Implemented filtering in browse filesystem view

htdocs/css/mpd.css

@@ -193,6 +193,6 @@ main {
  margin-right:5px;
 }
 
-#browseFilesystemGotoLetters > a {
- min-width:23px;
+#browseFilesystemFilterLetters > button {
+ min-width:28px;
 }

htdocs/index.html

@@ -203,7 +203,7 @@
       <div class="card-header" id="panel-heading-browse">
         <ul class="nav nav-tabs card-header-tabs">
           <li class="nav-item">
-            <a class="nav-link text-dark" href="#/browse/filesystem/0/" id="cardBrowseNavFilesystem">Filesystem</a>
+            <a class="nav-link text-dark" href="#/browse/filesystem/0/!/" id="cardBrowseNavFilesystem">Filesystem</a>
           </li>
           <li class="nav-item">
             <a class="nav-link text-dark" href="#/browse/playlists/0" id="cardBrowseNavPlaylists">Playlists</a>
@@ -213,6 +213,7 @@
           </li>
         </ul>
       </div>
+      
       <div class="card-body hide" id="cardBrowsePlaylists">
         <div class="btn-toolbar collapse show" id="browsePlaylistsButtons" role="toolbar">
           <div id="browsePlaylistsPaginationTop" class="btn-group mr-2">
@@ -277,8 +278,8 @@
             <button id="browseFilesystemAddAllSongs" class="btn btn-secondary">Add all</button>
           </div>
           <div class="btn-group mr-2">
-            <button id="browseFilesystemGoto" class="btn btn-secondary dropdown-toggle" type="button" data-toggle="dropdown">Goto</button>
-            <div class="dropdown-menu bg-dark px-2" id="browseFilesystemGotoLetters">
+            <button id="browseFilesystemFilter" class="btn btn-secondary dropdown-toggle" type="button" data-toggle="dropdown">Filter</button>
+            <div class="dropdown-menu bg-dark px-2" id="browseFilesystemFilterLetters">
             </div>
           </div>
           <div id="browseFilesystemPaginationTop" class="btn-group mr-2">
@@ -416,7 +417,7 @@
       <div class="d-flex flex-fill navbar-nav" id="navbar-bottom">
         <div class="nav-item flex-fill text-center" id="navPlayback"><a class="nav-link" href="#/playing/">Playback</a></div>
         <div class="nav-item flex-fill text-center" id="navQueue"><a class="nav-link" href="#/queue/0/Any Tag/">Queue</a></div>
-        <div class="nav-item flex-fill text-center" id="navBrowse"><a class="nav-link" href="#/browse/filesystem/0/">Browse</a></div>
+        <div class="nav-item flex-fill text-center" id="navBrowse"><a class="nav-link" href="#/browse/filesystem/0/!/">Browse</a></div>
         <div class="nav-item flex-fill text-center" id="navSearch"><a class="nav-link" href="#/search/0/Any Tag/">Search</a></div>        
       </div>
     </nav>

htdocs/js/mpd.js

@@ -27,15 +27,16 @@ var last_state;
 var last_outputs;
 var current_app;
 var pagination = 0;
-var browsepath = "";
-var lastSongTitle = "";
+var filterLetter = '!'
+var browsepath = '';
+var lastSongTitle = '';
 var current_song = new Object();
 var MAX_ELEMENTS_PER_PAGE = 100;
 var isTouch = Modernizr.touch ? 1 : 0;
-var playstate = "";
+var playstate = '';
 var progressBar;
 var volumeBar;
-var coverImageFile = "";
+var coverImageFile = '';
 
 var app = $.sammy(function() {
 
@@ -115,17 +116,36 @@ var app = $.sammy(function() {
         $('#cardBrowseNavDatabase').addClass('active');
     });
 
-    this.get(/\#\/browse\/filesystem\/(\d+)\/(.*)/, function() {
+    this.get(/\#\/browse\/filesystem\/(\d+)\/(\w|\!)\/(.*)/, function() {
         prepare();
-        browsepath = this.params['splat'][1];
         pagination = parseInt(this.params['splat'][0]);
+        filterLetter = this.params['splat'][1];
+        browsepath = this.params['splat'][2];
         current_app = 'browseFilesystem';
         $('#navBrowse').addClass('active');
         $('#cardBrowse').removeClass('hide');
         $('#cardBrowseFilesystem').removeClass('hide');
         $('#cardBrowseNavFilesystem').addClass('active');
         $('#browseBreadcrumb').empty().append("<li class=\"breadcrumb-item\"><a uri=\"\">root</a></li>");
-        socket.send('MPD_API_GET_BROWSE,'+pagination+','+(browsepath ? browsepath : "/"));
+        socket.send('MPD_API_GET_BROWSE,'+pagination+','+(browsepath ? browsepath : "/")+','+filterLetter);
+        $('#browseFilesystemFilterLetters > button').removeClass('btn-success').addClass('btn-secondary');
+        if (filterLetter == '0') {
+            $('#browseFilesystemFilter').text('Filter: #');
+            $('#browseFilesystemFilterLetters > button').each(function() {
+                if ($(this).text() == '#') {
+                    $(this).addClass('btn-success');
+                }
+            });
+        } else if (filterLetter != '!') {
+            $('#browseFilesystemFilter').text('Filter: '+filterLetter);
+            $('#browseFilesystemFilterLetters > button').each(function() {
+                if ($(this).text() == filterLetter) {
+                    $(this).addClass('btn-success');
+                }
+            });
+        } else {
+            $('#browseFilesystemFilter').text('Filter');
+        }
         // Don't add all songs from root
         var add_all_songs = $('#browseFilesystemAddAllSongs');
         if (browsepath) {
@@ -509,8 +529,8 @@ function webSocketConnect() {
                                 case 'dir':
                                     pagination = 0;
                                     browsepath = $(this).attr("uri");
-                                    $("#browseFilesystemList > a").attr("href", '#/browse/filesystem/'+pagination+'/'+browsepath);
-                                    app.setLocation('#/browse/filesystem/'+pagination+'/'+browsepath);
+                                    $("#browseFilesystemList > a").attr("href", '#/browse/filesystem/'+pagination+'/'+filterLetter+'/'+browsepath);
+                                    app.setLocation('#/browse/filesystem/'+pagination+'/'+filterLetter+'/'+browsepath);
                                     break;
                                 case 'song':
                                     socket.send("MPD_API_ADD_TRACK," + decodeURI($(this).attr("uri")));
@@ -528,8 +548,8 @@ function webSocketConnect() {
 			click: function() {
 		        	pagination = 0;
 				browsepath = $(this).attr("uri");
-				$("#browseFilesystemList > a").attr("href", '#/browse/filesystem/'+pagination+'/'+browsepath);
-				app.setLocation('#/browse/filesystem/'+pagination+'/'+browsepath);
+				$("#browseFilesystemList > a").attr("href", '#/browse/filesystem/'+pagination+'/'+filterLetter+'/'+browsepath);
+				app.setLocation('#/browse/filesystem/'+pagination+'/'+filterLetter+'/'+browsepath);
 			}
                     });
 
@@ -1056,7 +1076,7 @@ function gotoPage(x,element,event) {
             doSearch($('#searchstr2').val());
             break;
         case "browseFilesystem":
-            app.setLocation('#/browse/filesystem/'+pagination+'/'+browsepath);
+            app.setLocation('#/browse/filesystem/'+pagination+'/'+filterLetter+'/'+browsepath);
             break;
         case "browsePlaylists":
             app.setLocation('#/browse/playlists/'+pagination);
@@ -1170,11 +1190,17 @@ $(document).keydown(function(e){
     e.preventDefault();
 });
 
+function setFilterLetter(filter) {
+    app.setLocation('#/browse/filesystem/'+pagination+'/'+filter+'/'+browsepath);
+}
+
 function add_filter () {
-    $('#browseFilesystemGotoLetters').append('<a class="mr-1 mb-1 btn btn-sm btn-secondary" onclick="gotoLetter(\'#\');" href="#/browse/filesystem/' + pagination + '/' + browsepath + '">#</a>');
+    $('#browseFilesystemFilterLetters').append('<button class="mr-1 mb-1 btn btn-sm btn-secondary" onclick="setFilterLetter(\'!\');">'+
+        '<span class="material-icons" style="font-size:14px;">delete</span></button>');
+    $('#browseFilesystemFilterLetters').append('<button class="mr-1 mb-1 btn btn-sm btn-secondary" onclick="setFilterLetter(\'0\');">#</button>');
     for (i = 65; i <= 90; i++) {
         var c = String.fromCharCode(i);
-        $('#browseFilesystemGotoLetters').append('<a class="mr-1 mb-1 btn-sm btn btn-secondary" onclick="gotoLetter(\'' + c + '\');" href="#/browse/filesystem/' + pagination + '/' + browsepath + '">' + c + '</a>');
+        $('#browseFilesystemFilterLetters').append('<button class="mr-1 mb-1 btn-sm btn btn-secondary" onclick="setFilterLetter(\'' + c + '\');">' + c + '</button>');
     }
 }
 

src/mpd_client.c

@@ -27,6 +27,7 @@
 #include <unistd.h>
 #include <stdlib.h>
 #include <libgen.h>
+#include <ctype.h>
 #include <mpd/client.h>
 #include <mpd/message.h>
 
@@ -66,7 +67,7 @@ int callback_mpd(struct mg_connection *c)
     double double_buf;
     int int_buf;
     char *p_charbuf = NULL, *token;
-    char *mpdtagtype = NULL;
+    char *p_charbuf2 = NULL;
     char *searchstr = NULL;
 
     fprintf(stdout,"%s\n",c->content);
@@ -175,7 +176,7 @@ int callback_mpd(struct mg_connection *c)
                 n = mpd_put_playlists(mpd.buf, uint_buf);
             break;
         case MPD_API_GET_BROWSE:
-            p_charbuf = strdup(c->content);
+/*            p_charbuf = strdup(c->content);
             if(strcmp(strtok(p_charbuf, ","), "MPD_API_GET_BROWSE"))
                 goto out_browse;
 
@@ -186,8 +187,33 @@ int callback_mpd(struct mg_connection *c)
             free(p_charbuf);
             p_charbuf = strdup(c->content);
             n = mpd_put_browse(mpd.buf, get_arg2(p_charbuf), uint_buf);
+out_browse:
+            free(p_charbuf);*/
+            p_charbuf = strdup(c->content);
+            if(strcmp(strtok(p_charbuf, ","), "MPD_API_GET_BROWSE"))
+                goto out_browse;
+
+            uint_buf = strtoul(strtok(NULL, ","), NULL, 10);
+
+            if((token = strtok(NULL, ",")) == NULL) {
+                goto out_browse;
+            } else {
+                p_charbuf2 = strdup(token);
+            }
+
+            if((token = strtok(NULL, ",")) == NULL) {
+                free(p_charbuf2);
+		goto out_browse;
+            } else {
+                searchstr = strdup(token);
+            }
+            n = mpd_put_browse(mpd.buf, p_charbuf2, uint_buf, searchstr);
+            free(searchstr);
+            free(p_charbuf2);
 out_browse:
             free(p_charbuf);
+            break;            
+            
             break;
         case MPD_API_ADD_TRACK:
             p_charbuf = strdup(c->content);
@@ -254,19 +280,20 @@ out_save_queue:
             if((token = strtok(NULL, ",")) == NULL) {
                 goto out_search_queue;
             } else {
-                mpdtagtype = strdup(token);
+                p_charbuf2 = strdup(token);
             }
             
             uint_buf = strtoul(strtok(NULL, ","), NULL, 10);
             
             if((token = strtok(NULL, ",")) == NULL) {
-                free(mpdtagtype);
+                free(p_charbuf2);
                 goto out_search_queue;
             } else {
                 searchstr = strdup(token);
             }
-            n = mpd_search_queue(mpd.buf, mpdtagtype, uint_buf, searchstr);
+            n = mpd_search_queue(mpd.buf, p_charbuf2, uint_buf, searchstr);
             free(searchstr);
+            free(p_charbuf2);
 out_search_queue:
             free(p_charbuf);
             break;            
@@ -277,17 +304,18 @@ out_search_queue:
             if((token = strtok(NULL, ",")) == NULL) {
                 goto out_search_add;
             } else {
-                mpdtagtype = strdup(token);
+                p_charbuf2 = strdup(token);
             }
             
             if((token = strtok(NULL, ",")) == NULL) {
-                free(mpdtagtype);
+                free(p_charbuf2);
                 goto out_search_add;
             } else {
                 searchstr = strdup(token);
             }
-            n = mpd_search_add(mpd.buf, mpdtagtype, searchstr);
+            n = mpd_search_add(mpd.buf, p_charbuf2, searchstr);
             free(searchstr);
+            free(p_charbuf2);
 out_search_add:
             free(p_charbuf);
             break;
@@ -298,19 +326,20 @@ out_search_add:
             if((token = strtok(NULL, ",")) == NULL) {
                 goto out_search;
             } else {
-                mpdtagtype = strdup(token);
+                p_charbuf2 = strdup(token);
             }
             
             uint_buf = strtoul(strtok(NULL, ","), NULL, 10);
             
             if((token = strtok(NULL, ",")) == NULL) {
-                free(mpdtagtype);
+                free(p_charbuf2);
                 goto out_search;
             } else {
                 searchstr = strdup(token);
             }
-            n = mpd_search(mpd.buf, mpdtagtype, uint_buf, searchstr);
+            n = mpd_search(mpd.buf, p_charbuf2, uint_buf, searchstr);
             free(searchstr);
+            free(p_charbuf2);
 out_search:
             free(p_charbuf);
             break;
@@ -793,7 +822,7 @@ int mpd_put_queue(char *buffer, unsigned int offset)
     return cur - buffer;
 }
 
-int mpd_put_browse(char *buffer, char *path, unsigned int offset)
+int mpd_put_browse(char *buffer, char *path, unsigned int offset, char *filter)
 {
     char *cur = buffer;
     const char *end = buffer + MAX_SIZE;
@@ -801,6 +830,7 @@ int mpd_put_browse(char *buffer, char *path, unsigned int offset)
     const struct mpd_playlist *pl;
     unsigned int entity_count = 0;
     unsigned int entities_returned = 0;
+    const char *entityName;
 
     if (!mpd_send_list_meta(mpd.conn, path))
         RETURN_ERROR_AND_RECOVER("mpd_send_list_meta");
@@ -811,45 +841,68 @@ int mpd_put_browse(char *buffer, char *path, unsigned int offset)
         const struct mpd_song *song;
         const struct mpd_directory *dir;
         entity_count ++;
-
         if(entity_count > offset && entity_count <= offset+MAX_ELEMENTS_PER_PAGE) {
             switch (mpd_entity_get_type(entity)) {
                 case MPD_ENTITY_TYPE_UNKNOWN:
+                        entity_count --;
                     break;
                 case MPD_ENTITY_TYPE_SONG:
-                    entities_returned ++;
                     song = mpd_entity_get_song(entity);
-                    cur += json_emit_raw_str(cur, end - cur, "{\"type\":\"song\",\"uri\":");
-                    cur += json_emit_quoted_str(cur, end - cur, mpd_song_get_uri(song));
-                    cur += json_emit_raw_str(cur, end - cur, ",\"album\":");
-                    cur += json_emit_quoted_str(cur, end - cur, mpd_get_album(song));
-                    cur += json_emit_raw_str(cur, end - cur, ",\"artist\":");
-                    cur += json_emit_quoted_str(cur, end - cur, mpd_get_artist(song));
-                    cur += json_emit_raw_str(cur, end - cur, ",\"duration\":");
-                    cur += json_emit_int(cur, end - cur, mpd_song_get_duration(song));
-                    cur += json_emit_raw_str(cur, end - cur, ",\"title\":");
-                    cur += json_emit_quoted_str(cur, end - cur, mpd_get_title(song));
-                    cur += json_emit_raw_str(cur, end - cur, "},");
+                    entityName = mpd_get_title(song);
+                    if (strncmp(filter,"!",1) == 0 || strncasecmp(filter,entityName,1) == 0 ||
+                        ( strncmp(filter,"0",1) == 0 && isalpha(*entityName) == 0 )
+                    ) {
+                        entities_returned ++;
+                        cur += json_emit_raw_str(cur, end - cur, "{\"type\":\"song\",\"uri\":");
+                        cur += json_emit_quoted_str(cur, end - cur, mpd_song_get_uri(song));
+                        cur += json_emit_raw_str(cur, end - cur, ",\"album\":");
+                        cur += json_emit_quoted_str(cur, end - cur, mpd_get_album(song));
+                        cur += json_emit_raw_str(cur, end - cur, ",\"artist\":");
+                        cur += json_emit_quoted_str(cur, end - cur, mpd_get_artist(song));
+                        cur += json_emit_raw_str(cur, end - cur, ",\"duration\":");
+                        cur += json_emit_int(cur, end - cur, mpd_song_get_duration(song));
+                        cur += json_emit_raw_str(cur, end - cur, ",\"title\":");
+                        cur += json_emit_quoted_str(cur, end - cur, entityName);
+                        cur += json_emit_raw_str(cur, end - cur, "},");
+                    } else {
+                        entity_count --;
+                    }
                     break;
 
                 case MPD_ENTITY_TYPE_DIRECTORY:
-                    entities_returned ++;
-                    dir = mpd_entity_get_directory(entity);
-                    cur += json_emit_raw_str(cur, end - cur, "{\"type\":\"directory\",\"dir\":");
-                    cur += json_emit_quoted_str(cur, end - cur, mpd_directory_get_path(dir));
-                    cur += json_emit_raw_str(cur, end - cur, "},");
+                    dir = mpd_entity_get_directory(entity);                
+                    entityName = mpd_directory_get_path(dir);
+                    char *dirName = strrchr(entityName, '/');
+                    if (dirName != NULL) {
+                        dirName ++;
+                    } else {
+                     dirName = strdup(entityName);
+                    }
+                    if (strncmp(filter,"!",1) == 0 || strncasecmp(filter,dirName,1) == 0) {                
+                        entities_returned ++;
+                        cur += json_emit_raw_str(cur, end - cur, "{\"type\":\"directory\",\"dir\":");
+                        cur += json_emit_quoted_str(cur, end - cur, entityName);
+                        cur += json_emit_raw_str(cur, end - cur, "},");
+                    } else {
+                        entity_count --;
+                    }
                     break;
                     
                 case MPD_ENTITY_TYPE_PLAYLIST:
                     pl = mpd_entity_get_playlist(entity);
-                    cur += json_emit_raw_str(cur, end - cur, "{\"type\":\"playlist\",\"plist\":");
-                    cur += json_emit_quoted_str(cur, end - cur, mpd_playlist_get_path(pl));
-                    cur += json_emit_raw_str(cur, end - cur, "},");
+                    entityName = mpd_playlist_get_path(pl);
+                    if (strncmp(filter,"!",1) == 0 || strncasecmp(filter,entityName,1) == 0) {
+                        entities_returned ++;
+                        cur += json_emit_raw_str(cur, end - cur, "{\"type\":\"playlist\",\"plist\":");
+                        cur += json_emit_quoted_str(cur, end - cur, entityName );
+                        cur += json_emit_raw_str(cur, end - cur, "},");
+                    } else {
+                        entity_count --;
+                    }
                     break;
             }
         }
         mpd_entity_free(entity);
-        entity_count++;
     }
 
     if (mpd_connection_get_error(mpd.conn) != MPD_ERROR_SUCCESS || !mpd_response_finish(mpd.conn)) {

src/mpd_client.h

@@ -130,7 +130,7 @@ int mpd_put_outputs(char *buffer, int putnames);
 int mpd_put_current_song(char *buffer);
 int mpd_put_queue(char *buffer, unsigned int offset);
 int mpd_put_playlists(char *buffer, unsigned int offset);
-int mpd_put_browse(char *buffer, char *path, unsigned int offset);
+int mpd_put_browse(char *buffer, char *path, unsigned int offset, char *filter);
 int mpd_search(char *buffer, char *mpdtagtype, unsigned int offset, char *searchstr);
 int mpd_search_add(char *buffer, char *mpdtagtype, char *searchstr);
 int mpd_search_queue(char *buffer, char *mpdtagtype, unsigned int offset, char *searchstr);