Comments (4)
I noticed that UITabBarItem was declared style-able in the stylesheet wiki. I added a Naive implementation in the parser:didStartElement:
else if ( [viewClass isSubclassOfClass:UITabBarItem.class] ) {
viewBuilderBlock = ^UIView* (UIView* superview) {
UITabBarItem *tabBarItem = nil;
if ([self.fileOwner respondsToSelector:@selector(tabBarItem)]){
tabBarItem = [self.fileOwner tabBarItem];
tabBarItem.styleClassISS = styleClass;
}
return (UIView *)tabBarItem;
};
addSubview = NO;
}
but I observe that UITabBarItem is not a UIView, so all the UIView(InterfaCSS) category methods do not apply -- changing that category to NSObject(InterfaCSS) seems possible, but that seems like a very big change.
I'll note also that placing the tabbaritem in the xml also creates a condition that requires that the view must be loaded in order for the tabbaritem to be registered. This is different than what happens with regular nib. The UITabBarItem from a nib is loaded before loadView is loaded.
Did you have thoughts about how UITabBarItem and UINavigationItem would be declared and styled through markup?
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If I load the CSS before loadView I can accomplish styling of the tabbar item by overriding
- (UITabBarItem *)tabBarItem
{
[self loadStyles];
UITabBarItem *tabBarItem = [super tabBarItem];
tabBarItem.styleClassISS = @"foo";
[[InterfaCSS interfaCSS] applyStyling:tabBarItem includeSubViews:NO force:YES];
return tabBarItem;
}
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You can actually accomplish this by adding [[InterfaCSS sharedInstance] addStyleClass:@"foo" forUIElement:self.tabBarItem];
to loadView
of the view controller. Updated the sample code to illustrate this.
Tab bar items and navigation items (when used with UITabBarController/UINavigationController) are not something I've planned to add support for in the view definition file, since those require a bit of special handling. I may possibly add support for standalone toolbars and tab bars though.
The UIView(InterfaCSS)
category is actually only a convenience wrapper for the corresponding methods in class InterfaCSS
(that accepts objects of any class), and it exists because almost all styling of an application will be done on a UIView
subclass (and it also felt odd to "pollute" every single class in the platform with styling methods).
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Awesome - thanks.
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