/// <summary>
/// 初始化 <see cref="BindableValue"/> 新实例。
/// </summary>
/// <param name="dataSourceType">数据源类型。</param>
/// <param name="propertyName">属性名称。</param>
public BindableValue(Type dataSourceType, string propertyName)
{
var properties = propertyName.Split('.').ToList();
if (properties.Count == 1)
{
DataSource = null;
_property = SourceTypeDescriptor.GetProperty(dataSourceType, properties.Last());
_property.AddValueChanged(null, OnValueChanged);
}
else
{
var root = new BindableValue(dataSourceType, properties[0]);
for (int i = 1; i < properties.Count; i++)
{
var pro = SourceTypeDescriptor.GetProperty(root.Type, properties[i]);
if (i == (properties.Count - 1))
{
DataSource = root.Value;
_property = pro;
_property.AddValueChanged(root.Value, OnValueChanged);
}
else
{
root.next = new BindableValue(root.Value, pro);
root.next.previous = root;
root = root.next;
}
}
}
}
private BindableValue(object dataSource, SourcePropertyDescriptor property)
{
DataSource = dataSource;
_property = property;
_property.AddValueChanged(dataSource, OnValueChanged);
}