/// <summary>
/// Adds a field to the parent <see cref="ObjectFieldCollection"/>.
/// </summary>
/// <param name="field">The field to add.</param>
private void AddNewEntry(ObjectField field)
{
object newValue = GetNewValue(field);
ObjectFieldDictionary parentDictionary = field as ObjectFieldDictionary;
if (parentDictionary != null)
{
// Find a new key value
string key;
for (int i = 1; ; ++i)
{
key = "Key" + i;
if (!parentDictionary.Items.ContainsKey(key))
{
break;
}
}
ObjectField newField = ModelCreator.CreateObjectField("[" + key + "]", newValue, parentDictionary);
newField.NameTag = key;
parentDictionary.Add(newField);
return;
}
ObjectFieldList parentList = field as ObjectFieldList;
if (parentList != null)
{
ObjectField newField = ModelCreator.CreateObjectField("[" + (parentList.Items.Count + 1) + "]", newValue, parentList);
parentList.Add(newField);
}
}
/// <summary>
/// Gets called when an item is dropped over the treeview.
/// </summary>
/// <param name="sender">The sender of the event.</param>
/// <param name="e">More information about the event.</param>
private void trvTree_DragDrop(object sender, DragEventArgs e)
{
if (e.Data.GetDataPresent(typeof(TreeNodeAdv[])) && trvTree.DropPosition.Node != null)
{
TreeNodeAdv[] nodes = e.Data.GetData(typeof(TreeNodeAdv[])) as TreeNodeAdv[];
TreeNodeAdv parent = trvTree.DropPosition.Node;
if (nodes != null && nodes.Length == 1 && parent != null)
{
ObjectField draggedField = nodes[0].Tag as ObjectField;
ObjectField destField = parent.Tag as ObjectField;
if (draggedField != null && destField != null)
{
bool ownNode = trvTree.FindNodeByTag(draggedField) != null;
if (ownNode)
{
ObjectFieldList parentList = destField.Parent as ObjectFieldList;
if (parentList != null)
{
int index = parentList.Items.IndexOf(destField);
index = trvTree.DropPosition.Position == NodePosition.After ? index + 1 : index;
bool expanded = nodes[0].IsExpanded;
parentList.Move(draggedField, index);
trvTree.FindNodeByTag(draggedField).IsExpanded = expanded;
}
}
else
{
ObjectFieldDictionary parentDestDict = destField.Parent as ObjectFieldDictionary;
ObjectFieldList parentDestList = destField.Parent as ObjectFieldList;
ObjectField clonedField = draggedField.Clone() as ObjectField;
if (clonedField != null)
{
clonedField.Parent = destField.Parent;
//TODO: The cloned field still wraps the uncloned value. Cloning this is not easy since
// we can't use Clone() on it since it could not be implemented.
if (parentDestDict != null)
{
parentDestDict.Add(clonedField);
}
else if (parentDestList != null)
{
int index = parentDestList.Items.IndexOf(destField);
index += trvTree.DropPosition.Position == NodePosition.After ? 1 : 0;
parentDestList.Insert(index, clonedField);
}
}
}
}
}
}
}