/** @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).
/** @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
*/
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.
}
/**
- * @param {!string} fen
+ * @param {!string} start_fen
* @param {Array.<string>} pretty_pv
* @param {number} move_num
* @param {!string} toplay
* @param {number=} opt_limit
* @param {boolean=} opt_showlast
*/
-var add_pv = function(fen, pretty_pv, move_num, toplay, opt_limit, opt_showlast) {
+var add_pv = function(start_fen, pretty_pv, move_num, toplay, start_display_move_num, opt_limit, opt_showlast) {
display_lines.push({
- start_fen: fen,
+ start_fen: start_fen,
pretty_pv: pretty_pv,
- line_number: display_lines.length
+ move_num: parseInt(move_num),
+ toplay: toplay,
+ start_display_move_num: start_display_move_num,
});
- return print_pv(display_lines.length - 1, pretty_pv, move_num, toplay, opt_limit, opt_showlast);
+ return print_pv(display_lines.length - 1, opt_limit, opt_showlast);
}
/**
* @param {number} line_num
- * @param {Array.<string>} pretty_pv
- * @param {number} move_num
- * @param {!string} toplay
* @param {number=} opt_limit
* @param {boolean=} opt_showlast
*/
-var print_pv = function(line_num, pretty_pv, move_num, toplay, opt_limit, opt_showlast) {
+var print_pv = function(line_num, opt_limit, opt_showlast) {
+ var display_line = display_lines[line_num];
+ var pretty_pv = display_line.pretty_pv;
+ var move_num = display_line.move_num;
+ var toplay = display_line.toplay;
+
var pv = '';
var i = 0;
if (opt_limit && opt_showlast && pretty_pv.length > opt_limit) {
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) {
if (display_lines[0] === null || display_lines[0].pretty_pv.length == 0) {
$("#history").html("No history");
} else if (truncate_display_history) {
- $("#history").html(print_pv(0, display_lines[0].pretty_pv, 1, 'W', 8, true));
+ $("#history").html(print_pv(0, 8, true));
} else {
$("#history").html(
'(<a class="move" href="javascript:collapse_history(true)">collapse</a>) ' +
- print_pv(0, display_lines[0].pretty_pv, 1, 'W'));
+ print_pv(0, 1, 'W'));
}
}
}
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
}
}
-/**
- * @param {Object} data
- * @param {?Object} display_data
+/** Update all the HTML on the page, based on current global state.
*/
-var update_board = function(current_data, display_data) {
- var data = display_data || current_data;
+var update_board = function() {
+ var data = displayed_analysis_data || current_analysis_data;
+ var current_data = current_analysis_data; // Convenience alias.
display_lines = [];
}
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_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) {