C++ BEntry::MoveTo方法代码示例

void ViewFileList::MessageReceived(BMessage *e) {
  switch (e->what) {
    case B_MOUSE_WHEEL_CHANGED: Window()->PostMessage(e); break;
    case B_SIMPLE_DATA:  {
             if (e->FindString("source") != NULL) 
                if (strcmp(e->FindString("source"),"Peek")==0 ) break;
             // moving or copying? hmm..
             status_t stattoo;
             entry_ref dropped;
             bool overwriteAll = false;
             BEntry *heyMan;
             char path[B_PATH_NAME_LENGTH];
             setup->CurrentPath(path);
             BDirectory *heyDude = new BDirectory( path );
             int32 i = 0;
             while (e->FindRef("refs",i++,&dropped) == B_OK) {

               heyMan = new BEntry(&dropped);
               stattoo = heyMan->MoveTo(heyDude, NULL, overwriteAll);
               if (stattoo == B_FILE_EXISTS) {       // exists => overwrite?
                 char overwrite[255];
                 strcpy(overwrite,dropped.name);
                 strcat(overwrite,words->Return(L_REPLACE_FILE));
                 stattoo = B_OK;
                 int32 ok = ((new BAlert("overWrite",overwrite,words->Return(L_YES_TO_ALL),words->Return(L_YES),words->Return(L_NO)))->Go());
                 if (ok == 0) { overwriteAll = true; ok = 1;}
                 if (ok == 1) {
                               stattoo = heyMan->MoveTo(heyDude, NULL, true);
                              }
               }
               if (stattoo != B_OK) {        // some error!!!
                                       ((new BAlert("darnnit",words->Return(L_ERROR_COPYING),words->Return(L_OK)))->Go());
                                       delete heyMan;
                                       break;
                                     } 
               delete heyMan;                 // delete it.

             }
             delete heyDude;
             break;
           } 
    default: BListView::MessageReceived(e); break;
  }
}

/*!
	Installs the given entry in the target directory either by moving
	or copying the entry.
*/
status_t
DataTranslationsApplication::_Install(BDirectory& target, BEntry& entry)
{
	// Find out whether we need to copy it
	status_t status = entry.MoveTo(&target, NULL, true);
	if (status == B_OK)
		return B_OK;

	// we need to copy the file

	// TODO!
	return B_ERROR;
}

//.........这里部分代码省略.........
			entry_ref *fileref = FindItem();
			be_roster->Launch(fileref);
			break;
		}
		case MNU_LEFT_TRACKER_MSG:
		{
			BString sysstring;
			BEntry	direntry;
			BPath	dirpath;
			
			dir.GetEntry(&direntry);
			direntry.GetPath(&dirpath);
			
			sysstring << "/system/Tracker ";
			sysstring << dirpath.Path(); 
			
			//(new BAlert("Niue", sysstring.String(), "Ok", 0, 0, B_WIDTH_AS_USUAL, B_WARNING_ALERT))->Go();
			system(sysstring.String());
			break;
		}
		case MNU_LEFT_TRASH_MSG:
		{
			//(new BAlert("Niue", "trash it", "Ok", 0, 0, B_WIDTH_AS_USUAL, B_WARNING_ALERT))->Go();
			
			entry_ref *fileref = FindItem();
			BEntry	fileentry;
			BDirectory trashdir;
			BPath trashpath;
			find_directory(B_TRASH_DIRECTORY, &trashpath, false);
			
			fileentry.SetTo(fileref);
			trashdir.SetTo(trashpath.Path());
			
			fileentry.MoveTo(&trashdir, 0, true);
			break;
		}
		case MNU_LEFT_DUPLICATE_MSG:
		{
			BString duplistring;
			BEntry duplientry;
			BPath duplipath;
			entry_ref *fileref = FindItem();
			
			duplientry.SetTo(fileref);
			duplientry.GetPath(&duplipath);
			
			duplistring << "cp ";
			duplistring << duplipath.Path();
			duplistring << " ";
			duplistring << duplipath.Path();
			duplistring << "_copy";
			
			//(new BAlert("Niue", duplistring.String(), "Ok", 0, 0, B_WIDTH_AS_USUAL, B_WARNING_ALERT))->Go();
			system(duplistring.String());
			break;
		}
		case MNU_LEFT_INFO_MSG:
		{
			//get item, create vars
			entry_ref *fileref = FindItem();
			BEntry fileentry;
			fileentry.SetTo(fileref, true);

			//name
			char name[B_FILE_NAME_LENGTH];
			fileentry.GetName(name);

//.........这里部分代码省略.........
	//setup a temp file to store the modified og msg
	std::stringstream epochsecs;
	epochsecs << real_time_clock(); //secs now since unix epoch
	int filenamecounterInt=0; //will be incremented until we get a unique filename string
	bool nonuniquefilename=true;
	BEntry tempFileBEntry;
	std::string tempFilePath;
	BFile* tempFileBFile = new BFile();
	do
	{
		filenamecounterInt++;
		std::stringstream filenamecounter;
		filenamecounter << filenamecounterInt;
		tempFilePath=fApp->GetTempDirPath()+fListICAddress+"--"+epochsecs.str()+filenamecounter.str();
		//test if tempFilePath already exists
		tempFileBEntry.SetTo(tempFilePath.c_str());
		status_t tempFileResult=tempFileBFile->SetTo(&tempFileBEntry,B_READ_WRITE|B_FAIL_IF_EXISTS|B_CREATE_FILE); //fails if already exists
		if (tempFileResult==B_FILE_EXISTS)
		{
			nonuniquefilename=true;	
		}
		else if (tempFileResult==B_NO_ERROR)
		{
			nonuniquefilename=false;
			
		}
		else
		{
			//error
			LogError("ERROR: Could not create temp file to store outgoing email");
			return false;
		}
		
	}while(nonuniquefilename);

	//Write modified msg into temp file

	ICMail->WriteToFile(tempFileBFile);



	//store senders addr so we can log it later
	std::string sender="";
	//Send out modified msg in temp file to all recipients
	for (int x=0; x< recipients.size(); x++)
	{
		std::string recipient=recipients[x];
		
		BEmailMessage* ogmail;
		ogmail= new BEmailMessage(tempFileBFile);
    	ogmail->SetTo(recipient.c_str());
    	sender=std::string(ogmail->From());
    	//1st version of send indicates whether to change the From: field to the specified account (requires modified mailkit)
		ogmail->SendViaAccountWithFromPreset(fListOGEnvelopeAddressFromAddress.c_str());
		//ogmail->SendViaAccount(fListOGEnvelopeAddressFromAddress.c_str());
		ogmail->Send(true);
		delete ogmail;
		
	}
	tempFileBFile->Unset(); //close file
	delete tempFileBFile; //delete obj
	//archive msg if needed
	bool archived=false;
	if (fArchivePath!="")
	{
			
			BDirectory dir;
			if ( dir.SetTo(fArchivePath.c_str()) !=B_OK )
			{
				LogError("ERROR: Could not archive message. Check archive folder exists and is writable");
			}
			else
			{
				if ( tempFileBEntry.MoveTo(&dir) !=B_NO_ERROR)
				{
					LogError("ERROR: Could not archive message. Check archive folder exists and is writable");
				}
				else
				{
					archived=true;	
				}
			}
			
	}
	if (archived==false)
	{
		//if archived  then the file was moved so we dont need to delete the original
		tempFileBEntry.Remove();//remove file from filesystem	
	}
	
	stringstream numRecipients;
	numRecipients << recipients.size();
	
	if ( (fLogSuccesses) && (recipients.size()>0)  )
	{
		//if we recipients.size() was 0 sender var is null str as its set in the distribution loop
		LogError("INFO: Successfully distributed an email to "+numRecipients.str()+" recipients from "+sender);
	}
	return true;
}