gistfile1.js

function myTool(){
    
    // my custom library with helpers like print = $.writeln
    // @include lukaszLibrary.jsx;

    //global variables yuuuuuuk, extent script, please fix this. ty.
    var myWindow = new Window('palette', 'Visual Hero tool', undefined, {closeButton: false}),
       doc = app.activeDocument,
       selection = doc.selection,
       selectionLength = selection.length;

    // input group
    var myInputGroup = myWindow.add ("group");
        
        myInputGroup.alignment = "left";
        myInputGroup.add ("statictext", undefined, "Name:");
        
        // input box
        var myText = myInputGroup.add ("edittext", undefined, "text to use");
        
            myText.characters = 20;
            myText.active = true;
        
    // checkbox group
    myWindow.checkBox = myWindow.add('group'),
    myWindow.checkBox.alignment = "left";
    myWindow.checkBox.margins = [0,0,0,0];
    
        // checkbox
        myWindow.checkBox.appendNumber = myWindow.add('checkbox', undefined, 'make unique?'); 
        myWindow.checkBox.appendNumber.value = false;
        myWindow.margins = [30,30,30,30];

    //button group
    var myButtonGroup = myWindow.add ("group");
        myButtonGroup.alignment = "right";
        
        // buttons
        var ok = myButtonGroup.add ("button", undefined, "OK");
        var cancel = myButtonGroup.add("button", undefined, "Close");
    
    //event listeners
    print(selection[0].contents); //works
    var contents = selection[0].contents
    cancel.onClick = function(){ myWindow.hide(); };
    ok.onClick = function(){ 
        print("click works")
        print("var contents "+contents); //works now .....? huh.
        print(selection[0].contents); //does not work
        print(selection.length); // works
    };


    myWindow.show();
} myTool();