/// <summary>
/// handle data grid view selection change
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void DataGridView1SelectionChanged(object sender, EventArgs e)
{
if (!_featureLayer.DataSet.AttributesPopulated)
{
return; // For now can handle only populated data sets with fid column
}
Debug.Assert(_fidField != null);
if (_ignoreTableSelectionChanged)
{
return;
}
_ignoreSelectionChanged = true;
try
{
//manage selection using the Selection property
IndexSelection sel = _featureLayer.Selection as IndexSelection;
if (sel != null)
{
sel.SuspendChanges();
//set the selected state of the corresponding feature
foreach (DataGridViewRow row in dataGridView1.Rows)
{
int fid = (int)row.Cells[_fidField].Value;
if (row.Selected)
{
sel.Add(fid);
}
else
{
sel.Remove(fid);
}
}
sel.ResumeChanges();
}
else
{
List <int> adds = new List <int>();
List <int> removes = _selectedRows.ToList();
foreach (DataGridViewRow row in dataGridView1.SelectedRows)
{
if (!_selectedRows.Contains(row.Index))
{
adds.Add(row.Index);
}
removes.Remove(row.Index);
}
_featureLayer.Select(adds);
_featureLayer.UnSelect(removes);
}
}
finally
{
_ignoreSelectionChanged = false;
}
}
public void GetAttributes_WithFieldNames()
{
var fs = new FeatureSet(FeatureType.Point);
fs.DataTable.Columns.Add("Column1");
fs.DataTable.Columns.Add("Column2");
fs.AddFeature(new Point(0, 0));
var fl = new PointLayer(fs);
var target = new IndexSelection(fl);
var attributesTable = target.GetAttributes(0, 1, new[] {"Column1"});
Assert.AreEqual(1, attributesTable.Columns.Count);
Assert.AreEqual("Column1", attributesTable.Columns[0].ColumnName);
}
public void GetAttributes_WithFieldNames()
{
var fs = new FeatureSet(FeatureType.Point);
fs.DataTable.Columns.Add("Column1");
fs.DataTable.Columns.Add("Column2");
fs.AddFeature(new Point(0, 0));
var fl = new PointLayer(fs);
var target = new IndexSelection(fl);
var attributesTable = target.GetAttributes(0, 1, new[] { "Column1" });
Assert.AreEqual(1, attributesTable.Columns.Count);
Assert.AreEqual("Column1", attributesTable.Columns[0].ColumnName);
}
