/*
 * pawsstackcountwindow.h - Author: Ondrej Hurt
 *
 * Copyright (C) 2003 Atomic Blue (info@planeshift.it, http://www.atomicblue.org)
 *
 *
 * 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 (version 2 of the License)
 * 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 */

#include <psconfig.h>
#include "pawsstackcountwindow.h"

#include "paws/pawsmanager.h"
#include "paws/pawscrollbar.h"
#include "paws/pawsbutton.h"
#include "paws/pawstextbox.h"


pawsStackCountWindow::pawsStackCountWindow()
{
    maxLabel       = NULL;
    editBox        = NULL;
    scrollBar      = NULL;
    okButton       = NULL;
    cancelButton   = NULL;

    action         = NULL;

    SetMaxCount(0);
    lastValidText = "";
}

void pawsStackCountWindow::SetMaxCount(int maxCount)
{
    csString countStr;
    int div;
    
    this->maxCount = maxCount;

    if (scrollBar != NULL)
        scrollBar->SetMaxValue(maxCount);

    if (maxLabel != NULL)
    {
        countStr.Format("%d",maxCount);
        maxLabel->SetText("max = "+countStr);
    }
    
    maxDigits = 0;
    div = maxCount;
    while (div > 0)
    {
        maxDigits++;
        div /= 10;
    }
}

bool pawsStackCountWindow::PostSetup()
{
    maxLabel = dynamic_cast <pawsTextBox*> (FindWidget("MaxLabel"));
    if (maxLabel == NULL)
        return false;

    editBox = dynamic_cast <pawsEditTextBox*> (FindWidget("EditBox"));
    if (editBox == NULL)
        return false;
    PawsManager::GetSingleton().SetCurrentFocusedWidget(editBox);
    
    scrollBar = dynamic_cast <pawsScrollBar*> (FindWidget("ScrollBar"));
    if (scrollBar == NULL)
        return false;
    scrollBar->SetTickValue(1);
        
    okButton = dynamic_cast <pawsButton*> (FindWidget("OkButton"));
    if (okButton == NULL)
        return false;
        
    cancelButton = dynamic_cast <pawsButton*> (FindWidget("CancelButton"));
    if (cancelButton == NULL)
        return false;

    return true;
}

bool pawsStackCountWindow::OnScroll( int scrollDirection, pawsScrollBar* widget )
{
    lastValidText.Format("%d",(int)scrollBar->GetCurrentValue());
    editBox->SetText(lastValidText);
    return true;
}

bool pawsStackCountWindow::OnButtonPressed( int button, int keyModifier, pawsWidget* widget )
{
    if (action == NULL)
        return false;

    if (widget == okButton)
    {
        if (TextIsValidForOutput(editBox->GetText()))
            CountWasEntered(atoi(editBox->GetText()));
        return true;
    }

    if (widget == cancelButton)
    {
        if (action != NULL)
        {
            action->Execute(-1);
            delete action;
            action = NULL;
        }
        PawsManager::GetSingleton().SetModalWidget(NULL);
        Hide();
        return true;
    }
    return false;
}

bool pawsStackCountWindow::TextIsValidForEditing(const csString & text)
{
    if ((int)text.Length() > maxDigits)
        return false;
    for (int i=0; i < (int)text.Length(); i++)
        if ((text.GetAt(i) < '0') || (text.GetAt(i) > '9'))
            return false;
    if ( 
          (text.GetData() != NULL) 
             && 
          (atoi(text.GetData()) > maxCount) 
       )
          return false;
    return true;
}

bool pawsStackCountWindow::TextIsValidForOutput(const csString & text)
{
    return TextIsValidForEditing(text) && (text.Length() > 0) && (atoi(text.GetData()) > 0);
}

bool pawsStackCountWindow::OnChange(pawsWidget * widget)
{
    csString text;
    
    if (widget == editBox)
    {
        text = editBox->GetText();
        if (TextIsValidForEditing(text))
        {
            lastValidText = text;
            if (TextIsValidForOutput(text) && (text.Length() == maxDigits))
                CountWasEntered(atoi(text.GetData()));
        }
        else
            editBox->SetText(lastValidText);
    }
    return true;
}

void pawsStackCountWindow::CountWasEntered(int count)
{
    PawsManager::GetSingleton().SetModalWidget(NULL);
    Hide();

    if (action != NULL)
    {
        action->Execute(count);
        delete action;
        action = NULL;
    }
}

void pawsStackCountWindow::ResetDialog()
{
    editBox->SetText("");
    scrollBar->SetCurrentValue(0);
    lastValidText = "";
    PawsManager::GetSingleton().SetCurrentFocusedWidget(editBox);
    
    SetAppropriatePos();
}

void pawsStackCountWindow::SetAppropriatePos()
{
    psPoint mouse;
    int x, y;
    int width, height;
    
    width   =  screenFrame.Width();
    height  =  screenFrame.Height();
    
    mouse = PawsManager::GetSingleton().GetMouse()->GetPosition();
    x = mouse.x - width  / 2;
    y = mouse.y - height / 2;
    MoveTo(x, y);
    MakeFullyVisible();
}





void pawsStackCountWindow::GetStackCount(iOnCountEnteredAction * action, int maxCount)
{
    pawsStackCountWindow * scw;
    
    if (maxCount == 1)
    {
        action->Execute(1);
        delete action;
    }
    else
    {
        scw = dynamic_cast <pawsStackCountWindow*> (PawsManager::GetSingleton().FindWidget("StackCountWindow"));
        CS_ASSERT(scw != NULL);
        scw->Show();
        PawsManager::GetSingleton().SetModalWidget(scw);
        scw->SetMaxCount(maxCount);
        scw->ResetDialog();
        scw->SetAction(action);
    }
}