private static NSMutableAttributedString buildAttributedString(string text, Font font,
Color? fontColor=null)
{
// Create a new attributed string definition
var ctAttributes = new CTStringAttributes ();
// Font attribute
ctAttributes.Font = font.nativeFont;
// -- end font
if (fontColor.HasValue) {
// Font color
var fc = fontColor.Value;
var cgColor = new CGColor(fc.R / 255f,
fc.G / 255f,
fc.B / 255f,
fc.A / 255f);
ctAttributes.ForegroundColor = cgColor;
ctAttributes.ForegroundColorFromContext = false;
// -- end font Color
}
if (font.Underline) {
// Underline
#if MONOMAC
int single = (int)MonoMac.AppKit.NSUnderlineStyle.Single;
int solid = (int)MonoMac.AppKit.NSUnderlinePattern.Solid;
var attss = single | solid;
ctAttributes.UnderlineStyleValue = attss;
#else
ctAttributes.UnderlineStyleValue = 1;
#endif
// --- end underline
}
if (font.Strikeout) {
// StrikeThrough
// NSColor bcolor = NSColor.Blue;
// NSObject bcolorObject = new NSObject(bcolor.Handle);
// attsDic.Add(NSAttributedString.StrikethroughColorAttributeName, bcolorObject);
// #if MACOS
// int stsingle = (int)MonoMac.AppKit.NSUnderlineStyle.Single;
// int stsolid = (int)MonoMac.AppKit.NSUnderlinePattern.Solid;
// var stattss = stsingle | stsolid;
// var stunderlineObject = NSNumber.FromInt32(stattss);
// #else
// var stunderlineObject = NSNumber.FromInt32 (1);
// #endif
//
// attsDic.Add(StrikethroughStyleAttributeName, stunderlineObject);
// --- end underline
}
// Text alignment
var alignment = CTTextAlignment.Left;
var alignmentSettings = new CTParagraphStyleSettings();
alignmentSettings.Alignment = alignment;
var paragraphStyle = new CTParagraphStyle(alignmentSettings);
ctAttributes.ParagraphStyle = paragraphStyle;
// end text alignment
NSMutableAttributedString atts =
new NSMutableAttributedString(text,ctAttributes.Dictionary);
return atts;
}
private NSMutableAttributedString buildAttributedString(string text, Font font, StringFormat format = null,
Color? fontColor=null)
{
// Create a new attributed string definition
var ctAttributes = new CTStringAttributes ();
// Font attribute
ctAttributes.Font = font.nativeFont;
// -- end font
if (format != null && (format.FormatFlags & StringFormatFlags.DirectionVertical) == StringFormatFlags.DirectionVertical)
{
//ctAttributes.VerticalForms = true;
}
if (fontColor.HasValue) {
// Font color
var fc = fontColor.Value;
var cgColor = new CGColor(fc.R / 255f,
fc.G / 255f,
fc.B / 255f,
fc.A / 255f);
ctAttributes.ForegroundColor = cgColor;
ctAttributes.ForegroundColorFromContext = false;
// -- end font Color
}
if (font.Underline) {
// Underline
#if MONOMAC
int single = (int)MonoMac.AppKit.NSUnderlineStyle.Single;
int solid = (int)MonoMac.AppKit.NSUnderlinePattern.Solid;
var attss = single | solid;
ctAttributes.UnderlineStyleValue = attss;
#else
ctAttributes.UnderlineStyleValue = 1;
#endif
// --- end underline
}
if (font.Strikeout) {
// StrikeThrough
#if MONOMAC
int single = (int)MonoMac.AppKit.NSUnderlineStyle.Single;
int solid = (int)MonoMac.AppKit.NSUnderlinePattern.Solid;
var attss = single | solid;
ctAttributes.UnderlineStyleValue = attss;
#else
ctAttributes.UnderlineStyleValue = 1;
#endif
// --- end StrikeThrough
}
var alignment = CTTextAlignment.Left;
var alignmentSettings = new CTParagraphStyleSettings();
alignmentSettings.Alignment = alignment;
var paragraphStyle = new CTParagraphStyle(alignmentSettings);
ctAttributes.ParagraphStyle = paragraphStyle;
// end text alignment
NSMutableAttributedString atts =
new NSMutableAttributedString(text,ctAttributes.Dictionary);
return atts;
}
public static NSAttributedString ToAttributedStringWithMnemonic(this string value, NSDictionary attributes = null)
{
if (value == null)
return null;
var match = Regex.Match(value, @"(?<=([^&](?:[&]{2})*)|^)[&](?![&])");
if (match.Success)
{
value = value.Remove(match.Index, 1);
value = value.Replace("&&", "&");
var str = attributes != null ? new NSMutableAttributedString(value, attributes) : new NSMutableAttributedString(value);
var attr = new CTStringAttributes();
attr.UnderlineStyle = CTUnderlineStyle.Single;
str.AddAttributes(attr, new NSRange(match.Index, 1));
return str;
}
else
{
value = value.Replace("&&", "&");
return attributes != null ? new NSAttributedString(value, attributes) : new NSAttributedString(value);
}
}
public void SetAttributes(CTStringAttributes attrs, NSRange range)
{
SetAttributes (attrs == null ? null : attrs.Dictionary, range);
}
public NSMutableAttributedString(string str, CTStringAttributes attributes)
: this(str, attributes == null ? null : attributes.Dictionary)
{
}
public NSAttributedString (string str, CTStringAttributes attributes)
: this (str, attributes != null ? attributes.Dictionary : null)
{
}