public MainWindow()
{
InitializeComponent();
ProductBoMRepoSql repo = new ProductBoMRepoSql();
listPartNo = repo.getAllPartNo().ToList();
dropdownList.ItemsSource = listPartNo;
}
public void updateTree(string partNoStr)
{
treeView.Items.Clear();
newtDataTemplateSelector = new tDataTemplateSelector();
ProductBoMRepoSql repo = new ProductBoMRepoSql();
list = repo.getAllTree(partNoStr).ToList();
ItemCollection allNodes = treeView.Items;
var groupedList = from bomNode in list
orderby bomNode.level, bomNode.RequiredPartNo
group bomNode by bomNode.level;
Dictionary <string, List <TreeViewItem> > itemChildCollection = new Dictionary <string, List <TreeViewItem> >();
treeView.ItemTemplateSelector = newtDataTemplateSelector;
TreeViewItem item = new TreeViewItem();
foreach (var partNoGroupItem in groupedList)
{
item.HeaderTemplate = FindResource("tSel") as DataTemplate;
item.HeaderTemplateSelector = newtDataTemplateSelector;
item.Header = new { PartNo = partNoGroupItem.Key, Tag = partNoGroupItem.Key };
var itemsInner = item.Items;
TreeViewItem itemChild = new TreeViewItem();
itemChild.HeaderTemplate = FindResource("tSel") as DataTemplate;
itemChild.HeaderTemplateSelector = newtDataTemplateSelector;
foreach (var bomItem in partNoGroupItem)
{
itemChild = new TreeViewItem();
int bomItemlevel = 0;
int.TryParse(bomItem.level, out bomItemlevel);
itemChild.Foreground = new SolidColorBrush(Color.FromRgb(220, (byte)(150 * bomItemlevel), (byte)(160 * bomItemlevel)));
itemChild.HeaderTemplate = FindResource("tSel") as DataTemplate;
itemChild.HeaderTemplateSelector = newtDataTemplateSelector;
itemChild.Tag = bomItem.RequiredPartNo;
itemChild.Header = bomItem;
if (itemChildCollection.ContainsKey(bomItem.PartNo))
{
List <TreeViewItem> itemsInnerColl = itemChildCollection[bomItem.PartNo];
foreach (TreeViewItem el in itemsInnerColl)
{
itemsInner = el.Items;
itemsInner.Add(itemChild);
if (itemChildCollection.ContainsKey(bomItem.RequiredPartNo))
{
itemChildCollection[bomItem.RequiredPartNo].Add(itemChild);
}
else
{
itemChildCollection[bomItem.RequiredPartNo] = new List <TreeViewItem>();
itemChildCollection[bomItem.RequiredPartNo].Add(itemChild);
}
}
}
else
{
itemsInner.Add(itemChild);
if (itemChildCollection.ContainsKey(bomItem.RequiredPartNo))
{
itemChildCollection[bomItem.RequiredPartNo].Add(itemChild);
}
else
{
itemChildCollection[bomItem.RequiredPartNo] = new List <TreeViewItem>();
itemChildCollection[bomItem.RequiredPartNo].Add(itemChild);
}
itemsInner = itemChild.Items;
}
} //foreach
} //forEach
treeView.Items.Add(item);
treeView.Items.OfType <TreeViewItem>().ToList().ForEach(ExpandAllNodes);
}