#include "../../User Interface.h"
#include "Settings Page.h"

COptionsGameBrowserPage::COptionsGameBrowserPage (HWND hParent, const RECT & rcDispay ) :
	m_OrderChanged(false),
	m_OrderReset(false)
{
	if (!Create(hParent,rcDispay))
	{
		return;
	}
	
	SetDlgItemText(IDC_ROMSEL_TEXT1,GS(RB_MAX_ROMS));
	SetDlgItemText(IDC_ROMSEL_TEXT2,GS(RB_ROMS));
	SetDlgItemText(IDC_ROMSEL_TEXT3,GS(RB_MAX_DIRS));
	SetDlgItemText(IDC_ROMSEL_TEXT4,GS(RB_DIRS));
	SetDlgItemText(IDC_USE_ROMBROWSER,GS(RB_USE));
	SetDlgItemText(IDC_RECURSION,GS(RB_DIR_RECURSION));
	SetDlgItemText(IDC_ROMSEL_TEXT5,GS(RB_AVALIABLE_FIELDS));
	SetDlgItemText(IDC_ROMSEL_TEXT6,GS(RB_SHOW_FIELDS));
	SetDlgItemText(IDC_ADD,GS(RB_ADD));
	SetDlgItemText(IDC_REMOVE,GS(RB_REMOVE));
	SetDlgItemText(IDC_UP,GS(RB_UP));
	SetDlgItemText(IDC_DOWN,GS(RB_DOWN));

	AddModCheckBox(GetDlgItem(IDC_USE_ROMBROWSER),RomBrowser_Enabled);
	AddModCheckBox(GetDlgItem(IDC_RECURSION),RomBrowser_Recursive);

	m_Avaliable.Attach(GetDlgItem(IDC_AVALIABLE));
	m_Using.Attach(GetDlgItem(IDC_USING));

	CRomBrowser::GetFieldInfo(m_Fields);

	UpdatePageSettings();
}

void COptionsGameBrowserPage::UpdateFieldList ( const ROMBROWSER_FIELDS_LIST & Fields )
{
	m_Avaliable.ResetContent();
	m_Using.ResetContent();

	m_OrderChanged = false;
	for (int i = 0, n = Fields.size(); i < n; i++) 
	{
		if (Fields[i].PosChanged())
		{
			m_OrderChanged = true;
		}
		int Pos = Fields[i].Pos();
		if (Pos < 0) 
		{ 
			m_Avaliable.SetItemData(m_Avaliable.AddString(GS(Fields[i].LangID())),i);
			continue;
		}
		int listCount = m_Using.GetCount();
		if (Pos > listCount) { Pos = listCount; }
		m_Using.SetItemData(m_Using.InsertString(Pos,GS(Fields[i].LangID())),i);
	}
}

void COptionsGameBrowserPage::UpdatePageSettings ( void )
{
	UpdateFieldList(m_Fields);
	CSettingsPageImpl<COptionsGameBrowserPage>::UpdatePageSettings();
	FixCtrlState();
}

void  COptionsGameBrowserPage::UseRomBrowserChanged ( UINT Code, int id, HWND ctl )
{
	CheckBoxChanged(Code,id,ctl);
	FixCtrlState();
}

void  COptionsGameBrowserPage::FixCtrlState ( void )
{
	bool bEnabled = (SendDlgItemMessage(IDC_USE_ROMBROWSER,BM_GETCHECK,0,0) == BST_CHECKED);
	::EnableWindow(GetDlgItem(IDC_ROMSEL_TEXT5),bEnabled);
	::EnableWindow(GetDlgItem(IDC_ROMSEL_TEXT6),bEnabled);
	::EnableWindow(GetDlgItem(IDC_AVALIABLE),bEnabled);
	::EnableWindow(GetDlgItem(IDC_ADD),bEnabled);
	::EnableWindow(GetDlgItem(IDC_REMOVE),bEnabled);
	::EnableWindow(GetDlgItem(IDC_USING),bEnabled);
	::EnableWindow(GetDlgItem(IDC_UP),bEnabled);
	::EnableWindow(GetDlgItem(IDC_DOWN),bEnabled);
	::EnableWindow(GetDlgItem(IDC_RECURSION),bEnabled);
}

void COptionsGameBrowserPage::AddFieldClicked ( UINT Code, int id, HWND ctl )
{
	int index = m_Avaliable.GetCurSel();
	if (index < 0) 
	{
		return; 
	}
	//remove from list
	int i = m_Avaliable.GetItemData(index);
	m_Avaliable.DeleteString(index);

	//select next in list
	int listCount = m_Avaliable.GetCount();
	if (index >= listCount) { index -= 1;}
	m_Avaliable.SetCurSel(index);

	//Add to list
	index = m_Using.AddString(GS(m_Fields[i].LangID()));
	m_Using.SetItemData(index,i);
	m_Using.SetCurSel(index);

	m_OrderChanged = true;
	m_OrderReset = false;
	SendMessage(GetParent(),PSM_CHANGED ,(WPARAM)m_hWnd,0);
}

void COptionsGameBrowserPage::RemoveFieldClicked ( UINT Code, int id, HWND ctl )
{
	int index = SendMessage(GetDlgItem(IDC_USING),LB_GETCURSEL,0,0);
	if (index < 0) 
	{ 
		return; 
	}

	//remove from list
	int i = SendMessage(GetDlgItem(IDC_USING),LB_GETITEMDATA,index,0);
	SendDlgItemMessage(IDC_USING,LB_DELETESTRING,index,0);

	//select next in list
	int listCount = SendDlgItemMessage(IDC_USING,LB_GETCOUNT,0,0);
	if (index >= listCount) { index -= 1;}
	SendDlgItemMessage(IDC_USING,LB_SETCURSEL,index,0);

	//Add to list
	index = SendDlgItemMessage(IDC_AVALIABLE,LB_ADDSTRING,0,(LPARAM)GS(m_Fields[i].LangID()));
	SendDlgItemMessage(IDC_AVALIABLE,LB_SETITEMDATA,index,i);
	SendDlgItemMessage(IDC_AVALIABLE,LB_SETCURSEL,index,0);

	m_OrderChanged = true;
	m_OrderReset = false;
	SendMessage(GetParent(),PSM_CHANGED ,(WPARAM)m_hWnd,0);
}

void COptionsGameBrowserPage::MoveFieldUpClicked ( UINT Code, int id, HWND ctl )
{
	int index = m_Using.GetCurSel();
	if (index <= 0) 
	{ 
		return; 
	}
	int i = m_Using.GetItemData(index);
	m_Using.DeleteString(index);

	index = m_Using.InsertString(index - 1,GS(m_Fields[i].LangID()));
	m_Using.SetItemData(index,i);
	m_Using.SetCurSel(index);

	m_OrderChanged = true;
	m_OrderReset = false;
	SendMessage(GetParent(),PSM_CHANGED ,(WPARAM)m_hWnd,0);
}

void COptionsGameBrowserPage::MoveFieldDownClicked ( UINT Code, int id, HWND ctl )
{
	int index = m_Using.GetCurSel();
	if (index < 0 || index >= (m_Using.GetCount() - 1))
	{ 
		return; 
	}
	int i = m_Using.GetItemData(index);
	m_Using.DeleteString(index);

	index = m_Using.InsertString(index + 1,GS(m_Fields[i].LangID()));
	m_Using.SetItemData(index,i);
	m_Using.SetCurSel(index);

	m_OrderChanged = true;
	m_OrderReset = false;
	SendMessage(GetParent(),PSM_CHANGED ,(WPARAM)m_hWnd,0);
}

void COptionsGameBrowserPage::HidePage()
{
	ShowWindow(SW_HIDE);
}

void COptionsGameBrowserPage::ShowPage()
{
	ShowWindow(SW_SHOW);
}

void COptionsGameBrowserPage::ApplySettings( bool UpdateScreen )
{
	bool bColChanged = false;
	if (m_OrderReset)
	{
		for (int i = 0; i < m_Fields.size(); i++ )
		{
			m_Fields[i].ResetPos();
		}
		bColChanged = true;
	} else {
		int Item, listCount = m_Using.GetCount();
		for (Item = 0; Item < listCount; Item ++ )
		{
			int Pos = m_Using.GetItemData(Item);
			if (m_OrderReset || m_Fields[Pos].Pos() != Item)
			{
				m_Fields[Pos].SetColPos(Item);
				bColChanged = true;
			}
		}

		listCount = m_Avaliable.GetCount();
		for (Item = 0; Item < listCount; Item ++ )
		{
			int Pos = m_Avaliable.GetItemData(Item);
			if (m_OrderReset || m_Fields[Pos].Pos() != -1)
			{
				m_Fields[Pos].SetColPos(-1);
				bColChanged = true;
			}
		}
	}
	if (bColChanged)
	{
		_Settings->SaveBool(RomBrowser_ColoumnsChanged,!_Settings->LoadBool(RomBrowser_ColoumnsChanged));
	}

	CSettingsPageImpl<COptionsGameBrowserPage>::ApplySettings(UpdateScreen);
}

bool COptionsGameBrowserPage::EnableReset ( void )
{
	if (m_OrderChanged) { return true; }
	return CSettingsPageImpl<COptionsGameBrowserPage>::EnableReset();
}

void COptionsGameBrowserPage::ResetPage()
{
	if (m_OrderChanged) 
	{ 
		ROMBROWSER_FIELDS_LIST Fields;
		CRomBrowser::GetFieldInfo(Fields,true);
		UpdateFieldList(Fields);
		m_OrderReset = true;
		SendMessage(GetParent(),PSM_CHANGED,(WPARAM)m_hWnd,0);
	}
	CSettingsPageImpl<COptionsGameBrowserPage>::ResetPage();
}