private void ProcessButtonSize(List <string> classes)
{
if (classes.Any(o => o.Equals(Constant.BtnXS)))
{
Element.FontSize = Device.GetNamedSize(NamedSize.Micro, typeof(Xamarin.Forms.Button));
thisButton.SetPadding(8, 7, 8, 7);
Element.HeightRequest = Element.FontSize + 14 + 10;
}
else if (classes.Any(o => o.Equals(Constant.BtnSM)))
{
Element.FontSize = Device.GetNamedSize(NamedSize.Small, typeof(Xamarin.Forms.Button));
}
else if (classes.Any(o => o.Equals(Constant.BtnMD)))
{
Element.FontSize = Device.GetNamedSize(NamedSize.Medium, typeof(Xamarin.Forms.Button));
thisButton.SetPadding(18, 15, 18, 15);
Element.HeightRequest = Element.FontSize + 30 + 10;
}
else if (classes.Any(o => o.Equals(Constant.BtnLG)))
{
Element.FontSize = Device.GetNamedSize(NamedSize.Large, typeof(Xamarin.Forms.Button));
thisButton.SetPadding(21, 17, 21, 17);
Element.HeightRequest = Element.FontSize + 34 + 10;
}
}
protected override void OnElementChanged(ElementChangedEventArgs <Xamarin.Forms.Button> e)
{
base.OnElementChanged(e);
thisButton = Control as Android.Widget.Button;
if (thisButton != null)
{
thisButton.SetMaxLines(1);
thisButton.Ellipsize = TruncateAt.End;
}
List <string> classes = Element.GetValue(ResponsiveProperty.ClassProperty)?.ToString().Split(" ".ToCharArray()).ToList();
if (classes != null)
{
ProcessButtonTheme(classes);
ProcessButtonSize(classes);
}
var padding = (Thickness)Element.GetValue(ButtonProperty.PaddingProperty);
if (padding.Left != -100 && padding.Top != -100 && padding.Right != -100 && padding.Bottom != -100)
{
int top = int.Parse(padding.Top.ToString());
int left = int.Parse(padding.Left.ToString());
int bottom = int.Parse(padding.Bottom.ToString());
int right = int.Parse(padding.Right.ToString());
thisButton.SetPadding(left, top, right, bottom);
Element.HeightRequest = Element.FontSize + padding.VerticalThickness + 10;
}
}
protected override void OnElementChanged(ElementChangedEventArgs <Xamarin.Forms.Button> e)
{
base.OnElementChanged(e);
if (e.NewElement != null && this.Control != null)
{
if (iconSpan == null)
{
nativeBtn = (Android.Widget.Button) this.Control;
iconButton = (IconButton)e.NewElement;
iconFont = TrySetFont("fontawesome-webfont.ttf");
textFont = iconButton.Font.ToTypeface();
iconButton.IconSize = iconButton.IconSize == 0 ? (float)iconButton.FontSize : iconButton.IconSize;
var computedString = BuildRawTextString();
iconSpan = BuildSpannableString(computedString);
if (iconButton.TextAlignement == Xamarin.Forms.TextAlignment.Center)
{
nativeBtn.Gravity = Android.Views.GravityFlags.Center;
}
else if (iconButton.TextAlignement == Xamarin.Forms.TextAlignment.End)
{
nativeBtn.Gravity = Android.Views.GravityFlags.Right;
}
else if (iconButton.TextAlignement == Xamarin.Forms.TextAlignment.Start)
{
nativeBtn.Gravity = Android.Views.GravityFlags.Left;
}
nativeBtn.TransformationMethod = null;
nativeBtn.SetPadding(0, 0, 0, 0);
nativeBtn.AfterTextChanged += nativeBtn_AfterTextChanged;
}
}
}
protected override void OnElementChanged(ElementChangedEventArgs <Xamarin.Forms.Button> e)
{
base.OnElementChanged(e);
Android.Widget.Button button = Control as Android.Widget.Button;
if (button != null)
{
button.Gravity = GravityFlags.Center;
button.SetPadding(0, 0, 0, 0);
}
}
private Android.Widget.Button GetButton(ToolbarItem item)
{
var button = new Android.Widget.Button(_rightMenuLayout.Context)
{
Text = item.Text
};
button.Click += (object sender, System.EventArgs e) => {
item.Activate();
};
//button.SetTextColor(Element.BarTextColor.ToAndroid());
button.SetTextColor(Android.Graphics.Color.Red);
button.SetBackgroundColor(Android.Graphics.Color.Transparent);
button.SetMinWidth(10);
button.SetMinimumWidth(10);
button.SetPadding(5, 0, 5, 0);
button.LayoutParameters = new LayoutParams(LayoutParams.WrapContent, LayoutParams.WrapContent);
return(button);
}
public View BuildNativeImageButton(string text, string icon, System.Action clickAction)
{
if (string.IsNullOrWhiteSpace(text))
{
text = "(text binding not set)";
}
if (string.IsNullOrWhiteSpace(icon))
{
icon = "ic_facebook_white.png";
}
Android.Widget.Button imgButton = new Android.Widget.Button(Forms.Context)
{
Text = text
};
if (!string.IsNullOrWhiteSpace(icon))
{
int imgRes = 0;
if (icon == "ic_facebook_white.png")
{
imgRes = Resource.Drawable.ic_facebook_white;
}
if (imgRes != 0)
{
imgButton.SetCompoundDrawablesWithIntrinsicBounds(imgRes, 0, 0, 0);
}
}
imgButton.Click += (sender, e) => { clickAction(); };
imgButton.SetBackgroundResource(Resource.Drawable.bg_button_border);
var paddingInPixels = ConvertDpToPixels(10);
imgButton.SetPadding(paddingInPixels, 0, paddingInPixels, 0);
imgButton.TextAlignment = Android.Views.TextAlignment.Center;
return(imgButton.ToView());
}
protected override void OnElementChanged(ElementChangedEventArgs<Xamarin.Forms.Button> e)
{
base.OnElementChanged(e);
if (e.NewElement != null && this.Control != null)
{
if (iconSpan == null)
{
nativeBtn = (Android.Widget.Button)this.Control;
iconButton = (IconButton)e.NewElement;
iconFont = TrySetFont("fontawesome-webfont.ttf");
textFont = iconButton.Font.ToTypeface();
iconButton.IconSize = iconButton.IconSize == 0 ? (float)iconButton.FontSize : iconButton.IconSize;
var computedString = BuildRawTextString();
iconSpan = BuildSpannableString(computedString);
if (iconButton.TextAlignement == Xamarin.Forms.TextAlignment.Center)
{
nativeBtn.Gravity = Android.Views.GravityFlags.Center;
}
else if (iconButton.TextAlignement == Xamarin.Forms.TextAlignment.End)
{
nativeBtn.Gravity = Android.Views.GravityFlags.Right;
}
else if (iconButton.TextAlignement == Xamarin.Forms.TextAlignment.Start)
{
nativeBtn.Gravity = Android.Views.GravityFlags.Left;
}
nativeBtn.TransformationMethod = null;
nativeBtn.SetPadding(0, 0, 0, 0);
nativeBtn.AfterTextChanged += nativeBtn_AfterTextChanged;
}
}
}
protected override void OnElementChanged(ElementChangedEventArgs <Xamarin.Forms.Button> e)
{
base.OnElementChanged(e);
thisButton = Control as Android.Widget.Button;
if (thisButton != null)
{
thisButton.SetMaxLines(1);
thisButton.Ellipsize = TruncateAt.End;
}
List <string> classes = Element.GetValue(ResponsiveProperty.ClassProperty)?.ToString().Split(" ".ToCharArray()).ToList();
if (classes != null)
{
ProcessButtonTheme(classes);
ProcessButtonSize(classes);
}
//Handle Button Pading
var padding = (Thickness)Element.GetValue(ButtonProperty.PaddingProperty);
if (padding.Left != -100 && padding.Top != -100 && padding.Right != -100 && padding.Bottom != -100)
{
int top = int.Parse(padding.Top.ToString());
int left = int.Parse(padding.Left.ToString());
int bottom = int.Parse(padding.Bottom.ToString());
int right = int.Parse(padding.Right.ToString());
thisButton.SetPadding(left, top, right, bottom);
Element.HeightRequest = Element.FontSize + padding.VerticalThickness + 10;
}
// Handle PressedBackgroundColor
pressedBackgroundColor = (Xamarin.Forms.Color)Element.GetValue(ButtonProperty.PressedBackgroundColorProperty);
if (!pressedBackgroundColor.Equals(Color.Default))
{
originalBackgroundColor = Element.BackgroundColor;
//Handle TextColor
pressedTextColor = (Xamarin.Forms.Color)Element.GetValue(ButtonProperty.PressedTextColorProperty);
if (!pressedTextColor.Equals(Color.Default))
{
originalTextColor = Element.TextColor;
}
thisButton.Touch += ButtonTouched;
thisButton.SetSingleLine(true);
isToggleButton = Convert.ToBoolean(Element.GetValue(ButtonProperty.IsToggleButtonProperty));
}
// Handle Horizontal Content Alignment
var horizontalContentAlignment = (ButtonProperty.HorizontalContentAlignmentType)Element.GetValue(ButtonProperty.HorizontalContentAlignmentProperty);
if (horizontalContentAlignment != ButtonProperty.HorizontalContentAlignmentType.PlatformDefault)
{
switch (horizontalContentAlignment)
{
case ButtonProperty.HorizontalContentAlignmentType.Fill:
thisButton.Gravity = thisButton.Gravity | GravityFlags.FillHorizontal;
break;
case ButtonProperty.HorizontalContentAlignmentType.Left:
thisButton.Gravity = thisButton.Gravity | GravityFlags.Left;
break;
case ButtonProperty.HorizontalContentAlignmentType.Right:
thisButton.Gravity = thisButton.Gravity | GravityFlags.Right;
break;
case ButtonProperty.HorizontalContentAlignmentType.Centre:
thisButton.Gravity = thisButton.Gravity | GravityFlags.CenterHorizontal;
break;
}
}
// Handle Vertical Content Alignment
var verticalContentAlignment = (ButtonProperty.VerticalContentAlignmentType)Element.GetValue(ButtonProperty.VerticalContentAlignmentProperty);
if (verticalContentAlignment != ButtonProperty.VerticalContentAlignmentType.PlatformDefault)
{
switch (verticalContentAlignment)
{
case ButtonProperty.VerticalContentAlignmentType.Fill:
thisButton.Gravity = thisButton.Gravity | GravityFlags.FillVertical;
break;
case ButtonProperty.VerticalContentAlignmentType.Top:
thisButton.Gravity = thisButton.Gravity | GravityFlags.Top;
break;
case ButtonProperty.VerticalContentAlignmentType.Bottom:
thisButton.Gravity = thisButton.Gravity | GravityFlags.Bottom;
break;
case ButtonProperty.VerticalContentAlignmentType.Centre:
thisButton.Gravity = thisButton.Gravity | GravityFlags.CenterVertical;
break;
}
}
}