    001// Licensed under the Apache License, Version 2.0 (the "License");
    002// you may not use this file except in compliance with the License.
    003// You may obtain a copy of the License at
    004//
    005//     http://www.apache.org/licenses/LICENSE-2.0
    006//
    007// Unless required by applicable law or agreed to in writing, software
    008// distributed under the License is distributed on an "AS IS" BASIS,
    009// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    010// See the License for the specific language governing permissions and
    011// limitations under the License.
    012
    013package org.apache.tapestry5.services.compatibility;
    014
    015import org.apache.tapestry5.SymbolConstants;
    016
    017/**
    018 * Defines different traits that may be enabled or disabled. This was introduced in Tapestry 5.4 to allow certain
    019 * features that exist in Tapestry 5.3 to be optionally enabled for compatibility.
    020 */
    021public enum Trait
    022{
    023    /**
    024     * Indicates that the Scriptaculous JavaScript libraries should be included.  Tapestry 5.3 includes options for performing
    025     * some kinds of animations when certain elements were updated or removed; that is no longer present in Tapestry 5.4
    026     * and Scriptaculous is not used. This trait is only used if the
    027     * {@linkplain SymbolConstants#JAVASCRIPT_INFRASTRUCTURE_PROVIDER JavaScript infrastructure provider}
    028     * is set to "prototype".
    029     */
    030    SCRIPTACULOUS,
    031
    032    /**
    033     * Support for Tapestry 5.3 style initializers (the client-side {@code T5.initializers} namespace).
    034     */
    035    INITIALIZERS,
    036
    037    /**
    038     * Indicates that Twitter Bootstrap 3 CSS and JavaScript should be included in all pages by default.
    039     * @see <a href="https://getbootstrap.com/">Bootstrap site</a>
    040     * @since 5.5
    041     */
    042    BOOTSTRAP_3,
    043
    044    /**
    045     * Indicates that Twitter Bootstrap 4 CSS and JavaScript should be included in all pages by default.
    046     * @see <a href="https://getbootstrap.com/">Bootstrap site</a>
    047     * @since 5.5
    048     */
    049    BOOTSTRAP_4,
    050
    051}