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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) 2008-2010 ZenJu (zhnmju123 AT gmx.de) *
// **************************************************************************
//
#include "drag_n_drop.h"
#include <wx/dnd.h>
#include <wx/window.h>
#include <wx/combobox.h>
#include <wx/textctrl.h>
#include <wx/filepicker.h>
#include <wx/filename.h>
#include "file_handling.h"
#include "string_conv.h"
#include "check_exist.h"
//define new event type
const wxEventType FFS_DROP_FILE_EVENT = wxNewEventType();
typedef void (wxEvtHandler::*FFSFileDropEventFunction)(FFSFileDropEvent&);
#define FFSFileDropEventHandler(func) \
(wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(FFSFileDropEventFunction, &func)
class FFSFileDropEvent : public wxCommandEvent
{
public:
FFSFileDropEvent(const std::vector<wxString>& filesDropped, const wxWindow* dropWindow) :
wxCommandEvent(FFS_DROP_FILE_EVENT),
filesDropped_(filesDropped),
dropWindow_(dropWindow) {}
virtual wxEvent* Clone() const
{
return new FFSFileDropEvent(filesDropped_, dropWindow_);
}
const std::vector<wxString> filesDropped_;
const wxWindow* dropWindow_;
};
//##############################################################################################################
class WindowDropTarget : public wxFileDropTarget
{
public:
WindowDropTarget(wxWindow* dropWindow) :
dropWindow_(dropWindow) {}
virtual bool OnDropFiles(wxCoord x, wxCoord y, const wxArrayString& fileArray)
{
std::vector<wxString> filenames;
for (size_t i = 0; i < fileArray.GetCount(); ++i)
filenames.push_back(fileArray[i]);
if (!filenames.empty())
{
//create a custom event on drop window: execute event after file dropping is completed! (e.g. after mouse is released)
FFSFileDropEvent evt(filenames, dropWindow_);
dropWindow_->GetEventHandler()->AddPendingEvent(evt);
}
return false;
}
private:
wxWindow* dropWindow_;
};
//##############################################################################################################
using ffs3::DragDropOnMainDlg;
DragDropOnMainDlg::DragDropOnMainDlg(wxWindow* dropWindow1,
wxWindow* dropWindow2,
wxDirPickerCtrl* dirPicker,
wxComboBox* dirName) :
dropWindow1_(dropWindow1),
dropWindow2_(dropWindow2),
dirPicker_(dirPicker),
dirName_(dirName)
{
//prepare drag & drop
dropWindow1->SetDropTarget(new WindowDropTarget(dropWindow1)); //takes ownership
dropWindow2->SetDropTarget(new WindowDropTarget(dropWindow2)); //takes ownership
//redirect drag & drop event back to this class
dropWindow1->Connect(FFS_DROP_FILE_EVENT, FFSFileDropEventHandler(DragDropOnMainDlg::OnFilesDropped), NULL, this);
dropWindow2->Connect(FFS_DROP_FILE_EVENT, FFSFileDropEventHandler(DragDropOnMainDlg::OnFilesDropped), NULL, this);
//keep dirPicker and dirName synchronous
dirName-> Connect( wxEVT_COMMAND_TEXT_UPDATED, wxCommandEventHandler( DragDropOnMainDlg::OnWriteDirManually), NULL, this );
dirPicker->Connect( wxEVT_COMMAND_DIRPICKER_CHANGED, wxFileDirPickerEventHandler(DragDropOnMainDlg::OnDirSelected), NULL, this );
}
void DragDropOnMainDlg::OnFilesDropped(FFSFileDropEvent& event)
{
if (event.filesDropped_.empty())
return;
if ( this->dropWindow1_ == event.dropWindow_ || //file may be dropped on window 1 or 2
this->dropWindow2_ == event.dropWindow_)
{
if (AcceptDrop(event.filesDropped_))
{
wxString fileName = event.filesDropped_[0];
if (wxDirExists(fileName))
{
dirName_->SetSelection(wxNOT_FOUND);
dirName_->SetValue(fileName);
dirPicker_->SetPath(fileName);
}
else
{
fileName = wxFileName(fileName).GetPath();
if (wxDirExists(fileName))
{
dirName_->SetSelection(wxNOT_FOUND);
dirName_->SetValue(fileName);
dirPicker_->SetPath(fileName);
}
}
}
}
}
void DragDropOnMainDlg::OnWriteDirManually(wxCommandEvent& event)
{
const Zstring newDir = getFormattedDirectoryName(wxToZ(event.GetString()));
if (util::dirExists(newDir, 100) == util::EXISTING_TRUE) //potentially slow network access: wait 100 ms at most
dirPicker_->SetPath(zToWx(newDir));
event.Skip();
}
void DragDropOnMainDlg::OnDirSelected(wxFileDirPickerEvent& event)
{
const wxString newPath = event.GetPath();
dirName_->SetSelection(wxNOT_FOUND);
dirName_->SetValue(newPath);
event.Skip();
}
//##############################################################################################################
using ffs3::DragDropOnDlg;
DragDropOnDlg::DragDropOnDlg(wxWindow* dropWindow,
wxDirPickerCtrl* dirPicker,
wxTextCtrl* dirName) :
dropWindow_(dropWindow),
dirPicker_(dirPicker),
dirName_(dirName)
{
//prepare drag & drop
dropWindow->SetDropTarget(new WindowDropTarget(dropWindow)); //takes ownership
//redirect drag & drop event back to this class
dropWindow->Connect(FFS_DROP_FILE_EVENT, FFSFileDropEventHandler(DragDropOnDlg::OnFilesDropped), NULL, this);
//keep dirPicker and dirName synchronous
dirName->Connect( wxEVT_COMMAND_TEXT_UPDATED, wxCommandEventHandler( DragDropOnDlg::OnWriteDirManually ), NULL, this );
dirPicker->Connect( wxEVT_COMMAND_DIRPICKER_CHANGED, wxFileDirPickerEventHandler( DragDropOnDlg::OnDirSelected ), NULL, this );
}
void DragDropOnDlg::OnFilesDropped(FFSFileDropEvent& event)
{
if (event.filesDropped_.empty())
return;
if (this->dropWindow_ == event.dropWindow_)
{
wxString fileName = event.filesDropped_[0];
if (wxDirExists(fileName))
{
dirName_->SetValue(fileName);
dirPicker_->SetPath(fileName);
}
else
{
fileName = wxFileName(fileName).GetPath();
if (wxDirExists(fileName))
{
dirName_->SetValue(fileName);
dirPicker_->SetPath(fileName);
}
}
}
}
void DragDropOnDlg::OnWriteDirManually(wxCommandEvent& event)
{
const Zstring newDir = ffs3::getFormattedDirectoryName(wxToZ(event.GetString()));
if (util::dirExists(newDir, 100) == util::EXISTING_TRUE) //potentially slow network access: wait 100 ms at most
dirPicker_->SetPath(zToWx(newDir));
event.Skip();
}
void DragDropOnDlg::OnDirSelected(wxFileDirPickerEvent& event)
{
const wxString newPath = event.GetPath();
dirName_->SetValue(newPath);
event.Skip();
}
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