Font Colour based on Value

[James]

I currently have a Loop going through a cube which returns the name (Caption) of its items.
However as this is an OLAP cube I want to distinguish between user defined and attribute hierarchies. I thought the best way to do this would be to give each one a different color (so give User Defined Hierarchies a blue font and Attribute Hierarchies a red font for example).

I thought this would be simple but the method I tried below threw alot of errors, while other methods turned all of the items a particular colour rather than just the items I wanted.

Has anyone got an idea of how I could change an items colour depending on its value??


Window1.xaml.cs

foreach (Hierarchy hierarchy in dimension.Hierarchies)

                {

                    Dimension HierarchyItem = new Dimension();

                    HierarchyItem.Caption = hierarchy.Caption;

                    DimensionItem.SubDimensions.Add(HierarchyItem);

                    HierarchyItem.IsDraggable = true;

              

if (HierarchyItem.Caption == "Account Number")

                        HierarchyItem.Caption = Brushes.Red)

                        else if (HierarchyItem.Caption == "Customer Number")

                        HierarchyItem.Caption = Brushes.Blue)

[Miroslav]

Hello James,

You can have an observable Brush property on your business class, say

public Brush TitleBrush { ... }

Then in the TreeView's ItemTemplate (the HierarchicalDataTemplate) you can bind the Foreground of the TextBlock there to this property:

Foreground="{Binding TileBrush}"

Does this work for you?

All the best,
Miroslav
the Telerik team

[James]

Nearly, but I still get an error.....

HierarchyItem.TitleBrush.Add(TitleBrush)

I am still trying to get the colour of the text to change depending on its text value (Caption) but it tells me that I cannot convert the observable collection to media brush. 

Am I just missing something simple?? 

Regards
James


Window1.xaml

<Window.Resources>
<HierarchicalDataTemplate x:Key="ColorTemplate" ItemsSource ="{Binding TitleBrush}">
<TextBlock Foreground="{Binding TitleBrush}"/>
</HierarchicalDataTemplate>
</Window.Resources>

Cube.cs

public class Dimension

    {

        private string _caption;

        private string _uniqueName;

 

        public Dimension()

        {      

            this.TitleBrush = new ObservableCollection<TitleBrush>();

        }

    

        public ObservableCollection<TitleBrush> TitleBrush

        {

            get;

            set;

        }

public class TitleBrush

    {

        private object _brush;

        public object Brush

        {

            get { return _brush; }

            set { _brush = value; }

        }

    }

Window1.xaml.cs


foreach (Hierarchy hierarchy in dimension.Hierarchies)

               {

                   Dimension HierarchyItem = new Dimension();

                   HierarchyItem.Caption = hierarchy.Caption;

                   HierarchyItem.UniqueName = hierarchy.UniqueName;

                   DimensionItem.SubDimensions.Add(HierarchyItem);

                   HierarchyItem.IsDraggable = true;

                    

                 if (HierarchyItem.Caption == "Account Number")

                 {

        ObservableCollection<Brush> TitleBrush = new ObservableCollection<Brush>();

                TitleBrush.Add(Brushes.Crimson);

                HierarchyItem.TitleBrush.Add(TitleBrush);

                   }

               dimensionRoot.SubDimensions.Add(DimensionItem);

 

           }

 

           treeCube.Items.Add(dimensionRoot);

[Tina Stancheva]

Hi James,

I prepared a sample project implementing Miro's suggestion. Can you take a look at it and let me know if it works for you or if your scenario requires a different approach.

Regards,
Tina Stancheva
the Telerik team

[James]

Hi Tina,

Yes that project can be modified to suit my needs.
Thanks for the help

James