Adding wavlength tuning via GUI

Change-Id: Ic82330ebb337aa8ce0b26ecdabff6d4211ac4a5e
(cherry picked from commit 6ac13ff484c70a9da6633e21dcb585c682b41c2f)
diff --git a/apps/roadm/web/roadm-gui/projects/roadm-gui-lib/src/lib/port/port.component.ts b/apps/roadm/web/roadm-gui/projects/roadm-gui-lib/src/lib/port/port.component.ts
index 56bd85c..9af7bf7 100644
--- a/apps/roadm/web/roadm-gui/projects/roadm-gui-lib/src/lib/port/port.component.ts
+++ b/apps/roadm/web/roadm-gui/projects/roadm-gui-lib/src/lib/port/port.component.ts
@@ -81,9 +81,11 @@
 
     powerForm: FormGroup;
     modulationForm: FormGroup;
+    freqForm: FormGroup;
     SET_POWER_REQ = 'roadmSetTargetPowerRequest';
     SET_POWER_RESP = 'roadmSetTargetPowerResponse';
     SET_MODULATION = 'roadmSetModulationRequest';
+    SET_FREQUENCY = 'roadmSetFrequencyRequest';
 
     restorePrefsConfig; // Function
 
@@ -135,6 +137,9 @@
         this.modulationForm = new FormGroup({
             newModulation: new FormControl(''),
         });
+        this.freqForm = new FormGroup({
+            newFreq: new FormControl(''),
+        });
         this.log.debug('Create Forms');
     }
 
@@ -223,6 +228,15 @@
         });
     }
 
+    submitFrequency(devId, port) {
+        this.log.debug('Set Frequency of port ', port, 'in device ', devId, 'as value ', this.freqForm.value['newFreq']);
+        this.wss.sendEvent(this.SET_FREQUENCY, {
+            'currFreq': this.freqForm.value['newFreq'],
+            'devId': devId,
+            'id': port,
+        });
+    }
+
     powerConfigCb(data) {
         if (!data.valid) {
             const info = 'The power config operation is failed. The reason is: \n' + data.message;