+ },
+ unwrap: function() {
+ var parent = this.parent(),
+ toret;
+ if(parent.children().length === 1) {
+ toret = parent.parent();
+ var grandParent = parent.parent();
+ if(grandParent) {
+ var grandParentChildren = grandParent.children(),
+ idx = grandParent.childIndex(parent),
+ prev = idx - 1 > -1 ? grandParentChildren[idx-1] : null,
+ next = idx + 1 < grandParentChildren.length ? grandParentChildren[idx+1] : null;
+ if(prev && next) {
+ prev.setText(prev.getText() + this.getText() + next.getText());
+ next.detach();
+ } else if (prev || next) {
+ var target = prev ? prev : next;
+ target.setText(target.getText() + this.getText());
+ } else {
+ parent.after(this);
+ }
+ } else {
+ parent.after(this);
+ }
+ parent.detach();
+ return toret;
+ }
+ },
+ split: function(params) {
+ var parentElement = this.parent(),
+ myIdx = parentElement.childIndex(this),
+ myCanvas = this.canvas,
+ passed = false,
+ succeedingChildren = [],
+ thisElement = this,
+ prefix = this.getText().substr(0, params.offset),
+ suffix = this.getText().substr(params.offset);
+
+ parentElement.children().forEach(function(child) {
+ if(passed)
+ succeedingChildren.push(child);
+ if(child.sameNode(thisElement))
+ passed = true;
+ });
+
+ if(prefix.length > 0)
+ this.setText(prefix);
+ else
+ this.detach();
+
+ var newElement = DocumentNodeElement.create({tag: parentElement.getWlxmlTag(), klass: parentElement.getWlxmlClass()}, myCanvas);
+ parentElement.after(newElement);
+
+ if(suffix.length > 0)
+ newElement.append({text: suffix});
+ succeedingChildren.forEach(function(child) {
+ newElement.append(child);
+ });
+
+ return {first: parentElement, second: newElement};
+ },
+ divide: function(params) {
+ var myText = this.getText();
+
+ if(params.offset <= 0 || params.offset >= myText.length)
+ return;
+
+ var lhsText = myText.substr(0, params.offset),
+ rhsText = myText.substr(params.offset),
+ newElement = DocumentNodeElement.create({tag: params.tag, klass: params.klass}, this.canvas),
+ rhsTextElement = DocumentTextElement.create({text: rhsText});
+
+ this.setText(lhsText);
+ this.after(newElement);
+ newElement.after(rhsTextElement);
+ return newElement;