PO/Library/PackageCache/com.unity.timeline@1.4.8/Editor/Signals/SignalReceiverInspector.cs

117 lines
3.7 KiB
C#

using UnityEngine;
using UnityObject = UnityEngine.Object;
using UnityEditor.IMGUI.Controls;
using UnityEngine.Events;
using UnityEngine.Timeline;
namespace UnityEditor.Timeline.Signals
{
[CustomEditor(typeof(SignalReceiver))]
class SignalReceiverInspector : Editor
{
SignalReceiver m_Target;
[SerializeField] TreeViewState m_TreeState;
[SerializeField] MultiColumnHeaderState m_MultiColumnHeaderState;
internal SignalReceiverTreeView m_TreeView;
SignalEmitter signalEmitterContext
{
get { return m_Context as SignalEmitter;}
}
void OnEnable()
{
m_Target = target as SignalReceiver;
InitTreeView(serializedObject);
Undo.undoRedoPerformed += OnUndoRedo;
}
void OnDisable()
{
Undo.undoRedoPerformed -= OnUndoRedo;
}
void OnUndoRedo()
{
m_TreeView.dirty = true;
}
public override void OnInspectorGUI()
{
serializedObject.Update();
using (var changeCheck = new EditorGUI.ChangeCheckScope())
{
m_TreeView.RefreshIfDirty();
DrawEmitterControls(); // Draws buttons coming from the Context (SignalEmitter)
EditorGUILayout.Space();
m_TreeView.Draw();
if (signalEmitterContext == null)
DrawAddRemoveButtons();
if (changeCheck.changed)
{
serializedObject.ApplyModifiedProperties();
m_TreeView.dirty = true;
}
}
}
void DrawEmitterControls()
{
var context = signalEmitterContext;
if (context != null)
{
var currentSignal = context.asset;
if (currentSignal != null && !m_Target.IsSignalAssetHandled(currentSignal))
{
EditorGUILayout.Separator();
var message = string.Format(Styles.NoReaction, currentSignal.name);
SignalUtility.DrawCenteredMessage(message);
if (SignalUtility.DrawCenteredButton(Styles.AddReactionButton))
m_Target.AddNewReaction(currentSignal); // Add reaction on the first
EditorGUILayout.Separator();
}
}
}
internal void SetAssetContext(SignalAsset asset)
{
m_TreeView.SetSignalContext(asset);
}
void DrawAddRemoveButtons()
{
using (new GUILayout.HorizontalScope())
{
GUILayout.FlexibleSpace();
if (GUILayout.Button(Styles.AddReactionButton))
{
Undo.RecordObject(m_Target, Styles.UndoAddReaction);
m_Target.AddEmptyReaction(new UnityEvent());
PrefabUtility.RecordPrefabInstancePropertyModifications(m_Target);
}
GUILayout.Space(18.0f);
}
}
void InitTreeView(SerializedObject so)
{
m_TreeState = SignalListFactory.CreateViewState();
m_MultiColumnHeaderState = SignalListFactory.CreateHeaderState();
var header = SignalListFactory.CreateHeader(m_MultiColumnHeaderState, SignalReceiverUtility.headerHeight);
var context = signalEmitterContext;
m_TreeView = SignalListFactory.CreateSignalInspectorList(m_TreeState, header, m_Target, so);
m_TreeView.readonlySignals = context != null;
if (context != null)
m_TreeView.SetSignalContext(context.asset);
}
}
}