public GraphicIconButton()
{
HeightRequest = 44;
WidthRequest = 44;
icon = new NControlView {
DrawingFunction = DrawIcon,
};
circle = new NControlView {
DrawingFunction = DrawCircle,
};
Content = new Grid {
Children = {
circle,
icon,
},
};
OnInvalidate += (sender, e) =>
{
circle.Invalidate();
icon.Invalidate();
};
}
public CardPageDemo()
{
Title = "CardPage";
var raiseExceptionButton = new NControlView
{
BackgroundColor = Color.Red,
HeightRequest = 300,
Content = new Label { Text = "Click to raise exception" },
};
raiseExceptionButton.OnTouchesBegan += (s, e) => { throw new InvalidOperationException("Whoopps"); };
Content = new StackLayout{
Padding = 24,
Children = {
new Button {
BackgroundColor = Color.Transparent,
Text = "Show",
Command = ShowCardPageCommand
},
new Button {
Text = "Show from Modal Page",
Command = new Command(async () => {
await Application.Current.MainPage.Navigation.PushModalAsync(
new NavigationPage(
new ContentPage{
Title = "Navigation",
Content = new StackLayout{
Children = {
new Button{
VerticalOptions = LayoutOptions.Center,
HorizontalOptions = LayoutOptions.Center,
HeightRequest = 44,
Text = "Show Card",
Command = ShowCardPageCommand
},
new Button{
VerticalOptions = LayoutOptions.Center,
HorizontalOptions = LayoutOptions.Center,
HeightRequest = 44,
Text = "Close",
Command = new Command(async () => {
await Application.Current.MainPage.Navigation.PopModalAsync();
})
}
}
}
})
);
})
},
raiseExceptionButton
}
};
}
/// <summary>
/// Initializes a new instance of the <see cref="NControl.iOS.UITouchesGestureRecognizer"/> class.
/// </summary>
/// <param name="element">Element.</param>
/// <param name="nativeView">Native view.</param>
public UITouchesGestureRecognizer(NControlView element, UIView nativeView)
{
if (null == element)
{
throw new ArgumentNullException("element");
}
if (null == nativeView)
{
throw new ArgumentNullException("nativeView");
}
_element = element;
_nativeView = nativeView;
}
/// <summary>
/// Initializes a new instance of the <see cref="NControl.Controls.CardPage"/> class.
/// </summary>
public CardPage()
{
// Get helper
_platformHelper = DependencyService.Get<ICardPageHelper> ();
if(_platformHelper == null)
throw new InvalidOperationException("Error loading NControls - did you remember to call " +
"NControls.Init() in your platform startup code?");
CardPadding = new Thickness (40, 100, 40, 200);
BackgroundColor = Color.Transparent;
NavigationPage.SetHasNavigationBar (this, false);
NavigationPage.SetHasBackButton (this, false);
_layout = new RelativeLayout ();
base.Content = _layout;
// Card
_contentView = new RoundCornerView {
BackgroundColor = Color.White,
CornerRadius = 4,
};
_overlay = new BoxView {
BackgroundColor = Color.Black,
Opacity = 0.0F,
};
_layout.Children.Add (_overlay, () => _layout.Bounds);
_layout.Children.Add(_contentView, ()=> new Rectangle (
(_platformHelper.ControlAnimatesItself ? CardPadding.Left : 0),
(_platformHelper.ControlAnimatesItself ? CardPadding.Top :0),
_layout.Width - (_platformHelper.ControlAnimatesItself ? (CardPadding.Right + CardPadding.Left) : 0),
_layout.Height - (_platformHelper.ControlAnimatesItself ? (CardPadding.Bottom + CardPadding.Top) : 0)));
if(_platformHelper.ControlAnimatesItself)
_contentView.TranslationY = _platformHelper.GetScreenSize().Height - (CardPadding.Top);
// Add tap
_overlay.GestureRecognizers.Add (new TapGestureRecognizer {
Command = new Command(async () => await CloseAsync())
});
}
/// <summary>
/// Initializes a new instance of the
/// <see cref="NControlDemo.Forms.Xamarin.Plugins.FormsApp.Controls.CircularButtonControl"/> class.
/// </summary>
public CircularButtonControl()
{
HeightRequest = 44;
WidthRequest = 44;
_label = new FontAwesomeLabel
{
Text = FontAwesomeLabel.FAAdjust,
TextColor = Xamarin.Forms.Color.White,
FontSize = 17,
BackgroundColor = Xamarin.Forms.Color.Transparent,
XAlign = Xamarin.Forms.TextAlignment.Center,
YAlign = Xamarin.Forms.TextAlignment.Center,
};
_circles = new NControlView {
DrawingFunction = (canvas1, rect) => {
var fillColor = new NGraphics.Color(FillColor.R,
FillColor.G, FillColor.B, FillColor.A);
canvas1.FillEllipse(rect, fillColor);
rect.Inflate(new NGraphics.Size(-2, -2));
canvas1.FillEllipse(rect, Colors.White);
rect.Inflate(new NGraphics.Size(-4, -4));
canvas1.FillEllipse(rect, fillColor);
}
};
Content = new Grid{
Children = {
_circles,
_label,
}
};
}
/// <summary>
/// Initializes a new instance of the <see cref="Unizite.FormsApp.Controls.CalendarView"/> class.
/// </summary>
public CalendarView()
{
_currentMonth = GetFirstDayInMonth(DateTime.Now);
// Layout
var layout = new StackLayout { Spacing = 0 , VerticalOptions = LayoutOptions.FillAndExpand};
// Header
_monthYearLabel = new Label {
FontAttributes = FontAttributes.Bold,
HorizontalOptions = LayoutOptions.CenterAndExpand,
VerticalOptions = LayoutOptions.CenterAndExpand,
XAlign = TextAlignment.Center,
YAlign = TextAlignment.Center,
HeightRequest = TopHeight,
};
// Prev month
var prevMonthBtn = new RippleButton {
BackgroundColor = Color.Transparent,
FontFamily = FontAwesomeLabel.FontAwesomeName,
HorizontalOptions = LayoutOptions.Start,
VerticalOptions = LayoutOptions.CenterAndExpand,
HeightRequest = TopHeight,
WidthRequest = 34,
TextColor = Color.FromHex("#AAAAAA"),
Text = FontAwesomeLabel.FAChevronLeft,
};
prevMonthBtn.Command = new Command(
(obj) =>
{
_currentMonth = _currentMonth.AddMonths(-1);
UpdateCalendar();
},
(obj) => _currentMonth > MinDate - MinDate.TimeOfDay);
// Next month
var nextMonthBtn = new RippleButton{
BackgroundColor = Color.Transparent,
FontFamily = FontAwesomeLabel.FontAwesomeName,
HorizontalOptions = LayoutOptions.End,
VerticalOptions = LayoutOptions.CenterAndExpand,
HeightRequest = TopHeight,
WidthRequest = 34,
TextColor = Color.FromHex("#AAAAAAA"),
Text = FontAwesomeLabel.FAChevronRight,
};
nextMonthBtn.Command = new Command(
(obj) =>
{
_currentMonth = _currentMonth.AddMonths(1);
UpdateCalendar();
},
(obj) => _currentMonth.AddMonths(1) <= MaxDate);
var headerLayout = new StackLayout {
Orientation = StackOrientation.Horizontal,
HorizontalOptions = LayoutOptions.FillAndExpand,
Children = {
prevMonthBtn, _monthYearLabel, nextMonthBtn
}
};
layout.Children.Add(headerLayout);
// Day names
var dayNames = CultureInfo.CurrentCulture.DateTimeFormat.AbbreviatedDayNames;
var firstDayOfWeek = CultureInfo.CurrentCulture.DateTimeFormat.FirstDayOfWeek;
var dayGrid = new Grid {
HeightRequest = DayNamesHeight,
};
var currentWeekDay = firstDayOfWeek;
for (var d = 0; d < 7; d++) {
var label = new Label{
BackgroundColor= Color.Transparent,
XAlign = TextAlignment.Center,
YAlign = TextAlignment.Center,
Text = dayNames[(int)currentWeekDay]
};
_dayNameLabels [d] = label;
currentWeekDay++;
if((int)currentWeekDay == 7)
currentWeekDay = 0;
dayGrid.Children.Add (label, d, 0);
}
layout.Children.Add(dayGrid);
// Calendar
_calendar = new NControlView{
DrawingFunction = DrawCalendar
};
var calendarLayout = new AbsoluteLayout {
VerticalOptions = LayoutOptions.FillAndExpand,
HorizontalOptions = LayoutOptions.FillAndExpand};
calendarLayout.Children.Add(_calendar);
AbsoluteLayout.SetLayoutBounds(_calendar, new Rectangle(0f, 0f, 1f, 1f));
AbsoluteLayout.SetLayoutFlags(_calendar, AbsoluteLayoutFlags.All);
var dayNumberGrid = CreateDayNumberGrid();
calendarLayout.Children.Add(dayNumberGrid);
AbsoluteLayout.SetLayoutBounds(dayNumberGrid, new Rectangle(0f, 0f, 1f, 1f));
AbsoluteLayout.SetLayoutFlags(dayNumberGrid, AbsoluteLayoutFlags.All);
// Ellipse
_ellipse = new NControlView {
BackgroundColor = Color.Transparent,
DrawingFunction = (canvas, rect) =>{
var h = Math.Min(rect.Width, rect.Height);
var dx = (rect.Width - h)/2;
var dy = (rect.Height - h)/2;
var r = new NGraphics.Rect(dx, dy, h, h);
canvas.DrawEllipse(r, null,
new NGraphics.SolidBrush(Color.FromHex("#DDDDDD").ToNColor()));
},
Scale = 0.0,
};
calendarLayout.Children.Add(_ellipse);
AbsoluteLayout.SetLayoutBounds(_ellipse, new Rectangle(0f, 0f, 1/7f, 1/6f));
AbsoluteLayout.SetLayoutFlags(_ellipse, AbsoluteLayoutFlags.All);
layout.Children.Add(calendarLayout);
Content = layout;
}
/// <summary>
/// Initializes a new instance of the <see cref="NControl.Controls.RippleButton"/> class.
/// </summary>
public RippleControl ()
{
HeightRequest = 44;
var layout = new RelativeLayout ();
Content = layout;
IsClippedToBounds = true;
_ellipse = new NControlView {
BackgroundColor = Color.Transparent,
DrawingFunction = (canvas, rect) =>{
canvas.DrawEllipse(rect, null, new NGraphics.SolidBrush(RippleColor.ToNColor()));
},
Scale = 0.0,
};
layout.Children.Add (_ellipse, () => new Rectangle (
(layout.Width / 2) - (Math.Max(layout.Width, layout.Height) / 2),
(layout.Height / 2) - (Math.Max(layout.Width, layout.Height) / 2),
Math.Max(layout.Width, layout.Height),
Math.Max(layout.Width, layout.Height)));
}
/// <summary>
/// Initializes a new instance of the <see cref="Unizite.FormsApp.Controls.CalendarView"/> class.
/// </summary>
public CalendarView()
{
// Layout
var layout = new RelativeLayout ();
// Header
_monthYearLabel = new Label {
FontAttributes = FontAttributes.Bold,
HorizontalOptions = LayoutOptions.CenterAndExpand,
VerticalOptions = LayoutOptions.CenterAndExpand,
XAlign = TextAlignment.Center,
YAlign = TextAlignment.Center,
HeightRequest = TopHeight,
};
_monthYearLabel.SetBinding (Label.TextProperty, MonthYearStringProperty.PropertyName);
// Prev month
var prevMonthBtn = new RippleButton {
BackgroundColor = Color.Transparent,
FontFamily = FontAwesomeLabel.FontAwesomeName,
HorizontalOptions = LayoutOptions.Start,
VerticalOptions = LayoutOptions.CenterAndExpand,
HeightRequest = TopHeight,
WidthRequest = 34,
TextColor = Color.FromHex("#AAAAAA"),
Text = FontAwesomeLabel.FAChevronLeft,
};
prevMonthBtn.Command = new Command((obj) =>
this.SelectedDate = this.SelectedDate.AddMonths (-1));
// Next month
var nextMonthBtn = new RippleButton{
BackgroundColor = Color.Transparent,
FontFamily = FontAwesomeLabel.FontAwesomeName,
HorizontalOptions = LayoutOptions.End,
VerticalOptions = LayoutOptions.CenterAndExpand,
HeightRequest = TopHeight,
WidthRequest = 34,
TextColor = Color.FromHex("#AAAAAAA"),
Text = FontAwesomeLabel.FAChevronRight,
};
nextMonthBtn.Command = new Command((obj) =>
this.SelectedDate = this.SelectedDate.AddMonths (1));
var headerLayout = new StackLayout {
Orientation = StackOrientation.Horizontal,
HorizontalOptions = LayoutOptions.FillAndExpand,
Children = {
prevMonthBtn, _monthYearLabel, nextMonthBtn
}
};
layout.Children.Add (headerLayout, ()=> new Rectangle(0, 0,
layout.Width, TopHeight));
// Day names
var dayNames = CultureInfo.CurrentCulture.DateTimeFormat.AbbreviatedDayNames;
var firstDayOfWeek = CultureInfo.CurrentCulture.DateTimeFormat.FirstDayOfWeek;
var dayGrid = new Grid {
HeightRequest = DayNamesHeight,
};
var currentWeekDay = firstDayOfWeek;
for (var d = 0; d < 7; d++) {
var label = new Label{
BackgroundColor= Color.Transparent,
XAlign = TextAlignment.Center,
YAlign = TextAlignment.Center,
Text = dayNames[(int)currentWeekDay]
};
_dayNameLabels [d] = label;
currentWeekDay++;
if((int)currentWeekDay == 7)
currentWeekDay = 0;
dayGrid.Children.Add (label, d, 0);
}
layout.Children.Add(dayGrid, ()=> new Rectangle (0, TopHeight,
layout.Width, DayNamesHeight));
// Calendar
_calendar = new NControlView{
DrawingFunction = DrawCalendar,
};
layout.Children.Add (_calendar, ()=> new Rectangle (
0, TopHeight+DayNamesHeight,
layout.Width, layout.Height - (TopHeight + DayNamesHeight)));
// Day Number Labels
var lc = 0;
var dayNumberGrid = new Grid {
ColumnSpacing = 0, RowSpacing = 0, Padding = 0,
ColumnDefinitions = {
new ColumnDefinition{Width = new GridLength(100.0/7.0, GridUnitType.Star) },
new ColumnDefinition{Width = new GridLength(100.0/7.0, GridUnitType.Star) },
new ColumnDefinition{Width = new GridLength(100.0/7.0, GridUnitType.Star) },
new ColumnDefinition{Width = new GridLength(100.0/7.0, GridUnitType.Star) },
new ColumnDefinition{Width = new GridLength(100.0/7.0, GridUnitType.Star) },
new ColumnDefinition{Width = new GridLength(100.0/7.0, GridUnitType.Star) },
new ColumnDefinition{Width = new GridLength(100.0/7.0, GridUnitType.Star) },
},
RowDefinitions = {
new RowDefinition{ Height = new GridLength(100.0/5.0, GridUnitType.Star) },
new RowDefinition{ Height = new GridLength(100.0/5.0, GridUnitType.Star) },
new RowDefinition{ Height = new GridLength(100.0/5.0, GridUnitType.Star) },
new RowDefinition{ Height = new GridLength(100.0/5.0, GridUnitType.Star) },
new RowDefinition{ Height = new GridLength(100.0/5.0, GridUnitType.Star) },
new RowDefinition{ Height = new GridLength(100.0/5.0, GridUnitType.Star) },
}
};
layout.Children.Add (dayNumberGrid, ()=> new Rectangle (
0, TopHeight+DayNamesHeight,
layout.Width, layout.Height - (TopHeight + DayNamesHeight)));
for (var r = 0; r < 6; r++) {
for (var c = 0; c < 7; c++) {
var dayLabel = new Label{
XAlign = TextAlignment.Center,
YAlign = TextAlignment.Center,
TextColor = Color.Black,
BackgroundColor = Color.Transparent,
Text = "A" + lc.ToString(),
};
dayNumberGrid.Children.Add (dayLabel, c, r);
_dayNumberLabels [lc++] = dayLabel;
}
}
// Ellipse
_ellipse = new NControlView {
BackgroundColor = Color.Transparent,
DrawingFunction = (canvas, rect) =>{
canvas.DrawEllipse(rect, null,
new NGraphics.SolidBrush(Color.FromHex("#DDDDDD").ToNColor()));
},
Scale = 0.0,
};
layout.Children.Add (_ellipse, () => new Rectangle (
0, TopHeight + DayNamesHeight,
Math.Min(_calendar.Width / 7, _calendar.Height/7),
Math.Min(_calendar.Width / 7, _calendar.Height/7)
)
);
Content = layout;
}
/// <summary>
/// Initializes a new instance of the <see cref="NControl.Controls.TabStripControl"/> class.
/// </summary>
public TabStripControl ()
{
_mainLayout = new RelativeLayout ();
Content = _mainLayout;
// Create tab control
_buttonStack = new StackLayoutEx {
Orientation = StackOrientation.Horizontal,
Padding = 0,
Spacing = 0,
HorizontalOptions = LayoutOptions.Start,
VerticalOptions= LayoutOptions.FillAndExpand,
};
_indicator = new TabBarIndicator {
VerticalOptions = LayoutOptions.End,
HorizontalOptions = LayoutOptions.Start,
BackgroundColor = (Color)TabIndicatorColorProperty.DefaultValue,
HeightRequest = 6,
WidthRequest = 0,
};
_tabControl = new NControlView{
BackgroundColor = TabBackColor,
Content = new Grid{
Padding = 0,
ColumnSpacing = 0,
RowSpacing=0,
Children = {
_buttonStack,
_indicator,
}
}
};
_mainLayout.Children.Add (_tabControl, () => new Rectangle (
0, 0, _mainLayout.Width, TabHeight)
);
// Create content control
_contentView = new Grid {
ColumnSpacing = 0,
RowSpacing = 0,
Padding = 0,
BackgroundColor = Color.Transparent,
};
_mainLayout.Children.Add (_contentView, () => new Rectangle (
0, TabHeight, _mainLayout.Width, _mainLayout.Height-TabHeight)
);
_children.CollectionChanged += (sender, e) => {
_contentView.Children.Clear();
_buttonStack.Children.Clear();
foreach(var tabChild in Children)
{
var tabItemControl = new TabBarButton(tabChild.Title);
if(FontFamily != null)
tabItemControl.FontFamily = FontFamily;
tabItemControl.FontSize = FontSize;
tabItemControl.SelectedColor = TabIndicatorColor;
_buttonStack.Children.Add(tabItemControl);
}
if(Children.Any())
Activate(Children.First(), false);
};
// Border
var border = new NControlView {
DrawingFunction = (canvas, rect) => {
canvas.DrawPath (new NGraphics.PathOp[]{
new NGraphics.MoveTo(0, 0),
new NGraphics.LineTo(rect.Width, 0)
}, NGraphics.Pens.Gray, null);
},
};
_mainLayout.Children.Add (border, () => new Rectangle(
0, TabHeight, _mainLayout.Width, 1));
// Shadow
_shadow = new NControlView {
DrawingFunction = (canvas, rect)=> {
canvas.DrawRectangle(rect, null, new NGraphics.LinearGradientBrush(
new NGraphics.Point(0.5, 0.0), new NGraphics.Point(0.5, 1.0),
Color.Black.MultiplyAlpha(0.3).ToNColor(), NGraphics.Colors.Clear,
NGraphics.Colors.Clear));
}
};
_mainLayout.Children.Add (_shadow, () => new Rectangle(
0, TabHeight, _mainLayout.Width, 6));
_shadow.IsVisible = false;
SizeChanged += (object sender, EventArgs e) => {
_buttonStack.ForceLayout();
ForceLayout();
};
}
/// <summary>
/// Initializes a new instance of the <see cref="NControl.Controls.ActionButton"/> class.
/// </summary>
public ActionButton()
{
var layout = new Grid{Padding = 0, ColumnSpacing = 0, RowSpacing = 0};
ButtonShadowElement = new NControlView{
DrawingFunction = (canvas, rect) => {
// Draw shadow
rect.Inflate(new NGraphics.Size(-4));
rect.Y += 4;
Device.OnPlatform(
//iOS
() => canvas.DrawEllipse (rect, null, new NGraphics.RadialGradientBrush (
new NGraphics.Color(0, 0, 0, 200), NGraphics.Colors.Clear)),
// Android
() => canvas.DrawEllipse (rect, null, new NGraphics.RadialGradientBrush (
new NGraphics.Point(rect.Width/2, (rect.Height/2)+2),
new NGraphics.Size(rect.Width, rect.Height),
new NGraphics.Color(0, 0, 0, 200), NGraphics.Colors.Clear)),
// WP
() => canvas.DrawEllipse (rect, null, new NGraphics.RadialGradientBrush (
new NGraphics.Color(0, 0, 0, 200), NGraphics.Colors.Clear)),
null
);
},
};
ButtonElement = new NControlView{
DrawingFunction = (canvas, rect) => {
// Draw button circle
rect.Inflate (new NGraphics.Size (-8));
canvas.DrawEllipse (rect, null, new NGraphics.SolidBrush(ButtonColor.ToNColor()));
}
};
ButtonIconLabel = new FontAwesomeLabel{
XAlign = TextAlignment.Center,
YAlign = TextAlignment.Center,
TextColor = Color.White,
Text = FontAwesomeLabel.FAPlus,
FontSize = 14,
};
layout.Children.Add (ButtonShadowElement);
layout.Children.Add (ButtonElement);
layout.Children.Add (ButtonIconLabel);
Content = layout;
}
/// <summary>
/// Initializes a new instance of the
/// <see cref="AvatarButton"/> class.
/// </summary>
public AvatarButton()
{
HeightRequest = 44;
WidthRequest = 44;
_label = new Label
{
Text = "+",
TextColor = Xamarin.Forms.Color.White,
FontSize = 17,
BackgroundColor = Xamarin.Forms.Color.Transparent,
XAlign = Xamarin.Forms.TextAlignment.Center,
YAlign = Xamarin.Forms.TextAlignment.Center,
};
_circle = new NControlView
{
DrawingFunction = (canvas1, rect) =>
{
var fillColor = new NGraphics.Color(FillColor.R,
FillColor.G, FillColor.B, FillColor.A);
canvas1.FillEllipse(rect, fillColor);
}
};
Content = new Grid
{
Children =
{
_circle,
_label,
}
};
}
