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Spreadsheets: Add range functions to the Position class

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Adds functions to get range of non-empty cells in a direction.
This commit is contained in:
u9g 2022-02-14 19:36:53 -05:00 • committed by Ali Mohammad Pur
parent 3e2dd5455b
commit 1511e9a5a9
1 changed files with 52 additions and 1 deletions
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53
Base/res/js/Spreadsheet/runtime.js
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@ -57,6 +57,52 @@ class Position {
);
}
range_up() {
if (this.row === 0) throw new Error(`No cells above this cell`);
const up_one = this.up(1);
let current_point = up_one;
for (
let point = current_point.up(1);
current_point.row !== 0 && point.value() !== "";
point = current_point.up(1)
)
current_point = point;
return range(current_point.name, up_one.name);
}
range_down() {
let down_one = this.down(1);
let current_point = down_one;
for (let point = current_point.down(1); point.value() !== ""; point = current_point.down(1))
current_point = point;
return range(current_point.name, down_one.name);
}
range_left() {
if (this.column === "A") throw new Error(`No cells to the left of this cell`);
const left_one = this.left(1);
let current_point = left_one;
for (
let point = current_point.left(1);
current_point.column !== "A" && point.value() !== "";
point = current_point.left(1)
)
current_point = point;
return range(current_point.name, left_one.name);
}
range_right() {
let right_one = this.right(1);
let current_point = right_one;
for (
let point = current_point.right(1);
point.value() !== "";
point = current_point.right(1)
)
current_point = point;
return range(current_point.name, right_one.name);
}
with_column(value) {
return new Position(value, this.row, this.sheet);
}
@ -852,10 +898,15 @@ here.__documentation = JSON.stringify({
doc:
"Returns an object representing the current cell's position, see `Position` below.\n\n" +
"## Position\na `Position` is an object representing a given cell position in a given sheet.\n" +
"### Methods:\n- `up(count = 1)`: goes up count cells, or returns the top position if at the top\n" +
"### Methods:\n" +
"- `up(count = 1)`: goes up count cells, or returns the top position if at the top\n" +
"- `down(count = 1)`: goes down count cells\n" +
"- `left(count = 1)`: Goes left count cells, or returns the leftmost position if the edge\n" +
"- `right(count = 1)`: Goes right count cells.\n" +
"- `range_up()`: make a range from the cell above this cell, upward, until there is a cell with no number in it.\n" +
"- `range_down()`: make a range from the cell below this cell, downward, until there is a cell with no number in it.\n" +
"- `range_left()`: make a range from the cell to the left of this cell, going left, until there is a cell with no number in it.\n" +
"- `range_right()`: make a range from the cell to the right of this cell, going right, until there is a cell with no number in it.\n" +
"- `with_row(row)`: Returns a Position with its column being this object's, and its row being the provided the value.\n" +
"- `with_column(column)`: Similar to `with_row()`, but changes the column instead.\n" +
"- `in_sheet(the_sheet)`: Returns a Position with the same column and row as this one, but with its sheet being `the_sheet`.\n" +