Hi, I am not quite sure I understand your problem, but I believe what you want is to only react to a change in a text.
This information is placed in the #text port. Here is a basic example of how to react to it: http://ws.stfx.eu/ETEC2JH7363M Cheers, Doru > On Feb 6, 2017, at 2:16 AM, Offray Vladimir Luna Cárdenas > <[email protected]> wrote: > > Hi, > > For my Grafoscopio notebooks, I have implemented a way to auto-updating the > content of a node, so it is automatically saved in the notebook when a node > content is changed. The problem is that a node contains an embedded > playground that produces text as output when executed (for example the > playground reads a file or scraps HTML or calculates a hash), the text of the > playground is replaced with the executed output. If the playground produces a > visualization or non-textual output, this doesn't happen. > > I imagine that the source of the problem is here: > > ======= > > GrafoscopioNotebook >> autoSaveBodyOf: aNode > body body class = TextModel > ifTrue: [ body body whenTextChanged: [ :arg | aNode body: arg ] ]. > body body class = GlamourPresentationModel > ifTrue: [ | playground | > playground := body body glmPres. > playground > when: GLMContextChanged > do: [ :ann | > ann property = #text > ifTrue: [ | playgroundText | > playgroundText := (playground pane ports at: 2) > value. > aNode body: playgroundText ] > ] > ] > > ======= > > as you can see the "when: GLMContextChanged" updates a node body with the > playgroundText, as intended, so I can capture any change of the playground > code, but I would like to add some condition to **not** update the body > content if the text is the result of a playground execution. There is any way > to do this? > > Thanks, > > Offray > > -- www.tudorgirba.com www.feenk.com "If you can't say why something is relevant, it probably isn't."
