Support readonly/computed for dates #207

Author: chrisala

grails-app/assets/javascripts/knockout-dates.js

@@ -69,13 +69,26 @@
 //  a JS Date object - useful with datepicker; and
 //  a simple formatted date of the form dd-mm-yyyy useful for display.
 // The formatted date will include hh:MM if the includeTime argument is true
-    ko.extenders.simpleDate = function (target, includeTime) {
+ko.extenders.simpleDate = function (target, options) {
+    var includeTime = false;
+    var isReadOnly = false;
+    if (_.isObject(options)) {
+        includeTime = options.includeTime || false;
+        isReadOnly = options.readOnly || false;
+    }
+    else {
+        includeTime = options || false;
+    }
+
         target.date = ko.computed({
             read: function () {
                 return Date.fromISO(target());
             },
 
             write: function (newValue) {
+            if (isReadOnly) {
+                return;
+            }
                 if (newValue) {
                     var current = target(),
                         valueToWrite = convertToIsoDate(newValue);
@@ -95,6 +108,9 @@
             },
 
             write: function (newValue) {
+            if (isReadOnly) {
+                return;
+            }
                 if (newValue) {
                     var current = target(),
                         valueToWrite = convertToIsoDate(newValue);