Arranges selected elements alphabetically into a neat grid in #jArchi. The number of columns is user configurable.

Mapify.ajs

/*
 * Mapify
 * Author: Timo Laine (timoroso.com)
 * Arranges selected elements alphabetically into a neat grid.
 * The number of columns is user configurable.
 */

// Get Archi's Preference Store
const archiPrefs = Java.type('com.archimatetool.editor.ArchiPlugin').PREFERENCES;

var fixedColumns = window.prompt("How many columns you want in the map? (Zero for automatic.)", "0");

var selection = $(selection);

if (selection.length === 0) {
    console.log("No elements selected.");
} else {
    // Get the size of the first element as reference
    const firstElement = selection.first();
    const elementWidth = firstElement.bounds.width;
    const elementHeight = firstElement.bounds.height;

    // Sort elements alphabetically by name
    let sortedElements = selection.toArray().sort((a, b) => a.name.localeCompare(b.name));

    // Define the aspect ratio (16:10) and grid size;
    const aspectRatio = 16 / 10;
    const gridSize = archiPrefs.getInt('gridSize');

    const totalElements = selection.length;

    // Calculate the best row count based on the aspect ratio
    let columns = fixedColumns > 0 ? fixedColumns : Math.ceil(Math.sqrt(totalElements * aspectRatio));
    let rows = Math.ceil(totalElements / columns);

    // Starting position
    let startX = firstElement.bounds.x;
    let startY = firstElement.bounds.y;

    // Arrange elements in a grid

    var index = 0;
    sortedElements.forEach((element) => {
        let row = Math.floor(index / columns);
        let col = index % columns;

        let newX = startX + col * elementWidth + col * gridSize;
        let newY = startY + row * elementHeight + row * gridSize;
        
        element.bounds = { x: newX, y: newY };

        index++;
    });

}