Glamour: errors when updating panels

> Hi,
>
> I have problems when updating my tabbed panels :'(
> After modifying the data on one panel I update several other panels, that are not necessarily connected together.  
> Using only #update e.g. (browser paneNamed: #example) update.  
> The data is correctly updated, but not the presentations.
>
> Based on the example #updateableBrowser I am showing the errors.
>
> 1) #when in the second list does not react.
> * If you start with an empty collection, the list does not appear, then if you add an element the list does not appear neither.  
> * if you start with some elements, the list is there, but after removing all the elements the list does not disappear, and instead you have a SubscriptOutOfBounds error because of a tab index  (this is my same scenario: tabbed panels)

>
>
> | browser collection |
> collection := GLMAnnouncingCollection new.
> collection add: 1.
> browser := GLMTabulator new.
> browser column: #automatic; column: #menu.
> browser act: [:b | b entity add: (b entity size + 1) ] entitled: 'Add an item in the collection'.
> browser act: [:b | b entity removeLast ] entitled: 'Remove last item from the collection'.
> browser act: [:b | b update ] entitled: 'Update complete browser'.
> browser transmit to: #automatic; andShow: [ :a |
> a title: 'Updated automatically'.
> a stackedArrangement.
> a list title: [:x | 'List: ', x size printString ];
> shouldValidate: true;
> updateOn: GLMItemAdded from: #yourself;
> updateOn: GLMItemRemoved from: #yourself  ].
> browser transmit to: #menu; andShow: [ :a |
> a title: 'Updated via menu'.
> a list title: 'List';
> when:[ :e| e size > 0 ];
> act: [:p | p update ] entitled: 'Update'.
> a text title: 'Text'; act: [:p | p update] entitled: 'Update'. ].
> browser  openOn: collection
>
>
> Please some help.
>
> Best Regards,
> Veronica
> _______________________________________________
> Moose-dev mailing list
> [hidden email]
> https://www.iam.unibe.ch/mailman/listinfo/moose-dev

> Hi Veronica,
>
> On 1 Dec 2011, at 17:37, Veronica Isabel Uquillas Gomez wrote:
>
>> Hi,
>>
>> I have problems when updating my tabbed panels :'(
>> After modifying the data on one panel I update several other panels, that are not necessarily connected together.  
>> Using only #update e.g. (browser paneNamed: #example) update.  
>> The data is correctly updated, but not the presentations.
>>
>> Based on the example #updateableBrowser I am showing the errors.
>>
>> 1) #when in the second list does not react.
>> * If you start with an empty collection, the list does not appear, then if you add an element the list does not appear neither.  
>> * if you start with some elements, the list is there, but after removing all the elements the list does not disappear, and instead you have a SubscriptOutOfBounds error because of a tab index  (this is my same scenario: tabbed panels)
>
> Thanks. This is indeed a problem. Please open a bug ticket with this part.
>
>> 2) #shouldValidate:   what is the logic of this?.
>> I tried to use it, but i got into problems on the selected item. I could only inspect the selected item of the panel using #shouldValidate. In the second panel -> selected item is nil or the value of the first panel.
>
> shouldValidate is a special functionality that is under documented :). The idea is that sometimes we would like to give the presentation the option to validate the values of ports. This is particularly relevant for updates. For example:
> - suppose you have a list  (1 2 3) and 3 is selected. That means that the value of the #selection port is 3.
> - if you remove 3 from the model and update the presentation, we would now want the value in the #selection port to be nil (or at least not 3).
>
> So, if you tell the list to "shouldValidate: true", then instead of 3 you will get nil.
>
> As an example, take a look at:
>
> |collection|
> collection := GLMAnnouncingCollection new.
> collection add: 1; add: 2; add: 3.
> GLMBasicExamples new validatingPresentation openOn: collection.
>
> Now, this validation is a little expensive, so by default, it is false.
>
> Cheers,
> Doru
>
>
>>
>>
>> | browser collection |
>> collection := GLMAnnouncingCollection new.
>> collection add: 1.
>> browser := GLMTabulator new.
>> browser column: #automatic; column: #menu.
>> browser act: [:b | b entity add: (b entity size + 1) ] entitled: 'Add an item in the collection'.
>> browser act: [:b | b entity removeLast ] entitled: 'Remove last item from the collection'.
>> browser act: [:b | b update ] entitled: 'Update complete browser'.
>> browser transmit to: #automatic; andShow: [ :a |
>> a title: 'Updated automatically'.
>> a stackedArrangement.
>> a list title: [:x | 'List: ', x size printString ];
>> shouldValidate: true;
>> updateOn: GLMItemAdded from: #yourself;
>> updateOn: GLMItemRemoved from: #yourself  ].
>> browser transmit to: #menu; andShow: [ :a |
>> a title: 'Updated via menu'.
>> a list title: 'List';
>> when:[ :e| e size > 0 ];
>> act: [:p | p update ] entitled: 'Update'.
>> a text title: 'Text'; act: [:p | p update] entitled: 'Update'. ].
>> browser  openOn: collection
>>
>>
>> Please some help.
>>
>> Best Regards,
>> Veronica
>> _______________________________________________
>> Moose-dev mailing list
>> [hidden email]
>> https://www.iam.unibe.ch/mailman/listinfo/moose-dev
>
> --
> www.tudorgirba.com
>
> "What is more important: To be happy, or to make happy?"
>
>
> _______________________________________________
> Moose-dev mailing list
> [hidden email]
> https://www.iam.unibe.ch/mailman/listinfo/moose-dev

> Hi Doru,
>
> I entered the issue.. but just noticed that i wrote component-mondrian (oops)
>
> Cheers,
> Veronica
>
> On 01 Dec 2011, at 18:33, Tudor Girba wrote:
>
>> Hi Veronica,
>>
>> On 1 Dec 2011, at 17:37, Veronica Isabel Uquillas Gomez wrote:
>>
>>> Hi,
>>>
>>> I have problems when updating my tabbed panels :'(
>>> After modifying the data on one panel I update several other panels, that are not necessarily connected together.  
>>> Using only #update e.g. (browser paneNamed: #example) update.  
>>> The data is correctly updated, but not the presentations.
>>>
>>> Based on the example #updateableBrowser I am showing the errors.
>>>
>>> 1) #when in the second list does not react.
>>> * If you start with an empty collection, the list does not appear, then if you add an element the list does not appear neither.  
>>> * if you start with some elements, the list is there, but after removing all the elements the list does not disappear, and instead you have a SubscriptOutOfBounds error because of a tab index  (this is my same scenario: tabbed panels)
>>
>> Thanks. This is indeed a problem. Please open a bug ticket with this part.
>>
>>> 2) #shouldValidate:   what is the logic of this?.
>>> I tried to use it, but i got into problems on the selected item. I could only inspect the selected item of the panel using #shouldValidate. In the second panel -> selected item is nil or the value of the first panel.
>>
>> shouldValidate is a special functionality that is under documented :). The idea is that sometimes we would like to give the presentation the option to validate the values of ports. This is particularly relevant for updates. For example:
>> - suppose you have a list  (1 2 3) and 3 is selected. That means that the value of the #selection port is 3.
>> - if you remove 3 from the model and update the presentation, we would now want the value in the #selection port to be nil (or at least not 3).
>>
>> So, if you tell the list to "shouldValidate: true", then instead of 3 you will get nil.
>>
>> As an example, take a look at:
>>
>> |collection|
>> collection := GLMAnnouncingCollection new.
>> collection add: 1; add: 2; add: 3.
>> GLMBasicExamples new validatingPresentation openOn: collection.
>>
>> Now, this validation is a little expensive, so by default, it is false.
>>
>> Cheers,
>> Doru
>>
>>
>>>
>>>
>>> | browser collection |
>>> collection := GLMAnnouncingCollection new.
>>> collection add: 1.
>>> browser := GLMTabulator new.
>>> browser column: #automatic; column: #menu.
>>> browser act: [:b | b entity add: (b entity size + 1) ] entitled: 'Add an item in the collection'.
>>> browser act: [:b | b entity removeLast ] entitled: 'Remove last item from the collection'.
>>> browser act: [:b | b update ] entitled: 'Update complete browser'.
>>> browser transmit to: #automatic; andShow: [ :a |
>>> a title: 'Updated automatically'.
>>> a stackedArrangement.
>>> a list title: [:x | 'List: ', x size printString ];
>>> shouldValidate: true;
>>> updateOn: GLMItemAdded from: #yourself;
>>> updateOn: GLMItemRemoved from: #yourself  ].
>>> browser transmit to: #menu; andShow: [ :a |
>>> a title: 'Updated via menu'.
>>> a list title: 'List';
>>> when:[ :e| e size > 0 ];
>>> act: [:p | p update ] entitled: 'Update'.
>>> a text title: 'Text'; act: [:p | p update] entitled: 'Update'. ].
>>> browser  openOn: collection
>>>
>>>
>>> Please some help.
>>>
>>> Best Regards,
>>> Veronica
>>> _______________________________________________
>>> Moose-dev mailing list
>>> [hidden email]
>>> https://www.iam.unibe.ch/mailman/listinfo/moose-dev
>>
>> --
>> www.tudorgirba.com
>>
>> "What is more important: To be happy, or to make happy?"
>>
>>
>> _______________________________________________
>> Moose-dev mailing list
>> [hidden email]
>> https://www.iam.unibe.ch/mailman/listinfo/moose-dev
>
>
> _______________________________________________
> Moose-dev mailing list
> [hidden email]
> https://www.iam.unibe.ch/mailman/listinfo/moose-dev