我想要一个水平方向的WPF数据表格,有人知道解决方法吗?
我之前做过这个,因为我们想要能够在DataGrid
和PropertyGrid
中使用同一个控件。需要改变很多东西(如对齐、滚动、排序箭头的位置等)。要贴出整个解决方案的代码太多了,但这应该可以让你开始着手处理。以下是自动生成文本列的示例,但您可以轻松修改它以使用其他列类型。
<ScrollViewer Name="c_dataGridScrollViewer"
Loaded="c_dataGridScrollViewer_Loaded"
VerticalScrollBarVisibility="Auto"
HorizontalScrollBarVisibility="Auto">
<DataGrid x:Name="c_dataGrid"
HorizontalAlignment="Left"
VerticalAlignment="Top"
AutoGeneratedColumns="c_dataGrid_AutoGeneratedColumns"
HorizontalScrollBarVisibility="Hidden"
VerticalScrollBarVisibility="Hidden">
<DataGrid.ColumnHeaderStyle>
<Style TargetType="{x:Type DataGridColumnHeader}">
<Setter Property="LayoutTransform">
<Setter.Value>
<TransformGroup>
<RotateTransform Angle="90"/>
</TransformGroup>
</Setter.Value>
</Setter>
</Style>
</DataGrid.ColumnHeaderStyle>
<DataGrid.LayoutTransform>
<TransformGroup>
<RotateTransform Angle="-90"/>
</TransformGroup>
</DataGrid.LayoutTransform>
</DataGrid>
</ScrollViewer>
当生成列时,我们会反转它们的位置并旋转TextBlocks和TextBoxes(这比旋转DataGridCell在对齐、模糊等方面更好)。
private void c_dataGridScrollViewer_Loaded(object sender, RoutedEventArgs e)
{
// Add MouseWheel support for the datagrid scrollviewer.
c_dataGrid.AddHandler(MouseWheelEvent, new RoutedEventHandler(DataGridMouseWheelHorizontal), true);
}
private void DataGridMouseWheelHorizontal(object sender, RoutedEventArgs e)
{
MouseWheelEventArgs eargs = (MouseWheelEventArgs)e;
double x = (double)eargs.Delta;
double y = c_dataGridScrollViewer.VerticalOffset;
c_dataGridScrollViewer.ScrollToVerticalOffset(y - x);
}
private void c_dataGrid_AutoGeneratedColumns(object sender, EventArgs e)
{
TransformGroup transformGroup = new TransformGroup();
transformGroup.Children.Add(new RotateTransform(90));
foreach (DataGridColumn dataGridColumn in c_dataGrid.Columns)
{
if (dataGridColumn is DataGridTextColumn)
{
DataGridTextColumn dataGridTextColumn = dataGridColumn as DataGridTextColumn;
Style style = new Style(dataGridTextColumn.ElementStyle.TargetType, dataGridTextColumn.ElementStyle.BasedOn);
style.Setters.Add(new Setter(TextBlock.MarginProperty, new Thickness(0, 2, 0, 2)));
style.Setters.Add(new Setter(TextBlock.LayoutTransformProperty, transformGroup));
style.Setters.Add(new Setter(TextBlock.HorizontalAlignmentProperty, HorizontalAlignment.Center));
Style editingStyle = new Style(dataGridTextColumn.EditingElementStyle.TargetType, dataGridTextColumn.EditingElementStyle.BasedOn);
editingStyle.Setters.Add(new Setter(TextBox.MarginProperty, new Thickness(0, 2, 0, 2)));
editingStyle.Setters.Add(new Setter(TextBox.LayoutTransformProperty, transformGroup));
editingStyle.Setters.Add(new Setter(TextBox.HorizontalAlignmentProperty, HorizontalAlignment.Center));
dataGridTextColumn.ElementStyle = style;
dataGridTextColumn.EditingElementStyle = editingStyle;
}
}
List<DataGridColumn> dataGridColumns = new List<DataGridColumn>();
foreach (DataGridColumn dataGridColumn in c_dataGrid.Columns)
{
dataGridColumns.Add(dataGridColumn);
}
c_dataGrid.Columns.Clear();
dataGridColumns.Reverse();
foreach (DataGridColumn dataGridColumn in dataGridColumns)
{
c_dataGrid.Columns.Add(dataGridColumn);
}
}
我在巨人的肩膀上真正站稳了 :-) 但是,我有一个额外的增强。@dimaKudr提出了一种无需编写代码即可转换预定义列的方法,@FrankE则调整了列的顺序。我要添加的是一种使用DataGrid.CellStyle
模板自动转换生成的列(AutoGenerateColumns="True"
)的方法。所以完整且相当优雅的解决方案如下:
<DataGrid ItemsSource="{Binding YourObservableCollection}"
AutoGenerateColumns="True"
AutoGeneratingColumn="OnAutoGeneratingColumn">
<DataGrid.LayoutTransform>
<TransformGroup>
<RotateTransform Angle="90"/>
<MatrixTransform Matrix="-1,0,0,1,0,0"/>
</TransformGroup>
</DataGrid.LayoutTransform>
<DataGrid.ColumnHeaderStyle>
<Style TargetType="{x:Type DataGridColumnHeader}"
BasedOn="{StaticResource {x:Type DataGridColumnHeader}}">
<Setter Property="LayoutTransform">
<Setter.Value>
<TransformGroup>
<RotateTransform Angle="-90"/>
<ScaleTransform ScaleX="1" ScaleY="-1" />
</TransformGroup>
</Setter.Value>
</Setter>
</Style>
</DataGrid.ColumnHeaderStyle>
<DataGrid.CellStyle>
<Style TargetType="DataGridCell">
<Setter Property="LayoutTransform">
<Setter.Value>
<TransformGroup>
<RotateTransform Angle="-90"/>
<ScaleTransform ScaleX="1" ScaleY="-1" />
</TransformGroup>
</Setter.Value>
</Setter>
</Style>
</DataGrid.CellStyle>
</DataGrid>
我对之前的解决方案进行了一些简化。我不喜欢使用额外的滚动条黑魔法,因此我没有使用它。但是,我使用了额外的比例变换。
<DataGrid.LayoutTransform>
<TransformGroup>
<RotateTransform Angle="-90"/>
<ScaleTransform ScaleX="1" ScaleY="-1" />
</TransformGroup>
</DataGrid.LayoutTransform>
<DataGrid.ColumnHeaderStyle>
<Style TargetType="{x:Type DataGridColumnHeader}"
BasedOn="{StaticResource {x:Type DataGridColumnHeader}}">
<Setter Property="LayoutTransform">
<Setter.Value>
<TransformGroup>
<RotateTransform Angle="-90"/>
<ScaleTransform ScaleX="1" ScaleY="-1" />
</TransformGroup>
</Setter.Value>
</Setter>
</Style>
</DataGrid.ColumnHeaderStyle>
如果预定义了列的列表,就可以直接在XAML中转换单元格内容:
<Style x:Key="TextCellStyle" TargetType="{x:Type TextBlock}">
<Setter Property="LayoutTransform">
<Setter.Value>
<TransformGroup>
<RotateTransform Angle="-90"/>
<ScaleTransform ScaleX="1" ScaleY="-1" />
</TransformGroup>
</Setter.Value>
</Setter>
</Style>
这使您完全摆脱了CodeBehind。
TransformGroup transformGroup = new TransformGroup();
transformGroup.Children.Add(new RotateTransform(90));
transformGroup.Children.Add(new MatrixTransform(-1, 0, 0, 1, 0, 0));
<!-- we rotate the whole DataGrid by -90 degree and then mirror via y-Axis so that it is docked vertically to the left side-->
<DataGrid.LayoutTransform>
<TransformGroup>
<RotateTransform Angle="90"/>
<MatrixTransform Matrix="-1,0,0,1,0,0"/>
</TransformGroup>
</DataGrid.LayoutTransform>
通过使用镜像,我将字段放在列列表底部而不是顶部。
哇,太棒了,谢谢!这还需要修改行/列选择开关,使其在上/下和左/右按钮之间切换。我尝试在DataGrid的keydown或keyup事件中处理此问题,但它的行为有点奇怪,来回翻转选择。有没有比下面这个更好的解决方案?这只是通过原始行向左和向右进行Shift Tab操作的代码。
private void c_dataGrid_KeyUp(object sender, KeyEventArgs e)
{
switch (e.Key)
{
case Key.Tab:
if (Keyboard.IsKeyDown(Key.LeftShift))
{
if (c_dataGrid.SelectedIndex > 0)
{
c_dataGrid.SelectedIndex--;
}
}
else
{
if (c_dataGrid.SelectedIndex < c_dataGrid.Items.Count - 1)
{
c_dataGrid.SelectedIndex++;
}
}
e.Handled = true;
break;
}
}
}