/*
 * Copyright 2007, Ingo Weinhold <bonefish@cs.tu-berlin.de>.
 * All rights reserved. Distributed under the terms of the MIT License.
 */

#include "MenuFieldTest.h"

#include <stdio.h>

#include <Menu.h>
#include <MenuField.h>
#include <MenuItem.h>

#include "CheckBox.h"
#include "GroupView.h"


enum {
        MSG_CHANGE_LABEL_TEXT   = 'chlt',
        MSG_CHANGE_LABEL_FONT   = 'chlf',
        MSG_CHANGE_MENU_TEXT    = 'chmt'
};


// constructor
MenuFieldTest::MenuFieldTest()
        : ControlTest("MenuField"),
          fLongLabelTextCheckBox(NULL),
          fLongMenuTextCheckBox(NULL),
          fBigFontCheckBox(NULL),
          fDefaultFont(NULL),
          fBigFont(NULL)
{
        BMenu* menu = new BMenu("The Menu");

        // add a few items
        for (int32 i = 0; i < 10; i++) {
                BString itemText("Menu item ");
                itemText << i;
                menu->AddItem(new BMenuItem(itemText.String(), NULL));
        }

        fMenuField = new BMenuField("", menu);

        SetView(fMenuField);
}


// destructor
MenuFieldTest::~MenuFieldTest()
{
        delete fDefaultFont;
        delete fBigFont;
}


// CreateTest
Test*
MenuFieldTest::CreateTest()
{
        return new MenuFieldTest;
}


// ActivateTest
void
MenuFieldTest::ActivateTest(View* controls)
{
        GroupView* group = new GroupView(B_VERTICAL);
        group->SetFrame(controls->Bounds());
        group->SetSpacing(0, 8);
        controls->AddChild(group);

        // BMenuField sets its background color to that of its parent in
        // AttachedToWindow(). Override.
        rgb_color background = ui_color(B_PANEL_BACKGROUND_COLOR);
        fMenuField->SetViewColor(background);
        fMenuField->SetLowColor(background);

        // long label text
        fLongLabelTextCheckBox = new LabeledCheckBox("Long label text",
                new BMessage(MSG_CHANGE_LABEL_TEXT), this);
        group->AddChild(fLongLabelTextCheckBox);

        // long menu text
        fLongMenuTextCheckBox = new LabeledCheckBox("Long menu text",
                new BMessage(MSG_CHANGE_MENU_TEXT), this);
        group->AddChild(fLongMenuTextCheckBox);

        // big font
        fBigFontCheckBox = new LabeledCheckBox("Big label font",
                new BMessage(MSG_CHANGE_LABEL_FONT), this);
        group->AddChild(fBigFontCheckBox);

        _UpdateLabelText();
        _UpdateLabelFont();

        group->AddChild(new Glue());
}


// DectivateTest
void
MenuFieldTest::DectivateTest()
{
}


// MessageReceived
void
MenuFieldTest::MessageReceived(BMessage* message)
{
        switch (message->what) {
                case MSG_CHANGE_LABEL_TEXT:
                        _UpdateLabelText();
                        break;
                case MSG_CHANGE_MENU_TEXT:
                        _UpdateMenuText();
                        break;
                case MSG_CHANGE_LABEL_FONT:
                        _UpdateLabelFont();
                        break;
                default:
                        Test::MessageReceived(message);
                        break;
        }
}


// _UpdateLabelText
void
MenuFieldTest::_UpdateLabelText()
{
        if (!fLongLabelTextCheckBox || !fMenuField)
                return;

        fMenuField->SetLabel(fLongLabelTextCheckBox->IsSelected()
                ? "Pretty long menu field label"
                : "Short label");
}


// _UpdateMenuText
void
MenuFieldTest::_UpdateMenuText()
{
        if (!fLongMenuTextCheckBox || !fMenuField)
                return;

        fMenuField->Menu()->Superitem()->SetLabel(
                fLongMenuTextCheckBox->IsSelected()
                ? "Pretty long menu field text"
                : "Short text");
}


// _UpdateLabelFont
void
MenuFieldTest::_UpdateLabelFont()
{
        if (!fBigFontCheckBox || !fMenuField || !fMenuField->Window())
                return;

        // get default font lazily
        if (!fDefaultFont) {
                fDefaultFont = new BFont;
                fMenuField->GetFont(fDefaultFont);

                fBigFont = new BFont(fDefaultFont);
                fBigFont->SetSize(20);
        }

        // set font
        fMenuField->SetFont(fBigFontCheckBox->IsSelected()
                ? fBigFont : fDefaultFont);
        fMenuField->InvalidateLayout();
        fMenuField->Invalidate();
}