//Defining Class Of All Nodes, Is Abstract class Node { // var options; // var desc; // var value; // var ans; // var name; constructor(name, desc) { if(this.constructor === Node){ throw new Error("You cannot create instance of Abstract Class"); } this._name = name; this._desc = desc; this._value = ''; this._ans= ''; this._options = []; } getOption(){ throw new Error("Abstract Node"); } display(){ throw new Error("Abstract Node"); } get options(){ return this._options; } set options(x){ this._options = x; } get desc(){ return this._desc; } set desc(x){ this._desc = x; } get value(){ return this._value; } set value(x){ this._value = x; } get name(){ return this._name; } set name(x){ this._name = x; } } //Type Node, Allows User Input Choice class Decision extends Node{ constructor(name, desc){//Construct super(name, desc); } addOption(n, choice){ if(!(n instanceof Node)){ throw new Error("Not Node"); } this._options[choice.toLowerCase()] = n; } //Recursive //Each Decision Answer Is Dependent On Its Child //It Tries To Get The Answer Of It's Child || Once Answer Recieved We Can Return It //Must Prompt If There Is No Value get ans(){ //Check If User Made Selection if(this.value === ''){//No Selection this.prompt();//Prompt Selection }else{ this.ans = this.getOption(); //If A selection was made || Get The Answer Value For This Option } //Once Have Answer || Return It return this._ans; } set ans(x){ //Set Answer To Given Node's Answer (Usually Child/Option Node) this._ans = x.ans; } //Get User Selected Option getOption(){ var rads = document.getElementsByName(this.name); rads.forEach((item, i) => { if(item.checked === true){ this.value = item.value.toLowerCase(); } }); return this.options[this.value]; } //Get User Input //Make Every Option Into A Formatted Radio Button display(){ let sect = $("

"); $(sect).css({"overflow": "hidden"}); let head = $("

"); $(head).text(this.desc); $(sect).append(head); var curr = this; var keys = Object.keys(this.options); //Keys Of Array keys.forEach((item, i) => {//Each Key At A Time || Each Option At A Time //Formatting Divs let div = $("

"); $(div).css({"width":"30%", "overflow":"hidden", "border":"2px solid black", "marginBottom":"2%", "padding":"1%"}); let lbl = $(""); $(lbl).css({"width":"70%", "float":"left"}); $(lbl).text(item.charAt(0).toUpperCase() + item.substring(1)); //Radio Button || Format let inp = $(""); $(inp).attr("value", item); $(inp).attr("checked", "true"); $(inp).attr("name", this.name); $(inp).css({"width":"20%", "float":"left"}); $(div).append(lbl); $(div).append(inp); var s= 'input[name=\"' + this.name + '\"]'; //JQuery Selector var curr = this; //s Is Query Selector $(div).on('click', s ,function(){//Delegate Event //On Click //Set Node Value To Value of this(the radio button) value curr.value = this.value; $(next).show(500); //Update Answer //document.getElementById("display").innerHTML= tree.ans; }); $(sect).append(div); }); let next = $(""); $(next).css({"width":"10%", "padding":"1%", "overflow":"hidden","marginBottom":"2%", "backgroundColor":"darkgreen", "float":"left", "border":"none"}); $(next).text("Next"); $(next).hide(); $(sect).append(next); $(next).on('click', next ,function(){//Delegate Event curr.getOption($("input[checked]").val()).display(); }); $(sect).on('mouseover', next ,function(){//Delegate Event next.css({"cursor":"pointer"}); }); $("#fill").html(sect); } } //Chance Node, Choose Random Option class Chance extends Node { constructor(name, desc){//Construct super(name, desc); } addOption(n){ var choice = "" + this.options.length; if(!(n instanceof Node)){ throw new Error("Not Node"); } this._options[choice.toLowerCase()] = n; } //Get Option At Random getOption(){ //Random Value From Associative Array var randomProperty = function (x) { var keys = Object.keys(x.options); //Array Keys return x.options[keys[Math.floor(keys.length * Math.random())]]; //Choose Randome From Keyss And Get From Options }; return randomProperty(this);//Return Random Property } //Answer Gets From Child/Option Node get ans(){ this.ans = this.getOption().ans; return this._ans; } set ans(x){ this._ans = this.getOption().ans; } display(){ this.getOption($("input[checked]").val()).display(); $("#fill").html(sect); } } //End Only Node That Has Definite Answer And Returns it //Will End A Branch Recursion class End extends Node { constructor(name, desc, ans) { super(name, desc); this._ans = ans; } addOption(){ console.log("End Node Cannot Add"); } get ans(){ return this._ans; } set ans(x){ this._ans = x; } getOption(){ return this; } display(){ let sect = $("

"); $(sect).css({"overflow": "hidden"}); let head = $("

"); $(head).text(this.desc); $(sect).append(head); var curr = this; let item = this.getOption(); //Formatting Divs let div = $("

"); $(div).css({"width":"20%", "overflow":"hidden", "border":"2px solid black", "marginBottom":"2%", "padding":"1%"}); //Input || Format let inp = $("

"); $(inp).text(this.ans); $(inp).attr("name", this.name); $(div).append(inp); $(sect).append(div); $("#fill").html(sect); } } class DecisionTree{ //Holds The Root Node For The Decision Tree, And Also Manages It constructor(root = ""){ if(root instanceof Node){ this._root = root; }else { this.promptWhereAdd(); } this.where = null; } createNode(type, info, curr){ var n; let choice = info["Choice"].value; switch (type) { case "Decision": n = new Decision(info["Name"].value, info["Description"].value); break; case "Chance": n = new Chance(info["Name"].value, info["Description"].value); break; case "End": n = new End(info["Name"].value, info["Description"].value, info["Answer"].value); break; } if(curr.where == "Root"){ curr.root = n; }else{ curr.findNode(curr.where).addOption(n, choice); } } promptWhereAdd(){ var curr = this; let sect = $("

"); $(sect).css({"overflow": "hidden"}); let head = $("

"); $(head).text("Where To Add This Node"); $(sect).append(head); var options = []; options = options.concat(this.findDecisions()); options = options.concat(this.findChances()); var rootDiv =$("

"); $(inp).attr("value", "Root"); $(inp).attr("checked", "true"); $(inp).attr("name", "checkNode"); $(inp).css({"width":"20%", "float":"left"}); $(rootDiv).append(rootLbl); $(rootDiv).append(inp); $(sect).append(rootDiv); var s= 'input[name=\"' + "checkNode" + '\"]'; $(rootDiv).on('click', s ,function(){//Delegate Event curr.where = this.value; curr.promptNewNode(null, curr); }); let to = $("

To:

"); $(to).hide(); $(sect).append(to); options.forEach((item, i) => {//Each Key At A Time || Each Option At A Time $(to).show(); let div = $("

"); $(div).css({"width":"20%", "overflow":"hidden", "border":"2px solid black", "marginBottom":"2%", "padding":"1%"}); let lbl = $(""); $(lbl).css({"width":"70%", "float":"left"}); $(lbl).text(item.name.charAt(0).toUpperCase() + item.name.substring(1)); //Radio Button || Format let inp = $(""); $(inp).attr("value", item.name); $(inp).attr("checked", "true"); $(inp).attr("name", "checkNode"); $(inp).css({"width":"20%", "float":"left"}); $(div).append(lbl); $(div).append(inp); s= 'input[name=\"' + "checkNode" + '\"]'; //JQuery Selector //s Is Query Selector $(div).on('click', s ,function(){//Delegate Event console.log("here"); curr.where = this.value; curr.promptNewNode(null, curr); }); $(sect).append(div); }); $("#fill").html(sect); } promptNewNode(type, tree){ var box = document.createElement("section"); var head = document.createElement("h3"); head.innerText = "Create Node"; box.appendChild(head); var types = ["Decision", "Chance", "End"]; switch (type) { case types[0]: box = this.promptNodeInfo(box, types[0], tree); break; case types[1]: box = this.promptNodeInfo(box, types[1], tree); break; case types[2]: box = this.promptNodeInfo(box, types[2],tree,["Name", "Description", "Answer", "Choice"]); break; default: types.forEach((item, i) => {//Each Key At A Time || Each Option At A Time let lbl = document.createElement("label");//Label radio Button //Style Label lbl.style.width = "70%"; lbl.style.float = "left"; lbl.innerText = item.charAt(0).toUpperCase() + item.substring(1); //Captilize First Letter //Div To Hold Each Label And Button Pair\ //Formatting Divs var div = document.createElement("div"); div.style.width ="80%";//%80 of Page div.style.overflow = "hidden"; div.style.border = "2px solid black"; div.style.marginBottom = "2%"; div.style.padding = "1%"; //Radio Button || Format let rad = document.createElement("input"); rad.type = "radio"; rad.value = item; //Value Of Option Key rad.checked = true; //Default Select rad.name = "createNode"; //Name Set = Node Name rad.style.width = "20%"; rad.style.float = "left"; div.appendChild(lbl); div.appendChild(rad); box.appendChild(div); var curr = this; var s= 'input[name=\"' + rad.name + '\"]'; //JQuery Selector //s Is Query Selector $(div).on('click', s ,function(){//Delegate Event curr.promptNewNode(this.value, tree); }); }); } $("#fill").html(box); } promptNodeInfo(box, type, tree, vals = ["Name", "Description", "Choice"]){ var head = document.createElement("h4"); head.innerText = type; box.appendChild(head); vals.forEach((item, i) => {//Each Key At A Time || Each Option At A Time let lbl = document.createElement("label");//Label radio Button //Style Label lbl.style.width = "40%"; lbl.style.float = "left"; lbl.innerText = item.charAt(0).toUpperCase() + item.substring(1); //Captilize First Letter //Div To Hold Each Label And Button Pair\ //Formatting Divs var div = document.createElement("div"); div.style.width ="50%";//%50 of Page div.style.overflow = "hidden"; div.style.border = "2px solid black"; div.style.marginBottom = "2%"; div.style.padding = "1%"; //Text || Format let rad = document.createElement("input"); rad.type = "text"; rad.placeholder = item; rad.name = item; //Name Set = Node Name rad.style.width = "50%"; rad.style.float = "left"; div.appendChild(lbl); div.appendChild(rad); box.appendChild(div); }); var button = document.createElement("input"); button.type = "button"; button.name = type; button.value = "Submit Info"; box.appendChild(button); var curr = this; var s= 'input[name=\"' + button.name + '\"]'; //JQuery Selector //s Is Query Selector $(box).on('click', s ,function(){//Delegate Event let inputs = document.getElementsByTagName('input'); curr.createNode(type, inputs, tree); }); return box } set temp(x){ this._temp = x; } get temp(){ return this._temp; } set root(x){ this._root = x; } get root(){ return this._root; } display(){ this.root.display(); } //This allows A Prompt Answer To be Returned //Find A Node Withing The Tree, By Name || Uses Recursion findNode(name, op = this.root){ var val; if(op instanceof Node && op.name == name){ return op; } if (op instanceof Node) { op = op.options; } var keys = Object.keys(op); keys.forEach((item, i) => { if(op[item].name == name){ val = op[item]; } }); if(val instanceof Node){ return val; } keys.forEach((item, i) => { if(this.findNode(name, op[item].options) instanceof Node){ val = this.findNode(name, op[item].options); } }); if(val instanceof Node){ return val; } return val; } findEnds(op = this.root){ var val = [] if(op instanceof End){ val.push(op); } if (!(op instanceof Array)) { op = op.options; } var keys = Object.keys(op); if(keys.length > 0){ keys.forEach((item, i) => { if(op[item] instanceof End){ val.push(op[item]); } }); keys.forEach((item, i) => { val = val.concat(this.findEnds(op[item].options)); }); } return val; } findDecisions(op = this.root){ var val = [] if(op instanceof Decision){ val.push(op); } if(!(op instanceof Array) && op){ op = op.options; var keys = Object.keys(op); keys.forEach((item, i) => { if(op[item] instanceof Decision ){ val.push(op[item]); } }); keys.forEach((item, i) => { if(op[item].options){ val = val.concat(this.findDecisions(op[item].options)); } }); } return val; } findChances(op = this.root){ var val = [] if(op instanceof Chance){ val.push(op); } if (!(op instanceof Array) && (op instanceof Node)) { op = op.options; var keys = Object.keys(op); if(keys.length > 0){ keys.forEach((item, i) => { if(op[item] instanceof Chance){ val.push(op[item]); } }); keys.forEach((item, i) => { val = val.concat(this.findChances(op[item].options)); }); } } return val; } } //Configure tree //So Far Only By HardCode //Will Update To user Friendly Design || Challenge? Maybe? var walk = new Decision("walk", "Go For A Walk"); var umbrella = new Decision("umbrella", "Take Umbrella"); var weather1 = new Chance("YesUmbrella","Weather With Umbrella"); var weather2 = new Chance("NoUmbrella", "What Without Umbrella"); var rain1 = new End("End1", "Rain Falls", "The Rain Falls, Lucky You Took It"); var sun1 = new End("End2", "Sun Shines", "The Sun Shines, Wish I Left It"); var rain2 = new End("End3", "Rain Falls", "The Rain Falls, You Are Soaked"); var sun2 = new End("End4", "Sun Shines", "The Sun Shines, Nice I Left It"); var home = new End("End5", "Rick & Morty", "You Stay Home and Watch Tv"); walk.addOption(umbrella, "yes"); walk.addOption(home, "no"); weather1.addOption(rain1); weather1.addOption(sun1); weather2.addOption(rain2); weather2.addOption(sun2); umbrella.addOption(weather1, "yes"); umbrella.addOption(weather2, "no"); var tree= new DecisionTree(walk); var test = new DecisionTree(); // //Display // $(function(){ // $("#display").html(tree.ans); // });

DecisionTreeJS 1.2