[英]c# wpf mvvm DataGrid Hyperlink to Path
我想創建一個DataGrid
來顯示我從LogFile
讀取的信息。 DataGrid
顯示在LogFiles
發現的發生的錯誤。 讀取它們並為每個錯誤創建對象都沒有問題。
現在,我需要將LogFile
路徑添加到DataGrid
並使其可單擊。 因此,當您單擊路徑時, LogFile
應該打開。 我正在使用mvvm
模式,因此不允許在代碼隱藏中使用任何代碼。
我發現了2個不同的想法來解決我的問題,但沒有一個能解決它:
第一個帶有TemplateColumn
:
<DataGrid HorizontalAlignment="Stretch"
VerticalAlignment="Stretch"
Margin="10"
ItemsSource="{Binding Path=Errors}"
SelectionMode="Single"
SelectedItem="{Binding Mode=OneWayToSource, Path=SelectedError}"
AutoGenerateColumns="False"
IsReadOnly="True">
<DataGrid.Columns>
<DataGridTextColumn Header="{Binding Path=Data.Texts[FaultyFileCaption], Source={StaticResource DataContextProxy}}" Binding="{Binding Path=FaultyFile}" Width="Auto"/>
<DataGridTextColumn Header="{Binding Path=Data.Texts[LanguageCaption], Source={StaticResource DataContextProxy}}" Binding="{Binding Path=Language}" Width="Auto"/>
<DataGridTextColumn Header="{Binding Path=Data.Texts[KindCaption], Source={StaticResource DataContextProxy}}" Binding="{Binding Path=Type}" Width="Auto"/>
<DataGridTextColumn Header="{Binding Path=Data.Texts[ErrorCodeCaption], Source={StaticResource DataContextProxy}}" Binding="{Binding Path=ErrorCode}" Width="Auto"/>
<DataGridTextColumn Header="{Binding Path=Data.Texts[SourcePathCaption], Source={StaticResource DataContextProxy}}" Binding="{Binding Path=SourcePath}" Width="Auto"/>
<DataGridTemplateColumn Header="{Binding Path=Data.Texts[LogFilePath], Source={StaticResource DataContextProxy}}" Width="Auto">
<DataGridTemplateColumn.CellTemplate>
<DataTemplate>
<TextBlock>
<Hyperlink Command="{Binding ElementName=ErrorDataGrid, Path=Data.CmdLogFilePathClick, Source={StaticResource DataContextProxy}}"/>
<TextBlock Text="{Binding Path=LogFilePath}"/>
</TextBlock>
</DataTemplate>
</DataGridTemplateColumn.CellTemplate>
</DataGridTemplateColumn>
</DataGrid.Columns>
</DataGrid>
第二個使用HyperlinkColumn
:
<DataGrid HorizontalAlignment="Stretch"
VerticalAlignment="Stretch"
Margin="10"
ItemsSource="{Binding Path=Errors}"
SelectionMode="Single"
SelectedItem="{Binding Mode=OneWayToSource, Path=SelectedError}"
AutoGenerateColumns="False"
IsReadOnly="True"
Name="ErrorDataGrid">
<DataGrid.Columns>
<DataGridTextColumn Header="{Binding Path=Data.Texts[FaultyFileCaption], Source={StaticResource DataContextProxy}}" Binding="{Binding Path=FaultyFile}" Width="Auto"/>
<DataGridTextColumn Header="{Binding Path=Data.Texts[LanguageCaption], Source={StaticResource DataContextProxy}}" Binding="{Binding Path=Language}" Width="Auto"/>
<DataGridTextColumn Header="{Binding Path=Data.Texts[KindCaption], Source={StaticResource DataContextProxy}}" Binding="{Binding Path=Type}" Width="Auto"/>
<DataGridTextColumn Header="{Binding Path=Data.Texts[ErrorCodeCaption], Source={StaticResource DataContextProxy}}" Binding="{Binding Path=ErrorCode}" Width="Auto"/>
<DataGridTextColumn Header="{Binding Path=Data.Texts[SourcePathCaption], Source={StaticResource DataContextProxy}}" Binding="{Binding Path=SourcePath}" Width="Auto"/>
<DataGridHyperlink Header="{Binding Path=Data.Texts[LogFilePath], Source={StaticResource DataContextProxy}}" Binding="{Binding Path=LogFilePath}" Width="Auto">
<DataGridHyperlinkColumn.ElementStyle>
<Style>
<EventSetter Event="Hyperlink.Click" Handler="{Binding Path=Data.DG_Hyperlink_Click, Source={StaticResource DataContextProxy}}"/>
</Style>
</DataGridHyperlinkColumn.ElementStyle>
</DataGridTemplateColumn>
</DataGrid.Columns>
</DataGrid>
在這兩種情況下,我的Command或Handler都只在給定路徑下打開文件。
希望您能理解我的問題,也非常感謝您能提供的任何幫助:)
在第一種方法中,您必須像這樣執行Command-Binding:
Command="{Binding DataContext.CmdLogFilePathClick, RelativeSource={RelativeSource FindAncestor, AncestorType=Window}}"
如果您的DataGrid
位於UserControl
而不是Window
請將其更改為:
Command="{Binding DataContext.CmdLogFilePathClick, RelativeSource={RelativeSource FindAncestor, AncestorType=UserControl}}"
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