(node);
+ } else {
+ insertion.ofNode = this.createDocumentNode(node);
+ insertion.insertsNew = true;
+ }
+ return insertion;
+ },
+
+ replaceRoot: function(node) {
+ var insertion = this.getNodeInsertion(node);
+ this.root.detach();
+ defineDocumentProperties(this, insertion.ofNode._$);
+ insertion.ofNode.triggerChangeEvent('nodeAdded');
+ return insertion.ofNode;
+ },
+
+ transform: function(transformationName, args) {
+ var Transformation = transformations[transformationName],
+ transformation;
+ if(Transformation) {
+ transformation = new Transformation(args);
+ transformation.run();
+ this.undoStack.push(transformation);
+ } else {
+ throw new Error('Transformation ' + transformationName + ' 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;
}
});
var defineDocumentProperties = function(doc, $document) {
Object.defineProperty(doc, 'root', {get: function() {
- return doc.createElementNode($document[0]);
+ return doc.createDocumentNode($document[0]);
}, configurable: true});
Object.defineProperty(doc, 'dom', {get: function() {
return $document[0];
}, configurable: true});
};
+
+// 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.node = args.node;
+ this.document = this.node.document;
+};
+$.extend(Detach2NodeTransformation.prototype, {
+ run: function() {
+ this.root = this.node.parent() ? this.node.parent() : this.node.document.root;
+ this.oldRoot = (this.root).clone();
+ this.path = this.node.getPath();
+ this.node.detach();
+
+ },
+ undo: function() {
+ this.root.replaceWith(this.oldRoot); // this.getDocument?
+ this.node = this.document.getNodeByPath(this.path);
+ }
+});
+transformations['detach2'] = Detach2NodeTransformation;
+
+//3. detach z pełnym własnym redo
+
+var Detach3NodeTransformation = function(args) {
+ this.node = args.node;
+ this.document = this.node.document;
+};
+$.extend(Detach3NodeTransformation.prototype, {
+ run: function() {
+ this.index = this.node.getIndex();
+ this.parent = this.node.parent();
+ this.node.detach();
+ },
+ undo: function() {
+ var contents = this.parent.contents();
+ if(contents.length === 0) {
+ this.parent.append(this.node)
+ }
+ }
+});
+transformations['detach3'] = Detach3NodeTransformation;
+
return {
documentFromXML: function(xml) {
- return new Document(parseXML(xml));
+ return new Document(xml);
},
elementNodeFromXML: function(xml) {
fnp / fnpeditor.git / blobdiff