/// <summary>
/// Assigns the property values from a specified member.
/// </summary>
protected virtual void SetValue(UnityMemberBase value)
{
if (value != null)
{
componentProperty.stringValue = value.component;
nameProperty.stringValue = value.name;
UnityMemberDrawerHelper.SerializeParameterTypes(parameterTypesProperty, value.parameterTypes);
}
else
{
componentProperty.stringValue = null;
nameProperty.stringValue = null;
parameterTypesProperty.arraySize = 0;
}
}
/// <inheritdoc />
protected override void RenderMemberControl(Rect position)
{
// Other Targets
// Some Unity Objects, like Assets, are not supported by the drawer.
// Just display an error message to let the user change their target.
if (targetType == UnityObjectType.Other)
{
EditorGUI.HelpBox(position, "Unsupported Unity Object type.", MessageType.None);
return;
}
// Display a list of all available reflected members in a popup.
UnityMemberBase value = GetValue();
DropdownOption <UnityMemberBase> selectedOption = null;
if (value != null)
{
if (targetType == UnityObjectType.GameObject)
{
string label;
if (value.component == null)
{
label = string.Format("GameObject.{0}", value.name);
}
else
{
label = string.Format("{0}.{1}", value.component, value.name);
}
// There seems to be no way of differentiating between null parameter types
// (fields, properties and implicitly typed methods) and zero parameter types
// because Unity's serialized property array cannot be assigned to null, only
// given an array size of zero.
// TODO: The solution would be to use a single comma-separated
// string instead of an array of strings, which we could differentiate manually.
if (value.parameterTypes != null && value.parameterTypes.Length > 0)
{
string parameterString = string.Join(", ", value.parameterTypes.Select(t => t.PrettyName()).ToArray());
label += string.Format(" ({0})", parameterString);
}
selectedOption = new DropdownOption <UnityMemberBase>(value, label);
}
else if (targetType == UnityObjectType.ScriptableObject)
{
selectedOption = new DropdownOption <UnityMemberBase>(value, value.name);
}
}
bool enabled = targetType != UnityObjectType.None;
if (!enabled)
{
EditorGUI.BeginDisabledGroup(true);
}
EditorGUI.BeginChangeCheck();
EditorGUI.showMixedValue = nameProperty.hasMultipleDifferentValues;
List <DropdownOption <UnityMemberBase> > filteredMembers = new List <DropdownOption <UnityMemberBase> >();
var allMembers = GetAllMemberOptions();
if (filter.InspectorReturnTypes != null && filter.InspectorReturnTypes.Length > 0 && filter.InspectorReturnTypes.Where(s => (!string.IsNullOrEmpty(s))).Count() > 0)
{
for (int i = 0; i < allMembers.Count; i++)
{
if (allMembers[i].label.ContainsOneOf(filter.InspectorReturnTypes))
{
filteredMembers.Add(allMembers[i]);
}
}
}
else
{
filteredMembers = allMembers;
}
value = DropdownGUI <UnityMemberBase> .PopupSingle
(
position,
filteredMembers,
selectedOption,
new DropdownOption <UnityMemberBase>(null, string.Format("Nothing"))
);
EditorGUI.showMixedValue = false;
if (EditorGUI.EndChangeCheck())
{
SetValue(value);
}
if (!enabled)
{
EditorGUI.EndDisabledGroup();
}
}
