+ unwrapContents: function() {
+ var parent = this.parent();
+ if(!parent)
+ return;
+
+ var parentChildren = parent.children(),
+ myChildren = this.children(),
+ myIdx = parent.childIndex(this);
+
+ if(myChildren.length === 0)
+ return this.detach();
+
+ var moveLeftRange, moveRightRange, leftMerged;
+
+ if(myIdx > 0 && (parentChildren[myIdx-1] instanceof DocumentTextElement) && (myChildren[0] instanceof DocumentTextElement)) {
+ parentChildren[myIdx-1].appendText(myChildren[0].getText());
+ myChildren[0].detach();
+ moveLeftRange = true;
+ leftMerged = true;
+ } else {
+ leftMerged = false;
+ }
+
+ if(!(leftMerged && myChildren.length === 1)) {
+ if(myIdx < parentChildren.length - 1 && (parentChildren[myIdx+1] instanceof DocumentTextElement) && (myChildren[myChildren.length-1] instanceof DocumentTextElement)) {
+ parentChildren[myIdx+1].prependText(myChildren[myChildren.length-1].getText());
+ myChildren[myChildren.length-1].detach();
+ moveRightRange = true;
+ }
+ }
+
+ var childrenLength = this.children().length;
+ this.children().forEach(function(child) {
+ this.before(child);
+ }.bind(this));
+
+ this.detach();
+
+ return {
+ element1: parent.children()[myIdx + (moveLeftRange ? -1 : 0)],
+ element2: parent.children()[myIdx + childrenLength-1 + (moveRightRange ? 1 : 0)]
+ };
+ },