private static void UpdateLayout(IFieldWidget widget)
{
var field = widget.Field;
if (field == null)
{
return;
}
// inicializacao
//
if (FlatFont == null)
{
FlatFont = widget.Host.Font;
FlatColor = widget.Host.ForeColor;
BoldFont = new Font(FlatFont, FontStyle.Bold);
BoldColor = Color.Firebrick;
}
var tipBox = widget.Components.Components.OfType <ToolTip>().FirstOrDefault();
if (tipBox == null)
{
tipBox = new ToolTip(widget.Components);
widget.Label.Click += (o, e) =>
{
var currentTip = tipBox.GetToolTip(widget.Label);
if (currentTip != null)
{
tipBox.Show(currentTip, widget.Label);
}
};
}
// checagem
//
string text;
string tip;
Font font;
Color color;
text = field.Title ?? field.Name.ChangeCase(TextCase.ProperCase);
if (field.Required == true)
{
text += "*";
}
font = widget.HasChanges ? BoldFont : FlatFont;
var errors = widget.GetErrors().ToArray();
if (errors.Length > 0)
{
tip = string.Join(Environment.NewLine, errors.Select(x => $"• {x}"));
color = BoldColor;
}
else
{
tip = null;
color = FlatColor;
}
// aplicacao das mudancas
//
if (tipBox.GetToolTip(widget.Host) != tip)
{
tipBox.SetToolTip(widget.Host, tip);
tipBox.SetToolTip(widget.Label, tip);
}
if (widget.Label.Text != text)
{
widget.Label.Text = text;
}
if (widget.Label.Font != font)
{
widget.Label.Font = font;
}
if (widget.Label.ForeColor != color)
{
widget.Label.ForeColor = color;
}
}
public static void EnhanceFieldWidget(this IFieldWidget widget)
{
widget.FieldChanged += (o, e) => UpdateLayout(widget);
widget.ValueChanged += (o, e) => UpdateLayout(widget);
}
