2022-01-07 00:48:12 +01:00

134 lines
4.2 KiB
JavaScript

import Model from "./Model";
class Custom extends Model {
constructor() {
super("Custom",
[["S", 0.97, "#1F85DE"], ["I", 0.03, "#de1f50"]],
[["S", "I", 0.5]],
20, 0.05);
this.state = {input: ""};
this.defaultColors = ["#0fa75f", "#ff225b", "#03aaf9", "#fffb00", "#cc0080"];
}
textFieldChanged = (e) => {
let input = e.target.value;
this.setState({input: input});
let parsedInput = this.parseInput(e.target.value);
//check if the input is correct, if yes then update
if (parsedInput == null) {
return;
}
this.rules = parsedInput.rules;
this.states = parsedInput.states;
}
parseInput(input) {
//regex for filtering valid rules (this is longer than it is complicated)
let re = /[[(]"?[\w\d]+"?,"?[\w\d]+"?,([0-9]*[.])?[0-9]+[)\]][\s\t]*|[([][([]("?[\w\d]+"?,)+"?[\w\d]+"?[\])],[([]("?[\w\d]+"?,)+"?[\w\d]+"?[\])],([0-9]*[.])?[0-9]+[\])][\s\t]*/g;
//strip spaces, tabs and newlines
input = input.replaceAll(" ", "");
input = input.replaceAll("\t", "");
input = input.replaceAll("\n", "");
let cleaned = input.match(re);
if(cleaned == null) {
return null;
}
let newStates = [];
let newRules = [];
//regex to match states
cleaned.forEach((element) => {
element = element.split(",");
//test if we have a simple or complex rule
if (element.length === 3) {
newRules.push(this.parseValidRule(element, newStates));
} else {
//check if there are an equal number of states left and right
if (element.length % 2 === 0) {
return;
}
//check if there is a split in the middle if not left != right
if (!element[((element.length - 1) / 2)].includes("(")) {
return;
}
//this rule is correct, we can continue
newRules.push(this.parseValidRule(element, newStates));
}
});
if (newRules.length === 0) {
return null;
}
//parse states
//for (var i = 0; i < newRules.length; i++) {
//for (var j = 0; j < newRules[i].length - 1; j++) {
//let currentState = newRules[i][j];
//if (!newStates.includes(currentState)) {
//newStates.push(currentState);
//}
//}
//}
//convert states to states with distribution and color
//newStates = newStates.map((x) => [x, 1/newStates.length, "#ffffff"]);
let i = -1;
newStates = newStates.map((x) => {
i++;
if(i < 5) {
return [x, 1/newStates.length, this.defaultColors[i]];
}
return [x, 1/newStates.length, "#ffffff"];
});
return {rules: newRules, states: newStates};
}
parseValidRule(rule, newStates) {
//filter states
let subString = rule.slice(0, rule.length - 1);
//match states
let re = /[\w\d]+/g;
subString = subString.map((x) => x.match(re)[0]);
//match probability
re = /([0-9]*[.])?[0-9]+/g
let probability = rule[rule.length - 1].match(re);
//add states
subString.forEach((e) => {
if(!newStates.includes(e)) {
newStates.push(e);
}
})
//spontaneous rule
if(subString.length === 2) {
return [...subString, Number(probability)];
}
//complex (edge) rule
let leftSide = [subString.slice(0, subString.length / 2)];
let rightSide = [subString.slice(subString.length / 2, subString.length)];
let out = [leftSide, rightSide, Number(probability)];
return out;
//let out = [0,0,0];
//out[0] = (leftSide);
//out[1] = (rightSide);
//out[2] = (Number(probability));
//return out;
}
//override render
render() {
return(<div>
<h3>Enter the rules like: <code>("S","I",0.1), (("I","S"),("I","I"),0.3)</code></h3>
<textarea className="CustomInput CustomModel" type="text" onChange={this.textFieldChanged}
value={this.state.input} required pattern="[[(]'?[\w\d]+'?,'?[\w\d]+'?,([0-9]*[.])?[0-9]+[)\]][\s\t]*|[([][([]('?[\w\d]+'?,)+'?[\w\d]+'?[\])],[([]('?[\w\d]+'?,)+'?[\w\d]+'?[\])],([0-9]*[.])?[0-9]+[\])][\s\t]*"
placeholder='("S","I",0.1), (("I","S"),("I","I"),0.3)'/>
<h3 id="selectDistributionHeader">Initial Distribution</h3>
{this.buildSlidersDistribution()}
</div>);
}
}
export default Custom;