private void FeedTags(List <string> tagNames, UIButton btn)
{
// Construct tags attributed strings:
NSMutableAttributedString text = null;
foreach (var tag in tagNames)
{
var chip = NSAttributedString.CreateFrom(new NSTextAttachment {
Image = ServiceContainer.Resolve <TagChipCache> ().Get(tag, btn),
});
if (text == null)
{
text = new NSMutableAttributedString(chip);
}
else
{
text.Append(new NSAttributedString(" ", Style.EditTimeEntry.WithTags));
text.Append(chip);
}
}
if (text == null)
{
btn.SetAttributedTitle(new NSAttributedString("EditEntryTagsHint".Tr(), Style.EditTimeEntry.NoTags), UIControlState.Normal);
}
else
{
btn.SetAttributedTitle(text, UIControlState.Normal);
}
}
private 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>.
NSString 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, value: boldFont, range: boldRange);
// Add highlight.
attributedText.AddAttribute(UIStringAttributeKey.BackgroundColor, value: ApplicationColors.Green, range: highlightedRange);
// Add underline.
attributedText.AddAttribute(UIStringAttributeKey.UnderlineStyle, value: NSNumber.FromInt32((int)NSUnderlineStyle.Single), range: underlinedRange);
// Add tint.
attributedText.AddAttribute(UIStringAttributeKey.ForegroundColor, value: ApplicationColors.Blue, range: 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;
}
private void Initialize()
{
var attachment = new NSTextAttachment {
Image = Image,
Bounds = new CGRect(-Insets.Left, ImageYPosition, ImageSize.Height, ImageSize.Width)
};
var newText = new NSMutableAttributedString();
newText.Append(NSAttributedString.CreateFrom(attachment));
NSAttributedString labelText = new NSAttributedString(Text ?? " ");
newText.Append(labelText);
AttributedText = newText;
}
private void BindTagsButton(UIButton v)
{
if (tagsView == null)
{
return;
}
// Construct tags attributed strings:
NSMutableAttributedString text = null;
foreach (var tag in tagsView.Data)
{
if (String.IsNullOrWhiteSpace(tag))
{
continue;
}
var chip = NSAttributedString.CreateFrom(new NSTextAttachment()
{
Image = ServiceContainer.Resolve <TagChipCache> ().Get(tag, v),
});
if (text == null)
{
text = new NSMutableAttributedString(chip);
}
else
{
text.Append(new NSAttributedString(" ", Style.EditTimeEntry.WithTags));
text.Append(chip);
}
}
if (text == null)
{
v.SetAttributedTitle(new NSAttributedString("EditEntryTagsHint".Tr(), Style.EditTimeEntry.NoTags), UIControlState.Normal);
}
else
{
v.SetAttributedTitle(text, UIControlState.Normal);
}
}
private 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);
// Find the range of each element to modify.
var text = textView.Text;
var boldRange = GetRangeFor(text, "bold");
var highlightedRange = GetRangeFor(text, "highlighted");
var underlinedRange = GetRangeFor(text, "underlined");
var tintedRange = GetRangeFor(text, "tinted");
// 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, UIColor.Green, highlightedRange);
// Add underline.
attributedText.AddAttribute(UIStringAttributeKey.UnderlineStyle, NSNumber.FromInt32((int)NSUnderlineStyle.Single), underlinedRange);
// Add tint.
attributedText.AddAttribute(UIStringAttributeKey.ForegroundColor, UIColor.Blue, tintedRange);
// Add image attachment.
var image = UIImage.FromBundle("text_view_attachment");
var textAttachment = new NSTextAttachment
{
Image = image,
Bounds = new CGRect(PointF.Empty, image.Size),
};
var textAttachmentString = NSAttributedString.CreateFrom(textAttachment);
attributedText.Append(new NSAttributedString(Environment.NewLine));
attributedText.Append(textAttachmentString);
textView.AttributedText = attributedText;
image.Dispose();
attributedText.Dispose();
image = null;
attributedText = null;
NSRange GetRangeFor(string source, string substring)
{
return(new NSRange
{
Location = source.IndexOf(substring, StringComparison.OrdinalIgnoreCase),
Length = substring.Length
});
}
}
