From cf80fd251e98e921f5be668b1daf154dc7d9e4ae Mon Sep 17 00:00:00 2001
From: OkunElya <okun.elya@gmail.com>
Date: Thu, 1 Jan 2026 14:37:53 +1000
Subject: [PATCH] small refactor

---
 hw/hw7/hw7.js | 84 ++++++++++++++++++++++++++++-----------------------
 1 file changed, 47 insertions(+), 37 deletions(-)

diff --git a/hw/hw7/hw7.js b/hw/hw7/hw7.js
index 6be53d4..30459e0 100644
--- a/hw/hw7/hw7.js
+++ b/hw/hw7/hw7.js
@@ -41,7 +41,7 @@ let inputsB = {
     angle: null
 };
 
-function highlightError(errorFieldIndex, add = true) {
+function highlightErrorElement(errorFieldIndex, add = true) {
     let fields = [
         elements.equalSideLength,
         elements.baseAngle,
@@ -69,7 +69,7 @@ function setErrTooltip(errorFieldIndex, tooltip) {
         elements.outputValuesErr
     ][errorFieldIndex];
     if (errElem) {
-        highlightError(errorFieldIndex, tooltip !== "");
+        highlightErrorElement(errorFieldIndex, tooltip !== "");
 
         if (tooltip !== "") {
             errElem.classList.remove("hidden");;
@@ -146,7 +146,7 @@ function updateCalculateButton() {
     elements.calculateButton.disabled = !ret;
 }
 
-function switchAppearance(selectA) {
+function switchInputs(selectA) {
     if (selectA) {
         elements.imageA.classList.remove("hidden");
         elements.imageB.classList.add("hidden");
@@ -190,7 +190,7 @@ function displayTable(calcResults) {
 
 }
 
-function clearInputs() {
+function clearCurrentInputs() {
     if (currentModeIsA) {
         elements.equalSideLength.value = null;
         elements.baseAngle.value = null;
@@ -215,7 +215,7 @@ function clearInputs() {
     updateCalculateButton()
 }
 
-function checkAngle(angleString) {
+function check180Angle(angleString) {
     let angle = parseFloat(angleString);
     if (isNaN(angle)) {
         return "Введите корректное число";
@@ -229,6 +229,20 @@ function checkAngle(angleString) {
     return "";
 }
 
+function check90Angle(angleString) {
+    let angle = parseFloat(angleString);
+    if (isNaN(angle)) {
+        return "Введите корректное число";
+    }
+    if (angle <= 0) {
+        return "Угол должен быть больше 0";
+    }
+    if (angle >= 90) {
+        return "Угол должен быть меньше 90";
+    }
+    return "";
+}
+
 function checkLength(lengthString) {
     let length = parseFloat(lengthString);
     if (!isFinite(length)) {
@@ -240,72 +254,63 @@ function checkLength(lengthString) {
     return "";
 }
 
-elements.outputsFieldset.addEventListener('change', function (event) {
-    if (event.target.type === 'checkbox') {
-        updateCheckboxes();
-    }
-});
-
-elements.inputsForm.addEventListener('change', handleInputEvent);
-elements.inputsForm.addEventListener('input', handleInputEvent);
-
 function handleSwitchInputs(event) {
     if (event.target.id[event.target.id.length - 1].toLowerCase() == "a") {
         currentModeIsA = true;
-        switchAppearance(true);
+        switchInputs(true);
         console.log("Switching inputs to A");
     }
     else {
         currentModeIsA = false;
-        switchAppearance(false);
+        switchInputs(false);
         console.log("Switching inputs to B");
     }
 }
 
-function HandleInputsUpdate(event) {
+function handleInputsUpdate(event) {
     switch (event.target.id) {
         case "equalSideLength":
             {
                 const err = checkLength(event.target.value);
                 setErrTooltip(0, err);
-                if (err !== "") {
+                if (err === "") {
+                    inputsA.l = parseFloat(event.target.value);
+                } else {
                     inputsA.l = null;
-                    return
                 }
-                inputsA.l = parseFloat(event.target.value);
             }
             break;
         case "baseAngle":
             {
-                const err = checkAngle(event.target.value);
+                const err = check180Angle(event.target.value);
                 setErrTooltip(1, err);
-                if (err !== "") {
+                if (err === "") {
+                    inputsA.angle = parseFloat(event.target.value);
+                } else {
                     inputsA.angle = null;
-                    return;
                 }
-                inputsA.angle = parseFloat(event.target.value);
             }
             break;
         case "baseSideLength":
             {
                 const err = checkLength(event.target.value);
                 setErrTooltip(2, err);
-                if (err !== "") {
+                if (err === "") {
+                    inputsB.l = parseFloat(event.target.value);
+                } else {
                     inputsB.l = null;
-                    return;
                 }
-                inputsB.l = parseFloat(event.target.value);
             }
             break;
         case "baseAdjacentAngle":
             {
-                const err = checkAngle(event.target.value);
+                const err = check90Angle(event.target.value);
                 setErrTooltip(3, err);
-                if (err !== "") {
+                if (err === "") {
+                    inputsB.angle = parseFloat(event.target.value);
+                } else {
                     inputsB.angle = null;
-                    return;
                 }
-                inputsB.angle = parseFloat(event.target.value);
             }
             break;
         default:
@@ -316,28 +321,33 @@ function HandleInputsUpdate(event) {
 
 }
 
-function handleInputEvent(event) {
+function handleFieldsetEvent(event) {
     if (event.target.type === 'radio') {
         handleSwitchInputs(event);
     } else if (event.target.type === 'number') {
-        HandleInputsUpdate(event);
+        handleInputsUpdate(event);
     }
 }
+elements.inputsForm.addEventListener('change', handleFieldsetEvent);
+elements.inputsForm.addEventListener('input', handleFieldsetEvent);
 
+elements.outputsFieldset.addEventListener('change', (event) => {
+    if (event.target.type === 'checkbox') {
+        updateCheckboxes();
+    }
+});
 
 elements.clearButton.addEventListener('click', (event) => {
     event.preventDefault();
-    clearInputs()
+    clearCurrentInputs()
 });
 
-
 elements.calculateButton.addEventListener('click', (event) => {
     event.preventDefault();
     displayTable(getCalculations());
 });
 
 
-
 // чтобы не сконфузило
 updateCheckboxes();
-switchAppearance(elements.radioA.checked);
\ No newline at end of file
+switchInputs(elements.radioA.checked);
\ No newline at end of file