On 8 Jan 2009, at 7:31 pm, Luke Evans wrote:
By way of further example, if you had a data model containing some objects that have, say, an NSColor property, and you want to paint a simple colour swatch in a custom cell, is there no simple way of binding the NSColor value to the cell and picking this up in the cell? Perhaps one has to resort to subclassing the control somehow to get richer forms of cell instantiation if this is needed???
I'm not sure how bindings affects the picture, but I've found that the limitations of the initWithImage;/initWithText: don't really matter. After all, you never call them, the table (column) does.
There is only one cell per column, and it "moves" from row to row as it is drawn. The dataSource set the cell's objectValue on the fly. The cell can access its own objectValue in its drawing methods and do whatever, and the objectValue can be anything at all, including some custom class of your own devising. I've had no trouble using NSColor here and other classes too.
I don't think the representedObject will help you in the case of a table view because of the single cell per column.
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