// Handles gui layout
public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
{
// Return error
if (property.serializedObject == null)
{
string missingText = GetLocalizedText(property, LocalizedMissingKey);
WitEditorUI.LayoutErrorLabel(missingText);
return;
}
// Show foldout if desired
string titleText = GetLocalizedText(property, LocalizedTitleKey);
if (FoldoutEnabled)
{
property.isExpanded = WitEditorUI.LayoutFoldout(new GUIContent(titleText), property.isExpanded);
if (!property.isExpanded)
{
return;
}
}
// Show title only
else
{
WitEditorUI.LayoutLabel(titleText);
}
// Indent
GUILayout.BeginVertical();
EditorGUI.indentLevel++;
// Pre fields
OnGUIPreFields(position, property, label);
// Iterate all subfields
WitPropertyEditType editType = EditType;
const BindingFlags flags = BindingFlags.Public | BindingFlags.Instance;
Type fieldType = fieldInfo.FieldType;
if (fieldType.IsArray)
{
fieldType = fieldType.GetElementType();
}
FieldInfo[] subfields = fieldType.GetFields(flags);
for (int s = 0; s < subfields.Length; s++)
{
FieldInfo subfield = subfields[s];
if (ShouldLayoutField(property, subfield))
{
LayoutField(s, property, subfield, editType);
}
}
// Post fields
OnGUIPostFields(position, property, label);
// Undent
EditorGUI.indentLevel--;
GUILayout.EndVertical();
}
// Draw a specific property
protected virtual void LayoutField(int index, SerializedProperty property, FieldInfo subfield, WitPropertyEditType editType)
{
// Begin layout
GUILayout.BeginHorizontal();
// Get label content
string labelText = GetLocalizedText(property, subfield.Name);
GUIContent labelContent = new GUIContent(labelText);
// Determine if can edit
bool canEdit = editType == WitPropertyEditType.FreeEdit || (editType == WitPropertyEditType.LockEdit && editIndex == index);
bool couldEdit = GUI.enabled;
GUI.enabled = canEdit;
// Cannot edit, just show field
SerializedProperty subfieldProperty = property.FindPropertyRelative(subfield.Name);
if (!canEdit && subfieldProperty.type == "string")
{
// Get value text
string valText = subfieldProperty.stringValue;
if (string.IsNullOrEmpty(valText))
{
valText = GetDefaultFieldValue(property, subfield);
}
// Layout key
WitEditorUI.LayoutKeyLabel(labelText, valText);
}
// Can edit, allow edit
else
{
GUILayout.BeginVertical();
LayoutPropertyField(subfield, subfieldProperty, labelContent, canEdit);
GUILayout.EndVertical();
}
// Reset
GUI.enabled = couldEdit;
// Lock Settings
if (editType == WitPropertyEditType.LockEdit)
{
// Is Editing
if (editIndex == index)
{
// Clear Edit
if (WitEditorUI.LayoutIconButton(WitStyles.ResetIcon))
{
editIndex = -1;
string clearVal = "";
if (subfieldProperty.type != "string")
{
clearVal = GetDefaultFieldValue(property, subfield);
}
SetFieldStringValue(subfieldProperty, clearVal);
GUI.FocusControl(null);
}
// Accept Edit
if (WitEditorUI.LayoutIconButton(WitStyles.AcceptIcon))
{
editIndex = -1;
GUI.FocusControl(null);
}
}
// Not Editing
else
{
// Begin Editing
if (WitEditorUI.LayoutIconButton(WitStyles.EditIcon))
{
editIndex = index;
GUI.FocusControl(null);
}
}
}
// End layout
GUILayout.EndHorizontal();
}
