private ColorFillSchemeEntry CreateEntry(ColorFillScheme scheme, StorageType type, ElementId fillPatternId, Color color)
{
var entries = scheme.GetEntries();
bool isbyRange = scheme.IsByRange;
ColorFillSchemeEntry lastEntry = null;
if (entries.Count > 0)
{
lastEntry = entries.Last();
}
var entry = new ColorFillSchemeEntry(type);
entry.FillPatternId = fillPatternId;
switch (type)
{
case Autodesk.Revit.DB.StorageType.Double:
double doubleValue = 0;
if (lastEntry != null)
{
doubleValue = lastEntry.GetDoubleValue() + 20.00;
}
entry.SetDoubleValue(doubleValue);
break;
case Autodesk.Revit.DB.StorageType.String:
string strValue = string.Format("New entry {0}", entries.Count);
entry.SetStringValue(strValue);
break;
case Autodesk.Revit.DB.StorageType.Integer:
int intValue = 0;
if (lastEntry != null)
{
intValue = lastEntry.GetIntegerValue() + 20;
}
entry.SetIntegerValue(intValue);
break;
case Autodesk.Revit.DB.StorageType.ElementId:
var level = new FilteredElementCollector(document)
.OfClass(typeof(Level))
.Where(lv => !levelIds.Contains(lv.Id) && lv.Name != "Level 1")
.FirstOrDefault();
levelIds.Add(level.Id);
entry.SetElementIdValue(level.Id);
break;
default:
throw (new Exception("The type is not correct!"));
}
return(entry);
}
/// <summary>
/// Make modify to existing color fill scheme
/// </summary>
/// <param name="scheme"></param>
public void ModifyByValueScheme(ColorFillScheme scheme)
{
List <ColorFillSchemeEntry> entries = scheme.GetEntries().ToList();
List <ColorFillSchemeEntry> newEntries = new List <ColorFillSchemeEntry>();
StorageType storageType = entries[0].StorageType;
Random random = new Random();
int seed = random.Next(0, 256);
foreach (var entry in entries)
{
seed++;
ColorFillSchemeEntry newEntry = CreateEntry(scheme, storageType, entry.FillPatternId, GenerateRandomColor(seed));
switch (storageType)
{
case StorageType.Double:
newEntry.SetDoubleValue(entry.GetDoubleValue());
break;
case StorageType.Integer:
newEntry.SetIntegerValue(entry.GetIntegerValue());
break;
case StorageType.String:
newEntry.SetStringValue(entry.GetStringValue());
break;
case StorageType.ElementId:
newEntry.SetElementIdValue(entry.GetElementIdValue());
break;
default:
break;
}
newEntries.Add(newEntry);
}
using (Transaction tr = new Transaction(document))
{
tr.Start("update entries");
scheme.SetEntries(newEntries);
tr.Commit();
}
externalCommandData.Application.ActiveUIDocument.RefreshActiveView();
}