public static SharedImage PickTexture(Document document)
{
// returns nothing if cancelled
if (g_SystemTextures == null)
{
try
{
g_SystemTextures = new DatumList();
if (System.IO.File.Exists(Globals.Root.InternalFolder + System.IO.Path.DirectorySeparatorChar + "textures"))
{
using (DataReader reader = new DataReader(Globals.Root.InternalFolder + System.IO.Path.DirectorySeparatorChar + "textures", FileMarkers.SharedBitmap))
{
g_SystemTextures.Add(reader.ReadDataList(FileMarkers.SharedBitmap));
}
}
}
catch (Exception ex)
{
Utilities.LogSubError("Failed to load textures: " + ex.Message);
g_SystemTextures = new DatumList();
}
}
frmTexture frm = new frmTexture(g_SystemTextures, document);
if (frm.ShowDialog() != DialogResult.OK)
{
return(null);
}
return(frm.m_Chosen);
}
public static DatumList CloneList(IEnumerable <Datum> original, Document document)
{
// makes a copy of all of the objects in the list, returning the new list
// contained objects are cloned, but don't appear in the list (they do appear in the ID lookup table)
// the new list will also contain any necessary objects referenced by these (e.g. textures)
// links between objects will be updated if both halves are in the list, or broken if only the linking object (e.g. connector, paint splat)
// is in the list
DatumList newList = new DatumList();
Mapping mapID = new Mapping(); // lookup table from old to new IDs
foreach (Datum data in original.Where(x => x != null)) // will ignore any missing objects in list
{
if (!mapID.ContainsKey(data.ID)) // check is needed because containers will include contents, and original list could include both container and content if selected from page (select all especially)
{
newList.Add(data.Clone(mapID));
}
}
foreach (Datum data in original.Where(x => x != null))
{
// It would have been much easier to just iterate colNew, but we can't because the line below might modify the list
mapID[data.ID].AddRequiredReferencesRecurseToContained(newList.Add, mapID);
}
foreach (Datum shape in newList.Values)
{
shape.UpdateReferencesIDsChanged(mapID, document);
}
return(newList);
}
private DatumList m_Changed = new DatumList(); // list of the ones which have changed
internal void WrittenToCurrent()
{
if (!m_Changed.Contains(m_Config))
{
m_Changed.Add(m_Config);
}
}
