public void CreateInspectorElement()
{
if (null == editor || null != m_InspectorElement || m_IsCulled)
{
return;
}
// Need to update the cache for multi-object edit detection.
if (editor.targets.Length != Selection.objects.Length)
{
inspectorWindow.tracker.RebuildIfNecessary();
}
// If the editor targets contain many targets and multi editing is not supported, we should not add this inspector.
if (null != editor && (editor.targets.Length <= 1 || PropertyEditor.IsMultiEditingSupported(editor, editor.target, inspectorWindow.inspectorMode)))
{
m_InspectorElement = BuildInspectorElement();
Insert(IndexOf(m_Header) + 1, m_InspectorElement);
UpdateInspectorVisibility();
SetElementVisible(m_InspectorElement, m_WasVisible);
}
}
void HeaderOnGUI()
{
var editors = PopulateCache();
if (!IsEditorValid())
{
if (m_InspectorElement != null)
{
SetElementVisible(m_InspectorElement, false);
}
return;
}
// Avoid drawing editor if native target object is not alive, unless it's a MonoBehaviour/ScriptableObject
// We want to draw the generic editor with a warning about missing/invalid script
// Case 891450:
// - ActiveEditorTracker will automatically create editors for materials of components on tracked game objects
// - UnityEngine.UI.Mask will destroy this material in OnDisable (e.g. disabling it with the checkbox) causing problems when drawing the material editor
var target = editor.target;
if (target == null && !NativeClassExtensionUtilities.ExtendsANativeType(target))
{
if (m_InspectorElement != null)
{
SetElementVisible(m_InspectorElement, false);
}
return;
}
// Active polling of "open for edit" changes.
// If the header is moving to UI Toolkit, we may have to rely on a scheduler instead.
if (editor != null)
{
bool openForEdit = editor.IsOpenForEdit();
if (openForEdit != m_LastOpenForEdit)
{
m_LastOpenForEdit = openForEdit;
m_InspectorElement?.SetEnabled(openForEdit);
}
}
m_WasVisible = inspectorWindow.WasEditorVisible(editors, m_EditorIndex, target);
GUIUtility.GetControlID(target.GetInstanceID(), FocusType.Passive);
EditorGUIUtility.ResetGUIState();
if (editor.target is AssetImporter)
{
inspectorWindow.editorsWithImportedObjectLabel.Add(m_EditorIndex + 1);
}
//set the current PropertyHandlerCache to the current editor
ScriptAttributeUtility.propertyHandlerCache = editor.propertyHandlerCache;
using (new InspectorWindowUtils.LayoutGroupChecker())
{
m_DragRect = DrawEditorHeader(editors, target, ref m_WasVisible);
}
if (GUI.changed)
{
// If the header changed something, we must trigger a layout calculating on imgui children
// Fixes Material editor toggling layout issues (case 1148706)
InvalidateIMGUILayouts(this);
}
if (m_InspectorElement != null && m_WasVisible != IsElementVisible(m_InspectorElement))
{
SetElementVisible(m_InspectorElement, m_WasVisible);
}
UpdateInspectorVisibility();
var multiEditingSupported = PropertyEditor.IsMultiEditingSupported(editor, target, inspectorWindow.inspectorMode);
if (!multiEditingSupported && m_WasVisible)
{
GUILayout.Label("Multi-object editing not supported.", EditorStyles.helpBox);
return;
}
InspectorWindowUtils.DisplayDeprecationMessageIfNecessary(editor);
// Reset dirtiness when repainting
if (Event.current.type == EventType.Repaint)
{
editor.isInspectorDirty = false;
}
// Case 1359247:
// Object might have been unloaded. Calling into native code down here will crash the editor.
if (editor.target != null)
{
bool excludedClass = InspectorWindowUtils.IsExcludedClass(target);
if (excludedClass)
{
EditorGUILayout.HelpBox(
"The module which implements this component type has been force excluded in player settings. This object will be removed in play mode and from any builds you make.",
MessageType.Warning);
}
}
if (m_WasVisible)
{
m_ContentRect = m_InspectorElement?.layout ?? Rect.zero;
}
else
{
Rect r = m_Header.layout;
r.y = r.y + r.height - 1;
r.height = kFooterDefaultHeight;
m_ContentRect = r;
}
}