public void WrapPanelLayoutTest()
{
WrapPanel panel = new WrapPanel();
panel.IsRootElement = true;
FrameworkElement child1 = new FrameworkElement {
Width = 200, Height = 100
};
FrameworkElement child2 = new FrameworkElement {
Width = 200, Height = 100
};
FrameworkElement child3 = new FrameworkElement {
Width = 200, Height = 60, Margin = new Thickness(0, 10)
};
FrameworkElement child4 = new FrameworkElement {
Width = 200, Height = 60, Margin = new Thickness(0, 10)
};
FrameworkElement child5 = new FrameworkElement {
Width = 200, Height = 60
};
panel.Children.Add(child1);
panel.Children.Add(child2);
panel.Children.Add(child3);
panel.Children.Add(child4);
panel.Children.Add(child5);
panel.Measure(new Size(1000, 1000));
Assert.AreEqual(new Size(1000, 100), panel.DesiredSize);
panel.Arrange(new Rect(1000, 100));
Assert.AreEqual(new Size(1000, 100), panel.RenderSize);
Assert.AreEqual(new Point(0, 0), child1.VisualOffset);
Assert.AreEqual(new Point(200, 0), child2.VisualOffset);
Assert.AreEqual(new Point(400, 20), child3.VisualOffset);
Assert.AreEqual(new Point(600, 20), child4.VisualOffset);
Assert.AreEqual(new Point(800, 20), child5.VisualOffset);
panel.Measure(new Size(500, 1000));
Assert.AreEqual(new Size(400, 240), panel.DesiredSize);
panel.Arrange(new Rect(500, 240));
Assert.AreEqual(new Point(0, 0), child1.VisualOffset);
Assert.AreEqual(new Point(200, 0), child2.VisualOffset);
Assert.AreEqual(new Point(0, 110), child3.VisualOffset);
Assert.AreEqual(new Point(200, 110), child4.VisualOffset);
Assert.AreEqual(new Point(0, 180), child5.VisualOffset);
}
protected override Size MeasureOverride(Size constraint)
{
double maxWrapPanelWidth = ThumbnailSize.Width * Columns;
if (WrapPanel.MaxWidth != maxWrapPanelWidth)
{
WrapPanel.MaxWidth = maxWrapPanelWidth;
WrapPanel.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
}
Size size = base.MeasureOverride(constraint);
double w = CalculateInRibbonThumbnailWidth();
if (WrapPanel.MaxWidth != w)
{
WrapPanel.MaxWidth = w;
WrapPanel.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
size = base.MeasureOverride(constraint);
}
int visibleItems = (int)(size.Width / ThumbnailSize.Width);
IsDropDownEnabled = visibleItems < Items.Count;
return(size);
}
public void WrapPanelLayoutParseTest()
{
string text = @"
<WrapPanel xmlns='http://schemas.microsoft.com/winfx/2006/xaml/presentation'>
<FrameworkElement Width='200' Height='100'/>
<FrameworkElement Width='200' Height='100'/>
<FrameworkElement Width='200' Height='60' Margin='0,10'/>
<FrameworkElement Width='200' Height='60' Margin='0,10'/>
<FrameworkElement Width='200' Height='60'/>
</WrapPanel>";
XamlElement rootElement = XamlParser.Parse(text);
WrapPanel panel = XamlLoader.Load(rootElement) as WrapPanel;
panel.IsRootElement = true;
panel.Measure(new Size(1000, 1000));
Assert.AreEqual(new Size(1000, 100), panel.DesiredSize);
panel.Arrange(new Rect(1000, 100));
Assert.AreEqual(new Size(1000, 100), panel.RenderSize);
Assert.AreEqual(new Point(0, 0), panel.Children[0].VisualOffset);
Assert.AreEqual(new Point(200, 0), panel.Children[1].VisualOffset);
Assert.AreEqual(new Point(400, 20), panel.Children[2].VisualOffset);
Assert.AreEqual(new Point(600, 20), panel.Children[3].VisualOffset);
Assert.AreEqual(new Point(800, 20), panel.Children[4].VisualOffset);
panel.Measure(new Size(500, 1000));
Assert.AreEqual(new Size(400, 240), panel.DesiredSize);
panel.Arrange(new Rect(500, 240));
Assert.AreEqual(new Point(0, 0), panel.Children[0].VisualOffset);
Assert.AreEqual(new Point(200, 0), panel.Children[1].VisualOffset);
Assert.AreEqual(new Point(0, 110), panel.Children[2].VisualOffset);
Assert.AreEqual(new Point(200, 110), panel.Children[3].VisualOffset);
Assert.AreEqual(new Point(0, 180), panel.Children[4].VisualOffset);
}
void ItemHeight_Trigger_InvalidateMeasure()
{
var target = new WrapPanel();
target.Measure(new Size(10, 10));
Assert.True(target.IsMeasureValid);
target.ItemHeight = 1;
Assert.False(target.IsMeasureValid);
}
public void Lays_Out_Horizontally_On_A_Single_Line()
{
var target = new WrapPanel()
{
Width = 200,
Children = new Controls
{
new Border { Height = 50, Width = 100 },
new Border { Height = 50, Width = 100 },
}
};
target.Measure(Size.Infinity);
target.Arrange(new Rect(target.DesiredSize));
Assert.Equal(new Size(200, 50), target.Bounds.Size);
Assert.Equal(new Rect(0, 0, 100, 50), target.Children[0].Bounds);
Assert.Equal(new Rect(100, 0, 100, 50), target.Children[1].Bounds);
}
public void Applies_ItemWidth_And_ItemHeight_Properties()
{
var target = new WrapPanel()
{
Orientation = Orientation.Horizontal,
Width = 50,
ItemWidth = 20,
ItemHeight = 15,
Children =
{
new Border(),
new Border(),
}
};
target.Measure(Size.Infinity);
target.Arrange(new Rect(target.DesiredSize));
Assert.Equal(new Size(50, 15), target.Bounds.Size);
Assert.Equal(new Rect(0, 0, 20, 15), target.Children[0].Bounds);
Assert.Equal(new Rect(20, 0, 20, 15), target.Children[1].Bounds);
}
public void Lays_Out_Horizontally_On_A_Single_Line()
{
var target = new WrapPanel()
{
Width = 200,
Children =
{
new Border {
Height = 50, Width = 100
},
new Border {
Height = 50, Width = 100
},
}
};
target.Measure(Size.Infinity);
target.Arrange(new Rect(target.DesiredSize));
Assert.Equal(new Size(200, 50), target.Bounds.Size);
Assert.Equal(new Rect(0, 0, 100, 50), target.Children[0].Bounds);
Assert.Equal(new Rect(100, 0, 100, 50), target.Children[1].Bounds);
}
public void Lays_Out_Horizontally_On_A_Single_Line()
{
var target = new WrapPanel()
{
Width = 200,
Children =
{
new Border {
Height = 50, Width = 100
},
new Border {
Height = 50, Width = 100
},
}
};
target.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
target.Arrange(new Rect(target.DesiredSize));
Assert.Equal(new Size(200, 50), new Size(target.ActualWidth, target.ActualHeight));
Assert.Equal(new Rect(0, 0, 100, 50), target.Children[0].BoundsRelativeTo(target));
Assert.Equal(new Rect(100, 0, 100, 50), target.Children[1].BoundsRelativeTo(target));
}
public void Lays_Out_Vertically_On_Separate_Lines()
{
var target = new WrapPanel()
{
Orientation = Orientation.Vertical,
Height = 60,
Children =
{
new Border {
Height = 50, Width = 100
},
new Border {
Height = 50, Width = 100
},
}
};
target.Measure(Size.Infinity);
target.Arrange(new Rect(target.DesiredSize));
Assert.Equal(new Size(200, 60), target.Bounds.Size);
Assert.Equal(new Rect(0, 0, 100, 50), target.Children[0].Bounds);
Assert.Equal(new Rect(100, 0, 100, 50), target.Children[1].Bounds);
}
public void Lays_Out_Vertically_Children_On_A_Single_Line()
{
var target = new WrapPanel()
{
Orientation = Orientation.Vertical,
Height = 120,
Children = new Controls
{
new Border {
Height = 50, Width = 100
},
new Border {
Height = 50, Width = 100
},
}
};
target.Measure(Size.Infinity);
target.Arrange(new Rect(target.DesiredSize));
Assert.Equal(new Size(100, 120), target.Bounds.Size);
Assert.Equal(new Rect(0, 0, 100, 50), target.Children[0].Bounds);
Assert.Equal(new Rect(0, 50, 100, 50), target.Children[1].Bounds);
}
public void Lays_Out_Vertically_On_Separate_Lines()
{
var target = new WrapPanel()
{
Orientation = Orientation.Vertical,
Height = 60,
Children = new Controls
{
new Border { Height = 50, Width = 100 },
new Border { Height = 50, Width = 100 },
}
};
target.Measure(Size.Infinity);
target.Arrange(new Rect(target.DesiredSize));
Assert.Equal(new Size(200, 60), target.Bounds.Size);
Assert.Equal(new Rect(0, 0, 100, 50), target.Children[0].Bounds);
Assert.Equal(new Rect(100, 0, 100, 50), target.Children[1].Bounds);
}