107 lines
4.8 KiB
C#
107 lines
4.8 KiB
C#
using System.Collections.Generic;
|
|
using UnityEngine;
|
|
using UnityEngine.UI;
|
|
|
|
namespace UnityEditor.UI
|
|
{
|
|
[CustomEditor(typeof(Scrollbar), true)]
|
|
[CanEditMultipleObjects]
|
|
/// <summary>
|
|
/// Custom Editor for the Scrollbar Component.
|
|
/// Extend this class to write a custom editor for a component derived from Scrollbar.
|
|
/// </summary>
|
|
public class ScrollbarEditor : SelectableEditor
|
|
{
|
|
SerializedProperty m_HandleRect;
|
|
SerializedProperty m_Direction;
|
|
SerializedProperty m_Value;
|
|
SerializedProperty m_Size;
|
|
SerializedProperty m_NumberOfSteps;
|
|
SerializedProperty m_OnValueChanged;
|
|
|
|
protected override void OnEnable()
|
|
{
|
|
base.OnEnable();
|
|
|
|
m_HandleRect = serializedObject.FindProperty("m_HandleRect");
|
|
m_Direction = serializedObject.FindProperty("m_Direction");
|
|
m_Value = serializedObject.FindProperty("m_Value");
|
|
m_Size = serializedObject.FindProperty("m_Size");
|
|
m_NumberOfSteps = serializedObject.FindProperty("m_NumberOfSteps");
|
|
m_OnValueChanged = serializedObject.FindProperty("m_OnValueChanged");
|
|
}
|
|
|
|
public override void OnInspectorGUI()
|
|
{
|
|
base.OnInspectorGUI();
|
|
EditorGUILayout.Space();
|
|
|
|
serializedObject.Update();
|
|
|
|
// EditorGUILayout.PropertyField(m_HandleRect);
|
|
EditorGUI.BeginChangeCheck();
|
|
RectTransform newRectTransform = EditorGUILayout.ObjectField("Handle Rect", m_HandleRect.objectReferenceValue, typeof(RectTransform), true) as RectTransform;
|
|
if (EditorGUI.EndChangeCheck())
|
|
{
|
|
// Handle Rect will modify its GameObject RectTransform drivenBy, so we need to Record the old and new RectTransform.
|
|
List<Object> modifiedObjects = new List<Object>();
|
|
modifiedObjects.Add(newRectTransform);
|
|
foreach (var target in m_HandleRect.serializedObject.targetObjects)
|
|
{
|
|
MonoBehaviour mb = target as MonoBehaviour;
|
|
if (mb == null)
|
|
continue;
|
|
|
|
modifiedObjects.Add(mb);
|
|
modifiedObjects.Add(mb.GetComponent<RectTransform>());
|
|
}
|
|
Undo.RecordObjects(modifiedObjects.ToArray(), "Change Handle Rect");
|
|
m_HandleRect.objectReferenceValue = newRectTransform;
|
|
}
|
|
|
|
if (m_HandleRect.objectReferenceValue != null)
|
|
{
|
|
EditorGUI.BeginChangeCheck();
|
|
EditorGUILayout.PropertyField(m_Direction);
|
|
if (EditorGUI.EndChangeCheck())
|
|
{
|
|
Scrollbar.Direction direction = (Scrollbar.Direction)m_Direction.enumValueIndex;
|
|
foreach (var obj in serializedObject.targetObjects)
|
|
{
|
|
Scrollbar scrollbar = obj as Scrollbar;
|
|
scrollbar.SetDirection(direction, true);
|
|
}
|
|
}
|
|
|
|
EditorGUILayout.PropertyField(m_Value);
|
|
EditorGUILayout.PropertyField(m_Size);
|
|
EditorGUILayout.PropertyField(m_NumberOfSteps);
|
|
|
|
bool warning = false;
|
|
foreach (var obj in serializedObject.targetObjects)
|
|
{
|
|
Scrollbar scrollbar = obj as Scrollbar;
|
|
Scrollbar.Direction dir = scrollbar.direction;
|
|
if (dir == Scrollbar.Direction.LeftToRight || dir == Scrollbar.Direction.RightToLeft)
|
|
warning = (scrollbar.navigation.mode != Navigation.Mode.Automatic && scrollbar.navigation.mode != Navigation.Mode.Horizontal && (scrollbar.FindSelectableOnLeft() != null || scrollbar.FindSelectableOnRight() != null));
|
|
else
|
|
warning = (scrollbar.navigation.mode != Navigation.Mode.Automatic && scrollbar.navigation.mode != Navigation.Mode.Vertical && (scrollbar.FindSelectableOnDown() != null || scrollbar.FindSelectableOnUp() != null));
|
|
}
|
|
|
|
if (warning)
|
|
EditorGUILayout.HelpBox("The selected scrollbar direction conflicts with navigation. Not all navigation options may work.", MessageType.Warning);
|
|
|
|
EditorGUILayout.Space();
|
|
// Draw the event notification options
|
|
EditorGUILayout.PropertyField(m_OnValueChanged);
|
|
}
|
|
else
|
|
{
|
|
EditorGUILayout.HelpBox("Specify a RectTransform for the scrollbar handle. It must have a parent RectTransform that the handle can slide within.", MessageType.Info);
|
|
}
|
|
|
|
serializedObject.ApplyModifiedProperties();
|
|
}
|
|
}
|
|
}
|