/// <summary>
///
/// </summary>
/// <param name="views">A list of views to display in the alert.</param>
/// <param name="accentColor">Color of the circle.</param>
/// <param name="title"></param>
/// <param name="titleFont"></param>
/// <param name="content"></param>
/// <param name="contentFont"></param>
/// <param name="alertType"></param>
/// <param name="customImage">Image to be displayed in the circle.</param>
/// <returns></returns>
public static async Task ShowCustomAlert(List <View> views, Color accentColor, string title = "", ExtendedFont titleFont = null,
string content = "", ExtendedFont contentFont = null, AlertType alertType = AlertType.AccentOnly,
ImageSource customImage = null)
{
var view = new AdvancedAlertView(views, accentColor, title, titleFont, content, contentFont, alertType, customImage);
await Application.Current.MainPage.Navigation.PushPopupAsync(view);
}
public static NSMutableAttributedString BuildAttributedString(this ExtendedFont font, string text, UITextAlignment textAlignment = UITextAlignment.Natural)
{
if (font == null)
{
return(new NSMutableAttributedString(text));
}
var attributes = new UIStringAttributes();
attributes.Font = font.ToUIFont();
attributes.ForegroundColor = font.Color.ToUIColor();
attributes.BackgroundColor = UIColor.Clear;
attributes.KerningAdjustment = font.Kerning;
if (font.IsUnderlined)
{
attributes.UnderlineStyle = NSUnderlineStyle.Single;
}
var attribString = new NSMutableAttributedString(text, attributes);
if (font.LineSpacing != 0)
{
var paragraphStyle = new NSMutableParagraphStyle()
{
LineSpacing = (nfloat)font.LineSpacing,
Alignment = textAlignment
};
attribString.AddAttribute(UIStringAttributeKey.ParagraphStyle, paragraphStyle, new NSRange(0, attribString.Length));
}
return(attribString);
}
private static UIBarButtonItem[] SetCustomFontsToToolBars(
List <Tuple <ToolbarItem, UIBarButtonItem> > navigationBarItems,
ExtendedFont toolbarFont, bool visible = true)
{
var barItems = new List <UIBarButtonItem>();
navigationBarItems.ForEach(tuple =>
{
var nativeItem = tuple.Item2;
if (toolbarFont != null && !string.IsNullOrEmpty(tuple.Item2.Title))
{
var button = new UIButton();
button.SetAttributedTitle(toolbarFont.BuildAttributedString(tuple.Item2.Title), UIControlState.Normal);
button.TintColor = toolbarFont.Color.ToUIColor();
button.TitleLabel.SizeToFit();
button.Hidden = !visible;
if (tuple.Item1 != null)
{
button.TouchUpInside += (sender, e) => ((IMenuItemController)tuple.Item1).Activate();
}
button.SizeToFit();
nativeItem.CustomView = button;
}
barItems.Add(nativeItem);
});
return(barItems.ToArray());
}
/// <summary>
/// Adds individual action buttons to the alert view.
/// </summary>
/// <param name="action">Action.</param>
public void AddAction(AdvancedActionSheetAction action)
{
var ExtendedButton = new ExtendedButton()
{
Style = AdvancedActionSheetStyles.StandardButtonStyle,
Command = new Command(async() =>
{
await Navigation.PopPopupAsync();
action.Command?.Execute(null);
}),
CustomFont = action.Font,
Text = action.Title
};
if (action.ActionType == ActionType.Cancel)
{
CancelButtonVisible = true;
CancelText = action.Title;
CancelFont = action.Font;
CancelCommand = new Command(() =>
{
action.Command?.Execute(null);
});
OnPropertyChanged(nameof(CancelButtonVisible));
OnPropertyChanged(nameof(CancelCommand));
OnPropertyChanged(nameof(CancelText));
OnPropertyChanged(nameof(CancelFont));
}
else
{
buttonStack.Children.Add(ExtendedButton);
}
}
/// <summary>
/// Creates the action for the action sheet.
/// </summary>
/// <param name="title">Title.</param>
/// <param name="font">Font.</param>
/// <param name="command">Command.</param>
/// <param name="type">Type of the action.</param>
public static AdvancedActionSheetAction CreateAction(string title, ExtendedFont font, Command command, ActionType type = ActionType.Default)
{
return(new AdvancedActionSheetAction()
{
Title = title,
Font = font,
Command = command,
ActionType = type
});
}
/// <summary>
/// Initializes a new instance of this <c>AdvancedAlertView</c> class.
/// </summary>
/// <param name="buttons">Buttons.</param>
/// <param name="accentColor">Color of the circle.</param>
/// <param name="title">Title.</param>
/// <param name="titleFont">Title's font.</param>
/// <param name="content">Content.</param>
/// <param name="contentFont">Content's font.</param>
/// <param name="alertType">Alert type.</param>
/// <param name="customImage">Image to be displayed in the circle.</param>
/// <param name="presetType">Preset type of the alert.</param>
public AdvancedAlertView(List <View> buttons, Color accentColor, string title = "", ExtendedFont titleFont = null,
string content = "", ExtendedFont contentFont = null, AlertType alertType = AlertType.AccentOnly, ImageSource customImage = null,
PresetType presetType = PresetType.Positive)
{
_alertType = alertType;
_presetType = presetType;
BindingContext = this;
HasSystemPadding = false;
CloseWhenBackgroundIsClicked = false;
CustomImageSource = customImage;
AccentColor = accentColor;
Animation = new AdvancedAlertViewAnimation();
InitializeComponent();
switch (alertType)
{
case AlertType.Preset:
AddImage(false);
break;
case AlertType.Waiting:
AddSpinner();
break;
case AlertType.CustomImageAndAccent:
AddImage(true);
break;
}
if (buttons != null && buttons.Count > 0)
{
buttons.ForEach(AddButton);
}
TitleString = title;
ContentString = content;
TitleFont = titleFont;
ContentFont = contentFont;
SetRelativeLayoutConstraints();
OnPropertyChanged(nameof(TitleString));
OnPropertyChanged(nameof(ContentString));
OnPropertyChanged(nameof(TitleFont));
OnPropertyChanged(nameof(ContentFont));
OnPropertyChanged(nameof(AccentColor));
OnPropertyChanged(nameof(CustomImageSource));
}
/// <summary>
///
/// </summary>
/// <param name="accentColor"></param>
/// <param name="title"></param>
/// <param name="titleFont"></param>
/// <param name="content"></param>
/// <param name="contentFont"></param>
/// <param name="duration">How long the alert should be visible</param>
/// <returns></returns>
public static async Task ShowWaitingAlert(Color accentColor, string title = "", ExtendedFont titleFont = null,
string content = "", ExtendedFont contentFont = null, int duration = 0)
{
var view = new AdvancedAlertView(null, accentColor, title, titleFont, content, contentFont, AlertType.Waiting);
await Application.Current.MainPage.Navigation.PushPopupAsync(view);
if (duration > 0)
{
await Task.Delay(duration);
await view.Navigation.PopPopupAsync();
}
}
/// <summary>
/// Displays a toast-style banner view.
/// </summary>
/// <returns>Returns a <see cref="Task"/> that displays the toast view.</returns>
/// <param name="title">Title.</param>
/// <param name="titlefont">Titlefont.</param>
/// <param name="image">Image.</param>
/// <param name="backgroundColor">Background color.</param>
/// <param name="navigation">Navigation.</param>
/// <param name="position">Position.</param>
public static async Task DisplayToast(string title, ExtendedFont titlefont, ImageSource image, Color backgroundColor, INavigation navigation, BannerPosition position = BannerPosition.Top)
{
var view = new BannerView()
{
Text = title,
TitleFont = titlefont,
Image = image,
Color = backgroundColor,
Position = position
};
await navigation.PushPopupAsync(view);
await Task.Delay(2000);
await navigation.PopPopupAsync();
}
/// <summary>
/// Creates the button for the alert view.
/// </summary>
/// <returns>An <c>AdvancedAlertViewButton</c>.</returns>
/// <param name="text">Text.</param>
/// <param name="font">Font.</param>
/// <param name="backgroundColor">Background color.</param>
/// <param name="command">Command.</param>
public static AdvancedAlertViewButton CreateButton(string text, ExtendedFont font, Color backgroundColor, Command command = null)
{
var button = new AdvancedAlertViewButton()
{
Text = text,
CustomFont = font,
BackgroundColor = backgroundColor
};
if (command != null)
{
button.Command = command;
}
return(button);
}
/// <summary>
/// Initializes a new instance of this <c>AdvancedActionSheet</c> class.
/// </summary>
/// <param name="actions">Action buttons.</param>
/// <param name="title">Title.</param>
/// <param name="titleFont">Title font.</param>
public AdvancedActionSheet(List <AdvancedActionSheetAction> actions, string title = "", ExtendedFont titleFont = null)
{
BindingContext = this;
Actions = actions;
TitleText = title;
TitleFont = titleFont;
Animation = new AdvancedActionSheetAnimation();
HasSystemPadding = false;
CloseWhenBackgroundIsClicked = true;
InitializeComponent();
CreateButtons();
}
public static void ApplyTo(this ExtendedFont font, TextView textView)
{
if (font == null)
{
return;
}
if (font.Family == null)
{
TypefaceStyle typefaceStyle = TypefaceStyle.Normal;
switch (font.FontAttributes)
{
case FontAttributes.Bold:
typefaceStyle = TypefaceStyle.Bold;
break;
case FontAttributes.Italic:
typefaceStyle = TypefaceStyle.Italic;
break;
}
textView.SetTypeface(Typeface.Default, typefaceStyle);
}
else
{
textView.SetTypeface(TypefaceHelper.GetTypeface(font.Family), TypefaceStyle.Normal);
}
textView.SetTextColor(font.Color.ToAndroid());
textView.SetTextSize(Android.Util.ComplexUnitType.Dip, font.Size);
if (font.IsUnderlined)
{
SpannableString content = new SpannableString(textView.Text);
content.SetSpan(new UnderlineSpan(), 0, textView.Text.Length, 0);
textView.TextFormatted = content;
}
if (font.LineSpacing != 0)
{
textView.SetLineSpacing(font.LineSpacing, 1);
}
}
private static UIBarButtonItem[] SetCustomFontsToToolBars(
List <UIBarButtonItem> navigationBarItems,
ExtendedFont toolbarFont)
{
navigationBarItems.ForEach(nativeItem =>
{
if (toolbarFont != null)
{
var textAttributes = new UITextAttributes()
{
Font = toolbarFont.ToUIFont(),
TextColor = toolbarFont.Color.ToUIColor(),
};
nativeItem.SetTitleTextAttributes(textAttributes, UIControlState.Normal);
nativeItem.TintColor = toolbarFont.Color.ToUIColor();
}
});
return(navigationBarItems.ToArray());
}
public CustomTypefaceSpan(ExtendedFont font) : base(font.Family)
{
_typeface = TypefaceHelper.GetTypeface(font.Family);
}
/// <summary>
/// Shows the advanced action sheet.
/// </summary>
/// <returns>Returns a <see cref="Task"/> that shows the action sheet.</returns>
/// <param name="actions">Action buttons.</param>
/// <param name="title">Title.</param>
/// <param name="titleFont">Title font.</param>
public static async Task ShowActionSheet(List <AdvancedActionSheetAction> actions, string title = "", ExtendedFont titleFont = null)
{
var view = new AdvancedActionSheet(actions, title, titleFont);
await Application.Current.MainPage.Navigation.PushPopupAsync(view);
}
public static UIFont ToUIFont(this ExtendedFont font)
{
if (font.Family == null)
{
switch (font.FontAttributes)
{
case FontAttributes.Bold:
return(UIFont.BoldSystemFontOfSize(font.Size));
case FontAttributes.Italic:
return(UIFont.ItalicSystemFontOfSize(font.Size));
case FontAttributes.None:
return(UIFont.SystemFontOfSize(font.Size));
}
}
else
{
if (font.IsAccessibilityFont)
{
UIFontTextStyle textStyle = UIFontTextStyle.Body;
switch (font.AccessibilityTextStyle)
{
case AccessibilityTextStyle.Callout:
{
textStyle = UIFontTextStyle.Callout;
break;
}
case AccessibilityTextStyle.Caption1:
{
textStyle = UIFontTextStyle.Caption1;
break;
}
case AccessibilityTextStyle.Caption2:
{
textStyle = UIFontTextStyle.Caption2;
break;
}
case AccessibilityTextStyle.Footnote:
{
textStyle = UIFontTextStyle.Footnote;
break;
}
case AccessibilityTextStyle.Headline:
{
textStyle = UIFontTextStyle.Headline;
break;
}
case AccessibilityTextStyle.Subheadline:
{
textStyle = UIFontTextStyle.Subheadline;
break;
}
case AccessibilityTextStyle.Title1:
{
textStyle = UIFontTextStyle.Title1;
break;
}
case AccessibilityTextStyle.Title2:
{
textStyle = UIFontTextStyle.Title2;
break;
}
case AccessibilityTextStyle.Title3:
{
textStyle = UIFontTextStyle.Title3;
break;
}
}
var uiFont = UIFont.GetPreferredFontForTextStyle(textStyle);
return(UIFont.FromName(font.Family, uiFont.PointSize));
}
else
{
return(UIFont.FromName(font.Family, font.Size));
}
}
return(UIFont.SystemFontOfSize(font.Size));
}
/// <summary>
/// Initializes a new instance of this <c>FloatingLabelEntryNativeView</c> class.
/// </summary>
/// <param name="frame">Frame to display the floating label.</param>
/// <param name="floatingLabelCustomFont">Floating label custom font.</param>
public FloatingLabelEntryNativeView(CGRect frame, ExtendedFont floatingLabelCustomFont)
: base(frame)
{
CustomFont = floatingLabelCustomFont;
InitializeLabel();
}
/// <summary>
///
/// </summary>
/// <param name="buttons">A list of buttons to appear in the alert view.</param>
/// <param name="presetType"></param>
/// <param name="title"></param>
/// <param name="titleFont"></param>
/// <param name="content"></param>
/// <param name="contentFont"></param>
/// <param name="buttonFont"></param>
/// <param name="okCommand"></param>
/// <returns></returns>
public static async Task ShowPresetAlert(List <ExtendedButton> buttons, PresetType presetType, string title = "", ExtendedFont titleFont = null,
string content = "", ExtendedFont contentFont = null, ExtendedFont buttonFont = null, Command okCommand = null)
{
var view = new AdvancedAlertView(buttons.Cast <View>().ToList(), DefaultColor, title, titleFont, content, contentFont, AlertType.Preset, presetType: presetType);
await Application.Current.MainPage.Navigation.PushPopupAsync(view);
}
