function getContentEditableHost(node) {
				return self.dom.getParent(node, function(node) {
					return self.dom.getContentEditable(node) === "true";
				});
			}
Focuses/activates the editor. This will set this editor as the activeEditor in the tinymce collection
it will also place DOM focus inside the editor.

@method focus
@param {Boolean} skipFocus Skip DOM focus. Just set is as the active editor.