Improved page navigation for queue view and queue search

htdocs/index.html

@@ -71,7 +71,9 @@
     </nav>
   </header>
   <main role="main" class="container">
-
+    <noscript>
+      <div class="alert alert-danger" role="alert">JavaScript is disabled!</div>
+    </noscript>
     <div class="card" id="cardPlayback">
       <div class="card-header">Now playing</div>
       <div class="card-body">
@@ -93,11 +95,11 @@
     
     <div class="card hide" id="cardQueue">
       <div class="card-header">
-        <span>Queue</span>
+        <a href="#" data-toggle="collapse" data-target="#queue-buttons" style="color:black;">Queue</a>
         <span id="panel-heading-queue" class="text pull-right"></span>
       </div>
       <div class="card-body">
-        <div class="btn-toolbar" id="queue-buttons" role="toolbar">
+        <div class="btn-toolbar collapse show" id="queue-buttons" role="toolbar">
           <div id="trashmode" class="btn-group mr-2">
             <button class="btn btn-secondary dropdown-toggle" type="button" data-toggle="dropdown"><span class="material-icons">delete</span></button>
             <div class="dropdown-menu bg-dark px-2" id="trashmodebtns">
@@ -131,7 +133,7 @@
             <div class="input-group mr-2">
               <input type="text" class="form-control" placeholder="Search Queue" id="searchqueuestr"/>
               <div class="input-group-append">
-                <button class="btn btn-secondary dropdown-toggle" type="button" data-toggle="dropdown"><span class="material-icons">search</span></button>
+                <button title="Select tags to search" class="btn btn-secondary dropdown-toggle" type="button" data-toggle="dropdown"><span class="material-icons">search</span></button>
                 <div class="dropdown-menu bg-dark dropdown-menu-right px-2" id="searchqueuetag">
                   <h6 class="dropdown-header text-light">Search in Tag</h6>
                   <button type="button" class="btn btn-success btn-block">Any Tag</button>
@@ -142,6 +144,15 @@
               </div>
             </div>
           </form>
+          <div id="queuePaginationTop" class="btn-group mr-2">
+            <button onclick="gotoPage('prev',this,event)" id="queuePaginationTopPrev" title="Previous Page" type="button" class="btn btn-secondary">&laquo;</button>
+              <div class="input-group-append">
+                <button id="queuePaginationTopPage" class="btn btn-secondary dropdown-toggle" type="button" data-toggle="dropdown">Page 1 / 1</button>
+                <div class="dropdown-menu bg-dark px-2" id="queuePaginationTopPages">
+                </div>
+              </div>            
+            <button onclick="gotoPage('next',this,event)" id="queuePaginationTopNext" title="Next Page" type="button" class="btn btn-secondary input-group-append">&raquo;</button>
+          </div>
         </div>
 
         <div class="table-responsive-md">
@@ -166,10 +177,23 @@
             </tbody>
           </table>
         </div>
-        <ul id="queuePagination" class="pagination justify-content-center hide">
+        <div class="btn-toolbar" id="queueButtonsBottom" role="toolbar">
-          <li id="queuePrev" class="page-item disabled"><a class="page-link text-secondary" href="">Previous</a></li>
+          <div class="btn-group mr-2">
-          <li id="queueNext" class="page-item disabled"><a class="page-link text-secondary" href="">Next</a></li>
+            <button type="button" class="btn btn-secondary" onclick="scrollToTop()" title="To top">
-        </ul>
+              <span class="material-icons">keyboard_arrow_up</span>
+            </button>
+          </div>        
+          <div id="queuePaginationBottom" class="btn-group mr-2 dropup">
+            <button onclick="gotoPage('prev',this,event)" id="queuePaginationBottomPrev" title="Previous Page" type="button" class="btn btn-secondary">&laquo;</button>
+              <div class="input-group-append">
+                <button id="queuePaginationBottomPage" class="btn btn-secondary dropdown-toggle" type="button" data-toggle="dropdown">Page 1 / 1</button>
+                <div class="dropdown-menu bg-dark px-2" id="queuePaginationBottomPages">
+                </div>
+              </div>            
+            <button onclick="gotoPage('next',this,event)" id="queuePaginationBottomNext" title="Next Page" type="button" class="btn btn-secondary input-group-append">&raquo;</button>
+          </div>
+        </div>
+        
       </div>
     </div>
     

htdocs/js/mpd.js

@@ -30,7 +30,7 @@ var pagination = 0;
 var browsepath = "";
 var lastSongTitle = "";
 var current_song = new Object();
-var MAX_ELEMENTS_PER_PAGE = 100;
+var MAX_ELEMENTS_PER_PAGE = 5;
 var isTouch = Modernizr.touch ? 1 : 0;
 var filter = "";
 var playstate = "";
@@ -229,15 +229,6 @@ function webSocketConnect() {
                     var nrItems=0;
                     for (var song in obj.data) {
                         nrItems++;
-                        if (obj.data[song].type == 'wrap') {
-                            $('#queueList > tbody').append(
-                                 "<tr><td><span class=\"material-icons\">error_outline</span></td>" +
-                                 "<td colspan=\"3\">Too many results, please refine your search!</td>" +
-                                 "<td></td><td></td></tr>"
-                            );
-                            continue;
-                        }
-                    
                         var minutes = Math.floor(obj.data[song].duration / 60);
                         var seconds = obj.data[song].duration - minutes * 60;
 
@@ -256,17 +247,36 @@ function webSocketConnect() {
                                "<td></td><td></td></tr>"
                         );
                     }
-                    if (obj.type == 'queue') {
+                    totalPages=Math.ceil(obj.totalSongs / MAX_ELEMENTS_PER_PAGE);
-                        if(obj.data.length && obj.data[obj.data.length-1].pos + 1 >= pagination + MAX_ELEMENTS_PER_PAGE) {
+                    if (totalPages==0) { totalPages=1; }
-                            $('#queueNext').removeClass('disabled');
+                    $('#queuePaginationTopPage').text('Page '+(pagination / MAX_ELEMENTS_PER_PAGE + 1)+' / '+totalPages);
-                            $('#queuePagination').removeClass('hide');
+                    $('#queuePaginationBottomPage').text('Page '+(pagination / MAX_ELEMENTS_PER_PAGE + 1)+' / '+totalPages);
-                        }
+                    if (totalPages > 1) {
-                        if(pagination > 0) {
+                        $('#queuePaginationTopPage').removeClass('disabled');
-                            $('#queuePrev').removeClass('disabled');
+                        $('#queuePaginationBottomPage').removeClass('disabled');
-                            $('#queuePagination').removeClass('hide');
+                        $('#queuePaginationTopPages').empty();
+                        $('#queuePaginationBottomPages').empty();
+                        for (var i=0;i<totalPages;i++) {
+                            $('#queuePaginationTopPages').append('<button onclick="gotoPage('+(i * MAX_ELEMENTS_PER_PAGE)+',this,event)" type="button" class="mr-1 mb-1 btn btn-secondary">'+(i+1)+'</button>');
+                            $('#queuePaginationBottomPages').append('<button onclick="gotoPage('+(i * MAX_ELEMENTS_PER_PAGE)+',this,event)" type="button" class="mr-1 mb-1 btn btn-secondary">'+(i+1)+'</button>');
                         }
                     } else {
-                        $('#queuePagination').addClass('hide');
+                        $('#queuePaginationTopPage').addClass('disabled');
+                        $('#queuePaginationBottomPage').addClass('disabled');
+                    }
+                    if(obj.totalSongs > pagination + MAX_ELEMENTS_PER_PAGE) {
+                        $('#queuePaginationTopNext').removeClass('disabled');
+                        $('#queuePaginationBottomNext').removeClass('disabled');
+                    } else {
+                        $('#queuePaginationTopNext').addClass('disabled');
+                        $('#queuePaginationBottomNext').addClass('disabled');                            
+                    }
+                    if(pagination > 0) {
+                        $('#queuePaginationTopPrev').removeClass('disabled');
+                        $('#queuePaginationBottomPrev').removeClass('disabled');
+                    } else {
+                        $('#queuePaginationTopPrev').addClass('disabled');
+                        $('#queuePaginationBottomPrev').addClass('disabled');
                     }
 
                     if ( isTouch ) {
@@ -756,6 +766,7 @@ $('#search').submit(function () {
 });
 
 $('#searchqueuestr').keyup(function (event) {
+  pagination=0;
   doQueueSearch();
 });
 
@@ -773,7 +784,7 @@ function doQueueSearch() {
    });
    
    if (searchstr.length >= 3) {
-      socket.send('MPD_API_SEARCH_QUEUE,' + mpdtag + ',' + searchstr);
+      socket.send('MPD_API_SEARCH_QUEUE,' + mpdtag + ','+pagination+',' + searchstr);
    }
    if (searchstr.length == 0) {
      socket.send('MPD_API_GET_QUEUE,0');
@@ -808,6 +819,44 @@ $('.page-link').on('click', function (e) {
     e.preventDefault();
 });
 
+function scrollToTop() {
+    document.body.scrollTop = 0; // For Safari
+    document.documentElement.scrollTop = 0; // For Chrome, Firefox, IE and Opera
+}
+
+function gotoPage(x,element,event) {
+    if ($(element).hasClass('disabled')) {
+        event.preventDefault();
+        return;
+    }
+    switch (x) {
+        case "next":
+            pagination += MAX_ELEMENTS_PER_PAGE;
+            break;
+        case "prev":
+            pagination -= MAX_ELEMENTS_PER_PAGE;
+            if(pagination <= 0)
+               pagination = 0;
+            break;
+        default:
+            pagination = x;
+    }
+
+    switch(current_app) {
+        case "queue":
+            if ($('#searchqueuestr').val().length >=3) {
+              doQueueSearch();
+            } else {
+              app.setLocation('#/queue/'+pagination);
+            }
+            break;
+        case "browse":
+            app.setLocation('#/browse/'+pagination+'/'+browsepath);
+            break;
+    }
+    event.preventDefault();
+}
+
 function addStream() {
     if($('#streamurl').val().length > 0) {
         socket.send('MPD_API_ADD_TRACK,'+$('#streamurl').val());

src/mpd_client.c

@@ -245,6 +245,8 @@ out_save_queue:
                 mpdtagtype = strdup(token);
             }
             
+            uint_buf = strtoul(strtok(NULL, ","), NULL, 10);
+            
             if((token = strtok(NULL, ",")) == NULL) {
                 free(mpdtagtype);
                 goto out_search;
@@ -254,7 +256,7 @@ out_save_queue:
 
 	    //free(p_charbuf);
             //p_charbuf = strdup(c->content);
-            n = mpd_search_queue(mpd.buf, mpdtagtype, searchstr);
+            n = mpd_search_queue(mpd.buf, mpdtagtype, uint_buf, searchstr);
             free(searchstr);
 out_search_queue:
             free(p_charbuf);
@@ -811,7 +813,7 @@ int mpd_search(char *buffer, char *searchstr)
     return cur - buffer;
 }
 
-int mpd_search_queue(char *buffer, char *mpdtagtype, char *searchstr)
+int mpd_search_queue(char *buffer, char *mpdtagtype, unsigned int offset, char *searchstr)
 {
     char *cur = buffer;
     const char *end = buffer + MAX_SIZE;
@@ -838,7 +840,7 @@ int mpd_search_queue(char *buffer, char *mpdtagtype, char *searchstr)
 
         while((song = mpd_recv_song(mpd.conn)) != NULL) {
           totalSongs ++;
-          if(totalSongs <= 100) {
+          if(totalSongs > offset && totalSongs <= offset+MAX_ELEMENTS_PER_PAGE) {
             cur += json_emit_raw_str(cur, end - cur, "{\"type\":\"song\"");
 //            cur += json_emit_raw_str(cur, end - cur, ",\"uri\":");
 //            cur += json_emit_quoted_str(cur, end - cur, mpd_song_get_uri(song));
@@ -861,9 +863,10 @@ int mpd_search_queue(char *buffer, char *mpdtagtype, char *searchstr)
           }
         }
         
-        if (totalSongs > 100) {
+/*        if (totalSongs > 100) {
           cur += json_emit_raw_str(cur, end - cur, "{\"type\":\"wrap\"},");
         }
+*/        
         cur--;
 
         cur += json_emit_raw_str(cur, end - cur, "]");

src/mpd_client.h

@@ -37,8 +37,8 @@
 } while(0)
 
 
-#define MAX_SIZE 1024 * 100
+#define MAX_SIZE 1024 * 5
-#define MAX_ELEMENTS_PER_PAGE 100
+#define MAX_ELEMENTS_PER_PAGE 5
 
 #define GEN_ENUM(X) X,
 #define GEN_STR(X) #X,
@@ -122,7 +122,7 @@ int mpd_put_current_song(char *buffer);
 int mpd_put_queue(char *buffer, unsigned int offset);
 int mpd_put_browse(char *buffer, char *path, unsigned int offset);
 int mpd_search(char *buffer, char *searchstr);
-int mpd_search_queue(char *buffer, char *mpdtagtype, char *searchstr);
+int mpd_search_queue(char *buffer, char *mpdtagtype, unsigned int offset,  char *searchstr);
 void mpd_disconnect();
 #endif