/*
 * Copyright 2008, Stephan Aßmus <superstippi@gmx.de>.
 * All rights reserved. Distributed under the terms of the MIT License.
 */

#include "ScrollBarTest.h"

#include <Message.h>
#include <ScrollBar.h>

#include "RadioButton.h"
#include "TestView.h"


// messages
enum {
        MSG_ORIENTATION_CHANGED                 = 'orch'
};


// OrientationRadioButton
class ScrollBarTest::OrientationRadioButton : public LabeledRadioButton {
public:
        OrientationRadioButton(const char* label, enum orientation orientation)
                : LabeledRadioButton(label),
                  fOrientation(orientation)
        {
        }

        enum orientation fOrientation;
};


ScrollBarTest::ScrollBarTest()
        : Test("ScrollBar", NULL),
          fScrollBar(new BScrollBar("scroll bar", NULL, 0, 100, B_HORIZONTAL)),
          fOrientationRadioGroup(NULL)
{
        SetView(fScrollBar);
}


ScrollBarTest::~ScrollBarTest()
{
        delete fOrientationRadioGroup;
}


Test*
ScrollBarTest::CreateTest()
{
        return new ScrollBarTest;
}


void
ScrollBarTest::ActivateTest(View* controls)
{
        // the radio button group for selecting the orientation

        GroupView* vGroup = new GroupView(B_VERTICAL);
        vGroup->SetFrame(controls->Bounds());
        vGroup->SetSpacing(0, 4);
        controls->AddChild(vGroup);

        fOrientationRadioGroup = new RadioButtonGroup(
                new BMessage(MSG_ORIENTATION_CHANGED), this);

        // horizontal
        LabeledRadioButton* button = new OrientationRadioButton("Horizontal",
                B_HORIZONTAL);
        vGroup->AddChild(button);
        fOrientationRadioGroup->AddButton(button->GetRadioButton());

        // vertical
        button = new OrientationRadioButton("Vertical", B_VERTICAL);
        vGroup->AddChild(button);
        fOrientationRadioGroup->AddButton(button->GetRadioButton());

        // default to horizontal
        fOrientationRadioGroup->SelectButton((int32)0);

        // glue
        vGroup->AddChild(new Glue());
}


void
ScrollBarTest::DectivateTest()
{
}


void
ScrollBarTest::MessageReceived(BMessage* message)
{
        switch (message->what) {
                case MSG_ORIENTATION_CHANGED:
                        _UpdateOrientation();
                        break;
                default:
                        Test::MessageReceived(message);
                        break;
        }
}


void
ScrollBarTest::_UpdateOrientation()
{
        if (fOrientationRadioGroup == NULL)
                return;

        // We need to get the parent of the actually selected button, since
        // that is the labeled radio button we've derived our
        // BorderStyleRadioButton from.
        AbstractButton* selectedButton
                = fOrientationRadioGroup->SelectedButton();
        View* parent = (selectedButton ? selectedButton->Parent() : NULL);
        OrientationRadioButton* button = dynamic_cast<OrientationRadioButton*>(
                parent);
        if (button)
                fScrollBar->SetOrientation(button->fOrientation);
}