helper class added to enable and disable fields

android/app/src/main/java/com/example/petstoremobile/fragments/listfragments/detailfragments/AdoptionDetailFragment.java

@@ -15,6 +15,7 @@ import com.example.petstoremobile.dtos.*;
 import com.example.petstoremobile.utils.DialogUtils;
 import com.example.petstoremobile.utils.Resource;
 import com.example.petstoremobile.utils.SpinnerUtils;
+import com.example.petstoremobile.utils.UIUtils;
 import com.example.petstoremobile.viewmodels.AdoptionViewModel;
 import com.example.petstoremobile.viewmodels.CustomerViewModel;
 import com.example.petstoremobile.viewmodels.PetViewModel;
@@ -97,21 +98,18 @@ public class AdoptionDetailFragment extends Fragment {
         SpinnerUtils.setupStringSpinner(requireContext(), binding.spinnerAdoptionStatus, STATUSES);
 
         // Pet spinner disabled by default until customer is selected
-        binding.spinnerAdoptionPet.setEnabled(false);
+        UIUtils.setViewsEnabled(false, binding.spinnerAdoptionPet);
-        binding.spinnerAdoptionPet.setAlpha(0.5f);
 
         // Listener to enable pet spinner based on customer selection
         binding.spinnerAdoptionCustomer.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
             @Override
             public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
                 if (position > 0) {
-                    binding.spinnerAdoptionPet.setEnabled(true);
+                    UIUtils.setViewsEnabled(true, binding.spinnerAdoptionPet);
-                    binding.spinnerAdoptionPet.setAlpha(1.0f);
                 } else {
                     if (!isEditing) {
                         binding.spinnerAdoptionPet.setSelection(0);
-                        binding.spinnerAdoptionPet.setEnabled(false);
+                        UIUtils.setViewsEnabled(false, binding.spinnerAdoptionPet);
-                        binding.spinnerAdoptionPet.setAlpha(0.5f);
                     }
                 }
             }
@@ -266,8 +264,7 @@ public class AdoptionDetailFragment extends Fragment {
             binding.tvAdoptionId.setVisibility(View.GONE);
             
             // Explicitly disable in add mode
-            binding.spinnerAdoptionPet.setEnabled(false);
+            UIUtils.setViewsEnabled(false, binding.spinnerAdoptionPet);
-            binding.spinnerAdoptionPet.setAlpha(0.5f);
         }
     }
 
@@ -294,8 +291,7 @@ public class AdoptionDetailFragment extends Fragment {
                 
                 // In edit mode, if a customer is already set, ensure pet spinner is enabled
                 if (preselectedCustomerId != -1) {
-                    binding.spinnerAdoptionPet.setEnabled(true);
+                    UIUtils.setViewsEnabled(true, binding.spinnerAdoptionPet);
-                    binding.spinnerAdoptionPet.setAlpha(1.0f);
                 }
             } else if (resource.status == Resource.Status.ERROR) {
                 Toast.makeText(getContext(), "Failed to load adoption: " + resource.message, Toast.LENGTH_SHORT).show();

android/app/src/main/java/com/example/petstoremobile/fragments/listfragments/detailfragments/AppointmentDetailFragment.java

@@ -16,6 +16,7 @@ import com.example.petstoremobile.dtos.*;
 import com.example.petstoremobile.utils.DialogUtils;
 import com.example.petstoremobile.utils.Resource;
 import com.example.petstoremobile.utils.SpinnerUtils;
+import com.example.petstoremobile.utils.UIUtils;
 import com.example.petstoremobile.viewmodels.AppointmentViewModel;
 import com.example.petstoremobile.viewmodels.CustomerViewModel;
 import com.example.petstoremobile.viewmodels.PetViewModel;
@@ -109,9 +110,8 @@ public class AppointmentDetailFragment extends Fragment {
         SpinnerUtils.setupStringSpinner(requireContext(), binding.spinnerHour, hours);
         SpinnerUtils.setupStringSpinner(requireContext(), binding.spinnerMinute, new String[]{"00","15","30","45"});
 
-        // Pet spinner disabled by default
+        // Pet and Staff spinners disabled by until parent selection
-        binding.spinnerPet.setEnabled(false);
+        UIUtils.setViewsEnabled(false, binding.spinnerPet, binding.spinnerStaff);
-        binding.spinnerPet.setAlpha(0.5f);
 
         // Listener to load pets based on selected customer
         binding.spinnerCustomer.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
@@ -121,16 +121,14 @@ public class AppointmentDetailFragment extends Fragment {
                     DropdownDTO selectedCustomer = customerList.get(position - 1);
                     loadPets(selectedCustomer.getId());
                     if (!isEditing) {
-                        binding.spinnerPet.setEnabled(true);
+                        UIUtils.setViewsEnabled(true, binding.spinnerPet);
-                        binding.spinnerPet.setAlpha(1.0f);
                     }
                 } else {
                     petList.clear();
                     refreshPetSpinner();
                     if (!isEditing) {
                         binding.spinnerPet.setSelection(0);
-                        binding.spinnerPet.setEnabled(false);
+                        UIUtils.setViewsEnabled(false, binding.spinnerPet);
-                        binding.spinnerPet.setAlpha(0.5f);
                     }
                 }
             }
@@ -146,9 +144,16 @@ public class AppointmentDetailFragment extends Fragment {
                 if (position > 0 && position <= storeList.size()) {
                     DropdownDTO selectedStore = storeList.get(position - 1);
                     loadStaff(selectedStore.getId());
+                    if (!isPastAppointment) {
+                        UIUtils.setViewsEnabled(true, binding.spinnerStaff);
+                    }
                 } else {
                     staffList.clear();
                     refreshStaffSpinner();
+                    if (!isEditing) {
+                        binding.spinnerStaff.setSelection(0);
+                        UIUtils.setViewsEnabled(false, binding.spinnerStaff);
+                    }
                 }
             }
 
@@ -303,19 +308,8 @@ public class AppointmentDetailFragment extends Fragment {
             binding.tvAppointmentId.setVisibility(View.VISIBLE);
             binding.btnDeleteAppointment.setVisibility(View.VISIBLE);
 
-            binding.spinnerCustomer.setEnabled(false);
+            UIUtils.setViewsEnabled(false, binding.spinnerCustomer, binding.spinnerStore, binding.spinnerPet, binding.spinnerService);
-            binding.spinnerStore.setEnabled(false);
+            UIUtils.setViewsAlpha(0.5f, binding.tvLabelCustomer, binding.tvLabelStore, binding.tvLabelPet, binding.tvLabelService);
-            binding.spinnerPet.setEnabled(false);
-            binding.spinnerService.setEnabled(false);
-            binding.spinnerCustomer.setAlpha(0.5f);
-            binding.spinnerStore.setAlpha(0.5f);
-            binding.spinnerPet.setAlpha(0.5f);
-            binding.spinnerService.setAlpha(0.5f);
-            
-            binding.tvLabelCustomer.setAlpha(0.5f);
-            binding.tvLabelStore.setAlpha(0.5f);
-            binding.tvLabelPet.setAlpha(0.5f);
-            binding.tvLabelService.setAlpha(0.5f);
 
             loadAppointmentData();
         } else {
@@ -324,19 +318,9 @@ public class AppointmentDetailFragment extends Fragment {
             binding.btnDeleteAppointment.setVisibility(View.GONE);
             binding.tvAppointmentId.setVisibility(View.GONE);
 
-            binding.spinnerCustomer.setEnabled(true);
+            UIUtils.setViewsEnabled(true, binding.spinnerCustomer, binding.spinnerStore, binding.spinnerService);
-            binding.spinnerStore.setEnabled(true);
+            UIUtils.setViewsEnabled(false, binding.spinnerPet, binding.spinnerStaff);
-            binding.spinnerPet.setEnabled(false);
+            UIUtils.setViewsAlpha(1.0f, binding.tvLabelCustomer, binding.tvLabelStore, binding.tvLabelPet, binding.tvLabelService, binding.tvLabelStaff);
-            binding.spinnerPet.setAlpha(0.5f);
-            binding.spinnerService.setEnabled(true);
-            binding.spinnerCustomer.setAlpha(1.0f);
-            binding.spinnerStore.setAlpha(1.0f);
-            binding.spinnerService.setAlpha(1.0f);
-
-            binding.tvLabelCustomer.setAlpha(1.0f);
-            binding.tvLabelStore.setAlpha(1.0f);
-            binding.tvLabelPet.setAlpha(1.0f);
-            binding.tvLabelService.setAlpha(1.0f);
         }
     }
 
@@ -416,8 +400,7 @@ public class AppointmentDetailFragment extends Fragment {
             if ("Cancelled".equalsIgnoreCase(currentStatus)) {
                 isPastAppointment = true;
                 disableAllExceptStatus();
-                binding.spinnerAppointmentStatus.setEnabled(false);
+                UIUtils.setViewsEnabled(false, binding.spinnerAppointmentStatus);
-                binding.spinnerAppointmentStatus.setAlpha(0.5f);
                 binding.btnSaveAppointment.setVisibility(View.GONE);
                 return;
             }
@@ -445,36 +428,18 @@ public class AppointmentDetailFragment extends Fragment {
      * Disables all input fields except the status spinner
      */
     private void disableAllExceptStatus() {
-        binding.spinnerCustomer.setEnabled(false);
+        UIUtils.setViewsEnabled(false, 
-        binding.spinnerStore.setEnabled(false);
+                binding.spinnerCustomer, binding.spinnerStore, binding.spinnerPet, 
-        binding.spinnerPet.setEnabled(false);
+                binding.spinnerService, binding.spinnerStaff, binding.etAppointmentDate, 
-        binding.spinnerService.setEnabled(false);
+                binding.spinnerHour, binding.spinnerMinute);
-        binding.spinnerStaff.setEnabled(false);
-        binding.etAppointmentDate.setEnabled(false);
-        binding.spinnerHour.setEnabled(false);
-        binding.spinnerMinute.setEnabled(false);
         
-        float disabledAlpha = 0.5f;
+        UIUtils.setViewsAlpha(0.5f, 
-        binding.spinnerCustomer.setAlpha(disabledAlpha);
+                binding.tvLabelCustomer, binding.tvLabelStore, binding.tvLabelPet, 
-        binding.spinnerStore.setAlpha(disabledAlpha);
+                binding.tvLabelService, binding.tvLabelStaff, binding.tvLabelDate, 
-        binding.spinnerPet.setAlpha(disabledAlpha);
+                binding.tvLabelTime);
-        binding.spinnerService.setAlpha(disabledAlpha);
-        binding.spinnerStaff.setAlpha(disabledAlpha);
-        binding.etAppointmentDate.setAlpha(disabledAlpha);
-        binding.spinnerHour.setAlpha(disabledAlpha);
-        binding.spinnerMinute.setAlpha(disabledAlpha);
-
-        binding.tvLabelCustomer.setAlpha(disabledAlpha);
-        binding.tvLabelStore.setAlpha(disabledAlpha);
-        binding.tvLabelPet.setAlpha(disabledAlpha);
-        binding.tvLabelService.setAlpha(disabledAlpha);
-        binding.tvLabelStaff.setAlpha(disabledAlpha);
-        binding.tvLabelDate.setAlpha(disabledAlpha);
-        binding.tvLabelTime.setAlpha(disabledAlpha);
 
         // Keep status enabled
-        binding.spinnerAppointmentStatus.setEnabled(true);
+        UIUtils.setViewsEnabled(true, binding.spinnerAppointmentStatus);
-        binding.spinnerAppointmentStatus.setAlpha(1.0f);
     }
 
     /**

android/app/src/main/java/com/example/petstoremobile/fragments/listfragments/detailfragments/PetDetailFragment.java

@@ -25,6 +25,7 @@ import com.example.petstoremobile.utils.DialogUtils;
 import com.example.petstoremobile.utils.InputValidator;
 import com.example.petstoremobile.utils.Resource;
 import com.example.petstoremobile.utils.SpinnerUtils;
+import com.example.petstoremobile.utils.UIUtils;
 import com.example.petstoremobile.viewmodels.CustomerViewModel;
 import com.example.petstoremobile.viewmodels.PetViewModel;
 import com.example.petstoremobile.viewmodels.StoreViewModel;
@@ -221,10 +222,7 @@ public class PetDetailFragment extends Fragment {
             binding.btnDeletePet.setVisibility(View.VISIBLE);
             
             // Disable species and breed fields in edit mode
-            binding.etPetSpecies.setEnabled(false);
+            UIUtils.setViewsEnabled(false, binding.etPetSpecies, binding.etPetBreed);
-            binding.etPetBreed.setEnabled(false);
-            binding.etPetSpecies.setAlpha(0.5f);
-            binding.etPetBreed.setAlpha(0.5f);
             
             loadPetData();
         } else {
@@ -237,10 +235,7 @@ public class PetDetailFragment extends Fragment {
             binding.btnSavePet.setText("Add");
             
             // Enable species and breed fields in edit mode
-            binding.etPetSpecies.setEnabled(true);
+            UIUtils.setViewsEnabled(true, binding.etPetSpecies, binding.etPetBreed);
-            binding.etPetBreed.setEnabled(true);
-            binding.etPetSpecies.setAlpha(1.0f);
-            binding.etPetBreed.setAlpha(1.0f);
         }
     }
 
@@ -345,21 +340,17 @@ public class PetDetailFragment extends Fragment {
                 //Disable the customer spinner if the status is "Available"
                 if ("Available".equalsIgnoreCase(status)) {
                     binding.spinnerCustomer.setSelection(0);
-                    binding.spinnerCustomer.setEnabled(false);
+                    UIUtils.setViewsEnabled(false, binding.spinnerCustomer);
-                    binding.spinnerCustomer.setAlpha(0.5f);
                 } else {
-                    binding.spinnerCustomer.setEnabled(true);
+                    UIUtils.setViewsEnabled(true, binding.spinnerCustomer);
-                    binding.spinnerCustomer.setAlpha(1.0f);
                 }
 
                 //Disable the store spinner if the status is "Owned"
                 if ("Owned".equalsIgnoreCase(status)) {
                     binding.spinnerStore.setSelection(0);
-                    binding.spinnerStore.setEnabled(false);
+                    UIUtils.setViewsEnabled(false, binding.spinnerStore);
-                    binding.spinnerStore.setAlpha(0.5f);
                 } else {
-                    binding.spinnerStore.setEnabled(true);
+                    UIUtils.setViewsEnabled(true, binding.spinnerStore);
-                    binding.spinnerStore.setAlpha(1.0f);
                 }
             }
 

android/app/src/main/java/com/example/petstoremobile/fragments/listfragments/detailfragments/SaleDetailFragment.java

@@ -15,6 +15,7 @@ import com.example.petstoremobile.viewmodels.*;
 import com.example.petstoremobile.utils.SpinnerUtils;
 import com.example.petstoremobile.utils.DialogUtils;
 import com.example.petstoremobile.utils.Resource;
+import com.example.petstoremobile.utils.UIUtils;
 import dagger.hilt.android.AndroidEntryPoint;
 import java.math.BigDecimal;
 import java.util.*;
@@ -80,9 +81,10 @@ public class SaleDetailFragment extends Fragment {
             // Hide save and input controls for view only
             if (viewOnly) {
                 binding.btnSaveSale.setVisibility(View.GONE);
-                binding.spinnerSaleStore.setEnabled(false);
+                UIUtils.setViewsEnabled(false, 
-                binding.spinnerSaleCustomer.setEnabled(false);
+                        binding.spinnerSaleStore, 
-                binding.spinnerPaymentMethod.setEnabled(false);
+                        binding.spinnerSaleCustomer, 
+                        binding.spinnerPaymentMethod);
                 binding.llAddItemRow.setVisibility(View.GONE);
                 binding.llExtraInfo.setVisibility(View.VISIBLE);
             }

android/app/src/main/java/com/example/petstoremobile/utils/UIUtils.java

@@ -66,4 +66,28 @@ public class UIUtils {
             @Override public void afterTextChanged(Editable s) {}
         });
     }
+
+    /**
+     * Sets the enabled state and alpha for multiple views.
+     * Alpha is set to 1.0f when enabled and 0.5f when disabled.
+     */
+    public static void setViewsEnabled(boolean enabled, View... views) {
+        for (View v : views) {
+            if (v != null) {
+                v.setEnabled(enabled);
+                v.setAlpha(enabled ? 1.0f : 0.5f);
+            }
+        }
+    }
+
+    /**
+     * Sets the alpha for multiple views.
+     */
+    public static void setViewsAlpha(float alpha, View... views) {
+        for (View v : views) {
+            if (v != null) {
+                v.setAlpha(alpha);
+            }
+        }
+    }
 }