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Fixes the RatingView Binding property Rating

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This commit is contained in:
Paul Schneider 2016-10-08 17:15:52 +02:00
commit 031a5d9f3d
4 changed files with 82 additions and 74 deletions
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25
BookAStar/BookAStar/Behaviors/StarBehavior.cs
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@ -31,6 +31,9 @@ namespace BookAStar.Behaviors
typeof(int),
typeof(StarBehavior), default(int),
BindingMode.TwoWay);
public static event EventHandler<EventArgs> StarTapped;
public int Rating
{
@ -87,7 +90,8 @@ namespace BookAStar.Behaviors
BindableProperty.Create("IsStarred",
typeof(bool),
typeof(StarBehavior),
false);
false,
propertyChanged: OnIsStarredChanged);
public bool IsStarred
{
@ -113,11 +117,12 @@ namespace BookAStar.Behaviors
}
bool itemReached = false;
int count = 1, position = 0;
int count = 0, position = 0;
// all positions to left IsStarred = true and all position to the right is false
foreach (var item in behaviors)
{
if (item != behavior && !itemReached)
{
count++;
if (item != behavior && !itemReached)
{
item.IsStarred = true;
}
@ -131,16 +136,14 @@ namespace BookAStar.Behaviors
if ((bool)newValue)
position = count;
else position = count - 1;
}
if (item != behavior && itemReached)
item.IsStarred = false;
item.Rating = position;
count++;
}
// Assert count > 0
behaviors[count - 1].Rating = position;
}
@ -164,9 +167,11 @@ namespace BookAStar.Behaviors
void OnTapRecognizerTapped(object sender, EventArgs args)
{
// Assert sender is mine
bool currentIsStarred = (bool) GetValue(IsStarredProperty);
SetValue(IsStarredProperty, !currentIsStarred);
OnIsStarredChanged(this,currentIsStarred,!currentIsStarred);
IsStarred = !currentIsStarred;
if (StarTapped!=null)
StarTapped.Invoke(this, new EventArgs());
}
}
}