private void DeleteAllChildren(string parentKey)
{
// Get DMU Access Class
DescriptionOfMapUnitsAccess DmuAccess = new DescriptionOfMapUnitsAccess(m_theWorkspace);
// Get the children
var sortedChildren = GetSortedChildren(parentKey);
// Loop through them, delete each one
foreach (KeyValuePair<string, DescriptionOfMapUnitsAccess.DescriptionOfMapUnit> anEntry in sortedChildren)
{
// Get the DMU entry for this entry
DmuAccess.AddDescriptionOfMapUnits("DescriptionOfMapUnits_ID = '" + anEntry.Value.DescriptionOfMapUnits_ID + "'");
DescriptionOfMapUnitsAccess.DescriptionOfMapUnit thisDmuEntry = DmuAccess.DescriptionOfMapUnitsDictionary[anEntry.Value.DescriptionOfMapUnits_ID];
/// Delete related record in the Extended Attributes table
deleteExtendedAtrributesRecord(thisDmuEntry.MapUnit);
/// Delete related lithology records
deleteLithologyRecord(thisDmuEntry.MapUnit);
// Delete it
DmuAccess.DeleteDescriptionOfMapUnits(thisDmuEntry);
// Delete its children
DeleteAllChildren(thisDmuEntry.HierarchyKey);
}
}
private void tlsbtnRemoveLegendItem_Click(object sender, EventArgs e)
{
// Get DMU Access Class
DescriptionOfMapUnitsAccess dmuAccess = new DescriptionOfMapUnitsAccess(m_theWorkspace);
// Find out if the selected node has children
if (trvLegendItems.SelectedNode.Nodes.Count > 0)
{
// This node has children, ensure they want it all gone
DialogResult result = MessageBox.Show("If you delete this entry, all of its children will be removed as well. Do you want to continue?", "NCGMP Tools", MessageBoxButtons.YesNo);
if (result != DialogResult.Yes) { return; }
// They want to continue. First delete this one
dmuAccess.AddDescriptionOfMapUnits("DescriptionOfMapUnits_ID = '" + trvLegendItems.SelectedNode.Name + "'");
DescriptionOfMapUnitsAccess.DescriptionOfMapUnit thisEntry = dmuAccess.DescriptionOfMapUnitsDictionary[trvLegendItems.SelectedNode.Name];
/// Delete related record in the Extended Attributes table
deleteExtendedAtrributesRecord(thisEntry.MapUnit);
/// Delete related lithology records
deleteLithologyRecord(thisEntry.MapUnit);
dmuAccess.DeleteDescriptionOfMapUnits(thisEntry);
// Now Delete all children
DeleteAllChildren(thisEntry.HierarchyKey);
// Adjust the Hierarchy
RemoveItemFromHierarchy(thisEntry.HierarchyKey);
}
else
{
// This node has no children, simply delete it
dmuAccess.AddDescriptionOfMapUnits("DescriptionOfMapUnits_ID = '" + trvLegendItems.SelectedNode.Name + "'");
DescriptionOfMapUnitsAccess.DescriptionOfMapUnit thisEntry = dmuAccess.DescriptionOfMapUnitsDictionary[trvLegendItems.SelectedNode.Name];
/// Delete related record in the Extended Attributes table
deleteExtendedAtrributesRecord(thisEntry.MapUnit);
/// Delete related lithology records
deleteLithologyRecord(thisEntry.MapUnit);
dmuAccess.DeleteDescriptionOfMapUnits(thisEntry);
// Remove this item from the Hierarchy - Update its siblings and children
RemoveItemFromHierarchy(thisEntry.HierarchyKey);
}
// Clear Inputs
ClearMapUnitInput();
//Re-populate the Treeview
PopulateMainLegendTree();
}