*/
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,
/** @type {!string|undefined} @private */
var highlight_to = undefined;
-/** @type {?jQuery} @private */
+/** The HTML object of the move currently being highlighted (in red).
+ * @type {?jQuery}
+ * @private */
var highlighted_move = null;
/** @type {?number} @private */
* }} 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 = [];
return pv;
}
-var update_highlight = function() {
+/** Update the highlighted to/from squares on the board.
+ * Based on the global "highlight_from" and "highlight_to" variables.
+ */
+var update_board_highlight = function() {
$("#board").find('.square-55d63').removeClass('nonuglyhighlight');
if ((current_display_line === null || current_display_line_is_history) &&
highlight_from !== undefined && highlight_to !== undefined) {
}
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] ];
}
}
/**
+ * 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
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
update_history();
// Games currently in progress, if any.
- $("#games").text("");
if (current_data['games']) {
- var games_div = document.getElementById('games');
- for (var game_num = 0; game_num < current_data['games'].length; ++game_num) {
- var game = current_data['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", "javascript:switch_backend('" + game['url'] + "')");
- game_a.appendChild(game_name);
- game_span.appendChild(game_a);
- }
- games_div.appendChild(game_span);
- }
+ 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;
} else {
highlight_from = highlight_to = undefined;
}
- update_highlight();
+ update_board_highlight();
if (data['failed']) {
$("#score").text("No analysis for this move");
update_historic_analysis();
update_displayed_line();
- update_highlight();
+ update_board_highlight();
redraw_arrows();
}
window['show_line'] = show_line;
$(window).resize(function() {
board.resize();
update_sparkline(displayed_analysis_data || current_analysis_data);
- update_highlight();
+ update_board_highlight();
redraw_arrows();
});
$(window).keyup(function(event) {
prev_move();
}
});
+ window.addEventListener('hashchange', possibly_switch_game_from_hash, false);
};
$(document).ready(init);