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WPF 自定义列表筛选 自定义TreeView模板 自定义ListBox模板

时间:2016-09-09 00:55:39      阅读:286      评论:0      收藏:0      [点我收藏+]

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有很多项目,都有数据筛选的操作。下面提供一个案例,给大家做参考。

技术分享

左侧是数据源,搜索框加TreeView控件,右侧是ListBox控件。在左侧数据列点击添加数据,然后点击确定,得到所筛选的数据。

下面直接看代码吧,比较好理解~

筛选控件做成用户控件,当然也可以直接放在主界面,如果不复用的话。数据源都是固定的,实际用的话,新建个ViewModel将数据源绑定就行了。

1、筛选控件界面:  

技术分享
<UserControl x:Class="WpfApplication17.SelectControl"
                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"
                xmlns:wpfApplication17="clr-namespace:WpfApplication17"
                mc:Ignorable="d" 
                d:DesignHeight="400" d:DesignWidth="412" Background="LightSkyBlue">
    <UserControl.Resources>
        <ImageBrush x:Key="ImageBrushAddBlue" ImageSource="AddGreen.png"></ImageBrush>
        <ImageBrush x:Key="ImageBrushAddGray" ImageSource="AddGray.png"></ImageBrush>
        <Style x:Key="ScrollBarPageButton" TargetType="{x:Type RepeatButton}">
            <Setter Property="SnapsToDevicePixels" Value="True" />
            <Setter Property="OverridesDefaultStyle" Value="true" />
            <Setter Property="IsTabStop" Value="false" />
            <Setter Property="Focusable" Value="false" />
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="{x:Type RepeatButton}">
                        <Border Background="Transparent" />
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>

        <Style x:Key="ScrollBarThumb" TargetType="{x:Type Thumb}">
            <Setter Property="SnapsToDevicePixels" Value="True" />
            <Setter Property="OverridesDefaultStyle" Value="true" />
            <Setter Property="IsTabStop" Value="false" />
            <Setter Property="Focusable" Value="false" />
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="{x:Type Thumb}">
                        <Border CornerRadius="2" Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="1" />
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>

        <ControlTemplate x:Key="VerticalScrollBar" TargetType="{x:Type ScrollBar}">
            <Grid>
                <Border CornerRadius="2" Width="0.5" Background="#FF046BFF" />
                <Track x:Name="PART_Track" IsDirectionReversed="true">
                    <Track.DecreaseRepeatButton>
                        <RepeatButton Style="{StaticResource ScrollBarPageButton}" Command="ScrollBar.PageUpCommand" />
                    </Track.DecreaseRepeatButton>
                    <Track.Thumb>
                        <Thumb Style="{StaticResource ScrollBarThumb}" Margin="4,0,4,0" Background="DodgerBlue"></Thumb>
                    </Track.Thumb>
                    <Track.IncreaseRepeatButton>
                        <RepeatButton Style="{StaticResource ScrollBarPageButton}" Command="ScrollBar.PageDownCommand" />
                    </Track.IncreaseRepeatButton>
                </Track>
            </Grid>
        </ControlTemplate>

        <ControlTemplate x:Key="ScrollViewerControlTemplate1" TargetType="{x:Type ScrollViewer}">
            <Grid x:Name="Grid" Background="{TemplateBinding Background}">
                <Grid.ColumnDefinitions>
                    <ColumnDefinition Width="*"/>
                    <ColumnDefinition Width="Auto"/>
                </Grid.ColumnDefinitions>
                <Grid.RowDefinitions>
                    <RowDefinition Height="*"/>
                    <RowDefinition Height="Auto"/>
                </Grid.RowDefinitions>
                <Rectangle x:Name="Corner" Grid.Column="1" Fill="{DynamicResource {x:Static SystemColors.ControlBrushKey}}" Grid.Row="1"/>
                <ScrollContentPresenter x:Name="PART_ScrollContentPresenter" CanContentScroll="{TemplateBinding CanContentScroll}" CanHorizontallyScroll="False" CanVerticallyScroll="False" ContentTemplate="{TemplateBinding ContentTemplate}" Content="{TemplateBinding Content}" Grid.Column="0" Margin="{TemplateBinding Padding}" Grid.Row="0"/>
                <ScrollBar x:Name="PART_VerticalScrollBar" AutomationProperties.AutomationId="VerticalScrollBar" Cursor="Arrow" Grid.Column="1" 
                            Maximum="{TemplateBinding ScrollableHeight}" Minimum="0" Grid.Row="0" Visibility="{TemplateBinding ComputedVerticalScrollBarVisibility}" 
                            Value="{Binding VerticalOffset, Mode=OneWay, RelativeSource={RelativeSource TemplatedParent}}" ViewportSize="{TemplateBinding ViewportHeight}" 
                            Template="{StaticResource VerticalScrollBar}"/>
                <ScrollBar x:Name="PART_HorizontalScrollBar" AutomationProperties.AutomationId="HorizontalScrollBar" Cursor="Arrow" Grid.Column="0" Maximum="{TemplateBinding ScrollableWidth}" Minimum="0" Orientation="Horizontal" Grid.Row="1" Visibility="{TemplateBinding ComputedHorizontalScrollBarVisibility}" Value="{Binding HorizontalOffset, Mode=OneWay, RelativeSource={RelativeSource TemplatedParent}}" ViewportSize="{TemplateBinding ViewportWidth}"/>
            </Grid>
        </ControlTemplate>
        <!--对象树子模板-->
        <DataTemplate x:Key="TreeItemTemplate" DataType="TreeViewItem">
            <Grid Margin="50,0,0,0" Height="28">
                <Grid.ColumnDefinitions>
                    <ColumnDefinition Width="*"></ColumnDefinition>
                    <ColumnDefinition Width="30"></ColumnDefinition>
                </Grid.ColumnDefinitions>
                <TextBlock Text="{Binding Name}" Foreground="White" FontSize="15" VerticalAlignment="Center" HorizontalAlignment="Left" Margin="10,0"/>
                <Button x:Name="BtnAdd" Grid.Column="1" Background="Transparent" VerticalAlignment="Center" HorizontalAlignment="Center" Click="BtnAdd_OnClick">
                    <Button.Template>
                        <ControlTemplate TargetType="Button">
                            <Grid>
                                <Rectangle x:Name="BtnRetangle" Height="20" Width="20" Stroke="Transparent" StrokeThickness="1" 
                                           VerticalAlignment="Center" HorizontalAlignment="Center">
                                </Rectangle>
                                <ContentPresenter VerticalAlignment="Center" HorizontalAlignment="Center" Content="{TemplateBinding Content}"></ContentPresenter>
                            </Grid>
                            <ControlTemplate.Triggers>
                                <Trigger Property="IsMouseOver" Value="True">
                                    <Setter TargetName="BtnRetangle" Property="Height" Value="22"></Setter>
                                    <Setter TargetName="BtnRetangle" Property="Width" Value="22"></Setter>
                                </Trigger>
                                <DataTrigger Binding="{Binding IsChecked}" Value="true">
                                    <Setter TargetName="BtnRetangle" Property="Fill" Value="{StaticResource ImageBrushAddGray}"></Setter>
                                    <Setter Property="ToolTip" Value="已添加"></Setter>
                                </DataTrigger>
                                <DataTrigger Binding="{Binding IsChecked}" Value="false">
                                    <Setter TargetName="BtnRetangle" Property="Fill" Value="{StaticResource ImageBrushAddBlue}"></Setter>
                                    <Setter Property="ToolTip" Value="添加"></Setter>
                                </DataTrigger>
                            </ControlTemplate.Triggers>
                        </ControlTemplate>
                    </Button.Template>
                </Button>
            </Grid>
        </DataTemplate>

        <Style TargetType="TreeViewItem">
            <Setter Property="Background" Value="Transparent" />
            <Setter Property="IsExpanded" Value="True"></Setter>
            <Setter Property="HeaderTemplate">
                <Setter.Value>
                    <HierarchicalDataTemplate ItemsSource="{Binding TreeViewItems,Mode=TwoWay}" ItemTemplate="{StaticResource TreeItemTemplate}">
                        <StackPanel Orientation="Horizontal" Height="28" VerticalAlignment="Center" HorizontalAlignment="Left">
                            <Image Source="folder.png" VerticalAlignment="Center" Height="17" Margin="10,0"/>
                            <TextBlock Text="{Binding Name}" Margin="5,0,0,0" FontSize="15" VerticalAlignment="Center" Foreground="White"/>
                        </StackPanel>
                    </HierarchicalDataTemplate>
                </Setter.Value>
            </Setter>
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="{x:Type TreeViewItem}">
                        <Grid>
                            <Grid.ColumnDefinitions>
                                <ColumnDefinition Width="Auto" />
                                <ColumnDefinition Width="*" />
                            </Grid.ColumnDefinitions>
                            <Grid.RowDefinitions>
                                <RowDefinition Height="Auto" />
                                <RowDefinition />
                            </Grid.RowDefinitions>
                            <VisualStateManager.VisualStateGroups>
                                <VisualStateGroup x:Name="SelectionStates">
                                    <VisualState x:Name="Selected">
                                        <Storyboard>
                                            <ColorAnimationUsingKeyFrames Storyboard.TargetName="Bd" Storyboard.TargetProperty="(Panel.Background).(SolidColorBrush.Color)" >
                                                <EasingColorKeyFrame KeyTime="0" Value="Transparent" />
                                            </ColorAnimationUsingKeyFrames>
                                        </Storyboard>
                                    </VisualState>

                                    <VisualState x:Name="Unselected" />
                                    <VisualState x:Name="SelectedInactive">
                                        <Storyboard>
                                            <ColorAnimationUsingKeyFrames Storyboard.TargetName="Bd" Storyboard.TargetProperty="(Panel.Background).(SolidColorBrush.Color)">
                                                <EasingColorKeyFrame KeyTime="0" Value="Transparent" />
                                            </ColorAnimationUsingKeyFrames>
                                        </Storyboard>
                                    </VisualState>
                                </VisualStateGroup>
                                <VisualStateGroup x:Name="ExpansionStates">
                                    <VisualState x:Name="Expanded">
                                        <Storyboard>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.Visibility)" Storyboard.TargetName="ItemsHost">
                                                <DiscreteObjectKeyFrame KeyTime="0" Value="{x:Static Visibility.Visible}" />
                                            </ObjectAnimationUsingKeyFrames>
                                        </Storyboard>
                                    </VisualState>
                                    <VisualState x:Name="Collapsed" />
                                </VisualStateGroup>
                            </VisualStateManager.VisualStateGroups>
                            <Border x:Name="Bd" Grid.Column="0" Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Padding="{TemplateBinding Padding}">
                                <ContentPresenter x:Name="PART_Header" ContentSource="Header" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"/>
                            </Border>
                            <ItemsPresenter x:Name="ItemsHost" Grid.Row="1" Grid.Column="0" Grid.ColumnSpan="2" Visibility="Collapsed" />
                        </Grid>
                        <ControlTemplate.Triggers>
                            <MultiTrigger>
                                <MultiTrigger.Conditions>
                                    <Condition Property="HasHeader" Value="false" />
                                    <Condition Property="Width" Value="Auto" />
                                </MultiTrigger.Conditions>
                                <Setter TargetName="PART_Header" Property="MinWidth" Value="75" />
                            </MultiTrigger>
                            <MultiTrigger>
                                <MultiTrigger.Conditions>
                                    <Condition Property="HasHeader" Value="false" />
                                    <Condition Property="Height" Value="Auto" />
                                </MultiTrigger.Conditions>
                                <Setter TargetName="PART_Header" Property="MinHeight" Value="19" />
                            </MultiTrigger>
                        </ControlTemplate.Triggers>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>

        <Style x:Key="ItemContainer" TargetType="{x:Type ListBoxItem}">
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="{x:Type ListBoxItem}">
                        <Border x:Name="IconBorder" Background="Transparent" CornerRadius="4" BorderThickness="0">
                            <ContentPresenter />
                        </Border>
                        <ControlTemplate.Triggers>
                            <Trigger Property="IsSelected" Value="true">
                                <Setter TargetName="IconBorder" Property="BitmapEffect">
                                    <Setter.Value>
                                        <OuterGlowBitmapEffect GlowColor="Transparent" GlowSize="5" />
                                    </Setter.Value>
                                </Setter>
                            </Trigger>
                        </ControlTemplate.Triggers>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>
    </UserControl.Resources>
    <Grid>
        <Grid.ColumnDefinitions>
            <ColumnDefinition></ColumnDefinition>
            <ColumnDefinition></ColumnDefinition>
        </Grid.ColumnDefinitions>
        <!--待选择列表-->
        <Grid>
            <Grid.RowDefinitions>
                <RowDefinition Height="40"></RowDefinition>
                <RowDefinition ></RowDefinition>
            </Grid.RowDefinitions>
            <wpfApplication17:SearchControl x:Name="BtnSearch" Margin="30,0,10,0" VerticalAlignment="Center" HorizontalAlignment="Left" OnSearch="BtnSearch_OnOnSearch"></wpfApplication17:SearchControl>
            <ScrollViewer Grid.Row="1" Margin="20,0,0,0" Template="{StaticResource ScrollViewerControlTemplate1}" CanContentScroll="True">
                <TreeView x:Name="MyTreeView" ScrollViewer.VerticalScrollBarVisibility="Disabled" HorizontalAlignment="Stretch" Background="Transparent" BorderBrush="Transparent"></TreeView>
            </ScrollViewer>
        </Grid>
        <!--已选择列表-->
        <Grid Grid.Column="1">
            <Grid.RowDefinitions>
                <RowDefinition Height="40"></RowDefinition>
                <RowDefinition Height="*"></RowDefinition>
            </Grid.RowDefinitions>
            <TextBlock Text="已选择列表" Foreground="White" FontSize="15" VerticalAlignment="Center" Margin="10"></TextBlock>
            <ListBox x:Name="RightListBox" Grid.Row="1" HorizontalAlignment="Right" Margin="50,0" Background="Transparent" ItemContainerStyle="{StaticResource ItemContainer}" FocusVisualStyle="{x:Null}">
                <ListBox.Template>
                    <ControlTemplate>
                        <StackPanel Background="Transparent" IsItemsHost="True"></StackPanel>
                    </ControlTemplate>
                </ListBox.Template>
                <ListBox.ItemTemplate>
                    <DataTemplate>
                        <Grid Height="28">
                            <Grid.ColumnDefinitions>
                                <ColumnDefinition Width="*"></ColumnDefinition>
                                <ColumnDefinition Width="40"></ColumnDefinition>
                            </Grid.ColumnDefinitions>
                            <TextBlock Text="{Binding Name}" Foreground="White" FontSize="15" VerticalAlignment="Center" HorizontalAlignment="Center"/>
                            <Button x:Name="BtnDelete" Grid.Column="1" Background="Transparent" ToolTip="移除" VerticalAlignment="Center" HorizontalAlignment="Center" Click="BtnRemove_OnClick">
                                <Button.Template>
                                    <ControlTemplate TargetType="Button">
                                        <Grid>
                                            <Rectangle x:Name="BtnRetangle" Height="17" Width="17" Stroke="Transparent" StrokeThickness="1" VerticalAlignment="Center" HorizontalAlignment="Center">
                                                <Rectangle.Fill>
                                                    <ImageBrush ImageSource="Delete.png"></ImageBrush>
                                                </Rectangle.Fill>
                                            </Rectangle>
                                            <ContentPresenter VerticalAlignment="Center" HorizontalAlignment="Center" Content="{TemplateBinding Content}"></ContentPresenter>
                                        </Grid>
                                        <ControlTemplate.Triggers>
                                            <Trigger Property="IsMouseOver" Value="True">
                                                <Setter TargetName="BtnRetangle" Property="Height" Value="19"></Setter>
                                                <Setter TargetName="BtnRetangle" Property="Width" Value="19"></Setter>
                                            </Trigger>
                                        </ControlTemplate.Triggers>
                                    </ControlTemplate>
                                </Button.Template>
                            </Button>
                        </Grid>
                    </DataTemplate>
                </ListBox.ItemTemplate>
            </ListBox>
        </Grid>
    </Grid>
</UserControl>
View Code

2、后台:

技术分享
public partial class SelectControl : UserControl
    {
        private List<TreeViewModel> ItemSoure { get; set; }
        public SelectControl()
        {
            InitializeComponent();
            ItemSoure = new List<TreeViewModel>() { new TreeViewModel()
                {
                    Name = "前端设计",
                    TreeViewItems = new List<TreeViewModel>()
                    {
                        new TreeViewModel(){Name = "Html/Css/Js"},
                        new TreeViewModel(){Name = "WPF"},
                        new TreeViewModel(){Name = "Winform"},
                        new TreeViewModel(){Name = "Webform"},
                        new TreeViewModel(){Name = "U3D"},
                    }
                },
                new TreeViewModel()
                {
                    Name = "后台语言",
                    TreeViewItems = new List<TreeViewModel>()
                    {
                        new TreeViewModel(){Name = "C#"},
                         new TreeViewModel(){Name = "VB.Net"},
                        new TreeViewModel(){Name = "Java"},
                        new TreeViewModel(){Name = "PHP"},
                        new TreeViewModel(){Name = "C"},
                        new TreeViewModel(){Name = "Python"},
                        new TreeViewModel(){Name = "C++"},
                        new TreeViewModel(){Name = "Ruby"},
                    }
                },new TreeViewModel()
                {
                    Name = "数据库",
                    TreeViewItems = new List<TreeViewModel>()
                    {
                        new TreeViewModel(){Name = "SqlServer"},
                         new TreeViewModel(){Name = "MySql"},
                        new TreeViewModel(){Name = "Oracle"},
                        new TreeViewModel(){Name = "SqlLite"},
                        new TreeViewModel(){Name = "MongoDB"},
                        new TreeViewModel(){Name = "PLSql"},
                    }
                }
            };
            MyTreeView.ItemsSource = ItemSoure;
            RightListBox.ItemsSource = null;
            RightListBox.ItemsSource = new List<TreeViewModel>();
        }

        /// <summary>
        /// 选择
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void BtnAdd_OnClick(object sender, RoutedEventArgs e)
        {
            Button button = sender as Button;
            var viewModel = button.DataContext as TreeViewModel;
            if (!viewModel.IsChecked)
            {
                viewModel.IsChecked = true;
                var selectList = RightListBox.ItemsSource as List<TreeViewModel>;
                selectList.Add(viewModel);
                RightListBox.ItemsSource = null;
                RightListBox.ItemsSource = selectList;
            }
        }
        /// <summary>
        /// 移除
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void BtnRemove_OnClick(object sender, RoutedEventArgs e)
        {
            Button button = sender as Button;
            var viewModel = button.DataContext as TreeViewModel;
            viewModel.IsChecked = false;
            var selectList = RightListBox.ItemsSource as List<TreeViewModel>;
            selectList.Remove(viewModel);
            RightListBox.ItemsSource = null;
            RightListBox.ItemsSource = selectList;
        }
        /// <summary>
        /// 搜索
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void BtnSearch_OnOnSearch(object sender, SearchEventArgs e)
        {
            string serachText=e.SearchText;
            var items=new List<TreeViewModel>();
            if (string.IsNullOrWhiteSpace(serachText))
            {
                MyTreeView.ItemsSource = ItemSoure;
                return;
            }
            foreach (var item in ItemSoure)
            {
                var childrenItems=item.TreeViewItems.Where(o => o.Name.Contains(serachText)).ToList();
                if (childrenItems.Count>0)
                {
                    var parentItem=new TreeViewModel(){Name = item.Name};
                    parentItem.TreeViewItems = childrenItems;
                    items.Add(parentItem);
                }
            }
            MyTreeView.ItemsSource = items;
        }
    }

    public class TreeViewModel : INotifyPropertyChanged
    {
        public string Name { get; set; }

        private bool _isChecked = false;
        public bool IsChecked
        {
            get { return _isChecked; }
            set
            {
                _isChecked = value;
                if (this.PropertyChanged != null)
                {
                    this.PropertyChanged.Invoke(this, new PropertyChangedEventArgs("IsChecked"));
                }
            }
        }

        public List<TreeViewModel> TreeViewItems { get; set; }

        public event PropertyChangedEventHandler PropertyChanged;

        [NotifyPropertyChangedInvocator]
        protected virtual void OnPropertyChanged([CallerMemberName] string propertyName = null)
        {
            PropertyChangedEventHandler handler = PropertyChanged;
            if (handler != null) handler(this, new PropertyChangedEventArgs(propertyName));
        }

    }
View Code

 

GitHub下载此案例Demo:https://github.com/Kybs0/DataSelectControlDemo

此案例中图标,推荐个图标下载网站:http://www.easyicon.net/

 

WPF 自定义列表筛选 自定义TreeView模板 自定义ListBox模板

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原文地址:http://www.cnblogs.com/kybs0/p/5837928.html

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