[vwnc] Aragon Dataset with dynamic column width

>
> hello,
>
> i changed my code.
> now i have the following 3 new methods:
>
> 1)
> postBuildWith: aBuilder
>         super postBuildWith: aBuilder.
>         aBuilder window whenAny: #(#resize) send: #windowHasResized
> to: self
>
> 2)
> windowHasResized
>         "Method that delegates the window resize events to the
> subcanvas-object"        
>         | aSubcanvasobject |
>         "Does the subcanvas exist?"
>         (self wrapperAt: #subc) notNil
>                 ifTrue:
>                         ["Get the subcanvas-object"
>                         aSubcanvasobject := self widgetAt: #subC.
>                         aSubcanvasobject client notNil
>                                 ifTrue:
>                                         [        "Delegate method call"
>                                                 aSubcanvasobject
> client windowHasResized.
>                                         ]
>                         ]
>
>
> 3)in the subcanvas-class:
> windowHasResized
>         "Add method to resize the columns when size of the window
> changed"        
>         | aDatasetobject i maxColumn totalWidth columnWidth|
>         (self wrapperAt: #theDataSet) isNil
>                 ifFalse:
>                         [aDatasetobject := self widgetAt: #theDataSet.
>                         i := 2.
>                         "number of the highest column:"
>                         maxColumn := 15.
>                        
>                         "calculate total width without first column
> which is the row selector"
>                         totalWidth := aDatasetobject bounds width - 30.0.
>                
>                         "set column width of each column. The first
> column (= row selector)
>                         will have always the size of 30 pixels"
>                         columnWidth := (( totalWidth / ( maxColumn -
> 1))) asFloat asInteger.
>                         [i <= maxColumn] whileTrue:
>                                 [
>                                 aDatasetobject
>                                         resizeColumnAt: i
>                                         width: columnWidth.
>                                         i := i +1.
>                                 ].
>                         aDatasetobject
>                                 invalidateRectangle: aDatasetobject bounds
>                                 repairNow: true]
>
>
> when i use #bounds then i get the change-event very often.
> but when i use #resize instead then i get the event when i make the
> window bigger. but i dont get the event when i make the window smaller
> again.
> do you know a solution?
>
> best regards,
>
> Peter Dziedzic
>
> --------------------------------------
>
> Carl Zeiss Industrielle Meßtechnik GmbH/ Industrial Metrology
> Softwareentwicklung/Software Development
>
> P e t e r  D z i e d z i c
>
> 73446 Oberkochen, Germany
> e-mail: [hidden email]
> http://www.zeiss.de/imt
>
> Carl Zeiss Industrielle Messtechnik GmbH
> Carl-Zeiss-Straße 22, 73447 Oberkochen
> Aufsichtsratsvorsitzender: Dr. Dieter Kurz
> Geschäftsführer: Dr. Rainer Ohnheiser, Felix Hoben, Hanspeter Mürle
> Sitz der Gesellschaft: 73446 Oberkochen, Deutschland
> Amtsgericht Ulm, HRB 501561, USt-IdNr.: DE 811 515 346
>
>
>
>
>
> *"Steven Kelly" <[hidden email]>*
> Gesendet von: [hidden email]
>
> 27.04.2009 12:58
>
>
> An
> <[hidden email]>
> Kopie
>
> Thema
> Re: [vwnc] Aragon Dataset with dynamic column width
>
>
>
>
>
>
>
>
>
> I use the #resize event, not #bounds; maybe #resize events are
> collapsed whereas #bounds are sent for each pixel?
>  
> An alternative possible workaround for Windows: Control Panel |
> Display | Appearance tab | Effects… | Show window contents while
> dragging: OFF.
>  
> Steve
>  
> *From:* [hidden email] [mailto:[hidden email]] *On
> Behalf Of *Rob Vens*
> Sent:* 27 April 2009 11:52*
> Cc:* [hidden email]*
> Subject:* Re: [vwnc] Aragon Dataset with dynamic column width
>  
> A solution is to remember oldBounds and test whether the newBounds is
> different from oldBounds, and only refresh when there is a significant
> difference. I am sure there is a way to optimise this even further. I
> vaguely remember that bounds events can be collapsed, meaning that we
> only process the event when you are done resizing, not all the while
> when you are resizing a window. Anyone on the list can help us out
> with this?
> 2009/4/27 Dziedzic, Peter <_p.dziedzic@zeiss.de_
> <mailto:[hidden email]>>
>
> hello,
>
> thanks for your solution.
> this solution works very nice.
> but i have one "little" problem with this solution.
> when i change the size of the window then i get the bounds-event very
> often.
> therefore my windowHasResized-method will be called very often and
> sometimes the column-width will be refreshed quite often.
> do you know a  solution for this problem too?
>
>
>
> best regards,
>
> Peter
>
> --------------------------------------
>
> Carl Zeiss Industrielle Meßtechnik GmbH/ Industrial Metrology
> Softwareentwicklung/Software Development
>
> P e t e r  D z i e d z i c
>
> 73446 Oberkochen, Germany
> e-mail: _p.dziedzic@zeiss.de_ <mailto:[hidden email]>_
> __http://www.zeiss.de/imt_
>
> Carl Zeiss Industrielle Messtechnik GmbH
> Carl-Zeiss-Straße 22, 73447 Oberkochen
> Aufsichtsratsvorsitzender: Dr. Dieter Kurz
> Geschäftsführer: Dr. Rainer Ohnheiser, Felix Hoben, Hanspeter Mürle
> Sitz der Gesellschaft: 73446 Oberkochen, Deutschland
> Amtsgericht Ulm, HRB 501561, USt-IdNr.: DE 811 515 346
>
>
>
> *Rob Vens <**_rob@sepher.nl_* <mailto:[hidden email]>*>*
> Gesendet von: _rob@sepher.nl_ <mailto:[hidden email]>
>
> 23.04.2009 11:47
>
>
> An
> "Dziedzic, Peter" <_p.dziedzic@zeiss.de_ <mailto:[hidden email]>>
> Kopie
> [hidden email].edu_ <mailto:[hidden email]>
> Thema
> Re: [vwnc] Aragon Dataset with dynamic column width
>
>
>  
>
>
>
>
>
>
>
>
>
>
> This is how I did this. In your application, add this code:
>
> postBuildWith: aBuilder
>
> super postBuildWith: aBuilder.
> ...
> aBuilder window
> whenAny: #(#bounds)
> send: #windowHasResized
> to: self
>
> Then you need to implement the following method in your application,
> of course depending on your dataset your column size determination
> algorithm will differ.
>
> windowHasResized
> | yourWidget |
> (self wrapperAt: #yourView) isNil
> ifFalse:
> [yourWidget := self widgetAt: #yourView.
> yourWidget resizeColumnAt: 5 width: yourWidget bounds width - 530.
> yourWidget invalidateRectangle: yourWidget bounds repairNow: true]
>
> or something similar. I do this a bit differently, because I have
> embedded applications (subcanvases) but this just means delegating the
> windowHasResized message to the subcanvas.
> Success!
>
>
> 2009/4/23 Dziedzic, Peter <_p.dziedzic@zeiss.de_
> <mailto:[hidden email]>>
>
> Hello,
>
> I have a problem and i dont know how to solve it.
> i use a Aragon Dataset and i want to have a dynamic column-size of the
> dataset.
> i want that when the user makes the window bigger (= resize) then the
> dataset and each of its columns should become proportional bigger.
> in default only the dataset becomes bigger. but the columns still have
> the same size.
>
> maybe some did this already and knows a good solution?
> thanks for your help.
>
> best regards,
>
> Peter
> --------------------------------------
>
> Carl Zeiss Industrielle Meßtechnik GmbH/ Industrial Metrology
> Softwareentwicklung/Software Development
>
> P e t e r  D z i e d z i c
>
> 73446 Oberkochen, Germany
> e-mail: _p.dziedzic@zeiss.de_ <mailto:[hidden email]>_
> __http://www.zeiss.de/imt_
>
> Carl Zeiss Industrielle Messtechnik GmbH
> Carl-Zeiss-Straße 22, 73447 Oberkochen
> Aufsichtsratsvorsitzender: Dr. Dieter Kurz
> Geschäftsführer: Dr. Rainer Ohnheiser, Felix Hoben, Hanspeter Mürle
> Sitz der Gesellschaft: 73446 Oberkochen, Deutschland
> Amtsgericht Ulm, HRB 501561, USt-IdNr.: DE 811 515 346
>
>
>
>
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