You can use a DataTemplateSelector
to dynamically select the DataTemplate
based on the data bound to your properties:
Sample code:
public class ImgStringTemplateSelector : DataTemplateSelector
{
public DataTemplate ImageTemplate { get; set; }
public DataTemplate StringTemplate { get; set; }
public override DataTemplate SelectTemplate(object item,
DependencyObject container)
{
String path = (string)item;
String ext = System.IO.Path.GetExtension(path);
if (System.IO.File.Exists(path) && ext == ".jpg")
return ImageTemplate;
return StringTemplate;
}
}
<Window.Resources>
<local:RelativeToAbsolutePathConverter x:Key="relToAbsPathConverter" />
<DataTemplate x:Key="stringTemplate">
<TextBlock Text="{Binding}"/>
</DataTemplate>
<DataTemplate x:Key="imageTemplate">
<Image Source="{Binding Converter={StaticResource relToAbsPathConverter}}"
Stretch="UniformToFill" Width="200"/>
</DataTemplate>
<local:ImgStringTemplateSelector
ImageTemplate="{StaticResource imageTemplate}"
StringTemplate="{StaticResource stringTemplate}"
x:Key="imgStringTemplateSelector" />
</Window.Resources>
<Grid>
<ListView ScrollViewer.CanContentScroll="False"
ItemsSource="{Binding ElementName=This, Path=PathCollection}"
ItemTemplateSelector="{StaticResource imgStringTemplateSelector}">
</ListView>
</Grid>
</Window>