ListView:
<ListView x:Name="lvFiles" VerticalAlignment="Stretch" Background="Transparent" Width="Auto" AllowDrop="{Binding IsAllowDrop}" Margin="20,0,20,30"
ScrollViewer.HorizontalScrollBarVisibility="Auto" ScrollViewer.VerticalScrollBarVisibility="Auto"
ButtonBase.Click="ButtonBaseClickedHandler" ItemContainerStyle="{StaticResource ListViewItemStyle}" ItemsSource="{Binding ContentItemsView}"
dnd:DragDropHelper.IsDragSource="True"
local:FileViewStyle.SortDefaultStyle="{StaticResource NormalSortHeaderTemplate}"
local:FileViewStyle.SortAscStyle="{StaticResource AscSortHeaderTemplate}"
local:FileViewStyle.SortDescStyle="{StaticResource DescSortHeaderTemplate}">
<ListView.View>
<GridView ColumnHeaderContainerStyle="{StaticResource GridViewColumnHeader}">
<GridViewColumn Header="{StaticResource IDS_NAME}" x:Name="nameColumn"
HeaderStringFormat="Name" HeaderTemplate="{StaticResource NormalSortHeaderTemplate}"
Width="{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=ListView}, Converter={StaticResource AutoListViewColumnWidthConverter}}">
<GridViewColumn.CellTemplate>
<DataTemplate >
<DockPanel>
<Image x:Name="img" Width="20" Height="20" Source="{Binding Icon,Converter={StaticResource ImgPathToImageConverter}}"
SnapsToDevicePixels="True" UseLayoutRounding="True"
RenderTransformOrigin="0.5,0.5" Margin="0,0,5,0"></Image>
<customControl:EnhancedTextBlock Text="{Binding Name}" VerticalAlignment="Center" TextTrimming="CharacterEllipsis" />
</DockPanel>
</DataTemplate>
</GridViewColumn.CellTemplate>
</GridViewColumn>
<GridViewColumn HeaderStringFormat="Type" HeaderTemplate="{StaticResource NormalSortHeaderTemplate}"
Width="80" Header="{StaticResource IDS_TYPE}" local:RangeColumn.MinWidth="80">
<GridViewColumn.CellTemplate>
<DataTemplate >
<customControl:EnhancedTextBlock Text="{Binding Type}" VerticalAlignment="Center" TextTrimming="CharacterEllipsis" />
</DataTemplate>
</GridViewColumn.CellTemplate>
</GridViewColumn>
<GridViewColumn HeaderStringFormat="Size" HeaderTemplate="{StaticResource NormalSortHeaderTemplate}"
Width="80" Header="{StaticResource IDS_SIZE}" local:RangeColumn.MinWidth="80">
<GridViewColumn.CellTemplate>
<DataTemplate >
<customControl:EnhancedTextBlock Text="{Binding SizeStr}" VerticalAlignment="Center" TextTrimming="CharacterEllipsis" />
</DataTemplate>
</GridViewColumn.CellTemplate>
</GridViewColumn>
<GridViewColumn HeaderStringFormat="Modified" HeaderTemplate="{StaticResource NormalSortHeaderTemplate}"
Width="120" Header="{StaticResource IDS_MODIFIED}" local:RangeColumn.MinWidth="120">
<GridViewColumn.CellTemplate>
<DataTemplate >
<customControl:EnhancedTextBlock Text="{Binding LastModifyTimeString}" VerticalAlignment="Center" TextTrimming="CharacterEllipsis" />
</DataTemplate>
</GridViewColumn.CellTemplate>
</GridViewColumn>
</GridView>
</ListView.View>
</ListView>
ListViewItemStyle:
<Style x:Key="ListViewItemStyle" TargetType="{x:Type ListViewItem}" BasedOn="{StaticResource {x:Type ListViewItem}}">
<Setter Property="ContextMenu" Value="{StaticResource ItemContextMenu}" />
<Setter Property="IsSelected" Value="{Binding IsSelected}"/>
<Setter Property="Height" Value="22" />
<EventSetter Event="RequestBringIntoView" Handler="ListViewItem_RequestBringIntoView"></EventSetter>
<!--<Setter Property="helper:DragSelectionHelper.IsDragSelecting" Value="False"/>-->
<!--<Style.Triggers>
<Trigger Property="ListBoxItem.IsMouseOver" Value="True">
<Setter Property="helper:DragSelectionHelper.IsDragSelecting" Value="True" />
</Trigger>
</Style.Triggers>-->
</Style>
NormalSortHeaderTemplate:
<DataTemplate x:Key="NormalSortHeaderTemplate">
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="*" />
<ColumnDefinition Width="Auto" />
</Grid.ColumnDefinitions>
<customControl:EnhancedTextBlock Grid.Column="0" Text="{Binding}"
VerticalAlignment="{TemplateBinding VerticalAlignment}" HorizontalAlignment="Left"
FontWeight="{TemplateBinding TextBlock.FontWeight}" Foreground="{TemplateBinding TextBlock.Foreground}"/>
</Grid>
</DataTemplate>
AscSortHeaderTemplate:
<DataTemplate x:Key="AscSortHeaderTemplate">
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="*" />
<ColumnDefinition Width="Auto" />
</Grid.ColumnDefinitions>
<customControl:EnhancedTextBlock Grid.Column="0" Text="{Binding}"
VerticalAlignment="{TemplateBinding VerticalAlignment}"
FontWeight="{TemplateBinding TextBlock.FontWeight}" Foreground="{TemplateBinding TextBlock.Foreground}" />
<Path Grid.Column="1" x:Name="arrow" Margin="0,-6,6,0" VerticalAlignment="{TemplateBinding VerticalAlignment}"
StrokeThickness="1" Fill="#FF4C4A4A" Data="M 5,10 L 15,10 L 10,5 L 5,10" />
</Grid>
</DataTemplate>
DescSortHeaderTemplate:
<DataTemplate x:Key="DescSortHeaderTemplate">
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="*" />
<ColumnDefinition Width="Auto" />
</Grid.ColumnDefinitions>
<customControl:EnhancedTextBlock Grid.Column="0" Text="{Binding}" VerticalAlignment="{TemplateBinding VerticalAlignment}"
FontWeight="{TemplateBinding TextBlock.FontWeight}" Foreground="{TemplateBinding TextBlock.Foreground}" />
<Path Grid.Column="1" x:Name="arrow" Margin="0,-6,6,0" VerticalAlignment="{TemplateBinding VerticalAlignment}"
StrokeThickness="1" Fill="#FF4C4A4A" Data="M 5,5 L 10,10 L 15,5 L 5,5" />
</Grid>
</DataTemplate>
GridViewColumnHeader:
<Style x:Key="GridViewColumnHeader" TargetType="{x:Type GridViewColumnHeader}">
<Setter Property="HorizontalContentAlignment" Value="Stretch"/>
<Setter Property="VerticalContentAlignment" Value="Center"/>
<Setter Property="VerticalAlignment" Value="Center"/>
<Setter Property="Foreground" Value="#646464"/>
<Setter Property="Background" Value="#f2f2f2" />
<Setter Property="Height" Value="22" />
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="GridViewColumnHeader">
<Grid Background="{TemplateBinding Background}">
<Border Name="HeaderBorder">
<ContentPresenter x:Name="HeaderContent" Content="{TemplateBinding Content}" ContentStringFormat="{TemplateBinding ContentStringFormat}"
VerticalAlignment="Center"
Margin="10,0,0,0" RecognizesAccessKey="True"
SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"
ContentTemplate="{TemplateBinding ContentTemplate}">
</ContentPresenter>
</Border>
<Thumb x:Name="PART_HeaderGripper" HorizontalAlignment="Right" Style="{StaticResource GridViewColumnHeaderGripper}"/>
</Grid>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
ButtonBaseClickedHandler:
#region sort
/// <summary>
/// last sort header
/// </summary>
GridViewColumnHeader _lastHeaderClicked = null; /// <summary>
/// last sort direction
/// </summary>
ListSortDirection _lastDirection = ListSortDirection.Ascending; void ButtonBaseClickedHandler(object sender, RoutedEventArgs e)
{
#region sort
try
{
GridViewColumnHeader headerClicked =
e.OriginalSource as GridViewColumnHeader; ListSortDirection direction; if (headerClicked != null)
{
if (headerClicked.Column.HeaderStringFormat == null) return;
string header = headerClicked.Column.HeaderStringFormat as string;
if (headerClicked.Role != GridViewColumnHeaderRole.Padding)
{
if (headerClicked != _lastHeaderClicked)
{
direction = ListSortDirection.Descending;
}
else
{
if (_lastDirection == ListSortDirection.Ascending)
{
direction = ListSortDirection.Descending;
}
else
{
direction = ListSortDirection.Ascending;
}
} Sort(header, direction); if (direction == ListSortDirection.Ascending)
{
SetSortStyle(headerClicked.Column, true);
}
else
{
SetSortStyle(headerClicked.Column, false);
} // Remove arrow from previously sorted header
if (_lastHeaderClicked != null && _lastHeaderClicked != headerClicked)
{
//_lastHeaderClicked.Column.HeaderTemplate = null;
_lastHeaderClicked.Column.HeaderTemplate = FileViewStyle.GetSortDefaultStyle(lvFiles);
} _lastHeaderClicked = headerClicked;
_lastDirection = direction;
}
}
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
#endregion } void SetSortStyle(GridViewColumn column, bool isAsc)
{
DataTemplate dataTemplate = null; if (isAsc)
{
dataTemplate = FileViewStyle.GetSortAscStyle(lvFiles);
}
else
{
dataTemplate = FileViewStyle.GetSortDescStyle(lvFiles);
} if (dataTemplate != null)
{
column.HeaderTemplate = dataTemplate;
}
} void Sort(string sortBy, ListSortDirection direction)
{
if (string.IsNullOrEmpty(sortBy)) return; ICollectionView dataView =
CollectionViewSource.GetDefaultView(lvFiles.ItemsSource); dataView.SortDescriptions.Clear();
SortDescription sortByType = new SortDescription("IsFolder", direction);
dataView.SortDescriptions.Add(sortByType);
SortDescription sortByProperty = new SortDescription(sortBy, direction);
dataView.SortDescriptions.Add(sortByProperty);
dataView.Refresh();
}
#endregion
附上其他细节：
public FileManageListView()
{
InitializeComponent();
this.lvFiles.MouseDoubleClick += FilesView_MouseDoubleClick;
lvFiles.KeyDown += LvFiles_KeyDown;
lvFiles.SelectionChanged += LvFiles_SelectionChanged;
} private void LvFiles_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
foreach (var removedItem in e.RemovedItems.Cast<FileItemViewModel>())
{
removedItem.IsSelected = false;
}
foreach (var addedItem in e.AddedItems.Cast<FileItemViewModel>())
{
addedItem.IsSelected = true;
}
FileManagerViewModel.Instance.RaiseCanExecuteChanged();
}
private void Grid_DragOver(object sender, DragEventArgs e)
{
try
{
var itemViewModel = (sender as Grid).DataContext as FileItemViewModel;
FileManagerViewModel.Instance.DragOverItem = itemViewModel;
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
} private void LvFiles_KeyDown(object sender, KeyEventArgs e)
{
if (e.Key == Key.Delete)
{
var deleteCommand = FileManagerViewModel.Instance.DeleteCommand as ICommand;
if (deleteCommand.CanExecute(null))
{
deleteCommand.Execute(null);
} }
} private void ListViewItem_RequestBringIntoView(object sender, RequestBringIntoViewEventArgs e)
{
e.Handled = true;
}