#include "SRComboBox.h"
#include "SRApp.h"
#include <windows.h>

using namespace SRFramework;


SRComboBox::SRComboBox(void)
{
    m_hInstance = SRFramework::SRApp::GetInstanceHandle();
    m_wcsClassName = "combobox";
    m_wcsWindowName = "";
}

SRComboBox::~SRComboBox(void)
{

}

BOOL SRComboBox::Create(SRWnd *pParentWnd, RECT bounds, INT nChildID, DWORD dwStyle)
{
    if(!Register())
        return FALSE;
    if(!SRWnd::Create(m_wcsClassName,m_wcsWindowName, dwStyle, bounds, pParentWnd, (HMENU)nChildID, m_hInstance))
        return FALSE;
    
    return TRUE;
}

WCString SRComboBox::GetText()
{
    TCHAR *strQuery = NULL;
    WCString wcsQuery;

    INT nQueryLen = ::SendMessage(m_hWnd, WM_GETTEXTLENGTH, NULL, NULL) + 1;
    strQuery = new TCHAR[nQueryLen];
    ::SendMessage(m_hWnd,WM_GETTEXT,(WPARAM)nQueryLen,(LPARAM)strQuery);
    strQuery[nQueryLen - 1] = 0; // in case the buffer was exceeded
    
    wcsQuery = strQuery;
    delete [] strQuery;
    
    return wcsQuery;
}

WCString SRComboBox::GetItemAt(INT nItemIndex)
{
    TCHAR *strQuery = NULL;
    WCString wcsQuery;

    INT nQueryLen = ::SendMessage(m_hWnd, CB_GETLBTEXTLEN, (WPARAM)nItemIndex, NULL) + 1;
    strQuery = new TCHAR[nQueryLen];
    ::SendMessage(m_hWnd,CB_GETLBTEXT,(WPARAM)nItemIndex,(LPARAM)strQuery);
    strQuery[nQueryLen - 1] = 0; // in case the buffer was exceeded
    
    wcsQuery = strQuery;
    delete [] strQuery;
    
    return wcsQuery;
}

VOID SRComboBox::Clear()
{
    ::SendMessage (m_hWnd, CB_RESETCONTENT,0,0);
}

INT SRComboBox::AddItem(const WCString &wcsItem)
{
    return ::SendMessage (m_hWnd, CB_ADDSTRING, 0, (LPARAM)(LPCTSTR)wcsItem.w_str());
}

INT SRComboBox::InsertItem(INT nItemIndex, const WCString &wcsItem)
{
    return ::SendMessage (m_hWnd, CB_INSERTSTRING, nItemIndex, (LPARAM)(LPCTSTR)wcsItem.w_str());
}

INT SRComboBox::DeleteItem(INT nItemIndex)
{
    return ::SendMessage (m_hWnd, CB_DELETESTRING, nItemIndex, NULL);
}
        
INT SRComboBox::FindItem(const WCString &wcsItem)
{
    return ::SendMessage (m_hWnd, CB_FINDSTRING, 0, (LPARAM)(LPCTSTR)wcsItem.w_str());
}

INT SRComboBox::SelectItem(const WCString &wcsItem)
{
    return ::SendMessage (m_hWnd, CB_SELECTSTRING, 0, (LPARAM)(LPCTSTR)wcsItem.w_str());
}

INT SRComboBox::SetCurSel(INT nItemIndex)
{
    return ::SendMessage(m_hWnd, CB_SETCURSEL, (WPARAM)nItemIndex, 0);
}

INT SRComboBox::GetCurSel()
{
    return ::SendMessage (m_hWnd, CB_GETCURSEL, 0,0);
}

BOOL SRComboBox::SetText(const WCString &text)
{
    return ::SendMessage(m_hWnd, WM_SETTEXT, NULL, (LPARAM)text.w_str());
}


BOOL SRComboBox::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags)
{
    INT a = 0;

    switch(nChar)
    {
    case VK_UP:
        break;
    case VK_DOWN:
        break;
    case VK_LEFT:
        break;
    case VK_RIGHT:
        break;
    default:
        return FALSE;
    }
    
    return TRUE;
}