Wpf 如何将动态创建的复选框绑定到LiveCharts中动态创建的系列?
我有一个活页图表,正在为列表中的每个项目创建复选框。此列表还包含liveCharts中每个系列的数据。如何将动态创建的复选框与数据中的每个LiveCharts.LineSeries绑定 我已经创建了复选框:Wpf 如何将动态创建的复选框绑定到LiveCharts中动态创建的系列?,wpf,checkbox,dynamic,livecharts,Wpf,Checkbox,Dynamic,Livecharts,我有一个活页图表,正在为列表中的每个项目创建复选框。此列表还包含liveCharts中每个系列的数据。如何将动态创建的复选框与数据中的每个LiveCharts.LineSeries绑定 我已经创建了复选框: <!-- Creating checkboxes by binding to list --> <ListView ItemsSource="{Binding ElementItemList}" ScrollViewer.HorizontalScrollBarVisibi
<!-- Creating checkboxes by binding to list -->
<ListView ItemsSource="{Binding ElementItemList}"
ScrollViewer.HorizontalScrollBarVisibility="Disabled" Width="600">
<ListView.ItemsPanel>
<ItemsPanelTemplate>
<WrapPanel />
</ItemsPanelTemplate>
</ListView.ItemsPanel>
<ListBox.ItemTemplate>
<DataTemplate>
<StackPanel Orientation="Horizontal">
<TextBlock Text="{Binding Path=ElementName}" />
<CheckBox IsChecked="{Binding Path=ElementIsSelected}"/>
</StackPanel>
</DataTemplate>
</ListBox.ItemTemplate>
</ListView>
<!-- Display the chart -->
<Grid Grid.Row="1" x:Name="TestGrid"></Grid>
因此我假设您希望在
系列集合中有一个复选框
来表示每个系列
因此,我将有两个public
属性,一个用于SeriesCollection
,另一个用于复选框的列表
public SeriesCollection SeriesCollection { get; set; }
public List<CheckBox> CheckBoxCollection { get; set; }
在我的例子中,我决定在单击复选框时使相应的序列可见/隐藏,因此我的check/uncheck方法如下所示:
private void DynamicCheckBoxChecked(object sender, EventArgs e)
{
ShowHideSeries(sender, Visibility.Visible);
}
private void DynamicCheckBoxUnchecked(object sender, EventArgs e)
{
ShowHideSeries(sender, Visibility.Collapsed);
}
private void ShowHideSeries(object sender, Visibility visibility)
{
var checkBox = (CheckBox)sender;
var found = SeriesCollection.FirstOrDefault(x => x.Title == checkBox.Name);
if (found != null)
{
var series = (LineSeries)found;
series.Visibility = visibility;
}
}
public MainWindow()
{
InitializeComponent();
DynamicallyCreateStuff();
DataContext = this;
}
为了节省时间和简单起见,我没有使用ViewModel
,因此我的MainWindow
构造函数如下所示:
private void DynamicCheckBoxChecked(object sender, EventArgs e)
{
ShowHideSeries(sender, Visibility.Visible);
}
private void DynamicCheckBoxUnchecked(object sender, EventArgs e)
{
ShowHideSeries(sender, Visibility.Collapsed);
}
private void ShowHideSeries(object sender, Visibility visibility)
{
var checkBox = (CheckBox)sender;
var found = SeriesCollection.FirstOrDefault(x => x.Title == checkBox.Name);
if (found != null)
{
var series = (LineSeries)found;
series.Visibility = visibility;
}
}
public MainWindow()
{
InitializeComponent();
DynamicallyCreateStuff();
DataContext = this;
}
而XAML
在这里是非常简单的:
<Window x:Class="SOLineCharts.MainWindow"
....
xmlns:lvc="clr-namespace:LiveCharts.Wpf;assembly=LiveCharts.Wpf"
mc:Ignorable="d"
WindowStartupLocation="CenterScreen"
Title="MainWindow" Height="450" Width="800">
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="Auto"/>
<ColumnDefinition/>
</Grid.ColumnDefinitions>
<ItemsControl Grid.Column="0"
ItemsSource="{Binding CheckBoxCollection}">
<ItemsControl.ItemsPanel>
<ItemsPanelTemplate>
<WrapPanel Orientation="Vertical" ScrollViewer.HorizontalScrollBarVisibility="Disabled"/>
</ItemsPanelTemplate>
</ItemsControl.ItemsPanel>
</ItemsControl>
<lvc:CartesianChart Series="{Binding SeriesCollection}" Grid.Column="1"/>
</Grid>
</Window>
结果:
装载时:
取消选中一个复选框: