/// <summary>
/// Gets the member object that matches the field member.
///
/// For a field:
///
/// self._menuStrip.Items.AddRange()
///
/// This method returns:
///
/// Items
/// </summary>
public object GetMember(IComponentCreator componentCreator)
{
object obj = componentCreator.GetComponent(variableName);
if (obj == null)
{
obj = componentCreator.GetInstance(variableName);
if (obj == null)
{
obj = GetInheritedObject(memberName, componentCreator.RootComponent);
if ((obj == null) && !IsSelfReference)
{
obj = componentCreator.GetInstance(fullMemberName);
}
}
}
if (obj != null)
{
string[] memberNames = fullMemberName.Split('.');
int startIndex = GetMembersStartIndex(memberNames);
return(GetMember(obj, memberNames, startIndex, memberNames.Length - 1));
}
return(null);
}
public object Deserialize(InstanceVariable instance)
{
string name = instance.Name.Substring(1);
object obj = componentCreator.GetComponent(name);
if (obj != null)
{
return(obj);
}
return(componentCreator.GetInstance(name));
}
/// <summary>
/// Sets the property value that is referenced by this field expression.
/// </summary>
/// <remarks>
/// This method checks that the name expression matches a created instance before
/// converting the name expression as a string and setting the property value.
/// </remarks>
public bool SetPropertyValue(IComponentCreator componentCreator, NameExpression nameExpression)
{
object component = GetComponent(componentCreator);
PropertyDescriptor property = GetProperty(component, memberName);
if (property != null)
{
string name = nameExpression.Name;
if (property.PropertyType != typeof(bool))
{
if ("self" == name)
{
return(SetPropertyValue(component, memberName, componentCreator.RootComponent));
}
else
{
object instance = componentCreator.GetInstance(name);
if (instance != null)
{
return(SetPropertyValue(component, memberName, instance));
}
}
}
return(SetPropertyValue(component, memberName, name));
}
return(false);
}
/// <summary>
/// Deserializes expressions of the form:
///
/// 1) System.Windows.Forms.Cursors.AppStarting
/// </summary>
object Deserialize(MemberExpression memberExpression)
{
PythonControlFieldExpression field = PythonControlFieldExpression.Create(memberExpression);
Type type = GetType(field);
if (type != null)
{
if (type.IsEnum)
{
return(Enum.Parse(type, field.MemberName));
}
else
{
BindingFlags propertyBindingFlags = BindingFlags.Public | BindingFlags.GetField | BindingFlags.Static | BindingFlags.Instance;
PropertyInfo propertyInfo = type.GetProperty(field.MemberName, propertyBindingFlags);
if (propertyInfo != null)
{
return(propertyInfo.GetValue(type, null));
}
}
}
return(componentCreator.GetInstance(PythonControlFieldExpression.GetVariableName(field.MemberName)));
}
/// <summary>
/// Gets the component that this field refers to.
/// </summary>
object GetComponent(IComponentCreator componentCreator)
{
object component = null;
if (IsSelfReference)
{
component = GetObject(componentCreator);
component = GetObjectForMemberName(component);
}
else
{
component = componentCreator.GetInstance(variableName);
}
return(component);
}
/// <summary>
/// Gets the component that this field refers to.
/// </summary>
object GetComponent(IComponentCreator componentCreator)
{
object component = null;
if (IsSelfReference) {
component = GetObject(componentCreator);
component = GetObjectForMemberName(component);
} else {
component = componentCreator.GetInstance(variableName);
}
return component;
}
/// <summary>
/// Gets the member object that matches the field member.
///
/// For a field:
///
/// self._menuStrip.Items.AddRange()
///
/// This method returns:
///
/// Items
/// </summary>
public object GetMember(IComponentCreator componentCreator)
{
object obj = componentCreator.GetComponent(variableName);
if (obj == null) {
obj = componentCreator.GetInstance(variableName);
if (obj == null) {
obj = GetInheritedObject(memberName, componentCreator.RootComponent);
if ((obj == null) && !IsSelfReference) {
obj = componentCreator.GetInstance(fullMemberName);
}
}
}
if (obj != null) {
string[] memberNames = fullMemberName.Split('.');
int startIndex = GetMembersStartIndex(memberNames);
return GetMember(obj, memberNames, startIndex, memberNames.Length - 1);
}
return null;
}
/// <summary>
/// Sets the property value that is referenced by this field expression.
/// </summary>
/// <remarks>
/// This method checks that the name expression matches a created instance before
/// converting the name expression as a string and setting the property value.
/// </remarks>
public bool SetPropertyValue(IComponentCreator componentCreator, NameExpression nameExpression)
{
object component = GetComponent(componentCreator);
PropertyDescriptor property = GetProperty(component, memberName);
if (property != null) {
string name = nameExpression.Name;
if (property.PropertyType != typeof(bool)) {
if ("self" == name) {
return SetPropertyValue(component, memberName, componentCreator.RootComponent);
} else {
object instance = componentCreator.GetInstance(name);
if (instance != null) {
return SetPropertyValue(component, memberName, instance);
}
}
}
return SetPropertyValue(component, memberName, name);
}
return false;
}
