Highlight the last move.

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

diff --git a/www/js/book.js b/www/js/book.js
index 611678f8f99c52a3e73ea53241e31b88766dd24c..78dfed815cf8c3c782266ab5e47cf377383a58a0 100644 (file)
--- a/www/js/book.js
+++ b/www/js/book.js
@@ -32,10 +32,10 @@ var update = function() {
                if (i % 2 == 0) {
                        text += (i/2 + 1) + ". ";
                }
-               if (i == move_override) {
+               if (i + 1 == move_override) {
                        text += '<strong>' + history[i] + '</strong>';
                } else {
-                       text += history[i];
+                       text += '<a href="javascript:set_move(' + (i + 1) + ')">' + history[i] + '</a>';
                }
                text += " ";
        }
@@ -43,6 +43,17 @@ var update = function() {
 
        var game = get_game();
        board.position(game.fen());
+
+       var all_moves = game.history({ verbose: true });
+       if (all_moves.length > 0) {
+               var last_move = all_moves.pop();
+               var highlight_from = last_move.from;
+               var highlight_to = last_move.to;
+               $("#board").find('.square-55d63').removeClass('nonuglyhighlight');
+               $("#board").find('.square-' + highlight_from).addClass('nonuglyhighlight');
+               $("#board").find('.square-' + highlight_to).addClass('nonuglyhighlight');
+       }
+
        fetch_analysis();
 }
 
@@ -208,7 +219,7 @@ var show_lines = function(data, game) {
                                        if (move_override % 2 == 0) {
                                                $(td).text(((move_override / 2) + 1) + ". ");
                                        } else {
-                                               $(td).text(((move_override / 2) + 0.5) + ". …");
+                                               $(td).text(((move_override / 2) + 0.5) + "…");
                                        }
                                }
 
@@ -258,6 +269,12 @@ var next_move = function() {
 }
 window['next_move'] = next_move;
 
+var set_move = function(n) {
+       move_override = n;
+       update();
+}
+window['set_move'] = set_move;
+
 // almost all of this stuff comes from the chessboard.js example page
 var onDragStart = function(source, piece, position, orientation) {
        var game = get_game();