var TEXT_NODE = Node.TEXT_NODE;
+var INSERTION = function(implementation) {
+ var toret = function(node) {
+ var insertion = this.getNodeInsertion(node);
+ implementation.call(this, insertion.ofNode.nativeNode);
+ this.triggerChangeEvent(insertion.insertsNew ? 'nodeAdded' : 'nodeMoved', {node: insertion.ofNode});
+ return insertion.ofNode;
+ };
+ return toret;
+};
+
var DocumentNode = function(nativeNode, document) {
if(!document) {
throw new Error('undefined document for a node');
this._$ = $(nativeNode);
},
- detach: function() { this._$.detach(); },
+ detach: function() {
+ var parent = this.parent();
+ this._$.detach();
+ this.triggerChangeEvent('nodeDetached', {parent: parent});
+ return this;
+ },
sameNode: function(otherNode) {
return otherNode && this.nativeNode === otherNode.nativeNode;
},
parent: function() {
- return this.nativeNode.parentNode ? this.document.createElementNode(this.nativeNode.parentNode) : null;
+ var parentNode = this.nativeNode.parentNode;
+ if(parentNode && parentNode.nodeType === Node.ELEMENT_NODE) {
+ return this.document.createElementNode(parentNode);
+ }
+ return null;
},
- after: function(node) {
- node = node instanceof ElementNode ? node : this.document.createElementNode(node);
- this._$.after(node.nativeNode);
- return node;
+ parents: function() {
+ var parent = this.parent(),
+ parents = parent ? parent.parents() : [];
+ if(parent) {
+ parents.unshift(parent);
+ }
+ return parents;
},
- before: function(node) {
- node = node instanceof ElementNode ? node : this.document.createElementNode(node);
- this._$.before(node.nativeNode);
- return node;
- },
+ after: INSERTION(function(nativeNode) {
+ return this._$.after(nativeNode);
+ }),
+
+ before: INSERTION(function(nativeNode) {
+ return this._$.before(nativeNode);
+ }),
wrapWith: function(node) {
node = node instanceof ElementNode ? node : this.document.createElementNode(node);
var event = new events.ChangeEvent(type, $.extend({node: this}, metaData || {}));
this.document.trigger('change', event);
},
+
+ getNodeInsertion: function(node) {
+ var insertion = {};
+ if(node instanceof DocumentNode) {
+ insertion.ofNode = node;
+ insertion.insertsNew = !this.document.containsNode(node);
+ } else {
+ insertion.ofNode = this.document.createElementNode(node);
+ insertion.insertsNew = true;
+ }
+ return insertion;
+ },
+
+ getIndex: function() {
+ return this.parent().indexOf(this);
+ }
});
var ElementNode = function(nativeNode, document) {
return toret;
},
- append: function(node) {
- node = node instanceof DocumentNode ? node : this.document.createElementNode(node);
- this._$.append(node.nativeNode);
- },
+ append: INSERTION(function(nativeNode) {
+ this._$.append(nativeNode);
+ }),
+
+ prepend: INSERTION(function(nativeNode) {
+ this._$.prepend(nativeNode);
+ }),
unwrapContent: function() {
var parent = this.parent();
};
},
+ wrapText: function(params) {
+ return this.document._wrapText(_.extend({inside: this}, params));
+ },
+
toXML: function() {
var wrapper = $('<div>');
wrapper.append(this._getXMLDOMToDump());
textNodeIdx: this.parent().indexOf(this),
offsetStart: Math.min(desc.start, desc.end),
offsetEnd: Math.max(desc.start, desc.end),
- _with: {tag: desc.tagName, attrs: desc.attrs}
+ _with: {tagName: desc.tagName, attrs: desc.attrs}
});
} else {
return DocumentNode.prototype.wrapWith.call(this, desc);
from = node[0];
}
}
- return new this.ElementNodeFactory(from, this);
+ var Factory;
+ if(from.nodeType === Node.TEXT_NODE) {
+ Factory = this.TextNodeFactory;
+ } else if(from.nodeType === Node.ELEMENT_NODE) {
+ Factory = this.ElementNodeFactory;
+ }
+ return new Factory(from, this);
},
createTextNode: function(nativeNode) {
return this.root.toXML();
},
+ containsNode: function(node) {
+ return node._$.parents().index(this.root._$) !== -1;
+ },
+
+ wrapNodes: function(params) {
+ if(!(params.element1.parent().sameNode(params.element2.parent()))) {
+ throw new Error('Wrapping non-sibling nodes not supported.');
+ }
+
+ var parent = params.element1.parent(),
+ parentContents = parent.contents(),
+ wrapper = this.createElementNode({
+ tagName: params._with.tagName,
+ attrs: params._with.attrs}),
+ idx1 = parent.indexOf(params.element1),
+ idx2 = parent.indexOf(params.element2);
+
+ if(idx1 > idx2) {
+ var tmp = idx1;
+ idx1 = idx2;
+ idx2 = tmp;
+ }
+
+ var insertingMethod, insertingTarget;
+ if(idx1 === 0) {
+ insertingMethod = 'prepend';
+ insertingTarget = parent;
+ } else {
+ insertingMethod = 'after';
+ insertingTarget = parentContents[idx1-1];
+ }
+
+ for(var i = idx1; i <= idx2; i++) {
+ wrapper.append(parentContents[i].detach());
+ }
+
+ insertingTarget[insertingMethod](wrapper);
+ return wrapper;
+ },
+
+ getSiblingParents: function(params) {
+ var parents1 = [params.node1].concat(params.node1.parents()).reverse(),
+ parents2 = [params.node2].concat(params.node2.parents()).reverse(),
+ noSiblingParents = null;
+
+ if(parents1.length === 0 || parents2.length === 0 || !(parents1[0].sameNode(parents2[0]))) {
+ return noSiblingParents;
+ }
+
+ var i;
+ for(i = 0; i < Math.min(parents1.length, parents2.length); i++) {
+ if(parents1[i].sameNode(parents2[i])) {
+ continue;
+ }
+ break;
+ }
+ return {node1: parents1[i], node2: parents2[i]};
+ },
+
_wrapText: function(params) {
params = _.extend({textNodeIdx: 0}, params);
if(typeof params.textNodeIdx === 'number') {
suffixInside = textNode2.getText().substr(0, params.offsetEnd),
suffixOutside = textNode2.getText().substr(params.offsetEnd)
;
+
+ if(!(textNode1.parent().sameNode(textNode2.parent()))) {
+ throw new Error('Wrapping text in non-sibling text nodes not supported.');
+ }
- var wrapperElement = this.createElementNode({tagName: params._with.tag, attrs: params._with.attrs});
+ var wrapperElement = this.createElementNode({tagName: params._with.tagName, attrs: params._with.attrs});
textNode1.after(wrapperElement);
textNode1.detach();
wrapperElement.after({text: suffixOutside});
}
return wrapperElement;
+ },
+
+ trigger: function() {
+ //console.log('trigger: ' + arguments[0] + (arguments[1] ? ', ' + arguments[1].type : ''));
+ Backbone.Events.trigger.apply(this, arguments);
}
});