Add dirty configuration flag

lib/www/client/source/src/views/ProjectSettings.vue

@@ -440,6 +440,8 @@ export default {
         }
       ],
 
+      dirty: false,
+
       fileLoadDialog: false,
 
       viewMode: 0,
@@ -451,6 +453,18 @@ export default {
   },
 
   watch: {
+
+    configuration: {
+      handler (cur, prev) {
+        if (cur && prev) {
+          this.dirty = true;
+        } else {
+          this.dirty = false;
+        }
+      },
+      deep: true
+    },
+
     active (cur, prev) {
       if (cur == prev) {
         return;
@@ -548,6 +562,7 @@ export default {
         }
       };
       this.configuration = await this.api([url, init]);
+      this.dirty = false;
     },
 
     makeTree (obj, id=0) {
@@ -605,7 +620,12 @@ export default {
       if (res && res.id == this.configuration.id) {
         // In case the server decided to apply any changes
         this.showSnack(["Configuration uploaded to server", "success"]);
-        this.$nextTick( () => this.configuration = res );
+        this.$nextTick( () => {
+          this.configuration = res;
+          this.$nextTick( () => {
+            this.dirty = false;
+          });
+        });
       }
     },