Editing tables

Hi,

I was looking at Dataset and Table widgets for the Gui, without  
getting what I want : editing a table in place with any number of rows  
or columns.
Any idea ?

Annick Fron


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You might have a look at the Grid widget; the API for adding rows/columns is much simpler.  Look in preview

James Robertson
Cincom Smalltalk Product Evangelist
http://www.cincomsmalltalk.com/blog/blogView
Talk Small and Carry a Big Class Library




On Mar 30, 2010, at 10:23 AM, Annick Fron wrote:


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Dear Annick,

try the Grid (in preview). Or the Aragon DataSet (in contributed).

HTH
Helge

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Von: [hidden email] [mailto:[hidden email]] Im Auftrag von Annick Fron
Gesendet: Dienstag, 30. März 2010 16:23
An: vwnc NC
Betreff: [vwnc] Editing tables

Hi,

I was looking at Dataset and Table widgets for the Gui, without  
getting what I want : editing a table in place with any number of rows  
or columns.
Any idea ?

Annick Fron


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many people use Aragon Widgets (with the Contributed packages). Cincom has Grid in preview, but I am not seeing much progress of this in the development builds.



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We've used the basic Table for years. There is a fix you need to avoid
errors when there are zero columns:

In TableView>>computeColumnInfo, change the nc = 0 line to:

        (nc = 0 or: [(columnWidths isKindOf: Collection) and:
[columnWidths isEmpty]])
                ifTrue: [^SortedCollection with: 0 with: 0].

The Table is substantially faster than DataSet, which was important for
us since we display quite large matrices.

It doesn't do editing in place, but adding it shouldn't be hard. Just
add an InputField to the windowSpec, initially invisible, and when a
table cell is clicked set its bounds to those of the cell and make it
visible. When editing in it finishes, accept the value into the cell and
hide it again.

Steve

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I already tried it, but the UI builder corrupted my image, so I  
dropped it.

Le 30 mars 10 à 16:33, James Robertson a écrit :




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