Add back a line that was inadvertedly removed.

[remoteglot-book] / www / js / book.js

diff --git a/www/js/book.js b/www/js/book.js
index 8f0c24164d4434142ff0cd1ddd958520f2aebab6..9a2456ee6c081ca911681a2bb40f8c3b3555a2ec 100644 (file)
--- a/www/js/book.js
+++ b/www/js/book.js
@@ -27,6 +27,20 @@ var get_game = function() {
 }
 
 var update = function() {
+       var text = "";
+       for (var i = 0; i < history.length; ++i) {
+               if (i % 2 == 0) {
+                       text += (i/2 + 1) + ". ";
+               }
+               if (i == move_override) {
+                       text += '<strong>' + history[i] + '</strong>';
+               } else {
+                       text += history[i];
+               }
+               text += " ";
+       }
+       $('#gamehistory').html(text);
+
        var game = get_game();
        board.position(game.fen());
        fetch_analysis();
@@ -191,10 +205,10 @@ var show_lines = function(data, game) {
                                tr.appendChild(td);
                                $(td).addClass("move");
                                if (line[j] !== undefined) {
-                                       if (history.length % 2 == 0) {
-                                               $(td).text(((history.length / 2) + 1) + ". ");
+                                       if (move_override % 2 == 0) {
+                                               $(td).text(((move_override / 2) + 1) + ". ");
                                        } else {
-                                               $(td).text(((history.length / 2) + 0.5) + ". …");
+                                               $(td).text(((move_override / 2) + 0.5) + ". …");
                                        }
                                }
 
@@ -216,9 +230,14 @@ var show_lines = function(data, game) {
 }
 
 var make_move = function(move) {
-       history.length = move_override;
-       history.push(move);
-       move_override = history.length;
+       if (move_override < history.length && history[move_override] == move) {
+               // User effectively only moved forward in history.
+               ++move_override;
+       } else {
+               history.length = move_override;
+               history.push(move);
+               move_override = history.length;
+       }
        update();
 }
 window['make_move'] = make_move;