/// <summary>
/// Generate TreeViewItem
/// </summary>
/// <param name="localizeItemSelector"></param>
/// <param name="item"></param>
private void SetNavGroupSubItem(LocalizeItemSelector localizeItemSelector, SystemMenuTreeList item)
{
SubItem = new TreeViewItemEx();
SubItem.Header = localizeItemSelector.setLocalizeValue(SubItem, TreeViewItemEx.HeaderProperty);
SubItem.Style = objtemplate;
_dicflattenedTree.Add(item.Id, SubItem);
SubItem.IsExpanded = true;
if (_dicflattenedTree.ContainsKey(item.PId))
{
//// SubItem.ContextMenu = menuAdd;
_dicflattenedTree[item.PId].Items.Add(SubItem);
}
else
{
objtree.Items.Add(SubItem);
}
var Col = StructureItemsSource.OrderBy(a => a.DisplayIndex).Where(p => p.PId == item.Id);
if (0 < Col.Count())
{
GenerateNavControlTreeStructure(Col);
}
else
{
SubItem.PageUri = item.PageUri;
if (!string.IsNullOrEmpty(item.NameClass))
{
SubItem.MouseEnter += new MouseEventHandler(SubItem_MouseEnter);
SubItem.MouseLeftButtonUp += new MouseButtonEventHandler(newItem_MouseLeftButtonUp);
SubItem.PreviewKeyDown += new KeyEventHandler(subItemnew_PreviewKeyDown);
}
}
}
void TreeItemUpdate(TreeViewItemEx item, TreeViewNodeEx node)
{
item.Item.DataContext = item;
item.Item.AutoColor = false;
item.Item.Click = view.tree.DefultItemClick;
item.Text.Text = node.content;
item.visble.DataContext = item;
item.visble.Click = VisbleClick;
item.visble.AutoColor = false;
if (node.active)
{
item.visble.Context.MainColor = 0xFFF41FFF.ToColor();
}
else
{
item.visble.Context.MainColor = Color.gray;
}
if (node == view.tree.SelectNode)
{
item.Item.Context.MainColor = new Color32(128, 164, 255, 255);
}
else
{
item.Item.Context.MainColor = new Color32(0, 0, 0, 0);
}
}
public static void OnDragOver(TreeViewItemEx tvItem, DragEventArgs e)
{
//System.Diagnostics.Debug.WriteLine($"DragOver: {tvItem.Item}");
if (dropInfo != null && dropInfo.CouldHadleDrop(e))
{
dropInfo.UpdateInsertPosition(e);
dropInfo.UpdateTargetCollectionAndIndex();
if (dropInfo.CanAcceptData(DropInfo.ExtractDropData(dragInfo, e)))
{
if ((Keyboard.Modifiers & ModifierKeys.Control) == ModifierKeys.Control)
{
e.Effects = DragDropEffects.Copy;
}
else
{
e.Effects = DragDropEffects.Move;
}
}
else
{
e.Effects = DragDropEffects.None;
}
dropInfo.Effects = e.Effects;
e.Handled = true;
}
}
public static void OnMouseDown(TreeViewItemEx tvItem, MouseButtonEventArgs e)
{
if (e.ButtonState == MouseButtonState.Pressed &&
(e.ChangedButton == MouseButton.Left || e.ChangedButton == MouseButton.Right))
{
dragInfo = new DragInfo(tvItem, e);
}
}
public static void OnQueryContinueDrag(TreeViewItemEx tvItem, QueryContinueDragEventArgs e)
{
if (e.Action == DragAction.Cancel || e.EscapePressed)
{
Cancel();
e.Handled = true;
}
}
public DragInfo(TreeViewItemEx directVisualSourceItem, MouseButtonEventArgs e)
{
DragStartPoint = e.GetPosition(directVisualSourceItem);
DragMouseButton = e.ChangedButton;
DirectVisualSourceItem = directVisualSourceItem;
DirectSourceItem = directVisualSourceItem.Item;
VisualSource = directVisualSourceItem.ParentTreeView;
}
public static void OnDragLeave(TreeViewItemEx tvItem, DragEventArgs e)
{
System.Diagnostics.Debug.WriteLine($"DragLeave: {tvItem.Item}");
if (dropInfo != null)
{
dropInfo.TargetItem = null;
}
}
public static void HandleDropForTarget(TreeViewItemEx tvItem, DragEventArgs e)
{
OnDragOver(tvItem, e);
if (dragInfo?.IsDragInProgress == true)
{
return;
}
HandleDropForTarget(e.Effects, e);
}
public static void OnDragEnter(TreeViewItemEx tvItem, DragEventArgs e)
{
System.Diagnostics.Debug.WriteLine($"DragEnter: {tvItem.Item}");
if (dropInfo == null)
{
dropInfo = new DropInfo();
}
if (dropInfo.CouldHadleDrop(e))
{
dropInfo.TargetItem = tvItem;
e.Handled = true;
}
OnDragOver(tvItem, e);
}
public static void OnDragEnter(TreeViewItemEx tvItem, DragEventArgs e)
{
System.Diagnostics.Debug.WriteLine($"DragEnter: {tvItem.Item}");
// this logic was moved to OnDragOver to fix an issue
// when using drag and drop if the window is floating
//if (dropInfo == null)
// dropInfo = new DropInfo();
//if (dropInfo.CouldHadleDrop(e))
//{
// dropInfo.TargetItem = tvItem;
// e.Handled = true;
//}
OnDragOver(tvItem, e);
}
/// <summary>
/// Generate NavGroup
/// </summary>
/// <param name="localizeItemSelector"></param>
/// <param name="item"></param>
private void SetNavBarGroup(LocalizeItemSelector localizeItemSelector, SystemMenuTreeList item)
{
NavGroup = new OutlookSection();
//NavGroup.PageUri = item.PageUri;
NavGroup.Header = localizeItemSelector.setLocalizeValue(NavGroup, HeaderedContentControl.HeaderProperty);
if (item.ImageIcon != null)
{
BitmapImage bitmap = new BitmapImage();
bitmap.BeginInit();
bitmap.CreateOptions = BitmapCreateOptions.None;
bitmap.CacheOption = BitmapCacheOption.Default;
var imageSource = item.ImageIcon;
bitmap.StreamSource = new MemoryStream((byte[])imageSource.ToArray());
bitmap.EndInit();
Image image = new Image();
image.Source = bitmap;
NavGroup.Image = image.Source;
}
//NavGroup.Click += NavGroup_Click;
NavigationBar.Sections.Add(NavGroup);
objtree = new TreeView();
NavGroup.Margin = new Thickness(0, 0, 0, 0);
objtree.Margin = new Thickness(0, 5, 0, 0);
NavGroup.Content = objtree;
//NavigationBar.Items.Add(objtree);
TreeViewItemEx AreapageItem = new TreeViewItemEx()
{
Style = objtemplate, IsAreaPageTreeItem = true
}; //
LocalizeItemSelector localizeItemSelector1 = new LocalizeItemSelector();
CommonMethods.AddLocalizeItem(localizeItemSelector1, "en", "Area Page");
CommonMethods.AddLocalizeItem(localizeItemSelector1, "ja", "エリアページ");
CommonMethods.AddLocalizeItem(localizeItemSelector1, "th", "หน้าบริเวณ");
CommonMethods.AddLocalizeItem(localizeItemSelector1, "zh", "區頁");
//AreapageItem.PageUri = item.PageUri;
localizeItemSelector1.setLocalizeValue(AreapageItem, TreeViewItemEx.HeaderProperty);
AreapageItem.Header = localizeItemSelector1.setLocalizeValue(AreapageItem, TreeViewItemEx.HeaderProperty);
//AreapageItem.MouseLeftButtonUp += new MouseButtonEventHandler(AreapageItem_MouseLeftButtonUp);
objtree.Items.Add(AreapageItem);
}
public static void OnDragOver(TreeViewItemEx tvItem, DragEventArgs e)
{
//System.Diagnostics.Debug.WriteLine($"DragOver: {tvItem.Item}");
if (dropInfo == null)
{
dropInfo = new DropInfo();
}
if (dropInfo.CouldHadleDrop(e))
{
// set the target item, this also initializes the DropTargetAdorner
dropInfo.TargetItem = tvItem;
// update data related to the current mouse position and the target item
dropInfo.UpdateInsertPosition(e);
dropInfo.UpdateTargetContainerAndIndex();
// set the drop mode Copy|Move|None
if (dropInfo.CanAcceptData(DropInfo.ExtractDropData(dragInfo, e)))
{
if ((Keyboard.Modifiers & ModifierKeys.Control) == ModifierKeys.Control)
{
e.Effects = DragDropEffects.Copy;
}
else
{
e.Effects = DragDropEffects.Move;
}
}
else
{
e.Effects = DragDropEffects.None;
}
// this controls the adorner
dropInfo.Effects = e.Effects;
e.Handled = true;
}
}
internal bool PreviewExpandTreeViewItem(TreeViewItemEx item)
{
// return true to allow expansion, false to cancel
return(true);
}
