Implement dummy history editor; add edit history button

app/src/main/java/org/isoron/uhabits/dialogs/HistoryEditorDialog.java

@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+ *
+ * This file is part of Loop Habit Tracker.
+ *
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.isoron.uhabits.dialogs;
+
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.app.DialogFragment;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.os.Bundle;
+import android.util.DisplayMetrics;
+import android.util.Log;
+
+import org.isoron.uhabits.R;
+import org.isoron.uhabits.models.Habit;
+import org.isoron.uhabits.views.HabitHistoryView;
+
+public class HistoryEditorDialog extends DialogFragment
+    implements DialogInterface.OnClickListener
+{
+    @Override
+    public Dialog onCreateDialog(Bundle savedInstanceState)
+    {
+        Context context = getActivity();
+
+        int p = (int) getResources().getDimension(R.dimen.history_editor_padding);
+
+        HabitHistoryView historyView = new HabitHistoryView(context, null);
+        historyView.setHabit(Habit.get(4L));
+        historyView.setPadding(p, 0, p, 0);
+
+        AlertDialog.Builder builder = new AlertDialog.Builder(context);
+        builder.setTitle("History Editor")
+                .setView(historyView)
+                .setPositiveButton(android.R.string.ok, this);
+
+        return builder.create();
+    }
+
+    @Override
+    public void onResume()
+    {
+        super.onResume();
+
+        DisplayMetrics metrics = getResources().getDisplayMetrics();
+        int maxHeight = getResources().getDimensionPixelSize(R.dimen.history_editor_max_height);
+        int width = metrics.widthPixels;
+        int height = Math.min(metrics.heightPixels, maxHeight);
+
+        Log.d("HistoryEditorDialog", String.format("h=%d max_h=%d", height, maxHeight));
+
+        getDialog().getWindow().setLayout(width, height);
+    }
+
+    @Override
+    public void onClick(DialogInterface dialog, int which)
+    {
+
+    }
+}

app/src/main/java/org/isoron/uhabits/fragments/ShowHabitFragment.java

@@ -28,6 +28,7 @@ import android.view.MenuInflater;
 import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.Button;
 import android.widget.TextView;
 
 import org.isoron.helpers.ColorHelper;
@@ -35,6 +36,7 @@ import org.isoron.helpers.Command;
 import org.isoron.helpers.DialogHelper;
 import org.isoron.uhabits.R;
 import org.isoron.uhabits.ShowHabitActivity;
+import org.isoron.uhabits.dialogs.HistoryEditorDialog;
 import org.isoron.uhabits.helpers.ReminderHelper;
 import org.isoron.uhabits.models.Habit;
 import org.isoron.uhabits.models.Score;
@@ -75,6 +77,7 @@ public class ShowHabitFragment extends Fragment implements DialogHelper.OnSavedL
         TextView tvStrength = (TextView) view.findViewById(R.id.tvStrength);
         TextView tvStreaks = (TextView) view.findViewById(R.id.tvStreaks);
         RingView scoreRing = (RingView) view.findViewById(R.id.scoreRing);
+        Button btEditHistory = (Button) view.findViewById(R.id.btEditHistory);
         HabitStreakView streakView = (HabitStreakView) view.findViewById(R.id.streakView);
         HabitScoreView scoreView = (HabitScoreView) view.findViewById(R.id.scoreView);
         HabitHistoryView historyView = (HabitHistoryView) view.findViewById(R.id.historyView);
@@ -90,6 +93,16 @@ public class ShowHabitFragment extends Fragment implements DialogHelper.OnSavedL
         scoreView.setHabit(habit);
         historyView.setHabit(habit);
 
+        btEditHistory.setOnClickListener(new View.OnClickListener()
+        {
+            @Override
+            public void onClick(View v)
+            {
+                HistoryEditorDialog frag = new HistoryEditorDialog();
+                frag.show(getFragmentManager(), "dialog");
+            }
+        });
+
         setHasOptionsMenu(true);
         return view;
     }

app/src/main/java/org/isoron/uhabits/views/HabitHistoryView.java

@@ -29,6 +29,7 @@ import android.util.AttributeSet;
 
 import org.isoron.helpers.ColorHelper;
 import org.isoron.helpers.DateHelper;
+import org.isoron.uhabits.R;
 import org.isoron.uhabits.models.Habit;
 
 import java.text.SimpleDateFormat;
@@ -50,7 +51,6 @@ public class HabitHistoryView extends ScrollableDataView
     private int columnWidth;
     private int columnHeight;
     private int nColumns;
-    private int baseSize;
 
     private String wdays[];
     private SimpleDateFormat dfMonth;
@@ -70,6 +70,7 @@ public class HabitHistoryView extends ScrollableDataView
     {
         super(context, attrs);
         this.primaryColor = ColorHelper.palette[7];
+        this.checkmarks = new int[0];
         init();
     }
 
@@ -83,6 +84,7 @@ public class HabitHistoryView extends ScrollableDataView
 
     private void init()
     {
+        fetchData();
         createPaints();
         createColors();
 
@@ -117,23 +119,42 @@ public class HabitHistoryView extends ScrollableDataView
     protected void onSizeChanged(int width, int height, int oldWidth, int oldHeight)
     {
         if(height < 8) height = 200;
-
+        int baseSize = height / 8;
-        baseSize = height / 8;
         setScrollerBucketSize(baseSize);
 
-        columnWidth = baseSize;
-        columnHeight = 8 * baseSize;
-        nColumns = width / baseSize;
-
         squareSpacing = (int) Math.floor(baseSize / 15.0);
-        pSquareFg.setTextSize(baseSize * 0.5f);
+        int maxTextSize = getResources().getDimensionPixelSize(R.dimen.history_max_font_size);
-        pTextHeader.setTextSize(baseSize * 0.5f);
+        float textSize = Math.min(baseSize * 0.5f, maxTextSize);
+
+        pSquareFg.setTextSize(textSize);
+        pTextHeader.setTextSize(textSize);
         squareTextOffset = pSquareFg.getFontSpacing() * 0.4f;
         headerTextOffset = pTextHeader.getFontSpacing() * 0.3f;
 
+        int rightLabelWidth = getWeekdayLabelWidth();
+        int horizontalPadding = getPaddingRight() + getPaddingLeft();
+
+        columnWidth = baseSize;
+        columnHeight = 8 * baseSize;
+        nColumns = (width - rightLabelWidth - horizontalPadding) / baseSize + 1;
+
         updateDate();
     }
 
+    private int getWeekdayLabelWidth()
+    {
+        int width = 0;
+        Rect bounds = new Rect();
+
+        for(String w : wdays)
+        {
+            pSquareFg.getTextBounds(w, 0, w.length(), bounds);
+            width = Math.max(width, bounds.right);
+        }
+
+        return width;
+    }
+
     private void createColors()
     {
         if(habit != null)
@@ -185,12 +206,7 @@ public class HabitHistoryView extends ScrollableDataView
             generateRandomData();
         else
         {
-            if(habit == null)
+            if(habit == null) return;
-            {
-                checkmarks = new int[0];
-                return;
-            }
-
             checkmarks = habit.checkmarks.getAllValues();
         }
 
@@ -226,6 +242,7 @@ public class HabitHistoryView extends ScrollableDataView
         super.onDraw(canvas);
 
         baseLocation.set(0, 0, columnWidth - squareSpacing, columnWidth - squareSpacing);
+        baseLocation.offset(getPaddingLeft(), getPaddingTop());
 
         previousMonth = "";
         previousYear = "";

app/src/main/java/org/isoron/uhabits/views/HabitScoreView.java

@@ -71,6 +71,7 @@ public class HabitScoreView extends ScrollableDataView
     {
         super(context, attrs);
         this.primaryColor = ColorHelper.palette[7];
+        this.scores = new int[0];
         init();
     }
 
@@ -84,6 +85,7 @@ public class HabitScoreView extends ScrollableDataView
 
     private void init()
     {
+        fetchData();
         createPaints();
         createColors();
 
@@ -168,12 +170,7 @@ public class HabitScoreView extends ScrollableDataView
             generateRandomData();
         else
         {
-            if (habit == null)
+            if (habit == null) return;
-            {
-                scores = new int[0];
-                return;
-            }
-
             scores = habit.scores.getAllValues(BUCKET_SIZE * DateHelper.millisecondsInOneDay);
         }
 

app/src/main/java/org/isoron/uhabits/views/HabitStreakView.java

@@ -65,6 +65,7 @@ public class HabitStreakView extends ScrollableDataView
     {
         super(context, attrs);
         this.primaryColor = ColorHelper.palette[7];
+        startTimes = endTimes = lengths = new long[0];
         init();
     }
 
@@ -79,6 +80,7 @@ public class HabitStreakView extends ScrollableDataView
 
     private void init()
     {
+        fetchData();
         createPaints();
         createColors();
 
@@ -163,11 +165,7 @@ public class HabitStreakView extends ScrollableDataView
             generateRandomData();
         else
         {
-            if(habit == null)
+            if(habit == null) return;
-            {
-                startTimes = endTimes = lengths = new long[0];
-                return;
-            }
 
             List<Streak> streaks = habit.streaks.getAll();
             int size = streaks.size();

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

@@ -18,8 +18,8 @@
   -->
 
 <ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
-            xmlns:tools="http://schemas.android.com/tools"
             xmlns:app="http://isoron.org/android"
+            xmlns:tools="http://schemas.android.com/tools"
             android:layout_width="fill_parent"
             android:layout_height="wrap_content"
             android:background="@color/windowBackground"
@@ -60,24 +60,32 @@
 
         </LinearLayout>
 
-        <LinearLayout style="@style/cardStyle">
+        <LinearLayout
+            style="@style/cardStyle"
+            android:paddingBottom="0dp"
+            android:clipToPadding="false"
+            android:orientation="vertical">
 
             <TextView
                 android:id="@+id/tvHistory"
                 style="@style/cardHeaderStyle"
                 android:text="@string/history"/>
 
-            <LinearLayout
-                android:id="@+id/llHistory"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:orientation="horizontal"/>
-
             <org.isoron.uhabits.views.HabitHistoryView
                 android:id="@+id/historyView"
                 android:layout_width="match_parent"
                 android:layout_height="160dp" />
 
+            <Button
+                style="?android:borderlessButtonStyle"
+                android:id="@+id/btEditHistory"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center"
+                android:src="@drawable/ic_action_edit_light"
+                android:textColor="@color/grey_400"
+                android:text="@string/edit"/>
+
         </LinearLayout>
 
         <LinearLayout style="@style/cardStyle">

app/src/main/res/values/colors.xml

@@ -316,7 +316,7 @@
     <color name="grey_100">#F5F5F5</color>
     <!--<color name="grey_200">#EEEEEE</color>-->
     <!--<color name="grey_300">#E0E0E0</color>-->
-    <!--<color name="grey_400">#BDBDBD</color>-->
+    <color name="grey_400">#BDBDBD</color>
     <color name="grey_500">#9E9E9E</color>
     <!--<color name="grey_600">#757575</color>-->
     <!--<color name="grey_700">#616161</color>-->

app/src/main/res/values/dimens.xml

@@ -20,6 +20,9 @@
 <resources>
     <dimen name="small_square_size">20dp</dimen>
     <dimen name="check_square_size">42dp</dimen>
+    <dimen name="history_editor_max_height">450dp</dimen>
+    <dimen name="history_editor_padding">8dp</dimen>
+    <dimen name="history_max_font_size">14sp</dimen>
 
     <string-array name="snooze_interval_names">
         <item>@string/interval_15_minutes</item>