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Added basic ArrayEditor

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This commit is contained in:
Simon Lübeß
2023-12-31 17:10:17 +01:00
parent ed3884e30e
commit beb696ee5d
1 changed files with 84 additions and 16 deletions
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ScriptCore/Editor/EntityEditor.cs
+84 -16
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@@ -223,7 +223,7 @@ internal class EntityEditor
}
else if (fieldType.IsArray)
{
ImGui.Text($"{fieldName} Array");
newValue = ShowArrayEditor(fieldType, reference, fieldName);
}
else if (fieldType.IsEnum)
{
@@ -587,13 +587,90 @@ internal class EntityEditor
public int Element;
}
private static object ShowListEditor(Type fieldType, object list, string fieldName)
private static object ShowListEditor(Type fieldType, object fieldValue, string fieldName)
{
Type elementType = fieldType.GenericTypeArguments[0];
void AddElement(IList list, ref object newList)
{
if (list == null)
{
newList = Activator.CreateInstance(fieldType);
list = newList as IList;
Debug.Assert(list != null);
}
object newElement = ActivatorExtension.CreateInstanceSafe(elementType);
list.Add(newElement);
}
void RemoveElement(IList list, ref object newList)
{
list.RemoveAt(list.Count - 1);
}
return ShowGenericListEditor(fieldType, elementType, (IEnumerable)fieldValue, fieldName,
AddElement, RemoveElement);
}
private static object ShowArrayEditor(Type fieldType, object fieldValue, string fieldName)
{
Debug.Assert(fieldType.IsArray);
Type elementType = fieldType.GetElementType();
Debug.Assert(elementType != null);
Array myArray = fieldValue as Array;
if (myArray?.Rank > 1)
{
throw new NotImplementedException("Multidimensional arrays are not yet supported.");
}
void AddElement(IList list, ref object newList)
{
int newIndex = 0;
if (list == null)
{
newList = Array.CreateInstance(elementType, 1);
}
else
{
newIndex = list.Count;
Array newArray = Array.CreateInstance(elementType, list.Count + 1);
Array.Copy((Array)list, newArray, newArray.Length);
newList = newArray;
}
object newElement = Activator.CreateInstance(elementType);
((IList)newList)[newIndex] = newElement;
}
void RemoveElement(IList list, ref object newList)
{
Array newArray = Array.CreateInstance(elementType, list.Count - 1);
Array.Copy((Array)list, newArray, newArray.Length);
newList = newArray;
}
return ShowGenericListEditor(fieldType, elementType, (IEnumerable)fieldValue, fieldName,
AddElement, RemoveElement);
}
public delegate void ModifyList(IList currentList, ref object oldList);
private static object ShowGenericListEditor(Type listType, Type elementType, IEnumerable list, string fieldName,
ModifyList addElement, ModifyList removeElement)
{
object newList = DidNotChange;
IList myList = list as IList;
Type elementType = fieldType.GenericTypeArguments[0];
// The buttons should always be visible -> save whether the node is open
// If we have no instance, the user shouldn't be able to open the list
bool listOpen = ImGui.TreeNodeEx(fieldName, ImGuiTreeNodeFlags.AllowOverlap | ImGuiTreeNodeFlags.SpanFullWidth |
@@ -609,16 +686,7 @@ internal class EntityEditor
if (ImGui.SmallButton("+"))
{
if (myList == null)
{
newList = Activator.CreateInstance(fieldType);
myList = newList as IList;
Debug.Assert(myList != null);
}
object newElement = Activator.CreateInstance(elementType);
myList.Add(newElement);
addElement(myList, ref newList);
}
ImGuiExtension.AttachTooltip("Add a new Element at the end of the list.");
@@ -629,7 +697,7 @@ internal class EntityEditor
if (ImGui.SmallButton("-"))
{
myList!.RemoveAt(myList.Count - 1);
removeElement(myList, ref newList);
}
ImGuiExtension.AttachTooltip("Remove the last Element from the list.");
@@ -728,7 +796,7 @@ internal class EntityEditor
ImGui.SameLine();
object newValue = ShowFieldEditor(element, element.GetType(), $"Element {i}");
object newValue = ShowFieldEditor(element, element?.GetType() ?? elementType, $"Element {i}");
// Don't apply changes, when the order changed
if (newValue != DidNotChange && !orderChanged)