Probability-and-Statistics-Notes/_static/420.c6d66adb2d61ad16.js

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(self.webpackChunkWebComponents=self.webpackChunkWebComponents||[]).push([[420],{29119:(e,t,i)=>{"use strict";(0,i(54250).Hh)({"sr-Cyrl":{msg_parson_check_me:"Провери",msg_parson_reset:"Поништи",msg_parson_help:"Помоћ",msg_parson_too_short:"Искористи све блокове у решењу",msg_parson_drag_from_here:"Превуци одавде",msg_parson_drag_to_here:"Превуци овде",msg_parson_correct_first_try:"Одлично! Успео си из првог покушаја!",msg_parson_correct:"Одлично! Решио си у само $1 покушаја. Одабери Поништи ако желиш да решиш из првог покушаја.",msg_parson_wrong_indent:"Овај блок није тачно увучен. Превуци га лево или десно да пронађеш прави ниво.",msg_parson_wrong_indents:"Ови блокви нису тачно увучени. Превуци их лево или десно да им пронађеш прави ниво.",msg_parson_wrong_order:"Означени блокови у твом програму су нетачни или у погрешном редоследу. Промени редослед или избаци блок из решења.",msg_parson_arrow_navigate:"Користи стрелице за кретње а Спејс да означииш блок који помераш.",msg_parson_help_info:"Одабери Помоћ ако желиш да олакшаш задатак",msg_parson_not_solution:"Одстранили смо блок који није део решења.",msg_parson_provided_indent:"Увукли смо блок.",msg_parson_combined_blocks:"Спојили смо два блока.",msg_parson_remove_incorrect:"Уклонићемо нетачне блокове из одговора.",msg_parson_will_combine:"Спојићемо два блока.",msg_parson_atleast_three_attempts:"Мораш пробати бар 3 могућа решења пре него што погледаш помоћ.",msg_parson_three_blocks_left:"Остало је још 3 тачна блока.  Пронађи им редослед.",msg_parson_will_provide_indent:"Увућићемо блок."}})},52420:(e,t,i)=>{"use strict";i.r(t),i.d(t,{default:()=>C});var s=i(78673),n=i(54250),r=i(34089);i(75794),i(56906),i(29119),i(78811);class o{constructor(e){this.problem=e}inverseLISIndices(e){for(var t=[],i=0;i<e.length;i++){for(var s=[e[i]],n=0;n<i;n++)e[n]<e[i]&&t[n].length+1>s.length&&(s=t[n].concat(e[i]));t.push(s)}var r,o=-1;for(let e in t){var a=t[e];a.length>o&&(o=a.length,r=a)}var l=[],h=0;for(let t=0;t<e.length;t++)h>r.length?l.push(t):e[t]==r[h]?h+=1:l.push(t);return l}grade(){var e=this.problem;e.clearFeedback(),this.correctLines=0,this.percentLines=0,this.incorrectIndents=0;var t,i=e.solution,s=e.answerLines();this.percentLines=Math.min(s.length,i.length)/Math.max(s.length,i.length),s.length<i.length?(t="incorrectTooShort",this.correctLength=!1):s.length==i.length?this.correctLength=!0:(t="incorrectMoveBlocks",this.correctLength=!1);let n=this.checkCorrectOrdering(i,s);return this.checkCorrectIndentation(i,s)&&n&&this.correctLength?t="correct":this.correctLength&&n?t="incorrectIndent":n||"incorrectTooShort"==t||(t="incorrectMoveBlocks"),this.calculatePercent(),this.graderState=t,t}checkCorrectIndentation(e,t){if(!this.problem.usesIndentation())return!0;this.indentLeft=[],this.indentRight=[];let i=Math.min(e.length,t.length);for(let s=0;s<i;s++)t[s].viewIndent()<e[s].indent?this.indentRight.push(t[s]):t[s].viewIndent()>e[s].indent&&this.indentLeft.push(t[s]);return this.incorrectIndents=this.indentLeft.length+this.indentRight.length,0==this.incorrectIndents}checkCorrectOrdering(e,t){let i=!0;this.correctLines=0,this.solutionLength=e.length;let s=Math.min(e.length,t.length);for(let n=0;n<s;n++)t[n].text!==e[n].text?i=!1:this.correctLines+=1;return i}calculatePercent(){let e=.2*this.percentLines,t=this.problem.answerLines().length,i=e+this.correctLines/t*.4+(this.correctLines-this.incorrectIndents)/t*.4;i=Math.max(i,0),this.problem.percent=i}}function a(e,{source:t,target:i}){try{!function(e,t,i){for(var[s,n,r]=function(e,t,i){if((s=t)===(n=i)||"object"==typeof s&&s.toString()===n.toString())return[new Map([[t,null]]),new Map([[i,null]]),t];var s,n,r,o;r=e.predecessorsIter.bind(e),o=e.successorsIter.bind(e);for(var a,l=new Map([[t,null]]),h=new Map([[i,null]]),c=[t],d=[i];c.length>0&&d.length>0;)if(c.length<=d.length){a=c,c=[];for(let e of a)for(let t of o(e))if(l.has(t)||(c.push(t),l.set(t,e)),h.has(t))return[l,h,t]}else{a=d,d=[];for(let e of a)for(let t of r(e))if(h.has(t)||(d.push(t),h.set(t,e)),l.has(t))return[l,h,t]}throw new p("No path between "+t.toString()+" and "+i.toString()+".")}(e,t,i),o=[];null!=r;)o.push(r),r=s.get(r);for(r=n.get(o[0]),o.reverse();null!=r;)o.push(r),r=n.get(r)}(e,t,i)}catch(e){if(e instanceof p)return!1;throw e}return!0}class l{constructor(){this.graph={},this.node=new Map,this.adj=new Map,this.pred=new Map,this.succ=this.adj,this.edge=this.adj}addNode(e){this.succ.has(e)||(this.succ.set(e,new Map),this.pred.set(e,new Map),this.node.set(e))}addEdge(e,t){this.succ.has(e)||(this.succ.set(e,new Map),this.pred.set(e,new Map),this.node.set(e,{})),this.succ.has(t)||(this.succ.set(t,new Map),this.pred.set(t,new Map),this.node.set(t,{}));var i=this.adj.get(e).get(t)||{};this.succ.get(e).set(t,i),this.pred.get(t).set(e,i)}nodes(e=!1){return Array.from(e?this.node.entries():this.node.keys())}edges(e,t=!1){return Array.from(this.edgesIter(e,t))}nodesIter(e=!1){return e?toIterator(this.node):this.node.keys()}get(e){var t=this.adj.get(e);if(void 0===t)throw new KeyError("Graph does not contain node "+e+".");return t}numberOfNodes(){return this.node.size}*nbunchIter(e){if(null==e)yield*this.adj.keys();else if(this.hasNode(e))yield e;else{var t=this.adj;try{for(var i of toIterator(e))t.has(i)&&(yield i)}catch(e){if(e instanceof TypeError)throw new d("nbunch is not a node or a sequence of nodes")}}}*edgesIter(e,t=!1){var i;for(var s of((!0===(i=e)||!1===i||function(e){return!!e&&"object"==typeof e}(i)&&"[object Boolean]"==Object.prototype.toString.call(i))&&(t=e,e=void 0),void 0===e?this.adj:mapIterator(this.nbunchIter(e),(e=>tuple2(e,this.adj.get(e))))))for(var n of s[1]){var r=[s[0],n[0]];t&&(r[2]=n[1]),yield r}}reverse(e=!0){var t;if(e)(t=new this.constructor(null,{name:"Reverse of ("+this.name+")"})).addNodesFrom(this),t.addEdgesFrom(mapIterator(this.edgesIter(null,!0),(e=>tuple3c(e[1],e[0],deepcopy(e[2]),e)))),t.graph=deepcopy(this.graph),t.node=deepcopy(this.node);else{var i=this.pred,s=this.succ;this.succ=i,this.pred=s,this.adj=this.succ,t=this}return t}successorsIter(e){var t=this.succ.get(e);if(void 0!==t)return t.keys();throw new d(sprintf('The node "%j" is not in the digraph.',e))}predecessorsIter(e){var t=this.pred.get(e);if(void 0!==t)return t.keys();throw new d(sprintf('The node "%j" is not in the digraph.',e))}successors(e){return Array.from(this.successorsIter(e))}predecessors(e){return Array.from(this.predecessorsIter(e))}}class h{constructor(e){this.name="JSNetworkXException",this.message=e}}class c extends h{constructor(e){super(e),this.name="JSNetworkXAlgorithmError"}}class d extends h{constructor(e){super(e),this.name="JSNetworkXError"}}class u extends c{constructor(e){super(e),this.name="JSNetworkXUnfeasible"}}class p extends u{constructor(e){super(e),this.name="JSNetworkXNoPath"}}function g(e){var t=new l;for(let i of e){t.addNode(i.tag);for(let e of i.depends)t.addEdge(e,i.tag)}return t}function v(e,t){for(let i of e.edges())if(!t.has(i[0])&&!t.has(i[1]))return!1;return!0}class f extends o{inverseLISIndices(e,t){var i=this.problem.solution,s=t.map((e=>e.lines[0]));let n=g(i),r=new Set,o=new l;for(let e of s){for(let t of r)a(n,{source:e.tag,target:t.tag})&&o.addEdge(e.tag,t.tag);r.add(e)}let h=null,c=function(e){let t={};for(let i=0;i<=e.length;i++)t[i]=[];for(let i=0;i<Math.pow(2,e.length);i++){let s=i.toString(2);for(;s.length<e.length;)s="0"+s;let n=new 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e=this.problem.blocks[i],t=0;t<e.lines.length;t++)if(e.lines[t]===this)return e}viewIndent(){if(this.problem.noindent)return this.indent;var e=this.block();return this.indent-e.solutionIndent()+e.indent}}var b=i(88210),w=i.n(b);const y=["indent1","indent2","indent3","indent4","indent5","indent6"];class k{constructor(e,t){this.problem=e,this.lines=t,this.indent=0,this.labels=[];var i=document.createElement("div");i.id=e.counterId+"-block-"+e.blockIndex,e.blockIndex+=1,i.classList.add("block");var s=t[0].indent;for(let e=1;e<t.length;e++)s=Math.min(s,t[e].indent);var n=document.createElement("div");n.classList.add("lines"),i.append(n);for(let i=0;i<t.length;i++){var r,o=t[i];r=e.noindent?o.indent:o.indent-s,o.view.classList.remove(...y),"natural"!=this.problem.options.language&&"math"!=this.problem.options.language&&r>0&&o.view.classList.add("indent"+r),n.appendChild(o.view)}var a=document.createElement("div");a.classList.add("labels"),"left"==this.problem.options.numbered?(n.classList.add("border_left"),i.prepend(a),i.style.justifyContent="flex-start"):"right"==this.problem.options.numbered&&(a.classList.add("border_left"),a.style.float="right",i.style.justifyContent="space-between",i.append(a)),this.view=i,this.isPlaceholder=!1}addLine(e){if(e.view.classList.remove(...y),this.problem.noindent)e.indent>0&&e.view.classList.add("indent"+e.indent);else{var t=this.lines,i=t[0].indent;for(let e=1;e<t.length;e++)i=Math.min(i,t[e].indent);if(i<e.indent)e.view.classList.add("indent"+(e.indent-i));else if(i>e.indent)for(let i=0;i<t.length;i++)t[i].view.classList.remove(...y),"natural"!==this.problem.options.language&&"math"!==this.problem.options.language&&t[i].view.classList.add("indent"+(t[i].indent-e.indent))}this.lines.push(e),this.view.querySelector(".lines").appendChild(e.view)}consumeBlock(e){for(let t=0;t<e.lines.length;t++)this.addLine(e.lines[t]);"0"==e.view.getAttribute("tabindex")&&this.makeTabIndex(),e.view.remove();var t=[];for(let i=0;i<this.problem.blocks.length;i++)this.problem.blocks[i]!==e&&t.push(this.problem.blocks[i]);for(let t=0;t<e.labels.length;t++)this.addLabel(e.labels[t][0],this.lines.length-e.lines.length+e.labels[t][1]);this.problem.blocks=t,this.problem.state=void 0,this.problem.updateView()}addIndent(){for(let t=0;t<this.lines.length;t++){var e=this.lines[t];e.indent>0&&(e.view.classList.remove(...y),e.view.classList.add("indent"+e.indent))}this.indent=0,this.view.style.paddingLeft="",this.view.style.width=this.problem.areaWidth-22+"px"}addLabel(e,t){var i=document.createElement("div");i.classList.add("block-label"),"right"==this.problem.options.numbered&&i.classList.add("right-label"),"left"==this.problem.options.numbered&&i.classList.add("left-label"),i.append(document.createTextNode(e)),this.view.querySelector(".labels").append(i),0!=this.labels.length&&(i.style.marginTop=(t-this.labels[this.labels.length-1][1]-1)*this.lines[t].view.offsetHeight+"px"),this.labels.push([e,t])}initializeInteractivity(){if(this.view.classList.contains("disabled"))return this;this.view.setAttribute("tabindex","-1"),this.hammer=new(w().Manager)(this.view,{recognizers:[[w().Pan,{direction:w().DIRECTION_ALL,threshold:0,pointers:1}]]});var e=this;this.hammer.on("panstart",(function(t){e.panStart(t)})),this.hammer.on("panend",(function(t){e.panEnd(t)})),this.hammer.on("panmove",(function(t){e.panMove(t)}))}enabled(){return null!==this.view.getAttribute("tabindex")}isDistractor(){return this.lines[0].distractor}inSourceArea(){var e=this.problem.sourceArea.childNodes;for(let t=0;t<e.length;t++)if(e[t].id==this.view.id)return!0;return!1}pageXCenter(){var e=this.view.getBoundingClientRect();return window.pageXOffset+e.left+e.width/2}pageYCenter(){var e=this.view.getBoundingClientRect();return window.pageYOffset+e.top+e.height/2}minimumLineIndent(){var e=this.lines[0].indent;for(let t=1;t<this.lines.length;t++)e=Math.min(this.lines[t].indent,e);return e}slideUnderBlock(){var e=this.problem.sourceBlocks();if(0!=e.length){var t=this.pairedBin();if(-1==t)return e[e.length-1];for(let s=e.length-1;s>=0;s--){var i=e[s];if(i.pairedBin()==t)return i}return e[e.length-1]}}pairedBin(){for(var e=this.problem.pairedBins,t=0;t<e.length;t++)if(this.matchesBin(e[t]))return t;return-1}matchesBin(e){for(var t=0;t<this.lines.length;t++){var i=this.lines[t].index;if(-1==e.indexOf(i))return!1}return!0}validSourceIndexes(){var e,t,i=this.problem.sourceBlocks(),s=[],n=this.pairedBin();if(n>=0){for(e=0;e<i.length;e++){var r=i[e];if(r.view.id!==this.view.id){var o=r.pairedBin();(o==n||t==n)&&s.push(e),t=o}}if(t==n&&s.push(i.length),s.length>0)return s}for(e=0;e<i.length;e++){let n=i[e];if(n.view.id!==this.view.id){let i=n.pairedBin();(i!==t||-1==i)&&s.push(e),t=i}}return s.push(i.length),s}verticalOffset(){var e;return 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0,this.problem.textMove&&(this.problem.logMove("kmove"),this.problem.textMove=!1,this.problem.updatePlaceholders()),this.problem.exitKeyboardMode()):(this.view.setAttribute("tabindex","-1"),this.view.removeEventListener("focus",this.focusHandler),this.view.removeEventListener("blur",this.blurHandler),this.view.removeEventListener("keydown",this.keydownHandler))}makeTabIndex(){this.view.setAttribute("tabindex","0"),void 0===this.focusHandler&&(this.focusHandler=()=>this.newFocus(),this.blurHandler=()=>this.releaseFocus(),this.keydownHandler=e=>this.keyDown(e)),this.view.addEventListener("focus",this.focusHandler),this.view.addEventListener("blur",this.blurHandler),this.view.addEventListener("keydown",this.keydownHandler)}disable(){void 0!==this.hammer&&this.hammer.set({enable:!1}),"0"==this.view.getAttribute("tabindex")?(this.releaseFocus(),this.view.removeAttribute("tabindex"),this.problem.initializeTabIndex()):this.view.removeAttribute("tabindex")}resetView(){void 0!==this.hammer&&this.hammer.set({enable:!0}),this.view.hasAttribute("tabindex")||this.view.setAttribute("tabindex","-1"),this.view.style.opacity=""}destroy(){void 0!==this.hammer&&(this.hammer.destroy(),delete this.hammer),"0"==this.view.getAttribute("tabindex")&&this.releaseFocus(),this.view.removeAttribute("tabindex")}panStart(e){this.problem.clearFeedback(),null==this.problem.started&&(this.problem.started=!0,this.problem.logMove("start")),void 0!==this.problem.textFocus&&this.problem.textFocus.releaseFocus(),this.problem.moving=this,this.problem.movingX=e.srcEvent.pageX,this.problem.movingY=e.srcEvent.pageY,this.problem.updateView()}panEnd(e){this.problem.isAnswered=!0,delete this.problem.moving,delete this.problem.movingX,delete this.problem.movingY,this.problem.updateView(),this.problem.logMove("move"),this.problem.updatePlaceholders()}panMove(e){this.problem.movingX=e.srcEvent.pageX,this.problem.movingY=e.srcEvent.pageY,this.problem.updateView()}keyDown(e){switch(null==this.problem.started&&(this.problem.started=!0,this.problem.logMove("kstart")),e.keyCode){case 37:this.problem.textMove?this.moveLeft():this.selectLeft();break;case 38:this.problem.textMove?this.moveUp():this.selectUp(),e.preventDefault();break;case 39:this.problem.textMove?this.moveRight():this.selectRight(),e.preventDefault();break;case 40:this.problem.textMove?this.moveDown():this.selectDown(),e.preventDefault();break;case 32:case 13:this.toggleMove(),e.preventDefault()}}moveLeft(){var e,t;if(!this.inSourceArea()){if(0==this.indent){for(var i=this.problem.sourceBlocks(),s=this.verticalOffset(),n=this.validSourceIndexes(),r=0;r<n.length;r++){if((e=n[r])==i.length)return this.problem.textMoving=!0,this.problem.sourceArea.appendChild(this.view),this.view.focus(),this.problem.state=void 0,this.problem.updateView(),this;if((t=i[e]).verticalOffset()>=s)break}this.problem.textMoving=!0,this.problem.sourceArea.insertBefore(this.view,t.view),this.view.focus()}else this.indent=this.indent-1;this.problem.state=void 0,this.problem.updateView()}}moveUp(){if(this.inSourceArea()){let n=this.problem.sourceBlocks();var e=this.verticalOffset(),t=this.validSourceIndexes();for(let r=0;r<t.length;r++){var i=t[t.length-1-r];if(i<n.length){var s=n[i];if(s.verticalOffset()<e)return this.problem.textMoving=!0,this.problem.sourceArea.insertBefore(this.view,s.view),this.view.focus(),this.problem.state=void 0,this.problem.updateView(),this}}}else{let e=this.problem.answerBlocks();for(let t=0;t<e.length;t++)if(e[t].view.id==this.view.id){if(0==t)return this;this.problem.textMoving=!0,this.problem.answerArea.insertBefore(this.view,e[t-1].view),this.view.focus(),this.problem.state=void 0,this.problem.updateView()}}}moveRight(){if(this.inSourceArea()){this.indent=0;for(var e=this.verticalOffset(),t=this.problem.answerBlocks(),i=0;i<t.length;i++){var s=t[i];if(s.verticalOffset()>=e)return this.problem.textMoving=!0,this.problem.answerArea.insertBefore(this.view,s.view),this.view.focus(),this.problem.state=void 0,this.problem.updateView(),this}this.problem.textMoving=!0,this.problem.answerArea.appendChild(this.view),this.view.focus(),this.problem.state=void 0,this.problem.updateView()}else this.indent!==this.problem.indent&&(this.indent=this.indent+1,this.problem.state=void 0,this.problem.updateView())}moveDown(){if(this.inSourceArea()){let s=this.problem.sourceBlocks();var e=this.validSourceIndexes();for(let e=0;e<s.length;e++)if(s[e].view.id==this.view.id)var t=e;for(let n=0;n<e.length;n++){var i=e[n];if(i==s.length)return this.problem.textMoving=!0,this.problem.sourceArea.appendChild(this.view),this.view.focus(),this.problem.state=void 0,this.problem.updateView(),this;if(i-t>1)return this.problem.textMoving=!0,this.problem.sourceArea.insertBefore(this.view,s[i].view),this.view.focus(),this.problem.state=void 0,this.problem.updateView(),this}}else{let e=this.problem.answerBlocks();for(var s=0;s<e.length;s++)if(e[s].view.id==this.view.id){if(s==e.length-1)return this;s==e.length-2?(this.problem.textMoving=!0,this.problem.answerArea.appendChild(this.view)):(this.problem.textMoving=!0,this.problem.answerArea.insertBefore(this.view,e[s+2].view)),this.view.focus(),this.problem.state=void 0,this.problem.updateView()}}}selectLeft(){if(!this.inSourceArea()){var e=this.verticalOffset(),t=this.problem.enabledSourceBlocks();if(0==t.length)return this;for(var i=t[0],s=i.verticalOffset()-e,n=1;n<t.length;n++){var r=t[n],o=r.verticalOffset()-e;Math.abs(o)<Math.abs(s)&&(i=r,s=o)}this.problem.textFocus=i,i.makeTabIndex(),i.view.focus()}}selectUp(){for(var e,t=!1,i=(e=this.inSourceArea()?this.problem.enabledSourceBlocks():this.problem.enabledAnswerBlocks()).length-1;i>=0;i--){var s=e[i];if(t)return this.problem.textFocus=s,s.makeTabIndex(),s.view.focus(),this;s.view.id==this.view.id&&(t=!0)}}selectRight(){if(this.inSourceArea()){var e=this.verticalOffset(),t=this.problem.enabledAnswerBlocks();if(0==t.length)return this;for(var i=t[0],s=i.verticalOffset()-e,n=1;n<t.length;n++){var r=t[n],o=r.verticalOffset()-e;Math.abs(o)<Math.abs(s)&&(i=r,s=o)}this.problem.textFocus=i,i.makeTabIndex(),i.view.focus()}}selectDown(){var e,t=!1;e=this.inSourceArea()?this.problem.enabledSourceBlocks():this.problem.enabledAnswerBlocks();for(var i=0;i<e.length;i++){var s=e[i];if(t)return this.problem.textFocus=s,s.makeTabIndex(),s.view.focus(),this;s.view.id==this.view.id&&(t=!0)}}toggleMove(){this.problem.textMove?(this.view.classList.remove("up"),this.view.classList.add("down"),this.problem.textMove=!1,this.problem.logMove("kmove"),this.isPlaceholder||this.problem.updatePlaceholders()):(this.view.classList.remove("down"),this.view.classList.add("up"),this.problem.textMove=!0)}hash(){for(var e="",t=0;t<this.lines.length;t++)e+=this.lines[t].index+"_";return e+this.indent}solutionIndent(){for(var e=this.lines[0].indent,t=1;t<this.lines.length;t++)e=Math.min(e,this.lines[t].indent);return e}}class x extends k{constructor(e,t,i,s){super(e,t),this.placeholderLines=t,this.afterSettledBlockCount=s,this.view.classList.add("placeholder-block","disabled"),this.placeholderSize=i;var n=document.createElement("div");n.classList.add("placeholder-text"),n.innerText=i>1?`${i} blocks are missing here`:`${i} block is missing here`,this.view.append(n),this.isPlaceholder=!0}}class _ extends m{constructor(e){super(e,"placeholder",!1),this.isPlaceholderLine=!0}}class S extends k{constructor(e,t){super(e,t),this.isSettled=!0,this.view.classList.add("settled-block","disabled"),this.tooltipSpan=document.createElement("span"),this.tooltipSpan.classList.add("settled-tooltip"),this.view.append(this.tooltipSpan),this.tooltipSpan.textContent="OK"}setBlocksBefore(e){this.blocksBefore=e;var t=e>1?"s":"";if(this.blocksAfter){var i=this.blocksAfter>1?"s":"";this.tooltipSpan.innerHTML=`${e} block${t} ⬆️️), ${this.blocksAfter} block${i} ⬇️`}else this.tooltipSpan.innerHTML=`${e} block${t} ⬆️️`}setBlocksAfter(e){this.blocksAfter=e;var t=e>1?"s":"";if(this.blocksBefore){var i=this.blocksBefore>1?"s":"";this.tooltipSpan.innerHTML=`${this.blocksBefore} block${i} ⬆️, ${e} block${t} ⬇️`}else this.tooltipSpan.innerHTML=`${e} block${t} ️️⬇️`}}class A extends s.A{constructor(e){super(e);var t=e.orig;this.containerDiv=t,this.origElem=t.querySelector("pre.parsonsblocks"),this.question=t.querySelector(".parsons_question"),this.useRunestoneServices=e.useRunestoneServices,this.divid=e.orig.id;var i=super.localStorageKey();this.storageId=i,this.children=this.origElem.childNodes,this.contentArray=[],A.counter++,this.counterId="parsons-"+A.counter,this.initializeOptions(),this.grader="dag"===this.options.grader?new f(this):new o(this),this.grader.showfeedback=this.showfeedback;var s=this.origElem.innerHTML;this.blockIndex=0,this.checkCount=0,this.numDistinct=0,this.hasSolved=!1,this.initializeLines(s.trim()),this.initializeView(),this.caption="Parsons",this.addCaption("runestone"),this.checkServer("parsons",!0),this.runnableDiv=null}initializeOptions(){var e={pixelsPerIndent:30},t=(0,r.Qt)(this.origElem,"maxdist"),i=(0,r.Qt)(this.origElem,"order"),s=(0,r.Qt)(this.origElem,"noindent"),n=(0,r.Qt)(this.origElem,"adaptive"),o=(0,r.Qt)(this.origElem,"numbered"),a=(0,r.Qt)(this.origElem,"grader"),l=(0,r.Qt)(this.origElem,"scaffolding");if(e.numbered=o,e.grader=a,e.scaffolding=l,void 0!==t&&(e.maxdist=t),void 0!==i){i=i.match(/\d+/g);for(var h=0;h<i.length;h++)i[h]=parseInt(i[h]);e.order=i}null==s&&(s=!1),e.noindent=s,this.noindent=s,null==n?n=!1:n&&this.initializeAdaptive(),e.adaptive=n;var c=eBookConfig.locale;null==c&&(c="en"),e.locale=c;var d=(0,r.Qt)(this.origElem,"language");null==d&&null==(d=eBookConfig.language)&&(d="python"),e.language=d;var u={python:"prettyprint lang-py",java:"prettyprint lang-java",javascript:"prettyprint lang-js",html:"prettyprint lang-html",c:"prettyprint lang-c","c++":"prettyprint lang-cpp",cpp:"prettyprint lang-cpp",ruby:"prettyprint lang-rb"}[d];null==u&&(u=""),e.prettifyLanguage=u,e.runnable=(0,r.Qt)(this.origElem,"runnable");var p=this.origElem.getAttribute("data-explanations");if(p)try{this.blockExplanations=JSON.parse(p)}catch(e){this.blockExplanations={}}else this.blockExplanations={};this.options=e}initializeView(){this.outerDiv=document.createElement("div"),this.outerDiv.classList.add("parsons"),this.outerDiv.id=this.counterId;let e=this.containerDiv.querySelector(".parsons-text");e&&!e.classList.contains("exercise-statement")&&e.classList.add("exercise-statement"),this.keyboardTip=document.createElement("div"),this.keyboardTip.setAttribute("role","tooltip"),this.keyboardTip.id=this.counterId+"-tip",this.keyboardTip.innerHTML=(0,n.t)("msg_parson_arrow_navigate"),this.outerDiv.appendChild(this.keyboardTip),this.keyboardTip.style.display="none",this.sortContainerDiv=document.createElement("div"),this.sortContainerDiv.classList.add("sortable-code-container"),this.sortContainerDiv.setAttribute("aria-describedby",this.counterId+"-tip"),this.outerDiv.appendChild(this.sortContainerDiv),this.sourceRegionDiv=document.createElement("div"),this.sourceRegionDiv.id=this.counterId+"-sourceRegion",this.sourceRegionDiv.classList.add("sortable-code"),this.sourceLabel=document.createElement("div"),this.sourceLabel.setAttribute("role","tooltip"),this.sourceLabel.id=this.counterId+"-sourceTip",this.sourceLabel.innerHTML=(0,n.t)("msg_parson_drag_from_here"),this.sourceRegionDiv.appendChild(this.sourceLabel),this.sortContainerDiv.appendChild(this.sourceRegionDiv),this.sourceArea=document.createElement("div"),this.sourceArea.id=this.counterId+"-source",this.sourceArea.classList.add("source"),this.sourceArea.setAttribute("aria-describedby",this.counterId+"-sourceTip"),this.sourceRegionDiv.appendChild(this.sourceArea),this.answerRegionDiv=document.createElement("div"),this.answerRegionDiv.id=this.counterId+"-answerRegion",this.answerRegionDiv.classList.add("sortable-code"),this.answerLabel=document.createElement("div"),this.answerLabel.setAttribute("role","tooltip"),this.answerLabel.id=this.counterId+"-answerTip",this.answerLabel.innerHTML=(0,n.t)("msg_parson_drag_to_here"),this.answerRegionDiv.appendChild(this.answerLabel),this.sortContainerDiv.appendChild(this.answerRegionDiv),this.answerArea=document.createElement("div"),this.answerArea.id=this.counterId+"-answer",this.answerArea.setAttribute("aria-describedby",this.counterId+"-answerTip"),this.answerRegionDiv.appendChild(this.answerArea),this.parsonsControlDiv=document.createElement("div"),this.parsonsControlDiv.classList.add("parsons-controls"),this.outerDiv.appendChild(this.parsonsControlDiv);var t=this;this.checkButton=document.createElement("button"),this.checkButton.className="btn btn-success",this.checkButton.textContent=(0,n.t)("msg_parson_check_me"),this.checkButton.id=this.counterId+"-check",this.parsonsControlDiv.appendChild(this.checkButton),this.checkButton.type="button",this.checkButton.addEventListener("click",(function(e){e.preventDefault(),t.checkCurrentAnswer(),t.logCurrentAnswer(),t.renderFeedback()})),this.resetButton=document.createElement("button"),this.resetButton.className="btn btn-default",this.resetButton.textContent=(0,n.t)("msg_parson_reset"),this.resetButton.id=this.counterId+"-reset",this.resetButton.type="button",this.parsonsControlDiv.appendChild(this.resetButton),this.resetButton.addEventListener("click",(function(e){e.preventDefault(),t.clearFeedback(),t.checkButton.disabled=!1,t.resetView(),t.checkCount=0,t.logMove("reset"),t.setLocalStorage()})),this.options.adaptive&&(this.helpButton=document.createElement("button"),this.helpButton.className="btn btn-primary",this.helpButton.textContent=(0,n.t)("msg_parson_help"),this.helpButton.id=this.counterId+"-help",this.helpButton.disabled=!1,this.parsonsControlDiv.appendChild(this.helpButton),this.helpButton.addEventListener("click",(function(e){e.preventDefault(),t.helpMe()}))),this.messageDiv=document.createElement("div"),this.messageDiv.id=this.counterId+"-message",this.messageDiv.setAttribute("aria-live","polite"),this.messageDiv.setAttribute("role","status"),this.parsonsControlDiv.appendChild(this.messageDiv),this.messageDiv.style.visibility="hidden",this.origElem.replaceWith(this.outerDiv);const i=this.outerDiv.closest(".sqcontainer");i&&(i.style.maxWidth="none"),this.outerDiv&&(this.question.innerHTML.match(/^\s+$/)?this.question.remove():this.outerDiv.prepend(this.question))}initializeLines(e){this.lines=[];var t=e.split("---");1===t.length&&(t=e.split("\n"));var i=[],s=[];if(!0===this.options.scaffolding){for(var n=!1,r=0;r<t.length;r++){var o=t[r],a={},l="",h=[];if(o.includes("#paired:"))b=o.indexOf("#paired:"),l=o.substring(b+8,o.length).trim(),o=o.substring(0,b+7);else if(o.includes("#distractor:"))b=o.indexOf("#distractor:"),l=o.substring(b+12,o.length).trim(),o=o.substring(0,b+11);else if(o.includes("#settled")){var c=o.indexOf("#settled");l=o.substring(c+8,o.length).trim(),o=o.substring(0,c+8)}else if(o.includes("#tag:")){w=(o=o.replace(/#tag:.*;.*;/,(e=>e.replace(/\s+/g,"")))).indexOf("#tag:"),""==(y=o.substring(w+5,o.indexOf(";",w+5)))&&(y="block-"+r),k=o.indexOf(";depends:");let e=o.substring(k+9,o.indexOf(";",k+9));h=e.length>0?e.split(","):[]}if(o.includes('class="displaymath')?a.displaymath=!0:a.displaymath=!1,o=o.replace(/#(paired|distractor|settled|tag:.*;.*;)/,(function(e,t){return a[t]=!0,""})),a.settled&&r>0&&u.length>0&&!u[u.length-1].isSettled){var d=new _(this);u.push(d),d.distractor=!0,d.paired=!1,d.distractHelptext="",d.groupWithNext=!1,d.indent=0}a.settled&&(n=!0);var u=[];if(a.displaymath)p=[o];else var p=o.split("\n");for(var g=0;g<p.length;g++){var v=p[g];if(!/^\s*$/.test(v)){var f=new m(this,v,a.displaymath);u.push(f),a.paired?(f.distractor=!0,f.paired=!0,f.distractHelptext=l):a.distractor?(f.distractor=!0,f.paired=!1,f.distractHelptext=l):a.settled?(f.distractor=!1,f.paired=!1,f.isSettled=!0,i.push(f)):(f.distractor=!1,f.paired=!1,"dag"===this.options.grader&&(f.tag=y,f.depends=h),i.push(f)),-1==s.indexOf(f.indent)&&s.push(f.indent)}}if(u.length>0){for(g=0;g<u.length-1;g++)u[g].groupWithNext=!0;u[u.length-1].groupWithNext=!1}}if(n&&!u[u.length-1].isSettled&&(d=new _(this),u.push(d),d.distractor=!0,d.paired=!1,d.distractHelptext="",d.groupWithNext=!1),"java"===this.options.language){let e=null,t=null;for(let i=0;i<this.lines.length;i++){const s=this.lines[i].text;if(null===e&&(s.includes("public class")||s.startsWith("import"))&&(e=this.lines[i].indent),null===t&&s.includes("public static")&&(t=this.lines[i].indent),null!==e&&null!==t)break}if(0===e&&8===t){s=s.sort((function(e,t){return e-t}));for(let e=0;e<this.lines.length;e++){let t=this.lines[e],i=t.indent,n=s.indexOf(i);n>0&&(n-=1),t.indent=n}}else{s=s.sort((function(e,t){return e-t}));for(let e=0;e<this.lines.length;e++){let t=this.lines[e];t.indent=s.indexOf(t.indent)}}}else{s=s.sort((function(e,t){return e-t}));for(let e=0;e<this.lines.length;e++){let t=this.lines[e];t.indent=s.indexOf(t.indent)}}this.solution=i}else{for(r=0;r<t.length;r++){var b,w,y,k;if(o=t[r],a={},l="",h=[],o.includes("#paired:"))b=o.indexOf("#paired:"),l=o.substring(b+8,o.length).trim(),o=o.substring(0,b+7);else if(o.includes("#distractor:"))b=o.indexOf("#distractor:"),l=o.substring(b+12,o.length).trim(),o=o.substring(0,b+11);else if(o.includes("#tag:")){w=(o=o.replace(/#tag:.*;.*;/,(e=>e.replace(/\s+/g,"")))).indexOf("#tag:"),""==(y=o.substring(w+5,o.indexOf(";",w+5)))&&(y="block-"+r),k=o.indexOf(";depends:");let e=o.substring(k+9,o.indexOf(";",k+9));h=e.length>0?e.split(","):[]}if(o.includes('class="displaymath')?a.displaymath=!0:a.displaymath=!1,o=o.replace(/\s*#(paired|distractor|tag:.*;.*;)\s*/g,(function(e,t){return a[t]=!0,""})),u=[],a.displaymath)p=[o];else p=o.split("\n");for(g=0;g<p.length;g++)v=p[g],(!/^\s*$/.test(v)||0!=g&&g!=p.length-1)&&(f=new m(this,v,a.displaymath),u.push(f),a.paired?(f.distractor=!0,f.paired=!0,f.distractHelptext=l):a.distractor?(f.distractor=!0,f.paired=!1,f.distractHelptext=l):(f.distractor=!1,f.paired=!1,"dag"===this.options.grader&&(f.tag=y,f.depends=h),i.push(f)),-1==s.indexOf(f.indent)&&s.push(f.indent));if(u.length>0){for(g=0;g<u.length-1;g++)u[g].groupWithNext=!0;u[u.length-1].groupWithNext=!1}}for(s=s.sort((function(e,t){return e-t})),r=0;r<this.lines.length;r++)(f=this.lines[r]).indent=s.indexOf(f.indent);this.solution=i}}async initializeAreas(e,t,i){const s=this.outerDiv.parentNode;var n,r,o=[];for(n=0;n<e.length;n++)r=e[n],o.push(r),this.sourceArea.appendChild(r.view);for(n=0;n<t.length;n++)r=t[n],o.push(r),this.answerArea.appendChild(r.view);this.blocks=o;var a=i.disabled;if(void 0!==a)for(n=0;n<o.length;n++)r=o[n],a.includes(r.lines[0].index)&&r.view.classList.add("disabled");var l=0;this.noindent||(l="natural"==this.options.language?this.solutionIndent():Math.max(0,this.solutionIndent())),this.indent=l;var h,c=null==this.outerDiv.offsetParent;c&&(h=document.createElement("div"),s&&s.replaceChild(h,this.outerDiv),this.outerDiv.classList.add("runestone-sphinx"),document.body.appendChild(this.outerDiv)),""!==this.options.prettifyLanguage&&"undefined"==typeof Prism&&prettyPrint();const d=this.options.language;if(d&&"undefined"!=typeof Prism){const e=this.containerDiv.querySelectorAll("code");for(const t of e)t.classList.add(`language-${d}`);Prism.highlightAllUnder(this.containerDiv)}for(let e=0;e<this.lines.length;e++)this.lines[e].initializeWidth();let u=(this.outerDiv.offsetWidth-this.options.pixelsPerIndent*this.indent-80)/2;var p,g;null!=this.options.numbered&&(u-=25),this.sourceArea.style.width=u+"px",g=20;var v=0;null!=this.options.numbered&&(v=1),p=0;let f=this;const m="natural"==this.options.language||"math"==this.options.language;for(n=0;n<o.length;n++){const e=o[n].view;m&&("undefined"!=typeof runestoneMathReady?await runestoneMathReady.then((async()=>await f.queueMathJax(e))):"undefined"!=typeof MathJax&&void 0!==MathJax.startup&&await f.queueMathJax(e)),p=Math.max(p,e.getBoundingClientRect().width)}for(n=0;n<o.length;n++){const e=o[n].view;e.style.width=p-22+"px";var b=3.8;const t=getComputedStyle(e),i=e.getBoundingClientRect().height+parseFloat(t.marginTop)+parseFloat(t.marginBottom);38!=i&&(b=3.1*(i-38)/21),g+=i+v*b}this.isTimed&&g<38*o.length&&(g=50*o.length),this.areaWidth=p,null!=this.options.numbered&&(this.areaWidth+=25),l>0&&l<=4?this.answerArea.classList.add("answer"+l):this.answerArea.classList.add("answer");var w=[],y=[];for(n=0;n<this.lines.length;n++){var k=this.lines[n];null==k.block()?y.length>0&&(w.push(y),y=[]):(y.push(k),k.groupWithNext||(w.push(y),y=[]))}var x,_=[],S=[],A=[];if(this.pairDistractors||!this.options.adaptive){for(n=w.length-1;n>-1;n--)if((y=w[n])[0].paired)for(x=y.length-1;x>-1;x--)S.unshift(y[x].index);else if(S.length>0){for(x=y.length-1;x>-1;x--)S.unshift(y[x].index);_.unshift(S),S=[]}for(n=0;n<_.length;n++){var C=document.createElement("div");C.classList.add("paired"),C.innerHTML="<span id='st' style='vertical-align: middle; font-weight: bold'>or{</span>",A.push(C),this.sourceArea.appendChild(C)}}else _=[];this.areaHeight=g,this.sourceArea.style.width=`${this.areaWidth+2}px`,this.sourceArea.style.height=`${this.areaHeight}px`,this.answerArea.style.width=`${this.options.pixelsPerIndent*l+this.areaWidth+2}px`,this.answerArea.style.height=`${this.areaHeight}px`,this.pairedBins=_,this.pairedDivs=A,null!=this.options.numbered&&this.addBlockLabels(e.concat(t)),this.state=void 0,this.updateView(),c&&h.parentNode.replaceChild(this.outerDiv,h)}initializeInteractivity(){for(var e=0;e<this.blocks.length;e++)this.blocks[e].initializeInteractivity();this.initializeTabIndex();let t=this;"natural"!=this.options.language&&"math"!=this.options.language||"undefined"!=typeof MathJax&&void 0!==MathJax.startup&&t.aQueue.enqueue(t.outerDiv).then((()=>{for(var e=0,i=20,s=null!=t.options.numbered?1:0,n=t.sourceBlocks(),r=t.answerBlocks(),o=n.concat(r),a=0;a<o.length;a++){var l=o[a].view;l.style.width="";var h=getComputedStyle(l),c=l.getBoundingClientRect().width+parseFloat(h.marginLeft||0)+parseFloat(h.marginRight||0);e=Math.max(e,c)}var d=e-22,u=e+t.indent*t.options.pixelsPerIndent-22;for(a=0;a<o.length;a++){var p=o[a].view;p.style.width=d+"px";var g=getComputedStyle(p),v=p.getBoundingClientRect().height+parseFloat(g.marginTop||0)+parseFloat(g.marginBottom||0),f=3.8;38!=v&&(f=3.1*(v-38)/21),i+=v+s*f}t.areaWidth=e,t.areaHeight=i,t.sourceArea.style.width=e+2+"px",t.sourceArea.style.height=i+"px",t.answerArea.style.width=t.options.pixelsPerIndent*t.indent+e+2+"px",t.answerArea.style.height=i+"px";var m=0;for(a=0;a<n.length;a++){var b=n[a].view;b.style.left="0px",b.style.top=m+"px",b.style.width=d+"px",b.style.zIndex=2;var w=getComputedStyle(b);m+=b.getBoundingClientRect().height+parseFloat(w.marginTop||0)+parseFloat(w.marginBottom||0)}for(a=0;a<t.pairedBins.length;a++){for(var y=t.pairedBins[a],k=[],x=0;x<n.length;x++)n[x].matchesBin(y)&&k.push(n[x]);var _=t.pairedDivs[a];if(0==k.length)_.style.display="none";else{_.style.display="";var S=-5,A=k[k.length-1].view,C=k[0].view;S+=parseFloat(getComputedStyle(A).top)||0,S-=parseFloat(getComputedStyle(C).top)||0;var I=getComputedStyle(A);S+=A.getBoundingClientRect().height+parseFloat(I.marginTop||0)+parseFloat(I.marginBottom||0),_.style.left="-6px",_.style.top=getComputedStyle(C).top,_.style.width=d+34+"px",_.style.height=S+"px",_.style.zIndex=1,_.style.textIndent="-30px",_.style.paddingTop=(S-70)/2+"px",_.style.overflow="visible",_.style.fontSize="43px",_.style.verticalAlign="middle",_.style.color="#7e7ee7",_.innerHTML="<span id='st' style='vertical-align: middle; font-weight: bold; font-size: 15px'>or</span>{"}}for(m=0,a=0;a<r.length;a++){var T=r[a],L=T.indent*t.options.pixelsPerIndent,B=T.view;B.style.left=L+"px",B.style.top=m+"px",B.style.width=u-L+"px",B.style.zIndex=2;var D=getComputedStyle(B);m+=B.getBoundingClientRect().height+parseFloat(D.marginTop||0)+parseFloat(D.marginBottom||0)}}))}initializeTabIndex(){for(var e=0;e<this.blocks.length;e++){var t=this.blocks[e];if(t.enabled())return t.makeTabIndex(),this}}newerData(e,t){var i=e.timestamp,s=t.timestamp;return null==i?t:null==s||(i=this.dateFromTimestamp(i))>(s=this.dateFromTimestamp(s))?e:t}async loadData(e){try{if(!0===this.options.scaffolding){null==(i=e.source)&&(i=e.trash);var t=e.answer;void 0!==(n=null==(s=e.adaptive)?{}:this.optionsFromHash(s)).noindent&&(this.noindent=!0),void 0!==n.checkCount&&(this.checkCount=n.checkCount),void 0!==n.hasSolved&&(this.hasSolved=n.hasSolved),await this.initializeAreas(this.blocksFromSource(),this.settledBlocksFromSource(),n)}else{var i,s,n;null==(i=e.source)&&(i=e.trash),t=e.answer,void 0!==(n=null==(s=e.adaptive)?{}:this.optionsFromHash(s)).noindent&&(this.noindent=!0),void 0!==n.checkCount&&(this.checkCount=n.checkCount),void 0!==n.hasSolved&&(this.hasSolved=n.hasSolved),null==i||null==t||1==t.length?await this.initializeAreas(this.blocksFromSource(),[],n):(this.initializeAreas(this.blocksFromHash(i),this.blocksFromHash(t),n),this.grade=this.grader.grade(),"correct"==this.grade?this.correct=!0:0==this.answerLines().length?this.correct=null:this.correct=!1)}}catch(t){await this.initializeAreas(this.blocksFromSource(),[],n),console.log(`Error restoring answer for student ${e.sid} in ${e.div_id}. Defaulting to original state.`)}!0!==this.needsReinitialization&&(this.initializeInteractivity(),this.isTimed&&!this.assessmentTaken&&this.resetView())}localData(){var e=localStorage.getItem(this.storageId);return null!==e&&"{"==e.charAt(0)?JSON.parse(e):{}}restoreAnswers(e){this.loadData(e)}checkLocalStorage(){if(this.graderactive)return;const e=this.localData();e.timestamp&&e.timestamp<eBookConfig.termStartDate&&(localStorage.removeItem(this.storageId),e={}),this.loadData(e)}setLocalStorage(e){var t;if(null==e){t={source:this.sourceHash(),answer:this.answerHash(),timestamp:new Date};var i=this.adaptiveHash();i.length>0&&(t.adaptive=i)}else t=e;localStorage.setItem(this.storageId,JSON.stringify(t))}async updatePlaceholders(){setTimeout((()=>{var e,t,i,s=this.answerBlocks();for(e=0;e<s.length;++e)if(s[e].isPlaceholder&&(i=s[e],t=!1,e>0&&!s[e-1].isSettled&&!s[e-1].isPlaceholder&&(t=!0),e<s.length-1&&!s[e+1].isSettled&&!s[e+1].isPlaceholder&&(t=!0),t&&!i.view.classList.contains("hide"))){i.view.classList.add("hide");for(var n=0;n<s.length-1-e;n++)i.moveDown()}}),5),setTimeout((()=>{for(var e=this.answerBlocks(),t=0;t<e.length&&!e[t].view.classList.contains("hide");)t++;var i=!0;this.firstBlockSettled&&(i=!1);var s,n,r=0;for(s=0;s<t&&(!e[s].isSettled||!i);++s)e[s].isSettled?(i=!0,r++):i=!1;if(s<t||e[t-1]&&e[t-1].isSettled&&!this.lastBlockSettled){var o;for(o=e.length-1;o>=t;o--)if(e[o].afterSettledBlockCount==r){n=e[o];break}if(e[o].afterSettledBlockCount!=r)return void console.log("error moving up; no placeholder found");if(n.view.classList.contains("hide")){n.view.classList.remove("hide");for(var a=0;a<o-s;a++)n.moveUp()}}}),10)}logMove(e){var t={event:"parsonsMove",div_id:this.divid,storageid:super.localStorageKey()},i=e+"|"+this.sourceHash()+"|"+this.answerHash(),s=this.adaptiveHash();""!==s&&(i=i+"|"+s),t.act=i,this.logBookEvent(t)}async logCurrentAnswer(e){var t={event:"parsons",div_id:this.divid},i=this.answerHash();t.answer=i;var s=this.sourceHash();t.source=s;var n=s+"|"+i,r=this.adaptiveHash();""!==r&&(t.adaptive=r,n=n+"|"+r),"correct"==this.grade?(n="correct|"+n,t.correct="T"):(n="incorrect|"+n,t.correct="F"),t.act=n,void 0!==e&&(t.sid=e),await this.logBookEvent(t)}adaptiveHash(){if(!this.options.adaptive)return"";for(var e=[],t=0;t<this.blocks.length;t++){var i=this.blocks[t];i.enabled()||e.push("d"+i.lines[0].index)}return this.noindent!==this.options.noindent&&e.push("i"),e.push("c"+this.checkCount),this.hasSolved&&e.push("s"),e.join("-")}optionsFromHash(e){var t;t="-"===e||""===e||null===e?[]:e.split("-");for(var i={},s=[],n=0;n<t.length;n++){var r=t[n];"i"==r[0]?i.noindent=!0:"d"==r[0]?s.push(parseInt(r.slice(1))):"s"==r[0]?i.hasSolved=!0:"c"==r[0]&&(i.checkCount=parseInt(r.slice(1)))}return s.length>0&&(i.disabled=s),i}answerHash(){for(var e=[],t=this.answerBlocks(),i=0;i<t.length;i++)e.push(t[i].hash());return 0===e.length?"-":e.join("-")}sourceHash(){for(var e=[],t=this.sourceBlocks(),i=0;i<t.length;i++)e.push(t[i].hash());return 0===e.length?"-":e.join("-")}adaptBlocks(e){for(var t,i=[],s=[],n=0;n<e.length;n++)(t=e[n]).isDistractor()?s.push(t):i.push(t);this.recentAttempts=localStorage.getItem(this.adaptiveId+"recentAttempts"),null!=this.recentAttempts&&"NaN"!=this.recentAttempts||(this.recentAttempts=3);var r=this.recentAttempts,o=i.length,a=0,l=s.length,h=0;this.pairDistractors=!0,r<2?(this.pairDistractors=!1,this.limitDistractors=!1):r<4||r<6?this.pairDistractors=!0:r<8?(h=.5*l,this.pairDistractors=!0):(h=l,this.pairDistractors=!0),a=Math.min(a,o-3),s=(s=this.shuffled(s)).slice(0,h);var c=[];for(n=0;n<e.length;n++)(t=e[n]).isDistractor()?-1==s.indexOf(t)&&c.push(t):c.push(t);var d=[];for(n=0;n<this.lines.length;n++)for(var u=0;u<c.length;u++)c[u].lines[0].index==n&&d.push(c[u]);for(let e=0;e<a;e++){var p=-10,g=-10;for(u=0;u<d.length-1;u++){t=d[u];var v=d[u+1],f=10-t.lines.length-v.lines.length,m=t.minimumLineIndent(),b=v.minimumLineIndent();m==b?f+=2:m>b&&(f-=1),t.lines[t.lines.length-1].indent==v.lines[0].indent&&(f+=1),f>=p&&(p=f,g=u)}for(t=d[g],v=d[g+1],u=0;u<v.lines.length;u++)t.addLine(v.lines[u]);var w=[];for(u=0;u<d.length;u++)u!==g+1&&w.push(d[u]);d=w}var y=[];for(n=0;n<c.length;n++)for(u=0;u<d.length;u++)c[n].lines[0].index==d[u].lines[0].index&&y.push(d[u]);return y}blocksFromSource(){var e,t,i,s,n=[],r=[],o=[];for(s=0;s<this.lines.length;s++)(i=this.lines[s]).isPlaceholderLine||i.isSettled||(o.push(i),i.groupWithNext||(n.push(new k(this,o)),o=[]));e=n;var a=[];if(void 0!==this.options.maxdist){var l=this.options.maxdist,h=[];for(s=0;s<n.length;s++)(t=n[s]).lines[0].distractor&&h.push(t);if(l<h.length){for(h=(h=this.shuffled(h)).slice(0,l),s=0;s<n.length;s++)(t=n[s]).lines[0].distractor?h.indexOf(t)>-1?r.push(t):a.push(s):r.push(t);n=r,r=[]}}if(this.recentAttempts<2?this.pairDistractors=!1:this.pairDistractors=!0,void 0===this.options.order){var c=[],d=[];for(s=0;s<n.length;s++)(t=n[s]).lines[0].paired&&this.pairDistractors?d.push(t):((d=[]).push(t),c.push(d));for(c=this.shuffled(c),s=0;s<c.length;s++)if((d=c[s]).length>1)for(d=this.shuffled(d),p=0;p<d.length;p++)r.push(d[p]);else r.push(d[0])}else for(s=0;s<this.options.order.length;s++)void 0!==(t=e[this.options.order[s]])&&a.indexOf(this.options.order[s])<0&&r.push(t);if(this.pairDistractors=!0,this.options.adaptive&&(this.limitDistractors=!0,r=this.adaptBlocks(r),!this.limitDistractors))for(s=0;s<a.length;s++){var u=null==this.options.order?Math.random(0,r.length):this.options.order.indexOf(a[s]);r.splice(u,0,e[a[s]])}if(this.pairDistractors&&null!=this.options.order)for(s=1;s<e.length;s++)if(e[s].lines[0].paired&&r.indexOf(e[s])>=0){for(var p=s;r.indexOf(e[p-1])<0;)p--;var g=r.indexOf(e[p-1]),v=r.indexOf(e[s]);r.splice(v,1),r.splice(g,0,e[s])}return r}blockFromHash(e){for(var t=e.split("_"),i=[],s=0;s<t.length-1;s++)i.push(this.lines[t[s]]);var n=new k(this,i);return this.noindent?n.indent=0:n.indent=Number(t[t.length-1]),n}blocksFromHash(e){var t;t="-"===e||""===e||null===e?[]:e.split("-");for(var i=[],s=0;s<t.length;s++)i.push(this.blockFromHash(t[s]));return this.options.adaptive?this.adaptBlocks(i):i}settledBlocksFromSource(){var e,t,i=[],s=[],n=0,r=0,o=void 0,a=0;for(t=0;t<this.lines.length;t++)if(e=this.lines[t],s.push(e),!e.groupWithNext)if(e.isPlaceholderLine)i.push(new x(this,s,n,r)),o&&o.setBlocksAfter(n),a=n,n=0,s=[];else if(e.isSettled){0==i.length&&(this.firstBlockSettled=!0);var l=new S(this,s);this.noindent||(l.indent=s[0].indent),console.log("settled block set",l),i.push(l),a>0&&l.setBlocksBefore(a),o=l,r++,n=0,s=[]}else s[0].distractor||n++,s=[];return i.length>0&&i[i.length-1].isSettled&&(this.lastBlockSettled=!0),console.log("settledblocksfromsource",i),i}getBlockById(e){for(var t=0;t<this.blocks.length;t++){var i=this.blocks[t];if(i.view.id==e)return i}}solutionBlocks(){for(var e=[],t=[],i=0;i<this.lines.length;i++)this.lines[i].distractor||t.push(this.lines[i]);var s=t[0].block();e.push(s);for(let i=1;i<t.length;i++){var n=t[i].block();s!==n&&(s=n,e.push(s))}return e}sourceBlocks(){for(var e=[],t=this.sourceArea.children,i=0;i<t.length;i++){var s=t[i];s.classList.contains("block")&&e.push(this.getBlockById(s.id))}return e}enabledSourceBlocks(){for(var e=this.sourceBlocks(),t=[],i=0;i<e.length;i++){var s=e[i];s.enabled()&&t.push(s)}return t}answerBlocks(){for(var e=[],t=this.answerArea.childNodes,i=0;i<t.length;i++){var s=this.getBlockById(t[i].id);void 0!==s&&e.push(s)}return e}enabledAnswerBlocks(){for(var e=this.answerBlocks(),t=[],i=0;i<e.length;i++){var s=e[i];s.enabled()&&t.push(s)}return t}answerLines(){for(var e=[],t=this.answerBlocks(),i=0;i<t.length;i++){var s=t[i];if(!s.isPlaceholder)for(var n=0;n<s.lines.length;n++)e.push(s.lines[n])}return e}getBlockFor(e){for(var t=e;!t.classList.contains("block");)t=t.parentElement;return t}solutionIndent(){for(var e=0,t=0;t<this.blocks.length;t++){var i=this.blocks[t];e=Math.max(e,i.solutionIndent())}return e}checkCurrentAnswer(){if(!this.hasSolved){if(this.checkCount++,this.clearFeedback(),null==this.adaptiveId&&(this.adaptiveId=this.storageId),this.grader.showfeedback=!1,this.grade=this.grader.grade(),"correct"==this.grade){if(this.hasSolved=!0,this.correct=!0,this.checkButton.disabled=!0,this.hasSolved&&this.options.scaffolding){const e=document.querySelector(`#copy-answer-button-${this.divid}`);e&&e.classList.remove("copy-button-hide")}localStorage.setItem(this.adaptiveId+"Solved",!0),this.recentAttempts=this.checkCount,localStorage.setItem(this.adaptiveId+"recentAttempts",this.recentAttempts)}if(localStorage.setItem(this.adaptiveId+this.divid+"Count",this.checkCount),this.setLocalStorage(),!this.hasSolved&&"incorrectTooShort"!==this.grade&&this.canHelp){var e=this.answerHash();this.lastAnswerHash!==e&&(this.numDistinct++,this.lastAnswerHash=e),3!=this.numDistinct||this.gotHelp||alert((0,n.t)("msg_parson_help_info"))}}this.hasSolved&&this.options.runnable&&(this.runnableDiv?this.runnableDiv.style.display=null:this.generateRunableVersion())}generateRunableVersion(){this.runnableDiv=document.getElementById(this.divid+"-runnable"),this.runnableDiv.style.display=null;let e="";for(let t of this.answerBlocks())for(let i of t.lines)e+="    ".repeat(i.indent)+i.text+"\n";e=e.slice(0,-1);const t=this.runnableDiv.querySelector("textarea");t.innerHTML=t.innerHTML.replace("==PARSONSCODE==",e),this.runnableDiv.querySelector('[data-component="parsons-runnable"]').dataset.component="activecode",window.runestoneComponents.renderOneComponent(this.runnableDiv)}renderFeedback(){this.grader.showfeedback=!0,this.grade=this.grader.graderState;var e=this.answerArea,t=!0===this.showfeedback?this.messageDiv:null,i=(e,i)=>{t&&(t.setAttribute("class",e),setTimeout((()=>{t.innerHTML=i}),10))};if("correct"===this.grade){e.classList.add("correct"),this.messageDiv.style.visibility="visible";let t=this.checkCount>1?(0,n.t)("msg_parson_correct",this.checkCount):(0,n.t)("msg_parson_correct_first_try");this.options.runnable&&(t+=" "+(0,n.t)("msg_parson_correct_runnable")),i("alert alert-info",t),this.showBlockExplanations()}if("incorrectTooShort"===this.grade&&(e.classList.add("incorrect"),this.messageDiv.style.visibility="visible",i("alert alert-danger",(0,n.t)("msg_parson_too_short"))),"incorrectIndent"===this.grade){var s=[];for(let e=0;e<this.grader.indentLeft.length;e++)h=this.grader.indentLeft[e].block(),-1==s.indexOf(h)&&(s.push(h),h.view.classList.add("indentLeft"));for(let e=0;e<this.grader.indentRight.length;e++)h=this.grader.indentRight[e].block(),-1==s.indexOf(h)&&(s.push(h),h.view.classList.add("indentRight"));this.messageDiv.style.visibility="visible",i("alert alert-danger",1==s.length?(0,n.t)("msg_parson_wrong_indent"):(0,n.t)("msg_parson_wrong_indents"))}if("incorrectMoveBlocks"===this.grade){var r=this.answerBlocks(),o=[],a=[],l=[];for(let e=0;e<r.length;e++){var h=r[e],c=this.solution.indexOf(h.lines[0]);-1==c?l.push(h):(o.push(h),a.push(c))}var d=this.grader.inverseLISIndices(a,o);for(let e=0;e<d.length;e++)l.push(o[d[e]]);if(e.classList.add("incorrect"),this.messageDiv.style.visibility="visible",!0===this.showfeedback)for(let e=0;e<l.length;e++)l[e].view.classList.add("incorrectPosition");i("alert alert-danger",(0,n.t)("msg_parson_wrong_order"))}}showBlockExplanations(){if(this.blockExplanations&&0!==Object.keys(this.blockExplanations).length){this.hideBlockExplanations();for(var e=this.answerBlocks(),t=0;t<e.length;t++){var i=e[t],s=i.lines[0].index,n=this.blockExplanations[String(s)];n||(n=this.blockExplanations[String(t)]),n&&(i.view.setAttribute("data-toggle","tooltip"),i.view.setAttribute("title",n),i.view.classList.add("has-explanation"))}}}hideBlockExplanations(){for(const e of this.answerArea.querySelectorAll(".has-explanation"))e.removeAttribute("data-toggle"),e.removeAttribute("title"),e.removeAttribute("data-original-title"),e.classList.remove("has-explanation")}initializeAdaptive(){if(this.adaptiveId=super.localStorageKey(),this.canHelp=!0,this.checkCount=0,this.numDistinct=0,this.gotHelp=!1,localStorage.getItem(this.adaptiveId+"Problem")==this.divid)return this.checkCount=localStorage.getItem(this.adaptiveId+this.divid+"Count"),null==this.checkCount&&(this.checkCount=0),this;var e=localStorage.getItem(this.adaptiveId+this.divid+"Count");null!=e&&"NaN"!=e||(e=0),this.checkCount=e,this.recentAttempts=localStorage.getItem(this.adaptiveId+"recentAttempts"),null!=this.recentAttempts&&"NaN"!=this.recentAttempts||(this.recentAttempts=3),localStorage.setItem(this.adaptiveId+"recentAttempts",this.recentAttempts),localStorage.setItem(this.adaptiveId+"Problem",this.divid),localStorage.setItem(this.adaptiveId+this.divid+"Count",this.checkCount),localStorage.setItem(this.adaptiveId+"Solved",!1)}usesIndentation(){return!this.noindent&&0!=this.solutionIndent()}distractorToRemove(){var e,t=this.enabledAnswerBlocks();for(let i=0;i<t.length;i++)if((e=t[i]).isDistractor())return e;t=this.enabledSourceBlocks();for(let i=0;i<t.length;i++)if((e=t[i]).isDistractor())return e}numberOfBlocks(e=!0){for(var t=0,i=0;i<this.blocks.length;i++)!this.blocks[i].enabled()||!e&&this.blocks[i].isDistractor()||(t+=1);return t}removeDistractor(e){var t=this.messageDiv;if(this.messageDiv.style.visibility="visible",t.setAttribute("class","alert alert-info"),setTimeout((()=>{t.innerHTML=(0,n.t)("msg_parson_not_solution")}),10),e.lines[0].distractHelptext&&(e.view.setAttribute("data-toggle","tooltip"),e.view.setAttribute("title",e.lines[0].distractHelptext)),e.disable(),e.inSourceArea())e.view.style.borderColor="#000",e.view.style.backgroundColor="#fff",(0,r.i0)(e.view,{opacity:.3,"border-color":"#d3d3d3","background-color":"#efefef"},{duration:2e3,complete:function(){e.view.style.borderColor="",e.view.style.backgroundColor=""}});else{var i=this.sourceArea.getBoundingClientRect(),s=e.pageXCenter()-1,o=e.pageYCenter(),a=i.left+window.pageXOffset+i.width/2,l=i.top+window.pageYOffset+e.view.getBoundingClientRect().height/2,h=e.slideUnderBlock();void 0!==h&&(l+=h.view.getBoundingClientRect().height+20,l+=parseInt(getComputedStyle(h.view).top)||0);var c=this;e.view.style.borderColor="#000",e.view.style.backgroundColor="#fff",(0,r.i0)(e.view,{opacity:1},{duration:4*Math.sqrt(Math.pow(l-o,2)+Math.pow(a-s,2))+500,start:function(){c.moving=e,c.movingX=s,c.movingY=o,c.updateView()},progress:function(e,t,i){c.movingX=s*(1-t)+a*t,c.movingY=o*(1-t)+l*t,c.updateView()},complete:function(){delete c.moving,delete c.movingX,delete c.movingY,c.updateView(),(0,r.i0)(e.view,{opacity:.3,"border-color":"#d3d3d3","background-color":"#efefef"},{duration:1e3,complete:function(){e.view.style.opacity="",e.view.style.borderColor="",e.view.style.backgroundColor="",e.view.classList.add("disabled")}})}})}}removeIndentation(){var e=this.messageDiv;this.messageDiv.style.visibility="visible",e.setAttribute("class","alert alert-info"),setTimeout((()=>{e.innerHTML=(0,n.t)("msg_parson_provided_indent")}),10);for(var t,i,s=200,o=0;o<this.lines.length;o++){var a=this.lines[o],l=a.width+a.indent*this.options.pixelsPerIndent+30;s=Math.max(s,l)}null!=this.options.numbered&&(s+=25),this.areaWidth=s+22;var h=this.sourceBlocks();for(let e=0;e<h.length;e++)0==(i=(t=h[e]).solutionIndent())?(0,r.i0)(t.view,{width:s},{duration:1e3}):(0,r.i0)(t.view,{width:s-i*this.options.pixelsPerIndent,"padding-left":i*this.options.pixelsPerIndent+10},{duration:1e3});for(let e=0;e<this.pairedDivs.length;e++)(0,r.i0)(this.pairedDivs[e],{width:s+34},{duration:1e3});var c=this.answerBlocks();for(let e=0;e<c.length;e++)0==(i=(t=c[e]).solutionIndent())?(0,r.i0)(t.view,{left:0,width:s},{duration:1e3}):(0,r.i0)(t.view,{left:0,width:s-i*this.options.pixelsPerIndent,"padding-left":i*this.options.pixelsPerIndent+10},{duration:1e3});this.answerArea.classList.remove("answer1","answer2","answer3","answer4"),this.answerArea.classList.add("answer"),this.indent=0,this.noindent=!0,(0,r.i0)(this.sourceArea,{width:this.areaWidth+2},{duration:1e3}),(0,r.i0)(this.answerArea,{width:this.areaWidth+2},{duration:1e3}),(0,r.i0)(this.answerArea,{opacity:1},{duration:1100,complete:function(){for(let e=0;e<h.length;e++)h[e].addIndent();for(let e=0;e<c.length;e++)c[e].addIndent()}})}getSolutionBlockInSource(){for(var e=this.solutionBlocks(),t=this.answerBlocks(),i=this.sourceBlocks(),s=null,n=0;n<i.length;n++)if(s=i[n],e.indexOf(s)>0&&t.indexOf(s)<0)return s;return null}getFurthestBlock(){for(var e=this.solutionBlocks(),t=this.answerBlocks(),i=0,s=0,n=null,r=null,o=0,a=null,l=0,h=0;h<t.length;h++)r=t[h],(o=e.indexOf(r))>0&&(a=e[o-1],l=t.indexOf(a),(s=Math.abs(h-l))>i&&(i=s,n=r));return n}combineBlocks(){var e=this.solutionBlocks(),t=this.answerBlocks(),i=this.sourceBlocks(),s=this.messageDiv;this.messageDiv.style.visibility="visible",s.setAttribute("class","alert alert-info"),setTimeout((()=>{s.innerHTML=(0,n.t)("msg_parson_combined_blocks")}),10);var o=null,a=null;null==(a=this.getSolutionBlockInSource())&&(a=this.getFurthestBlock());var l=e.indexOf(a);o=e[l-1];var h=t.indexOf(o),c=t.indexOf(a),d=!1;h>=0&&c>=0?d=h+1!==c:h<0&&c<0?d=(h=i.indexOf(o))+1!==(c=i.indexOf(a)):(d=!0,h<0&&(h=i.indexOf(o)),c<0&&(c=i.indexOf(a)));var u=c<h;if(d){var p=a.pageXCenter()-1,g=a.pageYCenter(),v=o.pageXCenter()-1,f=o.pageYCenter()+o.view.getBoundingClientRect().height/2+5;u?f-=a.view.getBoundingClientRect().height/2:f+=a.view.getBoundingClientRect().height/2;var m=this;(0,r.i0)(a.view,{opacity:1},{duration:1e3,start:function(){o.view.style.borderColor="#000",o.view.style.backgroundColor="#fff",a.view.style.borderColor="#000",a.view.style.backgroundColor="#fff",a.lines[0].index+=1e3,m.moving=a,m.movingX=p,m.movingY=g,m.updateView()},progress:function(e,t,i){m.movingX=p*(1-t)+v*t,m.movingY=g*(1-t)+f*t,m.updateView()},complete:function(){delete m.moving,delete m.movingX,delete m.movingY,m.updateView(),a.lines[0].index-=1e3,o.consumeBlock(a),(0,r.i0)(o.view,{"border-color":"#d3d3d3","background-color":"#efefef"},{duration:1e3,complete:function(){o.view.style.borderColor="",o.view.style.backgroundColor=""}})}})}else(0,r.i0)(a.view,{opacity:1},{duration:1e3,start:function(){o.view.style.borderColor="#000",o.view.style.backgroundColor="#fff",a.view.style.borderColor="#000",a.view.style.backgroundColor="#fff"},complete:function(){o.consumeBlock(a),(0,r.i0)(o.view,{"border-color":"#d3d3d3","background-color":"#efefef"},{duration:1e3,complete:function(){o.view.style.borderColor="",o.view.style.backgroundColor=""}})}})}makeEasier(){var e=this.distractorToRemove();void 0===e||e.inSourceArea()?this.numberOfBlocks(!1)>3?(alert((0,n.t)("msg_parson_will_combine")),this.combineBlocks(),this.logMove("combinedBlocks")):(alert((0,n.t)("msg_parson_three_blocks_left")),this.canHelp=!1):(alert((0,n.t)("msg_parson_remove_incorrect")),this.removeDistractor(e),this.logMove("removedDistractor-"+e.hash()))}helpMe(){this.clearFeedback(),this.numDistinct<3?alert((0,n.t)("msg_parson_atleast_three_attempts")):(this.gotHelp=!0,this.makeEasier())}dateFromTimestamp(e){var t=new Date(e);if(isNaN(t.getTime())){var i=e.split(/[- :]/);t=new Date(i[0],i[1]-1,i[2],i[3],i[4],i[5])}return t}shuffled(e){for(var t,i,s=e.length,n=e.slice();0!==s;)i=Math.floor(Math.random()*s),t=n[s-=1],n[s]=n[i],n[i]=t;return n}enterKeyboardMode(){this.keyboardTip.style.display="",this.sourceLabel.style.display="none",this.answerLabel.style.display="none",this.clearFeedback()}exitKeyboardMode(){this.keyboardTip.style.display="none",this.sourceLabel.style.display="",this.answerLabel.style.display=""}clearFeedback(){this.answerArea.classList.remove("incorrect","correct");for(var e=this.answerArea.children,t=0;t<e.length;t++)e[t].classList.remove("correctPosition","incorrectPosition","indentLeft","indentRight");this.messageDiv.style.visibility="hidden",this.hideBlockExplanations()}async disableInteraction(){if(await this.checkServerComplete,console.log("disabling blocks"),void 0!==this.blocks)for(var e=0;e<this.blocks.length;e++)this.blocks[e].disable();this.checkButton.style.display="none",this.resetButton.style.display="none"}movingState(){if(null==this.moving)return"rest";var e=this.movingX-window.pageXOffset,t=this.movingY-window.pageYOffset,i=this.answerArea.getBoundingClientRect();return e>=i.left&&e<=i.right&&t>=i.top&&t<=i.bottom?"answer":e>=(i=this.sourceArea.getBoundingClientRect()).left&&e<=i.right&&t>=i.top&&t<=i.bottom?"source":"moving"}placeView(e,t,i,s,n){e.style.left=t+"px",e.style.top=i+"px",e.style.width=s+"px",e.style.zIndex=n}updateView(){var e,t,i,s=this.state,n=this.movingState(),o=!0,a=!0,l="moving"==n;s==n&&("rest"==n?(o=!1,a=!1):"source"==n?a=!1:"answer"==n?o=!1:"moving"==n&&(a=!1,o=!1)),void 0!==this.moving&&(e=(0,r.DK)(this.moving.view),this.moving.view.remove());var h,c,d=this.areaWidth-22;if(o){t=0;var u=this.sourceBlocks();if("source"==n){var p=!1,g=this.moving.pairedBin(),v=[];for(x=0;x<u.length;x++)v.push(u[x].pairedBin());v.includes(g)||(g=-1);var f=[];if(0==v.length)f.push(0);else{for((-1==g||v[0]==g)&&f.push(0),x=1;x<u.length;x++)(v[x-1]==g||v[x]==g||-1==g&&v[x-1]!=v[x])&&f.push(x);(-1==g||v[v.length-1]==g)&&f.push(v.length)}var m=this.movingX-this.sourceArea.getBoundingClientRect().left-window.pageXOffset-d/2-11,b=this.movingY-this.sourceArea.getBoundingClientRect().top-window.pageYOffset;for(x=0;x<u.length;x++){var w,y=u[x];if(!p&&f.includes(x)){var k=(0,r.DK)(y.view);for(w=x+1;w<u.length&&!f.includes(w);w++)k+=(0,r.DK)(u[w].view);(b-t<e+k/2||x==f[f.length-1])&&(p=!0,this.sourceArea.insertBefore(this.moving.view,y.view),this.placeView(this.moving.view,m,b-e/2,d,3),t+=e)}this.placeView(y.view,0,t,d,2),t+=(0,r.DK)(y.view)}p||(this.sourceArea.appendChild(this.moving.view),this.placeView(this.moving.view,m,b-(0,r.DK)(this.moving.view)/2,d,3))}else for(var x=0;x<u.length;x++)y=u[x],this.placeView(y.view,0,t,d,2),t+=(0,r.DK)(y.view);for(x=0;x<this.pairedBins.length;x++){var _=this.pairedBins[x],S=[];for(w=0;w<u.length;w++)(h=u[w]).matchesBin(_)&&S.push(h);var A=this.pairedDivs[x];if(0==S.length)A.style.display="none";else{A.style.display="";var C=-5,I=S[S.length-1].view;C+=parseInt(getComputedStyle(I).top),C-=parseInt(getComputedStyle(S[0].view).top),C+=(0,r.DK)(I),A.style.left="-6px",A.style.top=getComputedStyle(S[0].view).top,A.style.width=d+34+"px",A.style.height=C+"px",A.style.zIndex=1,A.style.textIndent="-30px",A.style.paddingTop=(C-70)/2+"px",A.style.overflow="visible",A.style.fontSize="43px",A.style.verticalAlign="middle",A.style.color="#7e7ee7",A.innerHTML="<span id= 'st' style = 'vertical-align: middle; font-weight: bold; font-size: 15px'>or</span>{"}1==S.length&&(A.innerHTML="")}}if(a)if(t=0,i=this.areaWidth+this.indent*this.options.pixelsPerIndent-22,u=this.answerBlocks(),"answer"==n){p=!1,m=this.movingX-this.answerArea.getBoundingClientRect().left-window.pageXOffset-d/2-11;var T=Math.round(m/this.options.pixelsPerIndent);for(T<0?T=0:T>this.indent?T=this.indent:m=T*this.options.pixelsPerIndent,b=this.movingY-this.answerArea.getBoundingClientRect().top-window.pageYOffset,this.moving.indent=T,x=0;x<u.length;x++)h=u[x],p||b-t<(e+(0,r.DK)(h.view))/2&&(p=!0,this.answerArea.insertBefore(this.moving.view,h.view),this.placeView(this.moving.view,m,b-e/2,d,3),t+=e),c=h.indent*this.options.pixelsPerIndent,this.placeView(h.view,c,t,i-c,2),t+=(0,r.DK)(h.view);p||(this.answerArea.appendChild(this.moving.view),this.placeView(this.moving.view,m,b-(0,r.DK)(this.moving.view)/2,d,3))}else for(let e=0;e<u.length;e++)c=(h=u[e]).indent*this.options.pixelsPerIndent,this.placeView(h.view,c,t,i-c,2),t+=(0,r.DK)(h.view);if(l){if(-1==(g=this.moving.pairedBin()))this.sourceArea.appendChild(this.moving.view);else{var 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"),e[a].addLabel(o,0),s++}n+this.pairedBins.length>=10&&(this.areaWidth+=5,this.sourceArea.style.width=(parseFloat(getComputedStyle(this.sourceArea).width)||0)+5+"px",this.answerArea.style.width=(parseFloat(getComputedStyle(this.answerArea).width)||0)+5+"px")}resetView(){if(this.clearFeedback(),!0===this.options.scaffolding){const e=document.querySelector(`#copy-answer-button-${this.divid}`);e&&e.classList.add("copy-button-hide")}var e,t=document.body.scrollTop;for(let t=0;t<this.blocks.length;t++){e=this.blocks[t];for(var i=0;i<e.lines.length;i++)for(var s=e.lines[i].view.querySelectorAll(".block-label"),n=0;n<s.length;n++)s[n].remove();e.destroy(),this.blocks[t].view.remove()}if(delete this.blocks,this.blockIndex=0,this.pairedDivs)for(let e=0;e<this.pairedDivs.length;e++)this.pairedDivs[e].remove();this.sourceArea.setAttribute("style",""),this.answerArea.className="",this.answerArea.setAttribute("style",""),this.noindent=this.options.noindent,this.hasSolved&&(this.checkCount=0,this.numDistinct=0,this.hasSolved=!1,this.options.adaptive&&(this.canHelp=!0),localStorage.setItem(this.adaptiveId+"Problem",this.divid),localStorage.setItem(this.adaptiveId+this.divid+"Count",this.checkCount),localStorage.setItem(this.adaptiveId+"Solved",!1)),!0===this.options.scaffolding?this.initializeAreas(this.blocksFromSource(),this.settledBlocksFromSource(),{}):this.initializeAreas(this.blocksFromSource(),[],{}),this.initializeInteractivity(),document.body.scrollTop=t,this.runnableDiv&&(this.runnableDiv.style.display="none")}}A.counter=0,document.addEventListener("runestone:login-complete",(function(){for(const e of document.querySelectorAll("[data-component=parsons]"))if(null===e.closest("[data-component=timedAssessment]"))try{window.componentMap[e.id]=new A({orig:e,useRunestoneServices:eBookConfig.useRunestoneServices})}catch(t){console.log(`Error rendering Parsons Problem ${e.id}\n                             Details: ${t}`),console.log(t.stack)}}));class C extends A{constructor(e){super(e),e.timedfeedback?this.showfeedback=!0:this.showfeedback=!1,this.grader.showfeedback=this.showfeedback,this.hideFeedback(),this.checkButton.style.display="none",this.helpButton&&(this.helpButton.style.display="none"),this.resetButton.style.display="none"}checkCorrectTimed(){return this.correct?"T":"F"}hideFeedback(){this.messageDiv.style.display="none"}}void 0===window.component_factory&&(window.component_factory={}),window.component_factory.parsons=function(e){return e.timed?new C(e):new A(e)}},56906:(e,t,i)=>{"use strict";(0,i(54250).Hh)({"pt-br":{msg_parson_check_me:"Verificar",msg_parson_reset:"Resetar",msg_parson_help:"Ajuda",msg_parson_too_short:"Seu programa é muito curto. Adicione mais blocos.",msg_parson_drag_from_here:"Arraste daqui",msg_parson_drag_to_here:"Largue os blocos aqui",msg_parson_correct_first_try:"Perfeito! Você levou apenas uma tentativa para resolver. Bom trabalho!",msg_parson_correct:"Perfeito! Você levou $1 tentativas para resolver. Clique em Resetar para tentar resolver em uma tentativa.",msg_parson_wrong_indent:"Este bloco não está indentado corretamente. Indente mais arrastando-o para a direita ou reduza a indentação arrastando para a esquerda.",msg_parson_wrong_indents:"Estes blocos não estão indentados corretamente. Para indentar mais, arraste o bloco para a direita. Para reduzir a indentação, arraste para a esquerda.",msg_parson_wrong_order:"Blocos destacados no seu programa estão errados ou estão na ordem errada. Isso pode ser resolvido movendo, excluindo ou substituindo os blocos destacados.",msg_parson_arrow_navigate:"Use as teclas de setas para navegar. Espaço para selecionar/ desmarcar blocos para mover.",msg_parson_help_info:"Clique no botão Ajuda se você quiser facilitar o problema",msg_parson_not_solution:"Foi desabilitado um bloco de código desnecessário (que não faz parte da solução).",msg_parson_provided_indent:"Foi fornecida a indentação.",msg_parson_combined_blocks:"Dois blocos de códigos foram combinados em um.",msg_parson_remove_incorrect:"Será removido um bloco de código incorreto da área de resposta",msg_parson_will_combine:"Serão combinados dois blocos",msg_parson_atleast_three_attempts:"Você deve tentar pelo menos três vezes antes de pedir ajuda",msg_parson_three_blocks_left:"Restam apenas 3 blocos corretos. Você deve colocá-los em ordem",msg_parson_will_provide_indent:"Será fornecida a indentação"}})},75794:(e,t,i)=>{"use strict";(0,i(54250).Hh)({en:{msg_parson_check_me:"Check",msg_parson_reset:"Reset",msg_parson_help:"Help me",msg_parson_too_short:"Your answer is too short. Add more blocks.",msg_parson_drag_from_here:"Drag from here",msg_parson_drag_to_here:"Drop blocks here",msg_parson_correct_first_try:"Perfect!  It took you only one try to solve this.  Great job!",msg_parson_correct:"Perfect!  It took you $1 tries to solve this.  Click Reset to try to solve it in one attempt.",msg_parson_correct_runnable:"Click Run below to test out your solution.",msg_parson_wrong_indent:"This block is not indented correctly. Either indent it more by dragging it right or reduce the indention by dragging it left.",msg_parson_wrong_indents:"These blocks are not indented correctly. To indent a block more, drag it to the right. To reduce the indention, drag it to the left.",msg_parson_wrong_order:"Highlighted blocks in your answer are wrong or are in the wrong order. This can be fixed by moving, removing, or replacing highlighted blocks.",msg_parson_arrow_navigate:"Arrow keys to navigate. Space to select / deselect block to move.",msg_parson_help_info:"Click on the Help Me button if you want to make the problem easier",msg_parson_not_solution:"Disabled an unneeded code block (one that is not part of the solution).",msg_parson_provided_indent:"Provided the indentation.",msg_parson_combined_blocks:"Combined two code blocks into one.",msg_parson_remove_incorrect:"Will remove an incorrect code block from answer area",msg_parson_will_combine:"Will combine two blocks",msg_parson_atleast_three_attempts:"You must make at least three distinct full attempts at a solution before you can get help",msg_parson_three_blocks_left:"There are only 3 correct blocks left.  You should be able to put them in order",msg_parson_will_provide_indent:"Will provide indentation"}})},78811:()=>{function e(){var t=navigator&&navigator.userAgent&&/\bMSIE 6\./.test(navigator.userAgent);return e=function(){return t},t}!function(){var t="break continue do else for if return while ",i=t+"auto case char const default double enum extern float goto int long register short signed sizeof static struct switch typedef union unsigned void volatile catch class delete false import new operator private protected public this throw true try ",s=i+"alignof align_union asm axiom bool concept concept_map const_cast constexpr decltype dynamic_cast explicit export friend inline late_check mutable namespace nullptr reinterpret_cast static_assert static_cast template typeid typename typeof using virtual wchar_t where ",n=i+"boolean byte extends final finally implements import instanceof null native package strictfp super synchronized throws transient ",r=i+"debugger eval export function 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