(function() {
var board = null;
-var moves = [];
+var history = [];
var move_override = 0;
+var entity_map = {
+ "&": "&",
+ "<": "<",
+ ">": ">",
+ '"': '"',
+ "'": ''',
+};
+
+function escape_html(string) {
+ return String(string).replace(/[&<>"']/g, function (s) {
+ return entity_map[s];
+ });
+}
+
var get_game = function() {
var game = new Chess();
for (var i = 0; i < move_override; ++i) {
- game.move(moves[i]);
+ game.move(history[i]);
}
return game;
}
var update = function() {
+ var text = "";
+ for (var i = 0; i < history.length; ++i) {
+ if (i % 2 == 0) {
+ text += (i/2 + 1) + ". ";
+ }
+ if (i + 1 == move_override) {
+ text += '<strong>' + history[i] + '</strong>';
+ } else {
+ text += '<a href="javascript:set_move(' + (i + 1) + ')">' + history[i] + '</a>';
+ }
+ text += " ";
+ }
+ $('#gamehistory').html(text);
+
var game = get_game();
board.position(game.fen());
fetch_analysis();
[ "AWin%", TYPE_RATIO ],
];
var sort_by = 1;
+var direction = 1;
var show_lines = function(data, game) {
var moves = data['moves'];
$('#numviewers').text(data['opening']);
+
+ if (data['root_game']) {
+ var text = escape_html(data['root_game']['white']);
+ if (data['root_game']['white_elo']) {
+ text += " (" + escape_html(data['root_game']['white_elo']) + ")";
+ }
+ text += " – " + escape_html(data['root_game']['black']);
+ if (data['root_game']['black_elo']) {
+ text += " (" + escape_html(data['root_game']['black_elo']) + ")";
+ }
+ text += " " + escape_html(data['root_game']['result']).replace(/-/, "–") + "<br />";
+ if (data['root_game']['eco']) {
+ text += "[" + escape_html(data['root_game']['eco']) + "] ";
+ }
+ text += "(" + data['root_game']['moves'] + ") ";
+ text += escape_html(data['root_game']['event']) + " " + escape_html(data['root_game']['date']);
+ $('#gamesummary').html(text);
+ }
+
var total_num = 0;
for (var i = 0; i < moves.length; ++i) {
var move = moves[i];
- total_num += parseInt(move['white']);
- total_num += parseInt(move['draw']);
- total_num += parseInt(move['black']);
+ if (move['move']) {
+ total_num += parseInt(move['white']);
+ total_num += parseInt(move['draw']);
+ total_num += parseInt(move['black']);
+ }
}
var headings_tr = $("#headings");
$(th).text(headings[i][0]);
(function(new_sort_by) {
$(th).click(function() {
- sort_by = new_sort_by;
+ if (sort_by == new_sort_by) {
+ direction = -direction;
+ } else {
+ sort_by = new_sort_by;
+ direction = 1;
+ }
show_lines(data, game);
});
})(i);
lines.push(line);
}
- lines.sort(function(a, b) { return b[sort_by] - a[sort_by]; });
+ lines.sort(function(a, b) { return direction * ( b[sort_by] - a[sort_by]); });
var tbl = $("#lines");
tbl.empty();
var line = lines[i];
var tr = document.createElement("tr");
+ if (line[0] === undefined) {
+ $(tr).addClass("totals");
+ }
+
for (var j = 0; j < line.length; ++j) {
if (line[j] === null) {
add_td(tr, "");
var td = document.createElement("td");
tr.appendChild(td);
$(td).addClass("move");
+ if (line[j] !== undefined) {
+ if (move_override % 2 == 0) {
+ $(td).text(((move_override / 2) + 1) + ". ");
+ } else {
+ $(td).text(((move_override / 2) + 0.5) + "…");
+ }
+ }
+
var move_a = document.createElement("a");
move_a.href = "javascript:make_move('" + line[j] + "')";
td.appendChild(move_a);
}
var make_move = function(move) {
- moves.length = move_override;
- moves.push(move);
- move_override = moves.length;
+ if (move_override < history.length && history[move_override] == move) {
+ // User effectively only moved forward in history.
+ ++move_override;
+ } else {
+ history.length = move_override;
+ history.push(move);
+ move_override = history.length;
+ }
update();
}
window['make_move'] = make_move;
window['prev_move'] = prev_move;
var next_move = function() {
- if (move_override < moves.length) {
+ if (move_override < history.length) {
++move_override;
update();
}
}
window['next_move'] = next_move;
+var set_move = function(n) {
+ move_override = n;
+ update();
+}
+window['set_move'] = set_move;
+
// almost all of this stuff comes from the chessboard.js example page
var onDragStart = function(source, piece, position, orientation) {
var game = get_game();
// illegal move
if (move === null) return 'snapback';
- moves = game.history({ verbose: true });
- move_override = moves.length;
+ var new_history = game.history({ verbose: true });
+ history = [];
+ for (var i = 0; i < new_history.length; ++i) {
+ history.push(new_history[i].san);
+ }
+ move_override = history.length;
+ update();
};
// update the board position after the piece snap