Implement NumberPopup

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

@@ -25,6 +25,7 @@ import android.view.Gravity
 import android.view.LayoutInflater
 import android.view.View
 import android.view.View.GONE
+import android.view.View.VISIBLE
 import android.widget.PopupWindow
 import org.isoron.platform.gui.ScreenLocation
 import org.isoron.uhabits.R
@@ -59,6 +60,7 @@ class CheckmarkPopup(
     }
 
     init {
+        view.booleanButtons.visibility = VISIBLE
         initColors()
         initTypefaces()
         hideDisabledButtons()

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

@@ -0,0 +1,112 @@
+/*
+ * Copyright (C) 2016-2021 Álinson Santos Xavier <git@axavier.org>
+ *
+ * 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.activities.common.dialogs
+
+import android.content.Context
+import android.view.Gravity
+import android.view.KeyEvent.KEYCODE_ENTER
+import android.view.LayoutInflater
+import android.view.MotionEvent.ACTION_DOWN
+import android.view.View
+import android.view.View.GONE
+import android.view.View.VISIBLE
+import android.widget.PopupWindow
+import org.isoron.platform.gui.ScreenLocation
+import org.isoron.uhabits.core.models.Entry
+import org.isoron.uhabits.core.preferences.Preferences
+import org.isoron.uhabits.databinding.CheckmarkPopupBinding
+import org.isoron.uhabits.utils.dimBehind
+import org.isoron.uhabits.utils.dp
+import org.isoron.uhabits.utils.requestFocusWithKeyboard
+import java.text.DecimalFormat
+
+class NumberPopup(
+    private val context: Context,
+    private var notes: String,
+    private var value: Double,
+    private val prefs: Preferences,
+    private val anchor: View,
+) {
+    var onToggle: (Double, String) -> Unit = { _, _ -> }
+    private val originalValue = value
+
+    private val view = CheckmarkPopupBinding.inflate(LayoutInflater.from(context)).apply {
+        // Required for round corners
+        container.clipToOutline = true
+    }
+
+    init {
+        view.numberButtons.visibility = VISIBLE
+        hideDisabledButtons()
+        populate()
+    }
+
+    private fun hideDisabledButtons() {
+        if (!prefs.isSkipEnabled) view.skipBtnNumber.visibility = GONE
+    }
+
+    private fun populate() {
+        view.notes.setText(notes)
+        view.value.setText(
+            when {
+                value < 0.01 -> "0"
+                else -> DecimalFormat("#.##").format(value)
+            }
+        )
+    }
+
+    fun show(location: ScreenLocation) {
+        val popup = PopupWindow()
+        popup.contentView = view.root
+        popup.width = view.root.dp(POPUP_WIDTH).toInt()
+        popup.height = view.root.dp(POPUP_HEIGHT).toInt()
+        popup.isFocusable = true
+        popup.elevation = view.root.dp(24f)
+        popup.setOnDismissListener {
+            save()
+        }
+        view.value.setOnKeyListener { _, keyCode, event ->
+            if (event.action == ACTION_DOWN && keyCode == KEYCODE_ENTER) {
+                popup.dismiss()
+                return@setOnKeyListener true
+            }
+            return@setOnKeyListener false
+        }
+        view.saveBtn.setOnClickListener { popup.dismiss() }
+        view.skipBtnNumber.setOnClickListener {
+            view.value.setText((Entry.SKIP.toDouble() / 1000).toString())
+            popup.dismiss()
+        }
+        popup.showAtLocation(
+            anchor,
+            Gravity.NO_GRAVITY,
+            view.root.dp(location.x.toFloat()).toInt(),
+            view.root.dp(location.y.toFloat()).toInt(),
+        )
+        view.value.requestFocusWithKeyboard()
+        popup.dimBehind()
+    }
+
+    fun save() {
+        val value = view.value.text.toString().toDoubleOrNull() ?: originalValue
+        val notes = view.notes.text.toString()
+        onToggle(value, notes)
+    }
+}

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

@@ -31,6 +31,7 @@ import org.isoron.uhabits.activities.common.dialogs.CheckmarkPopup
 import org.isoron.uhabits.activities.common.dialogs.ColorPickerDialogFactory
 import org.isoron.uhabits.activities.common.dialogs.ConfirmDeleteDialog
 import org.isoron.uhabits.activities.common.dialogs.NumberPickerFactory
+import org.isoron.uhabits.activities.common.dialogs.NumberPopup
 import org.isoron.uhabits.activities.common.dialogs.POPUP_WIDTH
 import org.isoron.uhabits.activities.habits.edit.HabitTypeDialog
 import org.isoron.uhabits.activities.habits.list.views.HabitCardListAdapter
@@ -242,6 +243,25 @@ class ListHabitsScreen
         numberPickerFactory.create(value, unit, notes, dateString, frequency, callback).show()
     }
 
+    override fun showNumberPopup(
+        value: Double,
+        notes: String,
+        location: ScreenLocation,
+        callback: ListHabitsBehavior.NumberPickerCallback
+    ) {
+        val view = rootView.get()
+        NumberPopup(
+            context = context,
+            prefs = preferences,
+            anchor = view,
+            notes = notes,
+            value = value,
+        ).apply {
+            onToggle = { value, notes -> callback.onNumberPicked(value, notes) }
+            show(getPopupLocation(location))
+        }
+    }
+
     override fun showCheckmarkPopup(
         selectedValue: Int,
         notes: String,
@@ -259,15 +279,15 @@ class ListHabitsScreen
             value = selectedValue,
         ).apply {
             onToggle = { value, notes -> callback.onNotesSaved(value, notes) }
-            show(
-                ScreenLocation(
-                    x = location.x - POPUP_WIDTH / 2,
-                    y = location.y
-                )
-            )
+            show(getPopupLocation(location))
         }
     }
 
+    private fun getPopupLocation(clickLocation: ScreenLocation) = ScreenLocation(
+        x = clickLocation.x - POPUP_WIDTH / 2,
+        y = clickLocation.y
+    )
+
     private fun getExecuteString(command: Command): String? {
         when (command) {
             is ArchiveHabitsCommand -> {

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

@@ -28,6 +28,7 @@ import android.text.TextPaint
 import android.view.View
 import android.view.View.OnClickListener
 import android.view.View.OnLongClickListener
+import org.isoron.platform.gui.ScreenLocation
 import org.isoron.uhabits.R
 import org.isoron.uhabits.core.models.Entry
 import org.isoron.uhabits.core.models.NumericalHabitType.AT_LEAST
@@ -37,6 +38,7 @@ import org.isoron.uhabits.inject.ActivityContext
 import org.isoron.uhabits.utils.InterfaceUtils.getDimension
 import org.isoron.uhabits.utils.dim
 import org.isoron.uhabits.utils.drawNotesIndicator
+import org.isoron.uhabits.utils.getCenter
 import org.isoron.uhabits.utils.getFontAwesome
 import org.isoron.uhabits.utils.sres
 import java.text.DecimalFormat
@@ -108,7 +110,8 @@ class NumberButtonView(
             invalidate()
         }
 
-    var onEdit: () -> Unit = {}
+    var onEdit: (ScreenLocation) -> Unit = { _ -> }
+
     private var drawer: Drawer = Drawer(context)
 
     init {
@@ -117,11 +120,11 @@ class NumberButtonView(
     }
 
     override fun onClick(v: View) {
-        onEdit()
+        onEdit(getCenter())
     }
 
     override fun onLongClick(v: View): Boolean {
-        onEdit()
+        onEdit(getCenter())
         return true
     }
 

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

@@ -26,7 +26,6 @@ import org.isoron.uhabits.core.models.Timestamp
 import org.isoron.uhabits.core.preferences.Preferences
 import org.isoron.uhabits.core.utils.DateUtils
 import org.isoron.uhabits.inject.ActivityContext
-import org.isoron.uhabits.utils.getCenter
 import javax.inject.Inject
 
 class NumberPanelViewFactory
@@ -106,7 +105,7 @@ class NumberPanelView(
             button.targetType = targetType
             button.threshold = threshold
             button.units = units
-            button.onEdit = { onEdit(getCenter(), timestamp) }
+            button.onEdit = { location -> onEdit(location, timestamp) }
         }
     }
 }

uhabits-android/src/main/java/org/isoron/uhabits/activities/habits/show/ShowHabitActivity.kt

@@ -205,7 +205,7 @@ class ShowHabitActivity : AppCompatActivity(), CommandRunner.Listener {
                 prefs = preferences,
                 notes = notes,
                 color = view.currentTheme().color(color).toInt(),
-                anchor = view,
+                anchor = anchor,
                 value = selectedValue,
             ).apply {
                 onToggle = { v, n -> callback.onNotesSaved(v, n) }

uhabits-android/src/main/java/org/isoron/uhabits/utils/ViewExtensions.kt

@@ -28,12 +28,15 @@ import android.graphics.Color
 import android.graphics.Paint
 import android.graphics.drawable.ColorDrawable
 import android.os.Handler
+import android.os.SystemClock
 import android.view.LayoutInflater
+import android.view.MotionEvent
 import android.view.View
 import android.view.ViewGroup
 import android.view.ViewGroup.LayoutParams.MATCH_PARENT
 import android.view.ViewGroup.LayoutParams.WRAP_CONTENT
 import android.view.WindowManager
+import android.widget.EditText
 import android.widget.PopupWindow
 import android.widget.RelativeLayout
 import android.widget.RelativeLayout.ALIGN_PARENT_BOTTOM
@@ -256,3 +259,16 @@ fun View.getTopLeftCorner(): ScreenLocation {
         y = (loc[1] / density).toDouble(),
     )
 }
+
+fun View.requestFocusWithKeyboard() {
+    // For some reason, Android does not open the soft keyboard by default when view.requestFocus
+    // is called. Several online solutions suggest using InputMethodManager, but these solutions
+    // are not reliable; sometimes the keyboard does not show, and sometimes it does not go away
+    // after focus is lost. Here, we simulate a click on the view, which triggers the keyboard.
+    // Based on: https://stackoverflow.com/a/7699556
+    postDelayed({
+        val time = SystemClock.uptimeMillis()
+        dispatchTouchEvent(MotionEvent.obtain(time, time, MotionEvent.ACTION_DOWN, 0f, 0f, 0))
+        dispatchTouchEvent(MotionEvent.obtain(time, time, MotionEvent.ACTION_UP, 0f, 0f, 0))
+    }, 250)
+}

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

@@ -42,6 +42,8 @@
         android:text="" />
 
     <androidx.appcompat.widget.LinearLayoutCompat
+        android:id="@+id/booleanButtons"
+        android:visibility="gone"
         android:layout_width="match_parent"
         android:layout_height="48dp"
         android:orientation="horizontal"
@@ -69,4 +71,34 @@
             android:text="@string/fa_question" />
     </androidx.appcompat.widget.LinearLayoutCompat>
 
-</androidx.appcompat.widget.LinearLayoutCompat>
+    <androidx.appcompat.widget.LinearLayoutCompat
+        android:id="@+id/numberButtons"
+        android:visibility="gone"
+        android:layout_width="match_parent"
+        android:layout_height="48dp"
+        android:orientation="horizontal"
+        app:divider="@drawable/checkmark_dialog_divider"
+        app:showDividers="middle">
+
+        <androidx.appcompat.widget.AppCompatEditText
+            android:id="@+id/value"
+            android:layout_width="0dp"
+            android:layout_height="match_parent"
+            android:layout_weight="1"
+            android:background="@color/transparent"
+            android:textAlignment="center"
+            android:inputType="numberDecimal"
+            android:selectAllOnFocus="true"
+            android:textSize="@dimen/smallTextSize" />
+
+        <TextView
+            android:id="@+id/skipBtnNumber"
+            style="@style/NumericalPopupBtn"
+            android:text="@string/skip_day" />
+
+        <TextView
+            android:id="@+id/saveBtn"
+            style="@style/NumericalPopupBtn"
+            android:text="@string/save" />
+    </androidx.appcompat.widget.LinearLayoutCompat>
+</androidx.appcompat.widget.LinearLayoutCompat>

uhabits-android/src/main/res/values/styles.xml

@@ -398,4 +398,19 @@
         <item name="android:textSize">@dimen/smallerTextSize</item>
     </style>
 
+    <style name="NumericalPopupBtn">
+        <item name="android:layout_width">wrap_content</item>
+        <item name="android:layout_height">match_parent</item>
+        <item name="android:paddingStart">12dp</item>
+        <item name="android:paddingEnd">12dp</item>
+        <item name="android:textStyle">bold</item>
+        <item name="android:gravity">center</item>
+        <item name="android:clickable">true</item>
+        <item name="android:focusable">true</item>
+        <item name="android:background">@drawable/ripple_transparent</item>
+        <item name="android:textSize">@dimen/smallerTextSize</item>
+        <item name="android:textAllCaps">true</item>
+
+    </style>
+
 </resources>