/// <summary>
/// 获取枚举指定的显示内容
/// </summary>
public static object Display(this Enum val, DisplayProperty property)
{
var enumType = val.GetType();
//if val is Flag enum, each item will connect with ","
var str = val.ToString();
if (enumType.GetAttribute <FlagsAttribute>() != null && str.Contains(","))
{
var array = str.Split(",", StringSplitOptions.RemoveEmptyEntries).Select(o => o.Trim());
var result = array.Aggregate("", (s, s1) =>
{
var f = enumType.GetField(s1);
if (f != null)
{
var text = f.Display(property);
return(s.IsNullOrEmpty() ? text.ToString() : $"{s},{text}");
}
return(s);
});
return(result.IsNullOrEmpty() ? null : result);
}
var field = enumType.GetField(str);
if (field != null)
{
return(field.Display(property));
}
return(null);
}
/// <summary>
/// 获取枚举指定的显示内容
/// </summary>
public static object Display(this MemberInfo memberInfo, DisplayProperty property)
{
if (memberInfo == null)
{
return(null);
}
var display = memberInfo.GetAttribute <DisplayAttribute>();
if (display != null)
{
switch (property)
{
case DisplayProperty.Name:
return(display.GetName());
case DisplayProperty.ShortName:
return(display.GetShortName());
case DisplayProperty.GroupName:
return(display.GetGroupName());
case DisplayProperty.Description:
return(display.GetDescription());
case DisplayProperty.Order:
return(display.GetOrder());
case DisplayProperty.Prompt:
return(display.GetPrompt());
}
}
return(null);
}
public override int GetHashCode()
{
unchecked
{
int hashCode = base.GetHashCode();
hashCode = (hashCode * 397) ^ (Properties != null ? Properties.GetHashCode() : 0);
hashCode = (hashCode * 397) ^ (IdProperty != null ? IdProperty.GetHashCode() : 0);
hashCode = (hashCode * 397) ^ (DisplayProperty != null ? DisplayProperty.GetHashCode() : 0);
return(hashCode);
}
}
public static string EnumToDisplayName(this Enum value, DisplayProperty property = DisplayProperty.Name)
{
var attribute = value.GetType().GetField(value.ToString())
.GetCustomAttributes <DisplayAttribute>(false).FirstOrDefault();
if (attribute == null)
{
return(value.ToString());
}
var propValue = attribute.GetType().GetProperty(property.ToString()).GetValue(attribute, null);
return(propValue.ToString());
}
/// <summary>
/// 获取枚举指定的显示内容
/// </summary>
public static object Display(this Enum val, DisplayProperty property)
{
var enumType = val.GetType();
var text = val.ToString();
var field = enumType.GetField(text);
if (field != null)
{
return(field.Display(property));
}
return(null);
}
private static DisplayProperty parseCSS(string cssPath)
{
string cssContent = FileHelper.TryLoadFile(cssPath);
var parser = new StylesheetParser();
var stylesheet = parser.Parse(cssContent);
DisplayProperty displayProperty = new DisplayProperty();
displayProperty.Title = new DisplayStyle();
displayProperty.Side = new DisplayStyle();
displayProperty.Display = new DisplayStyle();
displayProperty.Tools = new DisplayStyle();
displayProperty.Search = new DisplayStyle();
displayProperty.Menu = new DisplayStyle();
displayProperty.Global = new DisplayStyle();
Type t1 = displayProperty.GetType();
//在样式表中自上而下寻找
foreach (StyleRule rule in stylesheet.StyleRules)
{
string selectors = rule.SelectorText;
string color = rule.Style.Color;
string bg = rule.Style.Background;
string fontsize = rule.Style.FontSize;
int.TryParse(Regex.Match(fontsize, @"\d+").Value, out int fs);
//获得选择器
string[] selectTexts = selectors.Split('.');
string s1 = selectTexts[1].Trim();
string s2 = selectTexts[2].Trim();
//反射
DisplayStyle style = (DisplayStyle)t1.GetProperty(s1).GetValue(displayProperty);
if (s2 == "Main")
{
style.MainFontSize = fs;
style.MainBackground = getColorFromRGBSring(bg);
style.MainForeground = getColorFromRGBSring(color);
}
else
{
style.SubFontSize = fs;
style.SubBackground = getColorFromRGBSring(bg);
style.SubForeground = getColorFromRGBSring(color);
}
t1.GetProperty(s1).SetValue(displayProperty, style);
}
return(displayProperty);
}
public static string ToDisplay(this Enum value, DisplayProperty property = DisplayProperty.Name)
{
if (Assert.NotNull <Enum>(value))
{
object attribute = value.GetType().GetField(value.ToString()).GetCustomAttributes(false).FirstOrDefault();
//CustomAttributeData customAttributeData = value.GetType().GetField(value.ToString()).CustomAttributes.FirstOrDefault(c => c.AttributeType == typeof(DisplayAttribute));
if (Assert.NotNull <object>(attribute))
{
object propVal = attribute.GetType().GetProperty(property.ToString()).GetValue(attribute);
//return customAttributeData.NamedArguments.FirstOrDefault(a => a.MemberName == property.ToString()).TypedValue.Value.ToString();
return(propVal.ToString());
}
}
return(value.ToString());
}
protected override void OnFormat(ListControlConvertEventArgs e)
{
// Display using the 'DisplayProperty' if specified
if (DisplayProperty.HasValue())
{
m_disp_prop = m_disp_prop ?? e.ListItem.GetType().GetProperty(DisplayProperty, BindingFlags.Public | BindingFlags.Instance);
e.Value = m_disp_prop.GetValue(e.ListItem).ToString();
}
// Otherwise, fall back to the other methods
else
{
base.OnFormat(e);
}
}
public static string ToDisplay(this Enum value, DisplayProperty property = DisplayProperty.Name)
{
Assert.NotNull(value, nameof(value));
List <string> Messages = new List <string>();
var attribute = value.GetType().GetField(value.ToString())
.GetCustomAttributes <DisplayAttribute>(false).FirstOrDefault();
if (attribute == null)
{
return(null);
}
return(attribute.GetType().GetProperty(property.ToString()).GetValue(attribute, null).ToString());
}
public static string ToDisplay(this Enum value, DisplayProperty property = DisplayProperty.Name)
{
Assert.NotNull(value, nameof(value));
var attribute = value.GetType().GetField(value.ToString())
.GetCustomAttributes(false).FirstOrDefault();
if (attribute == null)
{
return(value.ToString());
}
var propValue = attribute.GetType().GetProperty(property.ToString()).GetValue(attribute, null);
return(propValue.ToString());
}
public static string ToDisplay(this Enum value, DisplayProperty property = DisplayProperty.Name)
{
if (value == null)
{
return(null);
}
var attributes =
(DisplayAttribute[])
value.GetType().GetField(value.ToString()).GetCustomAttributes(typeof(DisplayAttribute), false);
if (attributes.Length > 0)
{
var attr = attributes[0];
var propValue = attr.GetType().GetProperty(property.ToString()).GetValue(attr, null);
return(propValue as string);
}
return(value.ToString());
}
/// <summary>
/// Gets the display name.
/// </summary>
/// <typeparam name="TModel">The type of the model.</typeparam>
/// <typeparam name="TField">The type of the field.</typeparam>
/// <param name="selector">The selector.</param>
/// <param name="involveAlnnotation">if set to <c>true</c> [involve alnnotation].</param>
/// <param name="displayProperty">The display property.</param>
/// <returns></returns>
public static string GetDisplayName <TModel, TField>
(Expression <Func <TModel, TField> > selector, bool involveAlnnotation = false,
DisplayProperty displayProperty = DisplayProperty.Name)
{
try
{
System.Linq.Expressions.Expression body = selector;
if (body is LambdaExpression)
{
body = ((LambdaExpression)body).Body;
}
if (body.NodeType == ExpressionType.MemberAccess)
{
PropertyInfo propInfo = (PropertyInfo)((MemberExpression)body).Member;
if (involveAlnnotation)
{
DisplayAttribute attribute = propInfo.GetCustomAttributes(typeof(DisplayAttribute), true)
.Select(prop => (DisplayAttribute)prop).FirstOrDefault();
if (attribute != null)
{
return(attribute.GetType().GetProperty(displayProperty.ToString())
.GetValue(attribute, null).ToString());
}
else
{
return(propInfo.Name);
}
}
return(propInfo.Name);
}
}
catch (Exception ex)
{
ex.ExceptionValueTracker(selector, involveAlnnotation);
}
return(string.Empty);
}
public static string ToDisplay <T, TProp>(Expression <Func <T, TProp> > propertyExpression, DisplayProperty property = DisplayProperty.Name)
{
var propInfo = propertyExpression.GetPropInfo();
var attr = propInfo.GetAttribute <DisplayNameAttribute>(false);
return(attr.GetType().GetProperty(property.ToString()).GetValue(attr, null) as string ?? propInfo.Name);
}
public void SetDisplayProperty(DisplayProperty property, byte value)
{
UsbCommand cmd = new UsbCommand((byte)property, value);
PendingCommands.Add(cmd);
}
