Problems to regain the QML C++ enum; JS is undefined instead of an int.

I followed the path of BB to regain the enums in C++ QML discussed here:

http://supportforums.BlackBerry.com/T5/native-development/HOWTO-C-enum-in-QML/m-p/2345641#M21139

However I'm getting back the value JS "undefined" of my logic of C++ biz instead of what I want (i.e., an integer that corresponds to my enum type).

The scenario is that I want to restore the data from the application of a backup and do a lot of validation of each step of the restore if something goes wrong, I can post a dialogue of restoration has failed no credits that could help the user recover.

I have a class enum setting as follows:

#ifndef RESTOREFAILURETYPE_HPP_
#define RESTOREFAILURETYPE_HPP_

#include 

class RestoreFailureType: public QObject
{

    Q_OBJECT
    Q_ENUMS(Type)

public:

    enum Type {
        Success = 0,
        JSONReadFail = 1,
        UndoFileRemoveFail = 2,
        CopyToUndoFail = 3,
        DestFileRemoveFail = 4,
        CopyBackupFileFail = 5,
        ValidateSchemaFail = 6
    };

    RestoreFailureType();  // Empty constructor defined in .cpp file
    virtual ~RestoreFailureType(); // Empty destructor defined in .cpp file
};

#endif /* RESTOREFAILURETYPE_HPP_ */

I save this class as an increables type in my app delegate:

qmlRegisterUncreatableType("myApp.restoreFailureType", 1, 0, "RestoreFailureType", "RestoreFailureType provides enum values.  It cannot be instantiated.");

I have a DataManager class that takes care of managing the operations of store, backup, restore, etc CRUD/user support, with what restoration function:

In DataManager.hpp:

Q_INVOKABLE RestoreFailureType::Type restoreFromBackup(QString backupFileName, int selectedIdForUndo);

in DataManager.cpp (here I show a fake draft. Since not even that much is still working, the rest of the logic of biz is not relevant to this discussion:

RestoreFailureType::Type DataManager::restoreFromBackup(QString backupFileName, int selectedIdForUndo) {
    return RestoreFailureType::Success;
}

And in my QML UI layer, I import the type:

import myApp.restoreFailureType 1.0

And a FilePicker component supports passing the name of the backup file to the DataManager. The FilePicker and his onFileSelected() slot:

      FilePicker {
            id: backupRestoreFilePicker
            type: FileType.Other
            allowOverwrite: true
            directories : ["/accounts/1000/shared/documents/MyApp"]
            viewMode: FilePickerViewMode.ListView
            onFileSelected: {
                if (mode == FilePickerMode.Saver) {
                    // Save mode stuff for doing backups
                } else if (mode == FilePickerMode.Picker) {
                    var restoreResult =  _dataManager.restoreFromBackup(selectedFiles, _appSettings.selectedId);
                }
            }
        }

I tried to remove the code down for everything that is relevant to this question.

When I put a breakpoint on the line where the var restoreResult JS is defined:

var restoreResult =  _dataManager.restoreFromBackup(selectedFiles, _appSettings.selectedId);

and step, restoreResult, var JS becomes the value "indefinite". From what I read in the thread mentioned above, restoreResult is supposed to get a whole number (in this case he should get zero method justiciable restoreFromBackup how I generated), that I can then compare to imported enum type. I should be able to compare the return value of restoreFromBackup to see if it is equal to one of:

RestoreFailureType.Success

// or:

RestoreFailureType.JSONReadFail

// or:

RestoreFailureType.UndoFileRemoveFail

// or:

RestoreFailureType.CopyToUndoFail

// etc...

I think others have got it working, and miss me him probably just a few details. A lot of satisfaction to anyone who can identify the error/omission or even give a good lead. In addition, comments are welcome on if I'm trying to manage this scenario in a recommended manner. My intention is to use the listed failure code to customize a SystemDialog message that may help the user recover from a restore operation has failed. The restore file might have been corrupted in a way that is not analyzable JSON, or the user could have selected a file that isn't even a backup file created by my application, or they could have revoked authorization, or JSON can be analyzable, but the user could not resist the temptation to manually change the values in their backup file etc.

Hmm,

Sometimes all you have to do is to talk, even if you speak to yourself.

I changed my function DataManager to return my type listed as int instead of as the enum, and I don't have the correct integers in QML, anything can still be compared using the enumerated type. So:

Q_INVOKABLE RestoreFailureType::Type restoreFromBackup(QString backupFileName, int selectedIdForUndo);

becomes

Q_INVOKABLE int restoreFromBackup(QString backupFileName, int selectedIdForUndo);

and

RestoreFailureType::Type DataManager::restoreFromBackup(QString backupFileName, int selectedIdForUndo) {
    return RestoreFailureType::Success;
}

becomes

int DataManager::restoreFromBackup(QString backupFileName, int selectedIdForUndo) {
    return RestoreFailureType::Success;
}

and I can do now:

var restoreResult =  _dataManager.restoreFromBackup(selectedFiles, _appSettings.selectedId);if(restoreResult == RestoreFailureType.Success) { // Do success stuff} elseif(restoreResult == RestoreFailureType.JSONReadFail { // Do JSON read fail stuff} else...

This isn't quite how it was recommended in the thread, I mentioned in the previous post... but it seems to work for what I need.

Tags: BlackBerry Developers

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------------------------------------------------------------------------------------------------------------------------

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\BITS]
'DisplayName"="@%SystemRoot%\\system32\\qmgr.dll,-1000 '.
"ImagePath" = hex (2): 25, 00, 53, 00, 79, 00, 73, 00, 74, 00, 65, 00, 6 d, 00, 52, 00, 6f, 00, 6f, 00,------.
74,00,25,00, 5 C, 00, 53, 00, 79, 00, 73, 00, 74, 00, 65, 00, 6 D, 00, 33, 00, 32, 00, 5 C, 00, 73,------.
00,76,00,63,00,68,00, 6f, 00, 73, 00, 74, 00, 2nd, 00, 65, 00, 78, 00, 65, 00, 20, 00, 2d, 00,------.
6 b, 20, 00, 00, 6F, 00, 65, 00, 74, 00, 73, 00, 76, 00, 63, 00, 73, 00, 00, 00
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6th, 00, 74, 00, 53, 00, 79, 00, 73, 00, 74, 00, 65, 00, 6 d, 00, 00, 00, 00, 00
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67,00,65,00,00,00,53,00,65,00,49,00, 6 d, 00, 70, 00, 65, 00, 72, 00, 73, 00, 6f, 00, 6,.
00,61,00,74,00,65,00,50,00,72,00,69,00,76,00,69,00, 6 C, 00, 65, 00, 67, 00, 65, 00,------.
00,00,53,00,65,00,54,00,63,00,62,00,50,00,72,00,69,00,76,00,69,00, 6 C, 00, 65,.
00,67,00,65,00,00,00,53,00,65,00,41,00,73,00,73,00,69,00,67,00, 6F, 00, 50, 00,------.
72,00,69,00, 6 d, 00, 61, 00, 72, 00, 79, 00, 54, 00, 6f, 00, 6 b, 65, 00, 00, 6F, 00, 00, 50, 72,------.
00,69,00,76,00,69,00, 6 C, 00, 00, 65, 00, 67, 00, 65, 00, 00, 00, 53, 00, 65, 00, 49, 00, 6F,
63,00,72,00,65,00,61,00,73,00,65,00,51,00,75,00, 6f, 00, 74, 00, 61, 00, 50, 00, 72,------.
00,69,00,76,00,69,00 6 C 00, 65, 00, 67, 00, 65, 00, 00, 00, 00, 00
"FailureActions" = hex: 80, 51, 01, 00, 00, 00, 00, 00, 00, 00, 00, 00, 03, 00, 00, 00, 14, 00, 00,------.
00,01,00,00,00,60, EE, 00, 00, 01, 00, 00, 00, c0 d4, 01, 00, 00, 00, 00, 00, 00, 00, 00, 00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\BITS\Parameters]
"ServiceDll" = hex (2): 25, 00, 53, 00, 79, 00, 73, 00, 74, 00, 65, 00, 6 d, 00, 52, 00, 6f, 00, 6f,
00,74,00,25,00, 5 C, 00, 53, 00, 79, 00, 73, 00, 74, 00, 65, 00, 6 D, 00, 33, 00, 32, 00, 5 C, 00,------.
71.00, 6 d, 00, 00, 72, 67, 00, 2nd, 00, 64, 00, 6 c, 00, 6 c, 00, 00, 00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\BITS\Performance]
"Library"="bitsperf.dll."
"Open" = "PerfMon_Open."
"Collect"="PerfMon_Collect."
"Close" ="PerfMon_Close."
"InstallType" = DWORD: 00000001
"PerfIniFile"="bitsctrs.ini."
"First of all Counter" = dword:00000774
"Last Counter" = dword:00000784
"First aid" = dword:00000775
"Last Help" = dword:00000785
"Object list"="1908."
'PerfMMFileName '=' Global\\MMF_BITS_s. '

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\BITS\Security]
"Security" = hex: 01, 00, 14, 90, 90, 00, 00, 00, a0, 00, 00, 00, 14, 00, 00, 00, 34, 00, 00, 00, 02,------.
00,20,00,01,00,00,00,02, c0, 18, 00, 00, 00, 0c, 00, 01, 02, 00, 00, 00, 00, 00, 05, 20, 00,------.
00,00,20,02,00,00,02,00, 5 c, 00, 04, 00, 00, 00, 00, 02, 14, 00, ff, 01, 0f, 00, 01, 01, 00,------.
00,00,00,00,05,12,00,00,00,00,00,18,00, ff, 01, 0f, 00, 01, 02, 00, 00, 00, 00, 00, 05,------.
20,00,00,00,20,02,00,00,00,00,14,00, 8 d, 01, 02, 00, 01, 01, 00, 00, 00, 00, 00, 05, 04,
00,00,00,00,00,14,00, 8 d, 01, 02, 00, 01, 01, 00, 00, 00, 00, 00, 05, 06, 00, 00, 00, 01, 02,------.
00,00,00,00,00,05,20,00,00,00,20,02,00,00,01,02,00,00,00,00,00,05,20,00,00,------.
00,20,02,00,00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\BITS\Enum]
"0" = "Root\\LEGACY_BITS\\0000."
"Count" = DWORD: 00000001
"NextInstance" = DWORD: 00000001

----------------------------------------------------------------------------------------------------

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There was a problem connecting to the server 'SERVER NAME' error guard appearing even though the server is not on my current network. I recently moved my iMac to a different location and a different network, and now he constantly tries to connect to the old server. This message appears every 30 seconds and several of those who appear (see pictures) it's extremely frustrating because it makes the machine almost useless because I am constantly closing them. No matter how many times I try to stop the activity monitor it it keeps reappearing, and I even tried a few terminal commands that I found online, then restarted the computer, but still had no success. I would appreciate all the advice really.

I hope that gives you an idea of what I got!

I worked on a large document for several years and all of a sudden I can't scroll to the bottom of the screen with my two fingers on the touchpad, well that I have no problem scrolling to the bottom of this page to search for similar issues.

I worked on a large document for several years and all of a sudden I can't scroll to the bottom of the screen with my two fingers on the touchpad, well that I have no problem scrolling to the bottom of this page to search for similar issues. I can navigate only to go up and down with the arrow keys.

What version of Pages is running on your MBP?

What version of Mac OS X is running on your MBP?

The MBP is not iOS running.

Problem of "Ask the update" of Firefox?

Hey, recently my firefox had a strange problem, when I click on help and "On Firefox" to see if I need to apply the updates I always see the button 'Apply update', naturally, I clicked it, Firefox resets but the button remains when I check again instead of saying "Firefox is updated", when I check the site of Firefox , it says my version is up to date, I have tried to uninstall firefox and put it back, even once, I tried to install firefox while having already installed, and the problem remains, however, if I run firefox as administrator, he said his day, is this a problem of update or I'm just being too paranoid?

Software update does not properly
- http://KB.mozillazine.org/Software_Update#Software_Update_not_working_properly
Check and tell if its working.

Check error: there was a problem connecting to the server Apple ID

When I try to connect to my iTunes on my Windows laptop account it is said there is a problem connecting to the Apple ID server. This problem did not begin until 2 days. I have the latest version of iTunes and Windows.

What is the number of the version of iTunes?

For general advice, see troubleshooting problems with iTunes for Windows updates.

Start by missing error MSI.

The steps described in the second case are a guide to remove everything related to iTunes and then rebuild what is often a good starting point, unless the symptoms indicate a more specific approach.

Review the other boxes and other support documents list to the bottom of the page, in case one of them applies.

More information area has direct links with the current and recent buildings if you have problems to download, must revert to an older version or want to try the version of iTunes for Windows (64-bit-for old video cards) as a workaround for problems with installation or operation, or compatibility with QuickTime software or a third party.

Backups of your library and device should be affected by these measures but there are links to backup and recovery advice there.

Leave a post by: turingtest2

On the PC, when connecting each device, it loads a separate driver. You can try this trick when you want to get iTunes recognizes the iPhone 6. Thanks to the user of the CSA turingtest2 for the tip.

Try the following:

Open Control Panel > Device Manager

Plug in your device

Locate Bus USB Controllers > Apple Mobile Device USB Driver.
It is also possible that the device may appear under imaging devices, portable devices or other devices or as a device USB of MTB.

Right-click and select software update of the driver...

Click Browse my computer for driver software

Go to C:\Program Files\Common Apple Mobile Device Support\Drivers or
C:\Program Files (x 86) \Common Files\Apple\Mobile Device Support\Drivers

Click on let me pick from a list of drivers for devices on my computer

Click on Apple Mobile Device USB Driver

Click Next, then close and exit the Device Manager

Leave a post by: ChrisJ4203

Problems to regain the QML C++ enum; JS is undefined instead of an int.

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