public void ControlWithExistingBindingOnItemsSourceWithNullValueThrows()
{
var control = new ItemsControl();
Binding binding = new Binding("Enumerable");
binding.Source = new SimpleModel() { Enumerable = null };
control.SetBinding(ItemsControl.ItemsSourceProperty, binding);
IRegionAdapter adapter = new TestableItemsControlRegionAdapter();
try
{
var region = (MockPresentationRegion)adapter.Initialize(control, "Region1");
Assert.Fail();
}
catch (Exception ex)
{
Assert.IsInstanceOfType(ex, typeof(InvalidOperationException));
StringAssert.Contains(ex.Message, "ItemsControl's ItemsSource property is not empty.");
}
}
/// <summary>
/// Creates a sequence of checkboxes.
/// </summary>
/// <param name="property">The property.</param>
/// <returns>
/// A FrameworkElement.
/// </returns>
protected virtual FrameworkElement CreateCheckableItems(PropertyItem property)
{
var lb = new ItemsControl();
var rectangleFactory = new FrameworkElementFactory(typeof(CheckBox));
rectangleFactory.SetBinding(ToggleButton.IsCheckedProperty, new Binding(property.CheckableItemsIsCheckedPropertyName));
rectangleFactory.SetBinding(ContentControl.ContentProperty, new Binding(property.CheckableItemsContentPropertyName));
lb.ItemTemplate = new DataTemplate { VisualTree = rectangleFactory };
lb.SetBinding(ItemsControl.ItemsSourceProperty, property.CreateBinding());
lb.Margin = new Thickness(0, 6, 0, 6);
return lb;
}
public PluginBase()
{
// Any inputs the plugin may have
Inputs = new ObservableDictionary<string, InputSignalViewModel>();
// Create style resources with the correct 5px margin
Style ButtonStyle = new Style(typeof(Button), (Style)FindResource(typeof(Button)));
ButtonStyle.Setters.Add(new Setter(Button.MarginProperty, new Thickness(5)));
// StackPanel that holds our signal sources
OutputsStackPanel = new StackPanel();
// "Signal Source Mapping" title textblock
TextBlock signalSourceViewTitle = new TextBlock();
signalSourceViewTitle.Text = "Signal Output Mapping";
signalSourceViewTitle.Style = (Style)Application.Current.Resources["Title"];
OutputsStackPanel.Children.Add(signalSourceViewTitle);
// ObservableDictionary to hold all of the signal sources that our plugin might have
Outputs = new ObservableDictionary<string, OutputSignalViewModel>();
// GUI element to display all of the items properly using a SignalSourceView
ItemsControl SignalSourceControl = new ItemsControl();
DataTemplate signalDataTemplate = CreateTemplate(typeof(OutputSignalViewModel), typeof(SignalSourceView));
var key = signalDataTemplate.DataTemplateKey;
if(Application.Current.Resources[key] == null)
Application.Current.Resources.Add(key, signalDataTemplate);
SignalSourceControl.SetBinding(ItemsControl.ItemsSourceProperty, "Outputs.Values");
OutputsStackPanel.Children.Add(SignalSourceControl);
// Set the plugin datacontext to itself -- we assume we're not doing separate view models.
this.DataContext = this;
MainArea = new StackPanel();
SetCurrentValue(PluginContentProperty, new StackPanel());
// [Plugin Name] Configuration title textblock
TextBlock title = new TextBlock();
title.SetBinding(TextBlock.TextProperty, "DisplayTitle");
title.Style = (Style)Application.Current.Resources["Title"];
ModernButton infoButton = new ModernButton();
var streamGeometry = StreamGeometry.Parse("F1 M 38,19C 48.4934,19 57,27.5066 57,38C 57,48.4934 48.4934,57 38,57C 27.5066,57 19,48.4934 19,38C 19,27.5066 27.5066,19 38,19 Z M 33.25,33.25L 33.25,36.4167L 36.4166,36.4167L 36.4166,47.5L 33.25,47.5L 33.25,50.6667L 44.3333,50.6667L 44.3333,47.5L 41.1666,47.5L 41.1666,36.4167L 41.1666,33.25L 33.25,33.25 Z M 38.7917,25.3333C 37.48,25.3333 36.4167,26.3967 36.4167,27.7083C 36.4167,29.02 37.48,30.0833 38.7917,30.0833C 40.1033,30.0833 41.1667,29.02 41.1667,27.7083C 41.1667,26.3967 40.1033,25.3333 38.7917,25.3333 Z ");
infoButton.IconData = streamGeometry;
infoButton.Command = ToggleInfoCommand;
InfoTextBlock = new TextBlock();
//InfoTextBlock.SetBinding(TextBox.TextProperty, "InfoString");
// InfoTextBlock.Text = "Info...";
InfoTextBlock.Visibility = Visibility.Collapsed;
InfoTextBlock.TextWrapping = TextWrapping.Wrap;
Binding infoBinding = new Binding();
infoBinding.Path = new PropertyPath("InfoString");
BindingOperations.SetBinding(InfoTextBlock, TextBlock.TextProperty, infoBinding);
UniformGrid grid1 = new UniformGrid();
grid1.Columns = 2;
grid1.Children.Add(title);
grid1.Children.Add(infoButton);
// Instance name GUI stuff
UniformGrid grid2 = new UniformGrid();
TextBlock InstanceNameLabel = new TextBlock();
InstanceNameLabel.Text = "Instance Name";
TextBox InstanceNameBox = new TextBox();
Binding binding = new Binding();
binding.Path = new PropertyPath("InstanceName");
InstanceNameBox.SetBinding(TextBox.TextProperty, binding);
grid2.Columns = 2;
grid2.Children.Add(InstanceNameLabel);
grid2.Children.Add(InstanceNameBox);
MainArea.Children.Add(grid1);
MainArea.Children.Add(InfoTextBlock);
MainArea.Children.Add(grid2);
this.Initialized += PluginBase_Initialized;
}