/// <summary>
/// return whether or not the specified named group is already a child of this group
/// </summary>
/// <param name="childname"></param>
/// <returns></returns>
public AssetGroup IsChildGroup(string childname)
{
// First get a list of our current children
AuditWizardDataAccess lwDataAccess = new AuditWizardDataAccess();
AssetGroupList listChildren = new AssetGroupList(lwDataAccess.GetGroups(this), _groupType);
return(listChildren.FindGroup(childname));
}
public bool GetSelectedItemsAlertMonitor(out AssetGroupList listSelectedGroups, out AssetList listSelectedAssets)
{
// Allocate the lists that we will return
listSelectedGroups = new AssetGroupList();
listSelectedAssets = new AssetList();
// Are all nodes selected as this is SO much easier to handle as we just return TRUE to indicate that
// all nodes have been selected - the return lists are empty
UltraTreeNode rootNode = locationsTree.Nodes[0];
// OK unfortunately not all nodes are selected so we now need to populate the lists based on what has
// been selected. Note that if a node is checked then by definition ALL assets and locations beneath that
// node are deemed to be checked but we do not bother iterating them
GetSelectedItems(rootNode, listSelectedGroups, listSelectedAssets);
// return false to show that there is a selection
return(false);
}
/// <summary>
/// Recursive routine to traverse the locations tree and build up a list of the Asset Groups and Assets
/// which are checked
/// </summary>
/// <param name="parentNode"></param>
/// <param name="listSelectedGroups"></param>
/// <param name="listSelectedAssets"></param>
protected void GetSelectedItems(UltraTreeNode parentNode, AssetGroupList listSelectedGroups, AssetList listSelectedAssets)
{
AssetGroup assetGroup = parentNode.Tag as AssetGroup;
// is this node checked? If so we simply add it to the groups selected and return
if (parentNode.CheckedState == CheckState.Checked)
{
listSelectedGroups.Add(assetGroup);
return;
}
// If this node is unchecked then all children are also unchecked
else if (parentNode.CheckedState == CheckState.Unchecked)
{
return;
}
// Indeterminate means that some children will be checked and some won't - iterate through the
// groups first by calling ourselves recursively for each child group
else
{
foreach (UltraTreeNode childNode in parentNode.Nodes)
{
// recurse if this child is a n Asset Group
if (childNode.Tag is AssetGroup)
{
GetSelectedItems(childNode, listSelectedGroups, listSelectedAssets);
}
// or check thge state of an asset
else if (childNode.Tag is Asset)
{
if (childNode.CheckedState == CheckState.Checked)
{
listSelectedAssets.Add(childNode.Tag as Asset);
}
}
}
}
}
/// <summary>
/// Delete the current location from the database
/// </summary>
public bool Delete()
{
AuditWizardDataAccess lwDataAccess = new AuditWizardDataAccess();
// As locations are hierarchical we cannot just delete a location without first deleting ALL
// children and we cannot do that if any of our descendants are still being referenced
// Get a list of all of our children
AssetGroupList children = new AssetGroupList(lwDataAccess.GetGroups(this), GroupType);
// Loop through each child and try and delete them first before we delete ourselves - this actually
// causes recursion through this deletion function as children may have children and so on...
foreach (AssetGroup childGroup in children)
{
if (!childGroup.Delete())
{
return(false);
}
}
// Only now can we delete ourselves as all of our children have been handled.
if (lwDataAccess.GroupDelete(this) != 0)
{
return(false);
}
// ...and audit the deletion
AuditTrailEntry ate = new AuditTrailEntry();
ate.Date = DateTime.Now;
ate.Class = AuditTrailEntry.CLASS.location;
ate.Type = AuditTrailEntry.TYPE.deleted;
ate.Key = _name;
ate.AssetID = 0;
ate.AssetName = "";
ate.Username = System.Environment.UserName;
lwDataAccess.AuditTrailAdd(ate);
return(true);
}
