protected override void PopulateContextMenu(GenericMenu menu, OverrideState overrideState, IExposedPropertyTable exposedPropertyTable, SerializedProperty exposedName, SerializedProperty defaultValue)
{
var propertyName = new PropertyName(exposedName.stringValue);
OverrideState currentOverrideState;
UnityEngine.Object currentValue = Resolve(new PropertyName(exposedName.stringValue), exposedPropertyTable, defaultValue.objectReferenceValue, out currentOverrideState);
if (overrideState == OverrideState.DefaultValue)
{
menu.AddItem(new GUIContent(ExposePropertyContent.text), false, (userData) =>
{
var guid = UnityEditor.GUID.Generate();
exposedName.stringValue = guid.ToString();
exposedName.serializedObject.ApplyModifiedProperties();
var newPropertyName = new PropertyName(exposedName.stringValue);
Undo.RecordObject(exposedPropertyTable as Object, "Set Exposed Property");
exposedPropertyTable.SetReferenceValue(newPropertyName, currentValue);
}, null);
}
else
{
menu.AddItem(UnexposePropertyContent, false, (userData) =>
{
exposedName.stringValue = "";
exposedName.serializedObject.ApplyModifiedProperties();
Undo.RecordObject(exposedPropertyTable as Object, "Clear Exposed Property");
exposedPropertyTable.ClearReferenceValue(propertyName);
}, null);
}
}
public override void OnGUI(Rect position, SerializedProperty prop, GUIContent label)
{
SerializedProperty serializedProperty = prop.FindPropertyRelative("defaultValue");
SerializedProperty serializedProperty2 = prop.FindPropertyRelative("exposedName");
string stringValue = serializedProperty2.stringValue;
ExposedPropertyMode exposedPropertyMode = GetExposedPropertyMode(stringValue);
Rect rect = position;
rect.xMax -= kDriveWidgetWidth;
Rect position2 = position;
position2.x = rect.xMax;
position2.width = kDriveWidgetWidth;
IExposedPropertyTable exposedPropertyTable = GetExposedPropertyTable(prop);
bool flag = exposedPropertyTable != null;
PropertyName propertyName = new PropertyName(stringValue);
OverrideState currentOverrideState = OverrideState.DefaultValue;
Object currentReferenceValue = Resolve(propertyName, exposedPropertyTable,
serializedProperty.objectReferenceValue, out currentOverrideState);
Color color = GUI.color;
//bool boldDefaultFont = false;//EditorGUIUtility.GetBoldDefaultFont();
Rect position3 = DrawLabel(flag, currentOverrideState, label, position, exposedPropertyTable, stringValue,
serializedProperty2, serializedProperty);
if (exposedPropertyMode == ExposedPropertyMode.DefaultValue ||
exposedPropertyMode == ExposedPropertyMode.NamedGUID)
{
OnRenderProperty(position3, propertyName, currentReferenceValue, serializedProperty,
serializedProperty2, exposedPropertyMode, exposedPropertyTable);
}
else
{
position3.width /= 2f;
EditorGUI.BeginChangeCheck();
stringValue = EditorGUI.TextField(position3, stringValue);
if (EditorGUI.EndChangeCheck())
{
serializedProperty2.stringValue = stringValue;
}
position3.x += position3.width;
OnRenderProperty(position3, new PropertyName(stringValue), currentReferenceValue, serializedProperty,
serializedProperty2, exposedPropertyMode, exposedPropertyTable);
}
GUI.color = color;
//EditorGUIUtility.SetBoldDefaultFont(boldDefaultFont);
if (flag && GUI.Button(position2, GUIContent.none, kDropDownStyle))
{
GenericMenu genericMenu = new GenericMenu();
PopulateContextMenu(genericMenu, currentOverrideState, exposedPropertyTable, serializedProperty2,
serializedProperty);
genericMenu.ShowAsContext();
Event.current.Use();
}
}
private Rect DrawLabel(bool showContextMenu, OverrideState currentOverrideState, GUIContent label,
Rect position, IExposedPropertyTable exposedPropertyTable, string exposedNameStr,
SerializedProperty exposedName, SerializedProperty defaultValue)
{
if (showContextMenu)
{
position.xMax -= kDriveWidgetWidth;
}
//EditorGUIUtility.SetBoldDefaultFont(currentOverrideState != OverrideState.DefaultValue);
m_ModifiedLabel.text = label.text;
m_ModifiedLabel.tooltip = label.tooltip;
m_ModifiedLabel.image = label.image;
if (!string.IsNullOrEmpty(m_ModifiedLabel.tooltip))
{
m_ModifiedLabel.tooltip += "\n";
}
if (currentOverrideState == OverrideState.MissingOverride)
{
GUI.color = kMissingOverrideColor;
GUIContent modifiedLabel = m_ModifiedLabel;
modifiedLabel.tooltip = modifiedLabel.tooltip + label.text + " " + NotFoundOn.text + " " +
exposedPropertyTable + ".";
}
else if (currentOverrideState == OverrideState.Overridden && exposedPropertyTable != null)
{
GUIContent modifiedLabel = m_ModifiedLabel;
modifiedLabel.tooltip = modifiedLabel.tooltip + OverridenByContent.text + exposedPropertyTable + ".";
}
Rect result = EditorGUI.PrefixLabel(position, m_ModifiedLabel, EditorStyles.boldLabel);
if (exposedPropertyTable != null && Event.current.type == EventType.ContextClick &&
position.Contains(Event.current.mousePosition))
{
GenericMenu genericMenu = new GenericMenu();
PopulateContextMenu(genericMenu,
(!string.IsNullOrEmpty(exposedNameStr)) ? OverrideState.Overridden : OverrideState.DefaultValue,
exposedPropertyTable, exposedName, defaultValue);
genericMenu.ShowAsContext();
}
return(result);
}
Rect DrawLabel(bool showContextMenu, OverrideState currentOverrideState, GUIContent label, Rect position, IExposedPropertyTable exposedPropertyTable, string exposedNameStr, SerializedProperty exposedName, SerializedProperty defaultValue)
{
if (showContextMenu)
{
position.xMax = position.xMax - ExposedReferencePropertyDrawer.kDriveWidgetWidth;
}
EditorGUIUtility.SetBoldDefaultFont(currentOverrideState != OverrideState.DefaultValue);
m_ModifiedLabel.text = label.text;
m_ModifiedLabel.tooltip = label.tooltip;
m_ModifiedLabel.image = label.image;
if (!string.IsNullOrEmpty(m_ModifiedLabel.tooltip))
{
m_ModifiedLabel.tooltip += "\n";
}
if (currentOverrideState == OverrideState.MissingOverride)
{
GUI.color = kMissingOverrideColor;
m_ModifiedLabel.tooltip += label.text + " " + NotFoundOn.text + " " + exposedPropertyTable + ".";
}
else if (currentOverrideState == OverrideState.Overridden && exposedPropertyTable != null)
{
m_ModifiedLabel.tooltip += OverridenByContent.text + exposedPropertyTable + ".";
}
var prefixRect = EditorGUI.PrefixLabel(position, m_ModifiedLabel);
// Show contextual menu
if (exposedPropertyTable != null && Event.current.type == EventType.ContextClick)
{
if (position.Contains(Event.current.mousePosition))
{
GenericMenu menu = new GenericMenu();
PopulateContextMenu(menu, string.IsNullOrEmpty(exposedNameStr) ? OverrideState.DefaultValue : OverrideState.Overridden, exposedPropertyTable, exposedName, defaultValue);
menu.ShowAsContext();
}
}
return(prefixRect);
}
protected Object Resolve(PropertyName exposedPropertyName, IExposedPropertyTable exposedPropertyTable,
Object defaultValue, out OverrideState currentOverrideState)
{
Object @object = null;
bool idValid = false;
bool flag = !PropertyName.IsNullOrEmpty(exposedPropertyName);
currentOverrideState = OverrideState.DefaultValue;
if (exposedPropertyTable != null)
{
@object = exposedPropertyTable.GetReferenceValue(exposedPropertyName, out idValid);
if (idValid)
{
currentOverrideState = OverrideState.Overridden;
}
else if (flag)
{
currentOverrideState = OverrideState.MissingOverride;
}
}
return((currentOverrideState == OverrideState.Overridden) ? @object : defaultValue);
}
public override void OnGUI(Rect position,
UnityEditor.SerializedProperty prop,
GUIContent label)
{
SerializedProperty defaultValue = prop.FindPropertyRelative("defaultValue");
SerializedProperty exposedName = prop.FindPropertyRelative("exposedName");
var exposedNameStr = exposedName.stringValue;
// 是默认值，GUID，还是名称
var propertyMode = GetExposedPropertyMode(exposedNameStr);
Rect propertyFieldPosition = position;
propertyFieldPosition.xMax = propertyFieldPosition.xMax - ExposedReferencePropertyDrawer.kDriveWidgetWidth;
Rect driveFieldPosition = position;
driveFieldPosition.x = propertyFieldPosition.xMax;
driveFieldPosition.width = ExposedReferencePropertyDrawer.kDriveWidgetWidth;
var exposedPropertyTable = GetExposedPropertyTable(prop);
bool showContextMenu = exposedPropertyTable != null;
var propertyName = new PropertyName(exposedNameStr);
OverrideState currentOverrideState = OverrideState.DefaultValue;
var currentReferenceValue = Resolve(propertyName, exposedPropertyTable, defaultValue.objectReferenceValue, out currentOverrideState);
var previousColor = GUI.color;
var wasBoldDefaultFont = EditorGUIUtility.GetBoldDefaultFont();
var valuePosition = DrawLabel(showContextMenu, currentOverrideState, label, position, exposedPropertyTable, exposedNameStr, exposedName, defaultValue);
if (propertyMode == ExposedPropertyMode.DefaultValue || propertyMode == ExposedPropertyMode.NamedGUID)
{
OnRenderProperty(valuePosition, propertyName, currentReferenceValue, defaultValue, exposedName, propertyMode, exposedPropertyTable);
}
else
{
valuePosition.width /= 2;
EditorGUI.BeginChangeCheck();
exposedNameStr = EditorGUI.TextField(valuePosition, exposedNameStr);
if (EditorGUI.EndChangeCheck())
{
exposedName.stringValue = exposedNameStr;
}
valuePosition.x += valuePosition.width;
OnRenderProperty(valuePosition, new PropertyName(exposedNameStr), currentReferenceValue, defaultValue, exposedName, propertyMode, exposedPropertyTable);
}
GUI.color = previousColor;
EditorGUIUtility.SetBoldDefaultFont(wasBoldDefaultFont);
if (showContextMenu && GUI.Button(driveFieldPosition, GUIContent.none, kDropDownStyle))
{
GenericMenu menu = new GenericMenu();
PopulateContextMenu(menu, currentOverrideState, exposedPropertyTable, exposedName, defaultValue);
menu.ShowAsContext();
Event.current.Use();
}
}
protected abstract void PopulateContextMenu(GenericMenu menu, OverrideState overrideState, IExposedPropertyTable exposedPropertyTable, SerializedProperty exposedName, SerializedProperty defaultValue);
protected Object Resolve(PropertyName exposedPropertyName, IExposedPropertyTable exposedPropertyTable, Object defaultValue, out OverrideState currentOverrideState)
{
Object objReference = null;
bool propertyFoundInTable = false;
var propertyIsNamed = !PropertyName.IsNullOrEmpty(exposedPropertyName);
currentOverrideState = OverrideState.DefaultValue;
if (exposedPropertyTable != null)
{
objReference = exposedPropertyTable.GetReferenceValue(exposedPropertyName, out propertyFoundInTable);
if (propertyFoundInTable)
{
currentOverrideState = OverrideState.Overridden;
}
else if (propertyIsNamed)
{
currentOverrideState = OverrideState.MissingOverride;
}
}
return(currentOverrideState == OverrideState.Overridden ? objReference : defaultValue);
}
protected virtual void SetOverrideValue(int stateIndex, ref OverrideState[] overrideState, OverrideState stateValue)
{
overrideState[stateIndex] = stateValue;
}