December 2013 - Pharo-dev - lists.pharo.org

Class-side hierarchy to show meta-classes?
by btc＠openinworld.com Dec. 29, 2013

Dec. 29, 2013

Working on case 12498 [1] has evolved to the idea of the class-side hierarchy showing meta-classes per attached snapshot. I'd like some community feedback on the idea. Note the metaclasses are bolded similar to how bold indicates class-side methods. Thanks Nicolai for your help so far. cheers -ben [1] https://pharo.fogbugz.com/f/cases/12498/

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Re: [Pharo-dev] A small patch for Zinc (related to XMLParser)
by Sven Van Caekenberghe Dec. 29, 2013

Dec. 29, 2013

Hi Monty, On 29 Dec 2013, at 07:47, monty <monty.os(a)engineer.com> wrote: > Hi Sven. your ZnMimeType>>isBinary method is wrongly treating application/xml-dtd and other XML application subtypes like xml-external-parsed-entity as binary instead of text. To be consistent, if you're going to treat one applicaiton/xml type as text, you should treat them all that way. I attached a patch that fixes it by treating "-" as a subtype separator too. More info: http://www.ietf.org/rfc/rfc3023.txt Excellent extension, I integrated it in Zinc upstream, bleedingEdge === Name: Zinc-Resource-Meta-Core-SvenVanCaekenberghe.30 Author: SvenVanCaekenberghe Time: 29 December 2013, 12:05:01.614278 pm UUID: 18ce8118-2e25-43f1-8524-0d6b817be8cb Ancestors: Zinc-Resource-Meta-Core-SvenVanCaekenberghe.29 Extend ZnMimeType>>#isBinary to recognize application/xml-dtd (and more from http://www.ietf.org/rfc/rfc3023.txt) as non-binary by using both + and - as subtype separators when looking for xml (thanks monty); Extend ZnMimeTypeTests>>testIsBinary to cover the new functionality === Name: Zinc-Resource-Meta-Tests-SvenVanCaekenberghe.18 Author: SvenVanCaekenberghe Time: 29 December 2013, 12:05:30.83878 pm UUID: 4c2e4a78-c496-41b7-9f5c-cd90b982a9d6 Ancestors: Zinc-Resource-Meta-Tests-SvenVanCaekenberghe.17 Extend ZnMimeType>>#isBinary to recognize application/xml-dtd (and more from http://www.ietf.org/rfc/rfc3023.txt) as non-binary by using both + and - as subtype separators when looking for xml (thanks monty); Extend ZnMimeTypeTests>>testIsBinary to cover the new functionality === > Also, my lack of commit messages is because if I'm just making some small changes to private classes/methods or refactoring, I don't see the point in detailing it for users who don't (and shouldn't) care. They should just focus on the public API (which I haven't changed much). Hmm, I think that for both the community and for yourself in half a year it is important to write commit messages like the one I wrote above. It does not have to go into much detail, something like ârefactored the DOM parser for entitiesâ is enough - it will help hunting for regressions and other problems. The writeup of your changes that was in the email is already very helpful. BTW, thanks for working on XML parser, it is an important tool. > <ZnMimeType-isBinary.st> Thanks again for the patch ! Regards, Sven -- Sven Van Caekenberghe Proudly supporting Pharo http://pharo.org http://association.pharo.org http://consortium.pharo.org

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Error in loading libreries
by Lorenzo Schiavina Dec. 28, 2013

Dec. 28, 2013

Hi, every time I try to load a package from Monticello, I receive the message: ERROR: MCHttpRepository expected. Can anybody tell me why and suggest me a workeround? Many thanks and season's greetings Lorenzo

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[ANN] Ephestos
by kilon alios Dec. 28, 2013

Dec. 28, 2013

Still long way to go until its really useful but following your advice I decided to release it to public and announce it instead of having it hidden. Ladies , gentleman and hybrids I present to you Ephestos, my visual coding project for graphics and sound. This is my very first project with Pharo and Smalltalk and my second coding project. Just released a version 0.1 so as you can imagine you wont see anything impressive yet but none the less it included my first Ephestos tool, Hyperion a vector graphics editor. Right now it can only edit a single vector straight line and add new lines. I am working now on version 0.2 that will allow you to edit other lines , moving them around with mouse and add support for bezier curves. So its moving .... slowly .... very slowly... but moving none the less :D You can find Ephestos here along with installation instructions and how to use Hyperion. Suffice to say you will need Pharo 3 to run it http://www.smalltalkhub.com/#!/~kilon/Ephestos I hope I will have Version 1 in January 2015 that will set out the base functionality of Hyperion which will be a complete very basic vector editor with features you will expect to find in a vector editor like moving lines around, editing them, adding new control points to them, making gradients and basic layer support. Will also introduce Prometheas a new documentation system . I would like to thank all people who make Pharo so amazing and cool, my problems with this project have more to do with my understanding on how to code this thing properly than pharo and its libraries. So I definitely did not expected it to be such a smooth ride.

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[fun] Editing graphic vectorial content
by Alexandre Bergel Dec. 28, 2013

Dec. 28, 2013

Just to share a 10 min coding session, just before lunch. Result here: https://www.facebook.com/photo.php?fbid=564129843673617&set=a.3411893793009… code: -=-=-=-=-=-=-=-= | view stack selected statusBar | stack := ROViewStack new. view := ROView new. selected := nil. statusBar := nil. view on: ROMouseClick do: [ :evt | selected == #line ifTrue: [ | ex1 ex2 line | ex1 := (ROBox new size: 10; color: (Color purple alpha: 0.2)) element. ex2 := (ROBox new size: 10; color: (Color purple alpha: 0.2)) element. ex1 translateTo: evt position. ex2 translateTo: evt position + (100 @ 60). ex1 @ ROLightlyHighlightable. ex2 @ ROLightlyHighlightable. ex1 @ RODraggable. ex2 @ RODraggable. line := (ROLine new width: 3; color: (Color blue alpha: 0.2)) elementFrom: ex1 to: ex2. view addAll: { ex1 . ex2 . line }. ]. selected == #circle ifTrue: [ | ellipse | ellipse := (ROEllipse new size: 40; color: (Color yellow alpha: 0.2)) element. ellipse translateTo: evt position. ellipse @ RODraggable. view add: ellipse. ]. selected == #rectangle ifTrue: [ | box | box := (ROBox new width: 40; height: 30; color: (Color blue alpha: 0.2)) element. box translateTo: evt position. box @ RODraggable. view add: box. ]. view signalUpdate. ]. view @ RODraggable. stack zoomInButton; zoomOutButton. stack addMenu: '+ line' callBack: [ :evt | selected := #line. statusBar model: 'line' ]. stack addMenu: '+ rectangle' callBack: [ :evt | selected := #rectangle. statusBar model: 'rectangle' ]. stack addMenu: '+ circle' callBack: [ :evt | selected := #circle. statusBar model: 'circle' ]. stack addMenu: 'Info' callBack: [ :evt | UIManager default inform: 'Vectorial editing is hyper cool' ]. stack addView: view. stack title: 'Vectorial edition'. "Status bar at the bottom of the window" statusBar := (ROElement new) + ROLabel + ROBox white. stack add: statusBar. ROConstraint stickAtTheBottomOfTheWindow: statusBar. stack open -=-=-=-=-=-=-=-= Cheers, Alexandre -- _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;: Alexandre Bergel http://www.bergel.eu ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;.

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Fwd: problem while parsing xml
by StÃ©phane Ducasse Dec. 28, 2013

Dec. 28, 2013

Begin forwarded message: > From: "monty" <monty.os(a)engineer.com> > Subject: Re: [Pharo-dev] problem while parsing xml > Date: 28 Dec 2013 01:41:36 GMT+1 > To: "StÃ©phane Ducasse" <stephane.ducasse(a)inria.fr> > > Thanks for the CCs. I've identified the sources of the problem(s) and am working on it now and should have it fixed soon (though its not entirely confined to XMLParser, but the fixes outside are minimal). > > NOTE: You can always just disable resolvesExternalEntities: and isValidating: (or use parse:usingNamespaces:validation:externalEntities: with the last two args false) if they are causing problems. > >> ----- Original Message ----- >> From: StÃ©phane Ducasse >> Sent: 12/27/13 04:42 AM >> To: Pharo Development List >> Subject: Re: [Pharo-dev] problem while parsing xml >> >> ok I missed the example in the mail of satoshi I will try to have a look or at leat write a test. >> >> On 25 Dec 2013, at 19:04, StÃ©phane Ducasse <stephane.ducasse(a)inria.fr> wrote: >> >>> >>> Hi Hernan >>> >>> how did you reproduce the bug? >>> Because it would be nice to fix it. >>> >>> Stef >>> >>> On 24 Dec 2013, at 18:48, HernÃ¡n Morales Durand <hernan.morales(a)gmail.com> wrote: >>> >>>> >>>> I have tried in Pharo 2.0 configurations from Config Browser (ConfigurationOfXMLParser-StephaneDucasse.16) and latest from http://www.smalltalkhub.com/mc/PharoExtras/XMLParser/main (ConfigurationOfXMLParser-monty.37) and both have this bug. >>>> HernÃ¡n >>>> >>>> 2013/12/24 StÃ©phane Ducasse <stephane.ducasse(a)inria.fr> >>>> Hi Satoshi >>>> >>>> Did you try with the latest configuration of XMLParser? >>>> Because I do not know what it is in Moose. >>>> Stef >>>> >>>> On 23 Dec 2013, at 18:26, NISHIHARA Satoshi <goonsh(a)gmail.com> wrote: >>>> >>>> > Hello >>>> > >>>> > using: Pharo3.0 Latest update: #30659 (it occurs same error to >>>> > Pharo2.0 Latest update: #20628) >>>> > (Moose 4.9 with XML-Parser (DamienCassou.143) has no_err) >>>> > >>>> > 1. load XMLParser (StephaneDucasse.16) from Configuration browser >>>> > 2. select and inspect it below: >>>> > ^ XMLDOMParser parse: '<?xml version="1.0" encoding="UTF-8" standalone="no"?> >>>> > <!DOCTYPE score-partwise PUBLIC >>>> > "-//Recordare//DTD MusicXML 3.0 Partwise//EN" >>>> > "http://www.musicxml.org/dtds/partwise.dtd"> >>>> > <score-partwise version="3.0"> >>>> > <part-list> >>>> > <score-part id="P1"> >>>> > <part-name>Music</part-name> >>>> > </score-part> >>>> > </part-list> >>>> > <part id="P1"> >>>> > <measure number="1"> >>>> > <attributes> >>>> > <divisions>1</divisions> >>>> > <key> >>>> > <fifths>0</fifths> >>>> > </key> >>>> > <time> >>>> > <beats>4</beats> >>>> > <beat-type>4</beat-type> >>>> > </time> >>>> > <clef> >>>> > <sign>G</sign> >>>> > <line>2</line> >>>> > </clef> >>>> > </attributes> >>>> > <note> >>>> > <pitch> >>>> > <step>C</step> >>>> > <octave>4</octave> >>>> > </pitch> >>>> > <duration>4</duration> >>>> > <type>whole</type> >>>> > </note> >>>> > </measure> >>>> > </part> >>>> > </score-partwise> >>>> > ' readStream. >>>> > >>>> > 3. and get DNU: SmallInteger>>asciiValue >>>> > >>>> > 'case of XMLZincClient>>#get: >>>> > 'http://www.musicxml.com/dtds/partwise.dtd' timeout: ... onError: ... >>>> > returns binaryStream? >>>> > >>>> > >>>> > -- >>>> > -- >>>> > "NISHIHARA Satoshi" >>>> > [:goonsh :nsh | ^ nishis perform: goonsh with: nsh] >>>> > <PharoDebug.log> >>>> >>>> >

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Nautilus: tab key change focus
by Juraj Kubelka Dec. 28, 2013

Dec. 28, 2013

Hi, Can someone give me any glue how tab-key-order and handling works in Nautilus? I am trying to fix the tab order in Nautilus but I do not see how it is implemented. Thanks, Jura

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Dec. 27, 2013

Hi guys we should not let the system in such state. We cannot inspect print expression in the debugger. Does anybody have an idea of the change that broke it? Stef

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problem while parsing xml
by NISHIHARA Satoshi Dec. 27, 2013

Dec. 27, 2013

Hello using: Pharo3.0 Latest update: #30659 (it occurs same error to Pharo2.0 Latest update: #20628) (Moose 4.9 with XML-Parser (DamienCassou.143) has no_err) 1. load XMLParser (StephaneDucasse.16) from Configuration browser 2. select and inspect it below: ^ XMLDOMParser parse: '<?xml version="1.0" encoding="UTF-8" standalone="no"?> <!DOCTYPE score-partwise PUBLIC "-//Recordare//DTD MusicXML 3.0 Partwise//EN" "http://www.musicxml.org/dtds/partwise.dtd"> <score-partwise version="3.0"> <part-list> <score-part id="P1"> <part-name>Music</part-name> </score-part> </part-list> <part id="P1"> <measure number="1"> <attributes> <divisions>1</divisions> <key> <fifths>0</fifths> </key> <time> <beats>4</beats> <beat-type>4</beat-type> </time> <clef> <sign>G</sign> <line>2</line> </clef> </attributes> <note> <pitch> <step>C</step> <octave>4</octave> </pitch> <duration>4</duration> <type>whole</type> </note> </measure> </part> </score-partwise> ' readStream. 3. and get DNU: SmallInteger>>asciiValue 'case of XMLZincClient>>#get: 'http://www.musicxml.com/dtds/partwise.dtd' timeout: ... onError: ... returns binaryStream? -- -- "NISHIHARA Satoshi" [:goonsh :nsh | ^ nishis perform: goonsh with: nsh]

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[ANN] JetStorm
by jannik.laval Dec. 27, 2013

Dec. 27, 2013

Hi all, Another announcement for Christmas. Do you know Lego MindStorms ? The last one is the Ev3 serie (http://www.lego.com/fr-fr/mindstorms/) One particularity of this version compared to the previous ones is the possibility to plug a Wifi key and connect via TCP. So, if you have this material (one Mindstorms Ev3, one compatible Wifi key), a wireshark to obtain the TCP port to connect to Ev3 (See the process here, only to understand why we need a wireshark to know the port: http://www.monobrick.dk/guides/how-to-establish-a-wifi-connection-with-the-…) Now, you can control your robot with Pharo ! Just load these lines: â Gofer it url: 'http://smalltalkhub.com/mc/JLaval/JetStorm/main' username: '' password: ''; package: 'ConfigurationOfJetStorm'; load. (Smalltalk at: #ConfigurationOfJetStorm) loadBleedingEdge. â I know also that for Christmas, it is not possible to learn a new API, we all have a lot of other things to do ! So, you can play with it into Phratch. For that, just load Phratch and the package EV3Phratch as following. â Gofer it url: 'http://smalltalkhub.com/mc/JLaval/Phratch/main' username: '' password: ''; package: 'ConfigurationOfPhratch'; load. (Smalltalk at: #ConfigurationOfPhratch) loadBleedingEdge. Gofer it url: 'http://smalltalkhub.com/mc/JLaval/JetStorm/main' username: '' password: ''; package: 'EV3Phratch'; load. â Have fun ! Jannik PS: for now, this package in prototype, it can change a lot and can have bugs. Do not hesitate to give feedbacks. PS2: I hope to write a doc for it !

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