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Some more explanations.

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@41679 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
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Robert Roebling 2006-10-07 21:38:46 +00:00
parent b19add95cd
commit aa0576fe9f
1 changed files with 21 additions and 1 deletions
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22
docs/latex/wx/dataviewmodel.tex
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@ -44,7 +44,27 @@ You need to override \helpref{GetNumberOfRows}{wxdataviewlistmodelgetnumberofrow
\helpref{GetColType}{wxdataviewlistmodelgetcoltype} and
\helpref{GetValue}{wxdataviewlistmodelgetvalue} in order to
define the data model (which acts as an interface between
your actual data and the wxDataViewCtrl).
your actual data and the wxDataViewCtrl). Since you will
usually also allow the wxDataViewCtrl to change your data
through its graphical interface, you will also have to override
\helpref{SetValue}{wxdataviewlistmodelsetvalue} which the
wxDataViewCtrl will call when a change to some data has been
commited.
The data that is presented through this data model is expected
to change at run-time. You need to inform the data model that
a change happens. Depending on what happened you need to call
one of the following methods:
\helpref{ValueChanged}{wxdataviewlistmodelvaluechanged},
\helpref{RowChanged}{wxdataviewlistmodelrowchanged},
\helpref{RowAppended}{wxdataviewlistmodelrowappended},
\helpref{RowPrepended}{wxdataviewlistmodelrowprepended},
\helpref{RowInserted}{wxdataviewlistmodelrowinserted},
\helpref{RowDeleted}{wxdataviewlistmodelrowdeleted},
\helpref{RowsReordered}{wxdataviewlistmodelrowsreordered} or
\helpref{RowsCleared}{wxdataviewlistmodelcleared}.
wxDataViewModel and this class (as indeed the entire wxDataViewCtrl
code) is using \helpref{wxVariant}{wxvariant} to store data and