From 92441128dfe76527ef6cbce3823f5a17e8e0fe87 Mon Sep 17 00:00:00 2001
From: Karim Abou Zeid <karim23697@gmail.com>
Date: Sun, 21 Jun 2015 14:14:37 +0200
Subject: [PATCH] Everything is prepared to add smart playlists

---
 .../gramophone/adapter/PlaylistAdapter.java   | 21 +++++++-
 .../dialogs/ClearSmartPlaylistDialog.java     | 51 +++++++++++++++++++
 .../dialogs/DeletePlaylistDialog.java         |  1 +
 .../smartplaylist/LastAddedPlaylist.java      |  6 ++-
 .../res/menu/menu_item_smart_playlist.xml     |  5 ++
 .../main/res/menu/menu_playlist_detail.xml    |  5 --
 app/src/main/res/values/strings.xml           |  3 ++
 7 files changed, 85 insertions(+), 7 deletions(-)
 create mode 100644 app/src/main/java/com/kabouzeid/gramophone/dialogs/ClearSmartPlaylistDialog.java

diff --git a/app/src/main/java/com/kabouzeid/gramophone/adapter/PlaylistAdapter.java b/app/src/main/java/com/kabouzeid/gramophone/adapter/PlaylistAdapter.java
index 86c99e20..63f9752b 100644
--- a/app/src/main/java/com/kabouzeid/gramophone/adapter/PlaylistAdapter.java
+++ b/app/src/main/java/com/kabouzeid/gramophone/adapter/PlaylistAdapter.java
@@ -15,6 +15,7 @@ import android.widget.TextView;
 import com.kabouzeid.gramophone.App;
 import com.kabouzeid.gramophone.R;
 import com.kabouzeid.gramophone.dialogs.AddToPlaylistDialog;
+import com.kabouzeid.gramophone.dialogs.ClearSmartPlaylistDialog;
 import com.kabouzeid.gramophone.dialogs.DeletePlaylistDialog;
 import com.kabouzeid.gramophone.helper.MenuItemClickHelper;
 import com.kabouzeid.gramophone.helper.MusicPlayerRemote;
@@ -106,7 +107,18 @@ public class PlaylistAdapter extends AbsMultiSelectAdapter<PlaylistAdapter.ViewH
     protected void onMultipleItemAction(MenuItem menuItem, ArrayList<Playlist> selection) {
         switch (menuItem.getItemId()) {
             case R.id.action_delete_playlist:
-                DeletePlaylistDialog.create(selection).show(activity.getSupportFragmentManager(), "DELETE_PLAYLIST");
+                for (int i = 0; i < selection.size(); i++) {
+                    Playlist playlist = selection.get(i);
+                    if (playlist instanceof SmartPlaylist) {
+                        SmartPlaylist smartPlaylist = (SmartPlaylist) playlist;
+                        ClearSmartPlaylistDialog.create(smartPlaylist).show(activity.getSupportFragmentManager(), "CLEAR_PLAYLIST_" + smartPlaylist.name);
+                        selection.remove(playlist);
+                        i--;
+                    }
+                }
+                if (selection.size() > 0) {
+                    DeletePlaylistDialog.create(selection).show(activity.getSupportFragmentManager(), "DELETE_PLAYLIST");
+                }
                 break;
             case R.id.action_add_to_playlist:
                 AddToPlaylistDialog.create(getSongList(selection)).show(activity.getSupportFragmentManager(), "ADD_PLAYLIST");
@@ -152,6 +164,13 @@ public class PlaylistAdapter extends AbsMultiSelectAdapter<PlaylistAdapter.ViewH
                     popupMenu.setOnMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() {
                         @Override
                         public boolean onMenuItemClick(MenuItem item) {
+                            if (item.getItemId() == R.id.action_clear_playlist) {
+                                Playlist playlist = dataSet.get(getAdapterPosition());
+                                if (playlist instanceof SmartPlaylist) {
+                                    ClearSmartPlaylistDialog.create((SmartPlaylist) playlist).show(activity.getSupportFragmentManager(), "CLEAR_SMART_PLAYLIST_" + playlist.name);
+                                    return true;
+                                }
+                            }
                             return MenuItemClickHelper.handlePlaylistMenuClick(
                                     activity, dataSet.get(getAdapterPosition()), item);
                         }
diff --git a/app/src/main/java/com/kabouzeid/gramophone/dialogs/ClearSmartPlaylistDialog.java b/app/src/main/java/com/kabouzeid/gramophone/dialogs/ClearSmartPlaylistDialog.java
new file mode 100644
index 00000000..0a5adfc1
--- /dev/null
+++ b/app/src/main/java/com/kabouzeid/gramophone/dialogs/ClearSmartPlaylistDialog.java
@@ -0,0 +1,51 @@
+package com.kabouzeid.gramophone.dialogs;
+
+import android.app.Dialog;
+import android.os.Bundle;
+import android.support.annotation.NonNull;
+import android.support.v4.app.DialogFragment;
+import android.text.Html;
+
+import com.afollestad.materialdialogs.MaterialDialog;
+import com.kabouzeid.gramophone.R;
+import com.kabouzeid.gramophone.model.smartplaylist.SmartPlaylist;
+
+/**
+ * @author Karim Abou Zeid (kabouzeid)
+ */
+public class ClearSmartPlaylistDialog extends DialogFragment {
+
+    public static ClearSmartPlaylistDialog create(SmartPlaylist playlist) {
+        ClearSmartPlaylistDialog dialog = new ClearSmartPlaylistDialog();
+        Bundle args = new Bundle();
+        args.putSerializable("playlist", playlist);
+        dialog.setArguments(args);
+        return dialog;
+    }
+
+    @NonNull
+    @Override
+    public Dialog onCreateDialog(Bundle savedInstanceState) {
+        //noinspection unchecked
+        final SmartPlaylist playlist = (SmartPlaylist) getArguments().getSerializable("playlist");
+        int title = R.string.clear_playlist_title;
+        //noinspection ConstantConditions
+        CharSequence content = Html.fromHtml(getString(R.string.clear_playlist_x, playlist.name));
+
+        return new MaterialDialog.Builder(getActivity())
+                .title(title)
+                .content(content)
+                .positiveText(R.string.clear_action)
+                .negativeText(android.R.string.cancel)
+                .callback(new MaterialDialog.ButtonCallback() {
+                    @Override
+                    public void onPositive(MaterialDialog dialog) {
+                        super.onPositive(dialog);
+                        if (getActivity() == null) {
+                            return;
+                        }
+                        playlist.clear(getActivity());
+                    }
+                }).build();
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/kabouzeid/gramophone/dialogs/DeletePlaylistDialog.java b/app/src/main/java/com/kabouzeid/gramophone/dialogs/DeletePlaylistDialog.java
index b9db377e..88fab01c 100644
--- a/app/src/main/java/com/kabouzeid/gramophone/dialogs/DeletePlaylistDialog.java
+++ b/app/src/main/java/com/kabouzeid/gramophone/dialogs/DeletePlaylistDialog.java
@@ -39,6 +39,7 @@ public class DeletePlaylistDialog extends DialogFragment {
         final ArrayList<Playlist> playlists = (ArrayList<Playlist>) getArguments().getSerializable("playlists");
         int title;
         CharSequence content;
+        //noinspection ConstantConditions
         if (playlists.size() > 1) {
             title = R.string.delete_playlists_title;
             content = Html.fromHtml(getString(R.string.delete_x_playlists, playlists.size()));
diff --git a/app/src/main/java/com/kabouzeid/gramophone/model/smartplaylist/LastAddedPlaylist.java b/app/src/main/java/com/kabouzeid/gramophone/model/smartplaylist/LastAddedPlaylist.java
index 7e7121ee..cf51ed53 100644
--- a/app/src/main/java/com/kabouzeid/gramophone/model/smartplaylist/LastAddedPlaylist.java
+++ b/app/src/main/java/com/kabouzeid/gramophone/model/smartplaylist/LastAddedPlaylist.java
@@ -4,12 +4,15 @@ import android.content.Context;
 import android.support.annotation.Nullable;
 import android.support.v7.app.AppCompatActivity;
 
+import com.kabouzeid.gramophone.App;
 import com.kabouzeid.gramophone.R;
 import com.kabouzeid.gramophone.adapter.songadapter.smartplaylist.CannotDeleteSingleSongsSongAdapter;
 import com.kabouzeid.gramophone.adapter.songadapter.smartplaylist.SmartPlaylistSongAdapter;
 import com.kabouzeid.gramophone.interfaces.CabHolder;
 import com.kabouzeid.gramophone.loader.LastAddedLoader;
+import com.kabouzeid.gramophone.model.DataBaseChangedEvent;
 import com.kabouzeid.gramophone.model.Song;
+import com.kabouzeid.gramophone.util.PreferenceUtils;
 
 import java.util.ArrayList;
 
@@ -34,6 +37,7 @@ public class LastAddedPlaylist extends SmartPlaylist {
 
     @Override
     public void clear(Context context) {
-        // TODO
+        PreferenceUtils.getInstance(context).setLastAddedCutoffTimestamp(System.currentTimeMillis());
+        App.bus.post(new DataBaseChangedEvent(DataBaseChangedEvent.PLAYLISTS_CHANGED));
     }
 }
diff --git a/app/src/main/res/menu/menu_item_smart_playlist.xml b/app/src/main/res/menu/menu_item_smart_playlist.xml
index 5a11aaf7..cea1bc73 100644
--- a/app/src/main/res/menu/menu_item_smart_playlist.xml
+++ b/app/src/main/res/menu/menu_item_smart_playlist.xml
@@ -4,7 +4,12 @@
     <item
         android:id="@+id/action_play"
         android:title="@string/action_play" />
+
     <item
         android:id="@+id/action_add_to_current_playing"
         android:title="@string/action_add_to_playing_queue" />
+
+    <item
+        android:id="@+id/action_clear_playlist"
+        android:title="@string/action_clear_playlist" />
 </menu>
\ No newline at end of file
diff --git a/app/src/main/res/menu/menu_playlist_detail.xml b/app/src/main/res/menu/menu_playlist_detail.xml
index 88a9fdd1..eb30fa3e 100644
--- a/app/src/main/res/menu/menu_playlist_detail.xml
+++ b/app/src/main/res/menu/menu_playlist_detail.xml
@@ -14,11 +14,6 @@
         android:title="@string/action_playing_queue"
         app:showAsAction="never" />
 
-    <item
-        android:id="@+id/action_clear_playlist"
-        android:title="@string/action_clear_playlist"
-        app:showAsAction="never" />
-
     <item
         android:id="@+id/action_equalizer"
         android:orderInCategory="99"
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 7b450a00..5c8228ac 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -69,6 +69,7 @@
     <string name="deleted_playlist_x">Deleted playlist %1$s</string>
     <string name="couldnot_create_playlist_x">Could not create playlist %1$s</string>
     <string name="delete_playlist_x"><![CDATA[Do you want to delete the playlist <b>%1$s</b>?]]></string>
+    <string name="clear_playlist_x"><![CDATA[Do you really want to clear the playlist <b>%1$s</b>? This cannot be undone!]]></string>
     <string name="delete_x_playlists"><![CDATA[Do you want to delete <b>%1$d</b> playlists?]]></string>
     <string name="delete_song_x"><![CDATA[Do you want to delete the song <b>%1$s</b>?]]></string>
     <string name="delete_x_songs"><![CDATA[Do you want to delete <b>%1$d</b> songs?]]></string>
@@ -81,6 +82,7 @@
     <string name="rename_playlist_title">Rename Playlist</string>
     <string name="delete_playlist_title">Delete Playlist</string>
     <string name="delete_playlists_title">Delete Playlists</string>
+    <string name="clear_playlist_title">Clear Playlist</string>
     <string name="add_playlist_title">"Add to Playlist"</string>
     <string name="new_playlist_title">New Playlist</string>
     <string name="delete_warning">"Warning: This operation can not be undone."</string>
@@ -118,6 +120,7 @@
     <string name="navigation_drawer_open">Open navigation drawer</string>
     <string name="navigation_drawer_close">"Close navigation drawer"</string>
     <string name="delete_action">Delete</string>
+    <string name="clear_action">Clear</string>
     <string name="remove_action">Remove</string>
     <string name="rename_action">Rename</string>
     <string name="create_action">Create</string>