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/***************************************************************
* Purpose: Code for Application Class
* Author: ZenJu (zhnmju123@gmx.de)
* Created: 2008-07-16
**************************************************************/
#include "application.h"
#include "ui/mainDialog.h"
#include "shared/globalFunctions.h"
#include <wx/msgdlg.h>
#include "comparison.h"
#include "algorithm.h"
#include "synchronization.h"
#include <memory>
#include "ui/batchStatusHandler.h"
#include "ui/checkVersion.h"
#include "library/filter.h"
#include <wx/file.h>
#include "shared/xmlBase.h"
#include "library/resources.h"
#include "shared/standardPaths.h"
#include "shared/localization.h"
#ifdef FFS_LINUX
#include <gtk/gtk.h>
#endif
using FreeFileSync::CustomLocale;
IMPLEMENT_APP(Application);
bool Application::OnInit()
{
returnValue = 0;
//do not call wxApp::OnInit() to avoid using default commandline parser
//Note: initialization is done in the FIRST idle event instead of OnInit. Reason: Commandline mode requires the wxApp eventhandler to be established
//for UI update events. This is not the case at the time of OnInit().
Connect(wxEVT_IDLE, wxIdleEventHandler(Application::OnStartApplication), NULL, this);
return true;
}
void Application::OnStartApplication(wxIdleEvent& event)
{
Disconnect(wxEVT_IDLE, wxIdleEventHandler(Application::OnStartApplication), NULL, this);
//if appname is not set, the default is the executable's name!
SetAppName(wxT("FreeFileSync"));
#ifdef FFS_LINUX
::gtk_rc_parse("styles.rc"); //remove inner border from bitmap buttons
#endif
//test if FFS is to be started on UI with config file passed as commandline parameter
//try to set config/batch-filename set by %1 parameter
wxString cfgFilename;
if (argc > 1)
{
const wxString filename(argv[1]);
if (wxFileExists(filename)) //load file specified by %1 parameter:
cfgFilename = filename;
else if (wxFileExists(filename + wxT(".ffs_batch")))
cfgFilename = filename + wxT(".ffs_batch");
else if (wxFileExists(filename + wxT(".ffs_gui")))
cfgFilename = filename + wxT(".ffs_gui");
else
{
wxMessageBox(wxString(_("File does not exist:")) + wxT(" \"") + filename + wxT("\""), _("Error"), wxOK | wxICON_ERROR);
return;
}
}
GlobalResources::getInstance().load(); //loads bitmap resources on program startup
try //load global settings from XML
{
xmlAccess::readGlobalSettings(globalSettings);
}
catch (const xmlAccess::XmlError& error)
{
if (wxFileExists(FreeFileSync::getGlobalConfigFile()))
{ //show messagebox and continue
SetExitOnFrameDelete(false); //prevent error messagebox from becoming top-level window
if (error.getSeverity() == xmlAccess::XmlError::WARNING)
wxMessageBox(error.show(), _("Warning"), wxOK | wxICON_WARNING);
else
wxMessageBox(error.show(), _("Error"), wxOK | wxICON_ERROR);
SetExitOnFrameDelete(true);
}
//else: globalSettings already has default values
}
//set program language
SetExitOnFrameDelete(false); //prevent error messagebox from becoming top-level window
CustomLocale::getInstance().setLanguage(globalSettings.programLanguage);
SetExitOnFrameDelete(true);
if (!cfgFilename.empty())
{
//load file specified by %1 parameter:
const xmlAccess::XmlType xmlConfigType = xmlAccess::getXmlType(cfgFilename);
switch (xmlConfigType)
{
case xmlAccess::XML_GUI_CONFIG: //start in GUI mode (configuration file specified)
runGuiMode(cfgFilename, globalSettings);
break;
case xmlAccess::XML_BATCH_CONFIG: //start in commandline mode
runBatchMode(cfgFilename, globalSettings);
if (wxApp::GetTopWindow() == NULL) //if no windows are shown, program won't exit automatically
ExitMainLoop();
break;
case xmlAccess::XML_GLOBAL_SETTINGS:
case xmlAccess::XML_REAL_CONFIG:
case xmlAccess::XML_OTHER:
wxMessageBox(wxString(_("The file does not contain a valid configuration:")) + wxT(" \"") + cfgFilename + wxT("\""), _("Error"), wxOK | wxICON_ERROR);
break;
}
}
else //start in GUI mode (standard)
runGuiMode(wxEmptyString, globalSettings);
}
bool Application::OnExceptionInMainLoop()
{
throw; //just re-throw exception and avoid display of additional exception messagebox: it will be caught in OnRun()
}
int Application::OnRun()
{
try
{
wxApp::OnRun();
}
catch (const RuntimeException& e) //catch runtime errors during main event loop; wxApp::OnUnhandledException could be used alternatively
{
//unfortunately it's not always possible to display a message box in this erroneous situation, however (non-stream) file output always works!
wxFile safeOutput(FreeFileSync::getLastErrorTxtFile(), wxFile::write);
safeOutput.Write(e.show());
wxMessageBox(e.show(), _("An exception occured!"), wxOK | wxICON_ERROR);
return -8;
}
catch (const std::exception& e) //catch all STL exceptions
{
//unfortunately it's not always possible to display a message box in this erroneous situation, however (non-stream) file output always works!
wxFile safeOutput(FreeFileSync::getLastErrorTxtFile(), wxFile::write);
safeOutput.Write(wxString::From8BitData(e.what()));
wxMessageBox(wxString::From8BitData(e.what()), _("An exception occured!"), wxOK | wxICON_ERROR);
return -9;
}
return returnValue;
}
int Application::OnExit()
{
//get program language
globalSettings.programLanguage = CustomLocale::getInstance().getLanguage();
try //save global settings to XML
{
xmlAccess::writeGlobalSettings(globalSettings);
}
catch (const xmlAccess::XmlError& error)
{
wxMessageBox(error.show(), _("Error"), wxOK | wxICON_ERROR);
}
return 0;
}
void Application::runGuiMode(const wxString& cfgFileName, xmlAccess::XmlGlobalSettings& settings)
{
MainDialog* frame = new MainDialog(NULL, cfgFileName, settings);
frame->SetIcon(*GlobalResources::getInstance().programIcon); //set application icon
frame->Show();
}
void Application::runBatchMode(const wxString& filename, xmlAccess::XmlGlobalSettings& globSettings)
{
//load XML settings
xmlAccess::XmlBatchConfig batchCfg; //structure to receive gui settings
try
{
xmlAccess::readBatchConfig(filename, batchCfg);
}
catch (const xmlAccess::XmlError& error)
{
wxMessageBox(error.show(), _("Error"), wxOK | wxICON_ERROR);
return;
}
//all settings have been read successfully...
//regular check for program updates
if (!batchCfg.silent)
FreeFileSync::checkForUpdatePeriodically(globSettings.lastUpdateCheck);
try //begin of synchronization process (all in one try-catch block)
{
//class handling status updates and error messages
std::auto_ptr<BatchStatusHandler> statusHandler; //delete object automatically
if (batchCfg.silent)
statusHandler = std::auto_ptr<BatchStatusHandler>(new BatchStatusHandlerSilent(batchCfg.handleError, batchCfg.logFileDirectory, returnValue));
else
statusHandler = std::auto_ptr<BatchStatusHandler>(new BatchStatusHandlerGui(batchCfg.handleError, returnValue));
//PREPARE FILTER
std::auto_ptr<FreeFileSync::FilterProcess> filterInstance(NULL);
if (batchCfg.mainCfg.filterIsActive)
filterInstance.reset(new FreeFileSync::FilterProcess(batchCfg.mainCfg.includeFilter, batchCfg.mainCfg.excludeFilter));
//COMPARE DIRECTORIES
FreeFileSync::FolderComparison folderCmp;
FreeFileSync::CompareProcess comparison(globSettings.traverseDirectorySymlinks,
globSettings.fileTimeTolerance,
globSettings.ignoreOneHourDiff,
globSettings.warnings,
filterInstance.get(),
statusHandler.get());
comparison.startCompareProcess(batchCfg.directoryPairs,
batchCfg.mainCfg.compareVar,
batchCfg.mainCfg.syncConfiguration,
folderCmp);
//check if there are files/folders to be sync'ed at all
if (!synchronizationNeeded(folderCmp))
{
statusHandler->addFinalInfo(_("Nothing to synchronize according to configuration!")); //inform about this special case
return;
}
//START SYNCHRONIZATION
FreeFileSync::SyncProcess synchronization(
batchCfg.mainCfg.handleDeletion,
batchCfg.mainCfg.customDeletionDirectory,
globSettings.copyFileSymlinks,
globSettings.traverseDirectorySymlinks,
globSettings.warnings,
statusHandler.get());
synchronization.startSynchronizationProcess(folderCmp);
}
catch (FreeFileSync::AbortThisProcess&) //exit used by statusHandler
{
if (returnValue >= 0)
returnValue = -12;
return;
}
}
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