Added ability to delete comments.

fixes #60
Added translations for german and italian

app/src/main/java/com/todoroo/astrid/notes/CommentsController.kt

@@ -6,6 +6,7 @@
 package com.todoroo.astrid.notes
 
 import android.app.Activity
+import android.app.AlertDialog
 import android.graphics.Color
 import android.net.Uri
 import android.text.Html
@@ -14,11 +15,12 @@ import android.view.ViewGroup
 import android.widget.Button
 import android.widget.ImageView
 import android.widget.TextView
+import android.widget.Toast
 import androidx.appcompat.app.AppCompatActivity
 import androidx.lifecycle.lifecycleScope
 import com.todoroo.andlib.utility.DateUtilities
 import com.todoroo.astrid.data.Task
-import kotlinx.coroutines.launch
+import kotlinx.coroutines.*
 import org.tasks.R
 import org.tasks.data.UserActivity
 import org.tasks.data.UserActivityDao
@@ -29,6 +31,7 @@ import org.tasks.locale.Locale
 import org.tasks.preferences.Preferences
 import java.util.*
 import javax.inject.Inject
+import kotlin.coroutines.coroutineContext
 import kotlin.math.min
 
 class CommentsController @Inject constructor(
@@ -94,6 +97,35 @@ class CommentsController @Inject constructor(
         // picture
         val commentPictureView = view.findViewById<ImageView>(R.id.comment_picture)
         setupImagePopupForCommentView(view, commentPictureView, item.pictureUri, activity)
+
+        // delete button
+        val deleteBtn = view.findViewById<ImageView>(R.id.delete)
+        deleteBtn.setOnClickListener(){
+            val builder = AlertDialog.Builder(commentsContainer!!.context)
+
+            // Display a message on alert dialog
+            builder.setMessage(R.string.delete_comment)
+
+            // Set a positive button and its click listener on alert dialog
+            builder.setPositiveButton(R.string.delete){dialog, which ->
+
+                (activity as AppCompatActivity).lifecycleScope.launch {
+                    withContext(NonCancellable) {
+                        userActivityDao.delete(item)
+                    }
+                    reloadView()
+                }
+            }
+
+            // Display a negative button on alert dialog
+            builder.setNegativeButton(android.R.string.cancel){dialog,which ->
+            }
+            // Finally, make the alert dialog using builder
+            val dialog: AlertDialog = builder.create()
+
+            // Display the alert dialog on app interface
+            dialog.show()
+        }
     }
 
     companion object {

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

@@ -3,36 +3,53 @@
 **
 ** See the file "LICENSE" for the full license governing this code. 
 -->
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<RelativeLayout
-  xmlns:tools="http://schemas.android.com/tools"
+    xmlns:android="http://schemas.android.com/apk/res/android"
-  android:layout_width="fill_parent"
+    android:id="@+id/comment_row"
-  android:layout_height="wrap_content"
+    style="@style/CommentsRow"
-  android:padding="@dimen/keyline_first"
+    android:background="?attr/selectableItemBackground"
-  android:background="?attr/selectableItemBackground"
+    android:paddingRight="@dimen/widget_padding">
-  android:orientation="vertical">
+
-
+    <include layout="@layout/control_set_delete_button" />
-  <TextView
+
-    android:id="@+id/title"
+    <LinearLayout
-    android:layout_width="wrap_content"
+      xmlns:tools="http://schemas.android.com/tools"
-    android:layout_height="wrap_content"
+      android:layout_width="fill_parent"
-    android:textSize="16sp"/>
+      android:layout_height="wrap_content"
-
+      android:layout_alignParentStart="true"
-  <TextView
+      android:layout_toStartOf="@id/delete"
-    android:id="@+id/date"
+      android:padding="@dimen/keyline_first"
-    android:textStyle="normal"
+      android:background="?attr/selectableItemBackground"
-    android:layout_width="wrap_content"
+      android:orientation="vertical">
-    android:layout_height="wrap_content"
+
-    android:ellipsize="end"
+      <TextView
-    android:singleLine="true"
+        android:id="@+id/title"
-    android:textColor="?android:attr/textColorSecondary"
+        android:layout_width="wrap_content"
-    android:textSize="12sp"/>
+        android:layout_height="wrap_content"
-
+        android:textSize="16sp"/>
-  <ImageView
+
-    android:id="@+id/comment_picture"
+      <!-- add Edit button here -->
-    android:layout_width="50dip"
+
-    android:layout_height="50dip"
+      <TextView
-    android:scaleType="fitCenter"
+        android:id="@+id/date"
-    android:visibility="gone"
+        android:textStyle="normal"
-    tools:ignore="ContentDescription"/>
+        android:layout_width="wrap_content"
-
+        android:layout_height="wrap_content"
-</LinearLayout>
+        android:ellipsize="end"
+        android:singleLine="true"
+        android:textColor="?android:attr/textColorSecondary"
+        android:textSize="12sp"/>
+
+      <ImageView
+        android:id="@+id/comment_picture"
+        android:layout_width="50dip"
+        android:layout_height="50dip"
+        android:scaleType="fitCenter"
+        android:visibility="gone"
+        tools:ignore="ContentDescription"/>
+
+    </LinearLayout>
+
+
+</RelativeLayout>
+

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

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<ImageView xmlns:android="http://schemas.android.com/apk/res/android"
+  xmlns:app="http://schemas.android.com/apk/res-auto"
+  android:id="@+id/delete"
+  android:layout_width="wrap_content"
+  android:layout_height="wrap_content"
+  android:layout_weight="1"
+  android:layout_alignParentEnd="true"
+  android:layout_centerInParent="true"
+  android:alpha="@dimen/alpha_secondary"
+  android:background="?attr/selectableItemBackgroundBorderless"
+  android:src="@drawable/ic_outline_delete_24px"
+    android:padding="@dimen/widget_padding"
+  app:tint="@color/icon_tint"
+  android:clickable="true"  />

app/src/main/res/values-de/strings.xml

@@ -82,7 +82,7 @@
     <string name="EPr_edit_screen_options">Bildschirmeinstellungen bearbeiten</string>
     <string name="EPr_beastMode_reset">Auf Standardeinstellungen zurücksetzen</string>
     <string name="EPr_fullTask_title">Aufgabentitel ganz anzeigen</string>
-    <string name="EPr_show_task_edit_comments">Kommentare bei Aufgabeneingabe anzeigen </string>
+    <string name="EPr_show_task_edit_comments">Kommentare bei Aufgabeneingabe anzeigen</string>
     <string name="task_list_options">Aufgabenlisten-Optionen</string>
     <string name="EPr_cal_end_or_start_at_due_time">Zeitpunkt für Kalendereintrag</string>
     <string name="EPr_cal_end_at_due_time">Kalendereintrag endet zur Fälligkeitsuhrzeit</string>
@@ -641,4 +641,5 @@
     <string name="last_backup_never">nie</string>
     <string name="device_settings">Geräteeinstellungen</string>
     <string name="account">Konto</string>
+    <string name="delete_comment">Kommentar löschen?</string>
 </resources>

app/src/main/res/values-it/strings.xml

@@ -640,4 +640,5 @@
     <string name="automatic_backups">Backup automatici</string>
     <string name="background_location_permission_required">Sono necessari i relativi permessi per i promemoria basati sulla localizzazione. Se in precedenza è stata negata una richiesta di autorizzazione alla localizzazione, sarà necessario concedere manualmente tale autorizzazione nelle impostazioni del dispositivo.</string>
     <string name="no_app_found">Nessuna app è in grado di gestire questa richiesta</string>
+    <string name="delete_comment">Elimina questo commento?</string>
 </resources>

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

@@ -646,4 +646,5 @@ File %1$s contained %2$s.\n\n
   <string name="backups_ignore_warnings">Ignore warnings</string>
   <string name="backups_ignore_warnings_summary">Ignore backup warnings if you do not need backups or have your own backup solution</string>
   <string name="backup_location_warning">WARNING: Files located in %s will be deleted if Tasks is uninstalled! Please choose a custom location to prevent Android from deleting your files.</string>
+  <string name="delete_comment">Delete this comment?</string>
 </resources>

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

@@ -70,6 +70,12 @@
     <item name="android:editTextColor">@color/black_87</item>
   </style>
 
+  <style name="CommentsRow" >
+    <item name="android:focusable">true</item>
+    <item name="android:layout_width">match_parent</item>
+    <item name="android:layout_height">wrap_content</item>
+  </style>
+
   <style name="TagSettingsRow" parent="Widget.Design.TextInputLayout">
     <item name="android:textSize">18sp</item>
     <item name="android:clickable">true</item>