module main;

import std.stdio;

import orange.serialization._;
import orange.serialization.archives._;

alias writeln println;

void main ()
{
    auto archive = new XmlArchive!(char);
    auto serializer = new Serializer(archive);

    image({
       id = "image2";
       source = "images/Alpha-blue-trans.png";

       mouseArea({
          id = "mArea2";
          width = 3;// _ => image2.width;
          height = 4;//_ => image2.height;

          onPressedChanged = {
              writeln("onPressedChanged");
              writeln(3/*mArea2.mouseX*/);
          };
       });
    });

    serializer.serialize(root);
    println(archive.data);
}

class Item
{
    string id;
    string source;

    int width;
    int height;

    Item[] childern;
    @nonSerialized void delegate () onPressedChanged;
}

Item root;
Item currentItem;

void image (void delegate () block)
{
    restore!(currentItem, {
        newItem();
        block();
    });
}

void id (string id)
{
    currentItem.id = id;
}

void source (string source)
{
    currentItem.source = source;
}

void mouseArea (void delegate () block)
{
    restore!(currentItem, {
        newItem();
        block();
    });
}

void onPressedChanged (void delegate () block)
{
    currentItem.onPressedChanged = block;
}

void newItem ()
{
    auto item = new Item;

    if (!root)
        root = item;

    if (currentItem)
        currentItem.childern ~= item;

    currentItem = item;
}

void restore (alias var, alias block) ()
{
    auto tmp = var;

    scope (exit)
        var = tmp;

    block();
}

void width (int width)
{
    currentItem.width = width;
}

void height (int height)
{
    currentItem.height = height;
}