public static void ApplyText(UICheckboxDropDown dd, string text)
{
UIButton uibutton = (UIButton)dd.triggerButton;
var padding = uibutton.textPadding;
padding.left = 5;
padding.right = 21;
uibutton.text = text; // must set text to mearure text once and only once.
using (UIFontRenderer uifontRenderer = ObtainTextRenderer(uibutton)) {
float p2uRatio = uibutton.GetUIView().PixelsToUnits();
var widths = uifontRenderer.GetCharacterWidths(text);
float x = widths.Sum() / p2uRatio;
//Log.Debug($"{uifontRenderer}.GetCharacterWidths(\"{text}\")->{widths.ToSTR()}");
//if (x > uibutton.width - 42)
// uibutton.textHorizontalAlignment = UIHorizontalAlignment.Left;
//else
// uibutton.textHorizontalAlignment = UIHorizontalAlignment.Center;
if (x > uibutton.width - uibutton.textPadding.horizontal)
{
for (int n = 4; n < text.Length; ++n)
{
float x2 = widths.Take(n).Sum() / p2uRatio + 15; // 15 = width of ...
if (x2 > uibutton.width - 21)
{
text = text.Substring(0, n - 1) + "...";
break;
}
}
}
}
uibutton.text = text;
}
public static bool Truncate(UILabel label, string text, string suffix = "…")
{
bool flag = false;
try
{
using (UIFontRenderer renderer = label.ObtainRenderer())
{
float units = label.GetUIView().PixelsToUnits();
float[] characterWidths = renderer.GetCharacterWidths(text);
float num1 = 0.0f;
float num2 = (float)((double)label.width - (double)label.padding.horizontal - 2.0);
for (int index = 0; index < characterWidths.Length; ++index)
{
num1 += characterWidths[index] / units;
if ((double)num1 > (double)num2)
{
flag = true;
text = text.Substring(0, index - 3) + suffix;
break;
}
}
}
label.text = text;
}
catch
{
flag = false;
}
return(flag);
}
public static void FitString(this UILabel label)
{
using (UIFontRenderer fontRenderer = label.ObtainRenderer()) {
float p2u = label.GetUIView().PixelsToUnits();
var characterWidths = fontRenderer.GetCharacterWidths(label.text);
float totalSize = label.padding.left + label.padding.right;
for (var i = 0; i < characterWidths.Length; i++)
{
totalSize += characterWidths[i] / p2u;
if (!(totalSize > label.width))
{
continue;
}
label.tooltip = label.text;
label.text = string.Concat(label.text.Substring(0, i - 1), "...");
break;
}
}
}