/*
 * 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>
 * Copyright 2012, Haiku, Inc.
 * Distributed under the terms of the MIT License.
 */

#include <Alert.h>
#include <Application.h>
#include <Button.h>
#include <Window.h>

#include <stdio.h>

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


class BAlertPolicy : public BALMLayout::BadLayoutPolicy {
        virtual bool OnBadLayout(BALMLayout* layout, ResultType result,
                BLayoutContext* context)
        {
                BAlert* alert = new BAlert("layout failure", "layout failed!",
                                                        "sure");
                alert->Go();
                return true;
        }
};


class BadLayoutWindow : public BWindow {
public:
        BadLayoutWindow(BRect frame) 
                :
                BWindow(frame, "ALM Bad Layout", B_TITLED_WINDOW,
                        B_QUIT_ON_WINDOW_CLOSE)
        {
                button1 = new BButton("Bad Layout!");

                // create a new BALMLayout and use  it for this window
                fLayout = new BALMLayout();
                SetLayout(fLayout);

                // 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(50, 50));
                button1->SetExplicitMaxSize(BSize(500, 500));
                button1->SetExplicitAlignment(BAlignment(B_ALIGN_USE_FULL_WIDTH,
                        B_ALIGN_USE_FULL_HEIGHT));


                BButton* button2 = new BButton("can't fit!");
                fLayout->AddView(button2, fLayout->RightOf(button1), fLayout->Top(),
                        fLayout->Right(), fLayout->Bottom());
                button2->SetExplicitMinSize(BSize(50, 50));

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

                printf("moving to standard BALMLayout BadLayoutPolicy\n");
                fLayout->SetBadLayoutPolicy(NULL);
        }
        
private:
        BALMLayout* fLayout;
        BButton* button1;
};


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


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