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basic calculator.html
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basic calculator.html
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<html>
<head>
<!--문서 이름 설정-->
<title>Human Computer Interface Assignment 1</title>
<!--CSS 설정-->
<style>
h1 {
font-family: "Avant Garde", Avantgarde, "Century Gothic", CenturyGothic, "AppleGothic", sans-serif;
font-size: 30px;
padding: 20px 10px;
text-align: center;
text-transform: uppercase;
text-rendering: optimizeLegibility;
color: #e0dfdc;
background-color: #333;
letter-spacing: .1em;
text-shadow:
0 -1px 0 #fff,
0 1px 0 #2e2e2e,
0 2px 0 #2c2c2c,
0 3px 0 #2a2a2a,
0 4px 0 #282828,
0 5px 0 #262626,
0 6px 0 #242424,
0 7px 0 #222,
0 8px 0 #202020,
0 9px 0 #1e1e1e,
0 10px 0 #1c1c1c,
0 11px 0 #1a1a1a,
0 12px 0 #181818,
0 13px 0 #161616,
0 14px 0 #141414,
0 15px 0 #121212,
0 22px 30px rgba(0, 0, 0, 0.9);
}
#calculator {
font-size: 0;
width: 400px;
height: 610;
background-color: #162249;
padding: 20px;
margin: auto;
border-radius: 10px;
}
#result {
width: 390px;
height: 120px;
margin-bottom: 3px;
padding: 0px 5px 0px 5px;
background-color: #eeeff0;
border-radius: 2px;
display: inline-flex;
justify-content: flex-end;
align-items: center;
overflow: hidden;
box-shadow: inset 0 0px 3px;
font: 20px digital;
}
#latex {
width: 390px;
height: 30px;
margin-top: 2px;
margin-bottom: 5px;
padding: 0px 5px 0px 5px;
background-color: #eeeff0;
border-radius: 5px;
display: inline-flex;
justify-content: flex-end;
align-items: center;
overflow: hidden;
box-shadow: inset 0 0px 3px;
font: 15px bold;
overflow: auto;
overflow-y: scroll;
}
#group-btn{
width: 390px;
height: 120px;
box-shadow: inset 0 0px 3px;
margin-bottom: 1px;
padding: 0px 5px 0px 5px;
}
.image{
width: 395px;
height: 110px;
position: absolute;
display: none;
}
.image img{
position: absolute; top:0; left:0;
width: 100%;
height: 100%;
display: none;
}
th, td { border:2px solid black; }
.key {
width: 75px;
height: 40px;
background-color: #eeeff0;
display: inline-flex;
margin: 3px 5px 8px 0px;
vertical-align: middle;
justify-content: center;
align-items: center;
padding: 5px 0px 5px 0px;
border-radius: 4px;
cursor: pointer;
box-shadow: 0 3px 0 #a1a1a1, 0 2px 5px rgba(0, 0, 0, .75);
font: bold 20px sans-serif;
}
.key:active {
background-color: #a1a1a1;
box-shadow: 0 5px #666;
transform: translateY(4px);
}
/*콤마, 쉼표 스타일*/
.small-key {
width: 35px;
height: 40px;
background-color: #eeeff0;
display: inline-flex;
margin: 3px 5px 8px 0px;
vertical-align: middle;
justify-content: center;
align-items: center;
padding: 5px 0px 5px 0px;
border-radius: 4px;
cursor: pointer;
box-shadow: 0 3px 0 #a1a1a1, 0 2px 5px rgba(0, 0, 0, .75);
font: bold 20px sans-serif;
position: static;
z-index: 1;
}
.eval-key {
background-color: #0e9700;
color: white;
}
.clear-key {
background-color: #e72e1e;
color: white;
}
.back-key{
background-color: #ea5414;
color:white;
}
.helper{
width: 40px;
height: 15px;
background-color: #fad5d2;
color:#162249;
border-radius: 15px;
}
.help{
position: relative;
left:70px;
}
.back{
width: 55px;
position: relative;
left: 5px;
}
.history{
position: relative;
width: 70px;
left:30px;
background-color: #9cafdf;
}
.copy{
position: relative;
width: 70px;
left:20px;
background-color: #214bd6;
color: white;
}
.paste{
position: relative;
width: 70px;
left:50px;
background-color: #214bd6;
color: white;
}
.grouping-key{
width: 419px;
height: 200px;
display: none;
padding-left: 0px;
border-radius: 5px;
position: absolute;
overflow-y: auto;
margin-top: -195px;
z-index: 2;
}
.i1{
width: 40px;
height: 30px;
text-align: center;
margin-bottom: 2px;
margin-top: 1px;
}
/*main group 영역*/
.main-key{
width: 116px;
height: 40px;
padding:5px;
margin:4px 2px 4px 2px;
font: italic bold 20px "Times New Roman";
background-color: #93a0b4;
font: bold 18px "Times New Roman"
}
.function-key{
width:120px;
height: 110px;
padding:0px;
margin:0px;
font: italic bold 20px "Times New Roman";
color: black;
background-color: #e7cc53;
}
/*함수작성 스타일*/
.style1{
width: 90px;
height: 100px;
margin: 50px 1px 1px 1px;
}
/*변수 스타일*/
.style2{
width: 70px;
height: 60px;
margin: 50px 1px 1px 1px;
}
/*논리연산 스타일*/
.style3{
width: 60px;
height: 60px;
margin: 50px 1px 1px 1px;
}
/*삼각함수 스타일*/
.style4{
width: 60px;
height: 55px;
margin: 1px 1px 1px 1px;
}
/*지수/로그 스타일*/
.style5{
width: 150px;
height: 120px;
margin: 50px 1px 1px 1px;
}
/*벡터/행렬 스타일*/
.style6{
width: 65px;
height: 60px;
margin: 50px 1px 1px 1px;
}
/*벡터 직접 입력 간접 입력 버튼*/
.style7{
width: 90;
height: 60;
margin: 50px 1px 1px 1px;
}
#main{
width: 150px;
height: 50px;
}
#function-view{
width: 393px;
height: 120px;
display: none;
position:absolute;
background-color: #a1a1a1;
margin-top : -122px;
box-shadow: inset 0 0px 3px;
font: 20px digital;
padding-left: 10px;
}
#table-view{
width: 393px;
height: 120px;
display: none;
position:absolute;
background-color: #a1a1a1;
margin-top : -122px;
box-shadow: inset 0 0px 3px;
font: 20px digital;
padding-left: 10px;
border-collapse:collapse;
overflow: auto;
overflow-y: scroll;
}
#vector_simple_table{
width: 393px;
height: 120px;
display: none;
position:absolute;
margin-top : -122px;
box-shadow: inset 0 0px 3px;
padding-left: 10px;
}
#btnInsert{
margin-left: 5px;
}
#min-max{
width: 393px;
height: 130px;
display: none;
position:absolute;
background-color: #a1a1a1;
margin-top : -130px;
box-shadow: inset 0 0px 3px;
font: 20px digital;
padding-left: 10px;
}
#plot{
width:395px;
height:310px;
align-items : center;
position : absolute;
display:none;
background-color: #a1a1a1;
}
</style>
<!--자바 스크립트-->
<script src='https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js' type='text/javascript'></script>
<script src='./src/math.js' type='text/javascript'></script>
<script type="text/javascript" async
src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<script src='./src/plotly.js'></script>
<!-- Latest compiled and minified plotly.js JavaScript -->
<script src="https://cdn.plot.ly/plotly-latest.min.js"></script>
<script type="text/x-mathjax-config">
MathJax.Hub.Config({
"HTML-CSS": { scale: 75}
});
</script>
<script type="text/javascript">
//화면에 보이는 값
var displayValue = '0';
//입 출력 배열 저장 변수
var inputVal = new Array();
var outputVal = new Array();
//복사한 텍스트 저장 변수
var copy_txt="";
//복사하기 버튼 활성화 유무
var copy_flag=false
//그래프 최대 최솟값 받기
var min='-20';
var max='20';
//함수 인자 넣기
var f='0';
var g='0';
var h='0';
//변수 인자 넣기
var x='0';
var y='0';
var z='0';
var w='0';
//도움말 기능 출력 or 출력 x 플래그
var help_flag=false;
//도움말 메세지 저장
var message="";
var main_view=function(){
$('#func').hide();
$('#var').hide();
$('#logic').hide();
$('#tri_func').hide();
$('#exp_log').hide();
$('#vector').hide();
$('#function-view').hide();
$('#min-max').hide();
$('#plot').hide();
$('#table-view').hide();
hide_image();
$('#vector_simple').hide();
$('#vector_simple_table').hide();
$('#main-key').show();
}
var hide_image=function(){
$('.image').hide();
$('#imgRoot').hide();
$('#imgLog').hide();
$('#imgExp').hide();
$('#imgSin').hide();
$('#imgVector').hide();
$('#imgInverse').hide();
$('#imgCross').hide();
$('#imgDot').hide();
$('#imgDet').hide();
$('#imgMatrix').hide();
$('#imgSquare').hide();
$('#imgElse').hide();
$('#imgHistory').hide();
$('#imgCopy').hide();
$('#imgPaste').hide();
}
var show_history=function(){
try {
var i;
if (inputVal.length == 0) {
return;
}
//테이블 ID 가져오기
var my_tbody = document.getElementById('table_body');
//테이블 초기화
$('#history_table > tbody').empty();
var row;
var cell1;
var cell2;
//역순 출력을 위해 reverse 하기
inputVal.reverse();
outputVal.reverse();
//실제 테이블 구성
for (i = 0; i < inputVal.length; i++) {
row = my_tbody.insertRow(i);
cell1 = row.insertCell(0); //0번째 열에 추가
cell2 = row.insertCell(1); //1번째 열에 추가
cell1.innerHTML = inputVal[i]; //입력한 수식들 저장 배열
cell2.innerHTML = outputVal[i]; //출력 값들 저장 배열
}
//다시 재 뒤집기
inputVal.reverse();
outputVal.reverse();
} catch (err) {
}
}
function selectText() {
//getSelection 함수를 이용하여 드래그된 부분 받기
var selectionText = "";
if (document.getSelection) {
selectionText = document.getSelection();
} else if (document.selection) {
selectionText = document.selection.createRange().text;
}
return selectionText;
}
//마우스를 떼면 발생하는 이벤트
document.onmouseup = function() {
//복사 버튼이 활성화되면
if(copy_flag)
{
var str=selectText();
copy_txt=str.toString();
copy_flag=false;
$('#helper').find('.copy').css('background-color','#214bd6');
}
}
//간편입력버튼
function btn() {
try {
var var1 = document.getElementById("input1").value;
var var2 = document.getElementById("input2").value;
var var3 = document.getElementById("input3").value;
var var4 = document.getElementById("input4").value;
var var5 = document.getElementById("input5").value;
var var6 = document.getElementById("input6").value;
var var7 = document.getElementById("input7").value;
var var8 = document.getElementById("input8").value;
var var9 = document.getElementById("input9").value;
//1row 채우기
if (var1 != "") {
displayValue += "[[" + var1;
if (var2 != "") {
displayValue += "," + var2;
if (var3 != "") {
displayValue += "," + var3 + "]";
}
else {
displayValue += "]";
}
}
else {
displayValue += "]";
}
//2row 채우기
if (var4 != "") {
displayValue += ",[" + var4;
if (var5 != "") {
displayValue += "," + var5;
if (var6 != "") {
displayValue += "," + var6 + "]";
}
else {
displayValue += "]";
}
}
else {
displayValue += "]";
}
}
//3row 채우기
if (var7 != "") {
displayValue += ",[" + var7;
if (var8 != "") {
displayValue += "," + var8;
if (var9 != "") {
displayValue += "," + var9 + "]";
}
else {
displayValue += "]";
}
}
else {
displayValue += "]"
}
}
displayValue += "]";
}
else {
}
$('#result').text(displayValue);
main_view();
} catch (err) {
console.error(err);
alert(err);
}
}
//웹 문서의 DOM 트리가 준비가 되면 시작한다
//.ready 아래부터 jquery 작성을 해야 함
$(document).ready(function(){
var parser = math.parser();
$('#result').text(displayValue);
$('#latex').html('$$' + math.parse(displayValue).toTex() + '$$');
$('.key').each(function(index, key){
$(this).click(function(e){
var fullstring;
if(displayValue == '0') displayValue = '';
if($(this).text() == 'EV')
{
try
{
fullstring=displayValue;
displayValue = parser.eval(displayValue).toString();
var tokens = displayValue.split(' ');
if(tokens[0] == 'function')
{
displayValue = tokens[0];
//함수 받기
if(fullstring.slice(0, 4) == 'f(x)'){
f = fullstring.slice(5);
}
else if(fullstring.slice(0, 4) == 'g(x)'){
g = fullstring.slice(5);
}
else if(fullstring.slice(0, 4) == 'h(x)'){
h = fullstring.slice(5);
}
}
if(fullstring.slice(0,1)=='x' && fullstring.slice(1,2)=='=')
{
x=fullstring.slice(2);
}
else if(fullstring.slice(0,1)=='y' && fullstring.slice(1,2)=='=')
{
y=fullstring.slice(2);
}
else if(fullstring.slice(0,1)=='z' && fullstring.slice(1,2)=='=')
{
z=fullstring.slice(2);
}
else if(fullstring.slice(0,1)=='w' && fullstring.slice(1,2)=='=')
{
w=fullstring.slice(2);
}
inputVal.push(fullstring);
outputVal.push(displayValue);
//실제 값 계산 후 넣음
$('#result').text(displayValue);
displayValue = '';
}
catch (e)
{
displayValue = '0';
if(displayValue != 'function')
{
$('#result').text(e);
}
}
}
else if($(this).hasClass('main-key'))
{
if($(this).text() == '함수')
{
$('#main-key').hide();
$('#func').show();
}
else if($(this).text() == '변수')
{
$('#main-key').hide();
$('#var').show();
}
else if($(this).text() == '논리연산')
{
$('#main-key').hide();
$('#logic').show();
}
else if($(this).text() == '삼각함수')
{
$('#main-key').hide();
$('#tri_func').show();
}
else if($(this).text() == '지수/로그')
{
$('#main-key').hide();
$('#exp_log').show();
}
else if($(this).text() == '벡터/행렬')
{
$('#main-key').hide();
$('#vector').show();
}
}
else
{
if($(this).text() == 'C')
{
displayValue = '0';
$('#result').text(displayValue);
main_view();
}
else if($(this).text()=='←')
{
displayValue = displayValue.slice(0, -1);
$('#result').text(displayValue);
//undefined 나오는거 방지
if(displayValue.length==0)
{
displayValue+='0';
$('#result').text(displayValue);
}
}
else if($(this).text()=='Back')
{
main_view();
}
else if($(this).text()=='f(x)'||$(this).text()=='g(x)'||$(this).text()=='h(x)' )
{
displayValue += $(this).text();
displayValue += '=';
$('#result').text(displayValue);
main_view();
}
else if($(this).text()=='x' ||$(this).text()=='y'
||$(this).text()=='z'||$(this).text()=='w'||
$(this).text()=='a'||$(this).text()=='b')
{
displayValue += $(this).text();
$('#result').text(displayValue);
main_view();
}
else if($(this).text()=='=='||$(this).text()=='!='||
$(this).text()=='>'||$(this).text()=='>='||
$(this).text()=='<'||$(this).text()=='<=')
{
displayValue += $(this).text();
$('#result').text(displayValue);
main_view();
}
else if($(this).text()=='sin'||$(this).text()=='cos'||
$(this).text()=='tan'||$(this).text()=='sec'||
$(this).text()=='csc'||$(this).text()=='cot'||
$(this).text()=='asin'||$(this).text()=='acos'||
$(this).text()=='atan'||$(this).text()=='sinh'||
$(this).text()=='cosh'||$(this).text()=='tanh'||
$(this).text()=='sech'||$(this).text()=='csch'||
$(this).text()=='coth')
{
if(help_flag)
{
hide_image();
$('.image').show();
$('#imgSin').show();
$('#tri_func').hide();
}
else
{
displayValue += $(this).text();
displayValue += '(';
$('#result').text(displayValue);
main_view();
}
}
else if($(this).text()=='exp')
{
if(help_flag)
{
hide_image();
$('.image').show();
$('#imgExp').show();
$('#exp_log').hide();
}
else
{
displayValue += $(this).text();
displayValue +='(';
$('#result').text(displayValue);
main_view();
}
}
else if($(this).text()=='log')
{
if(help_flag)
{
hide_image();
$('.image').show();
$('#imgLog').show();
$('#exp_log').hide();
}
else
{
displayValue += $(this).text();
displayValue +='(';
$('#result').text(displayValue);
main_view();
}
}
else if($(this).text() =='외적')
{
if(help_flag)
{
hide_image();
$('.image').show();
$('#imgCross').show();
$('#vector').hide();
}
else
{
displayValue += 'cross([';
$('#result').text(displayValue);
main_view();
}
}
else if($(this).text() =='내적')
{
if(help_flag)
{
hide_image();
$('.image').show();
$('#imgDot').show();
$('#vector').hide();
}
else
{
displayValue += 'dot([';
$('#result').text(displayValue);
main_view();
}
}
else if($(this).text()=='역행렬')
{
if(help_flag)
{
hide_image();
$('.image').show();
$('#imgInverse').show();
$('#vector').hide();
}
else
{
displayValue += 'inv([';
$('#result').text(displayValue);
main_view();
}
}
else if($(this).text()=='행렬식')
{
if(help_flag)
{
hide_image();
$('.image').show();
$('#imgDet').show();
$('#vector').hide();
}
else
{
displayValue += 'det([';
$('#result').text(displayValue);
main_view();
}
}
else if($(this).text()=='행렬곱')
{
if(help_flag)
{
hide_image();
$('.image').show();
$('#imgMatrix').show();
$('#vector').hide();
}
else
{
displayValue += '[';
$('#result').text(displayValue);
main_view();
}
}
else if($(this).text()=='벡터&행렬')
{
if(help_flag)
{
hide_image();
$('.image').show();
$('#imgVector').show();
$('#vector').hide();
}
else
{
$('#vector').hide();
$('#vector_simple').show();
}
}
else if($(this).text()=='직접입력')
{
displayValue +='[';
$('#result').text(displayValue);
main_view();
}
else if($(this).text() =="간편입력")
{
$('#vector').hide();
$('#vector_simple').hide();
$('#vector_simple_table').show();
}
else if($(this).text()=='?')
{
//도움말 출력 on
if(!help_flag)
{
help_flag=true;
$('#helper').find('.help').text('X');
$('#helper').find('.help').css('background-color','#fd200b')
}
}
else if($(this).text()=='X')
{
if(help_flag)
{
help_flag=false;
$('#helper').find('.help').text('?');
$('#helper').find('.help').css('background-color','#fad5d2')
}
}
else if($(this).text()=='history')
{
if(help_flag)
{
hide_image();
$('.image').show();
$('#imgHistory').show();
}
else
{
$('#table-view').show();
$('#history_table').show();
show_history();
}
}
else if($(this).text()=='^')
{
if(help_flag)
{
hide_image();
$('.image').show();
$('#imgSquare').show();
}
else
{
displayValue += $(this).text();
$('#result').text(displayValue);
}
}
else if($(this).text()=='sqrt')
{
if(help_flag)
{
hide_image();
$('.image').show();
$('#imgRoot').show();
}
else
{
displayValue += $(this).text();
displayValue +='(';
$('#result').text(displayValue);
}
}
else if($(this).text() == '그래프')
{
$('#func').hide();
$('#function-view').show();
$('#function-view').html("f(x) = " + f + "<br> g(x) = " + g + "<br> h(x) = " + h);
$('#plot').show();
drawGraph();
$('#min-max').show();
}
else if($(this).text() == '변수값')
{
$('#var').hide();
$('#function-view').show();
$('#function-view').html("x = " + x + "<br> y = " + y +
"<br> z = " + z + "<br> w = "+ w + "<br>");
}