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// **************************************************************************
// * This file is part of the FreeFileSync project. It is distributed under *
// * GNU General Public License: http://www.gnu.org/licenses/gpl.html *
// * Copyright (C) Zenju (zenju AT gmx DOT de) - All Rights Reserved *
// **************************************************************************
#include "dir_name.h"
#include <zen/thread.h>
#include <zen/file_handling.h>
#include <wx/dnd.h>
#include <wx/window.h>
#include <wx/textctrl.h>
#include <wx/statbox.h>
#include <wx/dirdlg.h>
#include <wx/msgdlg.h>
#include <wx+/string_conv.h>
#include "../lib/resolve_path.h"
#include "folder_history_box.h"
#ifdef FFS_WIN
#include <zen/dll.h>
#include <zen/win_ver.h>
#include "IFileDialog_Vista\ifile_dialog.h"
#endif
using namespace zen;
const wxEventType zen::EVENT_ON_DIR_SELECTED = wxNewEventType();
const wxEventType zen::EVENT_ON_DIR_MANUAL_CORRECTION = wxNewEventType();
namespace
{
void setDirectoryNameImpl(const wxString& dirname, wxWindow& tooltipWnd, wxStaticText* staticText)
{
const wxString dirFormatted = utfCvrtTo<wxString>(getFormattedDirectoryName(toZ(dirname)));
tooltipWnd.SetToolTip(nullptr); //workaround wxComboBox bug http://trac.wxwidgets.org/ticket/10512 / http://trac.wxwidgets.org/ticket/12659
tooltipWnd.SetToolTip(dirFormatted); //who knows when the real bugfix reaches mere mortals via an official release...
if (staticText)
{
//change static box label only if there is a real difference to what is shown in wxTextCtrl anyway
wxString dirNormalized = dirname;
trim(dirNormalized);
if (!dirNormalized.empty() && !endsWith(dirNormalized, FILE_NAME_SEPARATOR))
dirNormalized += FILE_NAME_SEPARATOR;
staticText->SetLabel(dirNormalized == dirFormatted ? wxString(_("Drag && drop")) : dirFormatted);
}
}
void setDirectoryName(const wxString& dirname,
wxTextCtrl* txtCtrl,
wxWindow& tooltipWnd,
wxStaticText* staticText) //pointers are optional
{
if (txtCtrl)
txtCtrl->ChangeValue(dirname);
setDirectoryNameImpl(dirname, tooltipWnd, staticText);
}
void setDirectoryName(const wxString& dirname,
FolderHistoryBox* comboBox,
wxWindow& tooltipWnd,
wxStaticText* staticText) //pointers are optional
{
if (comboBox)
comboBox->setValue(dirname);
setDirectoryNameImpl(dirname, tooltipWnd, staticText);
}
}
//##############################################################################################################
template <class NameControl>
DirectoryName<NameControl>::DirectoryName(wxWindow& dropWindow,
wxButton& selectButton,
NameControl& dirName,
wxStaticText* staticText,
wxWindow* dropWindow2) :
dropWindow_(dropWindow),
dropWindow2_(dropWindow2),
selectButton_(selectButton),
dirName_(dirName),
staticText_(staticText)
{
//prepare drag & drop
setupFileDrop(dropWindow_);
dropWindow_.Connect(EVENT_DROP_FILE, FileDropEventHandler(DirectoryName::OnFilesDropped), nullptr, this);
if (dropWindow2_)
{
setupFileDrop(*dropWindow2_);
dropWindow2_->Connect(EVENT_DROP_FILE, FileDropEventHandler(DirectoryName::OnFilesDropped), nullptr, this);
}
//keep dirPicker and dirName synchronous
dirName_ .Connect(wxEVT_COMMAND_TEXT_UPDATED, wxCommandEventHandler (DirectoryName::OnWriteDirManually), nullptr, this);
selectButton_.Connect(wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler (DirectoryName::OnSelectDir ), nullptr, this);
}
template <class NameControl>
DirectoryName<NameControl>::~DirectoryName()
{
dropWindow_.Disconnect(EVENT_DROP_FILE, FileDropEventHandler(DirectoryName::OnFilesDropped), nullptr, this);
if (dropWindow2_)
dropWindow2_->Disconnect(EVENT_DROP_FILE, FileDropEventHandler(DirectoryName::OnFilesDropped), nullptr, this);
dirName_ .Disconnect(wxEVT_COMMAND_TEXT_UPDATED, wxCommandEventHandler (DirectoryName::OnWriteDirManually), nullptr, this);
selectButton_.Disconnect(wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler (DirectoryName::OnSelectDir ), nullptr, this);
}
template <class NameControl>
void DirectoryName<NameControl>::OnFilesDropped(FileDropEvent& event)
{
const auto& files = event.getFiles();
if (files.empty())
return;
if (acceptDrop(files, event.getDropPosition(), event.getDropWindow()))
{
const wxString fileName = event.getFiles()[0];
if (dirExists(toZ(fileName)))
setDirectoryName(fileName, &dirName_, dirName_, staticText_);
else
{
wxString parentName = beforeLast(fileName, utfCvrtTo<wxString>(FILE_NAME_SEPARATOR)); //returns empty string if ch not found
#ifdef FFS_WIN
if (endsWith(parentName, L":")) //volume name
parentName += FILE_NAME_SEPARATOR;
#endif
if (dirExists(toZ(parentName)))
setDirectoryName(parentName, &dirName_, dirName_, staticText_);
else //set original name unconditionally: usecase: inactive mapped network shares
setDirectoryName(fileName, &dirName_, dirName_, staticText_);
}
//notify action invoked by user
wxCommandEvent dummy(EVENT_ON_DIR_SELECTED);
ProcessEvent(dummy);
}
else
event.Skip(); //let other handlers try!!!
}
template <class NameControl>
void DirectoryName<NameControl>::OnWriteDirManually(wxCommandEvent& event)
{
setDirectoryName(event.GetString(), static_cast<NameControl*>(nullptr), dirName_, staticText_);
wxCommandEvent dummy(EVENT_ON_DIR_MANUAL_CORRECTION);
ProcessEvent(dummy);
event.Skip();
}
template <class NameControl>
void DirectoryName<NameControl>::OnSelectDir(wxCommandEvent& event)
{
wxString defaultDirname; //default selection for dir picker
{
const Zstring dirFmt = getFormattedDirectoryName(toZ(getName()));
if (!dirFmt.empty())
{
//convert to Zstring first: we don't want to pass wxString by value and risk MT issues!
auto ft = async([=] { return zen::dirExists(dirFmt); });
if (ft.timed_wait(boost::posix_time::milliseconds(200)) && ft.get()) //potentially slow network access: wait 200ms at most
defaultDirname = utfCvrtTo<wxString>(dirFmt);
}
}
//wxDirDialog internally uses lame-looking SHBrowseForFolder(); we better use IFileDialog() instead! (remembers size and position!)
std::unique_ptr<wxString> newFolder;
#ifdef FFS_WIN
if (vistaOrLater())
{
using namespace ifile;
const DllFun<FunType_showFolderPicker> showFolderPicker(getDllName(), funName_showFolderPicker);
const DllFun<FunType_freeString> freeString (getDllName(), funName_freeString);
if (showFolderPicker && freeString)
{
wchar_t* selectedFolder = nullptr;
wchar_t* errorMsg = nullptr;
bool cancelled = false;
ZEN_ON_SCOPE_EXIT(freeString(selectedFolder));
ZEN_ON_SCOPE_EXIT(freeString(errorMsg));
const GuidProxy guid = { '\x0', '\x4a', '\xf9', '\x31', '\xb4', '\x92', '\x40', '\xa0',
'\x8d', '\xc2', '\xc', '\xa5', '\xef', '\x59', '\x6e', '\x3b'
}; //some random GUID => have Windows save IFileDialog state separately from other file/dir pickers!
showFolderPicker(static_cast<HWND>(selectButton_.GetHWND()), //in; ==HWND
defaultDirname.empty() ? nullptr : defaultDirname.c_str(), //in, optional!
&guid,
selectedFolder, //out: call freeString() after use!
cancelled, //out
errorMsg); //out, optional: call freeString() after use!
if (errorMsg)
{
wxMessageBox(errorMsg, _("Error"), wxOK | wxICON_ERROR);
return;
}
if (cancelled || !selectedFolder)
return;
newFolder = make_unique<wxString>(selectedFolder);
}
}
#endif
if (!newFolder.get())
{
wxDirDialog dirPicker(&selectButton_, _("Select a folder"), defaultDirname); //put modal wxWidgets dialogs on stack: creating on freestore leads to memleak!
if (dirPicker.ShowModal() != wxID_OK)
return;
newFolder = make_unique<wxString>(dirPicker.GetPath());
}
setDirectoryName(*newFolder, &dirName_, dirName_, staticText_);
//notify action invoked by user
wxCommandEvent dummy(EVENT_ON_DIR_SELECTED);
ProcessEvent(dummy);
}
template <class NameControl>
wxString DirectoryName<NameControl>::getName() const
{
return dirName_.GetValue();
}
template <class NameControl>
void DirectoryName<NameControl>::setName(const wxString& dirname)
{
setDirectoryName(dirname, &dirName_, dirName_, staticText_);
}
//explicit template instantiations
template class DirectoryName<wxTextCtrl>;
template class DirectoryName<FolderHistoryBox>;
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