private void UpdateFormattedText()
{
if (Element?.FormattedText == null)
{
return;
}
var extensionType = typeof(FormattedStringExtensions);
var type = extensionType.GetNestedType("FontSpan", BindingFlags.NonPublic);
var ss = new SpannableString(Control.TextFormatted);
var spans = ss.GetSpans(0, ss.ToString().Length, Class.FromType(type));
foreach (var span in spans)
{
var font = (Font)type.GetProperty("Font").GetValue(span, null);
if ((font.FontFamily ?? Element.FontFamily) != null)
{
var start = ss.GetSpanStart(span);
var end = ss.GetSpanEnd(span);
var flags = ss.GetSpanFlags(span);
ss.RemoveSpan(span);
var newSpan = new CustomTypefaceSpan(Control, Element, font);
ss.SetSpan(newSpan, start, end, flags);
}
}
Control.TextFormatted = ss;
}
private Object[] GetSpans <T>(SpannableString?spannable, TextRange textRange)
{
return(spannable?.GetSpans(
textRange.Position,
textRange.Position + textRange.Length,
Java.Lang.Class.FromType(typeof(T))) ?? new Object[] { });
}
private static SpannableString AddImages(PostDataObject item, Context context, SpannableString spendable)
{
try
{ //Regex pattern that looks for embedded images of the format: [img src=imageName/]
//exp. This [img src=imageName/] is an icon.
Pattern refImg = Pattern.Compile("\\Q[img src=\\E([a-zA-Z0-9_]+?)\\Q/]\\E");
//bool hasChanges = false;
Matcher matcher = refImg.Matcher(spendable);
while (matcher.Find())
{
bool set = true;
foreach (var span in spendable.GetSpans(matcher.Start(), matcher.End(), Class.FromType(typeof(ImageSpan))))
{
if (spendable.GetSpanStart(span) >= matcher.Start() && spendable.GetSpanEnd(span) <= matcher.End())
{
spendable.RemoveSpan(span);
}
else
{
set = false;
break;
}
}
if (set)
{
string resName = spendable.SubSequence(matcher.Start(1), matcher.End(1))?.Trim();
int id = context.Resources.GetIdentifier(resName, "drawable", context.PackageName);
var d = ContextCompat.GetDrawable(context, id);
if (d != null)
{
d.SetBounds(0, 0, d.IntrinsicWidth, d.IntrinsicHeight);
spendable.SetSpan(new ImageSpan(d, SpanAlign.Baseline), matcher.Start(), matcher.End(), SpanTypes.ExclusiveExclusive);
}
else
{
spendable.SetSpan(new ImageSpan(context, id, SpanAlign.Baseline), matcher.Start(), matcher.End(), SpanTypes.ExclusiveExclusive);
}
//hasChanges = true;
}
}
var username = WoWonderTools.GetNameFinal(Publisher);
SetTextStyle(spendable, username, TypefaceStyle.Bold);
if (spendable.ToString() !.Contains(context.GetText(Resource.String.Lbl_ChangedProfileCover)))
{
SetTextColor(spendable, context.GetText(Resource.String.Lbl_ChangedProfileCover), "#888888");
}
else if (spendable.ToString() !.Contains(context.GetText(Resource.String.Lbl_ChangedProfilePicture)))
{
SetTextColor(spendable, context.GetText(Resource.String.Lbl_ChangedProfilePicture), "#888888");
}
public static void RecalculateSpanPositions(this TextView textView, Label element, SpannableString spannableString, SizeRequest finalSize)
{
if (element?.FormattedText?.Spans == null || element.FormattedText.Spans.Count == 0)
{
return;
}
var labelWidth = finalSize.Request.Width;
if (labelWidth <= 0 || finalSize.Request.Height <= 0)
{
return;
}
if (spannableString == null || spannableString.IsDisposed())
{
return;
}
var layout = textView.Layout;
if (layout == null)
{
return;
}
int next = 0;
int count = 0;
IList <int> totalLineHeights = new List <int>();
for (int i = 0; i < spannableString.Length(); i = next)
{
var type = Java.Lang.Class.FromType(typeof(Java.Lang.Object));
var span = element.FormattedText.Spans[count];
count++;
if (string.IsNullOrEmpty(span.Text))
{
continue;
}
// find the next span
next = spannableString.NextSpanTransition(i, spannableString.Length(), type);
// get all spans in the range - Android can have overlapping spans
var spans = spannableString.GetSpans(i, next, type);
var startSpan = spans[0];
var endSpan = spans[spans.Length - 1];
var startSpanOffset = spannableString.GetSpanStart(startSpan);
var endSpanOffset = spannableString.GetSpanEnd(endSpan);
var thisLine = layout.GetLineForOffset(endSpanOffset);
var lineStart = layout.GetLineStart(thisLine);
var lineEnd = layout.GetLineEnd(thisLine);
//If this is true, endSpanOffset has the value for another line that belong to the next span and not it self.
//So it should be rearranged to value not pass the lineEnd.
if (endSpanOffset > (lineEnd - lineStart))
{
endSpanOffset = lineEnd;
}
var startX = layout.GetPrimaryHorizontal(startSpanOffset);
var endX = layout.GetPrimaryHorizontal(endSpanOffset);
var startLine = layout.GetLineForOffset(startSpanOffset);
var endLine = layout.GetLineForOffset(endSpanOffset);
double[] lineHeights = new double[endLine - startLine + 1];
// calculate all the different line heights
for (var lineCount = startLine; lineCount <= endLine; lineCount++)
{
var lineHeight = layout.GetLineBottom(lineCount) - layout.GetLineTop(lineCount);
lineHeights[lineCount - startLine] = lineHeight;
if (totalLineHeights.Count <= lineCount)
{
totalLineHeights.Add(lineHeight);
}
}
var yaxis = 0.0;
for (var line = startLine; line > 0; line--)
{
yaxis += totalLineHeights[line];
}
((ISpatialElement)span).Region = Region.FromLines(lineHeights, labelWidth, startX, endX, yaxis).Inflate(10);
}
}
private static bool AddImages(Context context, SpannableString spannable)
{
string pattern = "\\Q[img src=\\E([a-zA-Z0-9_]+?)\\Q/]\\E";
//MatchCollection m = Regex.Matches(spannable, pattern, System.Text.RegularExpressions.RegexOptions.IgnoreCase);
//foreach (Match match in m)
// Console.WriteLine("{0} (duplicates '{1}') at position {2}", match.Value, match.Groups[1].Value, match.Index);
Java.Util.Regex.Pattern refImg = Java.Util.Regex.Pattern.Compile(pattern);
bool hasChanges = false;
Matcher matcher = refImg.Matcher(spannable);
while (matcher.Find())
{
bool set = true;
foreach (ImageSpan span in spannable.GetSpans(matcher.Start(), matcher.End(), Java.Lang.Class.FromType(typeof(ImageSpan))))
{
if (spannable.GetSpanStart(span) >= matcher.Start() && spannable.GetSpanEnd(span) <= matcher.End())
{
spannable.RemoveSpan(span);
}
else
{
set = false;
break;
}
}
string resname = spannable.SubSequence(matcher.Start(1), matcher.End(1)).ToString().Trim();
//int id = context.Resources.GetIdentifier(resname, "drawable", context.PackageName);
if (set)
{
hasChanges = true;
int identifier = context.Resources.GetIdentifier("modezoneedit", "drawable", context.PackageName);
bool isSvg = true; Bitmap bitmap2 = null;
if (isSvg)
{
SvgBitmapDrawable oo = SvgFactory.GetDrawable(context.Resources, identifier);
//oo.Mutate().SetColorFilter(0xffff0000, Android.Graphics.PorterDuff.Mode.Multiply);
Bitmap bitmap = Bitmap.CreateBitmap(oo.Picture.Width, oo.Picture.Height, Bitmap.Config.Argb8888);
Canvas canvas = new Canvas(bitmap);
canvas.DrawPicture(oo.Picture);
bitmap2 = Bitmap.CreateScaledBitmap(bitmap, (int)(bitmap.Width * 0.3), (int)(bitmap.Height * 0.3), false);
}
else
{
bitmap2 = BitmapFactory.DecodeResource(context.Resources, identifier);
bitmap2 = Bitmap.CreateScaledBitmap(bitmap2, (int)(bitmap2.Width * 0.3), (int)(bitmap2.Height * 0.3), false);
}
ImageSpan span = new ImageSpan(context, bitmap2);
spannable.SetSpan(span, matcher.Start(), matcher.End(), SpanTypes.ExclusiveExclusive);
/*spannable.SetSpan(new ImageSpan(context, id),
* matcher.Start(),
* matcher.End(),
* SpanTypes.ExclusiveExclusive
* );*/
}
//if (isLastPoint) canvas.DrawColor(Color.Green, PorterDuff.Mode.SrcAtop);
//Bitmap b = BitmapFactory.DecodeResource(context.Resources, Resource.Drawable.ModeZoneEdit);
}
return(hasChanges);
}
private static void AddImages(PostDataObject item, Context context, SpannableString spendable)
{
try
{ //Regex pattern that looks for embedded images of the format: [img src=imageName/]
//exp. This [img src=imageName/] is an icon.
Pattern refImg = Pattern.Compile("\\Q[img src=\\E([a-zA-Z0-9_]+?)\\Q/]\\E");
//bool hasChanges = false;
Matcher matcher = refImg.Matcher(spendable);
while (matcher.Find())
{
bool set = true;
foreach (var span in spendable.GetSpans(matcher.Start(), matcher.End(), Class.FromType(typeof(ImageSpan))))
{
if (spendable.GetSpanStart(span) >= matcher.Start() && spendable.GetSpanEnd(span) <= matcher.End())
{
spendable.RemoveSpan(span);
}
else
{
set = false;
break;
}
}
if (set)
{
string resName = spendable.SubSequence(matcher.Start(1), matcher.End(1)).Trim();
int id = context.Resources.GetIdentifier(resName, "drawable", context.PackageName);
var d = ContextCompat.GetDrawable(context, id);
if (d != null)
{
d.SetBounds(0, 0, d.IntrinsicWidth, d.IntrinsicHeight);
spendable.SetSpan(new ImageSpan(d, SpanAlign.Baseline), matcher.Start(), matcher.End(), SpanTypes.ExclusiveExclusive);
}
else
{
spendable.SetSpan(new ImageSpan(context, id, SpanAlign.Baseline), matcher.Start(), matcher.End(), SpanTypes.ExclusiveExclusive);
}
//hasChanges = true;
}
}
var username = WoWonderTools.GetNameFinal(Publisher);
SetTextStyle(spendable, username, TypefaceStyle.Bold);
if (spendable.ToString().Contains(context.GetText(Resource.String.Lbl_ChangedProfileCover)))
{
SetTextColor(spendable, context.GetText(Resource.String.Lbl_ChangedProfileCover), "#888888");
}
else if (spendable.ToString().Contains(context.GetText(Resource.String.Lbl_ChangedProfilePicture)))
{
SetTextColor(spendable, context.GetText(Resource.String.Lbl_ChangedProfilePicture), "#888888");
}
else if (spendable.ToString().Contains(context.GetText(Resource.String.Lbl_WasLive)))
{
SetTextColor(spendable, context.GetText(Resource.String.Lbl_WasLive), "#888888");
}
else if (spendable.ToString().Contains(context.GetText(Resource.String.Lbl_IsListeningTo)))
{
SetTextColor(spendable, context.GetText(Resource.String.Lbl_IsListeningTo), "#888888");
}
else if (spendable.ToString().Contains(context.GetText(Resource.String.Lbl_IsPlaying)))
{
SetTextColor(spendable, context.GetText(Resource.String.Lbl_IsPlaying), "#888888");
}
else if (spendable.ToString().Contains(context.GetText(Resource.String.Lbl_IsTravelingTo)))
{
SetTextColor(spendable, context.GetText(Resource.String.Lbl_IsTravelingTo), "#888888");
}
else if (spendable.ToString().Contains(context.GetText(Resource.String.Lbl_IsWatching)))
{
SetTextColor(spendable, context.GetText(Resource.String.Lbl_IsWatching), "#888888");
}
else if (spendable.ToString().Contains(context.GetText(Resource.String.Lbl_AddedNewProductForSell)))
{
SetTextColor(spendable, context.GetText(Resource.String.Lbl_AddedNewProductForSell), "#888888");
}
else if (spendable.ToString().Contains(context.GetText(Resource.String.Lbl_CreatedNewArticle)))
{
SetTextColor(spendable, context.GetText(Resource.String.Lbl_CreatedNewArticle), "#888888");
}
else if (spendable.ToString().Contains(context.GetText(Resource.String.Lbl_CreatedNewEvent)) || (item.Event?.EventClass != null && item.SharedInfo.SharedInfoClass == null))
{
SetTextColor(spendable, context.GetText(Resource.String.Lbl_CreatedNewEvent), "#888888");
SetTextColor(spendable, Methods.FunString.DecodeString(item.Event?.EventClass.Name), "#888888");
}
else if (spendable.ToString().Contains(context.GetText(Resource.String.Lbl_addedNewPhotosTo)))
{
SetTextColor(spendable, context.GetText(Resource.String.Lbl_addedNewPhotosTo), "#888888");
}
else if (spendable.ToString().Contains(context.GetText(Resource.String.Lbl_CreatedNewFund)))
{
SetTextColor(spendable, context.GetText(Resource.String.Lbl_CreatedNewFund), "#888888");
}
else if (spendable.ToString().Contains(context.GetText(Resource.String.Lbl_OfferPostAdded)))
{
SetTextColor(spendable, context.GetText(Resource.String.Lbl_OfferPostAdded), "#888888");
}
else if (spendable.ToString().Contains(context.GetText(Resource.String.Lbl_SharedPost)))
{
SetTextColor(spendable, context.GetText(Resource.String.Lbl_SharedPost), "#888888");
}
//return hasChanges;
}
catch (Exception e)
{
Console.WriteLine(e);
}
}