Example script for creating a listbox via aequery

aeq-listbox.js

(function () {
  // Set path below to your aeq.js path
  //@include "path/to/aequery.js"

  function createPanel() {
    var win = aeq.ui.createWindow("Listbox Test");

    var pnl = win.addPanel("List");
    pnl.set({
      orientation: "row",
      alignment: ["fill", "fill"],
      alignChildren: ["fill", "fill"]
    });

    var listbox = pnl.addListBox(
      ["abc", "def", "ghi", "jkl", "mno", "pqr", "stu", "vwx", "yz"],
      undefined,
      undefined,
      {
        multiselect: true
      }
    );

    var grpListBoxMeta = pnl.addGroup({
      orientation: "column"
    });

    grpListBoxMeta.addButton("+", function () {
      var userInput = prompt("Type something in...", "Item Name Here");

      if (!userInput) {
        return;
      }

      listbox.addItem(userInput);
    });

    grpListBoxMeta.addButton("-", function () {
      var selectedItems = listbox.getSelection();

      if (!selectedItems) {
        return;
      }

      for (var ii = 0, il = selectedItems.length; ii < il; ii++) {
        var selectedItem = selectedItems[ii];
        listbox.removeItem(selectedItem);
      }
    });

    win.addButton("Close Panel", function () {
      win.close();
    });
    win.show();
  }

  createPanel();
})();