I have five images, when you click one of them, I want it to have full opacity, and the other only half to show that it is selected.
I use MVVM and generally wonder if I am doing this correctly.
I was thinking about passing the name of the image source bound to the property.
<StackLayout Grid.Row="3" Grid.Column="1" Orientation="Horizontal" Spacing="0">
<Image Source="{Binding StatusUnresolved}" HorizontalOptions="Center"
VerticalOptions="Center" HeightRequest="40" Opacity="{Binding StatusUnresolvedOpacity}">
<Image.GestureRecognizers>
</Image.GestureRecognizers>
</Image>
</StackLayout>
A list to which the string is subsequently included.
public List<IssueStatusModel> PossibleStatusValues
{
get
{
var items = new List<IssueStatusModel>
{
new IssueStatusModel("statusUnresolved.png", IssueStatus.Unresolved),
new IssueStatusModel("statusInProgress.png", IssueStatus.InProgress),
new IssueStatusModel("statusDone.png", IssueStatus.Done)
};
return items;
}
}
Property for opacity
public double StatusDoneOpacity
{
get { return statusDoneOpacity; }
set
{
if (statusDoneOpacity != value)
{
statusDoneOpacity = value;
NotifyPropertyChanged(nameof(StatusUnresolvedOpacity));
}
}
}
public string StatusDone
{
get { return "statusDone.png"; }
}
public void OnStatusTapped(string fileName)
{
foreach (IssueStatusModel item in StatusValues)
{
if (item.Name != fileName) continue;
Issue.Status = item.Status;
StatusChecker();
return;
}
}
}
Switch statement Change all opacity.
private void StatusChecker()
{
switch (Issue.Status)
{
case IssueStatus.Unresolved:
StatusUnresolvedOpacity = 1;
StatusInProgressOpacity = 0.5;
StatusDoneOpacity = 0.5;
StatusText = "Unresolved";
break;
case IssueStatus.InProgress:
StatusUnresolvedOpacity = 0.5;
StatusInProgressOpacity = 1;
StatusDoneOpacity = 0.5;
StatusText = "In Progress";
break;
case IssueStatus.Done:
StatusUnresolvedOpacity = 0.5;
StatusInProgressOpacity = 0.5;
statusDoneOpacity = 1;
StatusText = "Done";
break;
}
}
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