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board-generator.html
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board-generator.html
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<html>
<!--
pgn4web javascript chessboard
copyright (C) 2009, 2010 Paolo Casaschi
see README file and http://pgn4web.casaschi.net
for credits, license and more details
-->
<head>
<title>pgn4web board generator</title>
<style type="text/css">
html,
body {
font-family: sans-serif;
color: black;
background: white;
padding: 10px;
}
a {
text-decoration: none;
color: black;
}
.helptext, .helplink {
color: gray;
}
.helptext {
font-size: 80%;
}
.input, .textbox {
border-width: 2px;
border-style: inset;
border-color: #CCCCCC;
}
.input, .checkbox, .dropdown, .largeDropdown, .configtext {
/* if the margin-left value below is changed from 22px
then the corresponding value at the end of the file needs changing accordingly */
margin-left: 22px;
}
.textbox {
width: 100%;
}
</style>
<link rel="shortcut icon" href="pawn.ico" />
</head>
<body>
<script type="text/javascript" src="jscolor/jscolor.js"></script>
<script src="pgn4web-server-config.js" type="text/javascript"></script>
<script src="pgn4web.js" type="text/javascript"></script>
<script src="pgn-decoder.js" type="text/javascript"></script>
<script src="pgn-encoder.js" type="text/javascript"></script>
<script src="crc32.js" type="text/javascript"></script>
<script type="text/javascript">
// this should have been defined in pgn4web-server-config.js
// setting default value here just in case
var pgn4web_board_url;
if (pgn4web_board_url == undefined) { pgn4web_board_url = location.protocol + "//" + location.hostname + location.pathname.substr(0, location.pathname.lastIndexOf("/")) + "/board.html"; }
</script>
<script type="text/javascript">
// CUSTOMIZATION INSTRUCTIONS
// if you customize the board-generator.html file for your site
// you probably want to customize the default values
pgnText_default = templatePgnHeader + '\n';
encodePgn_default = "t";
autoplayMode_default = "game";
delay_default = 3000;
initialGame_default = "first";
initialHalfmove_default = initialHalfmoveSelect_default = "start"; initialHalfmoveNumber_default = "0";
pieceFont_default = "default";
pieceSize_default = "default";
squareSize_default = 40;
lightColorHex_default = "EFF4EC";
darkColorHex_default = "C6CEC3";
boardBorderColorHex_default = "000000";
boardShadowColorHex_default = "transparent";
highlightMode_default = "square";
highlightColorHex_default = "DAF4D7";
buttonsDisplay_default = "hidden";
controlBackgroundColorHex_default = "EFF4EC";
controlTextColorHex_default = "000000";
textMargin_default = 0;
headerDisplay_default = "justified";
movesDisplay_default = "justified";
horizontalLayout_default = "f";
frameHeight_default = "";
frameWidth_default = "";
framePadding_default = 0;
commentsDisplay_default = "inline";
fontHeaderColorHex_default = "000000";
fontMovesColorHex_default = "000000";
fontCommentsColorHex_default = "808080";
highlightMoveColorHex_default = "DAF4D7";
fontHeaderSize_default = "100%";
fontMovesSize_default = "100%";
fontCommentsSize_default = "moves";
backgroundColorHex_default = "FFFFFF";
previewBackgroundColorHex_default = "DDDDDD";
boardUrl_default = pgn4web_board_url;
useTextarea_default = "f";
// max length of the iframeUrl, if this is exceeded a warning is issued
iframeUrl_max = 2000;
function gup( name ){
name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
var regexS = "[\\?&]"+name+"=([^&#]*)";
regexS = regexS+"(?!.*"+regexS+")"; // matches the LAST occurrence
var regex = new RegExp( regexS, "i" );
var results = regex.exec( window.location.href );
if( results !== null ) { return decodeURIComponent(results[1]); }
// allows for short version of the URL parameters, for instance sC matches squareColor
compact_name = name.charAt(0);
for(i=1; i<name.length; i++){
if (name.charAt(i).match(/[A-Z]/)) { compact_name = compact_name + name.charAt(i).toLowerCase(); }
}
name = compact_name;
name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
regexS = "[\\?&]"+name+"=([^&#]*)";
regexS = regexS+"(?!.*"+regexS+")"; // matches the LAST occurrence
regex = new RegExp( regexS, "i" );
results = regex.exec( window.location.href );
if( results !== null ) { return decodeURIComponent(results[1]); }
return "";
}
newStyleSheet = '<style type="text/css"> \n';
newStyleSheet += '.extendedOption { display: ';
if ((gup("extendedOptions") == "true") || (gup("extendedOptions") == "t")) {
newStyleSheet += 'inline';
} else {
newStyleSheet += 'none';
}
newStyleSheet += '; } \n';
newStyleSheet += '</style> \n';
document.write(newStyleSheet);
function new_onLoad() {
jscolor.bind(); // needed to cope with IE bug
set_defaults();
}
function set_defaults() {
load_templates();
document.getElementById('templatesList').options[1].value = location.search.replace(/&(pe|pt)=.*(&|$)/,"");
document.getElementById('html_code').value = '';
document.getElementById('html_code_status').innerHTML = ' ';
if ((pgnTextEncoded = gup("pgnEncoded")) !== "") {
pgnText_value = DecodePGN(pgnTextEncoded);
previousPgnTextToEncode = pgnText_value;
} else {
if ((pgnText_value = gup("pgnText")) === "") { pgnText_value = pgnText_default; }
previousPgnTextToEncode = "";
}
document.getElementById('pgnText').value = pgnText_value;
update_pgnTextLength();
if ((encodePgn_value = gup("encodePgn")) === "") { encodePgn_value = encodePgn_default; }
document.board.encodePgn.checked = (encodePgn_value == "t");
oldAutoplayMode_value = "";
//kept for backward compatibility
if ((gup("loop") == "true") || (gup("loop") == "t")) { oldAutoplayMode_value = "loop"; }
//kept for backward compatibility
if ((gup("auto") == "false") || (gup("loop") == "f")) { oldAutoplayMode_value = "none"; }
if ((autoplayMode_value = gup("autoplayMode")) === "") {
autoplayMode_value = oldAutoplayMode_value === "" ? autoplayMode_default : oldAutoplayMode_value;
}
if (autoplayMode_value == "g") { autoplayMode_value = "game"; }
if (autoplayMode_value == "l") { autoplayMode_value = "loop"; }
if (autoplayMode_value == "n") { autoplayMode_value = "none"; }
document.board.autoplayMode.value = autoplayMode_value;
if (!((autoplayMode_value == "game") || (autoplayMode_value == "loop") ||
(autoplayMode_value == "none")) ) {
alert("error: autoplay mode must be either 'game', 'loop', 'none' or their initials");
document.board.autoplayMode.value = autoplayMode_value = autoplayMode_default;
}
if ((delay_value = gup("delay")) === "") { delay_value = delay_default; }
document.board.delay.value = delay_value;
if ((initialGame_value = gup("initialGame")) === "") { initialGame_value = initialGame_default; }
if ((initialGame_value == "f") || (initialGame_value == "false")) { initialGame_value = "first"; }
if (initialGame_value == "l") { initialGame_value = "last"; }
if (initialGame_value == "r") { initialGame_value = "random"; }
document.board.initialGame.value = initialGame_value;
if (!((initialGame_value == "first") || (initialGame_value == "last") ||
(initialGame_value == "random")) ) {
alert("error: initial game must be either 'first', 'last', 'random' or their initials");
document.board.initialGame.value = initialGame_value = initialGame_default;
}
if ((initialHalfmove_value = gup("initialHalfmove")) === "") { initialHalfmove_value = initialHalfmove_default; }
if (initialHalfmove_value == "s") { initialHalfmove_value = "start"; }
if (initialHalfmove_value == "e") { initialHalfmove_value = "end"; }
if (initialHalfmove_value == "r") { initialHalfmove_value = "random"; }
if (initialHalfmove_value == "c") { initialHalfmove_value = "comment"; }
document.board.initialHalfmove.value = initialHalfmove_value;
checkInitialHalfmove();
if ((pieceFont_value = gup("pieceFont")) === "") { pieceFont_value = pieceFont_default; }
if (pieceFont_value == "a") { pieceFont_value = "alpha"; }
if (pieceFont_value == "m") { pieceFont_value = "merida"; }
if (pieceFont_value == "u") { pieceFont_value = "uscf"; }
if (pieceFont_value == "r") { pieceFont_value = "random"; }
if (pieceFont_value == "d") { pieceFont_value = "default"; }
document.board.pieceFont.value = pieceFont_value;
if (!((pieceFont_value == "alpha") || (pieceFont_value == "merida") ||
(pieceFont_value == "uscf") || (pieceFont_value == "random") ||
(pieceFont_value == "default")) ) {
alert("error: piece font must be either 'alpha', 'merida', 'uscf', 'random', 'default' or their initials");
document.board.pieceFont.value = pieceFont_value = pieceFont_default;
}
if ((squareSize_value = gup("squareSize")) === "") { squareSize_value = squareSize_default; }
document.getElementById('squareSize').value = squareSize_value = parseInt(squareSize_value, 10);
// value validation done later in validate_ss_ps_hm();
if ((pieceSize_value = gup("pieceSize")) === "") { pieceSize_value = pieceSize_default; }
if (pieceSize_value == "d") { pieceSize_value = "default"; }
if (pieceSize_value == "default") {
document.getElementById('pieceSize').value = pieceSize_value;
} else {
document.getElementById('pieceSize').value = pieceSize_value = parseInt(pieceSize_value, 10);
}
// value validation done later in validate_ss_ps_hm();
if ((lightColorHex_value = gup("lightColorHex")) === "") {
if ((lightColorHex_value = sex2hex(gup("lightColorSex"), 'light squares color')) === "") {
lightColorHex_value = lightColorHex_default;
}
}
document.board.lightColorHex.color.fromString(lightColorHex_value);
validate_color(document.board.lightColorHex, 'light squares color', lightColorHex_default);
if ((darkColorHex_value = gup("darkColorHex")) === "") {
if ((darkColorHex_value = sex2hex(gup("darkColorSex"), 'dark squares color')) === "") {
darkColorHex_value = darkColorHex_default;
}
}
document.board.darkColorHex.color.fromString(darkColorHex_value);
validate_color(document.board.darkColorHex, 'dark squares color', darkColorHex_default);
if ((boardBorderColorHex_value = gup("boardBorderColorHex")) === "") {
if ((boardBorderColorHex_value = sex2hex(gup("boardBorderColorSex"), 'board border color')) === "") {
boardBorderColorHex_value = boardBorderColorHex_default;
}
}
document.board.boardBorderColorHex.color.fromString(boardBorderColorHex_value);
validate_color(document.board.boardBorderColorHex, 'board border color', boardBorderColorHex_default);
if ((highlightMode_value = gup("highlightMode")) === "") { highlightMode_value = highlightMode_default; }
if (highlightMode_value == "b") { highlightMode_value = "border"; }
if (highlightMode_value == "n") { highlightMode_value = "none"; }
if (highlightMode_value == "s") { highlightMode_value = "square"; }
document.board.highlightMode.value = highlightMode_value;
if (!((highlightMode_value == "border") || (highlightMode_value == "none") ||
(highlightMode_value == "square")) ) {
alert("error: highlight mode must be either 'border', 'square', 'none' or their initials");
document.board.highlightMode.value = highlightMode_value = highlightMode_default;
}
validate_ss_ps_hm();
if ((highlightColorHex_value = gup("highlightColorHex")) === "") {
if ((highlightColorHex_value = sex2hex(gup("highlightColorSex"), 'highlight squares color')) === "") {
highlightColorHex_value = highlightColorHex_default;
}
}
if (highlightColorHex_value == 'n') { highlightColorHex_value = 'none'; }
if (highlightColorHex_value == 'none') {
document.board.highlightMode.value = highlightMode_value = "none";
highlightColorHex_value = highlightColorHex_default;
}
document.board.highlightColorHex.color.fromString(highlightColorHex_value);
validate_color(document.board.highlightColorHex, 'highlight squares color', highlightColorHex_default);
oldButtonsDisplay_value = "";
//kept for backward compatibility
if (gup("showButtons") == "t") { oldButtonsDisplay_value = "custom"; }
//kept for backward compatibility
if (gup("showButtons") == "f") { oldButtonsDisplay_value = "hidden"; }
if ((buttonsDisplay_value = gup("buttonsDisplay")) === "") {
buttonsDisplay_value = oldButtonsDisplay_value === "" ? buttonsDisplay_default : oldButtonsDisplay_value;
}
if (buttonsDisplay_value == "c") { buttonsDisplay_value = "custom"; }
if (buttonsDisplay_value == "h") { buttonsDisplay_value = "hidden"; }
if (buttonsDisplay_value == "s") { buttonsDisplay_value = "standard"; }
document.board.buttonsDisplay.value = buttonsDisplay_value;
if (!((buttonsDisplay_value == "custom") || (buttonsDisplay_value == "hidden") ||
(buttonsDisplay_value == "standard")) ) {
alert("error: buttons display must be either 'custom', 'hidden', 'standard' or their initials");
document.board.buttonsDisplay.value = buttonsDisplay_value = buttonsDisplay_default;
}
if ((controlBackgroundColorHex_value = gup("controlBackgroundColorHex")) === "") {
controlBackgroundColorSex = gup("controlBackgroundColorSex");
if ((controlBackgroundColorHex_value = sex2hex(controlBackgroundColorSex, 'control buttons background color')) === "") {
controlBackgroundColorHex_value = controlBackgroundColorHex_default;
}
}
if (controlBackgroundColorHex_value == 'd') { controlBackgroundColorHex_value = 'default'; }
if (controlBackgroundColorHex_value == 'default') {
document.board.buttonsDisplay.value = buttonsDisplay_value = "standard";
controlBackgroundColorHex_value = controlBackgroundColorHex_default;
}
document.board.controlBackgroundColorHex.color.fromString(controlBackgroundColorHex_value);
validate_color(document.board.controlBackgroundColorHex, 'control buttons background color', 'default');
if ((controlTextColorHex_value = gup("controlTextColorHex")) === "") {
if ((controlTextColorHex_value = sex2hex(gup("controlTextColorSex"), 'control buttons text color')) === "") {
controlTextColorHex_value = controlTextColorHex_default;
}
}
document.board.controlTextColorHex.color.fromString(controlTextColorHex_value);
validate_color(document.board.controlTextColorHex, 'control buttons text color', controlTextColorHex_default);
if ((textMargin_value = gup("textMargin")) === "") { textMargin_value = textMargin_default; }
document.getElementById('textMargin').value = textMargin_value;
validate_number(document.getElementById('textMargin'), 'text margin', textMargin_default);
oldHeaderDisplay_value = "";
//kept for backward compatibility
if (gup("showHeader") == "t") { oldHeaderDisplay_value = "justified"; }
//kept for backward compatibility
if (gup("showHeader") == "f") { oldHeaderDisplay_value = "hidden"; }
if ((headerDisplay_value = gup("headerDisplay")) === "") {
headerDisplay_value = oldHeaderDisplay_value === "" ? headerDisplay_default : oldHeaderDisplay_value;
}
if (headerDisplay_value == "c") { headerDisplay_value = "centered"; }
if (headerDisplay_value == "h") { headerDisplay_value = "hidden"; }
if (headerDisplay_value == "j") { headerDisplay_value = "justified"; }
document.board.headerDisplay.value = headerDisplay_value;
if (!((headerDisplay_value == "centered") || (headerDisplay_value == "hidden") ||
(headerDisplay_value == "justified")) ) {
alert("error: header display must be either 'centered', 'hidden', 'justified' or their initials");
document.board.headerDisplay.value = headerDisplay_value = headerDisplay_default;
}
oldMovesDisplay_value = "";
//kept for backward compatibility
if (gup("showMoves") === "t") { oldMovesDisplay_value = "justified"; }
//kept for backward compatibility
if (gup("showMoves") === "f") { oldMovesDisplay_value = "hidden"; }
if ((movesDisplay_value = gup("movesDisplay")) === "") {
movesDisplay_value = oldMovesDisplay_value === "" ? movesDisplay_default : oldMovesDisplay_value;
}
if (movesDisplay_value == "h") { movesDisplay_value = "hidden"; }
if (movesDisplay_value == "j") { movesDisplay_value = "justified"; }
document.board.movesDisplay.value = movesDisplay_value;
if (!((movesDisplay_value == "hidden") || (movesDisplay_value == "justified")) ) {
alert("error: moves display must be either 'hidden', 'justified' or their initials");
document.board.movesDisplay.value = movesDisplay_value = movesDisplay_default;
}
oldCommentsDisplay_value = "";
//kept for backward compatibility
if (gup("showCommentsOnSeparateLines") === "t") { oldCommentsDisplay_value = "newline"; }
//kept for backward compatibility
if (gup("showComments") === "f") { oldCommentsDisplay_value = "hidden"; }
if ((commentsDisplay_value = gup("commentsDisplay")) === "") {
commentsDisplay_value = oldCommentsDisplay_value === "" ? commentsDisplay_default : oldCommentsDisplay_value;
}
if (commentsDisplay_value == "h") { commentsDisplay_value = "hidden"; }
if (commentsDisplay_value == "i") { commentsDisplay_value = "inline"; }
if (commentsDisplay_value == "n") { commentsDisplay_value = "newline"; }
document.board.commentsDisplay.value = commentsDisplay_value;
if (!((commentsDisplay_value == "hidden") || (commentsDisplay_value == "inline") ||
(commentsDisplay_value == "newline")) ) {
alert("error: comment display must be either 'hidden', 'inline', 'newline' or their initials");
document.board.commentsDisplay.value = commentsDisplay_value = commentsDisplay_default;
}
if ((fontHeaderColorHex_value = gup("fontHeaderColorHex")) === "") {
if ((fontHeaderColorHex_value = sex2hex(gup("fontHeaderColorSex"), 'header font color')) === "") {
fontHeaderColorHex_value = fontHeaderColorHex_default;
}
}
document.board.fontHeaderColorHex.color.fromString(fontHeaderColorHex_value);
validate_color(document.board.fontHeaderColorHex, 'header font color', fontHeaderColorHex_default);
if ((fontMovesColorHex_value = gup("fontMovesColorHex")) === "") {
if ((fontMovesColorHex_value = sex2hex(gup("fontMovesColorSex"), 'moves font color')) === "") {
fontMovesColorHex_value = fontMovesColorHex_default;
}
}
document.board.fontMovesColorHex.color.fromString(fontMovesColorHex_value);
validate_color(document.board.fontMovesColorHex, 'moves font color', fontMovesColorHex_default);
if ((fontCommentsColorHex_value = gup("fontCommentsColorHex")) === "") {
if ((fontCommentsColorHex_value = sex2hex(gup("fontCommentsColorSex"), 'comments font color')) === "") {
fontCommentsColorHex_value = fontCommentsColorHex_default;
}
}
document.board.fontCommentsColorHex.color.fromString(fontCommentsColorHex_value);
validate_color(document.board.fontCommentsColorHex, 'comments font color', fontCommentsColorHex_default);
if ((highlightMoveColorHex_value = gup("highlightMoveColorHex")) === "") {
highlightMoveColorSex = gup("highlightMoveColorSex");
if ((highlightMoveColorSex == "background") || (highlightMoveColorSex == "b")) {
highlightMoveColorHex_value = "background";
} else {
if ((highlightMoveColorHex_value = sex2hex(highlightMoveColorSex, 'move highlight color')) === "") {
highlightMoveColorHex_value = highlightMoveColorHex_default;
}
}
}
if (highlightMoveColorHex_value == "b") { highlightMoveColorHex_value = "background"; }
if (highlightMoveColorHex_value == "background") {
document.board.highlightMoveColorHex.value = highlightMoveColorHex_value;
} else {
document.board.highlightMoveColorHex.color.fromString(highlightMoveColorHex_value);
validate_color(document.board.highlightMoveColorHex, 'move highlight color', highlightMoveColorHex_default);
}
if ((fontHeaderSize_value = percentFixFromUrl( gup("fontHeaderSize") )) === "") { fontHeaderSize_value = fontHeaderSize_default; }
document.board.fontHeaderSize.value = fontHeaderSize_value;
validate_number_percentage(document.board.fontHeaderSize, 'header font size', fontHeaderSize_default);
if ((fontMovesSize_value = percentFixFromUrl( gup("fontMovesSize") )) === "") { fontMovesSize_value = fontMovesSize_default; }
document.board.fontMovesSize.value = fontMovesSize_value;
validate_number_percentage(document.board.fontMovesSize, 'moves font size', fontMovesSize_default);
if ((fontCommentsSize_value = percentFixFromUrl( gup("fontCommentsSize") )) === "") { fontCommentsSize_value = fontCommentsSize_default; }
if (fontCommentsSize_value == "m") { fontCommentsSize_value = "moves"; }
document.board.fontCommentsSize.value = fontCommentsSize_value;
validate_fontCommentsSize();
if ((backgroundColorHex_value = gup("backgroundColorHex")) === "") {
backgroundColorSex = gup("backgroundColorSex");
if ((backgroundColorSex == "transparent") || (backgroundColorSex == "t")) {
backgroundColorHex_value = "transparent";
} else {
if ((backgroundColorHex_value = sex2hex(backgroundColorSex, 'background color')) === "") {
backgroundColorHex_value = backgroundColorHex_default;
}
}
}
if (backgroundColorHex_value == "t") {
backgroundColorHex_value = "transparent";
}
if (backgroundColorHex_value == "transparent") {
document.board.backgroundColorHex.value = backgroundColorHex_value;
} else {
document.board.backgroundColorHex.color.fromString(backgroundColorHex_value);
validate_color(document.board.backgroundColorHex, 'background color', backgroundColorHex_default);
}
if ((boardShadowColorHex_value = gup("boardShadowColorHex")) === "") {
boardShadowColorSex = gup("boardShadowColorSex");
if ((boardShadowColorSex == "transparent") || (boardShadowColorSex == "t")) {
boardShadowColorHex_value = "transparent";
} else if ((boardShadowColorSex == "border") || (boardShadowColorSex == "b")) {
boardShadowColorHex_value = "border";
} else {
if ((boardShadowColorHex_value = sex2hex(boardShadowColorSex, 'board shadow color')) === "") {
boardShadowColorHex_value = boardShadowColorHex_default;
}
}
}
if (boardShadowColorHex_value == "t") {
boardShadowColorHex_value = "transparent";
}
if (boardShadowColorHex_value == "b") {
boardShadowColorHex_value = "border";
}
if ((boardShadowColorHex_value == "transparent") || (boardShadowColorHex_value == "border")) {
document.board.boardShadowColorHex.value = boardShadowColorHex_value;
} else {
document.board.boardShadowColorHex.color.fromString(boardShadowColorHex_value);
}
if ((horizontalLayout_value = gup("horizontalLayout")) === "") { horizontalLayout_value = horizontalLayout_default; }
document.board.horizontalLayout.value = horizontalLayout_value == "t" ? "t" : "f";
if ((frameHeight_value = gup("frameHeight")) === "") { frameHeight_value = frameHeight_default; }
if (frameHeight_value == "b") { frameHeight_value = "board"; }
document.board.frameHeight.value = frameHeight_value;
validate_frameHeight();
if ((frameWidth_value = gup("frameWidth")) === "") { frameWidth_value = frameWidth_default; }
if (frameWidth_value == "p") { frameWidth_value = "page"; }
if (frameWidth_value == "b") { frameWidth_value = "board"; }
document.board.frameWidth.value = frameWidth_value;
validate_frameWidth();
if ((framePadding_value = gup("framePadding")) === "") { framePadding_value = framePadding_default; }
document.board.framePadding.value = framePadding_value;
validate_number(document.board.framePadding, 'frame padding', framePadding_default);
if ((previewBackgroundColorHex_value = gup("previewBackgroundColorHex")) === "") {
if ((previewBackgroundColorHex_value = sex2hex(gup("previewBackgroundColorSex"), 'preview background color')) === "") {
previewBackgroundColorHex_value = previewBackgroundColorHex_default;
}
}
document.board.previewBackgroundColorHex.color.fromString(previewBackgroundColorHex_value);
validate_color(document.board.previewBackgroundColorHex, 'preview background color', previewBackgroundColorHex_default);
if ((boardUrl_value = gup("boardUrl")) === "") { boardUrl_value = boardUrl_default; }
document.board.boardUrl.value = boardUrl_value;
if ((useTextarea_value = gup("useTextarea")) === "") { useTextarea_value = useTextarea_default; }
document.board.useTextarea.checked = (useTextarea_value == "t");
generate_html_code();
update_controls();
}
function reset_form() {
if (confirm("do you really want to reset the board generator to the default values?\nAll your settings including the PGN text might be lost!")) { set_defaults(); }
}
function update_controls() {
update_disabled_controls();
update_suggested_iframe_dimensions();
}
function update_disabled_controls() {
document.board.highlightColorHex.disabled = (document.board.highlightMode.value == 'none');
document.board.controlBackgroundColorHex.disabled = (document.board.buttonsDisplay.value != 'custom');
document.board.controlTextColorHex.disabled = ((document.board.buttonsDisplay.value != 'custom') ||
(document.board.controlBackgroundColorHex.value == 'default'));
document.board.textMargin.disabled = ((document.board.movesDisplay.value == 'hidden') &&
(document.board.headerDisplay.value == 'hidden'));
document.board.commentsDisplay.disabled = (document.board.movesDisplay.value == 'hidden');
document.board.fontHeaderColorHex.disabled = (document.board.headerDisplay.value == 'hidden');
document.board.fontMovesColorHex.disabled = (document.board.movesDisplay.value == 'hidden');
document.board.fontCommentsColorHex.disabled = (document.board.movesDisplay.value == 'hidden');
document.board.highlightMoveColorHex.disabled = (document.board.movesDisplay.value == 'hidden');
document.board.fontHeaderSize.disabled = (document.board.headerDisplay.value == 'hidden');
document.board.fontMovesSize.disabled = (document.board.movesDisplay.value == 'hidden');
document.board.fontCommentsSize.disabled = (document.board.movesDisplay.value == 'hidden');
}
function update_suggested_iframe_dimensions() {
boardWidth = 8 * document.board.squareSize.value + 6;
estimated_boardHeight = boardWidth;
multiGamesRegexp = /\s*\[\s*\w+\s*"[^"]*"\s*\]\s*[^\s\[\]]+[\s\S]*\[\s*\w+\s*"[^"]*"\s*\]\s*/m;
selectDropdownShown = multiGamesRegexp.test(pgnTextFixFromInput(document.getElementById('pgnText').value));
if (document.board.buttonsDisplay.value != 'hidden') {
if (document.board.buttonsDisplay.value == "standard") {
// in this case control padding grows with squareSize
// while the size of the controls cant be predicted, so a safe number is set
estimated_boardHeight += selectDropdownShown ?
2 * (25 + parseInt(document.board.squareSize.value, 10) / 2) :
25 + parseInt(document.board.squareSize.value, 10) / 2;
} else {
// in this case both control size and control padding grow with squareSize
estimated_boardHeight += selectDropdownShown ?
2 * (5 + 1.1 * parseInt(document.board.squareSize.value, 10)) :
5 + 1.1 * parseInt(document.board.squareSize.value, 10);
}
}
estimated_boardHeight = Math.floor(estimated_boardHeight);
min_frameWidth = boardWidth + 2 * parseInt(document.board.framePadding.value, 10);
min_frameHeight = estimated_boardHeight + 2 * parseInt(document.board.framePadding.value, 10);
if (document.board.horizontalLayout.value == "t") {
suggested_frameHeight = "board";
suggested_frameWidth = "page";
document.getElementById('frameHeight_helpText').innerHTML = "a number or <a class='helplink' style='font-weight: bold;' href='' onClick='javascript:document.board.frameHeight.value = \"board\"; return false;'>board</a>; min " + min_frameHeight + "; when <a class='helplink' href='' onClick='javascript:document.board.frameHeight.value = \"\"; return false;'>blank</a>, assigned to " + suggested_frameHeight;
document.getElementById('frameWidth_helpText').innerHTML = "a number or <a class='helplink' style='font-weight: bold;' href='' onClick='javascript:document.board.frameWidth.value = \"page\"; return false;'>page</a>; min " + min_frameWidth + "; when <a class='helplink' href='' onClick='javascript:document.board.frameWidth.value = \"\"; return false;'>blank</a>, assigned to " + suggested_frameWidth + "; board width is " + boardWidth;
} else {
suggested_frameWidth = boardWidth;
suggested_frameHeight = estimated_boardHeight;
if (document.board.headerDisplay.value != 'hidden') {
suggested_frameHeight += Math.max(100, Math.round(0.2 * boardWidth));
}
if (document.board.movesDisplay.value != 'hidden') {
suggested_frameHeight += Math.max(300, Math.round(0.8 * boardWidth));
}
if ((document.board.headerDisplay.value != 'hidden') || (document.board.movesDisplay.value != 'hidden')) {
suggested_frameWidth = Math.max(400, Math.round(1.5 * boardWidth));
}
suggested_frameWidth += 2 * parseInt(document.board.framePadding.value, 10);
suggested_frameHeight += 2 * parseInt(document.board.framePadding.value, 10);
document.getElementById('frameHeight_helpText').innerHTML = "a number; min " + min_frameHeight + "; when <a class='helplink' href='' onClick='javascript:document.board.frameHeight.value = \"\"; return false;'>blank</a>, assigned to " + suggested_frameHeight;
document.getElementById('frameWidth_helpText').innerHTML = "a number or <a class='helplink' style='font-weight: bold;' href='' onClick='javascript:document.board.frameWidth.value = \"board\"; return false;'>board</a> or <a class='helplink' style='font-weight: bold;' href='' onClick='javascript:document.board.frameWidth.value = \"page\"; return false;'>page</a>; min " + min_frameWidth + "; when <a class='helplink' href='' onClick='javascript:document.board.frameWidth.value = \"\"; return false;'>blank</a>, assigned to " + suggested_frameWidth + "; board width is " + boardWidth;
}
if (theObject = document.getElementById('frameWidth')) {
if (theObject.value !== ""){
if (!theObject.value.match('/^[^0-9]$/')) {
if (theObject.value < min_frameWidth) {
alert('error: iFrame width too small');
theObject.value = "";
}
} else { alert('error: invalid iFrame width value'); }
}
}
if (theObject = document.getElementById('frameHeight')) {
if (theObject.value !== "") {
if (!theObject.value.match('/^[^0-9]$/')) {
if (theObject.value < min_frameHeight) {
alert('error: iFrame height too small');
theObject.value = "";
}
} else { alert('error: invalid iFrame height value'); }
}
}
}
function update_pgnTextLength() {
document.getElementById('pgnTextLength').innerHTML = " " + document.getElementById('pgnText').value.replace(/\r\n/g,'\n').length + "p";
}
function calculate_html_code() {
// this must be the firts item
boardUrl_value = document.board.boardUrl.value;
iframeUrl = boardUrl_value + "?";
autoplayMode_value = document.board.autoplayMode.value;
delay_value = parseInt(document.board.delay.value, 10);
iframeUrl += "&am=" + autoplayMode_value.charAt(0) + "&d=" + delay_value;
initialGame_value = document.board.initialGame.value;
if (initialGame_value != "first") { iframeUrl += "&ig=" + initialGame_value.charAt(0); }
initialHalfmove_value = document.board.initialHalfmove.value;
if (initialHalfmove_value != "start") {
iframeUrl += "&ih=" + (isNaN(parseInt(initialHalfmove_value, 10)) ?
initialHalfmove_value.charAt(0) :
initialHalfmove_value);
}
pieceFont_value = document.board.pieceFont.value;
squareSize_value = parseInt(document.board.squareSize.value, 10);
if (document.board.pieceSize.value == "default") {
pieceSize_value = document.board.pieceSize.value;
iframeUrl += "&ss=" + squareSize_value + "&ps=" + pieceSize_value.charAt(0) + "&pf=" + pieceFont_value.charAt(0);
} else {
pieceSize_value = parseInt(document.board.pieceSize.value, 10);
if (pieceSize_value > squareSize_value) { alert("error: the piece size (" + pieceSize_value + ") can not be bigger than the square size (" + squareSize_value + ")"); }
iframeUrl += "&ss=" + squareSize_value + "&ps=" + pieceSize_value + "&pf=" + pieceFont_value.charAt(0);
}
lightColorHex_value = document.board.lightColorHex.value;
iframeUrl += "&lcs=" + hex2sex(lightColorHex_value);
darkColorHex_value = document.board.darkColorHex.value;
iframeUrl += "&dcs=" + hex2sex(darkColorHex_value);
boardBorderColorHex_value = document.board.boardBorderColorHex.value;
iframeUrl += "&bbcs=" + hex2sex(boardBorderColorHex_value);
boardShadowColorHex_value = document.board.boardShadowColorHex.value;
if (boardShadowColorHex_value != "transparent") {
if (boardShadowColorHex_value == "border") { iframeUrl += "&bscs=b"; }
else { iframeUrl += "&bscs=" + hex2sex(boardShadowColorHex_value); }
}
highlightMode_value = document.board.highlightMode.value;
iframeUrl += "&hm=" + highlightMode_value.charAt(0);
highlightColorHex_value = document.board.highlightColorHex.value;
iframeUrl += "&hcs=" + hex2sex(highlightColorHex_value);
buttonsDisplay_value = document.board.buttonsDisplay.value;
iframeUrl += "&bd=" + buttonsDisplay_value.charAt(0);
if ((document.board.buttonsDisplay.value != "hidden") && (document.board.controlBackgroundColorHex.value != "default")) {
controlBackgroundColorHex_value = document.board.controlBackgroundColorHex.value;
iframeUrl += "&cbcs=" + hex2sex(controlBackgroundColorHex_value);
controlTextColorHex_value = document.board.controlTextColorHex.value;
iframeUrl += "&ctcs=" + hex2sex(controlTextColorHex_value);
}
headerDisplay_value = document.board.headerDisplay.value;
iframeUrl += "&hd=" + headerDisplay_value.charAt(0);
movesDisplay_value = document.board.movesDisplay.value;
iframeUrl += "&md=" + movesDisplay_value.charAt(0);
if ((document.board.headerDisplay.value != "hidden") || (document.board.movesDisplay.value != "hidden")) {
textMargin_value = parseInt(document.board.textMargin.value, 10);
iframeUrl += "&tm=" + textMargin_value;
}
if (document.board.headerDisplay.value != "hidden") {
fontHeaderColorHex_value = document.board.fontHeaderColorHex.value;
iframeUrl += "&fhcs=" + hex2sex(fontHeaderColorHex_value);
fontHeaderSize_value = document.board.fontHeaderSize.value;
iframeUrl += "&fhs=" + percentFixForUrl( fontHeaderSize_value );
}
if (document.board.movesDisplay.value != "hidden") {
fontMovesColorHex_value = document.board.fontMovesColorHex.value;
iframeUrl += "&fmcs=" + hex2sex(fontMovesColorHex_value);
fontCommentsColorHex_value = document.board.fontCommentsColorHex.value;
iframeUrl += "&fccs=" + hex2sex(fontCommentsColorHex_value);
highlightMoveColorHex_value = document.board.highlightMoveColorHex.value;
if (highlightMoveColorHex_value == "background" ) { iframeUrl += "&hmcs=b"; }
else { iframeUrl += "&hmcs=" + hex2sex(highlightMoveColorHex_value); }
fontMovesSize_value = document.board.fontMovesSize.value;
iframeUrl += "&fms=" + percentFixForUrl( fontMovesSize_value );
fontCommentsSize_value = document.board.fontCommentsSize.value;
if (fontCommentsSize_value == "moves") { iframeUrl += "&fcs=m"; }
else { iframeUrl += "&fcs=" + percentFixForUrl( fontCommentsSize_value ); }
commentsDisplay_value = document.board.commentsDisplay.value;
iframeUrl += "&cd=" + commentsDisplay_value.charAt(0);
}
backgroundColorHex_value = document.board.backgroundColorHex.value;
if (backgroundColorHex_value == "transparent") {
iframeUrl += "&bcs=" + backgroundColorHex_value.charAt(0);
} else {
iframeUrl += "&bcs=" + hex2sex(backgroundColorHex_value);
}
// this does not go in the iframe
previewBackgroundColorHex_value = document.board.previewBackgroundColorHex.value;
framePadding_value = parseInt(document.board.framePadding.value, 10);
iframeUrl += "&fp=" + framePadding_value;
horizontalLayout_value = document.board.horizontalLayout.value;
iframeUrl += "&hl=" + horizontalLayout_value;
update_suggested_iframe_dimensions();
if ((frameHeight_value = document.board.frameHeight.value) === "") { frameHeight_value = suggested_frameHeight; }
if ((frameWidth_value = document.board.frameWidth.value) === "") { frameWidth_value = suggested_frameWidth; }
if (frameHeight_value == "board") {
iframeUrl += "&fh=" + frameHeight_value.charAt(0);
} else {
iframeUrl += "&fh=" + frameHeight_value;
}
if ((frameWidth_value == "page") || (frameWidth_value == "board")) {
iframeUrl += "&fw=" + frameWidth_value.charAt(0);
} else {
iframeUrl += "&fw=" + frameWidth_value;
}
pgnText_value = pgnTextFixFromInput(document.getElementById('pgnText').value);
if (document.board.useTextarea.checked) {
pgnId = "pgn4web_" + printHex(crc32(pgnText_value));
iframeUrl += "&pi=" + pgnId;
} else {
if ((document.board.encodePgn.checked) && (pgnText_value != previousPgnTextToEncode)) {
previousPgnTextToEncode = pgnText_value;
pgnTextEncoded = EncodePGN(pgnText_value.replace(/\r\n/g,'\n'));
}
if (document.board.encodePgn.checked) { iframeUrl += "&pe=" + pgnTextEncoded; }
else { iframeUrl += "&pt=" + pgnTextFixForUrl(pgnText_value.replace(/\r\n/g,'\n')); }
}
// every parameter had an &xxx= format,now we need to remove the first &
iframeUrl = iframeUrl.replace(/\?&/,"?");
}
function pgnTextFixFromInput( text ) {
text = fixCommonPgnMistakes(text);
if (!document.board.useTextarea.checked) {
text = text.replace(/[\u0100-\uFFFF]/g,"*"); // replace all chars with code greather than 255 with *
}
return text;
}
function pgnTextFixForUrl( text ) {
// escaped lines starting with % are removed till end of line
text = text.replace(/^%.*$/mg,"");
// we need everything on a single line, please note this breaks the ";" comment detection leading to threat everything after a ";" as comment
text = text.replace(/\s/g," ");
// some chars dont work well in URLs
text = text.replace(/%/g,"%25");
text = text.replace(/#/g,"%23");
text = text.replace(/&/g,"%26");
text = text.replace(/\?/g,"%3F");
// the "'" char is used in the iframe statement
text = text.replace(/'/g,"%27");
return text;
}
function percentFixForUrl( text ) {
text += ''; // makes sure text is a string
return text.replace(/%$/,'p');
}
function percentFixFromUrl( text ) {
text += ''; // makes sure text is a string
return text.replace(/pct$/,'%').replace(/p$/,'%'); // 100pct and 100p both mean 100%
}
function generate_html_code() {
calculate_html_code();
switch (frameWidth_value) {
case "board":
outerFrameWidth = min_frameWidth;
break;
case "page":
outerFrameWidth = "100%";
break;
default:
outerFrameWidth = frameWidth_value;
break;
}
switch (frameHeight_value) {
case "board":
outerFrameHeight = min_frameHeight;
break;
default:
outerFrameHeight = frameHeight_value;
break;
}
html_code_string = "";
if (document.getElementById('useTextarea').checked) {
html_code_string += "<textarea id=" + pgnId + " style='display: none;'>\n\n" + pgnText_value + "\n\n</textarea>\n\n";
}
html_code_string += "<iframe height='" + outerFrameHeight + "' width='" + outerFrameWidth + "' frameborder='0' scrolling='no' marginheight='0' marginwidth='0'";
if (document.getElementById('backgroundColorHex').value == 'transparent') {
html_code_string += " allowtransparency='true'";
}
html_code_string += " src='" + iframeUrl + "'>your web browser and/or your host do not support iframes as required to display the chessboard</iframe>";
document.getElementById('html_code').value = html_code_string;
boardUrl_value = document.board.boardUrl.value;
thisBookmarkUrl = iframeUrl;
thisBookmarkUrl = thisBookmarkUrl.replace(boardUrl_value, pgn4web_generator_url);
thisBookmarkUrl = thisBookmarkUrl.replace(/&(pe|pt)=.*(&|$)/,"");
if (document.getElementById('encodePgn').checked) { encodePgn_value = "t"; }
else { encodePgn_value = "f"; }
if (encodePgn_value != encodePgn_default) { thisBookmarkUrl += "&ep=" + encodePgn_value; }
if (boardUrl_value != boardUrl_default) { thisBookmarkUrl += "&bu=" + boardUrl_value; }
if (document.getElementById('useTextarea').checked) { useTextarea_value = "t"; }
else { useTextarea_value = "f"; }
if (useTextarea_value != useTextarea_default) { thisBookmarkUrl += "&ut=" + useTextarea_value; }
previewBackgroundColorHex_value = document.board.previewBackgroundColorHex.value;
if (previewBackgroundColorHex_value != previewBackgroundColorHex_default) {
thisBookmarkUrl += "&pbcs=" + hex2sex(previewBackgroundColorHex_value);
}
if ((gup("extendedOptions") == "true") || (gup("extendedOptions") == "t")) {
thisBookmarkUrl += "&eo=t";
}
document.getElementById('thisConfigBookmark').href = thisBookmarkUrl;
thisBookmarkCrc32 = printHex(crc32(thisBookmarkUrl));
document.getElementById('thisConfigBookmark').title = "pgn4web board generator custom template link #" + thisBookmarkCrc32;
document.getElementById('bookmarkCrc32').innerHTML = "#" + thisBookmarkCrc32;
document.getElementById('preview').innerHTML = "<table border='0' bgcolor='#" + previewBackgroundColorHex_value + "' width='100%' cellpadding='25'><tr><td align='center' valign='middle'> " + html_code_string + "</td></tr></table>";
html_code_status_string = "<table width='100%' cellspacing='0' cellpadding='0'><tr><td align='left' valign='top'>";
if (iframeUrl.length <= iframeUrl_max) {
html_code_status_string += "<span class='helptext'>HTML code ready to cut and paste in your web page or blog</span>";
} else {
html_code_status_string += "<span class='helptext' style='color: red'>URL (" + iframeUrl.length + " chars) is longer than " + iframeUrl_max + " chars and might be rejected by some web browser/server, try shortening your PGN data</span>";
}
html_code_status_string += "</td><td align=right valign=top>";
html_code_status_string += "<span class='helptext'> " + document.getElementById('pgnText').value.replace(/\r\n/g,'\n').length + "p";
if (document.board.encodePgn.checked) { html_code_status_string += " " + pgnTextEncoded.length + "e"; }
html_code_status_string += " " + iframeUrl.length + "u</span>";
html_code_status_string += "</td></tr></table>";
document.getElementById('html_code_status').innerHTML = html_code_status_string;
thisShortUrlCrc32 = printHex(crc32(iframeUrl));
document.getElementById('shorturl_url').value = iframeUrl;
document.getElementById('shorturl_alias').value = "pgn4web-" + thisShortUrlCrc32;
document.getElementById('shorturl_link').title = "pgn4web board short url #" + thisShortUrlCrc32;
if (firstLoad) { firstLoad = false; return; }
if (iframeUrl.length <= iframeUrl_max) { location.href='#game_preview'; return; }
location.href='#generate'; return;
}
function validate_color(object, name, def) {
if (object.value.match(/^[0-9A-Fa-f]{6}$/)) {
return true;
} else {
alert('error: the ' + name + ' must be a six digits hexadecimal color code, like FF0000');
object.color.fromString(def);
return false;
}
}
function validate_highlightMoveColorHex() {
object = document.getElementById('highlightMoveColorHex');
if (object.value == 'background') { return true; }
if (object.value.match(/^[0-9A-Fa-f]{6}$/)) {
return true;
} else {
alert('error: the move highlight color must be \'background\' or a six digits hexadecimal color code, like FF0000');
if (highlightMoveColorHex_default == 'background') { object.value = highlightMoveColorHex_default; }
else { object.color.fromString(highlightMoveColorHex_default); }
return false;
}
}
function validate_boardShadowColorHex() {
object = document.getElementById('boardShadowColorHex');
if (object.value == 'transparent') { return true; }
if (object.value == 'border') { return true; }
if (object.value.match(/^[0-9A-Fa-f]{6}$/)) {
return true;
} else {
alert('error: the board shadow color must be \'transparent\' or \'border\' or a six digits hexadecimal color code, like FF0000');
if ((boardShadowColorHex_default == 'transparent') || (boardShadowColorHex_default == 'border')) {
object.value = boardShadowColorHex_default;
} else { object.color.fromString(boardShadowColorHex_default); }
return false;
}
}
function validate_backgroundColorHex() {
object = document.getElementById('backgroundColorHex');
if (object.value == 'transparent') { return true; }
if (object.value.match(/^[0-9A-Fa-f]{6}$/)) {
return true;
} else {
alert('error: the move highlight color must be \'transparent\' or a six digits hexadecimal color code, like FF0000');
if (backgroundColorHex_default == 'transparent') { object.value = backgroundColorHex_default; }
else { object.color.fromString(backgroundColorHex_default); }
return false;
}
}
function validate_number(object, name, def) {
if (!(vv = object.value.match(/^([0-9]+)(px$|$)/))) {
alert('error: the ' + name + ' must be a non negative integer');
object.value = def;
return false;
} else {
object.value = vv[1];
return true;
}
}
function validate_number_blank(object, name, def) {
if (object.value === "") { return true; }
if (!(vv = object.value.match(/^([0-9]+)(px$|$)/))) {
alert('error: the ' + name + ' must be blank or a non negative integer');
object.value = def;
return false;
} else {
object.value = vv[1];
return true;
}
}
function validate_number_percentage(object, name, def) {
if (!(vv = object.value.match(/^([0-9]+)(%$|p$|pct$|px$|$)/))) {
alert('error: the ' + name + ' must be a non negative integer or percentage');
object.value = def;
return false;