Add "Crop queue" feature

Author: moodeaudio

www/command/queue.php

@@ -56,11 +56,15 @@
         echo json_encode(parseDelimFile(readMpdResp($sock), ': ')['file']);
 		break;
     case 'clear_playqueue':
-        workerLog('clear_playqueue');
+        //workerLog('clear_playqueue');
 		sendMpdCmd($sock, 'clear');
         $resp = readMpdResp($sock);
         updLibRecentPlaylistVar('None');
 		break;
+	case 'crop_playqueue':
+        //workerLog('crop_playqueue');
+		sysCmd('mpc crop');
+		break;
 	case 'add_item':
 	case 'add_item_next':
         $status = getMpdStatus($sock);

www/js/notify.js

@@ -22,6 +22,7 @@ function notify(title, message, arg3, arg4 = '') {
         queue_item_removed: 'Selected items have been removed. ',
 		queue_item_moved: 'Selected items have been moved. ',
         queue_cleared: 'Queue has been cleared. ',
+		queue_cropped: 'Queue has been cropped. ',
         playqueue_info: '<br>',
         // Library
         update_library: 'Library is being updated... ',

www/js/scripts-library.js

@@ -1749,6 +1749,12 @@ $('#context-menu-playback a').click(function(e) {
                 $('#playlist-save-name').val('');
                 notify(NOTIFY_TITLE_INFO, 'queue_cleared', NOTIFY_DURATION_SHORT);
             });
+            break;
+		case 'crop':
+            $.post('command/queue.php?cmd=crop_playqueue', function() {
+                $('#playlist-save-name').val('');
+                notify(NOTIFY_TITLE_INFO, 'queue_cropped', NOTIFY_DURATION_SHORT);
+            });
             break;
         case 'stream_recorder':
     		$('#menu-check-recorder').toggle();

www/quickhelp.html

@@ -104,7 +104,10 @@ <h5>Queue</h5>
 			<p>The "Add next" command adds the item immediately after the currently playing or last played item. The "Play next" command first checks to see if the item is already in the Queue and then plays the existing item otherwise it does the same as "Add next" then begins play.</p>
 		</li>
 		<li><span> Clear queue</span>
-			<p>This command is available in the ellipsis context menu in Playback view and on the Playbar.</p>
+			<p>Remove all songs in the Queue. This command is available in the ellipsis context menu in Playback view and on the Playbar.</p>
+		</li>
+		<li><span> Crop queue</span>
+			<p>Remove all songs except for the currently playing song. This command is available in the ellipsis context menu in Playback view and on the Playbar.</p>
 		</li>
 		<li>
 			<p>For the track list in Library Tag and Album views the Play and Clear/Play actions can be configured via a Preferences option to either add the selected track to the Queue or the selected track and all following tracks.</p>

www/templates/indextpl.html

@@ -2904,7 +2904,8 @@ <h3 id="playhistory-modal-label">Playback history</h3>
 			<li><a href="#notarget" data-cmd="consume"><i class="fa-regular fa-sharp fa-arrow-down sx"></i> Consume<span id="menu-check-consume"><i class="fa-solid fa-sharp fa-check"></i></span></a></li>
 			<li><a href="#notarget" data-cmd="repeat"><i class="fa-regular fa-sharp fa-repeat sx"></i> Repeat<span id="menu-check-repeat"><i class="fa-solid fa-sharp fa-check"></i></span></a></li>
 			<li><a href="#notarget" data-cmd="single"><i class="fa-regular fa-sharp fa-redo sx"></i> Single<span id="menu-check-single"><i class="fa-solid fa-sharp fa-check"></i></span></a></li>
-			<li class="menu-separator"><a href="#notarget" data-cmd="clear"><i class="fa-regular fa-sharp fa-trash sx"></i> Clear queue</a></li>
+			<li><a href="#notarget" data-cmd="clear"><i class="fa-regular fa-sharp fa-trash sx"></i> Clear queue</a></li>
+			<li class="menu-separator"><a href="#notarget" data-cmd="crop"><i class="fa-regular fa-sharp fa-crop-simple sx"></i> Crop queue</a></li>
 			<li id="context-menu-stream-recorder" class="hide"><a href="#notarget" data-cmd="stream_recorder"><i class="fa-regular fa-sharp fa-cassette-tape sx"></i> Record stream<span id="menu-check-recorder"><i class="fa-solid fa-sharp fa-check"></i></span></a></li>
 			<li id="context-menu-multiroom-sender" class="hide"><a href="#notarget" data-cmd="multiroom_rx_modal"><i class="fa-regular fa-sharp fa-speakers sx"></i> Receivers</a></li>
 			<li id="context-menu-coverview-toggle" class="hide"><a href="#notarget" data-cmd="toggle_coverview"><i class="fa-regular fa-sharp fa-tv sx"></i> Toggle CoverView</a></li>