static GUIHelper()
{
var guiLayoutEntryType = typeof(GUI).Assembly.GetType("UnityEngine.GUILayoutEntry");
var hostViewType = typeof(Editor).Assembly.GetType("UnityEditor.HostView");
var guiViewType = typeof(Editor).Assembly.GetType("UnityEditor.GUIView");
inspectorWindowType = typeof(Editor).Assembly.GetType("UnityEditor.InspectorWindow");
GetRectOnGUILayoutEntry = EmitUtilities.CreateWeakInstanceFieldGetter <Rect>(guiLayoutEntryType, guiLayoutEntryType.GetField("rect", Flags.AllMembers));
EditorScreenPointOffsetGetter = DeepReflection.CreateValueGetter <Vector2>(typeof(GUIUtility), "s_EditorScreenPointOffset");
CurrentWindowIDGetter = DeepReflection.CreateValueGetter <int>(guiViewType, "current.GetInstanceID()");
CurrentWindowHasFocusGetter = DeepReflection.CreateValueGetter <bool>(guiViewType, "current.hasFocus");
GetIsDockedWindowGetter = DeepReflection.CreateValueGetter <EditorWindow, bool>("docked");
ContextWidthGetter = DeepReflection.CreateValueGetter <float>(typeof(EditorGUIUtility), "contextWidth");
ActualLabelWidthGetter = EmitUtilities.CreateStaticFieldGetter <float>(typeof(EditorGUIUtility).GetField("s_LabelWidth", Flags.AllMembers));
//ActualLabelWidthSetter = EmitUtilities.CreateStaticFieldSetter<float>(typeof(EditorGUIUtility).GetField("s_LabelWidth", Flags.AllMembers));
var guiViewGetter = DeepReflection.CreateWeakStaticValueGetter(guiViewType, guiViewType, "current");
var actualViewGetter = DeepReflection.CreateWeakInstanceValueGetter <EditorWindow>(hostViewType, "actualView");
var borderSizeGetter = DeepReflection.CreateWeakInstanceValueGetter <RectOffset>(hostViewType, "borderSize");
CurrentWindowGetter = () => actualViewGetter(guiViewGetter());
CurrentWindowBorderSizeGetter = () => borderSizeGetter(guiViewGetter());
SetBoldDefaultFontSetter = (Action <bool>)Delegate.CreateDelegate(typeof(Action <bool>),
typeof(EditorGUIUtility).FindMember()
.IsStatic()
.IsMethod()
.HasParameters <bool>()
.ReturnsVoid()
.IsNamed("SetBoldDefaultFont")
.GetMember <MethodInfo>(), true);
GetBoldDefaultFontGetter = (Func <bool>)Delegate.CreateDelegate(typeof(Func <bool>),
typeof(EditorGUIUtility).FindMember()
.IsStatic()
.IsMethod()
.HasNoParameters()
.HasReturnType <bool>()
.IsNamed("GetBoldDefaultFont")
.GetMember <MethodInfo>(), true);
GUILayoutEntriesCursorIndexGetter = DeepReflection.CreateValueGetter <int>(typeof(GUILayoutUtility), "current.topLevel.m_Cursor");
GUILayoutEntriesGetter = DeepReflection.CreateValueGetter <IList>(typeof(GUILayoutUtility), "current.topLevel.entries");
CurrentIndentAmountGetter = DeepReflection.CreateValueGetter <float>(typeof(EditorGUI), "indent");
GetTopLevelLayoutRectGetter = DeepReflection.CreateValueGetter <Rect>(typeof(GUILayoutUtility), "current.topLevel.rect");
GetEditorWindowRectGetter = DeepReflection.CreateValueGetter <Rect>(typeof(Editor).Assembly.GetType("UnityEditor.Toolbar"), "get.parent.screenPosition");
}
/// <summary>
/// Initializes this instance.
/// </summary>
protected override void Initialize()
{
this.hideDetailedMessage = true;
this.messageHelper = new StringMemberHelper(this.Property, this.Attribute.Message);
this.detailsHelper = new StringMemberHelper(this.Property, this.Attribute.Details);
this.errorMessage = this.messageHelper.ErrorMessage ?? this.detailsHelper.ErrorMessage;
if (this.Attribute.VisibleIf != null)
{
MemberInfo memberInfo;
// Parameter functions
if (this.Property.ValueEntry != null && this.Property.ParentType.FindMember()
.IsMethod()
.HasReturnType <bool>()
.HasParameters(this.Property.ValueEntry.BaseValueType)
.IsNamed(this.Attribute.VisibleIf)
.TryGetMember(out memberInfo, out this.errorMessage))
{
if (this.errorMessage == null)
{
if (memberInfo is MethodInfo)
{
var method = memberInfo as MethodInfo;
if (memberInfo.IsStatic())
{
// TODO: Emit dis.
this.staticValidationParameterMethodCaller = p => (bool)method.Invoke(null, new object[] { p });
}
else
{
// TODO: Emit dis.
this.instanceValidationParameterMethodCaller = (i, p) => (bool)method.Invoke(i, new object[] { p });
}
}
else
{
this.errorMessage = "Invalid member type!";
}
}
}
// Fields, properties, and no-parameter functions.
else if (this.Property.ParentType.FindMember()
.HasReturnType <bool>()
.HasNoParameters()
.IsNamed(this.Attribute.VisibleIf)
.TryGetMember(out memberInfo, out this.errorMessage))
{
if (this.errorMessage == null)
{
if (memberInfo is FieldInfo)
{
if (memberInfo.IsStatic())
{
this.staticValidationCaller = EmitUtilities.CreateStaticFieldGetter <bool>(memberInfo as FieldInfo);
}
else
{
this.instanceValueGetter = EmitUtilities.CreateWeakInstanceFieldGetter(this.Property.ParentType, memberInfo as FieldInfo);
}
}
else if (memberInfo is PropertyInfo)
{
if (memberInfo.IsStatic())
{
this.staticValidationCaller = EmitUtilities.CreateStaticPropertyGetter <bool>(memberInfo as PropertyInfo);
}
else
{
this.instanceValueGetter = EmitUtilities.CreateWeakInstancePropertyGetter(this.Property.ParentType, memberInfo as PropertyInfo);
}
}
else if (memberInfo is MethodInfo)
{
if (memberInfo.IsStatic())
{
this.staticValidationCaller = (Func <bool>)Delegate.CreateDelegate(typeof(Func <bool>), memberInfo as MethodInfo);
}
else
{
this.instanceValidationMethodCaller = EmitUtilities.CreateWeakInstanceMethodCallerFunc <bool>(memberInfo as MethodInfo);
}
}
else
{
this.errorMessage = "Invalid member type!";
}
}
}
}
}
