From e549ca76769eaf5a9822e3b3d8242505ac8e9867 Mon Sep 17 00:00:00 2001
From: akaessens <24660231+akaessens@users.noreply.github.com>
Date: Sun, 27 Sep 2020 13:30:29 +0200
Subject: [PATCH] add undo function for clear events

---
 .../com/akdev/nofbeventscraper/SettingsActivity.java | 12 ++++++++++--
 app/src/main/res/values-de/strings.xml               |  1 +
 app/src/main/res/values/strings.xml                  | 10 ++++++----
 3 files changed, 17 insertions(+), 6 deletions(-)

diff --git a/app/src/main/java/com/akdev/nofbeventscraper/SettingsActivity.java b/app/src/main/java/com/akdev/nofbeventscraper/SettingsActivity.java
index 6247803..ef891a0 100644
--- a/app/src/main/java/com/akdev/nofbeventscraper/SettingsActivity.java
+++ b/app/src/main/java/com/akdev/nofbeventscraper/SettingsActivity.java
@@ -43,12 +43,20 @@ public class SettingsActivity extends AppCompatActivity {
                     @Override
                     public boolean onPreferenceClick(Preference preference) {
 
-                        SharedPreferences prefs = preference.getSharedPreferences();
+                        final SharedPreferences prefs = preference.getSharedPreferences();
 
+                        final String undo = prefs.getString("events", "");
                         prefs.edit().remove("events").apply();
 
                         Snackbar.make(getActivity().findViewById(android.R.id.content),
-                                getString(R.string.preferences_event_snackbar), Snackbar.LENGTH_SHORT).show();
+                                getString(R.string.preferences_event_snackbar), Snackbar.LENGTH_SHORT)
+                                .setAction(R.string.undo, new View.OnClickListener() {
+
+                            @Override
+                            public void onClick(View v) {
+                                prefs.edit().putString("events", undo).apply();
+                            }
+                        }).show();
 
                         return true;
                     }
diff --git a/app/src/main/res/values-de/strings.xml b/app/src/main/res/values-de/strings.xml
index 06b8adc..5278d7c 100644
--- a/app/src/main/res/values-de/strings.xml
+++ b/app/src/main/res/values-de/strings.xml
@@ -19,4 +19,5 @@
     <string name="preferences_event_setting">Veranstaltungsliste löschen</string>
     <string name="preferences_event_snackbar">"Veranstaltungen gelöscht "</string>
     <string name="done">Fertig</string>
+    <string name="undo">Rückgängig</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index c28acc5..c804608 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -8,9 +8,6 @@
 
     <!-- Input hints -->
     <string name="hint_add_link">Event link</string>
-    <string name="done">Done</string>
-
-
     <string name="helper_add_link">Paste Facebook link to the event</string>
     <string name="button_add">Add to calendar</string>
     <string name="tooltip_paste">Paste content from clipboard into the URL input box</string>
@@ -22,7 +19,7 @@
     <string name="error_connection">Error: Unable to connect</string>
     <string name="error_unknown">Error: Unknown Error</string>
 
-    <string name="event_placeholder" translatable="false">Placeholder</string>
+
 
     <!-- Preferences -->
     <string name="preferences_scraper_header" translatable="false">Scraper</string>
@@ -33,4 +30,9 @@
     <string name="preferences_event_setting">Clear event list</string>
     <string name="preferences_event_snackbar">Events list cleared</string>
 
+    <!-- others -->
+    <string name="event_placeholder" translatable="false">Placeholder</string>
+    <string name="done">Done</string>
+    <string name="undo">Undo</string>
+
 </resources>