新增上一筆 下一筆 案件切換

app/src/main/java/ecom/android/newparkapp/view/T02StartActivity.java

@@ -121,6 +121,21 @@ public class T02StartActivity extends AppCompatActivity {
     }
 
     private void observeBinding(){
+        t02StartViewModel.getCaseCursor().observe(this, caseCursor -> {
+            // 判斷當前，是否為第一筆
+            if (caseCursor == 0){
+                if (dataBinding.btnPageUp.isEnabled()) dataBinding.btnPageUp.setEnabled(false);
+            }else {
+               if (!dataBinding.btnPageUp.isEnabled()) dataBinding.btnPageUp.setEnabled(true);
+            }
+            // 判斷當前，是否為最後一起
+            if (t02StartViewModel.isLastCase()){
+                if (dataBinding.btnPageDown.isEnabled()) dataBinding.btnPageDown.setEnabled(false);
+            }else {
+                if (!dataBinding.btnPageDown.isEnabled()) dataBinding.btnPageDown.setEnabled(true);
+            }
+        });
+
 
     }
 

app/src/main/java/ecom/android/newparkapp/viewModel/T02StartViewModel.java

@@ -34,7 +34,7 @@ public class T02StartViewModel extends AndroidViewModel {
 
     private MutableLiveData<Case> currentCase = new MutableLiveData<>();
     private List<Case> cases;
-    private int caseCursor = 0;
+    private MutableLiveData<Integer> caseCursor = new MutableLiveData<>();
 
     private LiveData<List<VehicleType>> vehicleTypes;
     private LiveData<List<Road>> roads;
@@ -52,6 +52,11 @@ public class T02StartViewModel extends AndroidViewModel {
         roads = infoRepository.roadDao.getAllLiveData();
         spaces = infoRepository.spaceDao.getAllLiveData();
         cases = infoRepository.caseDao.getAll();
+        for (int i = 0; i < cases.size(); i ++){
+            cases.get(i).caseStatus = CaseStatus.LIST;
+        }
+
+        caseCursor.setValue(1);
     }
 
     public LiveData<List<VehicleType>> getVehicleTypes(){
@@ -59,6 +64,9 @@ public class T02StartViewModel extends AndroidViewModel {
     }
     public LiveData<List<Road>> getRoads(){ return roads; }
     public LiveData<List<Space>> getSpaces(){ return spaces; }
+    public LiveData<Integer> getCaseCursor(){return caseCursor;}
+    public int getCastListSize(){return cases.size();}
+    public boolean isLastCase(){ return (caseCursor.getValue()+1) >= cases.size();}
     public void setCurrentUser(User user){ currentUser.setValue(user);};
     public LiveData<Case> getCurrentCase(){return currentCase;}
     public void setVehicleType(VehicleType vehicleType){
@@ -143,6 +151,7 @@ public class T02StartViewModel extends AndroidViewModel {
         switch (tempCase.caseStatus){
             case NEW:
                 infoRepository.executorService.execute(() -> {
+                    tempCase.caseStatus = CaseStatus.LIST;
                     infoRepository.caseDao.insertAll(tempCase);
 
                     for (int i = 0 ; i < tempCasePhoto.size(); i++){
@@ -159,10 +168,16 @@ public class T02StartViewModel extends AndroidViewModel {
 
                     // 跳至新單
                     currentCase.postValue(newCase());
+
+                    // 加入清單
+                    cases.add(tempCase);
+                    caseCursor.setValue(caseCursor.getValue() + 1);
                 });
                 break;
             case LIST:
-
+                // 跳至新單
+                currentCase.postValue(newCase());
+                caseCursor.setValue(caseCursor.getValue() + 1);
                 break;
             case CHANGED:
 
@@ -334,16 +349,27 @@ public class T02StartViewModel extends AndroidViewModel {
      */
     public void pageDown() {
         int casesSize = cases.size();
+        int newCaseCursor = caseCursor.getValue() + 1 ;
         // 判斷是否到底了
-        if (casesSize > caseCursor){
-
+        if (casesSize > newCaseCursor){
+            Case tempCase = cases.get(newCaseCursor);
+            currentCase.setValue(tempCase);
+            caseCursor.setValue(newCaseCursor);
         }
+
     }
 
     /**
      * 案件頁面切換上一頁
      */
     public void pageUp() {
+        int newCaseCursor = caseCursor.getValue() - 1 ;
+        // 判斷是否為第一筆
+        if (newCaseCursor >= 0){
+            Case tempCase = cases.get(newCaseCursor);
+            currentCase.setValue(tempCase);
+            caseCursor.setValue(newCaseCursor);
+        }
 
     }
 }