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优化更新代码，添加界面功能并整合

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GG Z
2025-02-10 20:53:40 +08:00
parent 83b846f15f
commit 978e03a67f
1389 changed files with 95739 additions and 22200 deletions
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203
WPFluent/Controls/MultiTreeView/MultiTreeView.cs Normal file
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using System;
using System.Collections;
using System.Linq;
using System.Windows.Controls;
namespace WPFluent.Controls;
/// <summary>
/// 多选树形视图控件。
/// </summary>
public sealed class MultiTreeView : System.Windows.Controls.TreeView
{
public static readonly DependencyProperty SelectedItemsProperty =
DependencyProperty.Register(
nameof(SelectedItems),
typeof(IList),
typeof(MultiTreeView),
new PropertyMetadata(null, new PropertyChangedCallback(OnSelectedItemsChanged)));
static MultiTreeView()
{
DefaultStyleKeyProperty.OverrideMetadata(
typeof(MultiTreeView),
new FrameworkPropertyMetadata(typeof(MultiTreeView)));
}
private static void OnSelectedItemsChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
var list = e.NewValue as IList;
//foreach (var item in list)
//{
//}
}
// public static readonly DependencyPropertyKey SelectedItemsPropertyKey =
// DependencyProperty.RegisterReadOnly(
//nameof(SelectedItems),
// typeof(IList),
// typeof(MultiTreeViewItem),
// new FrameworkPropertyMetadata(null)
// );
// public static readonly DependencyProperty SelectedItemsProperty = SelectedItemsPropertyKey.DependencyProperty;
// public IList SelectedItems
// {
// get { return (IList)GetValue(SelectedItemsProperty); }
// private set { SetValue(SelectedItemsPropertyKey, value); }
// }
public IList SelectedItems
{
get { return (IList)GetValue(SelectedItemsProperty); }
set { SetValue(SelectedItemsProperty, value); }
}
#region Event Handlers
/// <summary>
/// 在鼠标按下事件发生时调用。
/// </summary>
//protected override void OnPreviewMouseDown(MouseButtonEventArgs e)
//{
// base.OnPreviewMouseDown(e);
// //// 如果点击树分支expander
// //if (e.OriginalSource is Grid or Border or TextBlock)
// // return;
// var obj = e.OriginalSource as DependencyObject;
// var checkBox = obj.FindParent<CheckBox>();
// if (checkBox != null)
// {
// //当前点击的MultiTreeViewItem
// var currentItem = GetTreeViewItemClicked((FrameworkElement)e.OriginalSource);
// if (currentItem != null)
// {
// SelectedItems = GetTreeViewItems(this, true).Where(d => d.IsChecked == true).ToList();
// }
// }
//}
#endregion Event Handlers
#region Utility Methods
#region 重写
///// <summary>
///// 准备项的容器
///// </summary>
///// <param name="element">控件元素</param>
///// <param name="item">绑定的对象</param>
//protected override void PrepareContainerForItemOverride(DependencyObject element, object item)
//{
// if (item is not MultiTreeViewItem)
// {
// if (element is MultiTreeViewItem multiTreeViewItem && !string.IsNullOrEmpty(this.DisplayMemberPath))
// {
// var binding = new Binding(this.DisplayMemberPath);
// multiTreeViewItem.SetBinding(MultiTreeViewItem.HeaderProperty, binding);
// }
// }
// base.PrepareContainerForItemOverride(element, item);
//}
/// <summary>
/// 获取项的容器。
/// </summary>
protected override DependencyObject GetContainerForItemOverride() { return new MultiTreeViewItem(); }
/// <summary>
/// 确定项是否是其自己的容器。
/// </summary>
protected override bool IsItemItsOwnContainerOverride(object item)
{
return item is MultiTreeViewItem;
}
#endregion
/// <summary>
/// 获取当前被点击的MultiTreeViewItem。
/// </summary>
private static MultiTreeViewItem? GetTreeViewItemClicked(DependencyObject sender)
{
while(sender is not null and not MultiTreeViewItem)
sender = VisualTreeHelper.GetParent(sender);
return sender as MultiTreeViewItem;
}
/// <summary>
/// 获取树形视图的所有展开的项。
/// </summary>
private List<MultiTreeViewItem> GetTreeViewItems(
ItemsControl parentItem,
bool includeCollapsedItems,
List<MultiTreeViewItem>? itemList = null)
{
itemList ??= [];
for(var index = 0; index < parentItem.Items.Count; index++)
{
if(parentItem.ItemContainerGenerator.ContainerFromIndex(index) is not MultiTreeViewItem tvItem)
{
continue;
}
itemList.Add(tvItem);
if(includeCollapsedItems || tvItem.IsExpanded)
{
GetTreeViewItems(tvItem, includeCollapsedItems, itemList);
}
}
return itemList;
}
internal void NotifyMultiTreeViewItemClicked(MultiTreeViewItem multiTreeViewItem)
{
var selectedItems = GetTreeViewItems(this, true).Where(d => d.IsChecked == true);
if(ItemsSource == null)
{
SelectedItems = selectedItems.ToList();
}
else
{
//选择绑定的对象
SelectedItems = selectedItems.Select(d => d.DataContext).ToList();
}
}
///// <summary>
///// 获取两个树形视图项之间的所有项。
///// </summary>
//private List<MultiTreeViewItem> GetTreeViewItemRange(MultiTreeViewItem start, MultiTreeViewItem end)
//{
// var items = GetTreeViewItems(this, false);
// var startIndex = items.IndexOf(start);
// var endIndex = items.IndexOf(end);
// var rangeStart = startIndex > endIndex || startIndex == -1 ? endIndex : startIndex;
// var rangeCount = startIndex > endIndex ? startIndex - endIndex + 1 : endIndex - startIndex + 1;
// if (startIndex == -1 && endIndex == -1)
// rangeCount = 0;
// else if (startIndex == -1 || endIndex == -1)
// rangeCount = 1;
// return rangeCount > 0 ? items.GetRange(rangeStart, rangeCount) : new List<MultiTreeViewItem>();
//}
#endregion Utility Methods
/// <summary>
/// 初始化 MultiTreeView 类的新实例。
/// </summary>
//public MultiTreeView()
//{
//SelectedItemChanged += (sender, e) =>
//{
// if (e.NewValue is MultiTreeViewItem item)
// SelectedItemChangedInternal(item);
//};
//}
}

201
WPFluent/Controls/MultiTreeView/MultiTreeView.xaml Normal file
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<ResourceDictionary
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:controls="clr-namespace:WPFluent.Controls">
<!-- 合并其他的资源字典 -->
<ResourceDictionary.MergedDictionaries>
<ResourceDictionary Source="pack://application:,,,/WPFluent;component/Controls/TreeView/TreeViewItem.xaml" />
</ResourceDictionary.MergedDictionaries>
<!-- 定义MultiTreeViewItem的样式 -->
<Style x:Key="DefaultMultiTreeViewItemStyle" TargetType="{x:Type controls:MultiTreeViewItem}">
<!-- 设置前景色、背景色、边框圆角、字体大小等属性 -->
<Setter Property="Foreground" Value="{DynamicResource TreeViewItemForeground}" />
<Setter Property="Background" Value="{DynamicResource TreeViewItemBackground}" />
<Setter Property="Padding" Value="4" />
<Setter Property="Border.CornerRadius" Value="{DynamicResource ControlCornerRadius}" />
<Setter Property="FontSize" Value="{StaticResource TreeViewItemFontSize}" />
<!-- 设置焦点样式、是否对设备像素进行对齐、是否是Tab停止点、是否覆盖默认样式等属性 -->
<Setter Property="FrameworkElement.FocusVisualStyle" Value="{DynamicResource DefaultControlFocusVisualStyle}" />
<Setter Property="UIElement.SnapsToDevicePixels" Value="True" />
<Setter Property="IsTabStop" Value="True" />
<Setter Property="FrameworkElement.OverridesDefaultStyle" Value="True" />
<!-- 定义模板 -->
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type controls:MultiTreeViewItem}">
<!-- 定义网格布局 -->
<Grid Background="{TemplateBinding Background}">
<!-- 定义列和行 -->
<Grid.RowDefinitions>
<RowDefinition Height="Auto" />
<RowDefinition Height="Auto" />
</Grid.RowDefinitions>
<!-- 定义边框，包含一个可展开/折叠的切换按钮、一个复选框和一个内容呈现器 -->
<Border
x:Name="Border"
Padding="{TemplateBinding Padding}"
HorizontalAlignment="Stretch"
Background="{TemplateBinding Background}"
BorderBrush="{TemplateBinding BorderBrush}"
BorderThickness="{TemplateBinding BorderThickness}"
CornerRadius="{TemplateBinding Border.CornerRadius}"
SnapsToDevicePixels="True">
<Grid>
<Grid.ColumnDefinitions>
<!-- 缩进 -->
<ColumnDefinition Width="19" />
<ColumnDefinition Width="Auto" />
<ColumnDefinition Width="Auto" />
<ColumnDefinition Width="*" />
</Grid.ColumnDefinitions>
<CheckBox
x:Name="SelectionBox"
Grid.Column="1"
IsChecked="{Binding IsChecked, Mode=TwoWay, RelativeSource={RelativeSource TemplatedParent}}" />
<ToggleButton
x:Name="Expander"
Grid.Column="2"
ClickMode="Press"
IsChecked="{Binding IsExpanded, RelativeSource={RelativeSource TemplatedParent}}"
Style="{StaticResource ExpandCollapseToggleButtonStyle}" />
<ContentPresenter
Name="PART_Header"
Grid.Column="3"
Margin="{TemplateBinding Padding}"
HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
VerticalAlignment="Center"
ContentSource="Header"
TextElement.FontSize="{TemplateBinding FontSize}" />
</Grid>
</Border>
<!-- 定义子项的呈现器 -->
<Grid Grid.Row="1">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="19" />
<ColumnDefinition Width="Auto" />
<ColumnDefinition Width="Auto" />
<ColumnDefinition Width="*" />
</Grid.ColumnDefinitions>
<ItemsPresenter
Name="ItemsHost"
Grid.Column="1"
Grid.ColumnSpan="4"
HorizontalAlignment="Stretch"
Visibility="Collapsed" />
</Grid>
</Grid>
<!-- 定义触发器，用于改变在特定条件下的视觉效果 -->
<ControlTemplate.Triggers>
<Trigger Property="IsExpanded" Value="True">
<Setter TargetName="ItemsHost" Property="Visibility" Value="Visible" />
</Trigger>
<Trigger Property="HasItems" Value="False">
<Setter TargetName="Expander" Property="Visibility" Value="Hidden" />
</Trigger>
<Trigger Property="UIElement.IsMouseOver" Value="True">
<Setter TargetName="Border" Property="Background" Value="{DynamicResource TreeViewItemBackgroundPointerOver}" />
</Trigger>
<!--<Trigger Property="exc:MultiTreeView.IsItemSelected" Value="true">-->
<Trigger Property="IsChecked" Value="true">
<Setter TargetName="Border" Property="Background" Value="{DynamicResource TreeViewItemBackgroundSelected}" />
</Trigger>
<Trigger Property="IsChecked" Value="True">
<Setter TargetName="Border" Property="Background" Value="{DynamicResource TreeViewItemBackgroundSelected}" />
</Trigger>
<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>
<Trigger Property="IsEnabled" Value="false">
<Setter Property="Foreground" Value="{DynamicResource ControlFillColorDisabledBrush}" />
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
<!-- 定义样式触发器，用于改变在特定条件下的样式 -->
<Style.Triggers>
<Trigger Property="VirtualizingPanel.IsVirtualizing" Value="true">
<Setter Property="ItemsPanel">
<Setter.Value>
<ItemsPanelTemplate>
<VirtualizingStackPanel />
</ItemsPanelTemplate>
</Setter.Value>
</Setter>
</Trigger>
</Style.Triggers>
</Style>
<!-- 定义MultiTreeView的样式 -->
<Style x:Key="DefaultMultiTreeViewStyle" TargetType="{x:Type controls:MultiTreeView}">
<!-- 定义样式触发器，用于改变在特定条件下的样式 -->
<Style.Triggers>
<Trigger Property="VirtualizingPanel.IsVirtualizing" Value="True">
<Setter Property="ItemsPanel">
<Setter.Value>
<ItemsPanelTemplate>
<VirtualizingStackPanel />
</ItemsPanelTemplate>
</Setter.Value>
</Setter>
</Trigger>
</Style.Triggers>
<!-- 设置前景色、背景色、边框颜色、边距、填充、边框厚度等属性 -->
<Setter Property="FrameworkElement.FocusVisualStyle" Value="{x:Null}" />
<Setter Property="Foreground" Value="{DynamicResource TreeViewItemForeground}" />
<Setter Property="Background" Value="Transparent" />
<Setter Property="BorderBrush" Value="Transparent" />
<Setter Property="Margin" Value="0" />
<Setter Property="Padding" Value="0" />
<Setter Property="BorderThickness" Value="1" />
<!-- 设置滚动条的可见性和内容滚动的能力 -->
<Setter Property="ScrollViewer.HorizontalScrollBarVisibility" Value="Auto" />
<Setter Property="ScrollViewer.VerticalScrollBarVisibility" Value="Auto" />
<Setter Property="ScrollViewer.CanContentScroll" Value="True" />
<!-- 设置是否覆盖默认样式、是否对设备像素进行对齐等属性 -->
<Setter Property="FrameworkElement.OverridesDefaultStyle" Value="True" />
<Setter Property="UIElement.SnapsToDevicePixels" Value="True" />
<!-- 定义模板 -->
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type controls:MultiTreeView}">
<!-- 定义触发器，用于改变在特定条件下的视觉效果 -->
<ControlTemplate.Triggers>
<Trigger Property="VirtualizingPanel.IsVirtualizing" Value="True">
<Setter TargetName="ItemsPresenterScrollViewer" Property="ScrollViewer.CanContentScroll" Value="True" />
</Trigger>
</ControlTemplate.Triggers>
<!-- 定义边框，包含一个滚动视图，滚动视图中包含了所有的树视图项 -->
<Border
Name="Border"
Padding="0"
Background="{TemplateBinding Background}"
BorderBrush="{TemplateBinding BorderBrush}"
BorderThickness="{TemplateBinding BorderThickness}"
CornerRadius="4">
<controls:PassiveScrollViewer
Name="ItemsPresenterScrollViewer"
HorizontalScrollBarVisibility="{TemplateBinding ScrollViewer.HorizontalScrollBarVisibility}"
ScrollViewer.CanContentScroll="False"
VerticalScrollBarVisibility="{TemplateBinding ScrollViewer.VerticalScrollBarVisibility}">
<ItemsPresenter Margin="{TemplateBinding Padding}" />
</controls:PassiveScrollViewer>
</Border>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
<Style BasedOn="{StaticResource DefaultMultiTreeViewItemStyle}" TargetType="{x:Type controls:MultiTreeViewItem}" />
<!-- 基于DefaultMultiTreeViewStyle的样式，应用于MultiTreeView -->
<Style BasedOn="{StaticResource DefaultMultiTreeViewStyle}" TargetType="{x:Type controls:MultiTreeView}" />
</ResourceDictionary>

83
WPFluent/Controls/MultiTreeView/MultiTreeViewItem.cs Normal file
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using WPFluent.Extensions;
using System;
using System.Linq;
namespace WPFluent.Controls;
public class MultiTreeViewItem : System.Windows.Controls.TreeViewItem
{
public static readonly DependencyProperty IsCheckedProperty =
DependencyProperty.Register(
nameof(IsChecked),
typeof(bool?),
typeof(MultiTreeViewItem),
new PropertyMetadata(false, new PropertyChangedCallback(OnIsCheckedChanged)));
static MultiTreeViewItem()
{
DefaultStyleKeyProperty.OverrideMetadata(
typeof(MultiTreeViewItem),
new FrameworkPropertyMetadata(typeof(MultiTreeViewItem)));
IsExpandedProperty.OverrideMetadata(typeof(MultiTreeViewItem), new FrameworkPropertyMetadata(true));
}
private static void OnIsCheckedChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
var currentChildren = d.FindVisualChildren<MultiTreeViewItem>();
if(e.NewValue == e.OldValue)
{
return;
}
if(d is MultiTreeViewItem currentItem)
{
currentItem?.ParentMultiTreeView?.NotifyMultiTreeViewItemClicked(currentItem);
foreach(var item in currentItem.FindVisualChildren<MultiTreeViewItem>())
{
if(e.NewValue != null)
{
item.IsChecked = (bool)e.NewValue;
}
}
}
var parent = d.FindParent<MultiTreeViewItem>();
if(parent != null)
{
var children = parent.FindVisualChildren<MultiTreeViewItem>();
if(children.All(d => d.IsChecked == true))
{
parent.IsChecked = true;
}
else
{
parent.IsChecked = children.All(d => d.IsChecked == false) ? false : null;
}
}
}
private MultiTreeView ParentMultiTreeView
{
//get { return ItemsControl.ItemsControlFromItemContainer(this) as MultiTreeView; }
get { return this.FindParent<MultiTreeView>(); }
}
/// <summary>
/// 获取项的容器。
/// </summary>
protected override DependencyObject GetContainerForItemOverride() { return new MultiTreeViewItem(); }
/// <summary>
/// 确定项是否是其自己的容器。
/// </summary>
protected override bool IsItemItsOwnContainerOverride(object item) { return item is MultiTreeViewItem; }
public bool? IsChecked
{
get { return (bool?)GetValue(IsCheckedProperty); }
set { SetValue(IsCheckedProperty, value); }
}
}