+
+ wrapElements: function(params) {
+ if(!(params.element1.parent().sameNode(params.element2.parent())))
+ return;
+
+ var parent = params.element1.parent(),
+ parentChildren = parent.children(),
+ wrapper = this.createNodeElement({
+ tag: params._with.tag,
+ klass: params._with.klass}),
+ idx1 = parent.childIndex(params.element1),
+ idx2 = parent.childIndex(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 = parentChildren[idx1-1];
+ }
+
+ for(var i = idx1; i <= idx2; i++) {
+ wrapper.append(parentChildren[i].detach());
+ }
+
+ insertingTarget[insertingMethod](wrapper);
+ return wrapper;
+ },
+
+ getSiblingParents: function(params) {
+ var parents1 = [params.element1].concat(params.element1.parents()).reverse(),
+ parents2 = [params.element2].concat(params.element2.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 {element1: parents1[i], element2: parents2[i]};
+ },
+
+ getDocumentElement: function(from) {
+ if(from instanceof HTMLElement || from instanceof Text) {
+ return documentElement.DocumentElement.fromHTMLElement(from, this);
+ }
+ },
+ getCursor: function() {
+ return new Cursor(this);
+ },
+
+ list: {},
+
+
+ getCurrentNodeElement: function() {
+ return this.getDocumentElement(this.wrapper.find('.current-node-element').parent()[0]);
+ },
+
+ getCurrentTextElement: function() {
+ return this.getDocumentElement(this.wrapper.find('.current-text-element')[0]);
+ },
+
+
+
+ setCurrentElement: function(element, params) {
+ params = _.extend({caretTo: 'end'}, params);
+ var findFirstDirectTextChild = function(e, nodeToLand) {
+ var byBrowser = this.getCursor().getPosition().element;
+ if(byBrowser && byBrowser.parent().sameNode(nodeToLand))
+ return byBrowser;
+ var children = e.children();
+ for(var i = 0; i < children.length; i++) {
+ if(children[i] instanceof documentElement.DocumentTextElement)
+ return children[i];
+ }
+ return null;
+ }.bind(this);
+ var _markAsCurrent = function(element) {
+ if(element instanceof documentElement.DocumentTextElement) {
+ this.wrapper.find('.current-text-element').removeClass('current-text-element');
+ element.dom().addClass('current-text-element');
+ } else {
+ this.wrapper.find('.current-node-element').removeClass('current-node-element')
+ element._container().addClass('current-node-element');
+ this.publisher('currentElementChanged', element);
+ }
+ }.bind(this);
+
+
+ var isTextElement = element instanceof documentElement.DocumentTextElement,
+ nodeElementToLand = isTextElement ? element.parent() : element,
+ textElementToLand = isTextElement ? element : findFirstDirectTextChild(element, nodeElementToLand),
+ currentTextElement = this.getCurrentTextElement(),
+ currentNodeElement = this.getCurrentNodeElement();
+
+ if(currentTextElement && !(currentTextElement.sameNode(textElementToLand)))
+ this.wrapper.find('.current-text-element').removeClass('current-text-element');
+
+ if(textElementToLand) {
+ _markAsCurrent(textElementToLand);
+ if(params.caretTo || !textElementToLand.sameNode(this.getCursor().getPosition().element))
+ this._moveCaretToTextElement(textElementToLand, params.caretTo); // as method on element?
+ if(!(textElementToLand.sameNode(currentTextElement)))
+ this.publisher('currentTextElementSet', textElementToLand);
+ } else {
+ document.getSelection().removeAllRanges();
+ }
+
+ if(!(currentNodeElement && currentNodeElement.sameNode(nodeElementToLand))) {
+ _markAsCurrent(nodeElementToLand);
+
+ this.publisher('currentNodeElementSet', nodeElementToLand);
+ }
+ },
+
+ _moveCaretToTextElement: function(element, where) {
+ var range = document.createRange(),
+ node = element.dom().contents()[0];
+
+ if(typeof where !== 'number') {
+ range.selectNodeContents(node);
+ } else {
+ range.setStart(node, where);
+ }
+
+ var collapseArg = true;
+ if(where === 'end')
+ collapseArg = false;
+ range.collapse(collapseArg);
+
+ var selection = document.getSelection();
+
+ selection.removeAllRanges();
+ selection.addRange(range);
+ this.wrapper.focus(); // FF requires this for caret to be put where range colllapses, Chrome doesn't.
+ },
+
+ setCursorPosition: function(position) {
+ if(position.element)
+ this._moveCaretToTextElement(position.element, position.offset);
+ },
+
+ toXML: function() {
+ var parent = $('<div>'),
+ parts = this.doc().toXML(0);
+ parent.append(parts);
+ return parent.html();
+ }