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#include "dragAndDrop.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 "../algorithm.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 wxString& nameDropped, const wxWindow* dropWindow) :
wxCommandEvent(FFS_DROP_FILE_EVENT),
nameDropped_(nameDropped),
dropWindow_(dropWindow) {}
virtual wxEvent* Clone() const
{
return new FFSFileDropEvent(nameDropped_, dropWindow_);
}
const wxString nameDropped_;
const wxWindow* dropWindow_;
};
//##############################################################################################################
class WindowDropTarget : public wxFileDropTarget
{
public:
WindowDropTarget(wxWindow* dropWindow) :
dropWindow_(dropWindow) {}
virtual bool OnDropFiles(wxCoord x, wxCoord y, const wxArrayString& filenames)
{
if (!filenames.IsEmpty())
{
const wxString droppedFileName = filenames[0];
//create a custom event on drop window: execute event after file dropping is completed! (e.g. after mouse is released)
FFSFileDropEvent evt(droppedFileName, dropWindow_);
dropWindow_->GetEventHandler()->AddPendingEvent(evt);
}
return false;
}
private:
wxWindow* dropWindow_;
};
//##############################################################################################################
using FreeFileSync::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 ( this->dropWindow1_ == event.dropWindow_ || //file may be dropped on window 1 or 2
this->dropWindow2_ == event.dropWindow_)
{
if (AcceptDrop(event.nameDropped_))
{
wxString fileName = event.nameDropped_;
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);
}
}
}
}
else //should never be reached
event.Skip();
};
void DragDropOnMainDlg::OnWriteDirManually(wxCommandEvent& event)
{
const wxString newDir = FreeFileSync::getFormattedDirectoryName(event.GetString().c_str()).c_str();
if (wxDirExists(newDir))
dirPicker_->SetPath(newDir);
event.Skip();
}
void DragDropOnMainDlg::OnDirSelected(wxFileDirPickerEvent& event)
{
const wxString newPath = event.GetPath();
dirName_->SetSelection(wxNOT_FOUND);
dirName_->SetValue(newPath);
event.Skip();
}
//##############################################################################################################
using FreeFileSync::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 (this->dropWindow_ == event.dropWindow_)
{
wxString fileName = event.nameDropped_;
if (wxDirExists(fileName))
{
dirName_->SetValue(fileName);
dirPicker_->SetPath(fileName);
}
else
{
fileName = wxFileName(fileName).GetPath();
if (wxDirExists(fileName))
{
dirName_->SetValue(fileName);
dirPicker_->SetPath(fileName);
}
}
}
else //should never be reached
event.Skip();
};
void DragDropOnDlg::OnWriteDirManually(wxCommandEvent& event)
{
const wxString newDir = FreeFileSync::getFormattedDirectoryName(event.GetString().c_str()).c_str();
if (wxDirExists(newDir))
dirPicker_->SetPath(newDir);
event.Skip();
}
void DragDropOnDlg::OnDirSelected(wxFileDirPickerEvent& event)
{
const wxString newPath = event.GetPath();
dirName_->SetValue(newPath);
event.Skip();
}
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