[etoys-dev] [squeakland] how to hide ALL connectors to/from a specific node in the Connectors package?

karl ramberg karlramberg at gmail.com
Tue Sep 17 14:57:45 EDT 2013


You can also work around not having the whole graph in tellAllSuccessors

Look at attached project


On Tue, Sep 17, 2013 at 8:36 PM, karl ramberg <karlramberg at gmail.com> wrote:

> First
>
> #tellAllIncomingConnections: aMessageSelector and #tellAllOutgoingConnections:
> aMessageSelector
>
> are just the first level connectors directly connected to the morph in
> question. Its one level deep.
>
> You can look at
> Player>>tellAllSuccessors: aMessageSelector
>
> If you change
>
> self costume successors do:
>
> to
>
> self costume allSuccessors do:
>
> you get a graph of all the morphs successors to the morph
>
> This is IMO a bug. It says tellAllSuccessors but tells only the first node
> in the successor graph.
>
> Same goes for tellAllPredecessors:
>
> Karl
>
>
> On Sat, Sep 14, 2013 at 10:45 PM, Lawson English <lenglish5 at cox.net>wrote:
>
>> I'll try again:
>>
>> I have 19 Connectors nodes showing in my project.
>>
>> There are 19 x 18 connectors -a fully connected graph.
>>
>> I want to be able to easily tell all connectors to hide using Etoys
>> scripting. I already know how to do this with Squeak, but it isn't obvious
>> at all how to make it work with etoys, despite the existence of a scripting
>> option "tellAllIncomingConnections" and "tellAllOutgoingConnections"
>>
>> I can't figure it out.
>>
>> I've dropped down into the System browser and looked at the Smalltalk
>> code for
>>
>> #tellAllIncomingConnections: aMessageSelector
>>
>> and
>>
>> #tellAllOutgoingConnections: aMessageSelector
>>
>>     "Send the given message selector to all the players of the receiver's
>> costume's outgoing connections"
>>
>>     self costume outgoingConnections do:
>>         [:m |
>>             m playerRepresented ifNotNilDo:
>>                 [:p | p performScriptIfCan: aMessageSelector]]
>>
>> I've even tried putting ^#hide into the script.
>>
>>
>> Is this aspect of Connectors + Etoys broken or am I missing something?
>>
>> I can specify a SPECIFIC Connector to hide, but I have potentially 19 x
>> 18 or even 256 x 255 of them to work with, so obviously this isn't an
>> option.
>>
>> Do I have to go with my incredibly cumbersome code I worked out in my
>> Squeak youtube tutorials and stick that into a script, instead?
>>
>>
>>
>>
>>
>> Thanks.
>>
>>
>> L
>>
>>
>> --
>> Squeak from the very start (introduction to Squeak and Pharo Smalltalk
>> for the (almost) complete and compleate beginner).
>> https://www.youtube.com/**playlist?list=**PL6601A198DF14788D&feature=**
>> view_all<https://www.youtube.com/playlist?list=PL6601A198DF14788D&feature=view_all>
>>
>> "Debugging is twice as hard as writing the code in the first place.
>> Therefore, if you write the code as cleverly as possible, you are, by
>> definition, not smart enough to debug it." - Brian Kernighan
>>
>> ______________________________**_________________
>> squeakland mailing list
>> squeakland at squeakland.org
>> http://lists.squeakland.org/**mailman/listinfo/squeakland<http://lists.squeakland.org/mailman/listinfo/squeakland>
>>
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.squeakland.org/pipermail/etoys-dev/attachments/20130917/bf71370b/attachment-0001.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: connector.001.pr
Type: application/octet-stream
Size: 191142 bytes
Desc: not available
URL: <http://lists.squeakland.org/pipermail/etoys-dev/attachments/20130917/bf71370b/attachment-0001.obj>


More information about the etoys-dev mailing list