Skip to content

-add: support drag and drop to header list #92

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Closed
aprius wants to merge 1 commit into from
Closed

-add: support drag and drop to header list #92

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
131 changes: 131 additions & 0 deletions Editor/Elements/TriListElement.cs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -293,6 +293,137 @@ private void DrawHeaderCallback(Rect rect)

var label = _reorderableListGui.count == 0 ? "Empty" : $"{_reorderableListGui.count} items";
GUI.Label(arraySizeRect, label, Styles.ItemsCount);
var previousColor = GUI.color;
GUI.color = new Color(1f, 1f, 1f, 0f);
GUI.Box(rect, "", new GUIStyle());
GUI.color = previousColor;
var @event = Event.current;
switch (@event.type)
{
case EventType.DragUpdated:
case EventType.DragPerform:
if (rect.Contains(@event.mousePosition))
{
DragAndDrop.visualMode = DragAndDropVisualMode.Copy;
if (@event.type == EventType.DragPerform)
{
DragAndDrop.AcceptDrag();

foreach (var objectDrop in DragAndDrop.objectReferences)
{
var objDropType = objectDrop.GetType();
if (objDropType == _property.ArrayElementType || (objDropType == typeof(GameObject) && (_property.ArrayElementType == typeof(Transform) || _property.ArrayElementType.BaseType == typeof(MonoBehaviour))))
{
AddElementCallback(_reorderableListGui);

if (_property.TryGetSerializedProperty(out var x))
{
var element = x.GetArrayElementAtIndex(x.arraySize - 1);
element.objectReferenceValue = objectDrop;
if (element.objectReferenceValue == null)
{
Debug.LogWarning($"[Drag and Drop]: Object {objectDrop.name} has a data type that doesn't match with type of List <{_property.ArrayElementType}>");
RemoveElement(x, x.arraySize - 1);
}
_property.NotifyValueChanged();
}
}
}
}
}

break;
}
}

/// <summary>
///
/// </summary>
/// <param name="list"></param>
/// <param name="index"></param>
public static void RemoveElement(SerializedProperty list, int index)
{
if (list == null) throw new ArgumentNullException(nameof(list));

if (!list.isArray) throw new ArgumentException("Property is not an array");

if (index < 0 || index >= list.arraySize) throw new ArgumentOutOfRangeException(nameof(list));

SetPropertyValue(list.GetArrayElementAtIndex(index), null);

list.DeleteArrayElementAtIndex(index);

list.serializedObject.ApplyModifiedProperties();
}

public static void SetPropertyValue(SerializedProperty property, object value)
{
switch (property.propertyType)
{
case SerializedPropertyType.AnimationCurve:
property.animationCurveValue = value as AnimationCurve;
break;

case SerializedPropertyType.ArraySize:
property.intValue = System.Convert.ToInt32(value);
break;

case SerializedPropertyType.Boolean:
property.boolValue = System.Convert.ToBoolean(value);
break;

case SerializedPropertyType.Bounds:
property.boundsValue = (Bounds?) value ?? new Bounds();
break;

case SerializedPropertyType.Character:
property.intValue = System.Convert.ToInt32(value);
break;

case SerializedPropertyType.Color:
property.colorValue = (Color?) value ?? new Color();
break;

case SerializedPropertyType.Float:
property.floatValue = System.Convert.ToSingle(value);
break;

case SerializedPropertyType.Integer:
property.intValue = System.Convert.ToInt32(value);
break;

case SerializedPropertyType.LayerMask:
property.intValue = (value as LayerMask?)?.value ?? System.Convert.ToInt32(value);
break;

case SerializedPropertyType.ObjectReference:
property.objectReferenceValue = value as UnityEngine.Object;
break;

case SerializedPropertyType.Quaternion:
property.quaternionValue = (Quaternion?) value ?? Quaternion.identity;
break;

case SerializedPropertyType.Rect:
property.rectValue = (Rect?) value ?? new Rect();
break;

case SerializedPropertyType.String:
property.stringValue = value as string;
break;

case SerializedPropertyType.Vector2:
property.vector2Value = (Vector2?) value ?? Vector2.zero;
break;

case SerializedPropertyType.Vector3:
property.vector3Value = (Vector3?) value ?? Vector3.zero;
break;

case SerializedPropertyType.Vector4:
property.vector4Value = (Vector4?) value ?? Vector4.zero;
break;
}
}

private void DrawElementCallback(Rect rect, int index, bool isActive, bool isFocused)
Expand Down