Class NaturalSortComparer

Provides a string comparer wich is generally usable on all DataGridTextColumns.
The bound value must be a string.

Inheritance
System.Object
System.Windows.Markup.MarkupExtension
NaturalSortComparer
Implements
System.Collections.IComparer
System.Collections.Generic.IComparer<System.Object>
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.ToString()
Namespace: Sartorius.SAF.Presentation.Markup
Assembly: Sartorius.SAF.Presentation.dll
Syntax
public class NaturalSortComparer : MarkupExtension, IListSortComparer, IComparer, IComparer<object>
Remarks

A list of strings: "a3", "a1", "a10", "a12", "a2", "a11", is sorted to: "a1", "a2", "a3", "a11", "a12", "a13". Traditionally the default string comparer sort it to: "a1", "a11", "a12", "a13", "a2", "a3"

Examples
 

<DataGrid SAF:AttachedProperties.AllowCustomSort="True">
    <DataGridTextColumn
            Header="Name"
            Binding="{Binding Name}" 
            SAF:AttachedProperties.CustomSortComparer="{SAF:NaturalSortComparer}"/>
</DataGrid>
 

<DataGrid SAF:AttachedProperties.AllowCustomSort="True">
    <DataGridTextColumn
            Header="Name"
            Binding="{Binding Unit.Name}" 
            SAF:AttachedProperties.CustomSortComparer="{SAF:NaturalSortComparer ColumnPropertyPath=Unit.Name}"/>
</DataGrid>

Constructors

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NaturalSortComparer()

Initializes a new instance of the NaturalSortComparer class.

Declaration
public NaturalSortComparer()
View Source

NaturalSortComparer(String)

Initializes a new instance of the NaturalSortComparer class.

Declaration
public NaturalSortComparer(string columnPropertyPath)
Parameters
Type Name Description
System.String columnPropertyPath

The column property path.

Properties

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ColumnPropertyPath

Gets or sets the column property path.

Declaration
public string ColumnPropertyPath { get; set; }
Property Value
Type Description
System.String
View Source

SortDirection

Gets or sets the sort direction.

Declaration
public ListSortDirection SortDirection { get; set; }
Property Value
Type Description
System.ComponentModel.ListSortDirection

Methods

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Compare(Object, Object)

Compares two objects and returns a value indicating whether one is less than, equal to, or greater than the other.

Declaration
public virtual int Compare(object x, object y)
Parameters
Type Name Description
System.Object x

The first object to compare.
System.Object y

The second object to compare.
Returns
Type Description
System.Int32

A signed integer that indicates the relative values of x and y, as shown in the following table.Value Meaning Less than zero x is less than y. Zero x equals y. Greater than zero x is greater than y.
View Source

ProvideValue(IServiceProvider)

Provides the value.

Declaration
public override object ProvideValue(IServiceProvider serviceProvider)
Parameters
Type Name Description
System.IServiceProvider serviceProvider

The service provider.
Returns
Type Description
System.Object
Overrides
System.Windows.Markup.MarkupExtension.ProvideValue(System.IServiceProvider)

Implements

System.Collections.IComparer
System.Collections.Generic.IComparer<T>

Extension Methods