private void TargetVariableChanging(object sender, VariableChangingEventArgs e)
{
if (e.Action == VariableChangeAction.UpdateMetadata)
{
foreach (KeyValuePair <string, object> item in e.ProposedChanges.MetadataChanges)
{
if (IsHiddenEntry(item.Key))
{
continue;
}
if (IsReadOnlyEntry(item.Key))
{
continue;
}
if (proposedMetadataEntries.Exists(entry =>
entry.Key == item.Key && AreEquals(entry.Value, item.Value)))
{
continue;
}
var pair = new KeyValuePair <string, object>(item.Key, item.Value);
try
{
proposedMetadataEntries.Add(pair);
this[item.Key] = item.Value;
}
finally
{
proposedMetadataEntries.Remove(pair);
}
}
}
}
private void SourceVariableChanging(object sender, VariableChangingEventArgs e)
{
switch (e.Action)
{
case VariableChangeAction.PutData:
// TODO: add check for proposedChangesList
var ar = TransformIndexRectangle(e.ProposedChanges.AffectedRectangle);
if (!ar.IsEmpty)
{
var shape = TransformIndexRectangle(new Rectangle(new int[sourceVariable.Rank], e.ProposedChanges.Shape)).Shape;
Changes c = new Changes(Version, GetSchema(), null, null, shape, ar);
e.Cancel = !FireEventVariableChanging(VariableChangeAction.PutData, c);
}
break;
case VariableChangeAction.UpdateMetadata:
break;
}
}
private void TargetVariableChanging(object sender, VariableChangingEventArgs e)
{
if (e.Action == VariableChangeAction.UpdateMetadata)
{
foreach (KeyValuePair<string, object> item in e.ProposedChanges.MetadataChanges)
{
if (IsHiddenEntry(item.Key)) continue;
if (IsReadOnlyEntry(item.Key)) continue;
if (proposedMetadataEntries.Exists(entry =>
entry.Key == item.Key && AreEquals(entry.Value, item.Value)))
continue;
var pair = new KeyValuePair<string, object>(item.Key, item.Value);
try
{
proposedMetadataEntries.Add(pair);
this[item.Key] = item.Value;
}
finally
{
proposedMetadataEntries.Remove(pair);
}
}
}
}
