You may need to use setOutlineTableColumn: method to set the outline column
specifically.
On Mar 8, 2010, at 1:07 PM, Zack Bartel wrote:
> Hi Everyone,
>
> I am trying to create an NSOutlineView programmatically inside of an
> NSDrawer. I am using the example datasource from
> /Developer/Examples/AppKit/OutlineView the "FileSystemItem".
> My issue is that although the root item is displayed in the OutlineView, it
> is not expandable and does not show any of the children. The datasource is
> identical to the one in the Apple example so I'm guessing my issue is the way
> I am creating the NSOutlineView in code rather than in IB. The result is that
> I see an outlineview with one item (the root item) with one table column
> header and no expand icons. If anyone can see something I'm doing wrong I
> would very much appreciate the help
> My code is attached.
>
> Thank you ahead of time!
> Zack
>
>
> NSView *contentView = [win contentView];
> [contentView setAutoresizesSubviews:YES];
>
>
> outlineView = [[NSOutlineView alloc] initWithFrame: [contentView frame]];
>
> //DataSource. code is attached below
> ZBFSDataSource *ds = [[ZBFSDataSource alloc] init];
> [outlineView setDataSource: ds];
>
>
> NSTableColumn *c = [[NSTableColumn alloc] initWithIdentifier: @"NAME"];
> [c setEditable: NO];
> [c setMinWidth: 150.0];
> [outlineView addTableColumn: c];
> [c release];
>
> [outlineView reloadData];
>
> scrollView = [[NSScrollView alloc] initWithFrame: [outlineView frame]];
> [scrollView setDocumentView: outlineView];
> [scrollView setAutoresizesSubviews: YES];
>
> NSDrawer *drawer = [[NSDrawer alloc] initWithContentSize:NSMakeSize(200.0,
> 400.0) preferredEdge:NSMinXEdge];
> [drawer setParentWindow: win];
> [drawer setContentView: scrollView];
> [drawer open];
>
>
> DataSource:
>
> - (NSInteger)outlineView:(NSOutlineView *)outlineView
> numberOfChildrenOfItem:(id)item {
> return (item == nil) ? 1 : [item numberOfChildren];
> }
>
> - (BOOL)outlineView:(NSOutlineView *)outlineView isItemExpandable:(id)item {
> return (item == nil) ? YES : ([item numberOfChildren] != -1);
> }
>
> - (id)outlineView:(NSOutlineView *)outlineView child:(NSInteger)index
> ofItem:(id)item {
> return (item == nil) ? [FileSystemItem rootItem] : [(FileSystemItem *)item
> childAtIndex:index];
> }
>
> - (id)outlineView:(NSOutlineView *)outlineView
> objectValueForTableColumn:(NSTableColumn *)tableColumn byItem:(id)item {
> return (item == nil) ? @"/" : (id)[item relativePath];
> }
>
>
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