FWD » Core Development » User Interface

03/28/2014

01:50 PM Feature #1811: implement the AJAX client driver

This archive contains my later changes for interactive process implementation.
It is not the final release is only a... Marius Gligor

03/27/2014

05:12 PM Feature #1811: implement the AJAX client driver

Code Review 0326a - Part 2
I have finished going through all the code. It is really impressive.
4. It seems ... Greg Shah

02:43 PM Feature #2252: implement GUI client support

This is an interesting comment in the Colors and Fonts chapter of the Programming Interfaces book:
> In Windows, t... Greg Shah

11:00 AM Feature #2252: implement GUI client support

> Do you mean font names or ordinals? If ordinals, see below.
I mean both, really.
I understand that the configurat... Greg Shah

03/26/2014

06:25 PM Feature #2252: implement GUI client support

Greg Shah wrote:
> * How does the 4GL determine the list of fonts that are available?
Do you mean font names or ord... Constantin Asofiei

05:19 PM Feature #1811: implement the AJAX client driver

Code Review 0326a - Part 1
I am splitting this into multiple parts because I don't have time to finish the entire ... Greg Shah

03:55 PM Feature #1811: implement the AJAX client driver

Please document how interactive child process support works on Windows (in the 4GL). When you are running a ChUI 4GL... Greg Shah

02:29 PM Feature #1811: implement the AJAX client driver

I implemented the interactive process for Swing ChUI client.
When a Linux OS command is executed from the converted ... Marius Gligor

02:34 PM Feature #2162: add support for CURRENT-ITERATION attribute (for widget objects)

Vadim Gindin wrote:
> # Yes, Constantin. I really skipped this case. In your example @dynamicDown=0@ indeed. The pro... Constantin Asofiei

02:10 PM Feature #2162: add support for CURRENT-ITERATION attribute (for widget objects)

Vadim Gindin wrote:
> I forgot to add, that your short test case shows the problem @dynamicDown=0@ in another aspect... Constantin Asofiei

03/25/2014

06:08 PM Feature #2162: add support for CURRENT-ITERATION attribute (for widget objects)

I forgot to add, that your short test case shows the problem @dynamicDown=0@ in another aspect. This wrong behavior l... Vadim Gindin

02:47 PM Feature #2162: add support for CURRENT-ITERATION attribute (for widget objects)

# Yes, Constantin. I really skipped this case. In your example @dynamicDown=0@ indeed. The problem appears when @disp... Vadim Gindin

04:47 AM Feature #2162: add support for CURRENT-ITERATION attribute (for widget objects)

Vadim, about 0324a.zip: @GenericFrame@ and other files don't have the proper history number (is the same as the previ... Constantin Asofiei

04:10 PM Feature #1811: implement the AJAX client driver

> I'm struggle to understand the current implementation on interactive process for native ChUI client.
We don't n... Greg Shah

06:02 AM Feature #1811: implement the AJAX client driver

Add code to synchronize with child process exit. Marius Gligor

03/24/2014

07:04 PM Feature #2162: add support for CURRENT-ITERATION attribute (for widget objects)

Constantin Asofiei wrote:
> ..
> # check the shared frame cases: I suspect the current-iteration will be inherited ... Vadim Gindin

05:53 PM Feature #2162: add support for CURRENT-ITERATION attribute (for widget objects)

I've fixed almost all your remarks. Here are to moments:
# GenericFrame imports couldn't become simpler because of p... Vadim Gindin

09:15 AM Feature #2162: add support for CURRENT-ITERATION attribute (for widget objects)

Vadim, good work getting the algorithms implemented. See bellow for the code review for 0322a.zip and the next steps... Constantin Asofiei

03:24 PM Feature #2252: implement GUI client support

Some initial thoughts based on reviewing basic 4GL GUI examples:
1. Fonts
* By default the GUI uses the Windows... Greg Shah

02:58 PM Feature #2252: implement GUI client support

The following is some early planning that was done (at my request) by Sergey Yevtushenko in 2011:
> -------- Origi... Greg Shah

02:53 PM Feature #2252: implement GUI client support

Upon additional consideration of our implementation approaches in note 2, I think it makes the most sense to implemen... Greg Shah

02:44 PM Feature #2252: implement GUI client support

We will be implementing configurable control over all fonts, colors and other standard GUI configuration via our dire... Greg Shah

02:39 PM Feature #2252: implement GUI client support

Greg Shah wrote:
> We will NOT be implementing using a native control approach. This means we will not support the ... Constantin Asofiei

02:32 PM Feature #2252: implement GUI client support

> I couldn't find a way to make the created windows modal. So, this allows multiple windows to be active, with all th... Greg Shah

02:30 PM Feature #2252: implement GUI client support

It is my understanding that all Progress GUI widgets have a backing native Windows control as the implementation. Th... Greg Shah

01:53 PM Feature #2252: implement GUI client support

Some initial findings about how 4GL implements the GUI interfaces:
# the @MESSAGE ... VIEW-AS ALERT-BOX@ statements ... Constantin Asofiei

02:23 PM Feature #2264 (Closed): analyze how the GUI interface is implemented in 4GL

Constantin Asofiei

01:21 PM Feature #1811: implement the AJAX client driver

I fixed a minor bug when using colors.
We have to add 1 to FG and BG because according to the current P2J implement... Marius Gligor

12:33 PM Feature #1811: implement the AJAX client driver

Here is the RC (release candidate) of VT-100 emulator. It is an implementation of DEC VT 100 video terminal specifica... Marius Gligor

03/22/2014

05:53 PM Feature #2162: add support for CURRENT-ITERATION attribute (for widget objects)

Well It happens! I finished the implementation. At this moment all steps are supported. This implementation passed al... Vadim Gindin

03/19/2014

06:46 PM Feature #2162: add support for CURRENT-ITERATION attribute (for widget objects)

You are right. I made needed corrections and now it works for case "-1". At this moment I'm fixing another border cas... Vadim Gindin

03/18/2014

12:51 PM Feature #2162: add support for CURRENT-ITERATION attribute (for widget objects)

OK, I guess this test tries to predict which field-group will be next, after a UP/DOWN call? I think your problem is ... Constantin Asofiei

12:20 PM Feature #2162: add support for CURRENT-ITERATION attribute (for widget objects)

Constantin Asofiei wrote:
> ..
> I need the exact setup of the bp_mixedupdow1.p used to capture the intermediate sc... Vadim Gindin

05:10 AM Feature #2162: add support for CURRENT-ITERATION attribute (for widget objects)

Vadim, when posting test scenarios, please make sure the bzr test is setup exactly the same way you used to produce t... Constantin Asofiei

03/17/2014

02:25 PM Feature #1811: implement the AJAX client driver

OK, go ahead and write our own vt100 emulation layer, from scratch. Of course, it is OK to look at the other project... Greg Shah

02:16 PM Feature #1811: implement the AJAX client driver

I didn't found any native library that could be used in our P2J interactive client.
Each application which need a te... Marius Gligor

11:11 AM Feature #1811: implement the AJAX client driver

1. I don't know I have to check if such libraries exists.
2. Screen is writen in C and YES he provide also a VT 10... Marius Gligor

10:37 AM Feature #1811: implement the AJAX client driver

> The VT 100 emulator could be designed by getting some code from JCTerm project and adapt to our needs.
> Also we c... Greg Shah

09:52 AM Feature #1811: implement the AJAX client driver

The attached examples are form projects which implements SSH standalone clients.
Those projects use the same inter... Marius Gligor

03/16/2014

11:53 AM Feature #1811: implement the AJAX client driver

> None of the existing Java VT 100 emulators can be used as they are.
Please provide more details.
* What are... Greg Shah

03/14/2014

04:26 PM Feature #1811: implement the AJAX client driver

None of the existing Java VT 100 emulators can be used as they are.
We have to create a derivative work if license a... Marius Gligor

01:58 PM Feature #1811: implement the AJAX client driver

A couple of quick points:
> The VT 100 terminal emulator should be a Java implementation. Searching on Internet I ... Greg Shah

12:23 PM Feature #1811: implement the AJAX client driver

1. The interactive client on Linux/Unix could be implemented using a pseudo terminal.
A pseudo terminal (PTY) is ass... Marius Gligor

03/13/2014

06:12 PM Feature #2162: add support for CURRENT-ITERATION attribute (for widget objects)

Next update works for almost all up/down cases including different step sizes (not only 1). Here are two remained unc... Vadim Gindin

10:57 AM Feature #2247 (WIP): interactive child process support

Marius Gligor

10:56 AM Feature #1811: implement the AJAX client driver

0312c.zip Integrate spawn.c changes into winspawn.c ref. #2243
Passed regression tests. Committed revision 10492. Marius Gligor

03/12/2014

02:19 PM Feature #1811: implement the AJAX client driver

OK, then go ahead and get this runtime regression tested. Greg Shah

02:06 PM Feature #1811: implement the AJAX client driver

No. I have no other changes to do. Marius Gligor

01:18 PM Feature #1811: implement the AJAX client driver

Code Review 0312c
I'm fine with the code.
Is there anything left to do for #2243? Greg Shah

12:04 PM Feature #1811: implement the AJAX client driver

The encryption use is now optional. By default no encryption is used just clear-text.
In order to use encryption a c... Marius Gligor

10:09 AM Feature #1811: implement the AJAX client driver

I like the idea.
Some issues:
# We can't use encryption keys that are hard coded in our source code. We provide... Greg Shah

09:13 AM Feature #1811: implement the AJAX client driver

Here is my implementation for password encryption.
For Windows OS we have to keep the systemPassword in clear-text i... Marius Gligor

09:08 AM Feature #1811: implement the AJAX client driver

Code Review 0312a
The code looks fine. What is left to do with this task? Greg Shah

09:03 AM Feature #1811: implement the AJAX client driver

Normally, I would absolutely want to do this.
Can the encoding be easily reversed? It seems like it must be rever... Greg Shah

08:52 AM Feature #1811: implement the AJAX client driver

Today I designed and tested a simple algorithm in C code to encode/decode the password on Windows OS.
I think that i... Marius Gligor

08:48 AM Feature #1811: implement the AJAX client driver

> Since the redirection of STDOUT or STDIN for chui_native clients make no sense I think that is better to keep the o... Greg Shah

03:24 AM Feature #1811: implement the AJAX client driver

1. The code inside terminal_win.c is the native implementation of chui_native screen driver for Windows OS using cons... Marius Gligor

03/11/2014

04:10 PM Feature #1811: implement the AJAX client driver

Code Review 0311b
The code changes make sense.
My only questions are in regard to the terminal_win.c change:
... Greg Shah

12:57 PM Feature #1811: implement the AJAX client driver

I found the problem. I fixed my bug and now it works properly. What was missing is the last argument client:driver:ba... Marius Gligor

12:10 PM Feature #1811: implement the AJAX client driver

The STDOUT redirection is implemented for Windows OS at high level but not at low level.
So my changes in terminal_w... Marius Gligor

11:18 AM Feature #1811: implement the AJAX client driver

> the redirection of STDOUT is not yet implemented in screen drivers code for Windows OS.
> Maybe I should check the... Greg Shah

11:14 AM Feature #1811: implement the AJAX client driver

OK. I understood. Is about appserver agents running in batch mode. The appserver agents implementation is to spawn cl... Marius Gligor

11:02 AM Feature #1811: implement the AJAX client driver

There is no batch mode for the ServerDriver because there is no concept of a real server in the 4GL. All 4GL session... Greg Shah

10:45 AM Feature #1811: implement the AJAX client driver

> 1. I'm using a command like: com.goldencode.p2j.main.ServerDriver -b p2j_proc
> This is not a batch mode?
Until... Eugenie Lyzenko

10:34 AM Feature #1811: implement the AJAX client driver

Some time ago I worked to implements the STDOUT redirection in spawn.c for Linux/Unix OS (see note 434).
Now I'm wor... Marius Gligor

10:09 AM Feature #1811: implement the AJAX client driver

1. I'm using a command like: com.goldencode.p2j.main.ServerDriver -b p2j_proc
This is not a batch mode?
2. The re... Marius Gligor

08:43 AM Feature #1811: implement the AJAX client driver

> It is my understanding that batch most is mostly implemented for Windows. I think an exception is the support for m... Eugenie Lyzenko

08:20 AM Feature #1811: implement the AJAX client driver

It is my understanding that batch most *is* mostly implemented for Windows. I think an exception is the support for ... Greg Shah

05:18 AM Feature #1811: implement the AJAX client driver

On console initialization STDIN and STDOUT are checked for redirection.
If STDOUT is redirected the redirected handl... Marius Gligor

03/10/2014

12:58 PM Feature #1811: implement the AJAX client driver

Regarding to STDOUT redirection in terminal_win.c it seems that we have to do more changes here.
On init console we ... Marius Gligor

12:10 PM Feature #1811: implement the AJAX client driver

Here are the winspawn.c changes that I did in order to integrate the code from Linux spawn.c version.

1. In order... Marius Gligor

03/07/2014

08:34 AM Bug #2244 (Closed): web client performance

Greg Shah

04:10 AM Feature #1811: implement the AJAX client driver

ChUI web client improvements ref. #2244
Passed regression tests. Committed revision 10487.
Marius Gligor

03/06/2014

11:38 AM Feature #1811: implement the AJAX client driver

Greg Shah wrote:
> I guess we will have to store the OS password for such accounts in our directory.
This can work,... Constantin Asofiei

11:18 AM Feature #1811: implement the AJAX client driver

Constantin: How does the 4GL handle this for appserver launching? Does it always assume everything runs in the same ... Greg Shah

11:15 AM Feature #1811: implement the AJAX client driver

> We must provide both user name and password. Without credentials we can create processes only for the account on wh... Greg Shah

10:48 AM Feature #1811: implement the AJAX client driver

OK. I started the regression tests on devsrv01.
Regarding #2243 if I understood better we could encounter a problem.... Marius Gligor

10:30 AM Feature #1811: implement the AJAX client driver

I'm fine with the code in 0306a. Go ahead with runtime regression testing.
This should close off #2244, right?
... Greg Shah

08:48 AM Feature #1811: implement the AJAX client driver

Here are the changes after your last code review.
In the mean time I prepared the testing environment by doing a co... Marius Gligor

10:38 AM Bug #2244 (Review): web client performance

Marius Gligor

06:23 AM Feature #2162: add support for CURRENT-ITERATION attribute (for widget objects)

Here is the next update that works some way. Vadim Gindin

03/05/2014

04:46 PM Feature #2252: implement GUI client support

The client will need significant changes to implement GUI support.
One important change that is necessary is to ... Greg Shah

03:02 PM Feature #2252: implement GUI client support

This task is meant to be the parent task for the GUI implementation. Please place task history here instead of in th... Greg Shah

03:01 PM Feature #2252 (Closed): implement GUI client support

Greg Shah

04:14 PM Feature #2255: replace non-UI code that has direct dependencies on the UI with dependence on an a...

Provide an abstract interface for UI services used by code in p2j/util/ et al. For example, the TransactionManager, ... Greg Shah

03:36 PM Feature #2255 (New): replace non-UI code that has direct dependencies on the UI with dependence o...

Greg Shah

04:12 PM Feature #2253: eliminate listener/event model

From a conversation between SIY and GES on November 15, 2010:
> Although I agree with the goal, I must admit that ... Greg Shah

03:27 PM Feature #2253: eliminate listener/event model

The original ChUI support was written using CHARVA. CHARVA provided a library of widgets and UI functionality mapped... Greg Shah

03:19 PM Feature #2253 (New): eliminate listener/event model

Greg Shah

03:34 PM Feature #2254: eliminate the logic in the Config* classes and make them simple containers with pu...

The current approach of having a parallel set of Config classes for each widget type is overcomplicated. In particul... Greg Shah

03:28 PM Feature #2254 (Closed): eliminate the logic in the Config* classes and make them simple container...

Greg Shah

01:23 PM Feature #1811: implement the AJAX client driver

If your testing is not showing any noticeable performance differences between Majic in the browser and Majic in the t... Greg Shah

01:20 PM Feature #1811: implement the AJAX client driver

Code Review 0305b
1. In ChuiWebPageHandler, please use @*@ for imports.
2. Please remove the reference to "Maji... Greg Shah

12:56 PM Feature #1811: implement the AJAX client driver

1. Done. HtmlResourceHandler the base class of ChuiWebPageHandler is used to load other pages like the admin page whi... Marius Gligor

09:16 AM Feature #1811: implement the AJAX client driver

> a) Supposing that client is authenticated and the application is loaded and running into the iframe.
> When the us... Greg Shah

09:06 AM Feature #1811: implement the AJAX client driver

Code Review 0305a
1. In @HtmlResourceHandler@, in what case will @isAuthorized()@ find that @authorizationToken@ i... Greg Shah

07:15 AM Feature #1811: implement the AJAX client driver

1. I found and fixed the issue related to Majic login plug-in.
When Majic plug-in run within ThinClient using system... Marius Gligor

03/04/2014

11:02 AM Feature #1811: implement the AJAX client driver

> Also is possible to open a new window (pop-up) to load the page from server C.
Please avoid pop-ups. Just make ... Greg Shah

10:58 AM Feature #1811: implement the AJAX client driver

> What's strange is that happen only when the p2j Majic plug-in refresh. After Majic login everything works fine.
> ... Greg Shah

10:37 AM Feature #1811: implement the AJAX client driver

1. Today I did many tests and investigations regarding the "Refresh" button on web browser so far unfortunately witho... Marius Gligor

03/03/2014

06:15 PM Feature #1811: implement the AJAX client driver

Code Review 0303a
1. About the authorization approach:
I agree, we cannot reuse the spawn UUID. As I noted in ... Greg Shah

01:19 PM Feature #1811: implement the AJAX client driver

Marius Gligor wrote:
> A SHA message digest is generated from the random UUID and used as an authorization token.
... Constantin Asofiei

11:51 AM Feature #1811: implement the AJAX client driver

1. During this weekend I did a lot of tests on Linux and Windows OS. Defining clip rectangles when drawing text lines... Marius Gligor

02:24 AM Feature #1811: implement the AJAX client driver

Marius, the changes in 0228b.zip look good to me. Greg: please take a look too. Constantin Asofiei

02/28/2014

01:10 PM Feature #1811: implement the AJAX client driver

Just a minor change. Use \u2501 (-) character to measure the width of a cell.
Character \u2501 should be the largest... Marius Gligor

11:16 AM Feature #1811: implement the AJAX client driver

Here are my last cahanges after Majic tests on devsrv01.
- I added character \u2502 (|) to measure the height of ... Marius Gligor

02/27/2014

10:15 AM Feature #1811: implement the AJAX client driver

Implements STDOUT and STDERR redirection for spawner Ref. #2124
Passed regression tests. Committed to revision 10483
Marius Gligor

09:02 AM Feature #1811: implement the AJAX client driver

Implements rectangle detection on screen cells that should be update on JS code.
With a few extra computation in Jav... Marius Gligor

07:25 AM Feature #1811: implement the AJAX client driver

Marius Gligor wrote:
> Please do some tests using this changes and let me know your results.
I'm using Firefox 26.0... Constantin Asofiei

08:22 AM Feature #2162: add support for CURRENT-ITERATION attribute (for widget objects)

Vadim:
# there is no @IterableResource@ file in the update
# @CommonFrame@: as is extending @IterableResource@, the... Constantin Asofiei