openflow-dev

Re: [Openflow-dev] OpenFlow 1.0 install

[Daniele T. <da...@in...>]

Ok,

it seems you have no CMF installed. It should not be necessary but the code
to fall-back on something different is screwed. You could do either of:

1) change line 16 in openflow.py from
    from CMFExpression import Expression
to
    from expression import Expression

or

2) download OpenFlow.1.0.1.tgz from http://www.openflow.it where this patch
has been integrated in the code.


Thanks for your help,

    Daniele =)



----- Original Message -----
From: "Andrew Ho" <ah...@su...>
To: <ope...@so...>
Sent: Tuesday, November 26, 2002 8:31 PM
Subject: [Openflow-dev] OpenFlow 1.0 install


> Hi,
>
> I just tried to install OpenFlow 1.0 without success (Traceback attached).
> It seems to be looking for the utils module but cannot find it. I am
> running Zope 2.5.1 (Debian 3.0 -unstable).
>
> Any suggestion for work-around/fix will be most appreciated.
>
> Thanks,
>
> Andrew
> ---
> Andrew P. Ho, M.D.
> OIO: Open Infrastructure for Outcomes
> www.TxOutcome.Org
>
> -----------------------------
> Import Traceback
>
> Traceback (most recent call last):
>   File "/usr/lib/zope/lib/python/OFS/Application.py", line 531, in
> import_product
>     product=__import__(pname, global_dict, global_dict, silly)
>   File "/usr/lib/zope/lib/python/Products/OpenFlow/__init__.py", line 1,
> in ?
>     from openflow import openflow, manage_addOpenflow,
> manage_addOpenflowForm
>   File "/usr/lib/zope/lib/python/Products/OpenFlow/openflow.py", line 16,
> in ?
>     from CMFExpression import Expression
>   File "/usr/lib/zope/lib/python/Products/OpenFlow/CMFExpression.py", line
> 23, in ?
>     from utils import getToolByName
> ImportError: No module named utils
>
>
>
>
>
>
>
> -------------------------------------------------------
> This SF.net email is sponsored by: Get the new Palm Tungsten T
> handheld. Power & Color in a compact size!
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[Openflow-dev] OpenFlow 1.0 install

[Andrew Ho <ah...@su...>]

Hi,

I just tried to install OpenFlow 1.0 without success (Traceback attached).
It seems to be looking for the utils module but cannot find it. I am
running Zope 2.5.1 (Debian 3.0 -unstable).

Any suggestion for work-around/fix will be most appreciated.

Thanks,

Andrew
---
Andrew P. Ho, M.D.
OIO: Open Infrastructure for Outcomes
www.TxOutcome.Org

-----------------------------
Import Traceback

Traceback (most recent call last):
  File "/usr/lib/zope/lib/python/OFS/Application.py", line 531, in
import_product
    product=__import__(pname, global_dict, global_dict, silly)
  File "/usr/lib/zope/lib/python/Products/OpenFlow/__init__.py", line 1,
in ?
    from openflow import openflow, manage_addOpenflow,
manage_addOpenflowForm
  File "/usr/lib/zope/lib/python/Products/OpenFlow/openflow.py", line 16,
in ?
    from CMFExpression import Expression
  File "/usr/lib/zope/lib/python/Products/OpenFlow/CMFExpression.py", line
23, in ?
    from utils import getToolByName
ImportError: No module named utils

[Openflow-dev] OpenFlow hits 1.0 - Application Wizard

[Daniele <d.t...@ic...>]

Icube is glad to announce the release of OpenFlow 1.0 and ApplicationWizard 
1.0.

OpenFlow 1.0 makes use of the ZCatalog for all its objects, uses TAL 
expression for condition evaluation.

Application Wizard allows for a straight-forward design of the most common 
operations for activity applications.

Find both products at OpenFlow official site: http://www.openflow.it

We'll be glad to have your feedback on these products and on the road to 
follow for future development for OpenFlow.


Daniele - Icube s.r.l

Re: [Openflow-dev] CMFOpenflow status?

[Vincenzo Di S. <dis...@in...>]

On Friday 22 November 2002 20:51, Michael Hauser wrote:
> I grabbed CMFOpenflow from the CMF Collective SourceForge CVS. The
> installer script doesn't work (CMFOpenflow/Extensions/Install.py). What
> is the status of CMFOpenflow? Does it work at all? Are there any docs?

Install.py doesn`t do anything usefull for the moment, you don`t need just to 
instantiate CMFOpenflow in your portal and it will works fine. We don`t have 
any specific docs but you can find some interesting examples in the examples 
folder, and you can refer http://www.reflab.it/CMFOpenflowTest for an online 
demo.
If you have any other problem, please don`t esitate to write me.
	Vincenzo.

Re: [Openflow-dev] CMFOpenflow status?

[Vincenzo Di S. <dis...@in...>]

On Friday 22 November 2002 20:51, Michael Hauser wrote:
> I grabbed CMFOpenflow from the CMF Collective SourceForge CVS. The
> installer script doesn't work (CMFOpenflow/Extensions/Install.py). What
> is the status of CMFOpenflow? Does it work at all? Are there any docs?

Install.py doesn`t do anything usefull for the moment, you don`t need just to 
instantiate CMFOpenflow in your portal and it will works fine. We don`t have 
any specific docs but you can find some interesting examples in the examples 
folder, and you can refer http://www.reflab.it/CMFOpenflowTest for an online 
demo.
If you have any other problem, please don`t esitate to write me.
	Vincenzo.

[Openflow-dev] CMFOpenflow status?

[Michael H. <ha...@na...>]

I grabbed CMFOpenflow from the CMF Collective SourceForge CVS. The
installer script doesn't work (CMFOpenflow/Extensions/Install.py). What
is the status of CMFOpenflow? Does it work at all? Are there any docs?
Thanks.
 
Michael Hauser
 

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[Openflow-dev] Status of OpenFLow i18n and integration into CMF

[Nicolas P. <nic...@ae...>]

Dear all,

I am *not* a technician, but a member of the Aswad project who would like=
 to=20
know, as precisely as possible please, in plain English, the current stat=
us=20
and prospects related to i18n of openflow, its integration into the CMF a=
nd=20
plone especially, as well as the forecoming integration of it in the Zope=
3=20
context.=20

I know this will be discussed in a sprint in December, but I think these =
info=20
could be useful for all of us (and me especially as I'll meet a prospet a=
t=20
the city of Brussels this Friday)

Thanks,=20

Nicolas

--=20
Nicolas Pettiaux
Association =E9lectronique libre pour la promotion des=20
droits de l'Homme dans la Soci=E9t=E9 de l'information (AEL) -
www.ael.be=20

Re: [Openflow-dev] New to OpenFlow - Looking for Documentation in English?

[Daniele T. <da...@in...>]

I'm afraid the document is Italian only. You might want to check out an
english introduction at

http://www.openflow.it/Documentation/documentation/OpenFlowIntroduction

It's even a bit more technical and specific.

Daniele =)


----- Original Message -----
From: "Jeff Martin" <mar...@ch...>
To: <ope...@li...>
Sent: Tuesday, November 19, 2002 5:11 AM
Subject: [Openflow-dev] New to OpenFlow - Looking for Documentation in
English?


> Hello,
> I am new to OpenFlow. But, not to workflow. I have been looking for
detailed
> documentation. I came across the Introduction to OpenFlow White Papers at
> this link
>
http://www.openflow.it/wwwopenflow/EN/Overview/Documentation/Files/Introduzi
> oneOpenFlow. Is this document available in English form?
> Thanks,
> Jeff
>

Re: [Openflow-dev] newbie zopeserver issue

[Daniele T. <da...@in...>]

The logout action in zope has always been quite messy. I'm afraid, though,
that this list is not the correct place where to put such a question. You
might want to post the question on some other Zope list: see
http://lists.zope.org
 (probably the "Zope" one is the best for your question).

Daniele =)

----- Original Message -----
From: "Jim Lennox" <je...@vz...>
To: <Ope...@li...>
Sent: Tuesday, November 19, 2002 7:03 AM
Subject: [Openflow-dev] newbie zopeserver issue


> I have just installed Zope 2.6 on RedHat Linux and it has Python 2.1.3
> My browser is KDE Konqueror.
>
> I was able to start the server and get to the manage screen where I
> created another user (with manager and owner rights).
>
> Now if I try to logout from the original logon I get this message
> "Authentication Failed! Do you want to retry"
>
> If I answer yes then it endlessly prompts me for user name and password.
> And if I say yes then the screen says I logged out but it also still
> shows me logged in as "admin".
>
> I looked at the browser settings and tried to change them to send
> authentication information but nothing changed.
>
> Can anyone offer any advice.
>
> Thanks
>
> Jim
>
>
>
>
> -------------------------------------------------------
> This sf.net email is sponsored by: To learn the basics of securing
> your web site with SSL, click here to get a FREE TRIAL of a Thawte
> Server Certificate: http://www.gothawte.com/rd524.html
> _______________________________________________
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> Ope...@li...
> https://lists.sourceforge.net/lists/listinfo/openflow-dev

[Openflow-dev] newbie zopeserver issue

[Jim L. <je...@vz...>]

I have just installed Zope 2.6 on RedHat Linux and it has Python 2.1.3
My browser is KDE Konqueror.

I was able to start the server and get to the manage screen where I
created another user (with manager and owner rights).

Now if I try to logout from the original logon I get this message
"Authentication Failed! Do you want to retry" 

If I answer yes then it endlessly prompts me for user name and password.
And if I say yes then the screen says I logged out but it also still
shows me logged in as "admin".

I looked at the browser settings and tried to change them to send
authentication information but nothing changed.

Can anyone offer any advice.

Thanks

Jim

[Openflow-dev] New to OpenFlow - Looking for Documentation in English?

[Jeff M. <mar...@ch...>]

Hello,
I am new to OpenFlow. But, not to workflow. I have been looking for detailed
documentation. I came across the Introduction to OpenFlow White Papers at
this link
http://www.openflow.it/wwwopenflow/EN/Overview/Documentation/Files/Introduzi
oneOpenFlow. Is this document available in English form? 
Thanks,
Jeff

Re: [Openflow-dev] using problem

[<jm...@so...>]

Sohie,

it's the method getProperty('property_name')
(It's a Zope feature, documented in the Zope docs.)


On Mon, 18 Nov 2002, sophie seillier wrote:

> Hi,
>
> I am working for a informatic service society. I'm doing tests on Openflo=
w,
> and I will do a demonstration for one of our customers on friday. I'd lik=
e
> to propose OpenFlow as the solution for our customer, but I have some
> problems today.
> These problems are using ones. I looked for a solution in OpenFlow
> Documentation, but I didn't find it.
>
> Could you help me to resolve my problem ?
> or
> Where can I find help ?
>
> my problem is this one :
> I use the [instance_id].manage_addProperty(...) API to store datas in the
> instances.
> But I don't know how to get these datas after storing...
> Does it exist a manage_getProperty function ?
>
> Thanks for your help.
>
> Best Regards
>
> Sophie.
>
>
>
> -------------------------------------------------------
> This sf.net email is sponsored by: To learn the basics of securing
> your web site with SSL, click here to get a FREE TRIAL of a Thawte
> Server Certificate: http://www.gothawte.com/rd524.html
> _______________________________________________
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> Ope...@li...
> https://lists.sourceforge.net/lists/listinfo/openflow-dev
>

--=20

      __o
    _ \<_
   (_)/(_)

Saludos de Juli=E1n
-.-

DVD-record Tools for linux
http://www.freesoftware.fsf.org/dvdrtools/

[Openflow-dev] using problem

[sophie s. <sop...@sy...>]

Hi,

I am working for a informatic service society. I'm doing tests on Openflow,
and I will do a demonstration for one of our customers on friday. I'd like
to propose OpenFlow as the solution for our customer, but I have some
problems today.
These problems are using ones. I looked for a solution in OpenFlow
Documentation, but I didn't find it.

Could you help me to resolve my problem ?
or
Where can I find help ?

my problem is this one :
I use the [instance_id].manage_addProperty(...) API to store datas in the
instances.
But I don't know how to get these datas after storing...
Does it exist a manage_getProperty function ?

Thanks for your help.

Best Regards

Sophie.

[Openflow-dev] Re: question about applications

[Daniele T. <da...@in...>]

Hello again,

I guess you could write a python external method that invokes the =
application you need (like Word). Like:

import os
os.system('/path/to/msword/word')

I never tried it, though. If you need to pass parameters (I don't know =
if word accepts pars and how many) you could use os.execv(path, args) =
where args is a tuple or list of strings.

Daniele =3D)
  ----- Original Message -----=20
  From: Sven Kramer=20
  To: d.t...@ic...=20
  Sent: Monday, November 18, 2002 10:47 AM
  Subject: question about applications


  Hi

  it's me again. :-)
  I have a question concerning applications. Is it possible to run any =
applications like Word,Acrobat, Exel, etc. ?
  I need to run such apps instead of self-made html-forms. I hope you =
understand what i need to do.

  greets=20
  Sven

Re: [Openflow-dev] Question on Process Definition

[Daniele <d.t...@ic...>]

On Tuesday 12 November 2002 16:30, Luca Arnaudo wrote:
> Hello openflowers,
>
> since we're implementing a tool to graphically design workflow processes in
> SVG this would be a very appreciated utility for me too. We'd use it to
> export OpenFlow processes from our tool. Seems you could be intereted
> Daniela.
>
> I'll sure stay tuned too Daniele.
>
> Luca

WOW! Let us know how your work is proceeding! It seems very interesting and 
usable.

Daniele =)

PS: openflow-ers or open-flowers ? =) =)

Re: [Openflow-dev] Question on Process Definition

[Luca A. <luc...@re...>]

Hello openflowers,

since we're implementing a tool to graphically design workflow processes =
in=20
SVG this would be a very appreciated utility for me too. We'd use it to=20
export OpenFlow processes from our tool. Seems you could be intereted=20
Daniela.

I'll sure stay tuned too Daniele.

Luca

On Tuesday 12 November 2002 15:12, Daniele wrote:
> On Tuesday 12 November 2002 11:49, twe...@li... wrote:
> > Hi,
> > I'd like to use Openflow as workflow engine in a WfMS. Thinking to
> > Workflow Reference Model it seems that Process Definition (PD) is
> > embedded in Openflow. Is it right?
> > And if I'd like to use another tool for PD (for example a graphic too=
l)
> > that export PD using WPDL (proposed by Coalition), is possible import
> > the xml output (following the Workflow Schema) of a generic process
> > definition tool?
> > And if the answer is (Openflow support WPDL) how does it work?
> >
> Ciao Daniela,
>
> the tool (meaning the forms) OpenFlow uses to draw the Process Definiti=
ons
> is embedded. The Process Definitions themselves are not, of course.
>
> Importing Process Definitions from WPDL is not possible right now, even
> though we are considering it as a feature to develop. Stay tuned on thi=
s
> list and you'll find out when the feature will be implemented.
>
> Daniele =3D)

--=20
Luca Arnaudo
mail: luc...@re...
Redesign srl
Tel: +39 02 39325385
Fax: +39 02 39314978

[Openflow-dev] Re: automatic application

[Daniele <d.t...@ic...>]

On Tuesday 12 November 2002 11:26, Sven Kramer wrote:
> Hi
>
>
> I'm still trying to do an automatic task. I have an activity wich routes to
> an other activity. In this activity an application is called which is
> nothing else than a python script(named index_html) that prints hello to
> the screen. When I set the start mode to automatic I get the error message
> I already sent to you. How can I execute this script automatically. Any
> ideas?
>
> greets Sven

Sven,

don't expect the 'hello' message to be displayed on your screen: the 
automatic start you set in the activity means that the script will be run as 
soon as the process instance gets in the activity, but the workflow engine is 
supposed to execute the script so there is no redirection to no page to look 
at.

Instead of printing a message (that won't be displayed in an automatic 
starting activity) try writing a script that does something like:

context.MyFolder.manage_addProperty('myprop', 'wow', 'string')

where "MyFolder is some folder you create outside the workflow. Try running 
and instance and then check the MyFolder properties: look for a prop called 
myprop. If it's there it means your automatic action has been accomplished.

Let me point out something you might have misunderstood:

Automatic activities aplpications are for the engine to run, with no human 
intervention. Automatic activities can be: automatic mail sending (warinings 
sent to somebody), SQL query to store some data, instance property handling. 
These applications are called automatically if the activity is set to 
"auto-start"

Non automatic activities applications are for humans to use, so they usually 
are something to interact with: html forms, reports and so on. These 
applications are called through an invocation to the workflow API 
"callApplication" (passing instance_id and workitem_id). Usually this 
invocation is triggerd from a list of html anchors a given user can see: its 
worklist. Try look at the html code of the "worklist" tab of OpenFlow.

best regards,
	Daniele =)


PS: since this mail might be useful to somebody else I'm posting it on the 
OpenFlow mailing list as well.

Re: [Openflow-dev] Question on Process Definition

[Daniele <d.t...@ic...>]

On Tuesday 12 November 2002 11:49, twe...@li... wrote:
> Hi,
> I'd like to use Openflow as workflow engine in a WfMS. Thinking to 
> Workflow Reference Model it seems that Process Definition (PD) is 
> embedded in Openflow. Is it right? 
> And if I'd like to use another tool for PD (for example a graphic tool) 
> that export PD using WPDL (proposed by Coalition), is possible import 
> the xml output (following the Workflow Schema) of a generic process 
> definition tool?
> And if the answer is (Openflow support WPDL) how does it work?
> Graphically what I'd like to do:
> 
>
> |--------|			 |----------| 	
> |
> |        |----> an XML file ---> |          |
> |
> |   PD	 |	 using WPDL      | OPENFLOW |
> |________|     			 |----------|
>
> 
> 
> Thank you in advance.
> Bye!
> Daniela

Ciao Daniela,

the tool (meaning the forms) OpenFlow uses to draw the Process Definitions is 
embedded. The Process Definitions themselves are not, of course.

Importing Process Definitions from WPDL is not possible right now, even 
though we are considering it as a feature to develop. Stay tuned on this list 
and you'll find out when the feature will be implemented.

Daniele =)

[Openflow-dev] =?iso-8859-1?Q?Question_on_Process_Definition?=

[=?iso-8859-1?Q?<twe...@li...>]

Hi,=0D=0AI'd like to use Openflow as workflow engine in a WfMS. Thinking =
to =0D=0AWorkflow Reference Model it seems that Process Definition (PD) i=
s =0D=0Aembedded in Openflow. Is it right? =0D=0AAnd if I'd like to use a=
nother tool for PD (for example a graphic tool) =0D=0Athat export PD usin=
g WPDL (proposed by Coalition), is possible import =0D=0Athe xml output (=
following the Workflow Schema) of a generic process =0D=0Adefinition tool=
?=0D=0AAnd if the answer is (Openflow support WPDL) how does it work?=0D=0A=
Graphically what I'd like to do:=0D=0A=0D=0A|--------|			 |----------| 	=0D=
=0A|        |----> an XML file ---> |          |=0D=0A|   PD	 |	 using WP=
DL      | OPENFLOW |=0D=0A|________|     			 |----------|=0D=0A=0D=0A=0D=0A=
Thank you in advance.=0D=0ABye!=0D=0ADaniela=0D=0A=0D=0A

Re: [Openflow-dev] Some Questions about OpenFlow

[pan j. <pan...@26...>]

> > 1. what happened to OpenFlow since the 0.72 release? It is a long time.
> > maybe many new interesting feature provided. :)
>
> After the 0.7.2 release OpenFlow went through a development period. Even
> though no more releases where oficially committed, a CVS repository of the
> current development has been kept pretty much on the current development
> release.
>
> You can find the cvs repository at
http://sourceforge.net/cvs/?group_id=2370
>


Thanks! Maybe I need a 'update.txt'. So hardly for me to find it from the
source:((

Re: [Openflow-dev] Some Questions about OpenFlow

[Daniele <d.t...@ic...>]

On Monday 04 November 2002 04:13, pan junyong wrote:
> Hi,
>
> I am new to OpenFlow. I am investigating it these days. I found I am going
> to like OpenFlow as if what I like Zope now. :)
>
> But, I can't find much live infomation about OpenFlow. And I have some
> questions.
>
> 1. what happened to OpenFlow since the 0.72 release? It is a long time.
> maybe many new interesting feature provided. :)

After the 0.7.2 release OpenFlow went through a development period. Even 
though no more releases where oficially committed, a CVS repository of the 
current development has been kept pretty much on the current development 
release.

You can find the cvs repository at http://sourceforge.net/cvs/?group_id=2370

> 2. when will the 1.0alpha release? I really wait for a long time. I heard
> it would release soon. but when? who knows?

The release of OpenFlow 1.0 will come as soon as the current cvs version has 
been fixed of the bugs. We hoped to be able to do that last week but another 
big project at Icube took over and the release has shifted. 

I can't promise anything, but I surely hope to be able to publish OpenFlow 
1.0 somewhere in November. I'm sorry for your waiting this release: I'm sure 
many other people are waiting it.

> 3. I am confused with the workitem status? what are they? how do they
> transit? And I am not clear with the 'blocked' status.

Julian did a great job explaining this.

> 4. I think in the ZMI activity view, the 'Automatic finish' should be
> 'Automatic forward', since it means after finished, the workitem will
> automatically forward. Am I right?

Yes, you are right. I guess we might consider changing this misleading name.

> 5. I need fresh docs and examples. How can I get?

Mhm, version 0.7.2 had a Demo version included. I'm porting the very same 
Demo to OpenFlow 1.0 to make a concrete example of OF usage.

For the docs I'm sure you already looked at www.openflow.it. Beside that, 
we'll publish any document that we write about OF (like we at Icube always 
did). There are no secret documents left unpublished: everything is on the 
web. We'll let you know  (on this list, of course) if something new comes out.

> oh, so much questions:) thanks for reading.

thanks for asking

   Daniele =)

Re: [Openflow-dev] Some Questions about OpenFlow

[<jm...@so...>]

On Mon, 4 Nov 2002, pan junyong wrote:

> 4. I think in the ZMI activity view, the 'Automatic finish' should be
> 'Automatic forward', since it means after finished, the workitem will
> automatically forward. Am I right?

Yes

Re: [Openflow-dev] Some Questions about OpenFlow

[<jm...@so...>]

> 3. I am confused with the workitem status? what are they? how do they
> transit? And I am not clear with the 'blocked' status.

As far as I know:

They represent the status of this task: inactive (=3Dnot yet
stated), active (=3Dstarted), complete (=3Dfinished).

"blocked" means that the task can not be considered because we are waiting
for a AND union that all the branches finish they respective tasks.


--=20

      __o
    _ \<_
   (_)/(_)

Saludos de Juli=E1n
-.-

DVD-record Tools for linux
http://www.freesoftware.fsf.org/dvdrtools/

[Openflow-dev] Some Questions about OpenFlow

[pan j. <ad5...@on...>]

Hi,

I am new to OpenFlow. I am investigating it these days. I found I am going
to like OpenFlow as if what I like Zope now. :)

But, I can't find much live infomation about OpenFlow. And I have some
questions.

1. what happened to OpenFlow since the 0.72 release? It is a long time.
maybe many new interesting feature provided. :)

2. when will the 1.0alpha release? I really wait for a long time. I heard it
would release soon. but when? who knows?

3. I am confused with the workitem status? what are they? how do they
transit? And I am not clear with the 'blocked' status.

4. I think in the ZMI activity view, the 'Automatic finish' should be
'Automatic forward', since it means after finished, the workitem will
automatically forward. Am I right?

5. I need fresh docs and examples. How can I get?

oh, so much questions:) thanks for reading.

  - panjunyong

Re: [Openflow-dev] Automatic push and automaic start ?

[<jm...@so...>]

The answer to my question is that the workitem must be "moved" in the
good direction by the last application (so I must create a switching
application).




On Thu, 24 Oct 2002, Juli=E1n Mu=F1oz wrote:

>
> On Thu, 24 Oct 2002, Daniele wrote:
>
> > Mhm, this sounds kind of weird, though. Usually an activity application=
 is
> > either:
> >
> > 1) form driven by some user
> >
> > 2) automatically manageable by the engine
>
>  You are right !! Sorry !!
>
> > The best way to approach this is to take the decision user/engine in so=
me
> > activity and then route to one of two different activities, on set to b=
e
> > automatic and one set to be user-driven.
>
> 100% right !!
>
> But imagine the decision must be taken in function of an external
> information, that is not in the instance.
>
> For example, if I have internet connection up, do something automatically=
,
> else do it manually.
>
> "Internet connection up" can't be put so easily on the transition
> condition !!! Suppose it's a property of the root folder.
>
> So, in a more generic way: how to do transitions based on external
> information ???
>
>
>
>
>
>
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Saludos de Juli=E1n
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