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ProgrammerKRProgrammerKR
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Update index.html
1 parent ded08a1 commit 84b440e

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Lines changed: 34 additions & 142 deletions

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‎index.html‎

Lines changed: 34 additions & 142 deletions
Original file line numberDiff line numberDiff line change
@@ -55,15 +55,13 @@
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<div class="formula-bar">
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<input type="text" id="formulaInput" class="form-control" placeholder="Enter a formula (e.g., =SUM(A1:A5))" />
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</div>
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<table id="excelTable" class="table table-bordered">
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<!-- Table will be dynamically populated by JavaScript -->
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</table>
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<table id="excelTable" class="table table-bordered"></table>
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</div>
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<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha1/dist/js/bootstrap.bundle.min.js"></script>
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<script>
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const rows = 20; // Adjust to manage performance
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const cols = 20; // Adjust to manage performance
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const rows = 20;
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const cols = 20;
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const table = document.getElementById('excelTable');
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const formulaInput = document.getElementById('formulaInput');
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@@ -81,163 +79,57 @@
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}
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}
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84-
// Update cell when input is changed
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function updateCell(event) {
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const input = event.target;
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const [_, row, col] = input.id.split('-').map(Number);
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let value = input.value.trim();
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90-
// Formula handling
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if (value.startsWith('=') && value.length > 1) {
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value = parseFormula(value.slice(1), row, col);
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input.value = value;
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input.value = evaluateFormula(value.slice(1));
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}
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}
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97-
// Handle cell selection
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function selectCell(event) {
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const allCells = document.querySelectorAll('input');
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allCells.forEach(cell => cell.classList.remove('selected'));
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document.querySelectorAll('input').forEach(cell => cell.classList.remove('selected'));
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event.target.classList.add('selected');
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}
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104-
// Formula parser (example: SUM, AVERAGE, etc.)
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function parseFormula(formula, row, col) {
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if (formula.startsWith('SUM')) {
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return parseSumFormula(formula, row, col);
108-
} else if (formula.startsWith('AVERAGE')) {
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return parseAverageFormula(formula, row, col);
110-
} else if (formula.startsWith('MIN')) {
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return parseMinFormula(formula, row, col);
112-
} else if (formula.startsWith('MAX')) {
113-
return parseMaxFormula(formula, row, col);
114-
} else if (formula.startsWith('COUNT')) {
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return parseCountFormula(formula, row, col);
116-
} else if (formula.startsWith('IF')) {
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return parseIfFormula(formula, row, col);
118-
} else if (formula.startsWith('ROUND')) {
119-
return parseRoundFormula(formula, row, col);
120-
} else if (formula.startsWith('CONCATENATE')) {
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return parseConcatenateFormula(formula, row, col);
122-
} else if (formula.startsWith('LEN')) {
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return parseLenFormula(formula, row, col);
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} else if (formula.startsWith('PRODUCT')) {
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return parseProductFormula(formula, row, col);
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} else if (formula.startsWith('SQRT')) {
127-
return parseSqrtFormula(formula, row, col);
128-
} else if (formula.startsWith('MOD')) {
129-
return parseModFormula(formula, row, col);
130-
} else if (formula.startsWith('POWER')) {
131-
return parsePowerFormula(formula, row, col);
132-
} else if (formula.startsWith('ABS')) {
133-
return parseAbsFormula(formula, row, col);
134-
} else if (formula.startsWith('MAXA')) {
135-
return parseMaxAFormula(formula, row, col);
136-
} else if (formula.startsWith('MINA')) {
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return parseMinAFormula(formula, row, col);
138-
} else if (formula.startsWith('TODAY')) {
139-
return parseTodayFormula(formula, row, col);
140-
} else if (formula.startsWith('NOW')) {
141-
return parseNowFormula(formula, row, col);
142-
} else if (formula.startsWith('TRIM')) {
143-
return parseTrimFormula(formula, row, col);
144-
} else if (formula.startsWith('ISNUMBER')) {
145-
return parseIsNumberFormula(formula, row, col);
146-
} else if (formula.startsWith('ISEVEN')) {
147-
return parseIsEvenFormula(formula, row, col);
148-
} else if (formula.startsWith('ISODD')) {
149-
return parseIsOddFormula(formula, row, col);
150-
} else if (formula.startsWith('IFERROR')) {
151-
return parseIfErrorFormula(formula, row, col);
96+
function evaluateFormula(formula) {
97+
try {
98+
if (formula.startsWith('SUM')) return calculateRange(formula, 'SUM');
99+
if (formula.startsWith('AVERAGE')) return calculateRange(formula, 'AVERAGE');
100+
if (formula.startsWith('MIN')) return calculateRange(formula, 'MIN');
101+
if (formula.startsWith('MAX')) return calculateRange(formula, 'MAX');
102+
return formula;
103+
} catch (error) {
104+
return 'ERROR';
152105
}
153-
// Add more formulas as needed
154-
return formula;
155106
}
156107

157-
// Example formulas
158-
function parseSumFormula(formula, row, col) {
159-
const rangeMatch = formula.match(/SUM(\w+)(\d+):(\w+)(\d+)/);
160-
if (rangeMatch) {
161-
const startCol = rangeMatch[1].charCodeAt(0) - 65;
162-
const startRow = parseInt(rangeMatch[2]) - 1;
163-
const endCol = rangeMatch[3].charCodeAt(0) - 65;
164-
const endRow = parseInt(rangeMatch[4]) - 1;
165-
let sum = 0;
166-
for (let r = startRow; r <= endRow; r++) {
167-
for (let c = startCol; c <= endCol; c++) {
168-
const targetCell = document.getElementById(`cell-${r}-${c}`);
169-
const value = parseFloat(targetCell.value) || 0;
170-
sum += value;
171-
}
108+
function calculateRange(formula, type) {
109+
const match = formula.match(/([A-Z]+)(\d+):([A-Z]+)(\d+)/);
110+
if (!match) return 'INVALID';
111+
112+
const [_, col1, row1, col2, row2] = match;
113+
const startRow = parseInt(row1) - 1;
114+
const startCol = col1.charCodeAt(0) - 65;
115+
const endRow = parseInt(row2) - 1;
116+
const endCol = col2.charCodeAt(0) - 65;
117+
118+
let values = [];
119+
for (let r = startRow; r <= endRow; r++) {
120+
for (let c = startCol; c <= endCol; c++) {
121+
const cell = document.getElementById(`cell-${r}-${c}`);
122+
if (cell) values.push(parseFloat(cell.value) || 0);
172123
}
173-
return sum;
174124
}
175-
return formula;
176-
}
177125

178-
function parseAverageFormula(formula, row, col) {
179-
const rangeMatch = formula.match(/AVERAGE(\w+)(\d+):(\w+)(\d+)/);
180-
if (rangeMatch) {
181-
const startCol = rangeMatch[1].charCodeAt(0) - 65;
182-
const startRow = parseInt(rangeMatch[2]) - 1;
183-
const endCol = rangeMatch[3].charCodeAt(0) - 65;
184-
const endRow = parseInt(rangeMatch[4]) - 1;
185-
let sum = 0, count = 0;
186-
for (let r = startRow; r <= endRow; r++) {
187-
for (let c = startCol; c <= endCol; c++) {
188-
const targetCell = document.getElementById(`cell-${r}-${c}`);
189-
const value = parseFloat(targetCell.value) || 0;
190-
sum += value;
191-
count++;
192-
}
193-
}
194-
return count > 0 ? sum / count : 0;
195-
}
196-
return formula;
197-
}
126+
if (type === 'SUM') return values.reduce((a, b) => a + b, 0);
127+
if (type === 'AVERAGE') return values.length ? (values.reduce((a, b) => a + b, 0) / values.length) : 0;
128+
if (type === 'MIN') return Math.min(...values);
129+
if (type === 'MAX') return Math.max(...values);
198130

199-
function parseMinFormula(formula, row, col) {
200-
const rangeMatch = formula.match(/MIN(\w+)(\d+):(\w+)(\d+)/);
201-
if (rangeMatch) {
202-
const startCol = rangeMatch[1].charCodeAt(0) - 65;
203-
const startRow = parseInt(rangeMatch[2]) - 1;
204-
const endCol = rangeMatch[3].charCodeAt(0) - 65;
205-
const endRow = parseInt(rangeMatch[4]) - 1;
206-
let min = Infinity;
207-
for (let r = startRow; r <= endRow; r++) {
208-
for (let c = startCol; c <= endCol; c++) {
209-
const targetCell = document.getElementById(`cell-${r}-${c}`);
210-
const value = parseFloat(targetCell.value) || Infinity;
211-
min = Math.min(min, value);
212-
}
213-
}
214-
return min;
215-
}
216-
return formula;
131+
return 'INVALID';
217132
}
218-
219-
// Add more formulas here like MAX, COUNT, etc.
220-
function parseMaxFormula(formula, row, col) { ... }
221-
function parseCountFormula(formula, row, col) { ... }
222-
function parseIfFormula(formula, row, col) { ... }
223-
function parseRoundFormula(formula, row, col) { ... }
224-
function parseConcatenateFormula(formula, row, col) { ... }
225-
function parseLenFormula(formula, row, col) { ... }
226-
function parseProductFormula(formula, row, col) { ... }
227-
function parseSqrtFormula(formula, row, col) { ... }
228-
function parseModFormula(formula, row, col) { ... }
229-
function parsePowerFormula(formula, row, col) { ... }
230-
function parseAbsFormula(formula, row, col) { ... }
231-
function parseMaxAFormula(formula, row, col) { ... }
232-
function parseMinAFormula(formula, row, col) { ... }
233-
function parseTodayFormula(formula, row, col) { ... }
234-
function parseNowFormula(formula, row, col) { ... }
235-
function parseTrimFormula(formula, row, col) { ... }
236-
function parseIsNumberFormula(formula, row, col) { ... }
237-
function parseIsEvenFormula(formula, row, col) { ... }
238-
function parseIsOddFormula(formula, row, col) { ... }
239-
function parseIfErrorFormula(formula, row, col) { ... }
240-
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</script>
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</body>
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</html>

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