#340 fixed setting null value from predefined parameters

Author: bugy

web-src/src/common/components/checkbox.vue

@@ -15,8 +15,7 @@
     export default {
         props: {
             'value': {
-                type: [Boolean, String, Number],
-                default: false
+                type: [Boolean, String, Number]
             },
             'config': Object
         },
@@ -35,6 +34,19 @@
             emitValueChange() {
                 this.$emit('input', this.$refs.checkbox.checked);
             }
+        },
+
+        watch: {
+            value: {
+                immediate: true,
+                handler() {
+                    this.$nextTick(() => {
+                        if (this.value !== this.boolValue) {
+                            this.emitValueChange();
+                        }
+                    });
+                }
+            }
         }
     }
 </script>