Hola,
for my visualization, I want to be able to change the color of a shape after the view has been opened, depending on a given condition. So I wrote something like below, where the instvar lastview holds the view that was opened.
highlightNode: aName
|node|
node := lastview elementFromModel: aName.
node isNil ifFalse: [
node shape color: (Color red).
lastview signalUpdate.]
Sadly, I do not see the shape changing color to red. What can I do to have this working?
You could try by doing:
highlightNode: aName
|node|
node := lastview elementFromModel: aName.
node isNil ifFalse: [
node shape color: (Color red).
node update].
Here’s a small example:
|node lastview|
lastview := RTView new.
lastview addAll: (RTBox elementsOn: #(1 2 3 4)).
node := lastview elementFromModel: 3.
node isNil ifFalse: [
node shape color: (Color red).
node update.].
RTHorizontalLineLayout on: lastview elements.
lastview open.
Does it help you?
Cheers,
Pablo
Thanks in advance,
---> Save our in-boxes! http://emailcharter.org <---
Johan Fabry - http://pleiad.cl/~jfabry
PLEIAD lab - Computer Science Department (DCC) - University of Chile
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