private void OnMenuClick(object sender, EventArgs e)
{
switch (((ToolStripMenuItem)sender).Name)
{
case "menuAddLayer":
_parent.AddLayer();
break;
case "menuLayerProperties":
ShowLayerProperties();
break;
case "menuLayerAttributes":
var sfa = ShapefileAttributesForm.GetInstance(_parent, _parent.MapInterActionHandler);
if (!sfa.Visible)
{
sfa.Show(this);
}
else
{
sfa.BringToFront();
}
break;
case "menuRemoveLayer":
MapLayers.RemoveLayer((int)layerGrid[0, _rowIndexFromMouseDown].Tag);
break;
}
}
private void ShapefileAttributesForm_FormClosed(object sender, FormClosedEventArgs e)
{
MapInterActionHandler.MapLayersHandler.CurrentLayer -= OnCurrentLayer;
MapInterActionHandler.Selection -= OnLayerSelection;
_instance = null;
Cleanup();
}
public static ShapefileAttributesForm GetInstance(MainWindowForm parentForm, MapInterActionHandler mapInterActionHandler)
{
if (_instance == null)
{
_instance = new ShapefileAttributesForm(parentForm, mapInterActionHandler);
}
return(_instance);
}