X-Git-Url: https://git.sesse.net/?p=remoteglot;a=blobdiff_plain;f=www%2Fjs%2Fremoteglot.js;h=0cca9fa3dbc1e58ee15718dc87f5f4b80ac2ccf1;hp=12b349ae151c236e4551e2b8ad8ccc13405878b9;hb=a87944ae9bedc34049b01e584b0a8ab7fccdc767;hpb=be3ec2db9cd21b41c131b9ecccc3e00dd0c57320

diff --git a/www/js/remoteglot.js b/www/js/remoteglot.js
index 12b349a..0cca9fa 100644
--- a/www/js/remoteglot.js
+++ b/www/js/remoteglot.js
@@ -37,6 +37,18 @@ var current_analysis_data = null;
  */
 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,
@@ -111,7 +123,13 @@ var fen = null;
  * }} 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 = [];
@@ -637,11 +655,16 @@ var collapse_history = function(truncate_history) {
 }
 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] ];
 	}
 
@@ -698,6 +721,9 @@ var update_refutation_lines = function() {
 }
 
 /**
+ * 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
@@ -719,6 +745,51 @@ var chess_from = function(fen, moves, 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
@@ -738,6 +809,16 @@ var update_board = function(current_data, display_data) {
 	}
 	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;
@@ -749,6 +830,50 @@ var update_board = function(current_data, display_data) {
 		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) {
 		// Displaying some non-current position, pick out the last move
@@ -817,11 +942,6 @@ var update_board = function(current_data, display_data) {
 
 	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']);
@@ -1429,6 +1549,7 @@ var init = function() {
 			prev_move();
 		}
 	});
+	window.addEventListener('hashchange', possibly_switch_game_from_hash, false);
 };
 $(document).ready(init);