Class TreeGridFilterControl

Represents a control that contains the details about how to filter the data in SfTreeGrid by using the filter popup in TreeGridFilterControl.

Inheritance

System.Object

TreeGridFilterControl

Implements

System.IDisposable

System.ComponentModel.INotifyPropertyChanged

Namespace: Syncfusion.UI.Xaml.TreeGrid.Filtering

Assembly: Syncfusion.Grid.WinUI.dll

Syntax

public class TreeGridFilterControl : ContentControl, IDisposable, INotifyPropertyChanged

Constructors

TreeGridFilterControl()

Initializes a new instance of the TreeGridFilterControl class.

Declaration

public TreeGridFilterControl()

Fields

AdvancedFilterStyleProperty

. Identifies the AdvancedFilterStyle dependency property.

Declaration

public static readonly DependencyProperty AdvancedFilterStyleProperty

Field Value

Type	Description
Microsoft.UI.Xaml.DependencyProperty

Remarks

The identifier for the AdvancedFilterStyle dependency property.

AllowBlankFiltersProperty

Identifies the AllowBlankFilters dependency property.

Declaration

public static readonly DependencyProperty AllowBlankFiltersProperty

Field Value

Type	Description
Microsoft.UI.Xaml.DependencyProperty

Remarks

The identifier for the AllowBlankFilters dependency property.

AscendingSortStringProperty

Identifies the AscendingSortString dependency property.

Declaration

public static readonly DependencyProperty AscendingSortStringProperty

Field Value

Type	Description
Microsoft.UI.Xaml.DependencyProperty

Remarks

The identifier for the AscendingSortString dependency property.

CheckBoxFilterStyleProperty

Identifies the CheckBoxFilterStyle dependency property.

Declaration

public static readonly DependencyProperty CheckBoxFilterStyleProperty

Field Value

Type	Description
Microsoft.UI.Xaml.DependencyProperty

Remarks

The identifier for the dependency property.

DescendingSortStringProperty

Identifies the DescendingSortString dependency property.

Declaration

public static readonly DependencyProperty DescendingSortStringProperty

Field Value

Type	Description
Microsoft.UI.Xaml.DependencyProperty

Remarks

The identifier for the DescendingSortString dependency property.

FilterColumnTypeProperty

Identifies the FilterColumnType dependency property.

Declaration

public static readonly DependencyProperty FilterColumnTypeProperty

Field Value

Type	Description
Microsoft.UI.Xaml.DependencyProperty

Remarks

The identifier for the FilterColumnType dependency property.

FilteredFromProperty

Identifies the FilteredFrom dependency property.

Declaration

public static readonly DependencyProperty FilteredFromProperty

Field Value

Type	Description
Microsoft.UI.Xaml.DependencyProperty

Remarks

The identifier for the FilteredFrom dependency property.

FilterModeProperty

Identifies the FilterMode dependency property.

Declaration

public static readonly DependencyProperty FilterModeProperty

Field Value

Type	Description
Microsoft.UI.Xaml.DependencyProperty

Remarks

The identifier for the FilterMode dependency property.

FilterPopupHeightProperty

Identifies the FilterPopupHeight dependency property.

Declaration

public static readonly DependencyProperty FilterPopupHeightProperty

Field Value

Type	Description
Microsoft.UI.Xaml.DependencyProperty

Remarks

The identifier for the FilterPopupHeight dependency property.

FilterPopupWidthProperty

Identifies the FilterPopupWidth dependency property.

Declaration

public static readonly DependencyProperty FilterPopupWidthProperty

Field Value

Type	Description
Microsoft.UI.Xaml.DependencyProperty

Remarks

The identifier for the dependency property.

HorizontalOffsetProperty

Identifies the HorizontalOffset dependency property.

Declaration

public static readonly DependencyProperty HorizontalOffsetProperty

Field Value

Type	Description
Microsoft.UI.Xaml.DependencyProperty

Remarks

The identifier for the HorizontalOffset dependency property.

ImmediateUpdateColumnFilterProperty

Identifies the ImmediateUpdateColumnFilter dependency property.

Declaration

public static readonly DependencyProperty ImmediateUpdateColumnFilterProperty

Field Value

Type	Description
Microsoft.UI.Xaml.DependencyProperty

Remarks

The identifier for the ImmediateUpdateColumnFilter dependency property.

IsAdvancedFilterVisibleProperty

Identifies the IsAdvancedFilterVisible dependency property.

Declaration

public static readonly DependencyProperty IsAdvancedFilterVisibleProperty

Field Value

Type	Description
Microsoft.UI.Xaml.DependencyProperty

Remarks

The identifier for the IsAdvancedFilterVisible dependency property.

IsOpenProperty

Identifies the IsOpen dependency property.

Declaration

public static readonly DependencyProperty IsOpenProperty

Field Value

Type	Description
Microsoft.UI.Xaml.DependencyProperty

ResizingThumbVisibilityProperty

Identifies the ResizingThumbVisibility dependency property.

Declaration

public static readonly DependencyProperty ResizingThumbVisibilityProperty

Field Value

Type	Description
Microsoft.UI.Xaml.DependencyProperty

Remarks

The identifier for the ResizingThumbVisibility dependency property.

SortOptionVisibilityProperty

Identifies the SortOptionVisibility dependency property.

Declaration

public static readonly DependencyProperty SortOptionVisibilityProperty

Field Value

Type	Description
Microsoft.UI.Xaml.DependencyProperty

Remarks

The identifier for the SortOptionVisibility dependency property.

VerticalOffsetProperty

Identifies the VerticalOffset dependency property.

Declaration

public static readonly DependencyProperty VerticalOffsetProperty

Field Value

Type	Description
Microsoft.UI.Xaml.DependencyProperty

Remarks

The identifier for the VerticalOffset dependency property.

Properties

AdvancedFilterStyle

Gets or sets the style that is applied to the TreeGridAdvancedFilterControl.

Declaration

public Style AdvancedFilterStyle { get; set; }

Property Value

Type	Description
Microsoft.UI.Xaml.Style	The style which is applied to the TreeGridAdvancedFilterControl.The default value is null.

Remarks

To define the Microsoft.UI.Xaml.Style for an AdvancedFilter, then you should specify the TargetType as TreeGridAdvancedFilterControl.

Examples

<Grid.Resources>
    <Style x:Key="advancedfilterstyleforEmployeeID" BasedOn="{StaticResource AdvancedFilterControlStyle}" TargetType="treeGrid:TreeGridAdvancedFilterControl">
        <Setter Property="CanGenerateUniqueItems" Value="False" />
    </Style>
    <Style x:Key="popupstyleforEmployeeID" BasedOn="{StaticResource GridFilterControlStyle}" TargetType="treeGrid:TreeGridFilterControl">
        <Setter Property="FilterMode" Value="Both" />
        <Setter Property="AdvancedFilterStyle" Value="{StaticResource advancedfilterstyleforEmployeeID}" />
    </Style>
</Grid.Resources>
  <treeGrid:SfTreeGrid Name="sfTreeGrid" ChildPropertyName="ReportsTo" AutoGenerateColumns="False" ItemsSource="{Binding Employees}" ParentPropertyName="ID" SelfRelationRootValue="-1" >                   
       <treeGrid:SfTreeGrid.Columns>
            <treeGrid:TreeGridTextColumn MappingName="EmployeeID" HeaderText="Employee ID" FilterPopupStyle="{StaticResource popupstyleforEmployeeID}" AllowFiltering="True"/>
       </treeGrid:SfTreeGrid.Columns>
  </treeGrid:SfTreeGrid>

AdvancedFilterType

Gets or sets which type of AdvancedFilter is loaded to the TreeGridFilterControl.

Declaration

public AdvancedFilterType AdvancedFilterType { get; set; }

Property Value

Type	Description
AdvancedFilterType	One of the AdvancedFilterType enumeration that specifies which Advanced filter type needs to be loaded. The default value is TextFilter.

AllowBlankFilters

Gets or sets a value indicating whether to allow the blank filters.

Declaration

public bool AllowBlankFilters { get; set; }

Property Value

Type	Description
System.Boolean	The default value is true.

Remarks

In TreeGridCheckBoxFilterControl you can filter the null values by using the Blanks checkbox. You can filter the Null and NotNull values from the underlying data source by using this property in TreeGridAdvancedFilterControl.

AscendingSortString

Gets or sets the text content to the AscendingSortButton in TreeGridFilterControl.

Declaration

public string AscendingSortString { get; set; }

Property Value

Type	Description
System.String	A string that specifies the AscendingSortString of TreeGridFilterControl. The default value is string.Empty.

Remarks

The value of AscendingSortString is updated from GridLocalizationResources by using the key SortStringAscending.

Examples

this.treeGrid.FilterItemsPopulating += treeGrid_FilterItemsPopulating;

void treeGrid_FilterItemsPopulating(object sender, Syncfusion.UI.Xaml.Grid.TreeGridFilterItemsPopulatingEventArgs e)
{
     if (e.Column.MappingName == "OrderID")
     {
        e.FilterControl.AscendingSortString = GridLocalizationResourceAccessor.Instance.GetLocalizedStringResource("SortStringAscending");
        e.FilterControl.DescendingSortString = GridLocalizationResourceAccessor.Instance.GetLocalizedStringResource("SortStringDescending"); 
     }
}

CheckBoxFilterStyle

Gets or sets the style that is applied to the TreeGridCheckBoxFilterControl.

Declaration

public Style CheckBoxFilterStyle { get; set; }

Property Value

Type	Description
Microsoft.UI.Xaml.Style	The style which is applied to the TreeGridCheckBoxFilterControl. The default value is null.

Remarks

To define a Microsoft.UI.Xaml.Style for a CheckboxFilter, specify a TargetType of TreeGridCheckBoxFilterControl.

Examples

<Grid.Resources>
    <Style x:Key="checkboxfilterstyleforEmployeeID" BasedOn="{StaticResource CheckboxFilterControlStyle}" TargetType="treeGrid:TreeGridCheckBoxFilterControl">
        <Setter Property="Background" Value="Red" />
    </Style>
    <Style x:Key="popupstyleforEmployeeID" BasedOn="{StaticResource GridFilterControlStyle}" TargetType="treeGrid:TreeGridFilterControl">
        <Setter Property="CheckboxFilterStyle" Value="{StaticResource checkboxfilterstyleforEmployeeID}" />
    </Style>
</Grid.Resources>
  <treeGrid:SfTreeGrid Name="sfTreeGrid" ChildPropertyName="ReportsTo" AutoGenerateColumns="False" ItemsSource="{Binding Employees}" ParentPropertyName="ID" SelfRelationRootValue="-1" >                   
       <treeGrid:SfTreeGrid.Columns>
        <treeGrid:TreeGridTextColumn MappingName = "EmployeeID" FilterPopupStyle="{StaticResource popupstyleforEmployeeID}" AllowFiltering="True"/>
    </treeGrid:SfTreeGrid.Columns>
</treeGrid:SfTreeGrid>

Column

Gets or sets the column.

Declaration

public TreeGridColumn Column { get; set; }

Property Value

Type	Description
TreeGridColumn

DescendingSortString

Gets or sets the text content to the DescendingSortButton in TreeGridFilterControl.

Declaration

public string DescendingSortString { get; set; }

Property Value

Type	Description
System.String	A string that specifies DescendingSortString of TreeGridFilterControl. The default value is string.Empty.

Remarks

The value of DescendingSortString is updated from GridLocalizationResources by using the key SortStringDescending.

FilterColumnType

Gets or sets a value that indicates the FilterColumnType in TreeGridFilterControl.Which is used to show the text content of the AdvancedFilterButton in TreeGridFilterControl.

Declaration

public string FilterColumnType { get; set; }

Property Value

Type	Description
System.String	FilterColumnType is used to show which type of AdvancedFilter is loaded in TreeGridFilterControl.The default value of FilterColumnType is TextFilters.

Remarks

Whenever the AdvancedFilterType property is changed at that time the FilterColumnType is also gets updated to show the AdvancedFilterType text in AdvancedFilterButton.

FilteredFrom

Gets or sets a value that indicates whether the column is filtered from CheckboxFilter or AdvancedFilter or FilterRow.

Declaration

public FilteredFrom FilteredFrom { get; set; }

Property Value

Type	Description
FilteredFrom	One of the FilteredFrom enumeration that specifies the FilteredFrom. The default value of filtered from is None.

FilterMode

Gets or sets a value that specifies the FilterMode in TreeGridFilterControl.

Declaration

public FilterMode FilterMode { get; set; }

Property Value

Type	Description
FilterMode	One of the FilterMode enumeration that specifies the FilterMode in SfTreeGrid. The default value of the filter mode is Both.

Examples

<Grid.Resources>
    <Style TargetType="treeGrid:TreeGridFilterControl" x:Key="gridFilterControlStyle">
        <Setter Property="FilterMode" Value="AdvancedFilter"/>
    </Style>
</Grid.Resources>
<treeGrid:SfTreeGrid x:Name="sfTreeGrid"
                     FilterPopupStyle="{StaticResource  gridFilterControlStyle}"                
                     ItemsSource="{Binding Employees}"/>

FilterPopupHeight

Gets or sets the height for the filter popup.

Declaration

public double FilterPopupHeight { get; set; }

Property Value

Type	Description
System.Double	The default value is 450.00d

Examples

<Grid.Resources>
    <Style TargetType="treeGrid:TreeGridFilterControl" x:Key="gridFilterControlStyle">
        <Setter Property="FilterPopupHeight" Value="300"/>
        <Setter Property="FilterPopupWidth" Value="250"/>
    </Style>
</Grid.Resources>
<treeGrid:SfTreeGrid x:Name="sfTreeGrid"
                     FilterPopupStyle="{StaticResource  gridFilterControlStyle}"                
                     ItemsSource="{Binding Employees}"/>

FilterPopupWidth

Gets or sets width for filter popup.

Declaration

public double FilterPopupWidth { get; set; }

Property Value

Type	Description
System.Double	The default value is 300.00d

Examples

<Grid.Resources>
    <Style TargetType="treeGrid:TreeGridFilterControl" x:Key="gridFilterControlStyle">
        <Setter Property="FilterPopupHeight" Value="300"/>
        <Setter Property="FilterPopupWidth" Value="250"/>
    </Style>
</Grid.Resources>
<treeGrid:SfTreeGrid x:Name="sfTreeGrid"
                     FilterPopupStyle="{StaticResource  gridFilterControlStyle}"                
                     ItemsSource="{Binding Employees}"/>

HorizontalOffset

Gets or sets HorizontalOffset for the filter popup.

Declaration

public double HorizontalOffset { get; set; }

Property Value

Type	Description
System.Double	The default value is 0d

ImmediateUpdateColumnFilter

Gets or sets a value that indicates the ImmediateUpdateColumnFilter.

Declaration

public bool ImmediateUpdateColumnFilter { get; set; }

Property Value

Type	Description
System.Boolean	The default value is false.

Remarks

You can filter the data immediately from the filter popup. For example you can filter the data from TreeGridCheckBoxFilterControl by check and uncheck the checkbox items. And DoneButton will be shown instead of OkButton,CancelButton in the filter popup while enable the ImmediateUpdateColumnFilter.

IsAdvancedFilterVisible

Gets or sets a value that indicates whether the AdvancedFilter is visible or not.

Declaration

public bool IsAdvancedFilterVisible { get; set; }

Property Value

Type	Description
System.Boolean	true if AdvancedFilter is visible; otherwise,false. The default value is false.

IsOpen

Gets or sets a value that indicates whether the filter popup is opened or not.

Declaration

public bool IsOpen { get; set; }

Property Value

Type	Description
System.Boolean	true if the filter popup is opened; otherwise, false. The default value is false.

ResizingThumbVisibility

Gets or sets a value that indicates the ResizingThumb Visibility.

Declaration

public Visibility ResizingThumbVisibility { get; set; }

Property Value

Type	Description
Microsoft.UI.Xaml.Visibility	One of the Microsoft.UI.Xaml.Visibility enumeration that specifies the visibility of ResizingThumb. The default value of ResizingThumb Visibility is Microsoft.UI.Xaml.Visibility.Visible.

SortOptionVisibility

Declaration

public Visibility SortOptionVisibility { get; set; }

Property Value

Type	Description
Microsoft.UI.Xaml.Visibility

VerticalOffset

Gets or sets the VerticalOffset for filter popup.

Declaration

public double VerticalOffset { get; set; }

Property Value

Type	Description
System.Double	The default value is 0d

Methods

Dispose()

Disposes all the resources used by the TreeGridFilterControl class.

Declaration

public void Dispose()

Dispose(Boolean)

Disposes all the resources used by the TreeGridFilterControl class.

Declaration

protected virtual void Dispose(bool isDisposing)

Parameters

Type	Name	Description
System.Boolean	isDisposing	Indicates whether the call is from Dispose method or from a finalizer.

GetFormattedString(Object)

Gets the formatted string for the actual value of the corresponding record in the filter column.

Declaration

public string GetFormattedString(object item)

Parameters

Type	Name	Description
System.Object	item	Which holds the actual value of the corresponding record in the filter column.

Returns

Type	Description
System.String	Returns the formatted string for the actual value of the corresponding record in the filter column.

OnApplyTemplate()

Builds the visual tree for the TreeGridFilterControl when a new template is applied.

Declaration

protected override void OnApplyTemplate()

OnKeyDown(KeyRoutedEventArgs)

Called before the KeyDown event occurs.

Declaration

protected override void OnKeyDown(KeyRoutedEventArgs e)

Parameters

Type	Name	Description
Microsoft.UI.Xaml.Input.KeyRoutedEventArgs	e	Microsoft.UI.Xaml.Input.KeyRoutedEventArgs instance that contains event data.

OnPointerMoved(PointerRoutedEventArgs)

Called before the PointerMoved event occurs.

Declaration

protected override void OnPointerMoved(PointerRoutedEventArgs e)

Parameters

Type	Name	Description
Microsoft.UI.Xaml.Input.PointerRoutedEventArgs	e	instance that contains event data.

Events

PropertyChanged

Occurs when a property value changes.

Declaration

public event PropertyChangedEventHandler PropertyChanged

Event Type

Type	Description
System.ComponentModel.PropertyChangedEventHandler

Implements

System.IDisposable

System.ComponentModel.INotifyPropertyChanged