private ObservableCollection <OrgElementViewModel> GetChildren()
{
children = new ObservableCollection <OrgElementViewModel>();
//get the list of children from Model
foreach (Node i in OrgChartManager.Instance().GetChildren(this.ID))
{
children.Add(new OrgElementViewModel(i, this));
}
return(children);
}
/// <summary>
/// Remove this OrgElementViewModel from the
/// OrgTreeViewModel
/// </summary>
/// <param name="i"></param>
void IDragable.Remove(object data)
{
//if moving within organization we don't want to
//delete the data from the tree
OrgElementViewModel org = data as OrgElementViewModel;
if (org != null)
{
//if not a move within organization(moving outside of orgchart)
if (!org.isMoveWithinOrganization)
{
OrgChartManager.Instance().RemoveNode(this.ID);
}
}
//refresh the view of parent's children
if (parent != null)
{
parent.Children = parent.GetChildren();
}
}
/// <summary>
/// Drop data into this OrgElementViewModel
/// </summary>
void IDropable.Drop(object data, int index)
{
//if moving within organization, reassign the children to the
//level above first
OrgElementViewModel org = data as OrgElementViewModel;
ElementViewModel elem = data as ElementViewModel;
if (org != null)
{
org.isMoveWithinOrganization = true;
if (org.ID == this.ID) //if dragged and dropped yourself, don't need to do anything
{
return;
}
OrgChartManager.Instance().Reassign(new Node {
Id = org.ID
}, org.parent.ID);
OrgChartManager.Instance().AddNode(new Node {
Id = org.ID,
ParentId = this.ID,
FirstName = org.FirstName,
LastName = org.LastName
},
this.ID);
}
else if (elem != null)
{
OrgChartManager.Instance().AddNode(new Node {
Id = elem.ID,
ParentId = this.ID,
FirstName = elem.FirstName,
LastName = elem.LastName
},
this.ID);
}
this.Children = this.GetChildren(); //refresh view
}
