public PseudoClassViewModel(string name, StyledElement source)
{
Name = name;
_source = source;
_pseudoClasses = _source.Classes;
Update();
}
/// <summary>
/// Adds or removes a pseudoclass depending on a boolean value.
/// </summary>
/// <param name="classes">The pseudoclasses collection.</param>
/// <param name="name">The name of the pseudoclass to set.</param>
/// <param name="value">True to add the pseudoclass or false to remove.</param>
public static void Set(this IPseudoClasses classes, string name, bool value)
{
if (value)
{
classes.Add(name);
}
else
{
classes.Remove(name);
}
}
/// <summary>
/// Adds or removes a pseudoclass depending on a boolean value.
/// </summary>
/// <param name="classes">The pseudoclasses collection.</param>
/// <param name="name">The name of the pseudoclass to set.</param>
/// <param name="value">True to add the pseudoclass or false to remove.</param>
public static void Set(this IPseudoClasses classes, string name, bool value)
{
Contract.Requires <ArgumentNullException>(classes != null);
if (value)
{
classes.Add(name);
}
else
{
classes.Remove(name);
}
}
/// <summary>
/// Adds or removes a pseudoclass depending on a boolean value.
/// </summary>
/// <param name="classes">The pseudoclasses collection.</param>
/// <param name="name">The name of the pseudoclass to set.</param>
/// <param name="value">True to add the pseudoclass or false to remove.</param>
public static void Set(this IPseudoClasses classes, string name, bool value)
{
_ = classes ?? throw new ArgumentNullException(nameof(classes));
if (value)
{
classes.Add(name);
}
else
{
classes.Remove(name);
}
}
/// <summary>
/// Sets a pseudoclass depending on an observable trigger.
/// </summary>
/// <param name="classes">The pseudoclasses collection.</param>
/// <param name="name">The name of the pseudoclass to set.</param>
/// <param name="trigger">The trigger: true adds the pseudoclass, false removes.</param>
/// <returns>A disposable used to cancel the subscription.</returns>
public static IDisposable Set(this IPseudoClasses classes, string name, IObservable <bool> trigger)
{
Contract.Requires <ArgumentNullException>(classes != null);
return(trigger.Subscribe(x => classes.Set(name, x)));
}
/// <summary>
/// Sets a pseudoclass depending on an observable trigger.
/// </summary>
/// <param name="classes">The pseudoclasses collection.</param>
/// <param name="name">The name of the pseudoclass to set.</param>
/// <param name="trigger">The trigger: true adds the pseudoclass, false removes.</param>
/// <returns>A disposable used to cancel the subscription.</returns>
public static IDisposable Set(this IPseudoClasses classes, string name, IObservable <bool> trigger)
{
return(trigger.Subscribe(x => classes.Set(name, x)));
}
/// <summary>
/// Sets a pseudoclass depending on an observable trigger.
/// </summary>
/// <param name="classes">The pseudoclasses collection.</param>
/// <param name="name">The name of the pseudoclass to set.</param>
/// <param name="trigger">The trigger: true adds the pseudoclass, false removes.</param>
/// <returns>A disposable used to cancel the subscription.</returns>
public static IDisposable Set(this IPseudoClasses classes, string name, IObservable <bool> trigger)
{
_ = classes ?? throw new ArgumentNullException(nameof(classes));
return(trigger.Subscribe(x => classes.Set(name, x)));
}
