Sudokupad copy cells

Add a button to sudokupad.app allowing to copy the current cell selection to clipboard

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name        Sudokupad copy cells
// @namespace   Violentmonkey Scripts
// @match       https://sudokupad.app/*
// @grant       GM_setClipboard
// @version     1.1
// @author      Giuseppe Stelluto
// @license     GPL3
// @description Add a button to sudokupad.app allowing to copy the current cell selection to clipboard
// @require https://cdn.jsdelivr.net/npm/@violentmonkey/dom@2
// ==/UserScript==

function copyCells() {
  let grid = Framework.app.grid.cells;

  let allCells = grid.reduce((acc, row2) => acc.concat(row2));
  let highlightedCells = allCells.filter((cell) => cell.highlighted);
  let highlightedRows = highlightedCells.map((cell) => cell.row);
  let highlightedCols = highlightedCells.map((cell) => cell.col);
  // check if the selection lives in multiple rows/cols and is therefore not copyable
  if (highlightedRows.some((row) => row !== highlightedRows[0])
      && highlightedCols.some((col) => col !== highlightedCols[0])) {
    Framework.showAlert("The selection is invalid or empty: only select digits from one row or column.");
  }
  let digits = highlightedCells.map((cell) => cell.value);
  if (digits.length > 0) {
    GM_setClipboard(digits.join(''));
    Framework.showAlert(digits.join('') + " copied to clipboard!")
  }
}

function main() {
  const controlsSmall = document.querySelector('#controls .controls-app.controls-small');

  let button = document.createElement('button');

  const iconWrapper = document.createElement('div');
  iconWrapper.className = 'icon';
  const icon = document.createElement('span');
  icon.innerHTML = '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><title>content-copy</title><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z" /></svg>'
  iconWrapper.appendChild(icon);
  button.appendChild(iconWrapper);

  // button.innerText = "C"
  button.addEventListener('click', (e) => copyCells());
  button.addEventListener('touchend', (e) => copyCells());
  controlsSmall.appendChild(button);
}

const disconnect = VM.observe(document.body, () => {
  // Find the target node
  const controls = document.querySelector('#controls');

  if (controls) {
    try {
      main()
    } catch {
      console.log("some error")
    } finally {
      return true;
    }
  }
});