Make move highlighting more robust.

diff --git a/www/index.html b/www/index.html
index 369d7970405cc28cd5938b02f5a7f50ebd09d2e7..5bc9905f45f345aad633533fa7c076d1bd1de56b 100644 (file)
--- a/www/index.html
+++ b/www/index.html
@@ -32,7 +32,7 @@
       <span id="scorespark"></span>
     </div>
   </div>
-  <p id="pvcontainer"><strong>PV:</strong> <span id="pv"></span></p>
+  <p id="pvcontainer"><strong id="pvtitle">PV:</strong> <span id="pv"></span></p>
   <p id="searchstats"></p>
   <h3>History and potential moves (multi-PV)</h3>
   <p id="sortbyscoreholder">

diff --git a/www/js/remoteglot.js b/www/js/remoteglot.js
index f84ff3aa7ea3ffea87b64dd4aa62ea264d431b6d..b2350316ccd509a7ef025a8a7b8dbeb55c4f194c 100644 (file)
--- a/www/js/remoteglot.js
+++ b/www/js/remoteglot.js
@@ -119,9 +119,7 @@ var fen = null;
 
 /** @typedef {{
  *    start_fen: string,
- *    uci_pv: Array.<string>,
  *    pretty_pv: Array.<string>,
- *    line_num: number
  * }} DisplayLine
  */
 
@@ -572,7 +570,6 @@ var add_pv = function(fen, pretty_pv, move_num, toplay, opt_limit, opt_showlast)
        display_lines.push({
                start_fen: fen,
                pretty_pv: pretty_pv,
-               line_number: display_lines.length
        });
        return print_pv(display_lines.length - 1, pretty_pv, move_num, toplay, opt_limit, opt_showlast);
 }
@@ -723,6 +720,9 @@ var update_refutation_lines = function() {
                $("#sortbyscore0").html("<strong>Move</strong>");
                $("#sortbyscore1").html("<a href=\"javascript:resort_refutation_lines(true)\">Score</a>");
        }
+
+       // Update the move highlight, as we've rewritten all the HTML.
+       update_move_highlight();
 }
 
 /**
@@ -932,6 +932,7 @@ var update_board = function() {
 
        if (data['failed']) {
                $("#score").text("No analysis for this move");
+               $("#pvtitle").text("PV:");
                $("#pv").empty();
                $("#searchstats").html("&nbsp;");
                $("#refutationlines").empty();
@@ -976,9 +977,9 @@ var update_board = function() {
        // Update the board itself.
        fen = data['position']['fen'];
        update_displayed_line();
-       update_move_highlight();
 
        // Print the PV.
+       $("#pvtitle").text("PV:");
        $("#pv").html(add_pv(data['position']['fen'], data['pv_pretty'], data['position']['move_num'], data['position']['toplay']));
 
        // Update the PV arrow.
@@ -1336,7 +1337,7 @@ var show_line = function(line_num, move_num) {
                        update_board();
                }
        } else {
-               current_display_line = display_lines[line_num];
+               current_display_line = jQuery.extend({}, display_lines[line_num]);  // Shallow clone.
                current_display_move = move_num;
        }
        current_display_line_is_history = (line_num == 0);
@@ -1344,6 +1345,7 @@ var show_line = function(line_num, move_num) {
        update_historic_analysis();
        update_displayed_line();
        update_board_highlight();
+       update_move_highlight();
        redraw_arrows();
 }
 window['show_line'] = show_line;
@@ -1439,9 +1441,27 @@ var update_move_highlight = function() {
        if (highlighted_move !== null) {
                highlighted_move.removeClass('highlight'); 
        }
-       if (current_display_line !== null) {
-               highlighted_move = $("#automove" + current_display_line.line_number + "-" + current_display_move);
-               highlighted_move.addClass('highlight'); 
+       if (current_display_line) {
+               // See if the current displayed line is identical to any of the ones
+               // we have on screen. (It might not be if e.g. the analysis reloaded
+               // since we started looking.)
+               for (var i = 0; i < display_lines.length; ++i) {
+                       var line = display_lines[i];
+                       if (current_display_line.start_fen !== line.start_fen) continue;
+                       if (current_display_line.pretty_pv.length !== line.pretty_pv.length) continue;
+                       var ok = true;
+                       for (var j = 0; j < line.pretty_pv.length; ++j) {
+                               if (current_display_line.pretty_pv[j] !== line.pretty_pv[j]) {
+                                       ok = false;
+                                       break;
+                               }
+                       }
+                       if (ok) {
+                               highlighted_move = $("#automove" + i + "-" + current_display_move);
+                               highlighted_move.addClass('highlight');
+                               break;
+                       }
+               }
        }
 }