00001 #include <wx/filedlg.h>
00002 #include <wx/msgdlg.h>
00003
00004 #include "trafu_dialog.h"
00005 #include "flowvis_frame.h"
00006
00007 #include <string>
00008 #include <stdexcept>
00009
00010 BEGIN_EVENT_TABLE( TraFuDialog, wxDialog )
00011 EVT_TRANSFERFUNCTION_CHANGED(wxID_ANY, TraFuDialog::OnTraFuChanged)
00012 END_EVENT_TABLE()
00013
00014 namespace
00015 {
00016 void ShowError(wxWindow* parent, const wxString &source, const wxString* info)
00017 {
00018 wxString message(source);
00019 if (info) message += _("\n\nReason:\n") + *info;
00020 wxMessageBox(message, _("Error"), wxOK | wxCENTER | wxICON_ERROR, parent);
00021 }
00022 }
00023
00024 void TraFuDialog::OnSaveTF(wxCommandEvent& event)
00025 {
00026 wxString caption = _("Save Transfer Function");
00027 wxString wildcard = _("Transfer Function Files (*.tf)|*.tf|All Files (*.*)|*.*");
00028 wxFileDialog dlg(this, caption, wxEmptyString, wxEmptyString, wildcard, wxSAVE);
00029
00030 if (dlg.ShowModal() == wxID_OK) {
00031
00032 try{
00033 this->m_data->save_file(dlg.GetPath().fn_str());
00034 } catch (const std::exception &e) {
00035 wxString info = wxString::FromAscii(e.what());
00036 ShowError(this, _("Failed to save transfer function."), &info);
00037 } catch (...) {
00038 ShowError(this, _("Failed to save transfer function."), 0);
00039 }
00040 }
00041 }
00042
00043 void TraFuDialog::OnLoadTF(wxCommandEvent& event)
00044 {
00045 wxString caption = _("Open Transfer Function File");
00046 wxString wildcard = _("Transfer Function Files (*.tf)|*.tf|All Files (*.*)|*.*");
00047 wxFileDialog dlg(this, caption, wxEmptyString, wxEmptyString, wildcard, wxOPEN | wxFILE_MUST_EXIST);
00048
00049 if (dlg.ShowModal() == wxID_OK) {
00050
00051 try {
00052 this->m_data->load_file(dlg.GetPath().fn_str());
00053 } catch (const std::exception &e) {
00054 wxString info = wxString::FromAscii(e.what());
00055 ShowError(this, _("Failed to load transfer function."), &info);
00056 } catch (...) {
00057 ShowError(this, _("Failed to load transfer function."), 0);
00058 }
00059 }
00060 m_trafu_canvas->Refresh();
00061 }
00062
00063 void TraFuDialog::OnTFReset( wxCommandEvent& event )
00064 {
00065 m_data->Init();
00066 m_trafu_canvas->Refresh();
00067 UpdateVolumeCanvas();
00068 }
00069
00070 void TraFuDialog::OnTraFuChanged(const wxTransferFunctionEvent& event)
00071 {
00072 UpdateVolumeCanvas();
00073 }
00074
00075 void TraFuDialog::UpdateVolumeCanvas()
00076 {
00077 FlowVisFrame *big_daddy = static_cast<FlowVisFrame *>(this->GetParent());
00078 big_daddy->OnTraFuChanged();
00079 }
