gmane.comp.lang.smalltalk.squeak.beginners

Re: Re: Easy way to override a method?

Scott Wallace — 2008-05-17T19:42:03

I'm surprised no one has mentioned the "copy up or copy down..." feature, available in the "more..." branch of the selector-list menu of any browser or message-list of most versions of Squeak since March 2001.

Re: Re: Easy way to override a method?

Matthew Fulmer — 2008-05-17T18:24:44

to show a class with some of it's inherited methods, use the protocol browser (select a class, and alt-P). When you save a method in the protocol browser, it asks you which class to save it under, if I remember correctly.

Re: Re: Easy way to override a method?

Giovanni Corriga — 2008-05-17T12:36:10

Tim M ha scritto: Using eCompletion, if you know which method to override you can simply start typing the first few letters of the selector, then press CTRL+space and select the method from the popup window. Giovanni

Re: Easy way to override a method?

Tim M — 2008-05-17T12:26:50

Hi Herbert, Yes but its a nuisance to copy the method signature, click on the class below, click on a method (or the as yes undefined category), and then paste the signature and then enter by override. I was hoping that there was something like in dolphin - browse my subclass but enable show inherited methods - select the inehrited method, right click and pick Refactoring | Override - this then does then creates me a template that overrides. The shift key wasn't one I thought of - that is a reasonable workaround if a bit mousy. Maybe if I get better at Squeak I will work out how to add a keyboard shortcut. Thanks for the tips. Tim

[ANN] MorphicWrappers&MathMorphsinto3.10

Edgar J. De Cleene — 2008-05-17T10:35:12

I add http://wiki.squeak.org/squeak/6050. For people I advice hit the load updates button and advance your image to Squeak3.10-7164-basic.image, so you have the last minute fixes, look enh, etc. The Diego Gomez Deck friendly bar you see in page pict could be activated going to Preferences, docking bars and changing the preference to on Cheers Edgar

Re: Easy way to override a method?

Herbert König — 2008-05-17T06:57:03

Hello Tim, TM> Is there an easy way in Squeak to override a method? if I don't misunderstand you, you just redefine it in your subclass? TM> (it is in Dolphin). Failing this I tried drag and drop - but that seems to TM> just move the method (I held the Control key while dragging but I guess thats TM> a Dolphin and a windows thing). RB uses the shift key to copy a method into another class instead of moving it. Other refactorings are push up, push down moving the method down to every subclass.

Easy way to override a method?

Tim M — 2008-05-17T01:22:22

Is there an easy way in Squeak to override a method? I have created a subclass of a class, and am viewing my subclass in a hierarchy browser. I have clicked on the superclass in the browser and am browsing methods to see what I need to override. Having discovered a method that I want to override - I was hoping I could right click on that method and select Refactor|Override - but its not there (it is in Dolphin). Failing this I tried drag and drop - but that seems to just move the method (I held the Control key while dragging but I guess thats a Dolphin and a windows thing). Is there some way to easily and quickly do this without having to cut and paste? Tim

Re: New edition of Squeak by Example using dedicated image

David Zmick — 2008-05-16T20:23:04

_______________________________________________ Beginners mailing list Beginners< at >lists.squeakfoundation.org http://lists.squeakfoundation.org/mailman/listinfo/beginners

Re: How to put a block into an Array

Matthew Fulmer — 2008-05-16T20:10:49

There are three good syntax guides at http://squeak.org/Documentation

Re: How to put a block into an Array

David Finlayson — 2008-05-16T20:02:03

Thanks, that did it. There is a nice explaination of this syntax here: http://www.smalltalk.org/articles/article_20040920_a2.html which I was not aware of. My Smalltalk books are dated and don't have the Squeak extensions to the language. David On Fri, May 16, 2008 at 12:17 PM, Matthew Fulmer gmail.com> wrote:

Re: How to put a block into an Array

Matthew Fulmer — 2008-05-16T19:17:19

the #() syntax only supports numbers and symbols. Use the brace syntax, or build the array using messages: myArray := {[Transcript show: 'a message']} myArray := Array with: [Transcript show: 'a message']

How to put a block into an Array

David Finlayson — 2008-05-16T19:11:50

Newbie here, working my way through Guzdial's Squeak: Object-Oriented Design with Multimedia Applications (2001). One of the exercises requires building an Array with a block of code as an element, the idea is to lookup the stored block in some way and execute it. But, how do you store a block of code in an Array? For example, I can do this: [Transcript show: 'a message'] value But I can't get this to work: myArray := #([Transcript show: 'a message']). (myArray at: 1) value The reason is that (myArray at: 1) doesn't recognize the stored object as a block. Inspecting it shows the odd symbol: #[ ?? Can someone get me back on the clue train? Thanks, David

New edition of Squeak by Example using dedicated image

Oscar Nierstrasz — 2008-05-16T10:52:24

Hi folks, Several people have complained about being confused when the hands-on examples don't work as described in various images. We have attempted to address this problem by providing our own dedicated image, available from SqueakByExample.org. This image has been specially prepared by Damien Cassou, and is a slight variant of the final 3.9 squeak-dev image. (Most of) the figures and exercises have been adapted so they really should work exactly as described in the latest revision (2008-05-15). We would be happy for feedback in case any further errors are found. (Please use the discussion list mentioned on the book's web site.) Thanks to one and all for the very positive feedback so far, and your patience with errors and oversights. Oscar Nierstrasz

Re: Squeak and GUIs

David Zmick — 2008-05-15T21:15:17

_______________________________________________ Beginners mailing list Beginners< at >lists.squeakfoundation.org http://lists.squeakfoundation.org/mailman/listinfo/beginners

Re: Squeak and GUIs

Claus Kick — 2008-05-15T17:07:12

Hello David, enough to write a tutorial about it? Cheers, Claus

Re: Squeak and GUIs

David Zmick — 2008-05-15T01:18:53

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Re: on-line seaside tutorial or book

David Zmick — 2008-05-15T01:17:19

_______________________________________________ Beginners mailing list Beginners< at >lists.squeakfoundation.org http://lists.squeakfoundation.org/mailman/listinfo/beginners

Re: on-line seaside tutorial or book

Claus Kick — 2008-05-14T14:48:03

Now that is a nice solution - might be worth trying to build a product out of it!

Re: Easy way to define new methods referenced in a method?

Claus Kick — 2008-05-14T14:46:45

I would be grateful enough if I could tell the browser to ignore this error because I know what I am doing.

Re: Does create class prompt on save actually record tothe changes file?

Klaus D. Witzel — 2008-05-14T08:10:57

Yes, by using the fresh sq3.10-7159dev08.05.2.image I just reproduced that bug, there's nothing about the new class in the .changes file :( This is easy to see with FileList => recent changes button on the .changes file. Please enter a bug report < at > http://bugs.squeak.org also report which .image you're using. /Klaus

Re: on-line seaside tutorial or book

Michael Haupt — 2008-05-14T06:20:49

Hi, indeed the online tutorial and book are in sync most of the time. New material is added to the book, and the LaTeX sources are magically converted to Seaside code, which in turn forms the online version. :-) Best, Michael