我终于能够解决它。
我不得不在 ListView ItemSource 上使用转换器。然后在 Convert Function 上对 List 进行排序。
下面是代码：
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.Xml;
using System.Threading;
using System.Collections.ObjectModel;
namespace ...MiscellaneousCAESettings
{
/// <summary>
/// Interaction logic for ConfigDataView.xaml
/// </summary>
public partial class ConfigDataView : UserControl, IConfigDataViewControl
{
ConfigDataViewPresenter _presenter = null;
public static string _currDataType = "";
public static string _min = "" ;
public static string _max = "";
public string Min
{
get
{
return _min;
}
set
{
_min = value ;
}
}
public string Max
{
get
{
return _max;
}
set
{
_max = value;
}
}
public string CurrDataType
{
get
{
return _currDataType;
}
set
{
_currDataType = value;
}
}
public ConfigDataView()
{
InitializeComponent();
//To give the classic windows look
Uri uri = new Uri("PresentationFramework.Classic;V3.0.0.0;31bf3856ad364e35;component\\themes/classic.xaml", UriKind.Relative);
this.Resources.MergedDictionaries.Add(Application.LoadComponent(uri) as ResourceDictionary);
}
private void txtBoxGotFocus(object sender, RoutedEventArgs e)
{
Min = "" ;
Max = "" ;
TextBox txtbox = e.Source as TextBox;
this.ListViewControl.SelectedItem = txtbox.DataContext;
//index
int index = this.ListViewControl.Items.IndexOf(this.ListViewControl.SelectedItem);
System.ComponentModel.ICollectionView dataView = CollectionViewSource.GetDefaultView(this.ListViewControl.ItemsSource);
object stCurr = (dataView.CurrentPosition ) ;
//Check if the "data_type" attribute exists
if (((XmlElement)dataView.CurrentItem).Attributes["data_type"] != null)
{
CurrDataType = ((XmlElement)dataView.CurrentItem).Attributes["data_type"].Value;
}
//Check if the "min" attribute exists
if (((XmlElement)dataView.CurrentItem).Attributes["min"] != null)
{
Min = ((XmlElement)dataView.CurrentItem).Attributes["min"].Value;
}
//Check if the "min" attribute exists
if (((XmlElement)dataView.CurrentItem).Attributes["max"] != null)
{
Max = ((XmlElement)dataView.CurrentItem).Attributes["max"].Value;
}
}
#region IConfigDataViewControl Members
public void LoadRootConfigData(string xmlFileName, string xmlFileContent, string xmlXPath)
{
try
{
XmlDocument configFileDoc = new XmlDocument();
configFileDoc.LoadXml(xmlFileContent);
XmlDataProvider xmldp = (XmlDataProvider)this.TryFindResource("dataProvider");
xmldp.Document = configFileDoc;
if (string.IsNullOrEmpty(xmlXPath))
{
xmldp.XPath = @"//node()[1]/node()[@value]";
}
else
{
xmldp.XPath = xmlXPath;
}
Binding bnd = new Binding();
bnd.Source = xmldp;
bnd.Converter = new SortList();
ListViewControl.SetBinding(ItemsControl.ItemsSourceProperty, bnd);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
public void LoadCategoryConfigData(string xmlFile, string xmlFileContent, string CategoryNodeName)
{
try
{
XmlDocument configFileDoc = new XmlDocument();
configFileDoc.LoadXml(xmlFileContent);
XmlDataProvider xmldp = (XmlDataProvider)this.TryFindResource("dataProvider");
xmldp.Document = configFileDoc;
xmldp.XPath = @"//CONTEXT[@id='" + CategoryNodeName + @"']/CONFIGURATION";
Binding bnd = new Binding();
bnd.Source = xmldp;
bnd.Converter = new SortList();
ListViewControl.SetBinding(ItemsControl.ItemsSourceProperty, bnd);
}
catch(Exception ex)
{
MessageBox.Show(ex.Message);
}
}
public void AttachPresenter(ConfigDataViewPresenter cfgpresenter)
{
_presenter = cfgpresenter;
}
#endregion
private void btn_ApplyClick(object sender, RoutedEventArgs e)
{
XmlDataProvider odp = (XmlDataProvider)this.TryFindResource("dataProvider");
XmlDocument configFileDoc = new XmlDocument();
configFileDoc =odp.Document;
_presenter.Save(configFileDoc.InnerXml );
}
}
public class TextBoxMinMaxValidation : ValidationRule
{
public override ValidationResult Validate(object value, System.Globalization.CultureInfo cultureInfo)
{
try
{
//Check for min max string length if it is a "Text" data type
if (ConfigDataView._currDataType.ToLower() == "text")
{
int minLength = Convert.ToInt32(ConfigDataView._min);
int maxLength = Convert.ToInt32(ConfigDataView._max);
int strLength = value.ToString().Length;
bool isValidLength = true;
isValidLength = ((strLength >= minLength) && (strLength <= maxLength));
if (!isValidLength)
{
return new ValidationResult(false, string.Format("The input String Length is out of range. The String Length should be between {0} to {1}", minLength, maxLength));
}
else
{
return new ValidationResult(true, null);
}
}
//Check for min max string length if it is a "Numeric" data type
if (ConfigDataView._currDataType.ToLower() != "numeric")
{
return new ValidationResult(true, null);
}
int min = Convert.ToInt32(ConfigDataView._min);
int max = Convert.ToInt32(ConfigDataView._max);
int res ;
bool isNumber = int.TryParse(value.ToString(), out res);
bool isValidRange = true;
if (!isNumber)
{
return new ValidationResult(false, "The input string is in incorrect format. Should be a Number.");
}
isValidRange = ((res >= min) && (res <= max));
if (!isValidRange)
{
return new ValidationResult(false, string.Format("The input integer is out of range. The number should be between {0} to {1}", min, max));
}
}
catch
{
}
return new ValidationResult(true, null);
}
}
public class ControlTemplateSelector : DataTemplateSelector
{
public const String XML_TAG_DATATYPE = "data_type";
public const String DATATYPE_DROPDOWN = "Dropdown";
public const String DATATYPE_BOOLEAN = "Boolean";
public override DataTemplate SelectTemplate(object item,
DependencyObject container)
{
FrameworkElement window = (container as FrameworkElement);
try
{
XmlNode node = (XmlNode)item;
String dataType = "";
if (node.Attributes[XML_TAG_DATATYPE] != null)
{
dataType = (string)node.Attributes.GetNamedItem(XML_TAG_DATATYPE).Value;
}
if (dataType == DATATYPE_DROPDOWN)
{
return window.FindResource("dropDownTemplate") as DataTemplate;
}
if (dataType == DATATYPE_BOOLEAN)
{
return window.FindResource("booldropDownTemplate") as DataTemplate;
}
}
catch (Exception ex)
{
MessageBox.Show("Select template Exception" + ex.Message );
}
return window.FindResource("textTemplate") as DataTemplate;
}
}
public class boolConverter : IValueConverter
{
public const String XML_TAG_VALUE = "value";
public const String XML_TAG_ID = "id";
public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
Boolean boolVal = false;
try
{
boolVal = System.Convert.ToBoolean(value);
}
catch
{
string strVal = value.ToString();
int iVal = int.Parse(strVal);
boolVal = System.Convert.ToBoolean(iVal);
}
if (boolVal == true)
{
return 1;
}
else
{
return 0;
}
}
public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
Boolean boolVal = false;
try
{
boolVal = System.Convert.ToBoolean(value);
}
catch
{
string strVal = value.ToString();
int iVal = int.Parse(strVal);
boolVal = System.Convert.ToBoolean(iVal);
}
return boolVal;
}
}
public class SortableGridViewColumn : GridViewColumn
{
public string SortPropertyName
{
get { return (string)GetValue(SortPropertyNameProperty); }
set { SetValue(SortPropertyNameProperty, value); }
}
// Using a DependencyProperty as the backing store for SortPropertyName. This enables animation, styling, binding, etc...
public static readonly DependencyProperty SortPropertyNameProperty =
DependencyProperty.Register("SortPropertyName", typeof(string),
typeof(SortableGridViewColumn), new UIPropertyMetadata(""));
public bool IsDefaultSortColumn
{
get { return (bool)GetValue(IsDefaultSortColumnProperty); }
set { SetValue(IsDefaultSortColumnProperty, value); }
}
public static readonly DependencyProperty IsDefaultSortColumnProperty =
DependencyProperty.Register("IsDefaultSortColumn", typeof(bool),
typeof(SortableGridViewColumn), new UIPropertyMetadata(false));
}
public class SortableListView : ListView
{
public SortableListView()
{
// add the event handler to the GridViewColumnHeader. This strongly ties this ListView to a GridView.
this.AddHandler(GridViewColumnHeader.ClickEvent, new RoutedEventHandler(GridViewColumnHeaderClickedHandler));
}
SortableGridViewColumn lastSortedOnColumn = null;
ListSortDirection lastDirection = ListSortDirection.Ascending;
public void Sort(string sortBy, ListSortDirection direction)
{
ICollectionView dataView = CollectionViewSource.GetDefaultView
(this.ItemsSource);
//Check if dataView isn't null
if (dataView != null)
{
dataView.SortDescriptions.Clear();
SortDescription sd1 = new SortDescription("@isenabled", direction);
dataView.SortDescriptions.Add(sd1);
SortDescription sd = new SortDescription(sortBy, direction);
dataView.SortDescriptions.Add(sd);
dataView.Refresh();
}
}
private void GridViewColumnHeaderClickedHandler(object sender, RoutedEventArgs e)
{
GridViewColumnHeader headerClicked = e.OriginalSource as GridViewColumnHeader;
if (headerClicked != null &&
headerClicked.Role != GridViewColumnHeaderRole.Padding)
{
// attempt to cast to the sortableGridViewColumn object.
SortableGridViewColumn sortableGridViewColumn = (headerClicked.Column) as SortableGridViewColumn;
// ensure that the column header is the correct type and a sort property has been set.
if (sortableGridViewColumn != null && !String.IsNullOrEmpty(sortableGridViewColumn.SortPropertyName))
{
ListSortDirection direction;
// determine if this is a new sort, or a switch in sort direction.
if (lastSortedOnColumn == null
|| String.IsNullOrEmpty(lastSortedOnColumn.SortPropertyName)
|| !String.Equals(sortableGridViewColumn.SortPropertyName, lastSortedOnColumn.SortPropertyName, StringComparison.InvariantCultureIgnoreCase))
{
direction = ListSortDirection.Descending;
}
else
{
if (lastDirection == ListSortDirection.Ascending)
{
direction = ListSortDirection.Descending;
}
else
{
direction = ListSortDirection.Ascending;
}
}
// get the sort property name from the column's information.
string sortPropertyName = sortableGridViewColumn.SortPropertyName;
// Sort the data.
Sort(sortPropertyName, direction);
lastSortedOnColumn = sortableGridViewColumn;
lastDirection = direction;
}
}
}
}
public class SortList : IValueConverter
{
public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
//If the value is null tell binding engine to do nothing
if (value == null)
{
return Binding.DoNothing;
}
ListCollectionView view = (ListCollectionView)
CollectionViewSource.GetDefaultView(value);
SortDescription sort_isdisabled =
new SortDescription("@isenabled",
ListSortDirection.Ascending);
view.SortDescriptions.Add(sort_isdisabled);
SortDescription sort_id =
new SortDescription("@id",
ListSortDirection.Ascending);
view.SortDescriptions.Add(sort_id);
return view;
}
public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
return Binding.DoNothing;
}
}
}
XAML 如下：
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:local="clr-namespace:.....MiscellaneousCAESettings"
HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Margin="0,0,0,0" >
<ControlTemplate x:Key="validationTemplate">
<DockPanel>
<TextBlock Foreground="Red" FontSize="20">!</TextBlock>
<AdornedElementPlaceholder/>
</DockPanel>
</ControlTemplate>
<Style x:Key="textBoxInError" TargetType="{x:Type TextBox}">
<Style.Triggers>
<Trigger Property="Validation.HasError" Value="true">
<Setter Property="ToolTip"
Value="{Binding RelativeSource={x:Static RelativeSource.Self},
Path=(Validation.Errors)[0].ErrorContent}"/>
</Trigger>
</Style.Triggers>
</Style>
<DataTemplate x:Key="textTemplate">
<TextBox HorizontalAlignment= "Stretch"
IsEnabled="{Binding XPath=./@isenabled}"
Validation.ErrorTemplate="{StaticResource validationTemplate}"
GotFocus="txtBoxGotFocus"
Style="{StaticResource textBoxInError}">
<TextBox.Text>
<Binding XPath="./@value" UpdateSourceTrigger="PropertyChanged">
<Binding.ValidationRules>
<local:TextBoxMinMaxValidation>
<local:TextBoxMinMaxValidation.DataType>
<local:DataTypeCheck
Datatype="{Binding Source={StaticResource dataProvider}, XPath='/[@id=CustomerServiceQueueName]'}"/>
</local:TextBoxMinMaxValidation.DataType>
<local:TextBoxMinMaxValidation.ValidRange>
<local:Int32RangeChecker
Minimum="{Binding Source={StaticResource dataProvider}, XPath=./@min}"
Maximum="{Binding Source={StaticResource dataProvider}, XPath=./@max}"/>
</local:TextBoxMinMaxValidation.ValidRange>
</local:TextBoxMinMaxValidation>
</Binding.ValidationRules>
</Binding >
</TextBox.Text>
</TextBox>
</DataTemplate>
<DataTemplate x:Key="dropDownTemplate">
<ComboBox Name="cmbBox" HorizontalAlignment="Stretch"
SelectedIndex="{Binding XPath=./@value}"
ItemsSource="{Binding XPath=.//OPTION/@value}"
IsEnabled="{Binding XPath=./@isenabled}"
/>
</DataTemplate>
<DataTemplate x:Key="booldropDownTemplate">
<ComboBox Name="cmbBox" HorizontalAlignment="Stretch"
SelectedIndex="{Binding XPath=./@value, Converter={StaticResource boolconvert}}">
<ComboBoxItem>True</ComboBoxItem>
<ComboBoxItem>False</ComboBoxItem>
</ComboBox>
</DataTemplate>
<local:ControlTemplateSelector
x:Key="myControlTemplateSelector"/>
<Style x:Key="StretchedContainerStyle" TargetType="{x:Type ListViewItem}">
<Setter Property="HorizontalContentAlignment" Value="Stretch" />
<Setter Property="Template" Value="{DynamicResource ListBoxItemControlTemplate1}"/>
</Style>
<ControlTemplate x:Key="ListBoxItemControlTemplate1" TargetType="{x:Type ListBoxItem}">
<Border SnapsToDevicePixels="true" x:Name="Bd" Background="{TemplateBinding Background}" BorderBrush="{DynamicResource {x:Static SystemColors.ActiveBorderBrushKey}}" Padding="{TemplateBinding Padding}" BorderThickness="0,0.5,0,0.5">
<GridViewRowPresenter SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/>
</Border>
</ControlTemplate>
<Style x:Key="CustomHeaderStyle" TargetType="{x:Type GridViewColumnHeader}">
<Setter Property="Background" Value="LightGray" />
<Setter Property="FontWeight" Value="Bold"/>
<Setter Property="FontFamily" Value="Arial"/>
<Setter Property="HorizontalContentAlignment" Value="Left" />
<Setter Property="Padding" Value="2,0,2,0"/>
</Style>
</UserControl.Resources>
<Grid x:Name="GridViewControl" Height="Auto">
<Grid.RowDefinitions>
<RowDefinition Height="*" />
<RowDefinition Height="34"/>
</Grid.RowDefinitions>
<ListView x:Name="ListViewControl" Grid.Row="0" ItemContainerStyle="{DynamicResource StretchedContainerStyle}"
ItemTemplateSelector="{DynamicResource myControlTemplateSelector}"
IsSynchronizedWithCurrentItem="True"
ItemsSource="{Binding Source={StaticResource dataProvider},
XPath=//CONFIGURATION}">
<ListView.View >
<GridView >
<GridViewColumn Header="ID" HeaderContainerStyle="{StaticResource CustomHeaderStyle}" DisplayMemberBinding="{Binding XPath=./@id}"/>
<GridViewColumn Header="VALUE" HeaderContainerStyle="{StaticResource CustomHeaderStyle}" CellTemplateSelector="{DynamicResource myControlTemplateSelector}" />
<GridViewColumn Header="DATATYPE" HeaderContainerStyle="{StaticResource CustomHeaderStyle}" DisplayMemberBinding="{Binding XPath=./@data_type}"/>
<GridViewColumn Header="DESCRIPTION" HeaderContainerStyle="{StaticResource CustomHeaderStyle}"
DisplayMemberBinding="{Binding XPath=./@description}"
Width="{Binding ElementName=ListViewControl, Path=ActualWidth}"/>
</GridView>
</ListView.View>
</ListView>
<StackPanel Grid.Row="1">
<Button Grid.Row="1" HorizontalAlignment="Stretch" Height="34" HorizontalContentAlignment="Stretch" >
<StackPanel HorizontalAlignment="Stretch" VerticalAlignment="Center" Orientation="Horizontal" FlowDirection="RightToLeft" Height="30">
<Button Grid.Row="1" Content ="Apply" Padding="0,0,0,0 " Margin="6,2,0,2" Name="btn_Apply" HorizontalAlignment="Right" VerticalContentAlignment="Center" HorizontalContentAlignment="Center" Width="132" IsTabStop="True" Click="btn_ApplyClick" Height="24" />
</StackPanel >
</Button>
</StackPanel >
</Grid>