// Copyright 2014 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com

#include "../../include/formfiller/FormFiller.h"
#include "../../include/formfiller/FFL_FormFiller.h"
#include "../../include/formfiller/FFL_RadioButton.h"
//#include "../include/FFL_Undo.h"

/* ------------------------------- CFFL_RadioButton ------------------------------- */

CFFL_RadioButton::CFFL_RadioButton(CPDFDoc_Environment* pApp, CPDFSDK_Annot* pWidget) :
	CFFL_Button(pApp, pWidget)
{
}

CFFL_RadioButton::~CFFL_RadioButton()
{
}

CPWL_Wnd* CFFL_RadioButton::NewPDFWindow(const PWL_CREATEPARAM& cp, CPDFSDK_PageView* pPageView)
{
	CPWL_RadioButton* pWnd = new CPWL_RadioButton();
	pWnd->Create(cp);

	ASSERT(m_pWidget != NULL);
	pWnd->SetCheck(m_pWidget->IsChecked());

	return pWnd;
}

bool	CFFL_RadioButton::OnKeyDown(CPDFSDK_Annot* pAnnot, FX_UINT nKeyCode, FX_UINT nFlags)
{
	switch (nKeyCode)
	{
	case FWL_VKEY_Return:
	case FWL_VKEY_Space:
		return true;
	default:
		return CFFL_FormFiller::OnKeyDown(pAnnot, nKeyCode, nFlags);
	}
}

bool	CFFL_RadioButton::OnChar(CPDFSDK_Annot* pAnnot, FX_UINT nChar, FX_UINT nFlags)
{
	switch (nChar)
	{
	case FWL_VKEY_Return:
	case FWL_VKEY_Space:
		{
			CFFL_IFormFiller* pIFormFiller = m_pApp->GetIFormFiller();
			ASSERT(pIFormFiller != NULL);

			CPDFSDK_PageView* pPageView = pAnnot->GetPageView();
			ASSERT(pPageView != NULL);

			bool bReset = false;
			bool bExit = false;

			pIFormFiller->OnButtonUp(m_pWidget, pPageView, bReset, bExit,nFlags);

			if (bReset) return true;
			if (bExit) return true;

			CFFL_FormFiller::OnChar(pAnnot, nChar, nFlags);

			if (CPWL_RadioButton * pWnd = (CPWL_RadioButton*)GetPDFWindow(pPageView, true))
				pWnd->SetCheck(true);
			CommitData(pPageView,nFlags);
			return true;
		}
	default:
		return CFFL_FormFiller::OnChar(pAnnot, nChar, nFlags);
	}
}

bool	CFFL_RadioButton::OnLButtonUp(CPDFSDK_PageView *pPageView, CPDFSDK_Annot* pAnnot, FX_UINT nFlags, const CPDF_Point& point)
{
	CFFL_Button::OnLButtonUp(pPageView, pAnnot, nFlags, point);

	if (IsValid())
	{
		if (CPWL_RadioButton * pWnd = (CPWL_RadioButton*)GetPDFWindow(pPageView, true))
			pWnd->SetCheck(true);

		if (!CommitData(pPageView,nFlags)) return false;
	}

	return true;
}

bool	CFFL_RadioButton::IsDataChanged(CPDFSDK_PageView* pPageView)
{
	ASSERT(m_pWidget != NULL);

	if (CPWL_RadioButton* pWnd = (CPWL_RadioButton*)GetPDFWindow(pPageView, false))
	{
		return pWnd->IsChecked() != m_pWidget->IsChecked();
	}

	return false;
}

void CFFL_RadioButton::SaveData(CPDFSDK_PageView* pPageView)
{
	ASSERT(m_pWidget != NULL);

	if (CPWL_RadioButton* pWnd = (CPWL_RadioButton*)GetPDFWindow(pPageView, false))
	{

		bool bNewChecked = pWnd->IsChecked();

		if (bNewChecked)
		{
			CPDF_FormField* pField = m_pWidget->GetFormField();
			ASSERT(pField != NULL);

			for (int32_t i=0,sz=pField->CountControls(); i<sz; i++)
			{
				if (CPDF_FormControl* pCtrl = pField->GetControl(i))
				{
					if (pCtrl->IsChecked())
					{
						break;
					}
				}
			}
		}

		m_pWidget->SetCheck(bNewChecked, false);
		m_pWidget->UpdateField();
		SetChangeMark();
	}
}