Added new disabled function that allows easy control of disabling the element a template constructs.

ignite-template.js

@@ -641,6 +641,39 @@ class IgniteTemplate {
         return this.attribute("checked", value, converter);
     }
 
+    /**
+     * Adds a disabled attribute and class to this template.
+     * @param {Boolean|IgniteProperty} value A value to determine whether or not the element should be marked as disable dor not. 
+     * @param {*} converter Optional function that can convert the value if needed.
+     * @returns This ignite template so function calls can be chained.
+     */
+    disabled(value, converter = null) {
+        if (value instanceof IgniteProperty) {
+            this.attribute("disabled", value, convert => {
+                convert = (converter != null ? converter(convert) : convert);
+                if (convert) {
+                    return "disabled";
+                } else {
+                    return null;
+                }
+            });
+
+            this.class(value, convert => {
+                convert = (converter != null ? converter(convert) : convert);
+                if (convert) {
+                    return "disabled";
+                } else {
+                    return null;
+                }
+            });
+        } else if (value) {
+            this.attribute("disabled", "disabled");
+            this.class("disabled");
+        }
+
+        return this;
+    }
+
     /**
      * Sets the type attribute of the element to be constructed by this template.
      * @param {String|IgniteProperty} value The value to set for the type attribute of the element this template will construct.