private void ExecutePasteAsset(object parameter)
{
if (parameter.GetType().Equals(typeof(TVAssetViewModel)))
{
if (parameter is TVAssetViewModel targetasset &&
!(targetasset.Asset.CustomerID == movingasset.Asset.CustomerID && targetasset.Asset.ID == movingasset.Asset.ParentAssetID))
{
UpdateParentAssetID(movingasset.Asset.ID, targetasset.Asset.ID, targetasset.Asset.CustomerID);
MoveAsset(movingasset.Asset.ID, targetasset.Asset.ID, targetasset.Asset.CustomerID);
movingasset = null;
MovingAssetLabel = string.Empty;
}
}
else
if (parameter.GetType().Equals(typeof(TVCustomerViewModel)))
{
if (parameter is TVCustomerViewModel targetcustomer &&
!(targetcustomer.Customer.ID == movingasset.Asset.CustomerID && movingasset.Asset.ParentAssetID == 0))
{
UpdateParentAssetID(movingasset.Asset.ID, 0, targetcustomer.Customer.ID);
MoveAsset(movingasset.Asset.ID, 0, targetcustomer.Customer.ID);
movingasset = null;
MovingAssetLabel = string.Empty;
}
}
}
/// <summary>
/// Non-recursive version
/// </summary>
/// <param name="theseNodes"></param>
/// <param name="cm"></param>
public void GetFilteredAsset(ObservableCollection <TreeViewItemViewModel> theseNodes, TVCustomerViewModel cm)
{
var stack = new Stack <TVAssetViewModel>();
foreach (TVAssetViewModel tv in theseNodes)
{
stack.Push(tv);
}
while (stack.Count != 0)
{
TVAssetViewModel current = stack.Pop();
// if (assets.Contains(current.Asset.AssetID))
if (assets.ContainsKey(current.Asset.ID))
{
if (current.Parent != null)
{
current.Parent.IsExpanded = true;
}
current.IsFiltered = true;
current.IsExpanded = true;
cm.IsExpanded = true;
//optimise search by removing element when found
// var id = assets.Where(x => x == current.Asset.AssetID).FirstOrDefault();
// assets.Remove(id);
assets.Remove(current.Asset.ID);
}
foreach (TVAssetViewModel child in (current.Children).Reverse())
{
stack.Push(child);
}
}
}
public TVAssetViewModel(Models.AssetModel _asset, TVAssetViewModel _assetvm) : base(_assetvm, true)
{
Asset = _asset;
IsExpanded = false;
IsSelected = false;
//Asset.Label = GlobalClass.MakeLabel(Asset.AssetAreaID, Asset.AssetGroupID, Asset.LabelID);
}
public TVAssetViewModel(AssetModel asset, TVAssetViewModel assetvm) : base(assetvm, true)
{
Asset = asset;
IsExpanded = false;
IsSelected = false;
CheckBoxVisibility = Visibility.Visible;
}
public AssetViewModel(AssetTreeExViewModel tva, TVAssetViewModel obj)
{
original = obj;
atvm = tva;
Asset = GetAsset(original.Asset.ID);
LoadViewSettings(original.Asset.ID);
IsError = false;
}
public void ProcessAssetChanges(TVAssetViewModel original, AssetModel asset)
{
if (asset.Category != null)
{
original.Asset.Category = asset.Category;
}
original.Asset.Label = MakeLabel(asset.AssetAreaID, asset.AssetGroupID, asset.LabelID);
}
private void GetAllSubItems(TVAssetViewModel tvi)
{
FullyObservableCollection <AssetModel> assets = GetChildAssets(tvi.Asset.ID);
foreach (AssetModel tvasset in assets)
{
TVAssetViewModel asset = new TVAssetViewModel(tvasset, tvi);
tvi.Children.Add(asset);
GetAllSubItems(asset);
}
}
private void ExecuteMoveAsset(object parameter)
{
if (parameter.GetType().Equals(typeof(TVAssetViewModel)))
{
if (parameter is TVAssetViewModel asset)
{
movingasset = asset;
asset.IsSelected = true;
movingassetlabel = "asset.Asset.Label";
}
}
}
private void ExecuteDeleteAsset(object parameter)
{
if (parameter.GetType().Equals(typeof(TVAssetViewModel)))
{
TVAssetViewModel asset = parameter as TVAssetViewModel;
IMessageBoxService msg = new MessageBoxService();
if (msg.ShowMessage("Are you sure you want to delete this Asset: " + "asset.Asset.Label" + " and any associated child Assets?", "Removing Asset: " + "asset.Asset.Label", GenericMessageBoxButton.YesNo, GenericMessageBoxIcon.Question).Equals(GenericMessageBoxResult.Yes))
{
//change to delete all children too and set parentid to 0 .
DeleteAssetDFS(asset);
}
}
}
public static void AddAssetNode(AssetModel asset)
{
TVCustomerViewModel customer;
TVAssetViewModel parentnode = null;
//determine if asset is in tree
//if found then update via bindings
//else add to tree
if (asset.ParentAssetID == 0) //customer is parent
{
//get customer node
customer = GetCustomerNode(asset.CustomerID);
//look for asset under this customer
if (GetCustomerAsset(customer, asset.ID) == null) //not found
{
//new Nov 2016 - added tvasset.Parent = customer;
TVAssetViewModel tvasset = new TVAssetViewModel(asset, null)
{
Parent = customer
};
customer.Children.Add(tvasset);
//add to customer node
// customer.Children.Add(new TVAssetViewModel(asset, null));
}
}
else //asset is parent
{
//get customer node
customer = GetCustomerNode(asset.CustomerID);
//get parent node of asset
parentnode = GetAssetDFS(customer, asset.ParentAssetID);
//new Nov 2016 - added tvasset.Parent = parentnode;
TVAssetViewModel tvasset = new TVAssetViewModel(asset, null)
{
Parent = parentnode
};
parentnode.Children.Add(tvasset);
// parentnode.Children.Add(new TVAssetViewModel(asset, null));
}
LogMovement(ActivityType.NewAsset, asset.ID, 0, asset.CustomerID);
}
/// <summary>
/// Create list of child nodes that cannot be dropped onto.
/// </summary>
/// <param name="tvasset"></param>
/// <returns></returns>
public static Collection <int> GetChildIDs(TVAssetViewModel tvasset)
{
ChildNodeIDs.Clear();
var stack = new Stack <TVAssetViewModel>();
stack.Push(tvasset);
while (stack.Count != 0)
{
TVAssetViewModel current = stack.Pop();
//add current asset id to collecton
ChildNodeIDs.Add(current.Asset.ID);
foreach (TVAssetViewModel child in (current.Children).Reverse())
{
stack.Push(child);
}
}
return(null);
}
private void GetAllItems()
{
AllItems?.Clear();
FullyObservableCollection <TVCustomerModel> customers = GetTVCustomers();
foreach (TVCustomerModel cm in customers)
{
//add customer to tree
TreeViewItemViewModel customer = new TVCustomerViewModel(cm);
FullyObservableCollection <AssetModel> assets = GetCustomerChildAssets(cm.ID);
foreach (AssetModel am in assets)
{
TVAssetViewModel asset = new TVAssetViewModel(am, null);
GetAllSubItems(asset);
customer.Children.Add(asset);
}
AllItems.Add(customer);
}
}
/// <summary>
/// Delete asset matching assetid. Child assets are also deleted
/// </summary>
/// <param name="assetid">Current Asset ID</param>
/// <param name="assetparentid">Asset parent ID</param>
/// <param name="customerid">Asset customer ID</param>
public static void DeleteAssetDFS(TVAssetViewModel tvasset)
{
Window owner = Application.Current.Windows[0];
TVCustomerViewModel cm = GetCustomerNode(tvasset.Asset.CustomerID);
TVAssetViewModel asset = null;
asset = GetAssetDFS(cm, tvasset.Asset.ID);
TVAssetViewModel assetparent = null;
assetparent = GetAssetDFS(cm, tvasset.Asset.ParentAssetID);
if (asset != null)
{
if (assetparent != null)
{
assetparent.Children.Remove(asset);
}
else
{
cm.Children.Remove(asset);
}
SetParentAssetID(tvasset.Asset.ID, 0);
var stack = new Stack <TVAssetViewModel>();
stack.Push(asset);
while (stack.Count != 0)
{
TVAssetViewModel current = stack.Pop();
DeleteAsset((current).Asset);
CloseRelatedWindow(current.Asset.ID, owner);
LogMovement(ActivityType.Deleted, current.Asset.ID, tvasset.Asset.CustomerID, 0);
foreach (TVAssetViewModel child in (current.Children).Reverse())
{
stack.Push(child);
}
}
}
}
/// <summary>
/// Non-recursive option
/// </summary>
/// <param name="theseNodes"></param>
public void ResetFilteredAssets(ObservableCollection <TreeViewItemViewModel> theseNodes)
{
var stack = new Stack <TVAssetViewModel>();
foreach (TVAssetViewModel tv in theseNodes)
{
stack.Push(tv);
}
while (stack.Count != 0)
{
TVAssetViewModel current = stack.Pop();
current.IsFiltered = false;
current.IsExpanded = false;
if (current.Parent != null)
{
current.Parent.IsExpanded = false;
}
foreach (TVAssetViewModel child in (current.Children).Reverse())
{
stack.Push(child);
}
}
}
/// <summary>
/// Depth first search of asset tree for the given node
/// If found the node is returned as a static variable
/// else null
/// </summary>
/// This avoids recursion and finds the first occurrence of the target node
/// in the case where there could be multiple instances or circular references.
/// Need to be careful about size of stack. Data tree shape might prefer BFS instead.
/// Loop should run faster than recursion
/// <returns></returns>
public static TVAssetViewModel GetAssetDFS(TVCustomerViewModel cv, int targetid)
{
var stack = new Stack <TVAssetViewModel>();
foreach (TVAssetViewModel tv in cv.Children)
{
stack.Push(tv);
}
while (stack.Count != 0)
{
TVAssetViewModel current = stack.Pop();
//assign current node to found asset
if (current.Asset.ID == targetid)
{
return(current);
}
foreach (TVAssetViewModel child in (current.Children).Reverse())
{
stack.Push(child);
}
}
return(null);
}
private void ExecuteAddNewAssetCM(object parameter)
{
IMessageBoxService msg = new MessageBoxService();
if (parameter.GetType().Equals(typeof(TVAssetViewModel)))
{
TVAssetViewModel asset = parameter as TVAssetViewModel;
AssetModel result = msg.OpenAssetDlg(asset.Asset.CustomerID, asset.Asset.ID);
if (result != null)
{
AddAssetNode(result);
}
}
else
if (parameter.GetType().Equals(typeof(TVCustomerViewModel)))
{
TVCustomerViewModel customer = parameter as TVCustomerViewModel;
AssetModel result = msg.OpenAssetDlg(customer.Customer.ID, 0);
if (result != null)
{
AddAssetNode(result);
}
}
}
public TVAssetViewModel(TVAssetViewModel _parentasset) : base(_parentasset, true)
{
Asset = _parentasset.Asset;
}
