var board = null;
var hiddenboard = null;
var arrows = [];
-var arrow_targets = [];
var occupied_by_arrows = [];
var refutation_lines = [];
var move_num = 1;
var clear_arrows = function() {
for (var i = 0; i < arrows.length; ++i) {
- if (arrows[i].connection1) {
- jsPlumb.detach(arrows[i].connection1);
- }
- if (arrows[i].connection2) {
- jsPlumb.detach(arrows[i].connection2);
+ if (arrows[i].svg) {
+ arrows[i].svg.parentElement.removeChild(arrows[i].svg);
+ delete arrows[i].svg;
}
}
arrows = [];
- for (var i = 0; i < arrow_targets.length; ++i) {
- document.body.removeChild(arrow_targets[i]);
- }
- arrow_targets = [];
-
- occupied_by_arrows = [];
+ occupied_by_arrows = [];
for (var y = 0; y < 8; ++y) {
occupied_by_arrows.push([false, false, false, false, false, false, false, false]);
}
return false;
}
-var add_target = function() {
- var elem = document.createElement("div");
- $(elem).addClass("window");
- elem.id = "target" + arrow_targets.length;
- document.body.appendChild(elem);
- arrow_targets.push(elem);
- return elem.id;
+var point_from_start = function(x1, y1, x2, y2, t, u) {
+ var dx = x2 - x1;
+ var dy = y2 - y1;
+
+ var norm = 1.0 / Math.sqrt(dx * dx + dy * dy);
+ dx *= norm;
+ dy *= norm;
+
+ var x = x1 + dx * t + dy * u;
+ var y = y1 + dy * t - dx * u;
+ return x + " " + y;
}
-
+
+var point_from_end = function(x1, y1, x2, y2, t, u) {
+ var dx = x2 - x1;
+ var dy = y2 - y1;
+
+ var norm = 1.0 / Math.sqrt(dx * dx + dy * dy);
+ dx *= norm;
+ dy *= norm;
+
+ var x = x2 + dx * t + dy * u;
+ var y = y2 + dy * t - dx * u;
+ return x + " " + y;
+}
+
var position_arrow = function(arrow) {
+ if (arrow.svg) {
+ arrow.svg.parentElement.removeChild(arrow.svg);
+ delete arrow.svg;
+ }
+ if (current_display_line !== null) {
+ return;
+ }
+
+ var pos = $(".square-a8").position();
+
var zoom_factor = $("#board").width() / 400.0;
var line_width = arrow.line_width * zoom_factor;
var arrow_size = arrow.arrow_size * zoom_factor;
var from_x = (arrow.from_col + 0.5)*square_width;
var to_x = (arrow.to_col + 0.5)*square_width;
- var dx = to_x - from_x;
- var dy = to_y - from_y;
- var len = Math.sqrt(dx * dx + dy * dy);
- dx /= len;
- dy /= len;
- var pos = $(".square-a8").position();
- $("#" + arrow.s1).css({ top: pos.top + from_y + (0.5 * arrow_size) * dy, left: pos.left + from_x + (0.5 * arrow_size) * dx });
- $("#" + arrow.d1).css({ top: pos.top + to_y - (0.5 * arrow_size) * dy, left: pos.left + to_x - (0.5 * arrow_size) * dx });
- $("#" + arrow.s1v).css({ top: pos.top + from_y - 0 * dy, left: pos.left + from_x - 0 * dx });
- $("#" + arrow.d1v).css({ top: pos.top + to_y + 0 * dy, left: pos.left + to_x + 0 * dx });
-
- if (arrow.connection1) {
- jsPlumb.detach(arrow.connection1);
- }
- 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,
- connector:["Straight"],
- cssClass:"c1",
- endpoint:"Blank",
- endpointClass:"c1Endpoint",
- anchor:"Continuous",
- paintStyle:{
- lineWidth:line_width,
- strokeStyle:arrow.fg_color,
- outlineWidth:1,
- outlineColor:"#666",
- opacity:"60%"
- }
- });
- arrow.connection2 = jsPlumb.connect({
- source: arrow.s1v,
- target: arrow.d1v,
- connector:["Straight"],
- cssClass:"vir",
- endpoint:"Blank",
- endpointClass:"c1Endpoint",
- anchor:"Continuous",
- paintStyle:{
- lineWidth:0,
- strokeStyle:arrow.fg_color,
- outlineWidth:0,
- outlineColor:"#666",
- },
- overlays : [
- ["Arrow", {
- cssClass:"l1arrow",
- location:1.0,
- width: arrow_size,
- length: arrow_size,
- paintStyle: {
- lineWidth:line_width,
- strokeStyle:"#000",
- },
- }]
- ]
- });
+ var SVG_NS = "http://www.w3.org/2000/svg";
+ var XHTML_NS = "http://www.w3.org/1999/xhtml";
+ var svg = document.createElementNS(SVG_NS, "svg");
+ svg.setAttribute("width", $("#board").width());
+ svg.setAttribute("height", $("#board").height());
+ svg.setAttribute("style", "position: absolute");
+ svg.setAttribute("position", "absolute");
+ svg.setAttribute("version", "1.1");
+ svg.setAttribute("class", "c1");
+ svg.setAttribute("xmlns", XHTML_NS);
+
+ var x1 = from_x;
+ var y1 = from_y;
+ var x2 = to_x;
+ var y2 = to_y;
+
+ // Draw the line.
+ var outline = document.createElementNS(SVG_NS, "path");
+ outline.setAttribute("d", "M " + point_from_start(x1, y1, x2, y2, arrow_size / 2, 0) + " L " + point_from_end(x1, y1, x2, y2, -arrow_size / 2, 0));
+ outline.setAttribute("xmlns", XHTML_NS);
+ outline.setAttribute("stroke", "#666");
+ outline.setAttribute("stroke-width", line_width + 2);
+ outline.setAttribute("fill", "none");
+ svg.appendChild(outline);
+
+ var path = document.createElementNS(SVG_NS, "path");
+ path.setAttribute("d", "M " + point_from_start(x1, y1, x2, y2, arrow_size / 2, 0) + " L " + point_from_end(x1, y1, x2, y2, -arrow_size / 2, 0));
+ path.setAttribute("xmlns", XHTML_NS);
+ path.setAttribute("stroke", arrow.fg_color);
+ path.setAttribute("stroke-width", line_width);
+ path.setAttribute("fill", "none");
+ svg.appendChild(path);
+
+ // Then the arrow head.
+ var head = document.createElementNS(SVG_NS, "path");
+ head.setAttribute("d",
+ "M " + point_from_end(x1, y1, x2, y2, 0, 0) +
+ " L " + point_from_end(x1, y1, x2, y2, -arrow_size, -arrow_size / 2) +
+ " L " + point_from_end(x1, y1, x2, y2, -arrow_size * .623, 0.0) +
+ " L " + point_from_end(x1, y1, x2, y2, -arrow_size, arrow_size / 2) +
+ " L " + point_from_end(x1, y1, x2, y2, 0, 0));
+ head.setAttribute("xmlns", XHTML_NS);
+ head.setAttribute("stroke", "#000");
+ head.setAttribute("stroke-width", "1");
+ head.setAttribute("fill", "#f66");
+ svg.appendChild(head);
+
+ $(svg).css({ top: pos.top, left: pos.left });
+ document.body.appendChild(svg);
+ arrow.svg = svg;
}
var create_arrow = function(from_square, to_square, fg_color, line_width, arrow_size) {
// Create arrow.
var arrow = {
- s1: add_target(),
- d1: add_target(),
- s1v: add_target(),
- d1v: add_target(),
from_col: from_col,
from_row: from_row,
to_col: to_col,
to_row: to_row,
line_width: line_width,
- arrow_size: arrow_size,
+ arrow_size: arrow_size,
fg_color: fg_color
};
pv = move_num + '. … ' + move;
toplay = 'W';
++i;
+ ++move_num;
}
- ++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 tbl = $("#refutationlines");
tbl.empty();
- moves = [];
+ var moves = [];
for (var move in refutation_lines) {
moves.push(move);
}
// The headline.
var headline = 'Analysis';
if (data.position.last_move !== 'none') {
- headline += ' after ' + data.position.move_num + '. ';
+ headline += ' after '
if (data.position.toplay == 'W') {
- headline += '… ';
+ headline += (data.position.move_num-1) + '… ';
+ } else {
+ headline += data.position.move_num + '. ';
}
headline += data.position.last_move;
}
projects / remoteglot / blobdiff