mirror of
https://github.com/RGBCube/serenity
synced 2025-07-25 10:47:44 +00:00
Spreadsheet: Start making a spreadsheet application
This commit is contained in:
parent
5b5ba91335
commit
a6ebd29aa5
13 changed files with 1183 additions and 5 deletions
93
Base/res/js/Spreadsheet/runtime.js
Normal file
93
Base/res/js/Spreadsheet/runtime.js
Normal file
|
@ -0,0 +1,93 @@
|
|||
const sheet = this
|
||||
|
||||
function range(start, end, column_step, row_step) {
|
||||
column_step = integer(column_step ?? 1)
|
||||
row_step = integer(row_step ?? 1)
|
||||
start = sheet.parse_cell_name(start) ?? {column: 'A', row: 0}
|
||||
end = sheet.parse_cell_name(end) ?? start
|
||||
|
||||
if (end.column.length > 1 || start.column.length > 1)
|
||||
throw new TypeError("Only single-letter column names are allowed (TODO)");
|
||||
|
||||
const cells = []
|
||||
|
||||
for (let col = Math.min(start.column.charCodeAt(0), end.column.charCodeAt(0));
|
||||
col <= Math.max(start.column.charCodeAt(0), end.column.charCodeAt(0));
|
||||
++col) {
|
||||
for (let row = Math.min(start.row, end.row);
|
||||
row <= Math.max(start.row, end.row);
|
||||
++row) {
|
||||
|
||||
cells.push(String.fromCharCode(col) + row)
|
||||
}
|
||||
}
|
||||
|
||||
return cells
|
||||
}
|
||||
|
||||
// FIXME: Remove this and use String.split() eventually
|
||||
function split(str, sep) {
|
||||
const parts = []
|
||||
let split_index = -1
|
||||
for(;;) {
|
||||
split_index = str.indexOf(sep)
|
||||
if (split_index == -1) {
|
||||
if (str.length)
|
||||
parts.push(str)
|
||||
return parts
|
||||
}
|
||||
parts.push(str.substring(0, split_index))
|
||||
str = str.slice(split_index + sep.length)
|
||||
}
|
||||
}
|
||||
|
||||
function R(fmt, ...args) {
|
||||
if (args.length !== 0)
|
||||
throw new TypeError("R`` format must be literal")
|
||||
|
||||
fmt = fmt[0]
|
||||
return range(...split(fmt, ':'))
|
||||
}
|
||||
|
||||
function select(criteria, t, f) {
|
||||
if (criteria)
|
||||
return t;
|
||||
return f;
|
||||
}
|
||||
|
||||
function sumif(condition, cells) {
|
||||
let sum = null
|
||||
for (let name of cells) {
|
||||
let cell = sheet[name]
|
||||
if (condition(cell))
|
||||
sum = sum === null ? cell : sum + cell
|
||||
}
|
||||
return sum
|
||||
}
|
||||
|
||||
function countif(condition, cells) {
|
||||
let count = 0
|
||||
for (let name of cells) {
|
||||
let cell = sheet[name]
|
||||
if (condition(cell))
|
||||
count++
|
||||
}
|
||||
return count
|
||||
}
|
||||
|
||||
function now() {
|
||||
return new Date()
|
||||
}
|
||||
|
||||
function repeat(count, str) {
|
||||
return Array(count + 1).join(str)
|
||||
}
|
||||
|
||||
function randrange(min, max) {
|
||||
return Math.random() * (max - min) + min
|
||||
}
|
||||
|
||||
function integer(value) {
|
||||
return value | 0
|
||||
}
|
||||
|
Loading…
Add table
Add a link
Reference in a new issue