forked from sent/waves
1 line
16 KiB
JavaScript
1 line
16 KiB
JavaScript
function Chessboard(a,b){"use strict";Chessboard.ANIMATION={fadeInTime:1e3,fadeOutTime:1e3},Chessboard.CSS_PREFIX="chess_",Chessboard.CSS={pathSeparator:"_",board:{id:Chessboard.CSS_PREFIX+"board",className:Chessboard.CSS_PREFIX+"board"},square:{className:Chessboard.CSS_PREFIX+"square",lastColumn:{className:Chessboard.CSS_PREFIX+"square_last_column"},idPrefix:Chessboard.CSS_PREFIX+"square",dark:{className:Chessboard.CSS_PREFIX+"square_dark"},light:{className:Chessboard.CSS_PREFIX+"square_light"},createClassName:function(a){return" "+((a+ChessUtils.convertIndexToRow(a))%2===0?Chessboard.CSS.square.dark.className:Chessboard.CSS.square.light.className)},selected:{className:Chessboard.CSS_PREFIX+"square_selected"},validMove:{className:Chessboard.CSS_PREFIX+"square_valid_move"}},player:{black:{className:Chessboard.CSS_PREFIX+"player_"+ChessUtils.PLAYER.black.className},white:{className:Chessboard.CSS_PREFIX+"player_"+ChessUtils.PLAYER.white.className},createClassName:function(a){return"white"===a?Chessboard.CSS.player.white.className:Chessboard.CSS.player.black.className}},piece:{idPrefix:Chessboard.CSS_PREFIX+"piece",className:Chessboard.CSS_PREFIX+"piece",createClassName:function(a){return Chessboard.CSS.piece.className+"_"+a},none:{className:Chessboard.CSS_PREFIX+"piece_none"}},label:{className:Chessboard.CSS_PREFIX+"label",hidden:{className:Chessboard.CSS_PREFIX+"label_hidden"},row:{className:Chessboard.CSS_PREFIX+"label_row",reversed:{className:Chessboard.CSS_PREFIX+"label_row_reversed"}},column:{className:Chessboard.CSS_PREFIX+"label_column",reversed:{className:Chessboard.CSS_PREFIX+"label_column_reversed"}}},style:{id:Chessboard.CSS_PREFIX+"style"}};var c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z=this,A=!1,B=ChessUtils.convertFenToPosition(ChessUtils.FEN.positions.empty),C=null,D=ChessUtils.ORIENTATION.white,E={useAnimation:!0,showBoardLabels:!0,showNextMove:!0},F={onMove:null,onPieceSelected:null,onChange:null,onChanged:null},G=!1,H=!0;this.clear=function(){G||(this.setPosition(ChessUtils.FEN.positions.empty),this.setOrientation(ChessUtils.ORIENTATION.white))},this.destroy=function(){$(x).html(""),g()},this.position=function(a,b){return 0===arguments.length||"undefined"==typeof a||"string"==typeof a&&a.toLowerCase()===ChessUtils.FEN.id||"string"==typeof a&&a.toLowerCase()===ChessUtils.NOTATION.id?this.getPosition(a):void this.setPosition(a,b)},this.setPosition=function(a,b){var c=A;if(!G&&(l(),b=1===arguments.length||"undefined"==typeof b?E.useAnimation:b,"string"==typeof a&&a.toLowerCase()===ChessUtils.FEN.startId?a=ChessUtils.convertFenToPosition(ChessUtils.FEN.positions.start):"string"==typeof a&&a.toLowerCase()===ChessUtils.FEN.emptyId?a=ChessUtils.convertFenToPosition(ChessUtils.FEN.positions.empty):"string"==typeof a?-1!==a.indexOf(ChessUtils.FEN.rowSeparator)&&(a=ChessUtils.convertFenToPosition(a)):"object"==typeof a&&(a=ChessUtils.convertNotationToPosition(a)),B!==a)){if(F.hasOwnProperty("onChange")===!0&&"function"==typeof F.onChange&&!H){if(G=!0,!F.onChange(B,a))return;G=!1}A=!1,b===!0?(r(a),B=a):(B=a,q()),F.hasOwnProperty("onChanged")!==!0||"function"!=typeof F.onChanged||H||(G=!0,F.onChanged(B),G=!1),A=c}},this.getPosition=function(a){return 0!==arguments.length&&a?a.toLowerCase()===ChessUtils.FEN.id?ChessUtils.convertPositionToFen(B):a.toLowerCase()===ChessUtils.NOTATION.id?ChessUtils.convertPositionToNotation(B):void 0:B},this.move=function(a){var b,c,d=[],e=[],f=B,g=E.useAnimation;if(!G){if("boolean"==typeof arguments[arguments.length-1]?(g=arguments[arguments.length-1],c=arguments.length-1):c=arguments.length,"string"==typeof a)if(-1!==a.search("-"))for(b=0;c>b;b++)d.push(ChessUtils.convertNotationSquareToIndex(arguments[b].split("-")[0])),e.push(ChessUtils.convertNotationSquareToIndex(arguments[b].split("-")[1]));else for(b=0;c>b;b+=2)d.push(ChessUtils.convertNotationSquareToIndex(arguments[b])),e.push(ChessUtils.convertNotationSquareToIndex(arguments[b+1]));else for(b=0;c>b;b+=2)d.push(arguments[b]),e.push(arguments[b+1]);for(b=0;b<d.length;b++)B[d[b]]!==ChessUtils.POSITION.empty&&(f=ChessUtils.replaceStringAt(f,d[b],ChessUtils.POSITION.empty),f=ChessUtils.replaceStringAt(f,e[b],B[d[b]]));this.setPosition(f,g)}},this.fen=function(a,b){return this.position(ChessUtils.FEN.id,a,b)},this.orientation=function(a){return 0===arguments.length?this.getOrientation():void this.setOrientation(a)},this.setOrientation=function(a){(a===ChessUtils.ORIENTATION.flip||D!==a)&&(l(),D=D===ChessUtils.ORIENTATION.white?ChessUtils.ORIENTATION.black:ChessUtils.ORIENTATION.white,D===ChessUtils.ORIENTATION.white?($("."+Chessboard.CSS.label.row.className).removeClass(Chessboard.CSS.label.hidden.className),$("."+Chessboard.CSS.label.column.className).removeClass(Chessboard.CSS.label.hidden.className),$("."+Chessboard.CSS.label.row.reversed.className).addClass(Chessboard.CSS.label.hidden.className),$("."+Chessboard.CSS.label.column.reversed.className).addClass(Chessboard.CSS.label.hidden.className)):($("."+Chessboard.CSS.label.row.className).addClass(Chessboard.CSS.label.hidden.className),$("."+Chessboard.CSS.label.column.className).addClass(Chessboard.CSS.label.hidden.className),$("."+Chessboard.CSS.label.row.reversed.className).removeClass(Chessboard.CSS.label.hidden.className),$("."+Chessboard.CSS.label.column.reversed.className).removeClass(Chessboard.CSS.label.hidden.className)),q())},this.getOrientation=function(){return D},this.resize=function(){h()},this.start=function(a){G||(a=0===arguments.length?E.useAnimation:a,this.position(ChessUtils.FEN.positions.start,a),D=ChessUtils.ORIENTATION.white)},this.enableUserInput=function(a){0===arguments.length&&(a=!0),A=a},this.isUserInputEnabled=function(){return A},c=function(a,b){var c;return c=d(b),e(a),f(),A=!0,c},d=function(a){var b;return"undefined"==typeof a?b=ChessUtils.convertFenToPosition(ChessUtils.FEN.positions.start):"string"==typeof a?b=a.toLowerCase()===ChessUtils.FEN.startId?ChessUtils.convertFenToPosition(ChessUtils.FEN.positions.start):a.toLowerCase()===ChessUtils.FEN.emptyId?ChessUtils.convertFenToPosition(ChessUtils.FEN.positions.empty):a:"undefined"==typeof a.position?b=ChessUtils.convertNotationToPosition(a):(null!==a.position&&(ChessUtils.isValidFen(a.position)&&(a.position=ChessUtils.convertFenToPosition(a.position)),b=a.position),D=a.orientation===ChessUtils.ORIENTATION.black?ChessUtils.ORIENTATION.black:ChessUtils.ORIENTATION.white,E.useAnimation=a.useAnimation===!1?!1:!0,E.showBoardLabels=a.showNotation===!1||a.showBoardLabels===!1?!1:!0,E.showNextMove=a.showNextMove===!1?!1:!0,a.eventHandlers&&(a.eventHandlers.onChange&&"function"==typeof a.eventHandlers.onChange&&(F.onChange=a.eventHandlers.onChange),a.eventHandlers.onChanged&&"function"==typeof a.eventHandlers.onChanged&&(F.onChanged=a.eventHandlers.onChanged),a.eventHandlers.onPieceSelected&&"function"==typeof a.eventHandlers.onPieceSelected&&(F.onPieceSelected=a.eventHandlers.onPieceSelected),a.eventHandlers.onMove&&"function"==typeof a.eventHandlers.onMove&&(F.onMove=a.eventHandlers.onMove)),b)},e=function(a){var b,c,d,e="";if(x="#"+a,!$(x))throw new Error("ContainerId provided doesn't point to a DOM element.");for(e+='<style id="'+w()+'"></style>',e+='<div id="'+t()+'" class="'+Chessboard.CSS.board.className+'">',b=0;64>b;b++)c=u(b),d=Chessboard.CSS.square.className,d+=" "+Chessboard.CSS.square.createClassName(b),b%8===7&&(d+=" "+Chessboard.CSS.square.lastColumn.className),e+='<div id="'+c+'" class="'+d+'">',0===ChessUtils.convertIndexToRow(b)&&(e+='<div class="'+Chessboard.CSS.label.className+" "+Chessboard.CSS.label.column.className+'">'+ChessUtils.NOTATION.columnConverter[ChessUtils.convertIndexToColumn(b)]+"</div>"),7===ChessUtils.convertIndexToRow(b)&&(e+='<div class="'+Chessboard.CSS.label.className+" "+Chessboard.CSS.label.hidden.className+" "+Chessboard.CSS.label.column.reversed.className+'">'+ChessUtils.NOTATION.columnConverter[ChessUtils.convertIndexToColumn(7-b)]+"</div>"),0===ChessUtils.convertIndexToColumn(b)&&(e+='<div class="'+Chessboard.CSS.label.className+" "+Chessboard.CSS.label.row.className+'">'+ChessUtils.NOTATION.rowConverter[ChessUtils.convertIndexToRow(b)]+"</div>"),7===ChessUtils.convertIndexToColumn(b)&&(e+='<div class="'+Chessboard.CSS.label.className+" "+Chessboard.CSS.label.hidden.className+" "+Chessboard.CSS.label.row.reversed.className+'">'+ChessUtils.NOTATION.rowConverter[7-ChessUtils.convertIndexToRow(b)]+"</div>"),d=Chessboard.CSS.piece.className,d+=" "+Chessboard.CSS.piece.none.className,e+='<div id="'+v(b)+'" class="'+d+'"></div>',e+="</div>";e+="</div>",$(x).html(e),$(x).css("display","inline-block")},f=function(){$(window).on("resize.chessEvents",h),$("div"+x+" div."+Chessboard.CSS.square.className).on("click",i)},g=function(){$(window).unbind("resize.chessEvents"),$("div"+x+" div."+Chessboard.CSS.square.className).unbind("click")},h=function(){var a,b,c,d;a=Math.floor($(x).width()/8),b=.85*a,c=Math.min(Math.max(.5*a,8),20),d=" div"+x+" div."+Chessboard.CSS.piece.className+" { font-size: "+b+"px; height: "+a+"px; } div"+x+" div."+Chessboard.CSS.label.className+" { font-size: "+c+"px; "+(E.showBoardLabels?"":"display: none;")+" }",$("#"+w()).html(d)},i=function(){var a,b,c=k($(this).attr("id"));if(A)if(null!==C&&y.indexOf(c)>-1)F.onMove&&(b=F.onMove({from:ChessUtils.convertIndexToNotationSquare(C),to:ChessUtils.convertIndexToNotationSquare(c)}),null!==b&&(z.setPosition(b),l()));else if(C!==c&&F.onPieceSelected)if(y=F.onPieceSelected(ChessUtils.convertIndexToNotationSquare(c)),y&&0!==y.length){if(m(c),!n(c))for(a=0;a<y.length;a++)j(y[a]).addClass(Chessboard.CSS.square.validMove.className)}else l()},l=function(){null!==C&&(j(C).removeClass(Chessboard.CSS.square.selected.className),$("div"+x+" div."+Chessboard.CSS.square.validMove.className).removeClass(Chessboard.CSS.square.validMove.className)),C=null},m=function(a){l(),n(a)||(C=a,j(C).addClass(Chessboard.CSS.square.selected.className))},j=function(a){return $("#"+u(a))},k=function(a){var b,c;return b=a.split(Chessboard.CSS.pathSeparator),c=parseInt(b[b.length-1],10),D===ChessUtils.ORIENTATION.white?c:63-c},o=function(a){return $("#"+v(a))},n=function(a){return $(o(a)).hasClass(Chessboard.CSS.piece.none.className)},p=function(a,b,c){var d="",e=ChessUtils.getPlayerNameFromPiece(b),f=ChessUtils.PIECE.codeToPieceName[b.toLowerCase()];c!==!0&&(c=!1),d=Chessboard.CSS.piece.className,b!==ChessUtils.POSITION.empty?(d+=" "+Chessboard.CSS.piece.createClassName(f),d+=" "+Chessboard.CSS.player.createClassName(e)):d+=" "+Chessboard.CSS.piece.none.className,o(a).attr("class")!==d&&o(a).attr("class",d),o(a).css("opacity",c?0:1)},q=function(){var a;for(a=0;64>a;a++)p(a,B[a])},r=function(a){var b;for(b=0;64>b;b++)B[b]!==a[b]&&("0"!==B[b]&&"0"!==a[b]?(p(b,a[b],!0),$(o(b)).animate({opacity:"1"},Chessboard.ANIMATION.fadeInTime)):"0"===B[b]?(p(b,a[b],!0),$(o(b)).animate({opacity:"1"},Chessboard.ANIMATION.fadeInTime)):"0"===a[b]&&p(b,a[b],!0))},s=function(){return $(x).attr("id")+"_"},t=function(){return s()+Chessboard.CSS.board.id},u=function(a){return s()+Chessboard.CSS.square.idPrefix+"_"+(D===ChessUtils.ORIENTATION.white?a:63-a)},v=function(a){return s()+Chessboard.CSS.piece.idPrefix+"_"+(D===ChessUtils.ORIENTATION.white?a:63-a)},w=function(){return s()+Chessboard.CSS.style.id},this.setPosition(c(a,b)),h(),D===ChessUtils.ORIENTATION.black&&(this.setOrientation(ChessUtils.ORIENTATION.flip),D=ChessUtils.ORIENTATION.black),H=!1}!function(){"use strict";var a={};a.PLAYER={black:{code:"b",notation:"b",className:"black"},white:{code:"w",notation:"w",className:"white"}},a.ORIENTATION={white:"w",black:"b",flip:"flip"},a.PIECE={none:"0",pawn:"p",rook:"r",knight:"n",bishop:"b",queen:"q",king:"k",codeToPieceName:{p:"pawn",r:"rook",n:"knight",b:"bishop",q:"queen",k:"king"}},a.POSITION={empty:"0",piece:{pawn:"p",rook:"r",knight:"n",bishop:"b",queen:"q",king:"k"},validator:/^[kqrbnpKQRNBP0]+$/},a.NOTATION={id:"notation",positionValidator:/^[a-h][1-8]$/,pieceValidator:/^[bw][KQRNBP]$/,columns:String.prototype.split.call("abcdefgh",""),rows:String.prototype.split.call("12345678",""),columnConverter:"abcdefgh",rowConverter:"12345678"},a.FEN={id:"fen",startId:"start",emptyId:"empty",rowValidator:/^[kqrbnpKQRNBP1-8]+$/,rowSeparator:"/",positions:{empty:"8/8/8/8/8/8/8/8",start:"rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR",ruyLopez:"r1bqkbnr/pppp1ppp/2n5/1B2p3/4P3/5N2/PPPP1PPP/RNBQK2R"}},a.isPieceWhite=function(b){return b.toUpperCase()===b&&b!==a.PIECE.none},a.isPieceBlack=function(a){return a.toUpperCase()!==a},a.getPieceForPlayer=function(b,c){return c===a.PLAYER.white.code?b.toUpperCase():b.toLowerCase()},a.getPlayerNameFromPiece=function(b){return a.isPieceWhite(b)?a.PLAYER.white.className:a.isPieceBlack(b)?a.PLAYER.black.className:void 0},a.getPlayerCodeFromPiece=function(b){return a.isPieceWhite(b)?a.PLAYER.white.code:a.isPieceBlack(b)?a.PLAYER.black.code:void 0},a.isValidPosition=function(b){return"string"!=typeof b?!1:64!==b.length||-1!==b.search(a.POSITION.validator)?!1:void 0},a.isValidFen=function(b){var c,d;if("string"!=typeof b)return!1;if(b=b.split(" ")[0],c=b.split("/"),8!==c.length)return!1;for(d=0;8>d;d++)if(""===c[d]||c[d].length>8||-1!==c[d].search(a.FEN.rowValidator))return!1;return!0},a.isValidNotationPosition=function(b){return"string"!=typeof b?!1:-1!==b.search(a.NOTATION.positionValidator)},a.isValidNotationPiece=function(b){return"string"!=typeof b?!1:-1!==b.search(a.NOTATION.pieceValidator)},a.isValidNotation=function(b){var c;if("object"!=typeof b)return!1;for(c in b)if(b.hasOwnProperty(c)&&(!a.isValidNotationPosition(c)||!a.isValidNotationPiece(b[c])))return!1;return!0},a.convertFenToPosition=function(b){var c,d;if(a.isValidFen(b))throw new Error('Invalid fen string "'+b+'".');for(d=b.split(" ")[0],c=1;8>=c;c++)d=d.replace(new RegExp(c,"g"),a.repeatString("0",c));return d=d.replace(new RegExp(a.FEN.rowSeparator,"g"),"")},a.convertPositionToFen=function(b){var c,d="";if(a.isValidPosition(b))throw new Error('Invalid position string "'+b+'".');for(d=b.substr(0,8),c=1;8>c;c++)d+=a.FEN.rowSeparator+b.substr(8*c,8);for(c=8;c>0;c--)d=d.replace(new RegExp(a.repeatString("0",c),"g"),c);return d},a.convertPieceToNotationPiece=function(b){return(a.isPieceWhite(b)?a.PLAYER.white.notation:a.PLAYER.black.notation)+b.toUpperCase()},a.convertNotationPieceToPiece=function(b){return b.split("")[0]===a.PLAYER.white.notation?b.split("")[1].toUpperCase():b.split("")[1].toLowerCase()},a.convertIndexToNotationSquare=function(b){return a.NOTATION.columns[a.convertIndexToColumn(b)]+a.NOTATION.rows[a.convertIndexToRow(b)]},a.convertNotationSquareToIndex=function(b){var c,d;return"+"===b[b.length-1]&&(b=b.substring(0,b.length-1)),d=b.split("")[b.length-2],c=b.split("")[b.length-1],a.convertRowColumnToIndex(a.NOTATION.rowConverter.search(c),a.NOTATION.columnConverter.search(d))},a.convertNotationToPosition=function(b){var c,d=a.convertFenToPosition(a.FEN.positions.empty);if(a.isValidNotation(d))throw new Error('Invalid notation object "'+b.toString()+'".');for(c in b)b.hasOwnProperty(c)&&(d=a.replaceStringAt(d,a.convertNotationSquareToIndex(c),a.convertNotationPieceToPiece(b[c])));return d},a.convertPositionToNotation=function(b){var c,d={};if(a.isValidPosition(b))throw new Error('Invalid position string "'+b+'".');for(c=0;64>c;c++)b[c]!==a.POSITION.empty&&(d[a.convertIndexToNotationSquare(c)]=a.convertPieceToNotationPiece(b[c]));return d},a.isOutOfBoard=function(a,b){return 0>a||a>7||0>b||b>7},a.convertIndexToColumn=function(a){return a%8},a.convertIndexToRow=function(a){return 7-Math.floor(a/8)},a.convertRowColumnToIndex=function(a,b){return 8*(7-a)+b},a.repeatString=function(a,b){var c=[];return c.length=b+1,c.join(a)},a.replaceStringAt=function(a,b,c){var d;return d=a.split(""),d[b]=c,d.join("")},"undefined"!=typeof module&&"undefined"!=typeof module.exports?module.exports.ChessUtils=a:window.ChessUtils=a}(); |