From 611a137ff63102917ab2d0c5281a14ad657cc9ae Mon Sep 17 00:00:00 2001
From: Fabio Manganiello <blacklight86@gmail.com>
Date: Tue, 4 Jun 2019 15:59:07 +0200
Subject: [PATCH] music.mpd vue.js refactoring WIP: Implemented playlist track
 move feature

---
 .../webpanel/plugins/music.mpd/index.scss     |  7 ++
 .../webpanel/plugins/music.mpd/vars.scss      |  3 +
 .../http/static/js/plugins/music.mpd/index.js | 67 +++++++++++++------
 .../static/js/plugins/music.mpd/playlist.js   |  5 ++
 .../templates/plugins/music.mpd/index.html    |  3 +-
 .../templates/plugins/music.mpd/playlist.html |  2 +-
 platypush/plugins/music/mpd/__init__.py       | 11 ++-
 7 files changed, 74 insertions(+), 24 deletions(-)

diff --git a/platypush/backend/http/static/css/source/webpanel/plugins/music.mpd/index.scss b/platypush/backend/http/static/css/source/webpanel/plugins/music.mpd/index.scss
index 69705dc8..b2457971 100644
--- a/platypush/backend/http/static/css/source/webpanel/plugins/music.mpd/index.scss
+++ b/platypush/backend/http/static/css/source/webpanel/plugins/music.mpd/index.scss
@@ -132,6 +132,13 @@
                     height: 4rem;
                     @include animation(active-track 5s infinite);
                 }
+
+                &.move:hover {
+                    background: $move-mode-track-bg !important;
+                    border-top: $move-mode-track-border;
+                    border-bottom: $move-mode-track-border;
+                    cursor: move;
+                }
             }
         }
     }
diff --git a/platypush/backend/http/static/css/source/webpanel/plugins/music.mpd/vars.scss b/platypush/backend/http/static/css/source/webpanel/plugins/music.mpd/vars.scss
index a7f1a026..2ce8bdb4 100644
--- a/platypush/backend/http/static/css/source/webpanel/plugins/music.mpd/vars.scss
+++ b/platypush/backend/http/static/css/source/webpanel/plugins/music.mpd/vars.scss
@@ -23,3 +23,6 @@ $playlist-controls-border: $default-border-2;
 $active-track-bg-1: #d4ffe3;
 $active-track-bg-2: #9cdfb0;
 
+$move-mode-track-border: 3px dotted rgb(216,156,136);
+$move-mode-track-bg: rgba(216,156,136,0.3);
+
diff --git a/platypush/backend/http/static/js/plugins/music.mpd/index.js b/platypush/backend/http/static/js/plugins/music.mpd/index.js
index b439b624..8cce55b8 100644
--- a/platypush/backend/http/static/js/plugins/music.mpd/index.js
+++ b/platypush/backend/http/static/js/plugins/music.mpd/index.js
@@ -17,6 +17,11 @@ Vue.component('music-mpd', {
                 browser: false,
             },
 
+            moveMode: {
+                playlist: false,
+                editor: false,
+            },
+
             selectedPlaylistItems: {},
             selectedBrowserItems: {},
 
@@ -45,24 +50,29 @@ Vue.component('music-mpd', {
                 });
             }
 
-            items.push(
-                {
-                    text: 'Add to playlist',
-                    icon: 'list',
-                },
-                {
+            items.push({
+                text: 'Add to playlist',
+                icon: 'list',
+            });
+
+            if (Object.keys(this.selectedPlaylistItems).length < this.playlist.length) {
+                items.push({
                     text: 'Move',
                     icon: 'retweet',
-                },
-                {
-                    text: 'Remove from queue',
-                    icon: 'trash',
-                    click: async function() {
-                        await self.del();
-                        self.selectedPlaylistItems = {};
+                    click: function() {
+                        self.moveMode.playlist = true;
                     },
+                });
+            }
+
+            items.push({
+                text: 'Remove from queue',
+                icon: 'trash',
+                click: async function() {
+                    await self.del();
+                    self.selectedPlaylistItems = {};
                 },
-            );
+            });
 
             if (Object.keys(this.selectedPlaylistItems).length === 1) {
                 items.push({
@@ -473,10 +483,8 @@ Vue.component('music-mpd', {
             this._parsePlaylist(playlist);
         },
 
-        load: async function(item) {
-            let status = await request('music.mpd.load', {playlist:item});
-            this._parseStatus(status);
-
+        load: async function(item, play=false) {
+            await request('music.mpd.load', {playlist:item, play:play});
             let playlist = await request('music.mpd.playlistinfo');
             this._parsePlaylist(playlist);
         },
@@ -511,6 +519,16 @@ Vue.component('music-mpd', {
             this._parseBrowserItems(items);
         },
 
+        move: async function(fromPos, toPos, updateChanges=true) {
+            let status = await request('music.mpd.move', {from_pos: fromPos, to_pos: toPos});
+
+            if (updateChanges) {
+                this._parseStatus(status);
+                const playlist = await request('music.mpd.playlistinfo');
+                this._parsePlaylist(playlist);
+            }
+        },
+
         swap: async function() {
             if (Object.keys(this.selectedPlaylistItems).length !== 2) {
                 return;
@@ -693,13 +711,24 @@ Vue.component('music-mpd', {
                 this.browserFilter.toLocaleLowerCase().split(' ').filter(_ => _.length > 0).join(' ')) >= 0;
         },
 
-        onPlaylistItemClick: function(track) {
+        onPlaylistItemClick: async function(track) {
             if (this.selectionMode.playlist) {
                 if (track.pos in this.selectedPlaylistItems) {
                     Vue.delete(this.selectedPlaylistItems, track.pos);
                 } else {
                     Vue.set(this.selectedPlaylistItems, track.pos, track);
                 }
+            } else if (this.moveMode.playlist) {
+                var fromPos = Object.values(this.selectedPlaylistItems).map(_ => _.pos);
+                var toPos = track.pos;
+                this.moveMode.playlist = false;
+
+                const promises = fromPos.map((pos,i) => this.move(pos, toPos+i, false));
+                await Promise.all(promises);
+                this.selectedPlaylistItems = {};
+
+                const playlist = await request('music.mpd.playlistinfo');
+                this._parsePlaylist(playlist);
             } else if (track.pos in this.selectedPlaylistItems) {
                 Vue.delete(this.selectedPlaylistItems, track.pos);
             } else {
diff --git a/platypush/backend/http/static/js/plugins/music.mpd/playlist.js b/platypush/backend/http/static/js/plugins/music.mpd/playlist.js
index b8626383..463381b4 100644
--- a/platypush/backend/http/static/js/plugins/music.mpd/playlist.js
+++ b/platypush/backend/http/static/js/plugins/music.mpd/playlist.js
@@ -15,6 +15,11 @@ Vue.component('music-mpd-playlist-item', {
             type: Boolean,
             default: false,
         },
+
+        move: {
+            type: Boolean,
+            default: false,
+        },
     },
 });
 
diff --git a/platypush/backend/http/templates/plugins/music.mpd/index.html b/platypush/backend/http/templates/plugins/music.mpd/index.html
index 1c8afd53..36b30fd0 100644
--- a/platypush/backend/http/templates/plugins/music.mpd/index.html
+++ b/platypush/backend/http/templates/plugins/music.mpd/index.html
@@ -120,6 +120,7 @@
                         :track="item"
                         :active="track.file && status.state !== 'stop' && item.file === track.file"
                         :selected="item.pos in selectedPlaylistItems"
+                        :move="moveMode.playlist"
                         :ref="track.file && status.state !== 'stop' && item.file === track.file ? 'activePlaylistTrack' : undefined"
                         @input="onPlaylistItemClick">
                 </music-mpd-playlist-item>
@@ -167,7 +168,7 @@
             <div class="col-3 pull-right">
                 <div class="row">
                     <button @click="single" :class="{enabled: status.single}" title="Toggle single mode">
-                        <i class="fa fa-chess-pawn"></i>
+                        <i class="fa fa-bullseye"></i>
                     </button>
                     <button @click="consume" :class="{enabled: status.consume}" title="Toggle consume mode">
                         <i class="fa fa-utensils"></i>
diff --git a/platypush/backend/http/templates/plugins/music.mpd/playlist.html b/platypush/backend/http/templates/plugins/music.mpd/playlist.html
index 47eb83c9..97774d77 100644
--- a/platypush/backend/http/templates/plugins/music.mpd/playlist.html
+++ b/platypush/backend/http/templates/plugins/music.mpd/playlist.html
@@ -2,7 +2,7 @@
 
 <script type="text/x-template" id="tmpl-music-mpd-playlist-item">
     <div class="row item playlist-item"
-            :class="{selected: selected, active: active}"
+            :class="{selected: selected, active: active, move: move}"
             @click="$emit('input', track)">
         <div class="col-5 artist" v-text="track.artist"></div>
         <div class="col-5 title" v-text="track.title"></div>
diff --git a/platypush/plugins/music/mpd/__init__.py b/platypush/plugins/music/mpd/__init__.py
index 60effc39..601cabd3 100644
--- a/platypush/plugins/music/mpd/__init__.py
+++ b/platypush/plugins/music/mpd/__init__.py
@@ -379,16 +379,21 @@ class MusicMpdPlugin(MusicPlugin):
         return resource
 
     @action
-    def load(self, playlist):
+    def load(self, playlist, play=True):
         """
         Load and play a playlist by name
 
         :param playlist: Playlist name
         :type playlist: str
+
+        :param play: Start playback after loading the playlist (default: True)
+        :type play: bool
         """
 
-        self._exec('load', playlist)
-        return self.play()
+        ret = self._exec('load', playlist)
+        if play:
+            self.play()
+        return ret
 
     @action
     def clear(self):