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using System.Collections.Generic;
using System.Windows.Input;
using Xamarin.Forms.PlatformConfiguration;
using Xamarin.Forms.PlatformConfiguration.iOSSpecific;
namespace Xamarin.Forms.Controls.GalleryPages.PlatformSpecificsGalleries
{
public class MasterDetailPageiOS : MasterDetailPage
{
public MasterDetailPageiOS(ICommand restore)
{
MasterBehavior = MasterBehavior.Popover;
var master = new ContentPage { Title = "Master Detail Page" };
var masterContent = new StackLayout { Spacing = 10, Margin = new Thickness(0, 10, 5, 0) };
var detail = new ContentPage
{
Title = "This is the detail page's Title",
Padding = new Thickness(0,20,0,0)
};
var navItems = new List<NavItem>
{
new NavItem("Display Alert", "\uE171", new Command(() => DisplayAlert("Alert", "This is an alert", "OK"))),
new NavItem("Return To Gallery", "\uE106", restore),
new NavItem("Save", "\uE105", new Command(() => DisplayAlert("Save", "Fake save dialog", "OK"))),
new NavItem("Audio", "\uE189", new Command(() => DisplayAlert("Audio", "Never gonna give you up...", "OK"))),
new NavItem("Set Detail to Navigation Page", "\uE16F", new Command(() => Detail = CreateNavigationPage())),
new NavItem("Set Detail to Content Page", "\uE160", new Command(() => Detail = detail)),
};
var navList = new NavList(navItems);
masterContent.Children.Add(navList);
master.Content = masterContent;
var detailContent = new StackLayout {
VerticalOptions = LayoutOptions.Center,
HorizontalOptions = LayoutOptions.Center,
Children =
{
new Label
{
Text = "This is a ContentPage with StatusBarHiddenMode.True"
}
}
};
detail.Content = detailContent;
Master = master;
detail.On<iOS>().SetPrefersStatusBarHidden(StatusBarHiddenMode.True);
Detail = detail;
}
public class NavItem
{
public NavItem(string text, string icon, ICommand command)
{
Text = text;
Icon = icon;
Command = command;
}
public ICommand Command { get; set; }
public string Icon { get; set; }
public string Text { get; set; }
}
public class NavList : ListView
{
public NavList(IEnumerable<NavItem> items)
{
ItemsSource = items;
ItemTapped += (sender, args) => (args.Item as NavItem)?.Command.Execute(null);
ItemTemplate = new DataTemplate(() =>
{
var grid = new Grid();
grid.ColumnDefinitions.Add(new ColumnDefinition { Width = 48 });
grid.ColumnDefinitions.Add(new ColumnDefinition { Width = 200 });
grid.Margin = new Thickness(0, 10, 0, 10);
var text = new Label
{
VerticalOptions = LayoutOptions.Fill
};
text.SetBinding(Label.TextProperty, "Text");
var glyph = new Label
{
FontSize = 24,
HorizontalTextAlignment = TextAlignment.Center
};
glyph.SetBinding(Label.TextProperty, "Icon");
grid.Children.Add(glyph);
grid.Children.Add(text);
Grid.SetColumn(glyph, 0);
Grid.SetColumn(text, 1);
grid.WidthRequest = 48;
var cell = new ViewCell
{
View = grid
};
return cell;
});
}
}
static NavigationPage CreateNavigationPage()
{
var page = new NavigationPage { Title = "This is the Navigation Page Title" };
page.PushAsync(CreateNavSubPage());
return page;
}
static ContentPage CreateNavSubPage()
{
var page = new ContentPage();
var content = new StackLayout();
var navigateButton = new Button() { Text = "Push Another Page" };
navigateButton.Clicked += (sender, args) => page.Navigation.PushAsync(CreateNavSubPage());
var togglePrefersStatusBarHiddenButtonForPageButton = new Button
{
Text = "Toggle PrefersStatusBarHidden for Page"
};
var togglePreferredStatusBarUpdateAnimationButton = new Button
{
Text = "Toggle PreferredStatusBarUpdateAnimation"
};
togglePrefersStatusBarHiddenButtonForPageButton.Command = new Command(() =>
{
var mode = page.On<iOS>().PrefersStatusBarHidden();
if (mode == StatusBarHiddenMode.Default)
page.On<iOS>().SetPrefersStatusBarHidden(StatusBarHiddenMode.True);
else if (mode == StatusBarHiddenMode.True)
page.On<iOS>().SetPrefersStatusBarHidden(StatusBarHiddenMode.False);
else
page.On<iOS>().SetPrefersStatusBarHidden(StatusBarHiddenMode.Default);
});
togglePreferredStatusBarUpdateAnimationButton.Command = new Command(() =>
{
var animation = page.On<iOS>().PreferredStatusBarUpdateAnimation();
if (animation == UIStatusBarAnimation.Fade)
page.On<iOS>().SetPreferredStatusBarUpdateAnimation(UIStatusBarAnimation.Slide);
else if (animation == UIStatusBarAnimation.Slide)
page.On<iOS>().SetPreferredStatusBarUpdateAnimation(UIStatusBarAnimation.None);
else
page.On<iOS>().SetPreferredStatusBarUpdateAnimation(UIStatusBarAnimation.Fade);
});
content.Children.Add(navigateButton);
content.Children.Add(togglePrefersStatusBarHiddenButtonForPageButton);
content.Children.Add(togglePreferredStatusBarUpdateAnimationButton);
page.Content = content;
return page;
}
}
}
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