]> git.sesse.net Git - remoteglot/blobdiff - www/js/remoteglot.js
Yet more small docstring updates.
[remoteglot] / www / js / remoteglot.js
index 12b349ae151c236e4551e2b8ad8ccc13405878b9..0cca9fa3dbc1e58ee15718dc87f5f4b80ac2ccf1 100644 (file)
@@ -37,6 +37,18 @@ var current_analysis_data = null;
  */
 var displayed_analysis_data = null;
 
+/**
+ * Games currently in progress, if any.
+ *
+ * @type {?Array.<{
+ *      name: string,
+ *      url: string,
+ *      id: string,
+ * }>}
+ * @private
+ */
+var current_games = null;
+
 /** @type {Array.<{
  *      from_col: number,
  *      from_row: number,
@@ -111,7 +123,13 @@ var fen = null;
  * }} DisplayLine
  */
 
-/** @type {Array.<DisplayLine>}
+/** All PVs that we currently know of.
+ *
+ * Element 0 is history (or null if no history).
+ * Element 1 is current main PV.
+ * All remaining elements are refutation lines (multi-PV).
+ *
+ * @type {Array.<DisplayLine>}
  * @private
  */
 var display_lines = [];
@@ -637,11 +655,16 @@ var collapse_history = function(truncate_history) {
 }
 window['collapse_history'] = collapse_history;
 
+/** Update the HTML display of multi-PV from the global "refutation_lines".
+ *
+ * Also recreates the global "display_lines".
+ */
 var update_refutation_lines = function() {
        if (fen === null) {
                return;
        }
        if (display_lines.length > 2) {
+               // Truncate so that only the history and PV is left.
                display_lines = [ display_lines[0], display_lines[1] ];
        }
 
@@ -698,6 +721,9 @@ var update_refutation_lines = function() {
 }
 
 /**
+ * Create a Chess.js board object, containing the given position plus the given moves,
+ * up to the given limit.
+ *
  * @param {?string} fen
  * @param {Array.<string>} moves
  * @param {number} last_move
@@ -719,6 +745,51 @@ var chess_from = function(fen, moves, last_move) {
        return hiddenboard;
 }
 
+var update_game_list = function(games) {
+       $("#games").text("");
+       if (games === null) {
+               return;
+       }
+
+       var games_div = document.getElementById('games');
+       for (var game_num = 0; game_num < games.length; ++game_num) {
+               var game = games[game_num];
+               var game_span = document.createElement("span");
+               game_span.setAttribute("class", "game");
+
+               var game_name = document.createTextNode(game['name']);
+               if (game['url'] === backend_url) {
+                       game_span.appendChild(game_name);
+               } else {
+                       var game_a = document.createElement("a");
+                       game_a.setAttribute("href", "#" + game['id']);
+                       game_a.appendChild(game_name);
+                       game_span.appendChild(game_a);
+               }
+               games_div.appendChild(game_span);
+       }
+}
+
+/**
+ * Try to find a running game that matches with the current hash,
+ * and switch to it if we're not already displaying it.
+ */
+var possibly_switch_game_from_hash = function() {
+       if (current_games === null) {
+               return;
+       }
+
+       var hash = window.location.hash.replace(/^#/,'');
+       for (var i = 0; i < current_games.length; ++i) {
+               if (current_games[i]['id'] === hash) {
+                       if (backend_url !== current_games[i]['url']) {
+                               switch_backend(current_games[i]['url']);
+                       }
+                       return;
+               }
+       }
+}
+
 /**
  * @param {Object} data
  * @param {?Object} display_data
@@ -738,6 +809,16 @@ var update_board = function(current_data, display_data) {
        }
        update_history();
 
+       // Games currently in progress, if any.
+       if (current_data['games']) {
+               current_games = current_data['games'];
+               possibly_switch_game_from_hash();
+               update_game_list(current_data['games']);
+       } else {
+               current_games = null;
+               update_game_list(null);
+       }
+
        // The headline. Names are always fetched from current_data;
        // the rest can depend a bit.
        var headline;
@@ -749,6 +830,50 @@ var update_board = function(current_data, display_data) {
                headline = 'Analysis';
        }
 
+       // Credits, where applicable. Note that we don't want the footer to change a lot
+       // when e.g. viewing history, so if any of these changed during the game,
+       // use the current one still.
+       if (current_data['using_lomonosov']) {
+               $("#lomonosov").show();
+       } else {
+               $("#lomonosov").hide();
+       }
+
+       // Credits: The engine name/version.
+       if (current_data['engine'] && current_data['engine']['name'] !== null) {
+               $("#engineid").text(current_data['engine']['name']);
+       }
+
+       // Credits: The engine URL.
+       if (current_data['engine'] && current_data['engine']['url']) {
+               $("#engineid").attr("href", current_data['engine']['url']);
+       } else {
+               $("#engineid").removeAttr("href");
+       }
+
+       // Credits: Engine details.
+       if (current_data['engine'] && current_data['engine']['details']) {
+               $("#enginedetails").text(" (" + current_data['engine']['details'] + ")");
+       } else {
+               $("#enginedetails").text("");
+       }
+
+       // Credits: Move source, possibly with URL.
+       if (current_data['move_source'] && current_data['move_source_url']) {
+               $("#movesource").text("Moves provided by ");
+               var movesource_a = document.createElement("a");
+               movesource_a.setAttribute("href", current_data['move_source_url']);
+               var movesource_text = document.createTextNode(current_data['move_source']);
+               movesource_a.appendChild(movesource_text);
+               var movesource_period = document.createTextNode(".");
+               document.getElementById("movesource").appendChild(movesource_a);
+               document.getElementById("movesource").appendChild(movesource_period);
+       } else if (current_data['move_source']) {
+               $("#movesource").text("Moves provided by " + current_data['move_source'] + ".");
+       } else {
+               $("#movesource").text("");
+       }
+
        var last_move;
        if (display_data) {
                // Displaying some non-current position, pick out the last move
@@ -817,11 +942,6 @@ var update_board = function(current_data, display_data) {
 
        update_clock();
 
-       // The engine id.
-       if (data['id'] && data['id']['name'] !== null) {
-               $("#engineid").text(data['id']['name']);
-       }
-
        // The score.
        if (data['score'] !== null) {
                $("#score").text(data['score']);
@@ -1429,6 +1549,7 @@ var init = function() {
                        prev_move();
                }
        });
+       window.addEventListener('hashchange', possibly_switch_game_from_hash, false);
 };
 $(document).ready(init);