public void AutoStarPriority ()
{
// Test a bunch of combinations of auto/star with/without span to see
// which order things are measured in.
MyGrid grid = new MyGrid { Width = 200, Height = 200 };
grid.AddRows (Auto, Auto, Star, Auto, Star);
grid.AddColumns (Auto, Star, Auto, Star, Auto);
// Two auto-autos and one star-star
grid.AddChild (ContentControlWithChild (), 0, 0, 1, 1);
grid.AddChild (ContentControlWithChild (), 0, 0, 1, 1);
grid.AddChild (ContentControlWithChild (), 4, 3, 1, 1);
// Measured in-order. star-star is last.
grid.ResetAndInvalidate ();
grid.Measure (new Size (200, 200));
grid.CheckMeasureOrder ("#1", 0, 1, 2);
grid.CheckMeasureArgs ("#1b", Infinity, Infinity, new Size (75, 75));
grid.ReverseChildren ();
grid.ResetAndInvalidate ();
grid.Measure (new Size (200, 200));
grid.CheckMeasureOrder ("#2", 1, 2, 0);
grid.CheckMeasureArgs ("#2b", Infinity, Infinity, new Size (75, 75));
// Span > 1 does not affect measure order. star-star is last.
grid.ReverseChildren ();
grid.ChangeRowSpan (0, 2);
grid.ResetAndInvalidate ();
grid.Measure (new Size (200, 200));
grid.CheckMeasureOrder ("#3", 0, 1, 2);
grid.CheckMeasureArgs ("#3b", Infinity, Infinity, new Size (75, 75));
grid.ReverseChildren ();
grid.ResetAndInvalidate ();
grid.Measure (new Size (200, 200));
grid.CheckMeasureOrder ("#4", 1, 2, 0);
grid.CheckMeasureArgs ("#4b", Infinity, Infinity, new Size (75, 75));
// Elements which do not span a star row are measured first. star-star is last.
grid.ReverseChildren ();
grid.ChangeRowSpan (0, 3);
grid.ResetAndInvalidate ();
grid.Measure (new Size (200, 200));
grid.CheckMeasureOrder ("#5", 1, 0, 2);
grid.CheckMeasureArgs ("#5b", Infinity, new Size (inf, 125), new Size (75, 75));
grid.ReverseChildren ();
grid.ResetAndInvalidate ();
grid.Measure (new Size (200, 200));
grid.CheckMeasureOrder ("#6", 1, 2, 0);
grid.CheckMeasureArgs ("#6b", Infinity, new Size (inf, 125), new Size (75, 75));
// Elements which do not span a star col are measured first. star-star is last.
grid.ReverseChildren ();
grid.ChangeRowSpan (0, 1);
grid.ChangeColSpan (0, 2);
grid.ResetAndInvalidate ();
grid.Measure (new Size (200, 200));
grid.CheckMeasureOrder ("#7", 1, 0, 2);
grid.CheckMeasureArgs ("#7b", Infinity, new Size (125, inf), new Size (75, 75));
grid.ReverseChildren ();
grid.ResetAndInvalidate ();
grid.Measure (new Size (200, 200));
grid.CheckMeasureOrder ("#8", 1, 2, 0);
grid.CheckMeasureArgs ("#8b", Infinity, new Size (125, inf), new Size (75, 75));
// Elements which span a Star row are measured before ones spanning a Star col. star-star is last.
grid.ReverseChildren ();
grid.ChangeRowSpan (1, 3);
grid.ResetAndInvalidate ();
grid.Measure (new Size (200, 200));
grid.CheckMeasureOrder ("#9", 1, 0, 1, 2);
grid.CheckMeasureArgs ("#9b", Infinity, new Size (125, inf), new Size (inf, 125), new Size (75, 75));
grid.ReverseChildren ();
grid.ResetAndInvalidate ();
grid.Measure (new Size (200, 200));
grid.CheckMeasureOrder ("#10", 1, 2, 1, 0);
grid.CheckMeasureArgs ("#10b", Infinity, new Size (125, inf), new Size (inf, 125), new Size (75, 75));
// Auto/Auto is measured before all. star-star is last.
grid.ReverseChildren ();
grid.AddChild (ContentControlWithChild (), 0, 0, 1, 1);
grid.ResetAndInvalidate ();
grid.Measure (new Size (200, 200));
grid.CheckMeasureOrder ("#11", 3, 1, 0, 1, 2);
grid.CheckMeasureArgs ("#11b", Infinity, Infinity, new Size (125, inf), new Size (inf, 125), new Size (75, 75));
grid.ReverseChildren ();
grid.ResetAndInvalidate ();
grid.Measure (new Size (200, 200));
grid.CheckMeasureOrder ("#12", 0, 2, 3, 2, 1);
grid.CheckMeasureArgs ("#12b", Infinity, Infinity, new Size (125, inf), new Size (inf, 125), new Size (75, 75));
}
public void ChangingGridPropertiesInvalidates ()
{
// Normally remeasuring with the same width/height does not result in MeasureOverride
// being called, but if we change a grid property, it does.
MyGrid g = new MyGrid ();
g.AddRows (GridLength.Auto, GridLength.Auto, GridLength.Auto);
g.AddColumns (GridLength.Auto, GridLength.Auto, GridLength.Auto);
g.AddChild (ContentControlWithChild (), 0, 0, 1, 1);
g.Measure (new Size (50, 50));
g.CheckMeasureArgs ("#1", new Size (inf, inf));
g.Reset ();
g.Measure (new Size (50, 50));
g.CheckMeasureArgs ("#2");
g.ChangeRowSpan (0, 2);
g.Reset ();
g.Measure (new Size (50, 50));
g.CheckMeasureArgs ("#3", new Size (inf, inf));
g.ChangeColSpan (0, 2);
g.Reset ();
g.Measure (new Size (50, 50));
g.CheckMeasureArgs ("#4", new Size (inf, inf));
g.ChangeRow (0, 1);
g.Reset ();
g.Measure (new Size (50, 50));
g.CheckMeasureArgs ("#5", new Size (inf, inf));
g.ChangeCol (0, 1);
g.Reset ();
g.Measure (new Size (50, 50));
g.CheckMeasureArgs ("#6", new Size (inf, inf));
}
public void AutoStarPriority()
{
// Test a bunch of combinations of auto/star with/without span to see
// which order things are measured in.
MyGrid grid = new MyGrid {
Width = 200, Height = 200
};
grid.AddRows(Auto, Auto, Star, Auto, Star);
grid.AddColumns(Auto, Star, Auto, Star, Auto);
// Two auto-autos and one star-star
grid.AddChild(ContentControlWithChild(), 0, 0, 1, 1);
grid.AddChild(ContentControlWithChild(), 0, 0, 1, 1);
grid.AddChild(ContentControlWithChild(), 4, 3, 1, 1);
// Measured in-order. star-star is last.
grid.ResetAndInvalidate();
grid.Measure(new Size(200, 200));
grid.CheckMeasureOrder("#1", 0, 1, 2);
grid.CheckMeasureArgs("#1b", Infinity, Infinity, new Size(75, 75));
grid.ReverseChildren();
grid.ResetAndInvalidate();
grid.Measure(new Size(200, 200));
grid.CheckMeasureOrder("#2", 1, 2, 0);
grid.CheckMeasureArgs("#2b", Infinity, Infinity, new Size(75, 75));
// Span > 1 does not affect measure order. star-star is last.
grid.ReverseChildren();
grid.ChangeRowSpan(0, 2);
grid.ResetAndInvalidate();
grid.Measure(new Size(200, 200));
grid.CheckMeasureOrder("#3", 0, 1, 2);
grid.CheckMeasureArgs("#3b", Infinity, Infinity, new Size(75, 75));
grid.ReverseChildren();
grid.ResetAndInvalidate();
grid.Measure(new Size(200, 200));
grid.CheckMeasureOrder("#4", 1, 2, 0);
grid.CheckMeasureArgs("#4b", Infinity, Infinity, new Size(75, 75));
// Elements which do not span a star row are measured first. star-star is last.
grid.ReverseChildren();
grid.ChangeRowSpan(0, 3);
grid.ResetAndInvalidate();
grid.Measure(new Size(200, 200));
grid.CheckMeasureOrder("#5", 1, 0, 2);
grid.CheckMeasureArgs("#5b", Infinity, new Size(inf, 125), new Size(75, 75));
grid.ReverseChildren();
grid.ResetAndInvalidate();
grid.Measure(new Size(200, 200));
grid.CheckMeasureOrder("#6", 1, 2, 0);
grid.CheckMeasureArgs("#6b", Infinity, new Size(inf, 125), new Size(75, 75));
// Elements which do not span a star col are measured first. star-star is last.
grid.ReverseChildren();
grid.ChangeRowSpan(0, 1);
grid.ChangeColSpan(0, 2);
grid.ResetAndInvalidate();
grid.Measure(new Size(200, 200));
grid.CheckMeasureOrder("#7", 1, 0, 2);
grid.CheckMeasureArgs("#7b", Infinity, new Size(125, inf), new Size(75, 75));
grid.ReverseChildren();
grid.ResetAndInvalidate();
grid.Measure(new Size(200, 200));
grid.CheckMeasureOrder("#8", 1, 2, 0);
grid.CheckMeasureArgs("#8b", Infinity, new Size(125, inf), new Size(75, 75));
// Elements which span a Star row are measured before ones spanning a Star col. star-star is last.
grid.ReverseChildren();
grid.ChangeRowSpan(1, 3);
grid.ResetAndInvalidate();
grid.Measure(new Size(200, 200));
grid.CheckMeasureOrder("#9", 1, 0, 1, 2);
grid.CheckMeasureArgs("#9b", Infinity, new Size(125, inf), new Size(inf, 125), new Size(75, 75));
grid.ReverseChildren();
grid.ResetAndInvalidate();
grid.Measure(new Size(200, 200));
grid.CheckMeasureOrder("#10", 1, 2, 1, 0);
grid.CheckMeasureArgs("#10b", Infinity, new Size(125, inf), new Size(inf, 125), new Size(75, 75));
// Auto/Auto is measured before all. star-star is last.
grid.ReverseChildren();
grid.AddChild(ContentControlWithChild(), 0, 0, 1, 1);
grid.ResetAndInvalidate();
grid.Measure(new Size(200, 200));
grid.CheckMeasureOrder("#11", 3, 1, 0, 1, 2);
grid.CheckMeasureArgs("#11b", Infinity, Infinity, new Size(125, inf), new Size(inf, 125), new Size(75, 75));
grid.ReverseChildren();
grid.ResetAndInvalidate();
grid.Measure(new Size(200, 200));
grid.CheckMeasureOrder("#12", 0, 2, 3, 2, 1);
grid.CheckMeasureArgs("#12b", Infinity, Infinity, new Size(125, inf), new Size(inf, 125), new Size(75, 75));
}
