public static IEnumerable <DesignerActionItem> GetAllAttributedActionItems(this DesignerActionList actionList)
{
var fullAIList = new List <DesignerActionItem>();
foreach (var mbr in actionList.GetType().GetMethods(allInstBind))
{
foreach (IActionGetItem attr in mbr.GetCustomAttributes(typeof(DesignerActionMethodAttribute), true))
{
if (mbr.ReturnType == typeof(void) && mbr.GetParameters().Length == 0)
{
fullAIList.Add(attr.GetItem(actionList, mbr));
}
else
{
throw new FormatException("DesignerActionMethodAttribute must be applied to a method returning void and having no parameters.");
}
}
}
foreach (var mbr in actionList.GetType().GetProperties(allInstBind))
{
if (mbr.GetIndexParameters().Length > 0)
{
throw new FormatException("DesignerActionPropertyAttribute must be applied to non-indexed properties.");
}
foreach (IActionGetItem attr in mbr.GetCustomAttributes(typeof(DesignerActionPropertyAttribute), true))
{
fullAIList.Add(attr.GetItem(actionList, mbr));
}
}
fullAIList.Sort(CompareItems);
return(fullAIList);
int CompareItems(DesignerActionItem a, DesignerActionItem b)
{
var c = string.Compare(a?.Category ?? string.Empty, b?.Category ?? string.Empty, true);
if (c != 0)
{
return(c);
}
c = (int)(a?.Properties["Order"] ?? 0) - (int)(b?.Properties["Order"] ?? 0);
if (c != 0)
{
return(c);
}
return(string.Compare(a?.DisplayName, b?.DisplayName, true));
}
}
public static DesignerActionItemCollection GetFilteredActionItems(this DesignerActionList actionList, IEnumerable <DesignerActionItem> fullAIList)
{
var col = new DesignerActionItemCollection();
foreach (var ai in fullAIList)
{
if (CheckCondition(ai))
{
col.Add(ai);
}
}
// Add header items for displayed items
string cat = null;
for (var i = 0; i < col.Count; i++)
{
var curCat = col[i].Category;
if (string.Compare(curCat, cat, true) != 0)
{
col.Insert(i++, new DesignerActionHeaderItem(curCat));
cat = curCat;
}
}
return(col);
bool CheckCondition(DesignerActionItem ai)
{
if (ai.Properties["Condition"] != null)
{
var p = actionList.GetType().GetProperty((string)ai.Properties["Condition"], allInstBind, null, typeof(bool), Type.EmptyTypes, null);
if (p != null)
{
return((bool)p.GetValue(actionList, null));
}
}
return(true);
}
}