/*
 * Copyright 2007-2008, Christof Lutteroth, lutteroth@cs.auckland.ac.nz
 * Copyright 2007-2008, James Kim, jkim202@ec.auckland.ac.nz
 * Copyright 2010, Clemens Zeidler <haiku@clemens-zeidler.de>
 * Distributed under the terms of the MIT License.
 */

#include <Application.h>
#include <Button.h>
#include <GroupLayout.h>
#include <List.h>
#include <StringView.h>
#include <Window.h>

// include this for ALM
#include "ALMLayout.h"


const uint32 kMsgClone = 'clne';


class HelloWorldWindow : public BWindow {
public:
        HelloWorldWindow(BRect frame) 
                :
                BWindow(frame, "ALM Hello World", B_TITLED_WINDOW,
                        B_QUIT_ON_WINDOW_CLOSE)
        {
                button1 = new BButton("Hello World!");

                // create a new BALMLayout and use  it for this window
                fLayout = new BALMLayout();
                BView* view = new BView("alm view", 0, fLayout);
                fLayout->SetExplicitAlignment(BAlignment(B_ALIGN_USE_FULL_WIDTH,
                        B_ALIGN_USE_FULL_HEIGHT));
                SetLayout(new BGroupLayout(B_VERTICAL));
                AddChild(view);

                // add an area containing the button
                // use the borders of the layout as the borders for the area
                fLayout->AddView(button1, fLayout->Left(), fLayout->Top(),
                        fLayout->Right(), fLayout->Bottom());
                button1->SetExplicitMinSize(BSize(0, 50));
                button1->SetExplicitMaxSize(BSize(500, 500));
                button1->SetExplicitAlignment(BAlignment(B_ALIGN_USE_FULL_WIDTH,
                        B_ALIGN_USE_FULL_HEIGHT));

                // test size limits
                BSize min = fLayout->MinSize();
                BSize max = fLayout->MaxSize();
                SetSizeLimits(min.Width(), max.Width(), min.Height(), max.Height());

                AddShortcut('c', B_COMMAND_KEY, new BMessage(kMsgClone));
        }

        void MessageReceived(BMessage* message)
        {
                switch (message->what) {
                        case kMsgClone:
                        {
                                BView* view = fLayout->View();
                                BMessage archive;
                                view->Archive(&archive, true);
                                BWindow* window = new BWindow(BRect(30, 30, 100, 100),
                                        "ALM HelloWorld Clone", B_TITLED_WINDOW,
                                        B_QUIT_ON_WINDOW_CLOSE | B_AUTO_UPDATE_SIZE_LIMITS);
                                window->SetLayout(new BGroupLayout(B_VERTICAL));
                                BView* clone;
                                status_t err = BUnarchiver::InstantiateObject(&archive, clone);
                                if (err != B_OK)
                                        window->AddChild(new BStringView("", "An error occurred!"));
                                else
                                        window->AddChild(clone);
                                window->Show();

                                break;
                        }
                        default:
                                BWindow::MessageReceived(message);
                }
        }
        
private:

        BALMLayout* fLayout;
        BButton* button1;
};


class HelloWorld : public BApplication {
public:
        HelloWorld() 
                :
                BApplication("application/x-vnd.haiku.HelloWorld") 
        {
                BRect frameRect;
                frameRect.Set(100, 100, 300, 300);
                HelloWorldWindow* window = new HelloWorldWindow(frameRect);
                window->Show();
        }
};


int
main()
{
        HelloWorld app;
        app.Run();
        return 0;
}