-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathindex_ver2.html
331 lines (262 loc) · 13.1 KB
/
index_ver2.html
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
<!DOCTYPE html>
<html>
<head runat="server">
<title>DHTML</title>
<style type="text/css">
.alphaColumn {
width: 60px;
}
#spreadsheetTable {
margin: auto;
}
#menuDiv {
width: 280px;
margin: auto;
padding-bottom: 10px;
}
@keyframes ants {
to {
background-position: 100% 100%
}
}
.marchingAnts {
border: 1px solid transparent;
background: linear-gradient(white, white) padding-box,
repeating-linear-gradient(-45deg, black 0, black 25%, transparent 0, transparent 50%) 0 / .6em .6em;
animation: ants 3s linear infinite;
}
.invisible {
display: none;
}
</style>
<script language="JavaScript" type="text/javascript">
var alphaClass = document.getElementsByClassName('alphaColumn');
var selectedCell;
var numbers = 1234567890;
var letters = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
function createSpreadsheet() {
document.getElementById("spreadsheetDiv").innerHTML = buildTable(20, 10);
loadTable();
}
function buildTable(rows, columns) {
//create initial variable that contains all the text to create an HTML table
var tableHTML = "<table border='1' id='spreadsheetTable' width='650px' cellpadding='0' cellspacing='0' class='TableClass'><tr><th id='testing'></th>";
//add columns to the table with letters for IDs
for (j = 0; j < columns; j++) {
tableHTML += "<th>" + String.fromCharCode(j + 65) + "</th>";
}
//add rows to fill in the table
for (i = 1; i < rows; i++) {
tableHTML += "<tr>";
tableHTML += "<td id='0'" + i + " class='baseColumn'>" + i + "</td>";
for (j = 1; j <= columns; j++) {
var letter = String.fromCharCode(j + 64)
tableHTML += "<td id='" + letter + i + "' class='alphaColumn' onclick='clickCell(this)'></td>";
}
tableHTML += "</tr>";
}
tableHTML += "</table>";
return tableHTML;
}
//get the ID of the cell that is clicked on and pass it around
function clickCell(ref) {
//remove the marching ants from whichever cell it is currently on
for (i = 0; i < alphaClass.length; i++) {
alphaClass[i].classList.remove('marchingAnts');
}
//get the clicked cell's Id
selectedCell = ref.id;
//put marching ants around it
document.getElementById(selectedCell).classList.add('marchingAnts');
//update the textbox with the contents of the selected cell
if (document.getElementById(selectedCell).innerText == undefined) {
document.getElementById('txtInput').value = "";
}
else if (document.getElementById(selectedCell).innerText == document.getElementById(selectedCell).innerHTML) {
document.getElementById('txtInput').value = document.getElementById(selectedCell).innerText;
}
else {
let cellHTML = document.getElementById(selectedCell).innerHTML;
let cellInnerText = document.getElementById(selectedCell).innerText;
document.getElementById('txtInput').value = cellHTML.slice(cellHTML.indexOf('>') + 1, cellHTML.indexOf(')') + 1);
//document.getElementById('txtInput').value = document.getElementById(selectedCell).innerText;
}
}
function calculateSum(firstCell, secondCell) {
let firstCellColumn = firstCell.substr(0, 1);
let firstCellRow = firstCell.substr(1, 2);
let secondCellColumn = secondCell.substr(0, 1);
let secondCellRow = secondCell.substr(1, 2);
//if you're trying to calculate the sum of a column
if (firstCellColumn == secondCellColumn) {
var sumOutput = 0;
for (i = firstCellRow; i <= secondCellRow; i++) {
var cellId = firstCellColumn + i;
var cellText = document.getElementById(cellId).innerText;
var cellValue = parseInt(document.getElementById(cellId).innerText);
if (cellText == "") {
var cellValue = 0;
}
else if (isNaN(cellValue) == true) {
alert("You can only calculate the SUM of integers.");
return;
}
var sumOutput = sumOutput + cellValue;
}
document.getElementById(selectedCell).innerHTML = "<span class='invisible'>=SUM(" + firstCell + ":" + secondCell + ")" + selectedCell + "</span>" + sumOutput;
}
//if you're trying to calculate the sum of a row
else if (firstCellRow == secondCellRow) {
var firstCellColumnCharCode = firstCellColumn.charCodeAt(0);
var secondCellColumnCharCode = secondCellColumn.charCodeAt(0);
var sumOutput = 0;
for (i = firstCellColumnCharCode; i<=secondCellColumnCharCode; i++) {
var cellId = String.fromCharCode(i) + firstCellRow;
var cellText = document.getElementById(cellId).innerText;
var cellValue = parseInt(document.getElementById(cellId).innerText);
if (cellText == "") {
var cellValue = 0;
}
else if (isNaN(cellValue) == true) {
alert("You can only calculate the SUM of integers.");
return;
}
var sumOutput = sumOutput + cellValue;
}
document.getElementById(selectedCell).innerHTML = "<span class='invisible'>=SUM(" + firstCell + ":" + secondCell + ")" + selectedCell + "</span>" + sumOutput;
}
}
//put the textbox value into the cell
function editCell(selectedCell) {
let inputValue = document.getElementById('txtInput').value;
document.getElementById(selectedCell).innerText = inputValue;
}
function updateCell(firstCell, secondCell, formulaCell) {
let firstCellColumn = firstCell.substr(0, 1);
let firstCellRow = firstCell.substr(1, 2);
let secondCellColumn = secondCell.substr(0, 1);
let secondCellRow = secondCell.substr(1, 2);
//if you're trying to calculate the sum of a column
if (firstCellColumn == secondCellColumn) {
var sumOutput = 0;
for (i = firstCellRow; i <= secondCellRow; i++) {
var cellId = firstCellColumn + i;
var cellText = document.getElementById(cellId).innerText;
var cellValue = parseInt(document.getElementById(cellId).innerText);
if (cellText == "") {
var cellValue = 0;
}
else if (isNaN(cellValue) == true) {
alert("You can only calculate the SUM of integers.");
return;
}
var sumOutput = sumOutput + cellValue;
}
document.getElementById(formulaCell).innerHTML = "<span class='invisible'>=SUM(" + firstCell + ":" + secondCell + ")" + formulaCell + "</span>" + sumOutput;
}
//if you're trying to calculate the sum of a row
else if (firstCellRow == secondCellRow) {
var firstCellColumnCharCode = firstCellColumn.charCodeAt(0);
var secondCellColumnCharCode = secondCellColumn.charCodeAt(0);
var sumOutput = 0;
for (i = firstCellColumnCharCode; i <= secondCellColumnCharCode; i++) {
var cellId = String.fromCharCode(i) + firstCellRow;
var cellText = document.getElementById(cellId).innerText;
var cellValue = parseInt(document.getElementById(cellId).innerText);
if (cellText == "") {
var cellValue = 0;
}
else if (isNaN(cellValue) == true) {
alert("You can only calculate the SUM of integers.");
return;
}
var sumOutput = sumOutput + cellValue;
}
document.getElementById(formulaCell).innerHTML = "<span class='invisible'>=SUM(" + firstCell + ":" + secondCell + ")" + formulaCell + "</span>" + sumOutput;
}
}
//listen for keypress, specifically enter
document.addEventListener("keypress", function (e) {
//keyCode 13 = enter key
if (e.keyCode === 13) {
//store value from input text box into a variable
var inputValue = document.getElementById('txtInput').value;
//if a formula is entered, call calculateSum function
if (inputValue.substr(0, 4) == "=SUM") {
var firstCell = inputValue.slice(inputValue.indexOf('(') + 1, inputValue.indexOf(':'));
var secondCell = inputValue.slice(inputValue.indexOf(':') + 1, inputValue.indexOf(')'));
calculateSum(firstCell, secondCell);
}
//if there is no formula, just update the cell's contents to what was in the input box
else {
editCell(selectedCell);
}
//clear the textbox and unselect the cell
document.getElementById(selectedCell).classList.remove('marchingAnts');
document.getElementById('txtInput').value = "";
//loop through table cells and update all =SUM cells
for (let c = 1; c <= 10; c++) {
for (let r = 1; r <= 19; r++) {
let column = String.fromCharCode(c + 64);
let id = column + r;
var cellData = document.getElementById(id).innerHTML;
//if the cell is a calculated field
if (cellData.startsWith("<span") == true) {
let firstCell = cellData.slice(cellData.indexOf('(') + 1, cellData.indexOf(':'));
let secondCell = cellData.slice(cellData.indexOf(':') + 1, cellData.indexOf(')'));
let formulaCell = cellData.slice(cellData.indexOf(')') + 1, cellData.indexOf('</'));
//go to calculate function and re calculate in case anything in the original cells has changed
updateCell(firstCell, secondCell, formulaCell);
}
}
}
}
});
//loop through table cells and save data in each cell
function saveTable() {
for (let c = 1; c <= 10; c++) {
for (let r = 1; r <= 19; r++) {
let column = String.fromCharCode(c + 64);
let id = column + r;
let cellData = document.getElementById(id).innerHTML;
localStorage.setItem(id, document.getElementById(id).innerHTML);
}
}
}
//loop back through table and put the saved value in each cell
function loadTable() {
for (let c = 1; c <= 10; c++) {
for (let r = 1; r <= 19; r++) {
let column = String.fromCharCode(c + 64);
let id = column + r;
let cellData = document.getElementById(id).innerHTML;
document.getElementById(id).innerHTML = localStorage.getItem(id);
}
}
}
//clear table and remove local storage data
function clearTable() {
for (let c = 1; c <= 10; c++) {
for (let r = 1; r <= 19; r++) {
let column = String.fromCharCode(c + 64);
let id = column + r;
let cellData = document.getElementById(id).innerHTML;
document.getElementById(id).innerHTML = "";
//uncomment line below if you want the clear button to clear the local storage as well
//localStorage.removeItem(id);
}
}
}
</script>
</head>
<body onload="createSpreadsheet()">
<div id="menuDiv">
<input id="btnLoad" type="button" value="Load" onclick="loadTable()" />
<input id="btnSave" type="button" value="Save" onclick="saveTable()" />
<input id="btnClear" type="button" value="Clear" onclick="clearTable()" />
<input type="text" id="txtInput" />
</div>
<div id="spreadsheetDiv">
</div>
</body>
</html>