private void AddButton_Click(object sender, RoutedEventArgs e)
{
CalculatedDbfColumn column = new CalculatedDbfColumn("CalculatedArea", DbfColumnType.Float, 20, 5, CalculatedDbfColumnType.Area, AreaUnit.Acres);
featureLayer.Open();
switch (featureLayer.FeatureSource.GetFirstFeaturesWellKnownType())
{
case WellKnownType.Invalid:
case WellKnownType.GeometryCollection:
case WellKnownType.Point:
case WellKnownType.Multipoint:
break;
case WellKnownType.Line:
case WellKnownType.Multiline:
column = new CalculatedDbfColumn("CalculatedLength", DbfColumnType.Float, 20, 5, CalculatedDbfColumnType.Length, DistanceUnit.Meter);
break;
case WellKnownType.Polygon:
case WellKnownType.Multipolygon:
column = new CalculatedDbfColumn("CalculatedArea", DbfColumnType.Float, 20, 5, CalculatedDbfColumnType.Area, AreaUnit.Acres);
break;
}
Collection <string> columns = new Collection <string>();
columns.Add(column.ColumnName);
string alias = featureLayer.FeatureSource.GetColumnAlias(column.ColumnName);
AddDbfColumnWindow window = new AddDbfColumnWindow(column, columns, DbfColumnMode.Calculated, true, alias);
window.WindowStartupLocation = WindowStartupLocation.CenterOwner;
window.Owner = Application.Current.MainWindow;
if (window.ShowDialog().GetValueOrDefault())
{
CalculatedDbfColumn newColumn = window.DbfColumn as CalculatedDbfColumn;
if (newColumn != null)
{
if (CheckHasDuplicatedColumn(newColumn))
{
return;
}
if (CalculatedDbfColumn.CalculatedColumns.ContainsKey(featureLayer.FeatureSource.Id))
{
CalculatedDbfColumn.CalculatedColumns[featureLayer.FeatureSource.Id].Add(newColumn);
}
else
{
CalculatedDbfColumn.CalculatedColumns[featureLayer.FeatureSource.Id] = new Collection <CalculatedDbfColumn>();
CalculatedDbfColumn.CalculatedColumns[featureLayer.FeatureSource.Id].Add(newColumn);
}
RefreshColumnList(featureLayer);
}
}
}
private void RefreshColumnList(FeatureLayer featureLayer)
{
Collection <ViewColumnItem> viewColumnItems = new Collection <ViewColumnItem>();
featureLayer.SafeProcess(() =>
{
foreach (var column in featureLayer.FeatureSource.GetColumns())
{
if (!string.IsNullOrEmpty(column.ColumnName))
{
string alias = featureLayer.FeatureSource.GetColumnAlias(column.ColumnName);
ViewColumnItem item = new ViewColumnItem(column, alias);
viewColumnItems.Add(item);
}
}
});
if (CalculatedDbfColumn.CalculatedColumns.ContainsKey(featureLayer.FeatureSource.Id))
{
foreach (var column in CalculatedDbfColumn.CalculatedColumns[featureLayer.FeatureSource.Id])
{
string alias = featureLayer.FeatureSource.GetColumnAlias(column.ColumnName);
ViewColumnItem item = new ViewColumnItem(column, alias, true);
item.EditAction = c =>
{
DbfColumn dbfColumn = (DbfColumn)c;
Collection <string> columns = new Collection <string>();
columns.Add(c.ColumnName);
string tempAlias = featureLayer.FeatureSource.GetColumnAlias(dbfColumn.ColumnName);
AddDbfColumnWindow window = new AddDbfColumnWindow(dbfColumn, columns, DbfColumnMode.Calculated, true, tempAlias);
window.WindowStartupLocation = WindowStartupLocation.CenterOwner;
window.Owner = Application.Current.MainWindow;
if (window.ShowDialog().GetValueOrDefault())
{
CalculatedDbfColumn newColumn = window.DbfColumn as CalculatedDbfColumn;
if (newColumn != null)
{
//Check does edit
CalculatedDbfColumn tempColumn = (CalculatedDbfColumn)c;
if (newColumn.ColumnName == tempColumn.ColumnName &&
newColumn.CalculationType == tempColumn.CalculationType &&
newColumn.ColumnType == tempColumn.ColumnType &&
newColumn.DecimalLength == tempColumn.DecimalLength &&
newColumn.Length == tempColumn.Length &&
newColumn.LengthUnit == tempColumn.LengthUnit &&
newColumn.MaxLength == tempColumn.MaxLength &&
newColumn.AreaUnit == tempColumn.AreaUnit &&
newColumn.TypeName == tempColumn.TypeName)
{
return;
}
if (CheckHasDuplicatedColumn(newColumn))
{
return;
}
if (CalculatedDbfColumn.CalculatedColumns.ContainsKey(featureLayer.FeatureSource.Id))
{
CalculatedDbfColumn calColumn = (CalculatedDbfColumn)c;
if (CalculatedDbfColumn.CalculatedColumns[featureLayer.FeatureSource.Id].Contains(calColumn))
{
CalculatedDbfColumn.CalculatedColumns[featureLayer.FeatureSource.Id].Remove(calColumn);
}
CalculatedDbfColumn.CalculatedColumns[featureLayer.FeatureSource.Id].Add(newColumn);
}
RefreshColumnList(featureLayer);
}
}
};
item.DeleteAction = c =>
{
if (CalculatedDbfColumn.CalculatedColumns.ContainsKey(featureLayer.FeatureSource.Id))
{
CalculatedDbfColumn calColumn = (CalculatedDbfColumn)c;
if (CalculatedDbfColumn.CalculatedColumns[featureLayer.FeatureSource.Id].Contains(calColumn))
{
CalculatedDbfColumn.CalculatedColumns[featureLayer.FeatureSource.Id].Remove(calColumn);
RefreshColumnList(featureLayer);
}
}
};
viewColumnItems.Add(item);
}
}
ColumnList.ItemsSource = viewColumnItems;
}