|
!function(){"use strict";var z=window.jQuery,F="abcdefgh".split(""),r=20,A="…",W="1.8.3",e="rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR",G=pe(e),n=200,t=200,o=60,a=30,i=100,H={};function V(e,r,n){function t(){o=0,a&&(a=!1,s())}var o=0,a=!1,i=[],s=function(){o=window.setTimeout(t,r),e.apply(n,i)};return function(e){i=arguments,o?a=!0:s()}}function Z(){return"xxxx-xxxx-xxxx-xxxx-xxxx-xxxx-xxxx-xxxx".replace(/x/g,function(e){return(16*Math.random()|0).toString(16)})}function _(e){return JSON.parse(JSON.stringify(e))}function s(e){var r=e.split(".");return{major:parseInt(r[0],10),minor:parseInt(r[1],10),patch:parseInt(r[2],10)}}function ee(e,r){for(var n in r)if(r.hasOwnProperty(n))for(var t="{"+n+"}",o=r[n];-1!==e.indexOf(t);)e=e.replace(t,o);return e}function re(e){return"string"==typeof e}function ne(e){return"function"==typeof e}function p(e){return"number"==typeof e&&isFinite(e)&&Math.floor(e)===e}function c(e){return"fast"===e||"slow"===e||!!p(e)&&0<=e}function te(e){if(!re(e))return!1;var r=e.split("-");return 2===r.length&&(oe(r[0])&&oe(r[1]))}function oe(e){return re(e)&&-1!==e.search(/^[a-h][1-8]$/)}function u(e){return re(e)&&-1!==e.search(/^[bw][KQRNBP]$/)}function ae(e){if(!re(e))return!1;var r=(e=function(e){return e.replace(/8/g,"11111111").replace(/7/g,"1111111").replace(/6/g,"111111").replace(/5/g,"11111").replace(/4/g,"1111").replace(/3/g,"111").replace(/2/g,"11")}(e=e.replace(/ .+$/,""))).split("/");if(8!==r.length)return!1;for(var n=0;n<8;n++)if(8!==r[n].length||-1!==r[n].search(/[^kqrnbpKQRNBP1]/))return!1;return!0}function ie(e){if(!z.isPlainObject(e))return!1;for(var r in e)if(e.hasOwnProperty(r)&&(!oe(r)||!u(e[r])))return!1;return!0}function se(){return typeof window.$&&z.fn&&z.fn.jquery&&function(e,r){e=s(e),r=s(r);var n=1e5*e.major*1e5+1e5*e.minor+e.patch;return 1e5*r.major*1e5+1e5*r.minor+r.patch<=n}(z.fn.jquery,W)}function pe(e){if(!ae(e))return!1;for(var r,n=(e=e.replace(/ .+$/,"")).split("/"),t={},o=8,a=0;a<8;a++){for(var i=n[a].split(""),s=0,p=0;p<i.length;p++){if(-1!==i[p].search(/[1-8]/))s+=parseInt(i[p],10);else t[F[s]+o]=(r=i[p]).toLowerCase()===r?"b"+r.toUpperCase():"w"+r.toUpperCase(),s+=1}o-=1}return t}function ce(e){if(!ie(e))return!1;for(var r,n,t="",o=8,a=0;a<8;a++){for(var i=0;i<8;i++){var s=F[i]+o;e.hasOwnProperty(s)?t+=(r=e[s],n=void 0,"w"===(n=r.split(""))[0]?n[1].toUpperCase():n[1].toLowerCase()):t+="1"}7!==a&&(t+="/"),o-=1}return t=function(e){return e.replace(/11111111/g,"8").replace(/1111111/g,"7").replace(/111111/g,"6").replace(/11111/g,"5").replace(/1111/g,"4").replace(/111/g,"3").replace(/11/g,"2")}(t)}function ue(e,r,n){for(var t=function(e){for(var r=[],n=0;n<8;n++)for(var t=0;t<8;t++){var o=F[n]+(t+1);e!==o&&r.push({square:o,distance:(a=e,i=o,void 0,void 0,void 0,void 0,void 0,void 0,void 0,void 0,s=a.split(""),p=F.indexOf(s[0])+1,c=parseInt(s[1],10),u=i.split(""),f=F.indexOf(u[0])+1,d=parseInt(u[1],10),h=Math.abs(p-f),l=Math.abs(c-d),l<=h?h:l)})}var a,i,s,p,c,u,f,d,h,l;r.sort(function(e,r){return e.distance-r.distance});var v=[];for(n=0;n<r.length;n++)v.push(r[n].square);return v}(n),o=0;o<t.length;o++){var a=t[o];if(e.hasOwnProperty(a)&&e[a]===r)return a}return!1}function fe(e){return"black"!==e.orientation&&(e.orientation="white"),!1!==e.showNotation&&(e.showNotation=!0),!0!==e.draggable&&(e.draggable=!1),"trash"!==e.dropOffBoard&&(e.dropOffBoard="snapback"),!0!==e.sparePieces&&(e.sparePieces=!1),e.sparePieces&&(e.draggable=!0),e.hasOwnProperty("pieceTheme")&&(re(e.pieceTheme)||ne(e.pieceTheme))||(e.pieceTheme="img/chesspieces/wikipedia/{piece}.png"),c(e.appearSpeed)||(e.appearSpeed=n),c(e.moveSpeed)||(e.moveSpeed=t),c(e.snapbackSpeed)||(e.snapbackSpeed=o),c(e.snapSpeed)||(e.snapSpeed=a),c(e.trashSpeed)||(e.trashSpeed=i),function(e){return p(e)&&1<=e}(e.dragThrottleRate)||(e.dragThrottleRate=r),e}H.alpha="alpha-d2270",H.black="black-3c85d",H.board="board-b72b1",H.chessboard="chessboard-63f37",H.clearfix="clearfix-7da63",H.highlight1="highlight1-32417",H.highlight2="highlight2-9c5d2",H.notation="notation-322f9",H.numeric="numeric-fc462",H.piece="piece-417db",H.row="row-5277c",H.sparePieces="spare-pieces-7492f",H.sparePiecesBottom="spare-pieces-bottom-ae20f",H.sparePiecesTop="spare-pieces-top-4028b",H.square="square-55d63",H.white="white-1e1d7",window.Chessboard=function(e,f){if(!function(){if(se())return!0;var e="Chessboard Error 1005: Unable to find a valid version of jQuery. Please include jQuery "+W+" or higher on the page\n\nExiting"+A;return window.alert(e),!1}())return null;var n=function(e){if(""===e){var r="Chessboard Error 1001: The first argument to Chessboard() cannot be an empty string.\n\nExiting"+A;return window.alert(r),!1}re(e)&&"#"!==e.charAt(0)&&(e="#"+e);var n=z(e);if(1===n.length)return n;var t="Chessboard Error 1003: The first argument to Chessboard() must be the ID of a DOM node, an ID query selector, or a single DOM node.\n\nExiting"+A;return window.alert(t),!1}(e);if(!n)return null;f=fe(f=function(e){return"start"===e?e={position:_(G)}:ae(e)?e={position:pe(e)}:ie(e)&&(e={position:_(e)}),z.isPlainObject(e)||(e={}),e}(f));var r=null,a=null,t=null,o=null,i={},s=2,p="white",c={},u=null,d=null,h=null,l=!1,v={},g={},w={},b=16;function m(e,r,n){if(!0===f.hasOwnProperty("showErrors")&&!1!==f.showErrors){var t="Chessboard Error "+e+": "+r;return"console"===f.showErrors&&"object"==typeof console&&"function"==typeof console.log?(console.log(t),void(2<=arguments.length&&console.log(n))):"alert"===f.showErrors?(n&&(t+="\n\n"+JSON.stringify(n)),void window.alert(t)):void(ne(f.showErrors)&&f.showErrors(e,r,n))}}function P(e){return ne(f.pieceTheme)?f.pieceTheme(e):re(f.pieceTheme)?ee(f.pieceTheme,{piece:e}):(m(8272,"Unable to build image source for config.pieceTheme."),"")}function y(e,r,n){var t='<img src="'+P(e)+'" ';return re(n)&&""!==n&&(t+='id="'+n+'" '),t+='alt="" class="{piece}" data-piece="'+e+'" style="width:'+b+"px;height:"+b+"px;",r&&(t+="display:none;"),ee(t+='" />',H)}function x(e){var r=["wK","wQ","wR","wB","wN","wP"];"black"===e&&(r=["bK","bQ","bR","bB","bN","bP"]);for(var n="",t=0;t<r.length;t++)n+=y(r[t],!1,v[r[t]]);return n}function O(e,r,n,t){var o=z("#"+g[e]),a=o.offset(),i=z("#"+g[r]),s=i.offset(),p=Z();z("body").append(y(n,!0,p));var c=z("#"+p);c.css({display:"",position:"absolute",top:a.top,left:a.left}),o.find("."+H.piece).remove();var u={duration:f.moveSpeed,complete:function(){i.append(y(n)),c.remove(),ne(t)&&t()}};c.animate(s,u)}function S(e,r,n){var t=z("#"+v[e]).offset(),o=z("#"+g[r]),a=o.offset(),i=Z();z("body").append(y(e,!0,i));var s=z("#"+i);s.css({display:"",position:"absolute",left:t.left,top:t.top});var p={duration:f.moveSpeed,complete:function(){o.find("."+H.piece).remove(),o.append(y(e)),s.remove(),ne(n)&&n()}};s.animate(a,p)}function T(){for(var e in r.find("."+H.piece).remove(),c)c.hasOwnProperty(e)&&z("#"+g[e]).append(y(c[e]))}function q(){r.html(function(e){"black"!==e&&(e="white");var r="",n=_(F),t=8;"black"===e&&(n.reverse(),t=1);for(var o="white",a=0;a<8;a++){r+='<div class="{row}">';for(var i=0;i<8;i++){var s=n[i]+t;r+='<div class="{square} '+H[o]+" square-"+s+'" style="width:'+b+"px;height:"+b+'px;" id="'+g[s]+'" data-square="'+s+'">',f.showNotation&&(("white"===e&&1===t||"black"===e&&8===t)&&(r+='<div class="{notation} {alpha}">'+n[i]+"</div>"),0===i&&(r+='<div class="{notation} {numeric}">'+t+"</div>")),r+="</div>",o="white"===o?"black":"white"}r+='<div class="{clearfix}"></div></div>',o="white"===o?"black":"white","white"===e?t-=1:t+=1}return ee(r,H)}(p,f.showNotation)),T(),f.sparePieces&&("white"===p?(t.html(x("black")),o.html(x("white"))):(t.html(x("white")),o.html(x("black"))))}function k(e){var r=_(c),n=_(e);ce(r)!==ce(n)&&(ne(f.onChange)&&f.onChange(r,n),c=e)}function E(e,r){for(var n in w)if(w.hasOwnProperty(n)){var t=w[n];if(e>=t.left&&e<t.left+b&&r>=t.top&&r<t.top+b)return n}return"offboard"}function C(){r.find("."+H.square).removeClass(H.highlight1+" "+H.highlight2)}function B(){C();var e=_(c);delete e[h],k(e),T(),a.fadeOut(f.trashSpeed),l=!1}function I(e,r,n,t){ne(f.onDragStart)&&!1===f.onDragStart(e,r,_(c),p)||(l=!0,u=r,d="spare"===(h=e)?"offboard":e,function(){for(var e in w={},g)g.hasOwnProperty(e)&&(w[e]=z("#"+g[e]).offset())}(),a.attr("src",P(r)).css({display:"",position:"absolute",left:n-b/2,top:t-b/2}),"spare"!==e&&z("#"+g[e]).addClass(H.highlight1).find("."+H.piece).css("display","none"))}function M(e,r){a.css({left:e-b/2,top:r-b/2});var n=E(e,r);n!==d&&(oe(d)&&z("#"+g[d]).removeClass(H.highlight2),oe(n)&&z("#"+g[n]).addClass(H.highlight2),ne(f.onDragMove)&&f.onDragMove(n,d,h,u,_(c),p),d=n)}function N(e){var r="drop";if("offboard"===e&&"snapback"===f.dropOffBoard&&(r="snapback"),"offboard"===e&&"trash"===f.dropOffBoard&&(r="trash"),ne(f.onDrop)){var n=_(c);"spare"===h&&oe(e)&&(n[e]=u),oe(h)&&"offboard"===e&&delete n[h],oe(h)&&oe(e)&&(delete n[h],n[e]=u);var t=_(c),o=f.onDrop(h,e,u,n,t,p);"snapback"!==o&&"trash"!==o||(r=o)}"snapback"===r?function(){if("spare"!==h){C();var e=z("#"+g[h]).offset(),r={duration:f.snapbackSpeed,complete:function(){T(),a.css("display","none"),ne(f.onSnapbackEnd)&&f.onSnapbackEnd(u,h,_(c),p)}};a.animate(e,r),l=!1}else B()}():"trash"===r?B():"drop"===r&&function(e){C();var r=_(c);delete r[h],r[e]=u,k(r);var n=z("#"+g[e]).offset(),t={duration:f.snapSpeed,complete:function(){T(),a.css("display","none"),ne(f.onSnapEnd)&&f.onSnapEnd(h,e,u)}};a.animate(n,t),l=!1}(e)}function j(e){e.preventDefault()}function D(e){if(f.draggable){var r=z(this).attr("data-square");oe(r)&&c.hasOwnProperty(r)&&I(r,c[r],e.pageX,e.pageY)}}function R(e){if(f.draggable){var r=z(this).attr("data-square");oe(r)&&c.hasOwnProperty(r)&&(e=e.originalEvent,I(r,c[r],e.changedTouches[0].pageX,e.changedTouches[0].pageY))}}function Q(e){f.sparePieces&&I("spare",z(this).attr("data-piece"),e.pageX,e.pageY)}function X(e){f.sparePieces&&I("spare",z(this).attr("data-piece"),(e=e.originalEvent).changedTouches[0].pageX,e.changedTouches[0].pageY)}i.clear=function(e){i.position({},e)},i.destroy=function(){n.html(""),a.remove(),n.unbind()},i.fen=function(){return i.position("fen")},i.flip=function(){return i.orientation("flip")},i.move=function(){if(0!==arguments.length){for(var e=!0,r={},n=0;n<arguments.length;n++)if(!1!==arguments[n])if(te(arguments[n])){var t=arguments[n].split("-");r[t[0]]=t[1]}else m(2826,"Invalid move passed to the move method.",arguments[n]);else e=!1;var o=function(e,r){var n=_(e);for(var t in r)if(r.hasOwnProperty(t)&&n.hasOwnProperty(t)){var o=n[t];delete n[t],n[r[t]]=o}return n}(c,r);return i.position(o,e),o}},i.orientation=function(e){return 0===arguments.length?p:"white"===e||"black"===e?(p=e,q(),p):"flip"===e?(p="white"===p?"black":"white",q(),p):void m(5482,"Invalid value passed to the orientation method.",e)},i.position=function(e,r){if(0===arguments.length)return _(c);if(re(e)&&"fen"===e.toLowerCase())return ce(c);(re(e)&&"start"===e.toLowerCase()&&(e=_(G)),ae(e)&&(e=pe(e)),ie(e))?(!1!==r&&(r=!0),r?(function(e,r,n){if(0!==e.length)for(var t=0,o=0;o<e.length;o++){var a=e[o];"clear"===a.type?z("#"+g[a.square]+" ."+H.piece).fadeOut(f.trashSpeed,i):"add"!==a.type||f.sparePieces?"add"===a.type&&f.sparePieces?S(a.piece,a.square,i):"move"===a.type&&O(a.source,a.destination,a.piece,i):z("#"+g[a.square]).append(y(a.piece,!0)).find("."+H.piece).fadeIn(f.appearSpeed,i)}function i(){(t+=1)===e.length&&(T(),ne(f.onMoveEnd)&&f.onMoveEnd(_(r),_(n)))}}(function(e,r){e=_(e),r=_(r);var n=[],t={};for(var o in r)r.hasOwnProperty(o)&&e.hasOwnProperty(o)&&e[o]===r[o]&&(delete e[o],delete r[o]);for(o in r)if(r.hasOwnProperty(o)){var a=ue(e,r[o],o);a&&(n.push({type:"move",source:a,destination:o,piece:r[o]}),delete e[a],delete r[o],t[o]=!0)}for(o in r)r.hasOwnProperty(o)&&(n.push({type:"add",square:o,piece:r[o]}),delete r[o]);for(o in e)e.hasOwnProperty(o)&&(t.hasOwnProperty(o)||(n.push({type:"clear",square:o,piece:e[o]}),delete e[o]));return n}(c,e),c,e),k(e)):(k(e),T())):m(6482,"Invalid value passed to the position method.",e)},i.resize=function(){b=function(){var e=parseInt(n.width(),10);if(!e||e<=0)return 0;for(var r=e-1;r%8!=0&&0<r;)r-=1;return r/8}(),r.css("width",8*b+"px"),a.css({height:b,width:b}),f.sparePieces&&n.find("."+H.sparePieces).css("paddingLeft",b+s+"px"),q()},i.start=function(e){i.position("start",e)};var Y=V(function(e){l&&M(e.pageX,e.pageY)},f.dragThrottleRate),K=V(function(e){l&&(e.preventDefault(),M(e.originalEvent.changedTouches[0].pageX,e.originalEvent.changedTouches[0].pageY))},f.dragThrottleRate);function L(e){l&&N(E(e.pageX,e.pageY))}function U(e){l&&N(E(e.originalEvent.changedTouches[0].pageX,e.originalEvent.changedTouches[0].pageY))}function $(e){if(!l&&ne(f.onMouseoverSquare)){var r=z(e.currentTarget).attr("data-square");if(oe(r)){var n=!1;c.hasOwnProperty(r)&&(n=c[r]),f.onMouseoverSquare(r,n,_(c),p)}}}function J(e){if(!l&&ne(f.onMouseoutSquare)){var r=z(e.currentTarget).attr("data-square");if(oe(r)){var n=!1;c.hasOwnProperty(r)&&(n=c[r]),f.onMouseoutSquare(r,n,_(c),p)}}}return p=f.orientation,f.hasOwnProperty("position")&&("start"===f.position?c=_(G):ae(f.position)?c=pe(f.position):ie(f.position)?c=_(f.position):m(7263,"Invalid value passed to config.position.",f.position)),function(){!function(){for(var e=0;e<F.length;e++)for(var r=1;r<=8;r++){var n=F[e]+r;g[n]=n+"-"+Z()}var t="KQRNBP".split("");for(e=0;e<t.length;e++){var o="w"+t[e],a="b"+t[e];v[o]=o+"-"+Z(),v[a]=a+"-"+Z()}}(),n.html(function(e){var r='<div class="{chessboard}">';return e&&(r+='<div class="{sparePieces} {sparePiecesTop}"></div>'),r+='<div class="{board}"></div>',e&&(r+='<div class="{sparePieces} {sparePiecesBottom}"></div>'),ee(r+="</div>",H)}(f.sparePieces)),r=n.find("."+H.board),f.sparePieces&&(t=n.find("."+H.sparePiecesTop),o=n.find("."+H.sparePiecesBottom));var e=Z();z("body").append(y("wP",!0,e)),a=z("#"+e),s=parseInt(r.css("borderLeftWidth"),10),i.resize()}(),function(){z("body").on("mousedown mousemove","."+H.piece,j),r.on("mousedown","."+H.square,D),n.on("mousedown","."+H.sparePieces+" ."+H.piece,Q),r.on("mouseenter","."+H.square,$).on("mouseleave","."+H.square,J);var e=z(window);e.on("mousemove",Y).on("mouseup",L),"ontouchstart"in document.documentElement&&(r.on("touchstart","."+H.square,R),n.on("touchstart","."+H.sparePieces+" ."+H.piece,X),e.on("touchmove",K).on("touchend",U))}(),i},window.ChessBoard=window.Chessboard,window.Chessboard.fenToObj=pe,window.Chessboard.objToFen=ce}(); |
