EditHabitActivity: Make save button functional

android/uhabits-android/src/main/java/org/isoron/uhabits/activities/common/dialogs/FrequencyPickerDialog.kt

@@ -88,15 +88,21 @@ class FrequencyPickerDialog(var freqNumerator: Int,
                 // NOP
             }
             contentView.everyXDaysRadioButton.isChecked -> {
-                denominator = Integer.parseInt(contentView.everyXDaysTextView.text.toString())
+                if (contentView.everyXDaysTextView.text.isNotEmpty()) {
+                    denominator = Integer.parseInt(contentView.everyXDaysTextView.text.toString())
+                }
             }
             contentView.xTimesPerWeekRadioButton.isChecked -> {
-                numerator = Integer.parseInt(contentView.xTimesPerWeekTextView.text.toString())
-                denominator = 7
+                if (contentView.xTimesPerWeekTextView.text.isNotEmpty()) {
+                    numerator = Integer.parseInt(contentView.xTimesPerWeekTextView.text.toString())
+                    denominator = 7
+                }
             }
             else -> {
-                numerator = Integer.parseInt(contentView.xTimesPerMonthTextView.text.toString())
-                denominator = 31
+                if (contentView.xTimesPerMonthTextView.text.isNotEmpty()) {
+                    numerator = Integer.parseInt(contentView.xTimesPerMonthTextView.text.toString())
+                    denominator = 30
+                }
             }
         }
         if (numerator >= denominator || numerator < 1) {
@@ -138,7 +144,7 @@ class FrequencyPickerDialog(var freqNumerator: Int,
                 contentView.xTimesPerMonthTextView.setText(freqNumerator.toString())
                 focus(contentView.xTimesPerMonthTextView)
             } else {
-                Log.w("FrequencyPickerDialog", "Unknown frequency: " + freqNumerator + "/" + freqDenominator)
+                Log.w("FrequencyPickerDialog", "Unknown frequency: $freqNumerator/$freqDenominator")
                 contentView.everyDayRadioButton.isChecked = true
             }
         }

android/uhabits-android/src/main/java/org/isoron/uhabits/activities/habits/edit/EditHabitActivity.kt

@@ -26,39 +26,68 @@ import android.text.format.*
 import android.view.*
 import androidx.appcompat.app.*
 import com.android.datetimepicker.time.*
+import kotlinx.android.synthetic.main.activity_edit_habit.*
 import org.isoron.androidbase.utils.*
 import org.isoron.uhabits.*
 import org.isoron.uhabits.activities.*
 import org.isoron.uhabits.activities.common.dialogs.*
+import org.isoron.uhabits.core.commands.*
 import org.isoron.uhabits.core.models.*
-import org.isoron.uhabits.core.preferences.*
 import org.isoron.uhabits.databinding.*
-import org.isoron.uhabits.preferences.*
 import org.isoron.uhabits.utils.*
 
 class EditHabitActivity : AppCompatActivity() {
 
     private lateinit var themeSwitcher: AndroidThemeSwitcher
-
     private lateinit var binding: ActivityEditHabitBinding
+    private lateinit var commandRunner: CommandRunner
 
+    var habitId = -1L
     var paletteColor = 11
     var androidColor = 0
-
     var freqNum = 1
     var freqDen = 1
     var reminderHour = -1
     var reminderMin = -1
-    var reminderDays = WeekdayList.EVERY_DAY
+    var reminderDays: WeekdayList = WeekdayList.EVERY_DAY
 
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-        val prefs = Preferences(SharedPreferencesStorage(this))
-        themeSwitcher = AndroidThemeSwitcher(this, prefs)
+    override fun onCreate(state: Bundle?) {
+        super.onCreate(state)
+
+        val component = (application as HabitsApplication).component
+        themeSwitcher = AndroidThemeSwitcher(this, component.preferences)
         themeSwitcher.apply()
 
         binding = ActivityEditHabitBinding.inflate(layoutInflater)
         setContentView(binding.root)
+
+        if (intent.hasExtra("habitId")) {
+            binding.toolbar.title = getString(R.string.edit_habit)
+            habitId = intent.getLongExtra("habitId", -1)
+            val habit = component.habitList.getById(habitId)!!
+            paletteColor = habit.color
+            freqNum = habit.frequency.numerator
+            freqDen = habit.frequency.denominator
+            if (habit.hasReminder()) {
+                reminderHour = habit.reminder.hour
+                reminderMin = habit.reminder.minute
+                reminderDays = habit.reminder.days
+            }
+            binding.nameInput.setText(habit.name)
+            binding.questionInput.setText(habit.question)
+            binding.notesInput.setText(habit.description)
+        }
+
+        if (state != null) {
+            habitId = state.getLong("habitId")
+            paletteColor = state.getInt("paletteColor")
+            freqNum = state.getInt("freqNum")
+            freqDen = state.getInt("freqDen")
+            reminderHour = state.getInt("reminderHour")
+            reminderMin = state.getInt("reminderMin")
+            reminderDays = WeekdayList(state.getInt("reminderDays"))
+        }
+
         updateColors()
 
         setSupportActionBar(binding.toolbar)
@@ -120,10 +149,49 @@ class EditHabitActivity : AppCompatActivity() {
         }
 
         binding.buttonSave.setOnClickListener {
-            finish()
+            if(validate()) save()
         }
     }
 
+    private fun save() {
+        val component = (application as HabitsApplication).component
+        val habit = component.modelFactory.buildHabit()
+
+        var original: Habit? = null
+        if (habitId >= 0) {
+            original = component.habitList.getById(habitId)!!
+            habit.copyFrom(original)
+        }
+
+        habit.name = nameInput.text.trim().toString()
+        habit.question = questionInput.text.trim().toString()
+        habit.description = notesInput.text.trim().toString()
+        habit.color = paletteColor
+        if (reminderHour >= 0) {
+            habit.setReminder(Reminder(reminderHour, reminderMin, reminderDays))
+        }
+        habit.frequency = Frequency(freqNum, freqDen)
+        habit.unit = ""
+        habit.targetValue = 1.0
+        habit.type = Habit.YES_NO_HABIT
+
+        val command = if (habitId >= 0) {
+            component.editHabitCommandFactory.create(component.habitList, original, habit)
+        } else {
+            component.createHabitCommandFactory.create(component.habitList, habit)
+        }
+        component.commandRunner.execute(command, null)
+        finish()
+    }
+
+    private fun validate(): Boolean {
+        if (nameInput.text.isEmpty()) {
+            nameInput.error = getString(R.string.validation_name_should_not_be_blank)
+            return false
+        }
+        return true
+    }
+
     private fun populateReminder() {
         if (reminderHour < 0) {
             binding.reminderTimePicker.text = getString(R.string.reminder_off)
@@ -160,4 +228,18 @@ class EditHabitActivity : AppCompatActivity() {
             binding.toolbar.setBackgroundColor(androidColor)
         }
     }
+
+    override fun onSaveInstanceState(state: Bundle) {
+        super.onSaveInstanceState(state)
+        with(state) {
+            putLong("habitId", habitId)
+            putInt("paletteColor", paletteColor)
+            putInt("androidColor", androidColor)
+            putInt("freqNum", freqNum)
+            putInt("freqDen", freqDen)
+            putInt("reminderHour", reminderHour)
+            putInt("reminderMin", reminderMin)
+            putInt("reminderDays", reminderDays.toInteger())
+        }
+    }
 }

android/uhabits-android/src/main/java/org/isoron/uhabits/activities/habits/list/ListHabitsScreen.kt

@@ -147,8 +147,8 @@ class ListHabitsScreen
     }
 
     override fun showEditHabitsScreen(habits: List<Habit>) {
-        val dialog = editHabitDialogFactory.edit(habits[0])
-        activity.showDialog(dialog, "editNumericalHabit")
+        val intent = intentFactory.startEditActivity(activity!!, habits[0])
+        activity.startActivity(intent)
     }
 
     override fun showFAQScreen() {

android/uhabits-android/src/main/java/org/isoron/uhabits/intents/IntentFactory.kt

@@ -84,7 +84,13 @@ class IntentFactory
     fun codeContributors(context: Context) =
             buildViewIntent(context.getString(R.string.codeContributorsURL))
 
-    fun startEditActivity(context: Context): Intent? {
+    fun startEditActivity(context: Context): Intent {
         return Intent(context, EditHabitActivity::class.java)
     }
+
+    fun startEditActivity(context: Context, habit: Habit): Intent {
+        val intent = startEditActivity(context)
+        intent.putExtra("habitId", habit.id)
+        return intent
+    }
 }

android/uhabits-android/src/main/res/layout/activity_edit_habit.xml

@@ -74,14 +74,17 @@
                             android:text="@string/name" />
 
                         <EditText
+                            android:id="@+id/nameInput"
                             style="@style/FormInput"
+                            android:maxLines="1"
+                            android:inputType="textCapSentences"
                             android:hint="@string/exercise_habit_name"
                             />
                     </LinearLayout>
                 </FrameLayout>
 
                 <!-- Habit Color -->
-                <FrameLayut
+                <FrameLayout
                     android:layout_width="80dp"
                     android:layout_height="match_parent"
                     android:clipChildren="false"
@@ -106,7 +109,7 @@
                             android:backgroundTint="#E23673" />
 
                     </LinearLayout>
-                </FrameLayut>
+                </FrameLayout>
 
 
             </LinearLayout>
@@ -128,7 +131,9 @@
                         android:text="@string/question" />
 
                     <EditText
+                        android:id="@+id/questionInput"
                         style="@style/FormInput"
+                        android:inputType="textCapSentences"
                         android:hint="@string/example_question_boolean"
                          />
                 </LinearLayout>
@@ -203,6 +208,7 @@
                         android:text="@string/notes" />
 
                     <EditText
+                        android:id="@+id/notesInput"
                         style="@style/FormInput"
                         android:hint="@string/example_notes" />
                 </LinearLayout>

android/uhabits-core/src/main/java/org/isoron/uhabits/core/ui/screens/habits/list/ListHabitsSelectionMenuBehavior.java

@@ -112,6 +112,7 @@ public class ListHabitsSelectionMenuBehavior
     public void onEditHabits()
     {
         screen.showEditHabitsScreen(adapter.getSelected());
+        adapter.clearSelection();
     }
 
     public void onUnarchiveHabits()