[咱也玩一玩]WPF立方体盒子承载DataGrid可旋转可平移可编辑

lizhibin11 2012-07-18 10:55:58

加精

最近在论坛看到几个WPF和XNA的三维问题，在尝试回答时研究了一下，现炒现卖，做了一个立方体盒子承载DataGrid，可以用方向键上下左右旋转，用鼠标滚轮前进后退，DataGrid可以编辑。

代码：
UserControl



<UserControl x:Class="WpfApplication2.UserControl1"

             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 

             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 

             mc:Ignorable="d">

    <Grid>

        <Grid.ColumnDefinitions>

            <ColumnDefinition Width="*" />

            <ColumnDefinition Width="*" />

            <ColumnDefinition Width="*" />

            <ColumnDefinition Width="*" />

        </Grid.ColumnDefinitions>

        <Grid.RowDefinitions>

            <RowDefinition Height="*" />

            <RowDefinition Height="*" />

            <RowDefinition Height="*" />

        </Grid.RowDefinitions>

        <DataGrid Grid.Row="1" Name="dataGrid1" RowBackground="Orange" ColumnWidth="*" />

        <DataGrid Grid.Column="1" Grid.Row="1"  Name="dataGrid2" RowBackground="Yellow" ColumnWidth="*" />

        <DataGrid Grid.Column="2" Grid.Row="1" Name="dataGrid3" RowBackground="Red" ColumnWidth="*" />

        <DataGrid Grid.Column="3" Grid.Row="1" Name="dataGrid4" RowBackground="Blue" ColumnWidth="*"  />

        <DataGrid Grid.Column="1" Name="dataGrid5" RowBackground="Green" ColumnWidth="*"  />

        <DataGrid Grid.Column="1" Grid.Row="2" Name="dataGrid6" RowBackground="White" ColumnWidth="*" />

    </Grid>

</UserControl>

MainWindow



<Window xmlns:my="clr-namespace:WpfApplication2"  x:Class="WpfApplication2.MainWindow"

        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

        Title="MainWindow" Height="600" Width="800" Loaded="Window_Loaded">

    <Grid Name="grid1">

        <Viewport3D>

            <Viewport3D.Camera>

                <PerspectiveCamera Position="0, 0, 0" FarPlaneDistance="2" LookDirection="0, 0, -1" NearPlaneDistance="0.1" UpDirection="0 ,1, 0" FieldOfView="135" />

            </Viewport3D.Camera>

            <Viewport2DVisual3D x:Name="v23">

                <Viewport2DVisual3D.Geometry>

                    <MeshGeometry3D Positions="-1, 1, 1 -1, -1, 1 -1, 1, -1 -1, -1, -1 1, 1, -1 1, -1, -1 1, 1, 1 

                                    1, -1, 1 -1, 1, 1 -1, -1, 1 -1, 1, 1 1, 1, 1 -1, -1, 1 1, -1, 1"

                                    TextureCoordinates="0, 0.3333 0, 0.6666 0.25, 0.3333 0.25, 0.6666 0.5,0.3333 0.5, 0.6666 

                                    0.75, 0.3333 0.75, 0.6666 1, 0.3333 1, 0.6666 0.25, 0 0.5, 0 0.25, 1 0.5, 1" 

                                    TriangleIndices="0 1 3 0 3 2 2 3 5 2 5 4 4 5 7 4 7 6 6 7 9 6 9 8 10 2 4 10 4 11 3 12 13 3 13 5"/>

                </Viewport2DVisual3D.Geometry>

                <Viewport2DVisual3D.Material>

                    <DiffuseMaterial Viewport2DVisual3D.IsVisualHostMaterial="True" Brush="White" />

                </Viewport2DVisual3D.Material>

                <my:UserControl1 x:Name="ucontrol" Width="800" Height="600" />

            </Viewport2DVisual3D>

            <ModelVisual3D>

                <ModelVisual3D.Content>

                    <Model3DGroup>

                        <DirectionalLight Color="#FFFFFFFF" Direction="0, 0, -1" />

                        <DirectionalLight Color="#FFFFFFFF" Direction="-1, 0, 0" />

                        <DirectionalLight Color="#FFFFFFFF" Direction="1, 0, 0" />

                        <DirectionalLight Color="#FFFFFFFF" Direction="0, 1, 0" />

                        <DirectionalLight Color="#FFFFFFFF" Direction="0, -1, 0" />

                    </Model3DGroup>

                </ModelVisual3D.Content>

            </ModelVisual3D>

        </Viewport3D>

    </Grid>

</Window>

MainWindow.cs



namespace WpfApplication2

{

    public partial class MainWindow : Window

    {

        public MainWindow()

        {

            InitializeComponent();

        }

        RotateTransform3D rt3dud;

        RotateTransform3D rt3dlr;

        TranslateTransform3D tl3d;

        double updown = 0;

        double leftright = 0;

        int translate = 0;

        private void Window_Loaded(object sender, RoutedEventArgs e)

        {

            DataGrid[] dgs = { ucontrol.dataGrid1, ucontrol.dataGrid2, ucontrol.dataGrid3, 

                                 ucontrol.dataGrid4, ucontrol.dataGrid5, ucontrol.dataGrid6 };

            for (int i = 0; i < 6; i++)

            {

                DataTable dt = new DataTable();

                for (int j = 0; j < 4; j++)

                    dt.Columns.Add(((char)(4 * i + j + 65)).ToString(), typeof(int));

                for (int m = 0; m < 20; m++)

                    dt.Rows.Add(m, m, m, m);

                dgs[i].ItemsSource = dt.DefaultView;

            }

            rt3dud = new RotateTransform3D(AxisAngleRotation3D.Identity);

            rt3dlr = new RotateTransform3D(AxisAngleRotation3D.Identity);

            tl3d = new TranslateTransform3D(new Vector3D(0, 0, 0));

            Transform3DGroup t3dg = new Transform3DGroup();

            t3dg.Children.Add(rt3dud);

            t3dg.Children.Add(rt3dlr);

            t3dg.Children.Add(tl3d);

            v23.Transform = t3dg;

        }

        protected override void OnPreviewKeyDown(KeyEventArgs e)

        {

            switch (e.Key)

            {

                case Key.Up:

                    updown -= 5;

                    rt3dud.Rotation = new AxisAngleRotation3D(new Vector3D(1, 0, 0), updown);

                    break;

                case Key.Down:

                    updown += 5;

                    rt3dud.Rotation = new AxisAngleRotation3D(new Vector3D(1, 0, 0), updown);

                    break;

                case Key.Left:

                    leftright -= 5;

                    rt3dlr.Rotation = new AxisAngleRotation3D(new Vector3D(0, 1, 0), leftright);

                    break;

                case Key.Right:

                    leftright += 5;

                    rt3dlr.Rotation = new AxisAngleRotation3D(new Vector3D(0, 1, 0), leftright);

                    break;

                default:

                    return;

            }

        }

        protected override void OnPreviewMouseWheel(MouseWheelEventArgs e)

        {

            e.Handled = true;

            tl3d.OffsetZ = e.Delta< 0 ? --translate * 0.05 : ++translate * 0.05;

        }

    }

}