/*---------------------------------------------------------------------------*

  Copyright (C) Nintendo.  All rights reserved.

  These coded instructions, statements, and computer programs contain
  proprietary information of Nintendo of America Inc. and/or Nintendo
  Company Ltd., and are protected by Federal copyright law.  They may
  not be disclosed to third parties or copied or duplicated in any form,
  in whole or in part, without the prior written consent of Nintendo.

 *---------------------------------------------------------------------------*/

    // Creates a window with tabs
TabWindow::TabWindow(WindowManager* manager, const char* name, CVec2 position, float width, bool canKill)
    : Window(manager, name, position, CVec2(width, WINDOW_HANDLE_HEIGHT), CVec2(0, 0), canKill), tabWindowSelected(0), tabWindowOver(-1)
{

}

    // Draws the tab window
void TabWindow::Draw()
{
        // At this point, we better have some tabs!
    ASSERT(tabWindowList.size() && "Must have at least one tab!");
    
    float temp = this->offY;
    this->offY = 0;
    
        // We can't be over the one that's selected!
    if (tabWindowSelected == tabWindowOver)
        tabWindowOver = -1;
    
    float x = -GetWidth() / 2 + GetWidth() / tabWindowList.size() / 2;
    float y = -height / 2;
    
    float spacing = GetWidth() / tabWindowList.size();
    
    float buttonWidth = GetWidth() / tabWindowList.size();
    float buttonHeight = height;
    float textHeight = buttonHeight * 0.8;
        
    for (int i = 0; i < tabWindowList.size(); ++i)
    {
        if (tabWindowSelected != i)
            menu->DrawBox(CVec3(x, y, 0.99), CVec2(buttonWidth, buttonHeight), CVec4(0.2, 0.2, 0.2));
        else
            menu->DrawQuad(CVec3(x, y, 0.99), CVec2(buttonWidth, buttonHeight), CVec4(0, 0, 0, 0));
        
        if (tabWindowOver == i)
            menu->DrawBox(CVec3(x, y, 0.9901), CVec2(buttonWidth, buttonHeight),  CVec4(0.3, 0.3, 0.3));
        
        menu->DrawTextCenter(tabWindowList[i]->name, CVec3(x, y, 0.9902), CVec2(buttonWidth, textHeight),  CVec4(1.0, 1.0, 1.0));
        
        x += spacing;
    }
    
    AttachWindow(tabWindowList[tabWindowSelected]);
    
    this->offY = temp;
}

    // Anything special the window updates beforehand
bool TabWindow::PreUpdate(bool canUpdate)
{
    this->offY = 0;
        
    if (canUpdate)
    {
        float height = this->GetHeight() - this->height;
        scrollBar->count = this->GetMaxHeight() - this->height;
        scrollBar->max = height;
        scrollBar->x = (this->GetWidth() - SCROLLBAR_WIDTH) / 2;
        scrollBar->y = -height / 2 - this->height;
        scrollBar->height = height;
        canUpdate = scrollBar->Update();
    }
    else
        scrollBar->Reset();
        
        // At this point, we better have some tabs!
    ASSERT(tabWindowList.size() && "Must have at least one tab!");
    
    tabWindowOver = -1;
    
        // The cursor is over one of the buttons
    if (canUpdate && menu->CursorColliding(0, -height / 2, GetWidth(), height))
    {
            // Figure out which one!
        tabWindowOver = (menu->CursorX() - this->GetLeft()) / this->GetWidth() * tabWindowList.size();
        canUpdate = false;
        
        if (menu->PositiveTriggered())
        {
            tabWindowSelected = tabWindowOver;
            scrollBar->pos = 0;
            scrollBar->wasMax = false;
        }
    }
    
    AttachWindow(tabWindowList[tabWindowSelected]);

    this->offY = scrollBar->pos;
    
    return canUpdate;
}

    // Anything special the window draws beforehand
void TabWindow::PreDraw()
{
    float temp = this->offY;
    this->offY = 0;
    
    float height = this->GetHeight() - this->height;
    scrollBar->count = this->GetMaxHeight() - this->height;
    scrollBar->max = height;
    scrollBar->x = (this->GetWidth() - SCROLLBAR_WIDTH) / 2;
    scrollBar->y = -height / 2 - this->height;
    scrollBar->height = height;
    scrollBar->Draw();
    
    this->offY = temp;
}

    // Adds a window to the list of tabs
void TabWindow::AddWindow(Window* window)
{
    tabWindowList.push_back(window);
}

    // Removes a window from the list of tabs
void TabWindow::RemoveWindow(Window* window)
{
    int remove = 0;
    for (std::vector<Window*>::iterator iter = tabWindowList.begin(); iter != tabWindowList.end(); ++iter, ++remove)
    {
        if (*iter == window)
        {
                // Make sure the selected number is updated
            if (remove < tabWindowSelected || (tabWindowSelected == tabWindowList.size() - 1 && tabWindowSelected > 0))
                tabWindowSelected --;
        
                // Just in case, remove ALL instances of the window in the tab list
            tabWindowList.erase(iter);
            RemoveWindow(window);
            return;
        }
    }
}