smartxml: minor refactoring to improve clarity

[fnpeditor.git] / src / smartxml / smartxml.js

diff --git a/src/smartxml/smartxml.js b/src/smartxml/smartxml.js
index 502eda6..f9f78e8 100644 (file)
--- a/src/smartxml/smartxml.js
+++ b/src/smartxml/smartxml.js
@@ -123,9 +123,17 @@ $.extend(DocumentNode.prototype, {
     },
 
     isSurroundedByTextNodes: function() {
-        var prev = this.prev(),
-            next = this.next();
-        return prev && (prev.nodeType === Node.TEXT_NODE) && next && (next.nodeType === Node.TEXT_NODE);
+        return this.isPrecededByTextNode() && this.isFollowedByTextNode();
+    },
+
+    isPrecededByTextNode: function() {
+        var prev = this.prev();
+        return prev && prev.nodeType === Node.TEXT_NODE;
+    },
+
+    isFollowedByTextNode: function() {
+        var next = this.next();
+        return next && next.nodeType === Node.TEXT_NODE;
     },
 
     triggerChangeEvent: function(type, metaData, origParent, nodeWasContained) {
@@ -168,12 +176,16 @@ ElementNode.prototype = Object.create(DocumentNode.prototype);
 $.extend(ElementNode.prototype, {
     nodeType: Node.ELEMENT_NODE,
 
-    setData: function(key, value) {
-        if(value !== undefined) {
-            this._$.data(key, value);
+    setData: function(arg1, arg2) {
+        if(arguments.length === 2) {
+            if(_.isUndefined(arg2)) {
+                this._$.removeData(arg1);
+            } else {
+                this._$.data(arg1, arg2);
+            }
         } else {
             this._$.removeData(_.keys(this._$.data()));
-            this._$.data(key);
+            this._$.data(arg1);
         }
     },