1 using System;
 2 using System.Windows;
 3 
 4 namespace FileExplorer
 5 {
 6     public nothrow System.Windows.Color DefaultContentViewFrameColor()
 7     {
 8         return System.Windows.Color(204u, 206u, 219u);
 9     }
10 
11     public class ContentView : ContainerControl
12     {
13         public ContentView(ImageList* imageList_) : base(ControlCreateParams().SetWindowClassName("FileExplorer.ContentView").
14             SetWindowClassBackgroundColor(SystemColor.COLOR_WINDOW).SetBackgroundColor(Color.White()).SetDock(Dock.fill)), 
15             imageList(imageList_)
16         {
17             AddChild(MakeFramedControl(new EmptyView(EmptyViewControlCreateParams(ControlCreateParams().Defaults()))));
18         }
19         public nothrow void SetMainWindow(MainWindow* mainWindow_)
20         {
21             mainWindow = mainWindow_;
22         }
23         public nothrow void ViewContent(Node* node)
24         {
25             if (framedChild != null)
26             {
27                 RemoveChild(framedChild);
28                 framedChild = null;
29                 child = null;
30             }
31             Control* view = node->CreateView(imageList);
32             if (view == null)
33             {
34                 view = new EmptyView(EmptyViewControlCreateParams(ControlCreateParams().Defaults()));
35             }
36             UniquePtr<Control> framedView = MakeFramedControl(view);
37             AddChild(framedView.Release());
38         }
39         protected override void OnPaint(PaintEventArgs& args)
40         {
41             child->Invalidate();
42             framedChild->Invalidate();
43             base->OnPaint(args);
44         }
45         private Control* MakeFramedControl(Control* child_)
46         {
47             child = child_;
48             child->SetScrollSubject();
49             PaddedControl* paddedControl = new PaddedControl(PaddedControlCreateParams(PaddedControlControlCreateParams(
50                 ControlCreateParams().Defaults(), child), child).Defaults());
51             BorderedControl* borderedControl = new BorderedControl(BorderedControlCreateParams(BorderedControlControlCreateParams(
52                 ControlCreateParams().Defaults(), paddedControl), paddedControl).SetNormalBorderColor(DefaultContentViewFrameColor()));
53             ScrollableControl* scrollableControl = new ScrollableControl(ScrollableControlCreateParams(ScrollableControlControlCreateParams(
54                 ControlCreateParams().SetDock(Dock.fill), borderedControl), borderedControl).Defaults());
55             framedChild = scrollableControl;
56             return scrollableControl;
57         }
58         private ImageList* imageList;
59         private MainWindow* mainWindow;
60         private Control* framedChild;
61         private Control* child;
62     }
63 }
64 
65