private bool TryAssignConditionAttribute(ToolboxConditionAttribute attribute)
{
//prevent condition checks for children (for array properties)
//we can only have on condition attribute per serialized property
if (conditionAttribute != null || isChild)
{
return(false);
}
else
{
conditionAttribute = attribute;
return(true);
}
}
public PropertyHandler(SerializedProperty property)
{
this.property = property;
//get all available area attributes
areaAttributes = property.GetAttributes <ToolboxAreaAttribute>();
//keep area attributes in proper order
Array.Sort(areaAttributes, (a1, a2) => a1.Order.CompareTo(a2.Order));
//get only one attribute per type
groupAttribute = property.GetAttribute <ToolboxGroupAttribute>();
propertyAttribute = property.GetAttribute <ToolboxPropertyAttribute>();
conditionAttribute = property.GetAttribute <ToolboxConditionAttribute>();
}
/// <summary>
/// Constructor prepares all property-related data for custom drawing.
/// </summary>
/// <param name="property"></param>
public ToolboxPropertyHandler(SerializedProperty property)
{
this.property = property;
//here starts preparation of all needed data for this handler
//first of all we have to retrieve the native data like FieldInfo, custom native drawer, etc.
//after this we have to retrieve (if possible) all Toolbox-related data - ToolboxAttributes
//set basic content for the handled property
label = new GUIContent(property.displayName);
//get FieldInfo associated to this property, it is needed to cache custom attributes
if ((fieldInfo = property.GetFieldInfo(out type)) == null)
{
return;
}
isArray = property.isArray && property.propertyType == SerializedPropertyType.Generic;
//check if this property has built-in property drawer
if (!(hasNativePropertyDrawer = ToolboxDrawerModule.HasNativeTypeDrawer(type)))
{
var propertyAttributes = fieldInfo.GetCustomAttributes <PropertyAttribute>();
foreach (var attribute in propertyAttributes)
{
var attributeType = attribute.GetType();
if (hasNativePropertyDrawer = ToolboxDrawerModule.HasNativeTypeDrawer(attributeType))
{
break;
}
}
}
if (isArray)
{
//get collection drawer associated to this array
propertyAttribute = fieldInfo.GetCustomAttribute <ToolboxListPropertyAttribute>();
}
else
{
//get property drawer associated to this field
propertyAttribute = fieldInfo.GetCustomAttribute <ToolboxSelfPropertyAttribute>();
}
//check if property has a custom attribute drawer
hasToolboxPropertyAttributeDrawer = propertyAttribute != null;
//check if property has a custom target type drawer
hasToolboxPropertyTargetTypeDrawer = ToolboxDrawerModule.HasTargetTypeDrawer(type);
hasToolboxPropertyDrawer = hasToolboxPropertyAttributeDrawer || hasToolboxPropertyTargetTypeDrawer;
//validate child property using the associated FieldInfo
if (isChild = (property.name != fieldInfo.Name))
{
return;
}
//get only one condition attribute to valdiate state of this property
conditionAttribute = fieldInfo.GetCustomAttribute <ToolboxConditionAttribute>();
hasToolboxConditionDrawer = conditionAttribute != null;
//get all available decorator attributes
decoratorAttributes = fieldInfo.GetCustomAttributes <ToolboxDecoratorAttribute>().ToArray();
hasToolboxDecoratorDrawer = decoratorAttributes != null && decoratorAttributes.Length > 0;
//keep decorator attributes in the order
Array.Sort(decoratorAttributes, (a1, a2) => a1.Order.CompareTo(a2.Order));
}
/// <summary>
/// Constructor prepares all property-related data for custom drawing.
/// </summary>
/// <param name="property"></param>
public ToolboxPropertyHandler(SerializedProperty property)
{
this.property = property;
//here starts preparation of all needed data for this handler
//first of all we have to retrieve native data like field info, custom native drawer, etc.
//after this we have to retrieve (if possible) all Toolbox-related data - ToolboxAttributes
//get field info associated with this property, this property is needed for custom attributes
propertyFieldInfo = property.GetFieldInfo(out propertyType);
if (propertyFieldInfo == null)
{
return;
}
//set basic content for handled property
propertyLabel = new GUIContent(property.displayName);
//check if this property has built-in property drawer
if (!(hasNativePropertyDrawer = property.HasCustomDrawer(propertyType)))
{
var propertyAttributes = propertyFieldInfo.GetCustomAttributes <PropertyAttribute>();
foreach (var attribute in propertyAttributes)
{
if (hasNativePropertyDrawer = property.HasCustomDrawer(attribute.GetType()))
{
break;
}
}
}
hasToolboxTargetTypeDrawer = ToolboxDrawerUtility.HasTargetTypeDrawer(propertyType);
//specify drawer attribute
if (property.isArray)
{
//get collection drawer associated to this array field
propertyArrayAttribute = propertyFieldInfo.GetCustomAttribute <ToolboxCollectionAttribute>();
}
else
{
//get property drawer associated to this property
propertySingleAttribute = propertyFieldInfo.GetCustomAttribute <ToolboxPropertyAttribute>();
}
hasToolboxPropertyDrawer = hasToolboxTargetTypeDrawer || propertySingleAttribute != null || propertyArrayAttribute != null;
//validate child property using associated field info
if (propertyFieldInfo == null || propertyFieldInfo.Name != property.name)
{
return;
}
//get only one condition attribute to valdiate state of this property
conditionAttribute = propertyFieldInfo.GetCustomAttribute <ToolboxConditionAttribute>();
//get all available decorator attributes
decoratorAttributes = propertyFieldInfo.GetCustomAttributes <ToolboxDecoratorAttribute>()
.ToArray();
//keep decorator attributes in proper order
Array.Sort(decoratorAttributes, (a1, a2) => a1.Order.CompareTo(a2.Order));
}