public void First_Item_Should_Be_Selected_When_Added()
{
var items = new PerspexList<string>();
var target = new TestSelector
{
Items = items,
Template = Template(),
};
target.ApplyTemplate();
items.Add("foo");
Assert.Equal(0, target.SelectedIndex);
Assert.Equal("foo", target.SelectedItem);
}
public void First_Item_Should_Be_Selected_When_Added()
{
var items = new PerspexList <string>();
var target = new TestSelector
{
Items = items,
Template = Template(),
};
target.ApplyTemplate();
items.Add("foo");
Assert.Equal(0, target.SelectedIndex);
Assert.Equal("foo", target.SelectedItem);
}
public void First_Item_Should_Be_Selected_When_Added()
{
var items = new PerspexList<string>();
var target = new SelectingItemsControl
{
AutoSelect = true,
Items = items,
Template = this.Template(),
};
target.ApplyTemplate();
items.Add("foo");
Assert.Equal(0, target.SelectedIndex);
Assert.Equal("foo", target.SelectedItem);
}
public void Adding_Items_Should_Fire_LogicalChildren_CollectionChanged()
{
var target = new ItemsControl();
var items = new PerspexList<string> { "Foo" };
var called = false;
target.Template = this.GetTemplate();
target.Items = items;
target.ApplyTemplate();
((ILogical)target).LogicalChildren.CollectionChanged += (s, e) =>
called = e.Action == NotifyCollectionChangedAction.Add;
items.Add("Bar");
Assert.True(called);
}
public void Adding_Items_Should_Fire_LogicalChildren_CollectionChanged()
{
var target = new ItemsControl();
var items = new PerspexList <string> {
"Foo"
};
var called = false;
target.Template = GetTemplate();
target.Items = items;
target.ApplyTemplate();
((ILogical)target).LogicalChildren.CollectionChanged += (s, e) =>
called = e.Action == NotifyCollectionChangedAction.Add;
items.Add("Bar");
Assert.True(called);
}
public void Adding_Item_Should_Raise_CollectionChanged()
{
var target = new PerspexList <int>(new[] { 1, 2 });
var raised = false;
target.CollectionChanged += (s, e) =>
{
Assert.Equal(target, s);
Assert.Equal(NotifyCollectionChangedAction.Add, e.Action);
Assert.Equal(new[] { 3 }, e.NewItems.Cast <int>());
Assert.Equal(2, e.NewStartingIndex);
raised = true;
};
target.Add(3);
Assert.True(raised);
}
public void Adding_Item_Should_Raise_CollectionChanged()
{
var target = new PerspexList<int>(new[] { 1, 2 });
var raised = false;
target.CollectionChanged += (s, e) =>
{
Assert.Equal(target, s);
Assert.Equal(NotifyCollectionChangedAction.Add, e.Action);
Assert.Equal(new[] { 3 }, e.NewItems.Cast<int>());
Assert.Equal(2, e.NewStartingIndex);
raised = true;
};
target.Add(3);
Assert.True(raised);
}
public void Adding_Selected_Item_Should_Update_Selection()
{
var items = new PerspexList<Item>(new[]
{
new Item(),
new Item(),
});
var target = new SelectingItemsControl
{
Items = items,
Template = this.Template(),
};
target.ApplyTemplate();
items.Add(new Item { IsSelected = true });
Assert.Equal(2, target.SelectedIndex);
Assert.Equal(items[2], target.SelectedItem);
}
public object ConvertFrom(IValueContext context, CultureInfo culture, object value)
{
var result = new PerspexList <T>();
var values = ((string)value).Split(',');
foreach (var s in values)
{
object v;
if (TypeUtilities.TryConvert(typeof(T), s, culture, out v))
{
result.Add((T)v);
}
else
{
throw new InvalidCastException($"Could not convert '{s}' to {typeof(T)}.");
}
}
return(result);
}
public void Adding_Selected_Item_Should_Update_Selection()
{
var items = new PerspexList <Item>(new[]
{
new Item(),
new Item(),
});
var target = new SelectingItemsControl
{
Items = items,
Template = Template(),
};
target.ApplyTemplate();
items.Add(new Item {
IsSelected = true
});
Assert.Equal(2, target.SelectedIndex);
Assert.Equal(items[2], target.SelectedItem);
}