Allow fractional values to be entered

app/src/main/java/org/isoron/uhabits/activities/habits/edit/NumericalHabitDialogHelper.java

@@ -19,6 +19,7 @@
 
 package org.isoron.uhabits.activities.habits.edit;
 
+import android.icu.text.*;
 import android.support.v4.app.*;
 import android.view.*;
 import android.widget.*;
@@ -33,6 +34,8 @@ public class NumericalHabitDialogHelper
 {
     private DialogFragment frag;
 
+    private DecimalFormat valueFormatter = new DecimalFormat("#.##");
+
     @BindView(R.id.tvName)
     TextView tvName;
 
@@ -81,7 +84,7 @@ public class NumericalHabitDialogHelper
             tvUnit.setText(habit.getUnit());
 
         tvTargetType.setSelection(habit.getTargetType());
-        tvTargetValue.setText(String.format("%.0f", habit.getTargetValue()));
+        tvTargetValue.setText(valueFormatter.format(habit.getTargetValue()));
         populateColor(habit.getColor());
     }
 

app/src/main/java/org/isoron/uhabits/activities/habits/list/ListHabitsController.java

@@ -165,10 +165,13 @@ public class ListHabitsController
     @Override
     public void onEdit(@NonNull Habit habit, long timestamp)
     {
-        int oldValue = habit.getCheckmarks().getValues(timestamp, timestamp)[0];
+        CheckmarkList checkmarks = habit.getCheckmarks();
-        screen.showNumberPicker(oldValue, newValue -> {
+        double oldValue = checkmarks.getValues(timestamp, timestamp)[0];
+
+        screen.showNumberPicker(oldValue / 1000, habit.getUnit(), newValue -> {
+            newValue = Math.round(newValue * 1000);
             commandRunner.execute(
-                new CreateRepetitionCommand(habit, timestamp, newValue),
+                new CreateRepetitionCommand(habit, timestamp, (int) newValue),
                 habit.getId());
         });
     }

app/src/main/java/org/isoron/uhabits/activities/habits/list/ListHabitsScreen.java

@@ -24,6 +24,7 @@ import android.content.*;
 import android.net.*;
 import android.support.annotation.*;
 import android.support.v7.app.AlertDialog;
+import android.text.*;
 import android.view.*;
 import android.widget.*;
 
@@ -39,6 +40,7 @@ import org.isoron.uhabits.models.*;
 import org.isoron.uhabits.utils.*;
 
 import java.io.*;
+import java.lang.reflect.*;
 
 import javax.inject.*;
 
@@ -46,7 +48,6 @@ import static android.content.DialogInterface.*;
 import static android.os.Build.VERSION.*;
 import static android.os.Build.VERSION_CODES.*;
 import static android.view.inputmethod.EditorInfo.*;
-import static org.isoron.uhabits.utils.InterfaceUtils.*;
 
 @ActivityScope
 public class ListHabitsScreen extends BaseScreen
@@ -287,27 +288,44 @@ public class ListHabitsScreen extends BaseScreen
         activity.startActivity(intent);
     }
 
-    public void showNumberPicker(int initialValue,
+    public void showNumberPicker(double value,
+                                 @NonNull String unit,
                                  @NonNull NumberPickerCallback callback)
     {
         LayoutInflater inflater = activity.getLayoutInflater();
         View view = inflater.inflate(R.layout.number_picker_dialog, null);
 
-        final NumberPicker picker =
+        final NumberPicker picker;
-            (NumberPicker) view.findViewById(R.id.picker);
+        final NumberPicker picker2;
+        final TextView tvUnit;
+
+        picker = (NumberPicker) view.findViewById(R.id.picker);
+        picker2 = (NumberPicker) view.findViewById(R.id.picker2);
+        tvUnit = (TextView) view.findViewById(R.id.tvUnit);
+
+        int intValue = (int) Math.round(value * 100);
 
         picker.setMinValue(0);
-        picker.setMaxValue(Integer.MAX_VALUE);
+        picker.setMaxValue(Integer.MAX_VALUE / 100);
-        picker.setValue(initialValue);
+        picker.setValue(intValue / 100);
         picker.setWrapSelectorWheel(false);
 
+        picker2.setMinValue(0);
+        picker2.setMaxValue(19);
+        picker2.setFormatter(v -> String.format("%02d", 5 * v));
+        picker2.setValue((intValue % 100) / 5);
+        refreshInitialValue(picker2);
+
+        tvUnit.setText(unit);
+
         AlertDialog dialog = new AlertDialog.Builder(activity)
             .setView(view)
             .setTitle(R.string.change_value)
             .setPositiveButton(android.R.string.ok, (d, which) ->
             {
                 picker.clearFocus();
-                callback.onNumberPicked(picker.getValue());
+                double v = picker.getValue() + 0.05 * picker2.getValue();
+                callback.onNumberPicked(v);
             })
             .create();
 
@@ -319,13 +337,22 @@ public class ListHabitsScreen extends BaseScreen
         });
 
         dialog.show();
+    }
 
-        Window window = dialog.getWindow();
+    private void refreshInitialValue(NumberPicker picker2)
-        if (window != null)
     {
-            int width = (int) dpToPixels(activity, 200);
+        // Workaround for a bug on Android:
-            int height = (int) dpToPixels(activity, 275);
+        // https://code.google.com/p/android/issues/detail?id=35482
-            window.setLayout(width, height);
+        try
+        {
+            Field f = NumberPicker.class.getDeclaredField("mInputText");
+            f.setAccessible(true);
+            EditText inputText = (EditText) f.get(picker2);
+            inputText.setFilters(new InputFilter[0]);
+        }
+        catch (Exception e)
+        {
+            throw new RuntimeException(e);
         }
     }
 
@@ -395,6 +422,6 @@ public class ListHabitsScreen extends BaseScreen
 
     public interface NumberPickerCallback
     {
-        void onNumberPicked(int newValue);
+        void onNumberPicked(double newValue);
     }
 }

app/src/main/java/org/isoron/uhabits/activities/habits/list/views/HabitCardView.java

@@ -157,8 +157,12 @@ public class HabitCardView extends FrameLayout
 
     public void setValues(int values[])
     {
+        double dvalues[] = new double[values.length];
+        for(int i = 0; i < values.length; i++)
+            dvalues[i] = (double) values[i] / 1000;
+
         checkmarkPanel.setValues(values);
-        numberPanel.setValues(values);
+        numberPanel.setValues(dvalues);
         numberPanel.setThreshold(10);
         postInvalidate();
     }

app/src/main/java/org/isoron/uhabits/activities/habits/list/views/NumberButtonView.java

@@ -22,6 +22,7 @@ package org.isoron.uhabits.activities.habits.list.views;
 import android.content.*;
 import android.content.res.*;
 import android.graphics.*;
+import android.icu.text.*;
 import android.support.annotation.*;
 import android.text.*;
 import android.util.*;
@@ -44,7 +45,7 @@ public class NumberButtonView extends View
 
     private int color;
 
-    private int value;
+    private double value;
 
     private double threshold;
 
@@ -93,17 +94,16 @@ public class NumberButtonView extends View
      * @param v
      * @return
      */
-    private static String formatValue(int v)
+    private static String formatValue(double v)
     {
-        double fv = (double) v;
+        if (v >= 1e9) return String.format("%.1fG", v / 1e9);
-        if (v >= 1e9) return String.format("%.1fG", fv / 1e9);
+        if (v >= 1e8) return String.format("%.0fM", v / 1e6);
-        if (v >= 1e8) return String.format("%.0fM", fv / 1e6);
+        if (v >= 1e7) return String.format("%.1fM", v / 1e6);
-        if (v >= 1e7) return String.format("%.1fM", fv / 1e6);
+        if (v >= 1e6) return String.format("%.1fM", v / 1e6);
-        if (v >= 1e6) return String.format("%.1fM", fv / 1e6);
+        if (v >= 1e5) return String.format("%.0fk", v / 1e3);
-        if (v >= 1e5) return String.format("%.0fk", fv / 1e3);
+        if (v >= 1e4) return String.format("%.1fk", v / 1e3);
-        if (v >= 1e4) return String.format("%.1fk", fv / 1e3);
+        if (v >= 1e3) return String.format("%.1fk", v / 1e3);
-        if (v >= 1e3) return String.format("%.1fk", fv / 1e3);
+        return new DecimalFormat("#.##").format(v);
-        return String.format("%d", v);
     }
 
     public void setColor(int color)
@@ -130,7 +130,7 @@ public class NumberButtonView extends View
         postInvalidate();
     }
 
-    public void setValue(int value)
+    public void setValue(double value)
     {
         this.value = value;
         postInvalidate();

app/src/main/java/org/isoron/uhabits/activities/habits/list/views/NumberPanelView.java

@@ -47,7 +47,7 @@ public class NumberPanelView extends LinearLayout
     @Nullable
     private Preferences prefs;
 
-    private int values[];
+    private double values[];
 
     private double threshold;
 
@@ -95,20 +95,16 @@ public class NumberPanelView extends LinearLayout
 
     public void initEditMode()
     {
-        int values[] = new int[nButtons];
+        double values[] = new double[nButtons];
-
         for(int i = 0; i < nButtons; i++)
-            values[i] = new Random().nextInt((int)(threshold * 3));
+            values[i] = new Random().nextDouble() * (threshold * 3);
-
         setValues(values);
     }
 
     public NumberButtonView indexToButton(int i)
     {
         int position = i;
-
         if (getCheckmarkOrder() == RIGHT_TO_LEFT) position = nButtons - i - 1;
-
         return (NumberButtonView) getChildAt(position);
     }
 
@@ -159,7 +155,7 @@ public class NumberPanelView extends LinearLayout
         setupButtons();
     }
 
-    public void setValues(int[] values)
+    public void setValues(double[] values)
     {
         this.values = values;
         setupButtons();
@@ -218,7 +214,7 @@ public class NumberPanelView extends LinearLayout
         }
 
         setWillNotDraw(false);
-        values = new int[0];
+        values = new double[0];
     }
 
     private void setupButtonControllers(long timestamp,

app/src/main/java/org/isoron/uhabits/models/Checkmark.java

@@ -51,6 +51,15 @@ public final class Checkmark
 
     private final long timestamp;
 
+    /**
+     * The value of the checkmark.
+     *
+     * For boolean habits, this equals either UNCHECKED, CHECKED_EXPLICITLY,
+     * or CHECKED_IMPLICITLY.
+     *
+     * For numerical habits, this number is stored in thousandths. That
+     * is, if the user enters value 1.50 on the app, it is stored as 1500.
+     */
     private final int value;
 
     public Checkmark(long timestamp, int value)

app/src/main/java/org/isoron/uhabits/models/Repetition.java

@@ -30,6 +30,15 @@ public final class Repetition
 
     private final long timestamp;
 
+    /**
+     * The value of the repetition.
+     *
+     * For boolean habits, this equals either Checkmark.UNCHECKED,
+     * Checkmark.CHECKED_EXPLICITLY, or Checkmark.CHECKED_IMPLICITLY.
+     *
+     * For numerical habits, this number is stored in thousandths. That
+     * is, if the user enters value 1.50 on the app, it is stored as 1500.
+     */
     private final int value;
 
     /**

app/src/main/java/org/isoron/uhabits/models/ScoreList.java

@@ -280,6 +280,7 @@ public abstract class ScoreList implements Iterable<Score>
 
             if(habit.isNumerical())
             {
+                value /= 1000;
                 value /= habit.getTargetValue();
                 value = Math.min(1, value);
             }

app/src/main/res/layout/number_picker_dialog.xml

@@ -30,4 +30,23 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"/>
 
+    <TextView
+        android:id="@+id/tvSeparator"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="."/>
+
+    <NumberPicker
+        android:id="@+id/picker2"
+        android:layout_gravity="center"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:descendantFocusability="blocksDescendants"
+        />
+
+    <TextView
+        android:id="@+id/tvUnit"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"/>
+
 </LinearLayout>