/**
 * Copyright (c) 2016 by Jamie Peabody, http://www.mergely.com
 * All rights reserved.
 * Version: 3.4.3 2016-09-07
 */
"use strict";!function(a,b,c,d){var e={};e.Timer=function(){var a=this;a.start=function(){a.t0=(new Date).getTime()},a.stop=function(){var b=(new Date).getTime(),c=b-a.t0;return a.t0=b,c},a.start()},e.ChangeExpression=new RegExp(/(^(?![><\-])*\d+(?:,\d+)?)([acd])(\d+(?:,\d+)?)/),e.DiffParser=function(a){for(var b=[],c=0,d=a.split(/\n/),f=0;f<d.length;++f)if(0!=d[f].length){var g={},h=e.ChangeExpression.exec(d[f]);if(null!=h){var i=h[1].split(",");g["lhs-line-from"]=i[0]-1,1==i.length?g["lhs-line-to"]=i[0]-1:g["lhs-line-to"]=i[1]-1;var j=h[3].split(",");g["rhs-line-from"]=j[0]-1,1==j.length?g["rhs-line-to"]=j[0]-1:g["rhs-line-to"]=j[1]-1,g.op=h[2],b[c++]=g}}return b},e.sizeOf=function(a){var c,b=0;for(c in a)a.hasOwnProperty(c)&&b++;return b},e.LCS=function(a,b){this.x=a.replace(/[ ]{1}/g,"\n"),this.y=b.replace(/[ ]{1}/g,"\n")},c.extend(e.LCS.prototype,{clear:function(){this.ready=0},diff:function(a,b){for(var c=new e.diff(this.x,this.y,{ignorews:!1}),d=e.DiffParser(c.normal_form()),f=0,g=0,h=0;h<d.length;++h){var i=d[h];if("a"!=i.op){f=c.getLines("lhs").slice(0,i["lhs-line-from"]).join(" ").length,g=i["lhs-line-to"]+1;var j=c.getLines("lhs").slice(i["lhs-line-from"],g).join(" ");"d"==i.op?j+=" ":f>0&&"c"==i.op&&(f+=1),b(f,f+j.length)}if("d"!=i.op){f=c.getLines("rhs").slice(0,i["rhs-line-from"]).join(" ").length,g=i["rhs-line-to"]+1;var k=c.getLines("rhs").slice(i["rhs-line-from"],g).join(" ");"a"==i.op?k+=" ":f>0&&"c"==i.op&&(f+=1),a(f,f+k.length)}}}}),e.CodeifyText=function(a){this._max_code=0,this._diff_codes={},this.ctxs={},this.options={ignorews:!1},c.extend(this,a),this.lhs=a.lhs.split("\n"),this.rhs=a.rhs.split("\n")},c.extend(e.CodeifyText.prototype,{getCodes:function(a){if(!this.ctxs.hasOwnProperty(a)){var b=this._diff_ctx(this[a]);this.ctxs[a]=b,b.codes.length=Object.keys(b.codes).length}return this.ctxs[a].codes},getLines:function(a){return this.ctxs[a].lines},_diff_ctx:function(a){var b={i:0,codes:{},lines:a};return this._codeify(a,b),b},_codeify:function(a,b){for(var d=(this._max_code,0);d<a.length;++d){var e=a[d];this.options.ignorews&&(e=e.replace(/\s+/g,""));var f=this._diff_codes[e];void 0!=f?b.codes[d]=f:(this._max_code++,this._diff_codes[e]=this._max_code,b.codes[d]=this._max_code)}}}),e.diff=function(a,b,d){var f=c.extend({ignorews:!1},d);this.codeify=new e.CodeifyText({lhs:a,rhs:b,options:f});var g={codes:this.codeify.getCodes("lhs"),modified:{}},h={codes:this.codeify.getCodes("rhs"),modified:{}},j=(g.codes.length+h.codes.length+1,[]),k=[];this._lcs(g,0,g.codes.length,h,0,h.codes.length,k,j),this._optimize(g),this._optimize(h),this.items=this._create_diffs(g,h)},c.extend(e.diff.prototype,{changes:function(){return this.items},getLines:function(a){return this.codeify.getLines(a)},normal_form:function(){for(var a="",b=0;b<this.items.length;++b){var c=this.items[b],d="",e="",f="c";0==c.lhs_deleted_count&&c.rhs_inserted_count>0?f="a":c.lhs_deleted_count>0&&0==c.rhs_inserted_count&&(f="d"),d=1==c.lhs_deleted_count?c.lhs_start+1:0==c.lhs_deleted_count?c.lhs_start:c.lhs_start+1+","+(c.lhs_start+c.lhs_deleted_count),e=1==c.rhs_inserted_count?c.rhs_start+1:0==c.rhs_inserted_count?c.rhs_start:c.rhs_start+1+","+(c.rhs_start+c.rhs_inserted_count),a+=d+f+e+"\n";var g=this.getLines("lhs"),h=this.getLines("rhs");if(h&&g){var i;for(i=c.lhs_start;i<c.lhs_start+c.lhs_deleted_count;++i)a+="< "+g[i]+"\n";for(c.rhs_inserted_count&&c.lhs_deleted_count&&(a+="---\n"),i=c.rhs_start;i<c.rhs_start+c.rhs_inserted_count;++i)a+="> "+h[i]+"\n"}}return a},_lcs:function(a,b,c,d,e,f,g,h){for(;c>b&&f>e&&a.codes[b]==d.codes[e];)++b,++e;for(;c>b&&f>e&&a.codes[c-1]==d.codes[f-1];)--c,--f;if(b==c)for(;f>e;)d.modified[e++]=!0;else if(e==f)for(;c>b;)a.modified[b++]=!0;else{var i=this._sms(a,b,c,d,e,f,g,h);this._lcs(a,b,i.x,d,e,i.y,g,h),this._lcs(a,i.x,c,d,i.y,f,g,h)}},_sms:function(a,b,c,d,e,f,g,h){var i=a.codes.length+d.codes.length+1,j=b-e,k=c-f,l=c-b-(f-e),m=0!=(1&l),n=i-j,o=i-k,p=(c-b+f-e)/2+1;h[n+j+1]=b,g[o+k-1]=c;var r,s,t,u,q={x:0,y:0};for(r=0;p>=r;++r){for(s=j-r;j+r>=s;s+=2){for(s==j-r?t=h[n+s+1]:(t=h[n+s-1]+1,j+r>s&&h[n+s+1]>=t&&(t=h[n+s+1])),u=t-s;c>t&&f>u&&a.codes[t]==d.codes[u];)t++,u++;if(h[n+s]=t,m&&s>k-r&&k+r>s&&g[o+s]<=h[n+s])return q.x=h[n+s],q.y=h[n+s]-s,q}for(s=k-r;k+r>=s;s+=2){for(s==k+r?t=g[o+s-1]:(t=g[o+s+1]-1,s>k-r&&g[o+s-1]<t&&(t=g[o+s-1])),u=t-s;t>b&&u>e&&a.codes[t-1]==d.codes[u-1];)t--,u--;if(g[o+s]=t,!m&&s>=j-r&&j+r>=s&&g[o+s]<=h[n+s])return q.x=h[n+s],q.y=h[n+s]-s,q}}throw"the algorithm should never come here."},_optimize:function(a){for(var b=0,c=0;b<a.codes.length;){for(;b<a.codes.length&&(void 0==a.modified[b]||0==a.modified[b]);)b++;for(c=b;c<a.codes.length&&1==a.modified[c];)c++;c<a.codes.length&&a.codes[b]==a.codes[c]?(a.modified[b]=!1,a.modified[c]=!0):b=c}},_create_diffs:function(a,b){for(var c=[],d=0,e=0,f=0,g=0;f<a.codes.length||g<b.codes.length;)if(f<a.codes.length&&!a.modified[f]&&g<b.codes.length&&!b.modified[g])f++,g++;else{for(d=f,e=g;f<a.codes.length&&(g>=b.codes.length||a.modified[f]);)f++;for(;g<b.codes.length&&(f>=a.codes.length||b.modified[g]);)g++;(f>d||g>e)&&c.push({lhs_start:d,rhs_start:e,lhs_deleted_count:f-d,rhs_inserted_count:g-e})}return c}}),e.mergely=function(a,b){a&&this.init(a,b)},c.extend(e.mergely.prototype,{name:"mergely",init:function(a,b){this.diffView=new e.CodeMirrorDiffView(a,b),this.bind(a)},bind:function(a){this.diffView.bind(a)}}),e.CodeMirrorDiffView=function(a,b){d.defineExtension("centerOnCursor",function(){var a=this.cursorCoords(null,"local");this.scrollTo(null,(a.y+a.yBot)/2-this.getScrollerElement().clientHeight/2)}),this.init(a,b)},c.extend(e.CodeMirrorDiffView.prototype,{init:function(a,b){this.settings={autoupdate:!0,autoresize:!0,rhs_margin:"right",wrap_lines:!1,line_numbers:!0,lcs:!0,sidebar:!0,viewport:!1,ignorews:!1,fadein:"fast",editor_width:"650px",editor_height:"400px",resize_timeout:500,change_timeout:150,fgcolor:{a:"#4ba3fa",c:"#a3a3a3",d:"#ff7f7f",ca:"#4b73ff",cc:"#434343",cd:"#ff4f4f"},bgcolor:"#eee",vpcolor:"rgba(0, 0, 200, 0.5)",lhs:function(a){},rhs:function(a){},loaded:function(){},_auto_width:function(a){return a},resize:function(b){var d=b?16:0,e=c(a).parent().width()+d,f=0;"auto"==this.width?e=this._auto_width(e):(e=this.width,this.editor_width=e),"auto"==this.height?f=c(a).parent().height():(f=this.height,this.editor_height=f);var g=e/2-16-8,h=f,i=c(a);i.find(".mergely-column").css({width:g+"px"}),i.find(".mergely-column, .mergely-canvas, .mergely-margin, .mergely-column textarea, .CodeMirror-scroll, .cm-s-default").css({height:h+"px"}),i.find(".mergely-canvas").css({height:h+"px"}),i.find(".mergely-column textarea").css({width:g+"px"}),i.css({width:e,height:f,clear:"both"}),"none"==i.css("display")&&(0!=this.fadein?i.fadeIn(this.fadein):i.show(),this.loaded&&this.loaded()),this.resized&&this.resized()},_debug:"",resized:function(){}};var d={mode:"text/plain",readOnly:!1,lineWrapping:this.settings.wrap_lines,lineNumbers:this.settings.line_numbers,gutters:["merge","CodeMirror-linenumbers"]};this.lhs_cmsettings={},this.rhs_cmsettings={},this.element=c(a),b&&b.cmsettings&&c.extend(this.lhs_cmsettings,d,b.cmsettings,b.lhs_cmsettings),b&&b.cmsettings&&c.extend(this.rhs_cmsettings,d,b.cmsettings,b.rhs_cmsettings),this.element.bind("destroyed",c.proxy(this.teardown,this)),c.data(a,"mergely",this),this._setOptions(b)},unbind:function(){null!=this.changed_timeout&&clearTimeout(this.changed_timeout),this.editor[this.id+"-lhs"].toTextArea(),this.editor[this.id+"-rhs"].toTextArea(),c(a).off(".mergely")},destroy:function(){this.element.unbind("destroyed",this.teardown),this.teardown()},teardown:function(){this.unbind()},lhs:function(a){this.editor[this.id+"-lhs"].setValue(a)},rhs:function(a){this.editor[this.id+"-rhs"].setValue(a)},update:function(){this._changing(this.id+"-lhs",this.id+"-rhs")},unmarkup:function(){this._clear()},scrollToDiff:function(a){this.changes.length&&("next"==a?this._current_diff=Math.min(++this._current_diff,this.changes.length-1):"prev"==a&&(this._current_diff=Math.max(--this._current_diff,0)),this._scroll_to_change(this.changes[this._current_diff]),this._changed(this.id+"-lhs",this.id+"-rhs"))},mergeCurrentChange:function(a){this.changes.length&&("lhs"!=a||this.lhs_cmsettings.readOnly?"rhs"!=a||this.rhs_cmsettings.readOnly||this._merge_change(this.changes[this._current_diff],"lhs","rhs"):this._merge_change(this.changes[this._current_diff],"rhs","lhs"))},scrollTo:function(a,b){var c=this.editor[this.id+"-lhs"],d=this.editor[this.id+"-rhs"];"lhs"==a?(c.setCursor(b),c.centerOnCursor()):(d.setCursor(b),d.centerOnCursor())},_setOptions:function(a){if(c.extend(this.settings,a),this.settings.hasOwnProperty("rhs_margin"))if("left"==this.settings.rhs_margin)this.element.find(".mergely-margin:last-child").insertAfter(this.element.find(".mergely-canvas"));else{var b=this.element.find(".mergely-margin").last();b.appendTo(b.parent())}this.settings.hasOwnProperty("sidebar")&&(this.settings.sidebar?this.element.find(".mergely-margin").css({display:"block"}):this.element.find(".mergely-margin").css({display:"none"}));var d,e;this.settings.hasOwnProperty("wrap_lines")&&this.editor&&(d=this.editor[this.id+"-lhs"],e=this.editor[this.id+"-rhs"],d.setOption("lineWrapping",this.settings.wrap_lines),e.setOption("lineWrapping",this.settings.wrap_lines)),this.settings.hasOwnProperty("line_numbers")&&this.editor&&(d=this.editor[this.id+"-lhs"],e=this.editor[this.id+"-rhs"],d.setOption("lineNumbers",this.settings.line_numbers),e.setOption("lineNumbers",this.settings.line_numbers))},options:function(a){return a?(this._setOptions(a),this.settings.autoresize&&this.resize(),this.settings.autoupdate&&this.update(),void 0):this.settings},swap:function(){if(!this.lhs_cmsettings.readOnly&&!this.rhs_cmsettings.readOnly){var a=this.editor[this.id+"-lhs"],b=this.editor[this.id+"-rhs"],c=b.getValue();b.setValue(a.getValue()),a.setValue(c)}},merge:function(a){var b=this.editor[this.id+"-lhs"],c=this.editor[this.id+"-rhs"];"lhs"!=a||this.lhs_cmsettings.readOnly?this.rhs_cmsettings.readOnly||c.setValue(b.getValue()):b.setValue(c.getValue())},get:function(a){var b=this.editor[this.id+"-"+a],c=b.getValue();return void 0==c?"":c},clear:function(a){if(!("lhs"==a&&this.lhs_cmsettings.readOnly||"rhs"==a&&this.rhs_cmsettings.readOnly)){var b=this.editor[this.id+"-"+a];b.setValue("")}},cm:function(a){return this.editor[this.id+"-"+a]},search:function(a,b,c){var f,d=this.editor[this.id+"-lhs"],e=this.editor[this.id+"-rhs"];f="lhs"==a?d:e,c="prev"==c?"findPrevious":"findNext",(0==f.getSelection().length||this.prev_query[a]!=b)&&(this.cursor[this.id]=f.getSearchCursor(b,{line:0,ch:0},!1),this.prev_query[a]=b);var g=this.cursor[this.id];g[c]()?f.setSelection(g.from(),g.to()):g=f.getSearchCursor(b,{line:0,ch:0},!1)},resize:function(){this.settings.resize(),this._changing(this.id+"-lhs",this.id+"-rhs"),this._set_top_offset(this.id+"-lhs")},diff:function(){var a=this.editor[this.id+"-lhs"].getValue(),b=this.editor[this.id+"-rhs"].getValue(),c=new e.diff(a,b,this.settings);return c.normal_form()},bind:function(b){function r(a,b,d){if(!(d.target&&c(d.target).closest(".merge-button").length>0)){var e,f;for(e=0;e<this.changes.length;e++)if(f=this.changes[e],b>=f[a+"-line-from"]&&b<=f[a+"-line-to"]){this._current_diff=e,setTimeout(function(){this.scrollToDiff()}.bind(this),10);break}}}this.element.hide(),this.id=c(b).attr("id"),this.changed_timeout=null,this.chfns={},this.chfns[this.id+"-lhs"]=[],this.chfns[this.id+"-rhs"]=[],this.prev_query=[],this.cursor=[],this._skipscroll={},this.change_exp=new RegExp(/(\d+(?:,\d+)?)([acd])(\d+(?:,\d+)?)/);var e,f;if(void 0!=c.button)e='<button title="Merge left"></button>',f='<button title="Merge right"></button>';else{var g="opacity:0.4;width:10px;height:15px;background-color:#888;cursor:pointer;text-align:center;color:#eee;border:1px solid: #222;margin-right:5px;margin-top: -2px;";e='<div style="'+g+'" title="Merge left">&lt;</div>',f='<div style="'+g+'" title="Merge right">&gt;</div>'}this.merge_rhs_button=c(f),this.merge_lhs_button=c(e);var h=this.settings.editor_height,i=this.settings.editor_width;this.element.append(c('<div class="mergely-margin" style="height: '+h+'"><canvas id="'+this.id+'-lhs-margin" width="8px" height="'+h+'"></canvas></div>')),this.element.append(c('<div style="position:relative;width:'+i+"; height:"+h+'" id="'+this.id+'-editor-lhs" class="mergely-column"><textarea style="" id="'+this.id+'-lhs"></textarea></div>')),this.element.append(c('<div class="mergely-canvas" style="height: '+h+'"><canvas id="'+this.id+"-lhs-"+this.id+'-rhs-canvas" style="width:28px" width="28px" height="'+h+'"></canvas></div>'));var j=c('<div class="mergely-margin" style="height: '+h+'"><canvas id="'+this.id+'-rhs-margin" width="8px" height="'+h+'"></canvas></div>');this.settings.sidebar||this.element.find(".mergely-margin").css({display:"none"}),"left"==this.settings.rhs_margin&&this.element.append(j),this.element.append(c('<div style="width:'+i+"; height:"+h+'" id="'+this.id+'-editor-rhs" class="mergely-column"><textarea style="" id="'+this.id+'-rhs"></textarea></div>')),"left"!=this.settings.rhs_margin&&this.element.append(j);var k=c('<div style="display:none" class="mergely current start" />').appendTo("body").css("border-top-color");this.current_diff_color=k;var l="#"+this.id+" .CodeMirror-gutter-text { padding: 5px 0 0 0; }#"+this.id+" .CodeMirror-lines pre, #"+this.id+" .CodeMirror-gutter-text pre { line-height: 18px; }.CodeMirror-linewidget { overflow: hidden; };";this.settings.autoresize&&(l+=this.id+" .CodeMirror-scroll { height: 100%; overflow: auto; }"),l+="\n.CodeMirror { line-height: 18px; }",c('<style type="text/css">'+l+"</style>").appendTo("head");var m=this.element.find("#"+this.id+"-rhs").get(0);if(!m)return void console.error("rhs textarea not defined - Mergely not initialized properly");var n=this.element.find("#"+this.id+"-lhs").get(0);if(!m)return void console.error("lhs textarea not defined - Mergely not initialized properly");var o=this;if(this.editor=[],this.editor[this.id+"-lhs"]=d.fromTextArea(n,this.lhs_cmsettings),this.editor[this.id+"-rhs"]=d.fromTextArea(m,this.rhs_cmsettings),this.editor[this.id+"-lhs"].on("change",function(){o.settings.autoupdate&&o._changing(o.id+"-lhs",o.id+"-rhs")}),this.editor[this.id+"-lhs"].on("scroll",function(){o._scrolling(o.id+"-lhs")}),this.editor[this.id+"-rhs"].on("change",function(){o.settings.autoupdate&&o._changing(o.id+"-lhs",o.id+"-rhs")}),this.editor[this.id+"-rhs"].on("scroll",function(){o._scrolling(o.id+"-rhs")}),this.settings.autoresize){var p=null,q=function(a){o.settings.resize&&o.settings.resize(a),o.editor[o.id+"-lhs"].refresh(),o.editor[o.id+"-rhs"].refresh(),o.settings.autoupdate&&o._changing(o.id+"-lhs",o.id+"-rhs")};c(a).on("resize.mergely",function(){p&&clearTimeout(p),p=setTimeout(q,o.settings.resize_timeout)}),q(!0)}this.editor[this.id+"-lhs"].on("gutterClick",function(a,b,c,d){r.call(this,"lhs",b,d)}.bind(this)),this.editor[this.id+"-rhs"].on("gutterClick",function(a,b,c,d){r.call(this,"rhs",b,d)}.bind(this));var s;this.settings.lhs&&(s=this.editor[this.id+"-lhs"].getDoc().setValue,this.settings.lhs(s.bind(this.editor[this.id+"-lhs"].getDoc()))),this.settings.rhs&&(s=this.editor[this.id+"-rhs"].getDoc().setValue,this.settings.rhs(s.bind(this.editor[this.id+"-rhs"].getDoc())))},_scroll_to_change:function(a){if(a){var b=this,c=b.editor[b.id+"-lhs"],d=b.editor[b.id+"-rhs"];c.setCursor(Math.max(a["lhs-line-from"],0),0),d.setCursor(Math.max(a["rhs-line-from"],0),0),c.scrollIntoView({line:a["lhs-line-to"]})}},_scrolling:function(a){if(this._skipscroll[a]===!0)return void(this._skipscroll[a]=!1);var b=c(this.editor[a].getScrollerElement());void 0==this.midway&&(this.midway=(b.height()/2+b.offset().top).toFixed(2));var d=this.editor[a].coordsChar({left:0,top:this.midway}),f=b.scrollTop(),g=b.scrollLeft();this.trace("scroll","side",a),this.trace("scroll","midway",this.midway),this.trace("scroll","midline",d),this.trace("scroll","top_to",f),this.trace("scroll","left_to",g);var h=this.id+"-lhs",i=this.id+"-rhs";for(var j in this.editor)if(this.editor.hasOwnProperty(j)&&a!=j){for(var k=a.replace(this.id+"-",""),l=j.replace(this.id+"-",""),m=0,n=null,o=!1,p=0;p<this.changes.length;++p){var q=this.changes[p];d.line>=q[k+"-line-from"]&&(n=q,d.line>=n[k+"-line-to"]&&(q.hasOwnProperty(k+"-y-start")&&q.hasOwnProperty(k+"-y-end")&&q.hasOwnProperty(l+"-y-start")&&q.hasOwnProperty(l+"-y-end")?m+=q[k+"-y-end"]-q[k+"-y-start"]-(q[l+"-y-end"]-q[l+"-y-start"]):o=!0))}var r=this.editor[j].getViewport(),s=!0;if(n&&(this.trace("scroll","last change before midline",n),d.line>=r.from&&d<=r.to&&(s=!1)),this.trace("scroll","scroll",s),s||o?(this.trace("scroll","scrolling other side",f-m),this._skipscroll[j]=!0,this.editor[j].scrollTo(g,f-m)):this.trace("scroll","not scrolling other side"),this.settings.autoupdate){var t=new e.Timer;this._calculate_offsets(h,i,this.changes),this.trace("change","offsets time",t.stop()),this._markup_changes(h,i,this.changes),this.trace("change","markup time",t.stop()),this._draw_diff(h,i,this.changes),this.trace("change","draw time",t.stop())}this.trace("scroll","scrolled")}},_changing:function(a,b){this.trace("change","changing-timeout",this.changed_timeout);var c=this;null!=this.changed_timeout&&clearTimeout(this.changed_timeout),this.changed_timeout=setTimeout(function(){var d=new e.Timer;c._changed(a,b),c.trace("change","total time",d.stop())},this.settings.change_timeout)},_changed:function(a,b){this._clear(),this._diff(a,b)},_clear:function(){var b,c,d,f,g,h,i,a=this,j=function(){for(f=new e.Timer,g=0,i=c.lineCount();i>g;++g)c.removeLineClass(g,"background");for(g=0;g<d.length;++g)h=d[g],h.lines.length&&a.trace("change","clear text",h.lines[0].text),h.clear();c.clearGutter("merge"),a.trace("change","clear time",f.stop())};for(b in this.editor)this.editor.hasOwnProperty(b)&&(c=this.editor[b],d=a.chfns[b],c.operation(j));a.chfns[b]=[];var k=this._draw_info(this.id+"-lhs",this.id+"-rhs"),l=k.clhs.get(0).getContext("2d"),m=k.crhs.get(0).getContext("2d"),n=k.dcanvas.getContext("2d");l.beginPath(),l.fillStyle=this.settings.bgcolor,l.strokeStyle="#888",l.fillRect(0,0,6.5,k.visible_page_height),l.strokeRect(0,0,6.5,k.visible_page_height),m.beginPath(),m.fillStyle=this.settings.bgcolor,m.strokeStyle="#888",m.fillRect(0,0,6.5,k.visible_page_height),m.strokeRect(0,0,6.5,k.visible_page_height),n.beginPath(),n.fillStyle="#fff",n.fillRect(0,0,this.draw_mid_width,k.visible_page_height)},_diff:function(a,b){var c=this.editor[a].getValue(),d=this.editor[b].getValue(),f=new e.Timer,g=new e.diff(c,d,this.settings);this.trace("change","diff time",f.stop()),this.changes=e.DiffParser(g.normal_form()),this.trace("change","parse time",f.stop()),void 0===this._current_diff&&this.changes.length&&(this._current_diff=0,this._scroll_to_change(this.changes[0])),this.trace("change","scroll_to_change time",f.stop()),this._calculate_offsets(a,b,this.changes),this.trace("change","offsets time",f.stop()),this._markup_changes(a,b,this.changes),this.trace("change","markup time",f.stop()),this._draw_diff(a,b,this.changes),this.trace("change","draw time",f.stop())},_parse_diff:function(a,b,c){this.trace("diff","diff results:\n",c);for(var d=[],e=0,f=c.split(/\n/),g=0;g<f.length;++g)if(0!=f[g].length){var h={},i=this.change_exp.exec(f[g]);if(null!=i){var j=i[1].split(",");h["lhs-line-from"]=j[0]-1,1==j.length?h["lhs-line-to"]=j[0]-1:h["lhs-line-to"]=j[1]-1;var k=i[3].split(",");h["rhs-line-from"]=k[0]-1,1==k.length?h["rhs-line-to"]=k[0]-1:h["rhs-line-to"]=k[1]-1,h["lhs-line-from"]<0&&(h["lhs-line-from"]=0),h["lhs-line-to"]<0&&(h["lhs-line-to"]=0),h["rhs-line-from"]<0&&(h["rhs-line-from"]=0),h["rhs-line-to"]<0&&(h["rhs-line-to"]=0),h.op=i[2],d[e++]=h,this.trace("diff","change",h)}}return d},_get_viewport:function(a,b){var c=this.editor[a].getViewport(),d=this.editor[b].getViewport();return{from:Math.min(c.from,d.from),to:Math.max(c.to,d.to)}},_is_change_in_view:function(a,b){return this.settings.viewport&&(b["lhs-line-from"]<a.from&&b["lhs-line-to"]<a.to||b["lhs-line-from"]>a.from&&b["lhs-line-to"]>a.to||b["rhs-line-from"]<a.from&&b["rhs-line-to"]<a.to||b["rhs-line-from"]>a.from&&b["rhs-line-to"]>a.to)?!1:!0},_set_top_offset:function(a){var b=this.editor[a].getScrollInfo().top;this.editor[a].scrollTo(null,0);var c=this.element.find(".CodeMirror-measure").first(),d=c.offset().top-4;return d?(this.editor[a].scrollTo(null,b),this.draw_top_offset=.5-d,!0):!1},_calculate_offsets:function(a,b,d){if(null==this.em_height){if(!this._set_top_offset(a))return;this.em_height=this.editor[a].defaultTextHeight(),this.em_height||(console.warn("Failed to calculate offsets, using 18 by default"),this.em_height=18),this.draw_lhs_min=.5;var e=c("#"+a+"-"+b+"-canvas");if(e.length||console.error("failed to find canvas","#"+a+"-"+b+"-canvas"),!e.width())return void console.error("canvas width is 0");this.draw_mid_width=c("#"+a+"-"+b+"-canvas").width(),this.draw_rhs_max=this.draw_mid_width-.5,this.draw_lhs_width=5,this.draw_rhs_width=5,this.trace("calc","change offsets calculated",{top_offset:this.draw_top_offset,lhs_min:this.draw_lhs_min,rhs_max:this.draw_rhs_max,lhs_width:this.draw_lhs_width,rhs_width:this.draw_rhs_width})}for(var f=this.editor[a].charCoords({line:0}),g=this.editor[b].charCoords({line:0}),h=this._get_viewport(a,b),i=0;i<d.length;++i){var j=d[i];if(this.settings.sidebar||this._is_change_in_view(h,j)){var o,p,q,r,s,t,u,v,w,x,k=j["lhs-line-from"]>=0?j["lhs-line-from"]:0,l=j["lhs-line-to"]>=0?j["lhs-line-to"]:0,m=j["rhs-line-from"]>=0?j["rhs-line-from"]:0,n=j["rhs-line-to"]>=0?j["rhs-line-to"]:0;this.editor[a].getOption("lineWrapping")||this.editor[b].getOption("lineWrapping")?(s=this.editor[a].cursorCoords({line:k,ch:0},"page"),v=this.editor[a].getLineHandle(k),o={top:s.top,bottom:s.top+v.height},t=this.editor[a].cursorCoords({line:l,ch:0},"page"),u=this.editor[a].getLineHandle(l),p={top:t.top,bottom:t.top+u.height},s=this.editor[b].cursorCoords({line:m,ch:0},"page"),w=this.editor[b].getLineHandle(m),q={top:s.top,bottom:s.top+w.height},t=this.editor[b].cursorCoords({line:n,ch:0},"page"),x=this.editor[b].getLineHandle(n),r={top:t.top,bottom:t.top+x.height}):(o={top:f.top+k*this.em_height,bottom:f.bottom+k*this.em_height+2},p={top:f.top+l*this.em_height,bottom:f.bottom+l*this.em_height+2},q={top:g.top+m*this.em_height,bottom:g.bottom+m*this.em_height+2},r={top:g.top+n*this.em_height,bottom:g.bottom+n*this.em_height+2}),"a"==j.op?m>0&&(o.top=o.bottom,o.bottom+=this.em_height,p=o):"d"==j.op&&k>0&&(q.top=q.bottom,q.bottom+=this.em_height,r=q),j["lhs-y-start"]=this.draw_top_offset+o.top,"c"==j.op||"d"==j.op?j["lhs-y-end"]=this.draw_top_offset+p.bottom:j["lhs-y-end"]=this.draw_top_offset+p.top,j["rhs-y-start"]=this.draw_top_offset+q.top,"c"==j.op||"a"==j.op?j["rhs-y-end"]=this.draw_top_offset+r.bottom:j["rhs-y-end"]=this.draw_top_offset+r.top,this.trace("calc","change calculated",i,j)}else delete j["lhs-y-start"],delete j["lhs-y-end"],delete j["rhs-y-start"],delete j["rhs-y-end"]}return d},_markup_changes:function(a,b,d){this.element.find(".merge-button").remove();var f=this,g=this.editor[a],h=this.editor[b],i=this._current_diff,j=new e.Timer;g.operation(function(){for(var a=0;a<d.length;++a){var b=d[a],c=b["lhs-line-from"]>=0?b["lhs-line-from"]:0,e=b["lhs-line-to"]>=0?b["lhs-line-to"]:0,j=b["rhs-line-from"]>=0?b["rhs-line-from"]:0,l=(b["rhs-line-to"]>=0?b["rhs-line-to"]:0,["mergely","lhs",b.op,"cid-"+a]);if(g.addLineClass(c,"background","start"),g.addLineClass(e,"background","end"),i==a&&(c!=e&&g.addLineClass(c,"background","current"),g.addLineClass(e,"background","current")),0==c&&0==e&&0==j)g.addLineClass(c,"background",l.join(" ")),g.addLineClass(c,"background","first");else for(var m=c;e>=m;++m)g.addLineClass(m,"background",l.join(" ")),g.addLineClass(m,"background",l.join(" "));if(!h.getOption("readOnly")){var n=f.merge_rhs_button.clone();n.button&&n.button({icons:{primary:"ui-icon-triangle-1-e"},text:!1}),n.addClass("merge-button"),n.attr("id","merge-rhs-"+a),g.setGutterMarker(c,"merge",n.get(0))}}});var k=this._get_viewport(a,b);this.trace("change","markup lhs-editor time",j.stop()),h.operation(function(){for(var a=0;a<d.length;++a){var b=d[a],c=b["lhs-line-from"]>=0?b["lhs-line-from"]:0,j=(b["lhs-line-to"]>=0?b["lhs-line-to"]:0,b["rhs-line-from"]>=0?b["rhs-line-from"]:0),l=b["rhs-line-to"]>=0?b["rhs-line-to"]:0;if(f._is_change_in_view(k,b)){var m=["mergely","rhs",b.op,"cid-"+a];if(h.addLineClass(j,"background","start"),h.addLineClass(l,"background","end"),i==a&&(j!=l&&h.addLineClass(j,"background","current"),h.addLineClass(l,"background","current")),0==j&&0==l&&0==c)h.addLineClass(j,"background",m.join(" ")),h.addLineClass(j,"background","first");else for(var n=j;l>=n;++n)h.addLineClass(n,"background",m.join(" ")),h.addLineClass(n,"background",m.join(" "));if(!g.getOption("readOnly")){var o=f.merge_lhs_button.clone();o.button&&o.button({icons:{primary:"ui-icon-triangle-1-w"},text:!1}),o.addClass("merge-button"),o.attr("id","merge-lhs-"+a),h.setGutterMarker(j,"merge",o.get(0))}}}}),this.trace("change","markup rhs-editor time",j.stop());var m,n,o,p,l=[];for(m=0;this.settings.lcs&&m<d.length;++m){var q=d[m],r=q["lhs-line-from"]>=0?q["lhs-line-from"]:0,s=q["lhs-line-to"]>=0?q["lhs-line-to"]:0,t=q["rhs-line-from"]>=0?q["rhs-line-from"]:0,u=q["rhs-line-to"]>=0?q["rhs-line-to"]:0;if(this._is_change_in_view(k,q))if("d"==q.op){var v=r,w=s,x=g.lineInfo(w);x&&l.push([g,{line:v,ch:0},{line:w,ch:x.text.length},{className:"mergely ch d lhs"}])}else if("c"==q.op)for(n=r,o=t,p=0;n>=0&&s>=n||o>=0&&u>=o;++n,++o){var y,z;if(o+p>u)y=g.getLine(n),l.push([g,{line:n,ch:0},{line:n,ch:y.length},{className:"mergely ch d lhs"}]);else if(n+p>s)z=h.getLine(o),l.push([h,{line:o,ch:0},{line:o,ch:z.length},{className:"mergely ch a rhs"}]);else{y=g.getLine(n),z=h.getLine(o);var A=new e.LCS(y,z);A.diff(function(a,b){l.push([h,{line:o,ch:a},{line:o,ch:b},{className:"mergely ch a rhs"}])},function(a,b){l.push([g,{line:n,ch:a},{line:n,ch:b},{className:"mergely ch d lhs"}])})}}}this.trace("change","LCS marktext time",j.stop()),g.operation(function(){for(var a=0;a<l.length;++a){var b=l[a];b[0].doc.id==g.getDoc().id&&f.chfns[f.id+"-lhs"].push(b[0].markText(b[1],b[2],b[3]))}}),h.operation(function(){for(var a=0;a<l.length;++a){var b=l[a];b[0].doc.id==h.getDoc().id&&f.chfns[f.id+"-rhs"].push(b[0].markText(b[1],b[2],b[3]))}}),this.trace("change","LCS markup time",j.stop());var B={lhs:g,rhs:h};this.element.find(".merge-button").on("click",function(a){var b="rhs",d="lhs",e=c(this).parents("#"+f.id+"-editor-lhs");e.length&&(b="lhs",d="rhs");var g=B[b].coordsChar({left:a.pageX,top:a.pageY}),h=null,i=B[b].lineInfo(g.line);c.each(i.bgClass.split(" "),function(a,b){return 0==b.indexOf("cid-")?(h=parseInt(b.split("-")[1],10),!1):void 0});var j=f.changes[h];return f._merge_change(j,b,d),!1});var C=c("#mergely-lhs ~ .CodeMirror").find(".CodeMirror-linenumber"),D=c("#mergely-rhs ~ .CodeMirror").find(".CodeMirror-linenumber");D.removeClass("mergely current"),C.removeClass("mergely current");for(var m=0;m<d.length;++m){if(i==m&&"d"!==q.op){var n,q=d[m],E=q["rhs-line-from"],F=q["rhs-line-to"]+1;for(n=E;F>n;n++){var G=(n+1).toString();D.filter(function(a,b){return c(b).text()===G}).addClass("mergely current")}}if(i==m&&"a"!==q.op){var q=d[m];for(E=q["lhs-line-from"],F=q["lhs-line-to"]+1,n=E;F>n;n++){var G=(n+1).toString();C.filter(function(a,b){return c(b).text()===G}).addClass("mergely current")}}}this.trace("change","markup buttons time",j.stop())},_merge_change:function(a,b,c){if(a){var h,i,j,e=this.editor[this.id+"-lhs"],f=this.editor[this.id+"-rhs"],g={lhs:e,rhs:f},k=g[b].getRange(d.Pos(a[b+"-line-from"],0),d.Pos(a[b+"-line-to"]+1,0));if("c"==a.op)g[c].replaceRange(k,d.Pos(a[c+"-line-from"],0),d.Pos(a[c+"-line-to"]+1,0));else if("rhs"==b)if("a"==a.op)g[c].replaceRange(k,d.Pos(a[c+"-line-from"]+1,0),d.Pos(a[c+"-line-to"]+1,0));else for(i=parseInt(a[c+"-line-from"],10),j=parseInt(a[c+"-line-to"],10),h=j;h>=i;--h)g[c].setCursor({line:h,ch:-1}),g[c].execCommand("deleteLine");else if("lhs"==b)if("a"==a.op)for(i=parseInt(a[c+"-line-from"],10),j=parseInt(a[c+"-line-to"],10),h=j;h>=i;--h)g[c].setCursor({line:h,ch:-1}),g[c].execCommand("deleteLine");else g[c].replaceRange(k,d.Pos(a[c+"-line-from"]+1,0));g.lhs.setValue(g.lhs.getValue()),g.rhs.setValue(g.rhs.getValue()),this._scroll_to_change(a)}},_draw_info:function(a,d){var e=c(this.editor[a].getScrollerElement()).height(),f=c(this.editor[a].getScrollerElement()).children(":first-child").height(),g=b.getElementById(a+"-"+d+"-canvas");if(void 0==g)throw"Failed to find: "+a+"-"+d+"-canvas";var h=this.element.find("#"+this.id+"-lhs-margin"),i=this.element.find("#"+this.id+"-rhs-margin");return{visible_page_height:e,gutter_height:f,visible_page_ratio:e/f,margin_ratio:e/f,lhs_scroller:c(this.editor[a].getScrollerElement()),rhs_scroller:c(this.editor[d].getScrollerElement()),lhs_lines:this.editor[a].lineCount(),rhs_lines:this.editor[d].lineCount(),dcanvas:g,clhs:h,crhs:i,lhs_xyoffset:c(h).offset(),rhs_xyoffset:c(i).offset()}},_draw_diff:function(a,b,d){var e=this._draw_info(a,b),f=e.clhs.get(0),g=e.crhs.get(0),h=e.dcanvas.getContext("2d"),i=f.getContext("2d"),j=g.getContext("2d");this.trace("draw","visible_page_height",e.visible_page_height),this.trace("draw","gutter_height",e.gutter_height),this.trace("draw","visible_page_ratio",e.visible_page_ratio),this.trace("draw","lhs-scroller-top",e.lhs_scroller.scrollTop()),this.trace("draw","rhs-scroller-top",e.rhs_scroller.scrollTop()),c.each(this.element.find("canvas"),function(){c(this).get(0).height=e.visible_page_height}),e.clhs.unbind("click"),e.crhs.unbind("click"),i.beginPath(),i.fillStyle=this.settings.bgcolor,i.strokeStyle="#888",i.fillRect(0,0,6.5,e.visible_page_height),i.strokeRect(0,0,6.5,e.visible_page_height),j.beginPath(),j.fillStyle=this.settings.bgcolor,j.strokeStyle="#888",j.fillRect(0,0,6.5,e.visible_page_height),j.strokeRect(0,0,6.5,e.visible_page_height);for(var k=this._get_viewport(a,b),l=0;l<d.length;++l){var m=d[l],n=this.settings.fgcolor[m.op];this._current_diff===l&&(n=this.current_diff_color),this.trace("draw",m);var o=(m["lhs-y-start"]+e.lhs_scroller.scrollTop())*e.visible_page_ratio,p=(m["lhs-y-end"]+e.lhs_scroller.scrollTop())*e.visible_page_ratio+1,q=(m["rhs-y-start"]+e.rhs_scroller.scrollTop())*e.visible_page_ratio,r=(m["rhs-y-end"]+e.rhs_scroller.scrollTop())*e.visible_page_ratio+1;if(this.trace("draw","marker calculated",o,p,q,r),i.beginPath(),i.fillStyle=n,i.strokeStyle="#000",i.lineWidth=.5,i.fillRect(1.5,o,4.5,Math.max(p-o,5)),i.strokeRect(1.5,o,4.5,Math.max(p-o,5)),j.beginPath(),j.fillStyle=n,j.strokeStyle="#000",j.lineWidth=.5,j.fillRect(1.5,q,4.5,Math.max(r-q,5)),j.strokeRect(1.5,q,4.5,Math.max(r-q,5)),this._is_change_in_view(k,m)){o=m["lhs-y-start"],p=m["lhs-y-end"],q=m["rhs-y-start"],r=m["rhs-y-end"];var s=3;h.beginPath(),h.strokeStyle=n,h.lineWidth=this._current_diff==l?1.5:1;var t=this.draw_lhs_width,u=p-o-1,v=this.draw_lhs_min,w=o;h.moveTo(v,w),"Microsoft Internet Explorer"==navigator.appName?(h.lineTo(this.draw_lhs_min+this.draw_lhs_width,o),h.lineTo(this.draw_lhs_min+this.draw_lhs_width,p+1),h.lineTo(this.draw_lhs_min,p+1)):(0>=u?h.lineTo(v+t,w):(h.arcTo(v+t,w,v+t,w+s,s),h.arcTo(v+t,w+u,v+t-s,w+u,s)),h.lineTo(v,w+u)),h.stroke(),t=this.draw_rhs_width,u=r-q-1,v=this.draw_rhs_max,w=q,h.moveTo(v,w),"Microsoft Internet Explorer"==navigator.appName?(h.lineTo(this.draw_rhs_max-this.draw_rhs_width,q),h.lineTo(this.draw_rhs_max-this.draw_rhs_width,r+1),h.lineTo(this.draw_rhs_max,r+1)):(0>=u?h.lineTo(v-t,w):(h.arcTo(v-t,w,v-t,w+s,s),h.arcTo(v-t,w+u,v-s,w+u,s)),h.lineTo(v,w+u)),h.stroke();var x=this.draw_lhs_min+this.draw_lhs_width,y=o+(p+1-o)/2,z=this.draw_rhs_max-this.draw_rhs_width,A=q+(r+1-q)/2;h.moveTo(x,y),y==A?h.lineTo(z,A):h.bezierCurveTo(x+12,y-3,z-12,A-3,z,A),h.stroke()}}i.fillStyle=this.settings.vpcolor,j.fillStyle=this.settings.vpcolor;var B=e.clhs.height()*e.visible_page_ratio,C=e.lhs_scroller.scrollTop()/e.gutter_height*e.clhs.height(),D=e.crhs.height()*e.visible_page_ratio,E=e.rhs_scroller.scrollTop()/e.gutter_height*e.crhs.height();
this.trace("draw","cls.height",e.clhs.height()),this.trace("draw","lhs_scroller.scrollTop()",e.lhs_scroller.scrollTop()),this.trace("draw","gutter_height",e.gutter_height),this.trace("draw","visible_page_ratio",e.visible_page_ratio),this.trace("draw","lhs from",C,"lhs to",B),this.trace("draw","rhs from",E,"rhs to",D),i.fillRect(1.5,C,4.5,B),j.fillRect(1.5,E,4.5,D),e.clhs.click(function(a){var b=a.pageY-e.lhs_xyoffset.top-B/2,c=Math.max(0,b/f.height*e.lhs_scroller.get(0).scrollHeight);e.lhs_scroller.scrollTop(c)}),e.crhs.click(function(a){var b=a.pageY-e.rhs_xyoffset.top-D/2,c=Math.max(0,b/g.height*e.rhs_scroller.get(0).scrollHeight);e.rhs_scroller.scrollTop(c)})},trace:function(a){this.settings._debug.indexOf(a)>=0&&(arguments[0]=a+":",console.log([].slice.apply(arguments)))}}),c.pluginMaker=function(a){c.fn[a.prototype.name]=function(b){var f,d=c.makeArray(arguments),e=d.slice(1);return this.each(function(){var g=c.data(this,a.prototype.name);if(g){if("string"==typeof b)f=g[b].apply(g,e);else if(g.update)return g.update.apply(g,d)}else{new a(this,b)}}),void 0!=f?f:void 0}},c.pluginMaker(e.mergely)}(window,document,jQuery,CodeMirror);