app/lib/table_screen_patches/searchable_patch.rb
module ProMotion
module Table
module Searchable
def search_controller
@search_controller ||= UISearchController.alloc.initWithSearchResultsController(nil)
end
def make_searchable(params = nil) # params argument is deprecated. No longer need to use it.
params = get_searchable_params
self.definesPresentationContext = true
search_controller.delegate = params[:delegate]
search_controller.searchResultsUpdater = params[:search_results_updater]
search_controller.hidesNavigationBarDuringPresentation = params[:hides_nav_bar]
search_controller.dimsBackgroundDuringPresentation = params[:obscures_background] # iOS 8+ (not deprecated yet)
# search_controller.obscuresBackgroundDuringPresentation = params[:obscures_background] # iOS 9.1+ recommends using this instead of dimsBackgroundDuringPresentation
search_bar = search_controller.searchBar
search_bar.delegate = params[:search_bar_delegate]
search_bar.placeholder = NSLocalizedString(params[:placeholder], nil) if params[:placeholder]
if params[:scopes]
@scopes = params[:scopes]
search_bar.scopeButtonTitles = @scopes
end
if navigationItem && navigationItem.respond_to?(:setSearchController)
# For iOS 11 and later, we place the search bar in the navigation bar.
navigationItem.searchController = search_controller
navigationItem.hidesSearchBarWhenScrolling = params[:hides_search_bar_when_scrolling]
else
# For iOS 10 and earlier, we place the search bar in the table view's header.
search_bar.autoresizingMask = UIViewAutoresizingFlexibleWidth
tableView.tableHeaderView = search_bar
if params[:hide_initially]
tableView.contentOffset = CGPointMake(0, search_bar.frame.size.height)
end
end
@search_controller = search_controller
end
def get_searchable_params
params = self.class.get_searchable_params.dup
# support camelCase params
params[:search_results_updater] ||= params[:searchResultsUpdater]
params[:hides_nav_bar] = params[:hidesNavigationBarDuringPresentation] if params[:hides_nav_bar].nil?
params[:obscures_background] = params[:obscuresBackgroundDuringPresentation] if params[:obscures_background].nil?
params[:hides_search_bar_when_scrolling] = params[:hidesSearchBarWhenScrolling] if params[:hides_search_bar_when_scrolling].nil?
params[:delegate] ||= self
params[:search_results_updater] ||= self
params[:search_bar_delegate] ||= self
params[:hides_nav_bar] = true if params[:hides_nav_bar].nil?
params[:obscures_background] = false if params[:obscures_background].nil?
params[:hides_search_bar_when_scrolling] = false if params[:hides_search_bar_when_scrolling].nil?
params
end
######### UISearchControllerDelegate methods #######
def willPresentSearchController(search_controller)
search_controller.delegate.will_begin_search if search_controller.delegate.respond_to? "will_begin_search"
end
def willDismissSearchController(search_controller)
search_controller.delegate.will_end_search if search_controller.delegate.respond_to? "will_end_search"
end
######### UISearchResultsUpdating protocol methods #########
def updateSearchResultsForSearchController(search_controller)
search_text = search_controller.searchBar.text
if search_text.empty?
promotion_table_data.clear_filter
else
promotion_table_data.search(search_text)
end
table_view.reloadData
end
def searchBar(search_bar, selectedScopeButtonIndexDidChange: selected_scope_index)
try :did_change_selected_scope, selected_scope_index
end
end
end
end