public AoFeatureClassType(bool required,
AoTable attribs,
params esriGeometryType[] allowed) : base("Feature layer", required)
{
m_allowed = allowed;
m_attribs = attribs;
}
protected override void ValueCheck(IGPFeatureLayer feat)
{
bool found = (m_allowed.Length == 0); // assume true if no geometries
if (feat != null && feat.DEFeatureClass != null)
{
for (int i = 0; i < m_allowed.Length; i++)
{
if (m_allowed[i] == feat.DEFeatureClass.ShapeType)
{
found = true;
}
}
if (!found)
{
Error("Features are of the wrong type.");
return;
}
}
else
{
if (this.Required)
{
Error("A layer is required.");
return;
}
else
{
Warning("Will use default layer name.");
}
}
if (m_attribs != null)
{
AoTable vtb = AoTable.From(feat.DEFeatureClass);
bool ok = true;
foreach (AoField f in m_attribs.AoFields)
{
if (vtb[f.Name] == null)
{
Error("Missing required field " + f.Name);
ok = false;
} // TODO: check the field type too?
}
if (!ok)
{
return;
}
}
}