From e4564ab33b73d6c1d8004ebe34c573919b443d6d Mon Sep 17 00:00:00 2001
From: Petr Voborník <pvoborni@redhat.com>
Date: Feb 29 2012 12:07:22 +0000
Subject: Moved is_empty method from field to IPA object


is_empty method represents IPA UI standard of evaluating whether value is empty. Therefore is should be placed in IPA object instead of IPA.field to allow reuse in different locations.

https://fedorahosted.org/freeipa/ticket/2351

---

diff --git a/install/ui/dns.js b/install/ui/dns.js
index c849eec..8125f9d 100644
--- a/install/ui/dns.js
+++ b/install/ui/dns.js
@@ -1845,8 +1845,8 @@ IPA.dns.netaddr_field = function(spec) {
         var values = that.field_save();
 
         //check for empty value: null, [''], '', []
-        var orig_empty = that.is_empty(that.values);
-        var new_empty= that.is_empty(values);
+        var orig_empty = IPA.is_empty(that.values);
+        var new_empty= IPA.is_empty(values);
         if (orig_empty && new_empty) return false;
         if (orig_empty != new_empty) return true;
 
diff --git a/install/ui/field.js b/install/ui/field.js
index b821fd9..d5e3fe3 100644
--- a/install/ui/field.js
+++ b/install/ui/field.js
@@ -103,7 +103,7 @@ IPA.field = function(spec) {
 
     that.validate_required = function() {
         var values = that.save();
-        if (that.is_empty(values) && that.is_required() && that.enabled) {
+        if (IPA.is_empty(values) && that.is_required() && that.enabled) {
             that.valid = false;
             that.show_error(IPA.messages.widget.validation.required);
             return false;
@@ -124,7 +124,7 @@ IPA.field = function(spec) {
 
         var values = that.save();
 
-        if (that.is_empty(values)) {
+        if (IPA.is_empty(values)) {
             return that.valid;
         }
 
@@ -268,8 +268,8 @@ IPA.field = function(spec) {
         var values = that.save();
 
         //check for empty value: null, [''], '', []
-        var orig_empty = that.is_empty(that.values);
-        var new_empty= that.is_empty(values);
+        var orig_empty = IPA.is_empty(that.values);
+        var new_empty= IPA.is_empty(values);
         if (orig_empty && new_empty) return false;
         if (orig_empty != new_empty) return true;
 
@@ -296,22 +296,6 @@ IPA.field = function(spec) {
         return true;
     };
 
-    that.is_empty = function(value) {
-
-        var empty = false;
-
-        if (!value) empty = true;
-
-        if (value instanceof Array) {
-            empty = empty || value.length === 0 ||
-                    (value.length === 1) && (value[0] === '');
-        }
-
-        if (value === '') empty = true;
-
-        return empty;
-    };
-
     /**
      * This function compares the original values and the
      * values entered in the UI. If the values have changed
@@ -561,7 +545,7 @@ IPA.multivalued_field = function(spec) {
         that.hide_error();
         that.valid = true;
 
-        if (that.is_empty(values)) {
+        if (IPA.is_empty(values)) {
             return that.valid;
         }
 
diff --git a/install/ui/ipa.js b/install/ui/ipa.js
index 433d7fe..441e646 100644
--- a/install/ui/ipa.js
+++ b/install/ui/ipa.js
@@ -1207,6 +1207,22 @@ IPA.create_options = function(labels, values) {
     return options;
 };
 
+IPA.is_empty = function(value) {
+
+    var empty = false;
+
+    if (!value) empty = true;
+
+    if (value instanceof Array) {
+        empty = empty || value.length === 0 ||
+                (value.length === 1) && (value[0] === '');
+    }
+
+    if (value === '') empty = true;
+
+    return empty;
+};
+
 IPA.config = {
     default_priority: 500
 };