/****************************************************************************
 * Copyright (C) 2015 Dimok
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ****************************************************************************/
#include "GuiFrame.h"

GuiFrame::GuiFrame(GuiFrame *p)
{
    parent = p;
    width = 0;
    height = 0;
    dim = false;

    if(parent)
        parent->append(this);
}

GuiFrame::GuiFrame(f32 w, f32 h, GuiFrame *p)
{
    parent = p;
    width = w;
    height = h;
    dim = false;

    if(parent)
        parent->append(this);
}

GuiFrame::~GuiFrame()
{
    closing(this);

    if(parent)
        parent->remove(this);
}

void GuiFrame::append(GuiElement* e)
{
    if (e == NULL)
        return;

    remove(e);
    elements.push_back(e);
    e->setParent(this);
}

void GuiFrame::insert(GuiElement* e, u32 index)
{
    if (e == NULL || (index >= elements.size()))
        return;

    remove(e);
    elements.insert(elements.begin()+index, e);
    e->setParent(this);
}

void GuiFrame::remove(GuiElement* e)
{
    if (e == NULL)
        return;

    for (u32 i = 0; i < elements.size(); ++i)
    {
        if(e == elements[i])
        {
            elements.erase(elements.begin()+i);
            break;
        }
    }
}

void GuiFrame::removeAll()
{
    elements.clear();
}

void GuiFrame::close()
{
    //Application::instance()->pushForDelete(this);
}

void GuiFrame::dimBackground(bool d)
{
    dim = d;
}

GuiElement* GuiFrame::getGuiElementAt(u32 index) const
{
    if (index >= elements.size())
        return NULL;
    return elements[index];
}

u32 GuiFrame::getSize()
{
    return elements.size();
}

void GuiFrame::resetState()
{
    GuiElement::resetState();

    for (u32 i = 0; i < elements.size(); ++i)
    {
        elements[i]->resetState();
    }
}

void GuiFrame::setState(s32 s, s32 c)
{
    GuiElement::setState(s, c);

    for (u32 i = 0; i < elements.size(); ++i)
    {
        elements[i]->setState(s, c);
    }
}

void GuiFrame::clearState(s32 s, s32 c)
{
    GuiElement::clearState(s, c);

    for (u32 i = 0; i < elements.size(); ++i)
    {
        elements[i]->clearState(s, c);
    }
}

void GuiFrame::setVisible(bool v)
{
    visible = v;

    for (u32 i = 0; i < elements.size(); ++i)
    {
        elements[i]->setVisible(v);
    }
}

s32 GuiFrame::getSelected()
{
    // find selected element
    s32 found = -1;
    for (u32 i = 0; i < elements.size(); ++i)
    {
        if(elements[i]->isStateSet(STATE_SELECTED | STATE_OVER))
        {
            found = i;
            break;
        }
    }
    return found;
}

void GuiFrame::draw(CVideo * v)
{
    if(!this->isVisible() && parentElement)
        return;

    if(parentElement && dim == true)
    {
        //GXColor dimColor = (GXColor){0, 0, 0, 0x70};
        //Menu_DrawRectangle(0, 0, GetZPosition(), screenwidth,screenheight, &dimColor, false, true);
    }

    //! render appended items next frame but allow stop of render if size is reached
    u32 size = elements.size();

    for (u32 i = 0; i < size && i < elements.size(); ++i)
    {
        elements[i]->draw(v);
    }
}

void GuiFrame::updateEffects()
{
    if(!this->isVisible() && parentElement)
        return;

    GuiElement::updateEffects();

    //! render appended items next frame but allow stop of render if size is reached
    u32 size = elements.size();

    for (u32 i = 0; i < size && i < elements.size(); ++i)
    {
        elements[i]->updateEffects();
    }
}

void GuiFrame::process()
{
    if(!this->isVisible() && parentElement)
        return;

    GuiElement::process();

    //! render appended items next frame but allow stop of render if size is reached
    u32 size = elements.size();

    for (u32 i = 0; i < size && i < elements.size(); ++i)
    {
        elements[i]->process();
    }
}

void GuiFrame::update(GuiController * c)
{
    if(isStateSet(STATE_DISABLED) && parentElement)
        return;

    //! update appended items next frame
    u32 size = elements.size();

    for (u32 i = 0; i < size && i < elements.size(); ++i)
    {
        elements[i]->update(c);
    }
}