Testing world scripting functionality for Tiled (map editor)

WorldScripting.js

/* 	
 * Testing world scripting functionality
*/
var WorldScripting = {};

WorldScripting.scriptAction = tiled.registerAction("WorldScripting", function (action) {

    var state = {
        worlds: tiled.worlds,
    }
    tiled.worldsChanged.connect(() => {
        state.worlds = tiled.worlds;
        drawDialog();
        tiled.log("Worlds changed.")
    });

    var dialog = new Dialog('World Scripting');
    dialog.minimumWidth = 700;
    dialog.newRowMode = Dialog.ManualRows;
    function drawDialog() {
        if (dialog == null){
            return;
        }
        dialog.clear()
        dialog.addHeading('World Scripting');
        dialog.addNewRow();
        dialog.addHeading(`Loaded Worlds (${tiled.worlds.length})`);
        dialog.addNewRow();
        dialog.addLabel('Display name');
        dialog.addLabel('Maps')
        dialog.addSeparator();
        for (var i = 0; i < state.worlds.length; i++) {
            var world = state.worlds[i];
            dialog.addLabel(world.displayName)
            var allMaps = world.allMaps();
            if (allMaps.length >= 1) {
                // show the first matching map on the same line
                dialog.addLabel(allMaps[0].fileName);
            }
            var unloadButton = dialog.addButton('Unload');
            unloadButton.clicked.connect(() => {
                tiled.unloadWorld(world.fileName);
            })
            dialog.addNewRow();
            for (var mapIndex = 1; mapIndex < allMaps.length; mapIndex++) {
                dialog.addLabel('');
                dialog.addLabel(allMaps[mapIndex].fileName);
                dialog.addNewRow();
            }
            dialog.addSeparator();
        }
    }

    drawDialog();
    dialog.show();
    dialog.finished.connect(function(){
        dialog = null;
    });
});

WorldScripting.scriptAction.text = "World Scripting Test";


tiled.extendMenu("Edit", [
    { action: "WorldScripting" },
    { separator: true }
]);