var ims = 0;
/** @type {boolean} @private */
-var sort_refutation_lines_by_score = false;
+var sort_refutation_lines_by_score = true;
+
+/** @type {boolean} @private */
+var truncate_display_history = true;
/** @type {!string|undefined} @private */
var highlight_from = undefined;
* @param {number} move_num
* @param {!string} toplay
* @param {number=} opt_limit
+ * @param {boolean=} opt_showlast
*/
-var print_pv = function(fen, uci_pv, pretty_pv, move_num, toplay, opt_limit) {
+var add_pv = function(fen, uci_pv, pretty_pv, move_num, toplay, opt_limit, opt_showlast) {
display_lines.push({
start_fen: fen,
uci_pv: uci_pv,
pretty_pv: pretty_pv
});
+ return print_pv(display_lines.length - 1, pretty_pv, move_num, toplay, 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 pv = '';
var i = 0;
- if (toplay == 'B') {
- var move = "<a class=\"move\" href=\"javascript:show_line(" + (display_lines.length - 1) + ", " + 0 + ");\">" + pretty_pv[0] + "</a>";
+ if (opt_limit && opt_showlast) {
+ // Truncate the PV at the beginning (instead of at the end).
+ // We assume here that toplay is 'W'. We also assume that if
+ // opt_showlast is set, then it is the history, and thus,
+ // the UI should be to expand the history.
+ pv = '(<a class="move" href="javascript:collapse_history(false)">…</a>) ';
+ i = pretty_pv.length - opt_limit;
+ if (i % 2 == 1) {
+ ++i;
+ }
+ move_num += i / 2;
+ } else if (toplay == 'B') {
+ var move = "<a class=\"move\" href=\"javascript:show_line(" + line_num + ", " + 0 + ");\">" + pretty_pv[0] + "</a>";
pv = move_num + '. … ' + move;
toplay = 'W';
++i;
++move_num;
}
for ( ; i < pretty_pv.length; ++i) {
- var move = "<a class=\"move\" href=\"javascript:show_line(" + (display_lines.length - 1) + ", " + i + ");\">" + pretty_pv[i] + "</a>";
+ var move = "<a class=\"move\" href=\"javascript:show_line(" + line_num + ", " + i + ");\">" + pretty_pv[i] + "</a>";
if (toplay == 'W') {
- if (i > opt_limit) {
+ if (i > opt_limit && !opt_showlast) {
return pv + ' (…)';
}
if (pv != '') {
}
}
+var update_history = function() {
+ if (display_lines[0] === null) {
+ $("#history").html("No history");
+ } else if (truncate_display_history) {
+ $("#history").html(print_pv(0, display_lines[0].pretty_pv, 1, 'W', 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'));
+ }
+}
+
+/**
+ * @param {!boolean} truncate_history
+ */
+var collapse_history = function(truncate_history) {
+ truncate_display_history = truncate_history;
+ update_history();
+}
+window['collapse_history'] = collapse_history;
+
var update_refutation_lines = function() {
if (fen === null) {
return;
var pv_td = document.createElement("td");
tr.appendChild(pv_td);
$(pv_td).addClass("pv");
- $(pv_td).html(print_pv(fen, line['pv_uci'], line['pv_pretty'], move_num, toplay, 10));
+ $(pv_td).html(add_pv(fen, line['pv_uci'], line['pv_pretty'], move_num, toplay, 10));
tbl.append(tr);
}
display_lines = [];
// The headline.
- var headline = 'Analysis';
+ var headline;
+ if (data['position']['player_w'] && data['position']['player_b']) {
+ headline = data['position']['player_w'] + '–' +
+ data['position']['player_b'] + ', analysis';
+ } else {
+ headline = 'Analysis';
+ }
if (data['position']['last_move'] !== 'none') {
headline += ' after '
if (data['position']['toplay'] == 'W') {
$("#numviewers").text(num_viewers + " current viewers");
}
+ // 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']);
}
if (data['tbhits'] && data['tbhits'] > 0) {
if (data['tbhits'] == 1) {
- stats += ', one Nalimov hit';
+ stats += ', one Syzygy hit';
} else {
- stats += ', ' + data['tbhits'] + ' Nalimov hits';
+ stats += ', ' + thousands(data['tbhits']) + ' Syzygy hits';
}
}
}
update_highlight();
+ // Print the history.
+ if (data['position']['history']) {
+ add_pv('start', data['position']['history'], data['position']['pretty_history'], 1, 'W', 8, true);
+ } else {
+ displayed_lines.push(null);
+ }
+ update_history();
+
// Print the PV.
- $("#pv").html(print_pv(data['position']['fen'], data['pv_uci'], data['pv_pretty'], data['position']['move_num'], data['position']['toplay']));
+ $("#pv").html(add_pv(data['position']['fen'], data['pv_uci'], data['pv_pretty'], data['position']['move_num'], data['position']['toplay']));
// Update the PV arrow.
clear_arrows();
}
window['resort_refutation_lines'] = resort_refutation_lines;
+/**
+ * @param {boolean} truncate_history
+ */
+var set_truncate_history = function(truncate_history) {
+ truncate_display_history = truncate_history;
+ update_refutation_lines();
+}
+window['set_truncate_history'] = set_truncate_history;
+
/**
* @param {number} line_num
* @param {number} move_num
window['show_line'] = show_line;
var prev_move = function() {
- --current_display_move;
+ if (current_display_move > -1) {
+ --current_display_move;
+ }
update_displayed_line();
}
window['prev_move'] = prev_move;
var next_move = function() {
- ++current_display_move;
+ if (current_display_line && current_display_move < current_display_line.pretty_pv.length - 1) {
+ ++current_display_move;
+ }
update_displayed_line();
}
window['next_move'] = next_move;
var move = current_display_line.uci_pv[i];
move = move.substr(0, 2) + "-" + move.substr(2, 4);
hiddenboard.move(move, false);
+
+ // chessboard.js does not automatically move the rook on castling
+ // (issue #51; marked as won't fix), so update it ourselves.
+ if (move == "e1-g1" && hiddenboard.position().g1 == "wK") { // white O-O
+ hiddenboard.move("h1-f1", false);
+ } else if (move == "e1-c1" && hiddenboard.position().c1 == "wK") { // white O-O-O
+ hiddenboard.move("a1-d1", false);
+ } else if (move == "e8-g8" && hiddenboard.position().g8 == "bK") { // black O-O
+ hiddenboard.move("h8-f8", false);
+ } else if (move == "e8-c8" && hiddenboard.position().c8 == "bK") { // black O-O-O
+ hiddenboard.move("a8-d8", false);
+ }
}
board.position(hiddenboard.position());
}
update_highlight();
redraw_arrows();
});
+ $(window).keyup(function(event) {
+ if (event.which == 39) {
+ next_move();
+ } else if (event.which == 37) {
+ prev_move();
+ }
+ });
};
$(document).ready(init);
projects / remoteglot / blobdiff