/** @type {window.ChessBoard} @private */
var board = null;
+/** @type {boolean} @private */
+var board_is_animating = false;
+
/**
* The most recent analysis data we have from the server
* (about the most recent position).
*/
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 */
/** @typedef {{
* start_fen: string,
- * uci_pv: Array.<string>,
* pretty_pv: Array.<string>,
- * line_num: number
* }} 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 = [];
possibly_play_sound(current_analysis_data, new_data);
current_analysis_data = new_data;
- update_board(current_analysis_data, displayed_analysis_data);
+ update_board();
update_num_viewers(num_viewers);
// Next update.
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);
}
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] ];
}
$("#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();
}
/**
+ * 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);
+ }
+}
+
/**
- * @param {Object} data
- * @param {?Object} display_data
+ * Try to find a running game that matches with the current hash,
+ * and switch to it if we're not already displaying it.
*/
-var update_board = function(current_data, display_data) {
- var data = display_data || current_data;
+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;
+ }
+ }
+}
+
+/** Update all the HTML on the page, based on current global state.
+ */
+var update_board = function() {
+ var data = displayed_analysis_data || current_analysis_data;
+ var current_data = current_analysis_data; // Convenience alias.
display_lines = [];
}
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;
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) {
+ if (displayed_analysis_data) {
// Displaying some non-current position, pick out the last move
// from the history. This will work even if the fetch failed.
last_move = format_halfmove_with_number(
} else {
highlight_from = highlight_to = undefined;
}
- update_highlight();
+ update_board_highlight();
if (data['failed']) {
$("#score").text("No analysis for this move");
+ $("#pvtitle").text("PV:");
$("#pv").empty();
$("#searchstats").html(" ");
$("#refutationlines").empty();
update_refutation_lines();
clear_arrows();
update_displayed_line();
+ update_move_highlight();
return;
}
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']);
update_displayed_line();
// 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.
// TODO: Support exiting to history position if we are in an
// analysis line of a history position.
displayed_analysis_data = null;
- update_board(current_analysis_data, displayed_analysis_data);
+ 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);
update_historic_analysis();
update_displayed_line();
- update_highlight();
+ update_board_highlight();
+ update_move_highlight();
redraw_arrows();
}
window['show_line'] = show_line;
}
update_historic_analysis();
update_displayed_line();
+ update_move_highlight();
}
window['prev_move'] = prev_move;
}
update_historic_analysis();
update_displayed_line();
+ update_move_highlight();
}
window['next_move'] = next_move;
}
if (current_display_move == current_display_line.pretty_pv.length - 1) {
displayed_analysis_data = null;
- update_board(current_analysis_data, displayed_analysis_data);
+ update_board();
}
// Fetch old analysis for this line if it exists.
url: filename
}).done(function(data, textstatus, xhr) {
displayed_analysis_data = data;
- update_board(current_analysis_data, displayed_analysis_data);
+ update_board();
}).fail(function(jqXHR, textStatus, errorThrown) {
if (textStatus === "abort") {
// Aborted because we are switching backends. Don't do anything;
// we will already have been cleared.
} else {
displayed_analysis_data = {'failed': true};
- update_board(current_analysis_data, displayed_analysis_data);
+ update_board();
}
});
}
$('#blackimbalance').html(black_imbalance);
}
-var update_displayed_line = function() {
+/** Mark the currently selected move in red.
+ */
+var update_move_highlight = function() {
if (highlighted_move !== null) {
highlighted_move.removeClass('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;
+ }
+ }
+ }
+}
+
+var update_displayed_line = function() {
if (current_display_line === null) {
$("#linenav").hide();
$("#linemsg").show();
$("#nextmove").html("<a href=\"javascript:next_move();\">Next</a></span>");
}
- highlighted_move = $("#automove" + current_display_line.line_number + "-" + current_display_move);
- highlighted_move.addClass('highlight');
-
var hiddenboard = chess_from(current_display_line.start_fen, current_display_line.pretty_pv, current_display_move);
+ board_is_animating = true;
+ var old_fen = board.fen();
board.position(hiddenboard.fen());
+ if (board.fen() === old_fen) board_is_animating = false;
update_imbalance(hiddenboard.fen());
}
}
// Create board.
- board = new window.ChessBoard('board', 'start');
+ board = new window.ChessBoard('board', {
+ onMoveEnd: function() { board_is_animating = false; }
+ });
request_update();
$(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);
projects / remoteglot / blobdiff