271 lines
11 KiB
C#
271 lines
11 KiB
C#
using System;
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
using System.Reflection;
|
|
using UnityEngine;
|
|
using UnityEngine.Profiling;
|
|
using UnityEngine.EventSystems;
|
|
|
|
namespace UnityEditor.Events
|
|
{
|
|
[CustomPreview(typeof(GameObject))]
|
|
/// <summary>
|
|
/// Custom preview drawing that will draw the intercepted events of a given object.
|
|
/// </summary>
|
|
class InterceptedEventsPreview : ObjectPreview
|
|
{
|
|
protected class ComponentInterceptedEvents
|
|
{
|
|
public GUIContent componentName;
|
|
public int[] interceptedEvents;
|
|
}
|
|
|
|
class Styles
|
|
{
|
|
public GUIStyle labelStyle = new GUIStyle(EditorStyles.label);
|
|
public GUIStyle componentName = new GUIStyle(EditorStyles.boldLabel);
|
|
|
|
public Styles()
|
|
{
|
|
Color fontColor = new Color(0.7f, 0.7f, 0.7f);
|
|
labelStyle.padding.right += 20;
|
|
labelStyle.normal.textColor = fontColor;
|
|
labelStyle.active.textColor = fontColor;
|
|
labelStyle.focused.textColor = fontColor;
|
|
labelStyle.hover.textColor = fontColor;
|
|
labelStyle.onNormal.textColor = fontColor;
|
|
labelStyle.onActive.textColor = fontColor;
|
|
labelStyle.onFocused.textColor = fontColor;
|
|
labelStyle.onHover.textColor = fontColor;
|
|
|
|
componentName.normal.textColor = fontColor;
|
|
componentName.active.textColor = fontColor;
|
|
componentName.focused.textColor = fontColor;
|
|
componentName.hover.textColor = fontColor;
|
|
componentName.onNormal.textColor = fontColor;
|
|
componentName.onActive.textColor = fontColor;
|
|
componentName.onFocused.textColor = fontColor;
|
|
componentName.onHover.textColor = fontColor;
|
|
}
|
|
}
|
|
|
|
private Dictionary<GameObject, List<ComponentInterceptedEvents>> m_TargetEvents;
|
|
private bool m_InterceptsAnyEvent = false;
|
|
private GUIContent m_Title;
|
|
private Styles m_Styles = new Styles();
|
|
|
|
public override void Initialize(UnityEngine.Object[] targets)
|
|
{
|
|
Profiler.BeginSample("ComponentInterceptedEvents.Initialize");
|
|
|
|
base.Initialize(targets);
|
|
m_TargetEvents = new Dictionary<GameObject, List<ComponentInterceptedEvents>>(targets.Length);
|
|
m_InterceptsAnyEvent = false;
|
|
for (int i = 0; i < targets.Length; ++i)
|
|
{
|
|
GameObject go = targets[i] as GameObject;
|
|
List<ComponentInterceptedEvents> interceptedEvents = GetEventsInfo(go);
|
|
m_TargetEvents.Add(go, interceptedEvents);
|
|
if (interceptedEvents.Any())
|
|
m_InterceptsAnyEvent = true;
|
|
}
|
|
Profiler.EndSample();
|
|
}
|
|
|
|
public override GUIContent GetPreviewTitle()
|
|
{
|
|
if (m_Title == null)
|
|
{
|
|
m_Title = EditorGUIUtility.TrTextContent("Intercepted Events");
|
|
}
|
|
return m_Title;
|
|
}
|
|
|
|
public override bool HasPreviewGUI()
|
|
{
|
|
return m_TargetEvents != null && m_InterceptsAnyEvent;
|
|
}
|
|
|
|
public override void OnPreviewGUI(Rect r, GUIStyle background)
|
|
{
|
|
if (Event.current.type != EventType.Repaint)
|
|
return;
|
|
Profiler.BeginSample("InterceptedEventsPreview.OnPreviewGUI");
|
|
|
|
|
|
if (m_Styles == null)
|
|
m_Styles = new Styles();
|
|
|
|
Vector2 maxEventLabelSize = Vector2.zero;
|
|
int totalInterceptedEvents = 0;
|
|
|
|
List<ComponentInterceptedEvents> componentIncerceptedEvents = m_TargetEvents[target as GameObject];
|
|
|
|
// Find out the maximum size needed for any given label.
|
|
foreach (ComponentInterceptedEvents componentInterceptedEvents in componentIncerceptedEvents)
|
|
{
|
|
foreach (int eventIndex in componentInterceptedEvents.interceptedEvents)
|
|
{
|
|
GUIContent eventContent = s_PossibleEvents[eventIndex];
|
|
++totalInterceptedEvents;
|
|
Vector2 labelSize = m_Styles.labelStyle.CalcSize(eventContent);
|
|
if (maxEventLabelSize.x < labelSize.x)
|
|
{
|
|
maxEventLabelSize.x = labelSize.x;
|
|
}
|
|
if (maxEventLabelSize.y < labelSize.y)
|
|
{
|
|
maxEventLabelSize.y = labelSize.y;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Apply padding
|
|
RectOffset previewPadding = new RectOffset(-5, -5, -5, -5);
|
|
r = previewPadding.Add(r);
|
|
|
|
// Figure out how many rows and columns we can/should have
|
|
int columns = Mathf.Max(Mathf.FloorToInt(r.width / maxEventLabelSize.x), 1);
|
|
int rows = Mathf.Max(totalInterceptedEvents / columns, 1) + componentIncerceptedEvents.Count;
|
|
|
|
// Centering
|
|
float initialX = r.x + Mathf.Max(0, (r.width - (maxEventLabelSize.x * columns)) / 2);
|
|
float initialY = r.y + Mathf.Max(0, (r.height - (maxEventLabelSize.y * rows)) / 2);
|
|
|
|
Rect labelRect = new Rect(initialX, initialY, maxEventLabelSize.x, maxEventLabelSize.y);
|
|
int currentColumn = 0;
|
|
foreach (ComponentInterceptedEvents componentInterceptedEvents in componentIncerceptedEvents)
|
|
{
|
|
GUI.Label(labelRect, componentInterceptedEvents.componentName, m_Styles.componentName);
|
|
labelRect.y += labelRect.height;
|
|
labelRect.x = initialX;
|
|
foreach (int eventIndex in componentInterceptedEvents.interceptedEvents)
|
|
{
|
|
GUIContent eventContent = s_PossibleEvents[eventIndex];
|
|
GUI.Label(labelRect, eventContent, m_Styles.labelStyle);
|
|
if (currentColumn < columns - 1)
|
|
{
|
|
labelRect.x += labelRect.width;
|
|
}
|
|
else
|
|
{
|
|
labelRect.y += labelRect.height;
|
|
labelRect.x = initialX;
|
|
}
|
|
|
|
currentColumn = (currentColumn + 1) % columns;
|
|
}
|
|
|
|
if (labelRect.x != initialX)
|
|
{
|
|
labelRect.y += labelRect.height;
|
|
labelRect.x = initialX;
|
|
}
|
|
}
|
|
Profiler.EndSample();
|
|
}
|
|
|
|
//Lookup cache to avoid recalculating which types uses which events:
|
|
//Caches all interfaces that inherit from IEventSystemHandler
|
|
static List<Type> s_EventSystemInterfaces = null;
|
|
//Caches all GUIContents in a single list to avoid creating too much GUIContent and strings.
|
|
private static List<GUIContent> s_PossibleEvents = null;
|
|
//Caches all events used by each interface
|
|
static Dictionary<Type, List<int>> s_InterfaceEventSystemEvents = null;
|
|
//Caches each concrete type and it's events
|
|
static readonly Dictionary<Type, ComponentInterceptedEvents> s_ComponentEvents2 = new Dictionary<Type, ComponentInterceptedEvents>();
|
|
|
|
|
|
protected static List<ComponentInterceptedEvents> GetEventsInfo(GameObject gameObject)
|
|
{
|
|
InitializeEvetnsInterfaceCacheIfNeeded();
|
|
|
|
List<ComponentInterceptedEvents> componentEvents = new List<ComponentInterceptedEvents>();
|
|
|
|
MonoBehaviour[] mbs = gameObject.GetComponents<MonoBehaviour>();
|
|
|
|
for (int i = 0, imax = mbs.Length; i < imax; ++i)
|
|
{
|
|
ComponentInterceptedEvents componentEvent = null;
|
|
|
|
MonoBehaviour mb = mbs[i];
|
|
if (mb == null)
|
|
continue;
|
|
|
|
Type type = mb.GetType();
|
|
|
|
if (!s_ComponentEvents2.ContainsKey(type))
|
|
{
|
|
List<int> events = null;
|
|
Profiler.BeginSample("ComponentInterceptedEvents.GetEventsInfo.NewType");
|
|
if (typeof(IEventSystemHandler).IsAssignableFrom(type))
|
|
{
|
|
for (int index = 0; index < s_EventSystemInterfaces.Count; index++)
|
|
{
|
|
var eventInterface = s_EventSystemInterfaces[index];
|
|
if (!eventInterface.IsAssignableFrom(type))
|
|
continue;
|
|
|
|
if (events == null)
|
|
events = new List<int>();
|
|
|
|
events.AddRange(s_InterfaceEventSystemEvents[eventInterface]);
|
|
}
|
|
}
|
|
|
|
if (events != null)
|
|
{
|
|
componentEvent = new ComponentInterceptedEvents();
|
|
componentEvent.componentName = new GUIContent(type.Name);
|
|
componentEvent.interceptedEvents = events.OrderBy(index => s_PossibleEvents[index].text).ToArray();
|
|
}
|
|
s_ComponentEvents2.Add(type, componentEvent);
|
|
|
|
Profiler.EndSample();
|
|
}
|
|
else
|
|
{
|
|
componentEvent = s_ComponentEvents2[type];
|
|
}
|
|
|
|
|
|
if (componentEvent != null)
|
|
{
|
|
componentEvents.Add(componentEvent);
|
|
}
|
|
}
|
|
|
|
return componentEvents;
|
|
}
|
|
|
|
private static void InitializeEvetnsInterfaceCacheIfNeeded()
|
|
{
|
|
if (s_EventSystemInterfaces != null)
|
|
return;
|
|
|
|
s_EventSystemInterfaces = new List<Type>();
|
|
s_PossibleEvents = new List<GUIContent>();
|
|
s_InterfaceEventSystemEvents = new Dictionary<Type, List<int>>();
|
|
|
|
TypeCache.TypeCollection types = TypeCache.GetTypesDerivedFrom<IEventSystemHandler>();
|
|
foreach (var type in types)
|
|
{
|
|
if (!type.IsInterface)
|
|
continue;
|
|
|
|
s_EventSystemInterfaces.Add(type);
|
|
List<int> eventIndexList = new List<int>();
|
|
|
|
MethodInfo[] methodInfos = type.GetMethods(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
|
|
for (int mi = 0; mi < methodInfos.Length; mi++)
|
|
{
|
|
MethodInfo methodInfo = methodInfos[mi];
|
|
eventIndexList.Add(s_PossibleEvents.Count);
|
|
s_PossibleEvents.Add(new GUIContent(methodInfo.Name));
|
|
}
|
|
s_InterfaceEventSystemEvents.Add(type, eventIndexList);
|
|
}
|
|
}
|
|
}
|
|
}
|