/// <summary>
/// Sets a value in the state.
/// </summary>
/// <param name="item">The item.</param>
/// <param name="name">The name.</param>
/// <param name="value">The value.</param>
public void SetValue(ProjectItem item, string name, string value)
{
var localValue = this.FindValue(item, name);
if (localValue == null)
{
if (value != null)
{
this.Values.Add(new ProjectValue(item.UniversalName, name, value));
}
}
else
{
if (value == null)
{
this.Values.Remove(localValue);
}
else
{
localValue.Value = value;
}
}
}
/// <summary>
/// Gets a value from the state.
/// </summary>
/// <param name="item">The item.</param>
/// <param name="name">The name.</param>
/// <returns>
/// The value if it exists; <c>null</c> otherwise.
/// </returns>
public string GetValue(ProjectItem item, string name)
{
var value = this.FindValue(item, name);
return value == null ? null : value.Value;
}
/// <summary>
/// Attempts to find a value.
/// </summary>
/// <param name="item">The item.</param>
/// <param name="name">The name.</param>
/// <returns>
/// The <see cref="ProjectValue"/> if found; <c>null</c> otherwise.
/// </returns>
private ProjectValue FindValue(ProjectItem item, string name)
{
var value = this.Values
.SingleOrDefault(v => v.Owner == item.UniversalName && v.Name == name);
return value;
}
