void UpdateUI(NextPillsMessage message)
{
ToggleUI();
if (message.Name != null)
{
var attrString = new NSAttributedString (message.Name,
new UIStringAttributes { Font = UIFont.SystemFontOfSize (20, UIFontWeight.Light)});
nameLabel.SetText(attrString);
}
if (message.LeftTime != null)
{
var attrString = new NSAttributedString(message.LeftTime,
new UIStringAttributes { Font = UIFont.SystemFontOfSize(14, UIFontWeight.Medium) });
leftTimeLabel.SetText(attrString);
}
int percentage;
if (message.Percentage < 0 || message.Percentage > 99)
percentage = 0;
else
percentage = message.Percentage;
countdownGroup.SetBackgroundImage("countdownWatch");
countdownGroup.StartAnimating(new NSRange(0, percentage), 1, 1);
}
private static Tuple<NSMutableAttributedString,List<NewsCellView.Link>> CreateAttributedStringFromBlocks(UIFont font, UIColor primaryColor, IEnumerable<TextBlock> blocks)
{
var attributedString = new NSMutableAttributedString();
var links = new List<NewsCellView.Link>();
nint lengthCounter = 0;
int i = 0;
foreach (var b in blocks)
{
UIColor color = null;
if (b.Tapped != null)
color = LinkColor;
color = color ?? primaryColor;
var ctFont = new CoreText.CTFont(font.Name, font.PointSize);
var str = new NSAttributedString(b.Value, new CoreText.CTStringAttributes() { ForegroundColor = color.CGColor, Font = ctFont });
attributedString.Append(str);
var strLength = str.Length;
if (b.Tapped != null)
{
var weakTapped = new WeakReference<Action>(b.Tapped);
links.Add(new NewsCellView.Link { Range = new NSRange(lengthCounter, strLength), Callback = () => weakTapped.Get()?.Invoke(), Id = i++ });
}
lengthCounter += strLength;
}
return new Tuple<NSMutableAttributedString, List<NewsCellView.Link>>(attributedString, links);
}
public DetailViewController(RSSFeedItem item)
: base(UITableViewStyle.Grouped, null, true)
{
var attributes = new NSAttributedStringDocumentAttributes();
attributes.DocumentType = NSDocumentType.HTML;
attributes.StringEncoding = NSStringEncoding.UTF8;
var error = new NSError();
var htmlString = new NSAttributedString(item.Description, attributes, ref error);
Root = new RootElement(item.Title) {
new Section{
new StringElement(item.Author),
new StringElement(item.PublishDate),
new StyledMultilineElement(htmlString),
new HtmlElement("Full Article", item.Link)
}
};
NavigationItem.RightBarButtonItem = new UIBarButtonItem(UIBarButtonSystemItem.Action, async delegate
{
var message = item.Title + " " + item.Link + " #PlanetXamarin";
var social = new UIActivityViewController(new NSObject[] { new NSString(message)},
new UIActivity[] { new UIActivity() });
PresentViewController(social, true, null);
});
}
public NSAttributedString GetAttributedText()
{
string path = null;
NSError error = new NSError ();
if (TextStoragePath != null)
path = NSBundle.MainBundle.PathForResource ("TextFiles/" + TextStoragePath[0], "");
else
path = NSBundle.MainBundle.PathForResource ("TextFiles/" + Title, "rtf");
if (path == null)
return new NSAttributedString ("");
if (StrRichFormatting) {
// Load the file from disk
var attributedString = new NSAttributedString (new NSUrl (path, false), null, ref error);
// Make a copy we can alter
var attributedTextHolder = new NSMutableAttributedString (attributedString);
attributedTextHolder.AddAttributes (new UIStringAttributes () { Font = UIFont.PreferredBody },
new NSRange (0, attributedTextHolder.Length));
AttributedText = (NSAttributedString)attributedTextHolder.Copy ();
} else {
string newFlatText = new NSAttributedString (new NSUrl (path, false), null, ref error).Value;
AttributedText = new NSAttributedString (newFlatText, font: UIFont.PreferredBody);
}
return AttributedText;
}
public override NSAttributedString GetAttributedTitle (UIPickerView pickerView, System.nint row, System.nint component)
{
var title = items [(int) row];
var font = UIFont.FromName ("SegoeUI-Light", 17f);
var attributedTitle = new NSAttributedString (title, font, UIColor.White, null, null, null, (NSLigatureType) 1, 0, (NSUnderlineStyle) 0, null, 0, NSUnderlineStyle.None);
return attributedTitle;
}
void SetPlaceholderTextColor (MyEntry view)
{
if (string.IsNullOrEmpty (view.Placeholder) == false && view.PlaceholderColor != Color.Default) {
var placeholderString = new NSAttributedString (view.Placeholder,
new UIStringAttributes { ForegroundColor = view.PlaceholderColor.ToUIColor () });
Control.AttributedPlaceholder = placeholderString;
}
}
protected override void OnElementPropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
{
if (e.PropertyName.Equals("Text") && Control != null)
{
// http://forums.xamarin.com/discussion/15530/nsattributedstringdocumentattributes-exception-on-ios-6
NSParagraphStyle ps = NSParagraphStyle.Default;
NSDictionary dict = new NSMutableDictionary() { {
UIStringAttributeKey.Font,
((ExtendedLabel)Element).Font.ToUIFont()
},
};
var attr = new NSAttributedStringDocumentAttributes(dict);
var nsError = new NSError();
// This line announces, that content is html.
attr.DocumentType = NSDocumentType.HTML;
attr.StringEncoding = NSStringEncoding.UTF8;
var html = ((ExtendedLabel)Element).TextExt + Environment.NewLine;
NSString htmlString = new NSString(html);
NSData htmlData = htmlString.Encode(NSStringEncoding.UTF8);
NSAttributedString attrStr = new NSAttributedString(htmlData, attr, out dict, ref nsError);
Control.AttributedText = attrStr;
Control.SizeToFit();
Control.SetNeedsLayout();
Element.HeightRequest = Control.Bounds.Height;
return;
}
if (e.PropertyName == "Height" || e.PropertyName == "Width")
{
// We calculate the correct height, because of the attributed string, Xamarin.Forms don't do it correct
var width = (float)((ExtendedLabel)Element).Width;
// Only do this, if we have a valid width
if (width != -1)
{
var rect = Control.AttributedText.GetBoundingRect(new CoreGraphics.CGSize(width, float.MaxValue), NSStringDrawingOptions.UsesLineFragmentOrigin | NSStringDrawingOptions.UsesFontLeading, null);
if (rect.Height != ((ExtendedLabel)Element).Height)
{
((ExtendedLabel)Element).HeightRequest = rect.Height;
}
}
}
base.OnElementPropertyChanged(sender, e);
}
public LiveVariableView(string image, string title, double oldPrice, double discount)
{
Layer.CornerRadius = 5;
ClipsToBounds = true;
BackgroundColor = UIColor.White;
this.image = new UIImageView
{
Image = UIImage.FromBundle(image),
ContentMode = UIViewContentMode.ScaleAspectFit,
};
this.title = new UILabel
{
Text = title,
Font = UIFont.FromName("Gotham-Medium", 12),
TextColor = Styling.Colors.TextLightBlue
};
this.oldPrice = new UILabel
{
Font = UIFont.FromName("Gotham-Light", 10),
TextColor = Styling.Colors.TextLightBlue
};
var attributedString = new NSAttributedString(oldPrice.ToString("##.00"), strikethroughStyle: NSUnderlineStyle.Single);
this.oldPrice.AttributedText = attributedString;
this.newPrice = new UILabel
{
Font = UIFont.FromName("Gotham-Medium", 12),
TextColor = Styling.Colors.TextBlue
};
double oldprice;
double.TryParse(this.oldPrice.Text, out oldprice);
newPrice.Text = (oldprice - oldPrice * discount).ToString("##.00");
this.AddSubviews(this.image, this.title, this.oldPrice, this.newPrice);
this.SubviewsDoNotTranslateAutoresizingMaskIntoConstraints();
this.AddConstraints(
this.oldPrice.WithSameBottom(this).Minus(20),
this.oldPrice.WithSameCenterX(this).Minus(20),
this.newPrice.WithSameCenterY(this.oldPrice),
this.newPrice.ToRightOf(this.oldPrice).Plus(10),
this.title.WithSameCenterX(this),
this.title.Above(this.oldPrice).Minus(15),
this.image.WithSameCenterX(this),
this.image.WithSameTop(this).Plus(20),
this.image.WithSameLeft(this),
this.image.WithSameRight(this)
);
}
void ConfigureAttributedTextSystemButton ()
{
const string buttonTitle = "Button";
var normalAttributedTitle = new NSAttributedString (buttonTitle, foregroundColor: UIColor.Blue, strikethroughStyle: NSUnderlineStyle.Single);
AttributedTextButton.SetAttributedTitle (normalAttributedTitle, UIControlState.Normal);
var highlightedAttributedTitle = new NSAttributedString (buttonTitle, foregroundColor: UIColor.Green, strikethroughStyle: NSUnderlineStyle.Thick);
AttributedTextButton.SetAttributedTitle (highlightedAttributedTitle, UIControlState.Highlighted);
}
void TextChanged ()
{
SetNeedsDisplay ();
ClearPreviousLayoutInformation ();
attributedString = new NSAttributedString (Text, attributes);
framesetter = new CTFramesetter (attributedString);
UIBezierPath path = UIBezierPath.FromRect (Bounds);
frame = framesetter.GetFrame (new NSRange (0, 0), path.CGPath, null);
}
public override NSAttributedString GetAttributedTitle (UIPickerView pickerView, nint row, nint component)
{
var title = items [(int) row];
int hyphenIndex = title.IndexOf ("-"); // Added to attempt to solve issue with displaying -xx in picker
if (hyphenIndex > 0)
title = title.Substring (0, hyphenIndex);
var font = UIFont.FromName ("SegoeUI-Light", 17f);
var attributedTitle = new NSAttributedString (title, font, UIColor.White, null, null, null, (NSLigatureType) 1, 0, (NSUnderlineStyle) 0, null, 0, NSUnderlineStyle.None);
return attributedTitle;
}
public NSAttributedString AttributedStringFor(NSObject value, NSDictionary attributes)
{
string match = StringFor(value);
if (match == null) {
return null;
}
NSMutableDictionary attDict = (NSMutableDictionary)attributes.MutableCopy();
attDict.LowlevelSetObject(value, NSStringAttributeKey.ForegroundColor.Handle);
NSAttributedString atString = new NSAttributedString(match, attDict);
return atString;
}
public override NSAttributedString GetMessageBubbleTopLabelAttributedText (MessagesCollectionView collectionView, NSIndexPath indexPath)
{
var timestampAttributes = new UIStringAttributes {
ForegroundColor = Theme.Current.IncomingTextColor,
BackgroundColor = UIColor.White,
Font = Theme.Current.MessageFont
};
MessageViewModel message = viewModel.Messages [indexPath.Row];
var timestamp = new NSAttributedString (message.Timestamp.ToString("MMM d, hh:mm tt"), timestampAttributes);
return timestamp;
}
public NSAttributedString ToAttributedString(UIFont baseFont)
{
if (_asAttributedString == null) {
CTStringAttributes attrs = new CTStringAttributes ();
attrs.Font = new CTFont(baseFont.Name, baseFont.PointSize);
attrs.ForegroundColor = UIColor.Black.CGColor;
_asAttributedString = IterateChildNodes (Definition, attrs);
}
return _asAttributedString;
}
private void CustomTransParentButton(UIButton navigateButton)
{
navigateButton.Layer.BorderWidth = 2.0f;
var highlightedAttributedTitle = new NSAttributedString("Get Movies", foregroundColor: UIColor.LightGray);
navigateButton.SetAttributedTitle(highlightedAttributedTitle, UIControlState.Highlighted);
navigateButton.TintColor = UIColor.Red;
navigateButton.Frame = new CGRect((System.nfloat)startX, (System.nfloat)(startY + 4 * height), this.View.Bounds.Width - 2 * startX, height);
navigateButton.SetTitle("Get Movies", UIControlState.Normal);
navigateButton.SetTitleColor(UIColor.LightGray, UIControlState.Normal);
navigateButton.TitleLabel.Font = UIFont.FromName("Helvetica", 18f);
navigateButton.TitleLabel.TextColor = UIColor.LightGray;
navigateButton.Layer.BackgroundColor = UIColor.Black.ColorWithAlpha(0.7f).CGColor;
}
public override CGRect DrawTitle(NSAttributedString title, CGRect frame, NSView controlView)
{
if (TextColor != null)
{
var newtitle = (NSMutableAttributedString)title.MutableCopy();
var range = new NSRange(0, (int)title.Length);
newtitle.RemoveAttribute(NSStringAttributeKey.ForegroundColor, range);
newtitle.AddAttribute(NSStringAttributeKey.ForegroundColor, TextColor, range);
title = newtitle;
}
var rect = base.DrawTitle(title, frame, controlView);
return(rect);
}
public override System.Drawing.RectangleF DrawTitle(NSAttributedString title, System.Drawing.RectangleF frame, NSView controlView)
{
if (TextColor != null)
{
var newtitle = title.MutableCopy() as NSMutableAttributedString;
var range = new NSRange(0, title.Length);
newtitle.RemoveAttribute(NSAttributedString.ForegroundColorAttributeName, range);
newtitle.AddAttribute(NSAttributedString.ForegroundColorAttributeName, TextColor, range);
title = newtitle;
}
var rect = base.DrawTitle(title, frame, controlView);
return(rect);
}
void ConfigureTextView()
{
TextView.Font = UIFont.FromDescriptor(UIFontDescriptor.PreferredBody, 0);
TextView.TextColor = UIColor.Black;
TextView.BackgroundColor = UIColor.White;
TextView.ScrollEnabled = true;
// Let's modify some of the attributes of the attributed string.
// You can modify these attributes yourself to get a better feel for what they do.
// Note that the initial text is visible in the storyboard.
var attributedText = new NSMutableAttributedString(TextView.AttributedText);
// Use NSString so the result of rangeOfString is an NSRange, not Range<String.Index>.
var text = (NSString)TextView.Text;
// Find the range of each element to modify.
var boldRange = CalcRangeFor(text, "bold".Localize());
var highlightedRange = CalcRangeFor(text, "highlighted".Localize());
var underlinedRange = CalcRangeFor(text, "underlined".Localize());
var tintedRange = CalcRangeFor(text, "tinted".Localize());
// Add bold. Take the current font descriptor and create a new font descriptor with an additional bold trait.
var boldFontDescriptor = TextView.Font.FontDescriptor.CreateWithTraits(UIFontDescriptorSymbolicTraits.Bold);
var boldFont = UIFont.FromDescriptor(boldFontDescriptor, 0);
attributedText.AddAttribute(UIStringAttributeKey.Font, boldFont, boldRange);
// Add highlight.
attributedText.AddAttribute(UIStringAttributeKey.BackgroundColor, ApplicationColors.Green, highlightedRange);
// Add underline.
attributedText.AddAttribute(UIStringAttributeKey.UnderlineStyle, NSNumber.FromInt32((int)NSUnderlineStyle.Single), underlinedRange);
// Add tint.
attributedText.AddAttribute(UIStringAttributeKey.ForegroundColor, ApplicationColors.Blue, tintedRange);
// Add image attachment.
var img = UIImage.FromBundle("text_view_attachment");
var textAttachment = new NSTextAttachment {
Image = img,
Bounds = new CGRect(PointF.Empty, img.Size),
};
var textAttachmentString = NSAttributedString.CreateFrom(textAttachment);
attributedText.Append(textAttachmentString);
TextView.AttributedText = attributedText;
}
public void UIKitAttachmentConveniences_New()
{
if (!TestRuntime.CheckSystemAndSDKVersion(7, 0))
{
Assert.Inconclusive("requires iOS7+");
}
// so we added custom code calling the (old) category helper - but we had to pick a different name
using (var ta = new NSTextAttachment(null, null))
using (var as2 = NSAttributedString.FromAttachment(ta)) {
Assert.That(as2.Length, Is.EqualTo((nint)1), "Length");
Assert.That(as2.Value [0], Is.EqualTo((char)0xFFFC), "NSAttachmentCharacter");
}
}
private void prepareForgotPasswordButton()
{
var boldFont = UIFont.SystemFontOfSize(12, UIFontWeight.Medium);
var color = Core.UI.Helper.Colors.Login.ForgotPassword.ToNativeColor();
var text = new NSMutableAttributedString(
Resources.LoginForgotPassword, foregroundColor: color);
var boldText = new NSAttributedString(
Resources.LoginGetHelpLoggingIn,
foregroundColor: color,
font: boldFont);
text.Append(boldText);
ForgotPasswordButton.SetAttributedTitle(text, UIControlState.Normal);
}
protected override void OnAttached()
{
var entry = Control as UITextField;
if (entry == null || string.IsNullOrWhiteSpace(entry.Placeholder))
{
return;
}
old = entry.AttributedPlaceholder;
var entryFontSize = entry.Font.PointSize;
entry.AttributedPlaceholder = new NSAttributedString(entry.Placeholder, font: UIFont.ItalicSystemFontOfSize(entryFontSize));
}
private static NSAttributedString createAttributedString(
IEnumerable <TokenTextAttachment> tagTokens)
{
var tagTokenString = tagTokens.Aggregate(
new NSMutableAttributedString(),
(result, token) =>
{
result.Append(NSAttributedString.FromAttachment(token));
return(result);
}
);
return(tagTokenString);
}
/// <summary>
/// Sets the color of the placeholder text.
/// </summary>
/// <param name="view">The view.</param>
void SetPlaceholderTextColor(RestaurantEntry view)
{
/*
* UIColor *color = [UIColor lightTextColor];
* YOURTEXTFIELD.attributedPlaceholder = [[NSAttributedString alloc] initWithString:@"PlaceHolder Text" attributes:@{NSForegroundColorAttributeName: color}];
*/
if (string.IsNullOrEmpty(view.Placeholder) == false && view.PlaceholderTextColor != Color.Default)
{
NSAttributedString placeholderString = new NSAttributedString(view.Placeholder, new UIStringAttributes {
ForegroundColor = view.PlaceholderTextColor.ToUIColor()
});
Control.AttributedPlaceholder = placeholderString;
}
}
public static void SetAttributedString(this NSTextView view, NSAttributedString str, bool canOverrideTextColor)
{
var textColor = view.TextColor;
view.TextStorage.SetString(str);
// Workaround:
// Apply the previous view's TextColor,
// otherwise it would be reset to Black by the line above.
if (canOverrideTextColor && textColor != null)
{
view.TextColor = textColor;
}
}
private static NSMutableAttributedString AsAttributedString(this TagSpan tagSpan)
{
var tagName = new NSMutableAttributedString(tagSpan.TagName.TruncatedAt(maxTextLength), tagAttributes);
var textAttachment = new TagTextAttachment(tagName, textVerticalOffset, regularFont.Descender);
var tokenString = new NSMutableAttributedString(NSAttributedString.FromAttachment(textAttachment));
var attributes = createBasicAttributes();
attributes.Dictionary[TagId] = new NSNumber(tagSpan.TagId);
attributes.Dictionary[TagName] = new NSString(tagSpan.TagName);
tokenString.AddAttributes(attributes, new NSRange(0, tokenString.Length));
return(tokenString);
}
/// <summary>
/// The on element changed callback.
/// </summary>
/// <param name="e">The event arguments.</param>
protected override void OnElementChanged(ElementChangedEventArgs <Entry> e)
{
base.OnElementChanged(e);
var textField = Control;
//Entry Styling
//Padding
textField.BorderStyle = UITextBorderStyle.Line;
var paddingView = new UIView(new RectangleF(0, 0, 7, 20));
textField.LeftView = paddingView;
textField.LeftViewMode = UITextFieldViewMode.Always;
//Border
textField.Layer.BorderWidth = 1;
textField.Layer.CornerRadius = 4;
textField.Layer.BorderColor = UIColor.FromRGB(202, 223, 233).CGColor;
//Colors
textField.Layer.BackgroundColor = UIColor.FromRGBA(255, 255, 255, 20).CGColor;
textField.TintColor = UIColor.FromCGColor(Color.Transparent.ToCGColor());
//Font size
var fontSize = UIScreen.MainScreen.Bounds.Width > 500.0 ? 35 : 24;
textField.Font = UIFont.FromName("Arial", fontSize);
if (string.IsNullOrEmpty(textField.Placeholder) == false)
{
var placeholderString = new NSAttributedString(textField.Placeholder,
new UIStringAttributes {
ForegroundColor = UIColor.FromRGBA(255, 255, 255, 150)
});
textField.AttributedPlaceholder = placeholderString;
}
//Show Done button if entry is last item in the form otherwise shows Next button
//if (this.Element != null &&(this.Element as HACCPTemperatureEntry).IsLastItem)
textField.ReturnKeyType = UIReturnKeyType.Done;
//else
// textField.ReturnKeyType = UIReturnKeyType.Next;
//Show done button if keyboard is numeric
if (Element != null && Element.Keyboard == Keyboard.Numeric)
{
AddDoneButton();
}
}
/// <summary>
/// Using HTML formating to style UILabel
/// </summary>
/// <param name="label"></param>
/// <param name="rawText"></param>
public static void InitLabelWithHTMLFormat(UILabel label, string rawText)
{
NSAttributedStringDocumentAttributes documentAttributes = new NSAttributedStringDocumentAttributes {
DocumentType = NSDocumentType.HTML
};
documentAttributes.StringEncoding = NSStringEncoding.UTF8;
NSError error = null;
NSAttributedString attributedString = new NSAttributedString(NSData.FromString(rawText, NSStringEncoding.UTF8), documentAttributes, ref error);
//Ensuring text is resiezed correctly when font size is increased
InitLabekWithSpacingAndHTMLFormatting(label, FontType.FontRegular, attributedString, 1.28, 16, 22);
label.TextColor = ColorHelper.TEXT_COLOR_ON_BACKGROUND;
}
static nfloat HeightWrappedToWidth(string title, NSFont font)
{
NSAttributedString textAttrStr = new NSAttributedString(title, font);
CGSize maxSize = new CGSize(PUBLICATION_LINT_WIDTH - 6 * 2, 1000);
CGRect boundRect = textAttrStr.BoundingRectWithSize(maxSize,
NSStringDrawingOptions.TruncatesLastVisibleLine |
NSStringDrawingOptions.UsesLineFragmentOrigin |
NSStringDrawingOptions.UsesFontLeading);
//multiple of 17
nfloat stringHeight = boundRect.Height;
return(stringHeight);
}
public CTTypesetter(NSAttributedString value)
{
if (value == null)
{
throw ConstructorError.ArgumentNull(this, "value");
}
Handle = CTTypesetterCreateWithAttributedString(value.Handle);
if (Handle == IntPtr.Zero)
{
throw ConstructorError.Unknown(this);
}
}
private static NSMutableAttributedString AsAttributedString(this TagSpan tagSpan)
{
var tagName = tagSpan.TagName.TruncatedAt(maxTextLength);
var textAttachment = tagName.GetTagToken();
var tokenString = new NSMutableAttributedString(NSAttributedString.FromAttachment(textAttachment));
var attributes = createBasicAttributes();
attributes.Dictionary[TagId] = new NSNumber(tagSpan.TagId);
attributes.Dictionary[TagName] = new NSString(tagSpan.TagName);
tokenString.AddAttributes(attributes, new NSRange(0, tokenString.Length));
return(tokenString);
}
void UpdateText()
{
var color = Element.TextColor;
if (color == Color.Default)
{
Control.Title = Element.Text ?? "";
}
else
{
var textWithColor = new NSAttributedString(Element.Text ?? "", foregroundColor: color.ToNSColor());
Control.AttributedTitle = textWithColor;
}
}
private void UpdateUi(cxEntry view)
{
try{
if (view.FontSize > 0)
{
this.Control.Font = UIFont.FromName(this.Control.Font.Name, (float)view.FontSize);
}
if (!string.IsNullOrEmpty(view.FontFamily))
{
var fontName = Path.GetFileNameWithoutExtension(view.FontFamily);
var font = UIFont.FromName(fontName, this.Control.Font.PointSize);
if (font != null)
{
this.Control.Font = font;
}
}
if (string.IsNullOrEmpty(view.Placeholder) == false && view.PlaceholderTextColor != Color.Default)
{
NSAttributedString placeholderString = new NSAttributedString(view.Placeholder, new UIStringAttributes()
{
ForegroundColor = view.PlaceholderTextColor.ToUIColor()
});
this.Control.AttributedPlaceholder = placeholderString;
}
switch (view.Alignment)
{
case TextAlignment.Center:
Control.TextAlignment = UITextAlignment.Center;
break;
case TextAlignment.End:
Control.TextAlignment = UITextAlignment.Right;
break;
case TextAlignment.Start:
Control.TextAlignment = UITextAlignment.Left;
break;
}
}
catch (System.Exception ex)
{
Insights.Send("UpdateUi", ex);
}
}
private static Tuple <NSMutableAttributedString, List <NewsCellView.Link> > CreateAttributedStringFromBlocks(UIFont font, UIColor primaryColor, IEnumerable <TextBlock> blocks)
{
var attributedString = new NSMutableAttributedString();
var links = new List <NewsCellView.Link>();
nint lengthCounter = 0;
int i = 0;
CoreText.CTFont ctFont;
try
{
ctFont = new CoreText.CTFont(font.FamilyName, font.PointSize);
}
catch
{
ctFont = CGFont.CreateWithFontName(font.Name).ToCTFont(font.PointSize);
}
foreach (var b in blocks)
{
UIColor color = null;
if (b.Tapped != null)
{
color = LinkColor;
}
color = color ?? primaryColor;
var str = new NSAttributedString(b.Value, new CoreText.CTStringAttributes()
{
ForegroundColor = color.CGColor, Font = ctFont
});
attributedString.Append(str);
var strLength = str.Length;
if (b.Tapped != null)
{
var weakTapped = new WeakReference <Action>(b.Tapped);
links.Add(new NewsCellView.Link {
Range = new NSRange(lengthCounter, strLength), Callback = () => weakTapped.Get()?.Invoke(), Id = i++
});
}
lengthCounter += strLength;
}
return(new Tuple <NSMutableAttributedString, List <NewsCellView.Link> >(attributedString, links));
}
public NSAttributedString AttributedStringFor(NSObject value, NSDictionary attributes)
{
string match = StringFor(value);
if (match == null)
{
return(null);
}
NSMutableDictionary attDict = (NSMutableDictionary)attributes.MutableCopy();
attDict.LowlevelSetObject(value, NSStringAttributeKey.ForegroundColor.Handle);
NSAttributedString atString = new NSAttributedString(match, attDict);
return(atString);
}
public override void WindowDidLoad()
{
Window.BackgroundColor = NSColor.White;
ContentTextView.EnclosingScrollView.BorderType = NSBorderType.NoBorder;
base.WindowDidLoad();
Window.Title = "Teams and Conditions";
string filePath = NSBundle.MainBundle.PathForResource("/Images/Setting/Termsandconditions", "doc");
NSData fileData = NSData.FromFile(filePath);
NSDictionary docAttributeo = new NSDictionary();
var content = new NSAttributedString(fileData, out docAttributeo);
//var newContent = new NSAttributedString (SettingsUtil.Instance.GetTermsAndConditions ());
ContentTextView.TextStorage.SetString(content);
}
void SetPlaceholderColor(PickerView picker)
{
string placeholderColor = picker.PlaceholderColor;
UIColor color = UIColor.FromRGB(GetRed(placeholderColor), GetGreen(placeholderColor), GetBlue(placeholderColor));
var placeholderAttributes = new NSAttributedString(picker.Title, new UIStringAttributes()
{
ForegroundColor = color
});
if (Control != null)
{
Control.AttributedPlaceholder = placeholderAttributes;
}
}
protected override void OnElementChanged(ElementChangedEventArgs <Button> e)
{
base.OnElementChanged(e);
if (Control == null)
{
return;
}
var title = new NSAttributedString(Control.CurrentTitle, new UIStringAttributes {
ForegroundColor = DisabledColor
});
Control.SetAttributedTitle(title, UIControlState.Disabled);
}
void SetTextColor(ExtendedEntry view)
{
try
{
NSAttributedString TextString = new NSAttributedString(view.Text, new UIStringAttributes()
{
ForegroundColor = view.TextColor.ToUIColor()
});
Control.AttributedText = TextString;
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
}
}
public static NSButton CreateClickableLabel(CGRect rect, NSFont font, NSAttributedString text)
{
var label = new NSButton(rect)
{
AttributedTitle = text,
BezelStyle = NSBezelStyle.Inline,
Bordered = false,
Font = font,
ImagePosition = NSCellImagePosition.ImageLeft, TranslatesAutoresizingMaskIntoConstraints = false
};
label.SetButtonType(NSButtonType.MomentaryPushIn);
return(label);
}
protected virtual void SetupResendCodeButton(UIButton button)
{
button.SetupStyle(ThemeConfig.TextButton);
var paragraphStyle = new NSMutableParagraphStyle();
paragraphStyle.Alignment = UITextAlignment.Center;
var resendTitle = new NSAttributedString(LocalizationService.GetLocalizableString(AuthConst.RESX_NAME, "Password_Sms_SentAgain"),
font: (UIFont)ThemeConfig.TextButton.Font,
foregroundColor: button.TitleLabel.TextColor,
paragraphStyle: paragraphStyle);
button.WithAttributedTitleForAllStates(resendTitle);
}
public CTTypesetter(NSAttributedString value, CTTypesetterOptions options)
{
if (value == null)
{
throw ConstructorError.ArgumentNull(this, "value");
}
handle = CTTypesetterCreateWithAttributedStringAndOptions(value.Handle,
options == null ? IntPtr.Zero : options.Dictionary.Handle);
if (handle == IntPtr.Zero)
{
throw ConstructorError.Unknown(this);
}
}
void UpdateCancelButton()
{
var cancelButtonColor = Element.CancelButtonColor;
if (cancelButtonColor.IsDefault)
{
Control.Cell.CancelButtonCell.Title = "";
}
else
{
var textWithColor = new NSAttributedString(Control.Cell.CancelButtonCell.Title ?? "",
foregroundColor: cancelButtonColor.ToNSColor());
Control.Cell.CancelButtonCell.AttributedTitle = textWithColor;
}
}
/// <summary>
/// Creates an NSAttibutedString html string using the custom tags for styling.
/// </summary>
/// <returns>NSAttibutedString</returns>
/// <param name="text">Text to display including html tags</param>
/// <param name="customTags">A list of custom <c>CSSTagStyle</c> instances that set the styling for the html</param>
/// <param name="useExistingStyles">Existing CSS styles willl be used If set to <c>true</c></param>
public NSAttributedString CreateHtmlString(string text, List <CssTag> customTags = null, bool useExistingStyles = true)
{
var error = new NSError();
text = HtmlTextStyleParser.StyleString(text, _textStyles, customTags, useExistingStyles);
var stringAttribs = new NSAttributedStringDocumentAttributes {
DocumentType = NSDocumentType.HTML,
StringEncoding = NSStringEncoding.UTF8
};
var htmlString = new NSAttributedString(text, stringAttribs, ref error);
return(htmlString);
}
/// <summary>
/// Adds Accessibility label on the label using the raw text containing html
/// </summary>
/// <param name="label"></param>
/// <param name="rawText"></param>
public static void InitLabelAccessibilityTextWithHTMLFormat(UILabel label, string rawText)
{
//Defining attibutes inorder to format the embedded link
NSAttributedStringDocumentAttributes documentAttributes = new NSAttributedStringDocumentAttributes {
DocumentType = NSDocumentType.HTML
};
documentAttributes.StringEncoding = NSStringEncoding.UTF8;
NSError error = null;
NSAttributedString attributedString = new NSAttributedString(NSData.FromString(rawText, NSStringEncoding.UTF8), documentAttributes, ref error);
NSMutableAttributedString text = new NSMutableAttributedString(attributedString);
label.AccessibilityAttributedLabel = text;
}
public static UILabel LabelForTitle(string title)
{
var TitleView = new UILabel {
BackgroundColor = UIColor.Clear,
Font = UIFont.FromName ("Montserrat-Bold", 17.5f),
Frame = new RectangleF (0, 0, 0, 0),
Text = title.ToUpper (),
TextColor = UIColor.White
};
TitleView.SizeToFit ();
var str = new NSAttributedString (title, new CTStringAttributes () { KerningAdjustment = 1.5f });
TitleView.AttributedText = str;
return TitleView;
}
public NSAttributedString AttributedStringForParagraph (XElement paragraph)
{
var returnValue = new NSMutableAttributedString ();
// TODO: find stage directions and format them differently
if (ParagraphIsStageDirection (paragraph)) {
var stageDirection = new NSAttributedString (TextForParagraph (paragraph),
font: UIFont.FromName ("Helvetica-LightOblique", 24),
paragraphStyle: new NSMutableParagraphStyle () { Alignment = UITextAlignment.Center, LineSpacing = 10});
returnValue.Append (stageDirection);
} else {
var speaker = new NSAttributedString (SpeakerForParagraph (paragraph),
font: UIFont.FromName ("HoeflerText-Black", 24),
foregroundColor: UIColor.Brown
);
var text = new NSAttributedString (TextForParagraph (paragraph),
font: UIFont.FromName ("HoeflerText-Regular", 24.0f),
foregroundColor: UIColor.Black
#if TEST_OTHER_ATTRIBUTES
,backgroundColor: UIColor.Yellow,
ligatures: NSLigatureType.None,
kerning: 10,
underlineStyle: NSUnderlineStyle.Single,
shadow: new NSShadow () { ShadowColor = UIColor.Red, ShadowOffset = new System.Drawing.SizeF (5, 5) },
strokeWidth: 5
#endif
);
returnValue.Append (speaker, " ", text);
}
if (Paragraphs.IndexOf (paragraph) == SelectedParagraph) {
returnValue.AddAttribute (UIStringAttributeKey.ForegroundColor, UIColor.White, new NSRange (0, returnValue.Length));
returnValue.AddAttribute (UIStringAttributeKey.BackgroundColor, UIColor.FromHSB (.6f, .6f, .7f), new NSRange (0, returnValue.Length));
}
returnValue.EnumerateAttribute (UIStringAttributeKey.ParagraphStyle, new NSRange (0, returnValue.Length), NSAttributedStringEnumeration.LongestEffectiveRangeNotRequired,
(NSObject value, NSRange range, ref bool stop) => {
var style = value == null ? new NSMutableParagraphStyle () : (NSMutableParagraphStyle)value.MutableCopy ();
style.MinimumLineHeight = LineHeight;
style.MaximumLineHeight = LineHeight;
returnValue.AddAttribute (UIStringAttributeKey.ParagraphStyle, style, range);
});
return returnValue;
}
public static UIImage ToUIImage(this IIcon icon, nfloat size)
{
var attributedString = new NSAttributedString($"{icon.Character}", new CTStringAttributes
{
Font = new CTFont(Iconize.FindModuleOf(icon).FontName, size),
ForegroundColorFromContext = true
});
var boundSize = attributedString.GetBoundingRect(new CGSize(10000, 10000), NSStringDrawingOptions.UsesLineFragmentOrigin, null).Size;
UIGraphics.BeginImageContextWithOptions(boundSize, false, 0f);
attributedString.DrawString(new CGRect(0, 0, boundSize.Width, boundSize.Height));
var image = UIGraphics.GetImageFromCurrentImageContext();
UIGraphics.EndImageContext();
return image;
}
public override NSAttributedString GetCellBottomLabelAttributedText (MessagesCollectionView collectionView, NSIndexPath indexPath)
{
MessageViewModel message = viewModel.Messages [indexPath.Row];
if (!message.IsIncoming)
{
var messageStatusAttributes = new UIStringAttributes {
ForegroundColor = Theme.Current.IncomingTextColor,
BackgroundColor = UIColor.White,
Font = Theme.Current.MessageFont
};
var messageStatus = new NSAttributedString (GetMessageStatus(message), messageStatusAttributes);
return messageStatus;
}
return null;
}
public LabelDetailController()
{
coloredLabel.SetTextColor (UIColor.Purple);
var attrString = new NSAttributedString ("Ultralight Label", new UIStringAttributes {
Font = UIFont.SystemFontOfSize (16f, UIFontWeight.UltraLight)
});
ultralightLabel.SetText (attrString);
var components = new NSDateComponents {
Day = 10,
Month = 12,
Year = 2015
};
timer.SetDate (NSCalendar.CurrentCalendar.DateFromComponents (components));
timer.Start ();
}
private void SetPlaceholderText()
{
if (Element == null)
{
return;
}
string placeholderText = (string)Element.GetValue(Entry.PlaceholderProperty);
var placeholderAttributes = new UIStringAttributes {
ForegroundColor = UIColor.FromRGB(160/255.0f, 160/255.0f, 160/255.0f),
Font = UIFont.SystemFontOfSize(24)
};
NSAttributedString placeholder = new NSAttributedString(placeholderText, placeholderAttributes);
Control.AttributedPlaceholder = placeholder;
}
public override void Awake(NSObject context)
{
base.Awake(context);
_wormHole = new Wormhole (AppSettings.iOSAppGroupIdentifier, AppSettings.iOSAppGroupDirectory);
_wormHole.ListenForMessage<NextPillsMessage> (NextPillsMessage.MessageType, UpdateUI);
var waitingAttrString = new NSAttributedString("Please, open Patients on your iPhone",
new UIStringAttributes { Font = UIFont.SystemFontOfSize(14, UIFontWeight.Light) });
waitingLabel.SetText(waitingAttrString);
var nextInAttrString = new NSAttributedString("Next",
new UIStringAttributes { Font = UIFont.SystemFontOfSize(14, UIFontWeight.Medium) });
nextInLabel.SetText(nextInAttrString);
ToggleUI(true);
}
public DetailViewController(RSSFeedItem item)
: base(UITableViewStyle.Grouped, null, true)
{
var attributes = new NSAttributedStringDocumentAttributes();
attributes.DocumentType = NSDocumentType.HTML;
attributes.StringEncoding = NSStringEncoding.UTF8;
var error = new NSError();
var htmlString = new NSAttributedString(item.Description, attributes, ref error);
Root = new RootElement(item.Title) {
new Section{
new StringElement(item.Author),
new StringElement(item.PublishDate),
new StyledMultilineElement(htmlString),
new HtmlElement("Full Article", item.Link)
}
};
}
private void ConfigureAttributedTextSystemButton()
{
UIStringAttributes attribs = new UIStringAttributes {
ForegroundColor = ApplicationColors.Blue,
StrikethroughStyle = NSUnderlineStyle.Single,
};
var titleAttributes = new NSAttributedString ("Button".Localize(), attribs);
AttributedTextButton.SetAttributedTitle (titleAttributes, UIControlState.Normal);
var highlightedTitleAttributes = new UIStringAttributes {
ForegroundColor = UIColor.Green,
StrikethroughStyle = NSUnderlineStyle.Thick
};
var highlightedAttributedTitle = new NSAttributedString ("Button".Localize (), highlightedTitleAttributes);
AttributedTextButton.SetAttributedTitle (highlightedAttributedTitle, UIControlState.Highlighted);
AttributedTextButton.TouchUpInside += OnButtonClicked;
}
private float HeightOfText(string text,int width)
{
UIFont font = UIFont.SystemFontOfSize(15.0f);
NSMutableParagraphStyle paragraphStyle = new NSMutableParagraphStyle();
paragraphStyle.LineBreakMode = UILineBreakMode.WordWrap;
NSMutableDictionary attributes = new NSMutableDictionary();
attributes[UIStringAttributeKey.Font] = font;
attributes[UIStringAttributeKey.ParagraphStyle] = paragraphStyle;
NSAttributedString attributedText = new NSAttributedString (text, attributes);
RectangleF paragraphRect = attributedText.GetBoundingRect(
new System.Drawing.SizeF(width, float.MaxValue),
NSStringDrawingOptions.UsesLineFragmentOrigin,
null);
return paragraphRect.Height;
}
protected override void OnElementChanged(ElementChangedEventArgs<Label> e)
{
base.OnElementChanged (e);
if (e.NewElement != null)
{
var element = (HtmlView)e.NewElement;
if (element.Text != null)
{
NSError error = null;
var attributedString = new NSAttributedString (NSData.FromString (e.NewElement.Text), new NSAttributedStringDocumentAttributes { DocumentType = NSDocumentType.HTML }, ref error);
this.Control.AttributedText = attributedString;
this.Control.TextColor = UIColor.White;
this.Control.Font = UIFont.FromName ("Orbitron", 16);
this.Control.AdjustsFontSizeToFitWidth = true;
}
}
}
public static NSAttributedString ToAttributedString(this PriceMovement priceMovement, IPrice price)
{
if (price == null)
{
return new NSAttributedString(string.Empty);
}
var movementText = new Dictionary<PriceMovement, NSAttributedString>
{
{PriceMovement.Up, new NSAttributedString("▲", _arrowFont, UIColor.Green) },
{PriceMovement.Down, new NSAttributedString("▼", _arrowFont, UIColor.Red) },
{PriceMovement.None, new NSAttributedString("▼", _arrowFont, UIColor.Clear) }
};
var spread = new NSAttributedString(price.Spread.ToString("0.0") + " ");
var text = new NSMutableAttributedString(spread);
text.Append(movementText[priceMovement]);
return text;
}
public void BindDataToView(string nickname, string bio){
if (!String.IsNullOrEmpty (nickname)) {
NSMutableAttributedString attributedString = new NSMutableAttributedString (nickname);
attributedString.BeginEditing ();
attributedString.AddAttribute (UIStringAttributeKey.Font, UIFont.BoldSystemFontOfSize(14), new NSRange (0, attributedString.Value.Length));
if(!String.IsNullOrEmpty(bio)){
var test = attributedString.Length;
attributedString.Append(new NSAttributedString ("\n"));
attributedString.Append(new NSAttributedString(bio));
attributedString.AddAttribute (UIStringAttributeKey.Font, UIFont.SystemFontOfSize(14), new NSRange (test, attributedString.Value.Length - test));
}
attributedString.AddAttribute (UIStringAttributeKey.ForegroundColor, UIColor.FromRGB (129, 132, 136), new NSRange (0, attributedString.Value.Length));
AttributedText = attributedString;
} else if(!String.IsNullOrEmpty(bio)){
NSMutableAttributedString attributedString = new NSMutableAttributedString ("");
attributedString.Append(new NSAttributedString(bio));
attributedString.AddAttribute (UIStringAttributeKey.Font, UIFont.SystemFontOfSize (14), new NSRange (0, attributedString.Value.Length));
attributedString.AddAttribute (UIStringAttributeKey.ForegroundColor, UIColor.FromRGB (129, 132, 136), new NSRange (0, attributedString.Value.Length));
AttributedText = new NSAttributedString (attributedString);
}
}
void DrawTexts(List<string> tagStrings, List<RectangleF> rects)
{
using (CGContext gctx = UIGraphics.GetCurrentContext ()) {
gctx.SaveState ();
gctx.ScaleCTM (1f, -1f);
gctx.TranslateCTM (0, Frame.Height);
gctx.SetFillColor (UIColor.Green.CGColor);
for (int i = 0; i < tagStrings.Count; i++) {
gctx.SaveState ();
var attributedString = new NSAttributedString (tagStrings[i],
new CTStringAttributes {
ForegroundColorFromContext = true,
Font = new CTFont ("ArialMT", 48)
});
gctx.TextPosition = new PointF (rects[i].X, rects[i].Y);
using (var textLine = new CTLine (attributedString)) {
textLine.Draw (gctx);
}
gctx.RestoreState ();
}
gctx.RestoreState ();
}
}
public override void Draw(CGRect rect)
{
base.Draw (rect);
var gctx = UIGraphics.GetCurrentContext ();
gctx.TranslateCTM (10, 0.5f * Bounds.Height);
gctx.ScaleCTM (1, -1);
gctx.RotateCTM ((float)Math.PI * 315 / 180);
gctx.SetFillColor (UIColor.Green.CGColor);
string someText = "你好世界";
var attributedString = new NSAttributedString (someText,
new CTStringAttributes{
ForegroundColorFromContext = true,
Font = new CTFont ("Arial", 24)
});
using (var textLine = new CTLine (attributedString)) {
textLine.Draw (gctx);
}
}
private NSAttributedString GetAttributedTitle (UIPickerView pickerView, int row, int component)
{
float colorValue = row * RGB.offset;
float value = colorValue / RGB.max;
float redColorComponent = RGB.min;
float greenColorComponent = RGB.min;
float blueColorComponent = RGB.min;
switch( (ColorComponent)component)
{
case ColorComponent.Red:
redColorComponent = value;
break;
case ColorComponent.Green:
greenColorComponent = value;
break;
case ColorComponent.Blue:
blueColorComponent = value;
break;
default:
throw new InvalidOperationException ("Invalid row/component combination for picker view.");
}
UIColor foregroundColor = new UIColor (redColorComponent, greenColorComponent, blueColorComponent, alpha: 1f);
// Set the foreground color for the entire attributed string.
UIStringAttributes attributes = new UIStringAttributes {
ForegroundColor = foregroundColor
};
var title = new NSAttributedString (string.Format ("{0}", (int)colorValue), attributes);
return title;
}
