module ProMotion class TabBarController < UITabBarController def self.new(*screens) tab_bar_controller = alloc.init screens = screens.flatten.map { |s| s.respond_to?(:new) ? s.new : s } # Initialize any classes tag_index = 0 view_controllers = screens.map do |s| s.tabBarItem.tag = tag_index s.tab_bar = WeakRef.new(tab_bar_controller) if s.respond_to?("tab_bar=") tag_index += 1 s.navigationController || s end tab_bar_controller.viewControllers = view_controllers tab_bar_controller end def open_tab(tab) if tab.is_a? String selected_tab_vc = find_tab(tab) elsif tab.is_a? Numeric selected_tab_vc = viewControllers[tab] end if selected_tab_vc self.selectedViewController = selected_tab_vc else PM.logger.error "Unable to open tab #{tab.to_s} -- not found." nil end end def find_tab(tab_title) viewControllers.find { |vc| vc.tabBarItem.title == tab_title } end # Cocoa touch methods below def shouldAutorotate current_view_controller_try(:shouldAutorotate) end def supportedInterfaceOrientations current_view_controller_try(:supportedInterfaceOrientations) end def preferredInterfaceOrientationForPresentation current_view_controller_try(:preferredInterfaceOrientationForPresentation) end private def current_view_controller selectedViewController || viewControllers.first end def current_view_controller_try(method, *args) current_view_controller.send(method, *args) if current_view_controller.respond_to?(method) end end end