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#include "StdAfx.h"
#define WINDOW_PREFIX "CurrenyConverter_"
#define DB_STR_CC_QUOTE_FROM_ID "CurrencyConverter_FromID"
#define DB_STR_CC_QUOTE_TO_ID "CurrencyConverter_ToID"
#define DB_STR_CC_AMOUNT "CurrencyConverter_Amount"
static CQuotesProviderGoogle* get_google_provider()
{
CModuleInfo::TQuotesProvidersPtr pProviders = CModuleInfo::GetQuoteProvidersPtr();
const CQuotesProviders::TQuotesProviders& rapQuotesProviders = pProviders->GetProviders();
for (CQuotesProviders::TQuotesProviders::const_iterator i = rapQuotesProviders.begin(); i != rapQuotesProviders.end(); ++i) {
const CQuotesProviders::TQuotesProviderPtr& pProvider = *i;
CQuotesProviderGoogle* pGoogle = dynamic_cast<CQuotesProviderGoogle*>(pProvider.get());
if (pGoogle)
return pGoogle;
}
assert(!"We should never get here!");
return NULL;
}
CQuotesProviderGoogle::CQuoteSection get_quotes(const CQuotesProviderGoogle* pProvider = NULL)
{
if (NULL == pProvider)
pProvider = get_google_provider();
if (pProvider) {
const CQuotesProviderGoogle::CQuoteSection& rQuotes = pProvider->GetQuotes();
if (rQuotes.GetSectionCount() > 0)
return rQuotes.GetSection(0);
}
return CQuotesProviderGoogle::CQuoteSection();
}
inline tstring make_quote_name(const CQuotesProviderGoogle::CQuote& rQuote)
{
const tstring& rsDesc = rQuote.GetName();
return((false == rsDesc.empty()) ? rsDesc : rQuote.GetSymbol());
}
inline void update_convert_button(HWND hDlg)
{
int nFrom = static_cast<int>(::SendDlgItemMessage(hDlg, IDC_COMBO_CONVERT_FROM, CB_GETCURSEL, 0, 0));
int nTo = static_cast<int>(::SendDlgItemMessage(hDlg, IDC_COMBO_CONVERT_INTO, CB_GETCURSEL, 0, 0));
bool bEnableButton = ((CB_ERR != nFrom)
&& (CB_ERR != nTo)
&& (nFrom != nTo)
&& (GetWindowTextLength(GetDlgItem(hDlg, IDC_EDIT_VALUE)) > 0));
EnableWindow(GetDlgItem(hDlg, IDC_BUTTON_CONVERT), bEnableButton);
}
inline void update_swap_button(HWND hDlg)
{
int nFrom = static_cast<int>(::SendDlgItemMessage(hDlg, IDC_COMBO_CONVERT_FROM, CB_GETCURSEL, 0, 0));
int nTo = static_cast<int>(::SendDlgItemMessage(hDlg, IDC_COMBO_CONVERT_INTO, CB_GETCURSEL, 0, 0));
bool bEnableButton = ((CB_ERR != nFrom)
&& (CB_ERR != nTo)
&& (nFrom != nTo));
EnableWindow(GetDlgItem(hDlg, IDC_BUTTON_SWAP), bEnableButton);
}
inline tstring double2str(double dValue)
{
tostringstream output;
output.imbue(GetSystemLocale());
output << std::fixed << std::setprecision(2) << dValue;
return output.str();
}
inline bool str2double(const tstring& s, double& d)
{
tistringstream input(s);
input.imbue(GetSystemLocale());
input >> d;
return ((false == input.bad()) && (false == input.fail()));
}
INT_PTR CALLBACK CurrencyConverterDlgProc(HWND hDlg, UINT msg, WPARAM wp, LPARAM lp)
{
switch (msg) {
case WM_INITDIALOG:
TranslateDialogDefault(hDlg);
{
MWindowList hWL = CModuleInfo::GetInstance().GetWindowList(WINDOW_PREFIX, false);
assert(hWL);
WindowList_Add(hWL, hDlg, NULL);
Window_SetIcon_IcoLib(hDlg, Quotes_GetIconHandle(IDI_ICON_CURRENCY_CONVERTER));
HWND hcbxFrom = ::GetDlgItem(hDlg, IDC_COMBO_CONVERT_FROM);
HWND hcbxTo = ::GetDlgItem(hDlg, IDC_COMBO_CONVERT_INTO);
tstring sFromQuoteID = Quotes_DBGetStringT(NULL, QUOTES_MODULE_NAME, DB_STR_CC_QUOTE_FROM_ID);
tstring sToQuoteID = Quotes_DBGetStringT(NULL, QUOTES_MODULE_NAME, DB_STR_CC_QUOTE_TO_ID);
const CQuotesProviderGoogle* pProvider = get_google_provider();
const CQuotesProviderGoogle::CQuoteSection& rSection = get_quotes(pProvider);
size_t cQuotes = rSection.GetQuoteCount();
for (size_t i = 0; i < cQuotes; ++i) {
const CQuotesProviderGoogle::CQuote& rQuote = rSection.GetQuote(i);
tstring sName = make_quote_name(rQuote);
LPCTSTR pszName = sName.c_str();
LRESULT nFrom = ::SendMessage(hcbxFrom, CB_ADDSTRING, 0, reinterpret_cast<LPARAM>(pszName));
LRESULT nTo = ::SendMessage(hcbxTo, CB_ADDSTRING, 0, reinterpret_cast<LPARAM>(pszName));
if (0 == mir_tstrcmpi(rQuote.GetID().c_str(), sFromQuoteID.c_str())) {
::SendMessage(hcbxFrom, CB_SETCURSEL, nFrom, 0);
}
if (0 == mir_tstrcmpi(rQuote.GetID().c_str(), sToQuoteID.c_str())) {
::SendMessage(hcbxTo, CB_SETCURSEL, nTo, 0);
}
}
double dAmount = 1.0;
Quotes_DBReadDouble(NULL, QUOTES_MODULE_NAME, DB_STR_CC_AMOUNT, dAmount);
::SetDlgItemText(hDlg, IDC_EDIT_VALUE, double2str(dAmount).c_str());
const IQuotesProvider::CProviderInfo& pi = pProvider->GetInfo();
tostringstream o;
o << TranslateT("Info provided by") << L" <a href=\"" << pi.m_sURL << L"\">" << pi.m_sName << L"</a>";
::SetDlgItemText(hDlg, IDC_SYSLINK_PROVIDER, o.str().c_str());
::SendDlgItemMessage(hDlg, IDC_BUTTON_SWAP, BM_SETIMAGE, IMAGE_ICON, LPARAM(Quotes_LoadIconEx(IDI_ICON_SWAP)));
update_convert_button(hDlg);
update_swap_button(hDlg);
Utils_RestoreWindowPositionNoSize(hDlg, NULL, QUOTES_PROTOCOL_NAME, WINDOW_PREFIX);
::ShowWindow(hDlg, SW_SHOW);
}
return TRUE;
case WM_CLOSE:
{
MWindowList hWL = CModuleInfo::GetInstance().GetWindowList(WINDOW_PREFIX, false);
assert(hWL);
WindowList_Remove(hWL, hDlg);
Utils_SaveWindowPosition(hDlg, NULL, QUOTES_PROTOCOL_NAME, WINDOW_PREFIX);
EndDialog(hDlg, 0);
}
return TRUE;
case WM_DESTROY:
Window_FreeIcon_IcoLib(hDlg);
break;
case WM_COMMAND:
switch (LOWORD(wp)) {
case IDC_COMBO_CONVERT_FROM:
case IDC_COMBO_CONVERT_INTO:
if (CBN_SELCHANGE == HIWORD(wp)) {
update_convert_button(hDlg);
update_swap_button(hDlg);
}
return TRUE;
case IDC_EDIT_VALUE:
if (EN_CHANGE == HIWORD(wp))
update_convert_button(hDlg);
return TRUE;
case IDCANCEL:
SendMessage(hDlg, WM_CLOSE, 0, 0);
return TRUE;
case IDC_BUTTON_SWAP:
{
HWND wndFrom = ::GetDlgItem(hDlg, IDC_COMBO_CONVERT_FROM);
HWND wndTo = ::GetDlgItem(hDlg, IDC_COMBO_CONVERT_INTO);
WPARAM nFrom = ::SendMessage(wndFrom, CB_GETCURSEL, 0, 0);
WPARAM nTo = ::SendMessage(wndTo, CB_GETCURSEL, 0, 0);
::SendMessage(wndFrom, CB_SETCURSEL, nTo, 0);
::SendMessage(wndTo, CB_SETCURSEL, nFrom, 0);
}
return TRUE;
case IDC_BUTTON_CONVERT:
{
HWND hwndAmount = GetDlgItem(hDlg, IDC_EDIT_VALUE);
tstring sText = get_window_text(hwndAmount);
double dAmount = 1.0;
if ((true == str2double(sText, dAmount)) && (dAmount > 0.0)) {
Quotes_DBWriteDouble(NULL, QUOTES_MODULE_NAME, DB_STR_CC_AMOUNT, dAmount);
size_t nFrom = static_cast<size_t>(::SendDlgItemMessage(hDlg, IDC_COMBO_CONVERT_FROM, CB_GETCURSEL, 0, 0));
size_t nTo = static_cast<size_t>(::SendDlgItemMessage(hDlg, IDC_COMBO_CONVERT_INTO, CB_GETCURSEL, 0, 0));
if ((CB_ERR != nFrom) && (CB_ERR != nTo) && (nFrom != nTo)) {
const CQuotesProviderGoogle::CQuoteSection& rSection = get_quotes();
size_t cQuotes = rSection.GetQuoteCount();
if ((nFrom < cQuotes) && (nTo < cQuotes)) {
CQuotesProviderGoogle::CRateInfo ri;
CQuotesProviderGoogle::CQuote from = rSection.GetQuote(nFrom);
CQuotesProviderGoogle::CQuote to = rSection.GetQuote(nTo);
db_set_ts(NULL, QUOTES_MODULE_NAME, DB_STR_CC_QUOTE_FROM_ID, from.GetID().c_str());
db_set_ts(NULL, QUOTES_MODULE_NAME, DB_STR_CC_QUOTE_TO_ID, to.GetID().c_str());
const CQuotesProviderGoogle* pProvider = get_google_provider();
assert(pProvider);
if (pProvider) {
tstring sResult;
std::string sError;
try {
double dResult = pProvider->Convert(dAmount, from, to);
tostringstream ss;
ss.imbue(GetSystemLocale());
ss << std::fixed << std::setprecision(2) << dAmount << " " << from.GetName() << " = " << dResult << " " << to.GetName();
sResult = ss.str();
}
catch (std::exception& e) {
sError = e.what();
}
if (false == sError.empty())
sResult = quotes_a2t(sError.c_str());//A2T(sError.c_str());
SetDlgItemText(hDlg, IDC_EDIT_RESULT, sResult.c_str());
}
}
}
}
else {
Quotes_MessageBox(hDlg, TranslateT("Enter positive number."), MB_OK | MB_ICONERROR);
prepare_edit_ctrl_for_error(GetDlgItem(hDlg, IDC_EDIT_VALUE));
}
}
return TRUE;
}
break;
case WM_NOTIFY:
LPNMHDR pNMHDR = reinterpret_cast<LPNMHDR>(lp);
switch (pNMHDR->code) {
case NM_CLICK:
if (IDC_SYSLINK_PROVIDER == wp) {
PNMLINK pNMLink = reinterpret_cast<PNMLINK>(pNMHDR);
::ShellExecute(hDlg, L"open", pNMLink->item.szUrl, NULL, NULL, SW_SHOWNORMAL);
}
break;
}
break;
}
return (FALSE);
}
INT_PTR QuotesMenu_CurrencyConverter(WPARAM, LPARAM)
{
MWindowList hWL = CModuleInfo::GetInstance().GetWindowList(WINDOW_PREFIX, true);
HWND hWnd = WindowList_Find(hWL, NULL);
if (NULL != hWnd) {
SetForegroundWindow(hWnd);
SetFocus(hWnd);
}
else CreateDialogParam(g_hInstance, MAKEINTRESOURCE(IDD_CURRENCY_CONVERTER), NULL, CurrencyConverterDlgProc, 0);
return 0;
}
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