Treeview with checkbox selectable items?

wxPython Users
1

Can anyone point me to a sample (or a larger open source app)
in python that provides a treeview with tristate checkboxed
item selection state? I would like to review any available
source code to see how this is done in wxPython-2.4.0.6.

I need to implement something functionally similar to the
backup file selectors in Windows' backup utility. (For the
same purpose, actually, to keep a tagged list data file of
selected folders and files to processes in a batch job) These
types of programs give a directory treeview in the left panel
and a folder contents listview on the right. Each node in both
views offers a selection control, usually a checkbox or icon.

Both tree and list view panes use tristate checkboxes to
indicate selection state for a given item. Clear indicates no
selection in this or child nodes, checked indicates selection
of this and all child nodes. A third state (usually a greyed
checked checkbox) indicates that some child nodes are
selected, but this node is not fully selected

Any pointers to source or other implementation hints would be
greatly appreciated, thanks.

2

Jeff Kowalczyk wrote:

Both tree and list view panes use tristate checkboxes to
indicate selection state for a given item. Clear indicates no
selection in this or child nodes, checked indicates selection
of this and all child nodes. A third state (usually a greyed
checked checkbox) indicates that some child nodes are
selected, but this node is not fully selected

Any pointers to source or other implementation hints would be
greatly appreciated, thanks.

I don't have any samples handy but the way to do this would be to have a bitmap for each state of the checkbox and load them all into the tree or lists imagelist. Then just change the image id for each item as needed.

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Robin Dunn
Software Craftsman
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