On Apr 15, 2013, at 7:20 AM, Koen van der Drift <koenvanderdr...@gmail.com>
wrote:
> The reason I was using drawRect is that my cell contains some text, plus a
> small graph (a few changing lines, so I cannot use an static image) at the
> bottom. Therefore I was using CoreGraphics, and I decided then to also draw
> the strings that way.
>
> Even if I use labels for the strings (which I agree is much easier and
> customizable), then I still would need a subview for the bottom half of my
> contentView to draw in the graph. Unless there is another solution?
I'm having some troubles with the custom view to draw my graph in.
I created a xib for my cell with a bunch of labels and a UIView, as well as a
UIView subclass (MyCustomView), where in the drawRect method I draw the graph.
The UIView in the xib is set to the Class MYCustomView.
In the UITableViewController I added the following to set up the cell:
- (UITableViewCell *)tableView:(UITableView *)tableView
cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
MyCustomCell *cell = [tableView dequeueReusableCellWithIdentifier:
@"MyCell"];
if (!cell)
{
cell = [[MyCustomCell alloc] initWithStyle: UITableViewCellStyleDefault
reuseIdentifier: @"MyCell"];
cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;
}
MyObject *o = [self.myArray objectAtIndex: [indexPath row]];
cell.labelOne.text = o.name;
cell.labelTwo.text = o.info;
cell.myCustomView.object = o;
return cell;
}
And then in drawRect of MyCustomView I extract the info from the object to
setup the draw parameters and draw my graph.
Now the first few cells are drawn ok, but after that, I see the graph based on
the info from an object that has already been drawn. If I put in an NSLog in
drawRect, I indeed see that this is called only a few times, and after that not
anymore. But labelOne and labelTwo are fine for all cells and called all the
time.
Why is drawRect only called for the first couple of cells, and after that not
anymore?
Thanks,
- Koen.
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