/// <summary>
/// Creates a StringMemberHelper to get a display string.
/// </summary>
/// <param name="property">The property.</param>
/// <param name="memberName">The member name.</param>
/// <param name="allowInstanceMember">If <c>true</c>, then StringMemberHelper will look for instance members.</param>
/// <param name="allowStaticMember">If <c>true</c>, then StringMemberHelper will look for static members.</param>
/// <exception cref="System.InvalidOperationException">Require either allowInstanceMember or allowStaticMember to be true.</exception>
public InspectorPropertyValueGetter(InspectorProperty property, string memberName, bool allowInstanceMember = true, bool allowStaticMember = true)
{
this.memberProperty = property.FindParent(x => x.Info.GetMemberInfo() != null, true);
// TODO: Expression temporarily disabled.
//if (memberName != null && memberName.Length > 0 && memberName[0] == '$')
//{
// var expression = memberName.Substring(1);
// this.isStaticExpression = property.ParentValueProperty == null && property.Tree.IsStatic;
// this.expressionMethod = ExpressionCompilerUtility.CompileExpression(expression, this.isStaticExpression, property.ParentType, out this.errorMessage);
// if (this.expressionMethod != null && this.expressionMethod.Method.ReturnType.IsCastableTo(typeof(TReturnType)) == false)
// {
// this.errorMessage = "Cannot cast type of " + this.expressionMethod.Method.ReturnType + " to type of " + typeof(TReturnType).Name + ".";
// this.expressionMethod = null;
// }
//}
//else
{
var parentType = this.memberProperty.ParentType;
var finder = MemberFinder.Start(parentType)
.HasReturnType <TReturnType>(true)
.IsNamed(memberName)
.HasNoParameters();
if (!allowInstanceMember && !allowStaticMember)
{
throw new InvalidOperationException("Require either allowInstanceMember and/or allowStaticMember to be true.");
}
else if (!allowInstanceMember)
{
finder.IsStatic();
}
else if (!allowStaticMember)
{
finder.IsInstance();
}
MemberInfo member;
if (finder.TryGetMember(out member, out this.errorMessage))
{
if (member is MethodInfo)
{
memberName += "()";
}
if (member.IsStatic())
{
this.staticValueGetter = DeepReflection.CreateValueGetter <TReturnType>(parentType, memberName);
}
else
{
this.instanceValueGetter = DeepReflection.CreateWeakInstanceValueGetter <TReturnType>(parentType, memberName);
}
}
}
}
/// <summary>
/// Creates a StringMemberHelper to get a display string.
/// </summary>
/// <param name="property">The property.</param>
/// <param name="memberName">The member name.</param>
/// <param name="allowInstanceMember">If <c>true</c>, then StringMemberHelper will look for instance members.</param>
/// <param name="allowStaticMember">If <c>true</c>, then StringMemberHelper will look for static members.</param>
/// <exception cref="System.InvalidOperationException">Require either allowInstanceMember or allowStaticMember to be true.</exception>
public InspectorPropertyValueGetter(InspectorProperty property, string memberName, bool allowInstanceMember = true, bool allowStaticMember = true)
{
this.actualProperty = property;
this.memberProperty = property.FindParent(x => x.Info.GetMemberInfo() != null, true);
if (memberName != null && memberName.Length > 0 && memberName[0] == '@')
{
#if ODIN_LIMITED_VERSION
this.errorMessage = "Expressions are only available in Odin Inspector Commercial and up.";
#else
var expression = memberName.Substring(1);
this.isStaticExpression = property.ParentValueProperty == null && property.Tree.IsStatic;
Type[] parameters = new Type[] { typeof(InspectorProperty) };
string[] parameterNames = new string[] { "property" };
this.expressionMethod = ExpressionUtility.ParseExpression(expression, this.isStaticExpression, property.ParentType, parameters, parameterNames, out this.errorMessage);
if (this.expressionMethod != null && this.expressionMethod.Method.ReturnType.IsCastableTo(typeof(TReturnType)) == false)
{
this.errorMessage = "Cannot cast type of " + this.expressionMethod.Method.ReturnType + " to type of " + typeof(TReturnType).Name + ".";
this.expressionMethod = null;
}
#endif
}
else
{
if (memberName != null && memberName.Length > 0 && memberName[0] == '$')
{
memberName = memberName.Substring(1);
}
var parentType = this.memberProperty.ParentType;
var finder = MemberFinder.Start(parentType)
.HasReturnType <TReturnType>(true)
.IsNamed(memberName)
.HasNoParameters();
if (!allowInstanceMember && !allowStaticMember)
{
throw new InvalidOperationException("Require either allowInstanceMember and/or allowStaticMember to be true.");
}
else if (!allowInstanceMember)
{
finder.IsStatic();
}
else if (!allowStaticMember)
{
finder.IsInstance();
}
MemberInfo member;
if (finder.TryGetMember(out member, out this.errorMessage))
{
if (member is MethodInfo)
{
memberName += "()";
}
if (member.IsStatic())
{
this.staticValueGetter = DeepReflection.CreateValueGetter <TReturnType>(parentType, memberName);
}
else
{
this.instanceValueGetter = DeepReflection.CreateWeakInstanceValueGetter <TReturnType>(parentType, memberName);
}
}
}
}
