Support navigating in the PVs.
authorSteinar H. Gunderson <sgunderson@bigfoot.com>
Thu, 21 Nov 2013 21:54:39 +0000 (22:54 +0100)
committerSteinar H. Gunderson <sgunderson@bigfoot.com>
Thu, 21 Nov 2013 21:54:39 +0000 (22:54 +0100)
www/css/remoteglot.css
www/index.html
www/js/remoteglot.js

index f44c11f..b0aadab 100644 (file)
@@ -77,6 +77,9 @@ p {
        width: 100%;
        padding: 0;
 }
+#hiddenboard {
+       display: none;
+}
 #numviewers {
        display: block;
        width: 100%;
@@ -113,3 +116,15 @@ p {
                min-width: 0;
        }
 }
+a.move {
+       color: black;
+       text-decoration: none;
+}
+a.move:hover {
+       font-weight: bold;
+       text-decoration: underline;
+}
+
+#linenav {
+       display: none;
+}
index ce8cb42..699ec5e 100644 (file)
@@ -13,6 +13,7 @@
 <h1 id="headline">Analysis</h1>
 <div id="boardcontainer">
   <div id="board"></div>
+  <div id="hiddenboard"></div>
   <p id="numviewers"></p>
 </div>
 <div id="analysis">
   <p id="searchstats"></p>
   <h3>Shallow search of all legal moves (multi-PV)</h3>
   <p id="sortbyscoreholder">Sort by: <span id="sortbyscore0"><a href="javascript:resort_refutation_lines(0)">Move</a></span>
-    <span id="sortbyscore1"><a href="javascript:resort_refutation_lines(1)">Score</a></span></p>
+    <span id="sortbyscore1"><a href="javascript:resort_refutation_lines(1)">Score</a></span>
+    |
+    <span id="linemsg">Click on any move to show it on the board.</span>
+    <span id="linenav">
+      <span id="prevmove"><a href="javascript:prev_move();">Previous</a></span>,
+      <span id="nextmove"><a href="javascript:next_move();">Next</a></span>,
+      <a href="javascript:show_line(-1, -1);">Exit to main position</a>
+    </span></p>
   <table id="refutationlines"></table>
 </div>
 <h2 style="clear: both;">Symbol explanation</h2>
index 9be7182..c9ff8d8 100644 (file)
@@ -1,4 +1,5 @@
-var board = [];
+var board = null;
+var hiddenboard = null;
 var arrows = [];
 var arrow_targets = [];
 var occupied_by_arrows = [];
@@ -11,6 +12,11 @@ var highlight_from = undefined;
 var highlight_to = undefined;
 var unique = Math.random();
 
+var fen = null;
+var display_lines = [];
+var current_display_line = null;
+var current_display_move = null;
+
 var request_update = function(board) {
        $.ajax({
                url: "http://analysis.sesse.net/analysis.pl?ims=" + ims + "&unique=" + unique
@@ -128,6 +134,11 @@ var position_arrow = function(arrow) {
        if (arrow.connection2) {
                jsPlumb.detach(arrow.connection2);
        }
+       if (current_display_line !== null) {
+               delete arrow.connection1;
+               delete arrow.connection2;
+               return;
+       }
        arrow.connection1 = jsPlumb.connect({
                source: arrow.s1,
                target: arrow.d1,
@@ -260,16 +271,25 @@ var thousands = function(x) {
        return String(x).split('').reverse().join('').replace(/(\d{3}\B)/g, '$1,').split('').reverse().join('');
 }
 
-var print_pv = function(pretty_pv, move_num, toplay, limit) {
+var print_pv = function(fen, uci_pv, pretty_pv, move_num, toplay, limit) {
+       display_lines.push({
+               start_fen: fen,
+               uci_pv: uci_pv,
+               pretty_pv: pretty_pv 
+       });
+
        var pv = '';
        var i = 0;
        if (toplay == 'B') {
-               pv = move_num + '. … ' + pretty_pv[0];
+               var move = "<a class=\"move\" href=\"javascript:show_line(" + (display_lines.length - 1) + ", " + 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>";
+
                if (toplay == 'W') {
                        if (i > limit) {
                                return pv + ' (…)';
@@ -277,11 +297,11 @@ var print_pv = function(pretty_pv, move_num, toplay, limit) {
                        if (pv != '') {
                                pv += ' ';
                        }
-                       pv += move_num + '. ' + pretty_pv[i];
+                       pv += move_num + '. ' + move;
                        ++move_num;
                        toplay = 'B';
                } else {
-                       pv += ' ' + pretty_pv[i];
+                       pv += ' ' + move;
                        toplay = 'W';
                }
        }
@@ -290,7 +310,7 @@ var print_pv = function(pretty_pv, move_num, toplay, limit) {
 
 var update_highlight = function()  {
        $("#board").find('.square-55d63').removeClass('nonuglyhighlight');
-       if (highlight_from !== undefined && highlight_to !== undefined) {
+       if (current_display_line === null && highlight_from !== undefined && highlight_to !== undefined) {
                $("#board").find('.square-' + highlight_from).addClass('nonuglyhighlight');
                $("#board").find('.square-' + highlight_to).addClass('nonuglyhighlight');
        }
@@ -314,7 +334,12 @@ var update_refutation_lines = function(board) {
                var move_td = document.createElement("td");
                tr.appendChild(move_td);
                $(move_td).addClass("move");
-               $(move_td).text(line.pretty_move);
+               if (line.pv_uci.length == 0) {
+                       $(move_td).text(line.pretty_move);
+               } else {
+                       var move = "<a class=\"move\" href=\"javascript:show_line(" + display_lines.length + ", " + 0 + ");\">" + line.pretty_move + "</a>";
+                       $(move_td).html(move);
+               }
 
                var score_td = document.createElement("td");
                tr.appendChild(score_td);
@@ -329,7 +354,7 @@ var update_refutation_lines = function(board) {
                var pv_td = document.createElement("td");
                tr.appendChild(pv_td);
                $(pv_td).addClass("pv");
-               $(pv_td).text(print_pv(line.pv_pretty, move_num, toplay, 10));
+               $(pv_td).html(print_pv(fen, line.pv_uci, line.pv_pretty, move_num, toplay, 10));
 
                tbl.append(tr);
        }
@@ -389,7 +414,8 @@ var update_board = function(board, data, num_viewers) {
        }
 
        // Update the board itself.
-       board.position(data.position.fen);
+       fen = data.position.fen;
+       update_displayed_line();
 
        if (data.position.last_move_uci) {
                highlight_from = data.position.last_move_uci.substr(0, 2);
@@ -400,8 +426,7 @@ var update_board = function(board, data, num_viewers) {
        update_highlight();
 
        // Print the PV.
-       var pv = print_pv(data.pv_pretty, data.position.move_num, data.position.toplay);
-       $("#pv").text(pv);
+       $("#pv").html(print_pv(data.position.fen, data.pv_uci, data.pv_pretty, data.position.move_num, data.position.toplay));
 
        // Update the PV arrow.
        clear_arrows();
@@ -456,6 +481,7 @@ var update_board = function(board, data, num_viewers) {
        }
 
        // Update the refutation lines.
+       fen = data.position.fen;
        move_num = data.position.move_num;
        toplay = data.position.toplay;
        refutation_lines = data.refutation_lines;
@@ -470,9 +496,64 @@ var resort_refutation_lines = function(sort_by_score) {
        update_refutation_lines(board);
 }
 
+var show_line = function(line_num, move_num) {
+       if (line_num == -1) {
+               current_display_line = null;
+               current_display_move = null;
+       } else {
+               current_display_line = display_lines[line_num];
+               current_display_move = move_num;
+       }
+       update_displayed_line();
+       update_highlight();
+       redraw_arrows();
+}
+
+var prev_move = function() {
+       --current_display_move;
+       update_displayed_line();
+}
+
+var next_move = function() {
+       ++current_display_move;
+       update_displayed_line();
+}
+
+var update_displayed_line = function() {
+       if (current_display_line === null) {
+               $("#linenav").hide();
+               $("#linemsg").show();
+               board.position(fen);
+               return;
+       }
+
+       $("#linenav").show();
+       $("#linemsg").hide();
+
+       if (current_display_move == 0) {
+               $("#prevmove").html("Previous");
+       } else {
+               $("#prevmove").html("<a href=\"javascript:prev_move();\">Previous</a></span>");
+       }
+       if (current_display_move == current_display_line.uci_pv.length - 1) {
+               $("#nextmove").html("Next");
+       } else {
+               $("#nextmove").html("<a href=\"javascript:next_move();\">Next</a></span>");
+       }
+
+       hiddenboard.position(current_display_line.start_fen, false);
+       for (var i = 0; i <= current_display_move; ++i) {
+               var move = current_display_line.uci_pv[i];
+               move = move.substr(0, 2) + "-" + move.substr(2, 4);
+               hiddenboard.move(move, false);
+       }
+       board.position(hiddenboard.position());
+}
+
 var init = function() {
        // Create board.
        board = new ChessBoard('board', 'start');
+       hiddenboard = new ChessBoard('hiddenboard', 'start');
 
        request_update(board);
        $(window).resize(function() {