diff options
author | Brian Picciano <mediocregopher@gmail.com> | 2021-07-31 11:35:39 -0600 |
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committer | Brian Picciano <mediocregopher@gmail.com> | 2021-07-31 11:35:39 -0600 |
commit | f1998c321a4eec6d75b58d84aa8610971bf21979 (patch) | |
tree | a90783eb296cc50e1c48433f241624f26b99be27 /static/src/assets/viz/2/goog/events/event.js | |
parent | 03a35dcc38b055f15df160bd300969e3b703d4b1 (diff) |
move static files into static sub-dir, refactor nix a bit
Diffstat (limited to 'static/src/assets/viz/2/goog/events/event.js')
-rw-r--r-- | static/src/assets/viz/2/goog/events/event.js | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/static/src/assets/viz/2/goog/events/event.js b/static/src/assets/viz/2/goog/events/event.js new file mode 100644 index 0000000..ee3b3af --- /dev/null +++ b/static/src/assets/viz/2/goog/events/event.js @@ -0,0 +1,143 @@ +// Copyright 2005 The Closure Library Authors. All Rights Reserved. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS-IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +/** + * @fileoverview A base class for event objects. + * + */ + + +goog.provide('goog.events.Event'); +goog.provide('goog.events.EventLike'); + +/** + * goog.events.Event no longer depends on goog.Disposable. Keep requiring + * goog.Disposable here to not break projects which assume this dependency. + * @suppress {extraRequire} + */ +goog.require('goog.Disposable'); +goog.require('goog.events.EventId'); + + +/** + * A typedef for event like objects that are dispatchable via the + * goog.events.dispatchEvent function. strings are treated as the type for a + * goog.events.Event. Objects are treated as an extension of a new + * goog.events.Event with the type property of the object being used as the type + * of the Event. + * @typedef {string|Object|goog.events.Event|goog.events.EventId} + */ +goog.events.EventLike; + + + +/** + * A base class for event objects, so that they can support preventDefault and + * stopPropagation. + * + * @suppress {underscore} Several properties on this class are technically + * public, but referencing these properties outside this package is strongly + * discouraged. + * + * @param {string|!goog.events.EventId} type Event Type. + * @param {Object=} opt_target Reference to the object that is the target of + * this event. It has to implement the {@code EventTarget} interface + * declared at {@link http://developer.mozilla.org/en/DOM/EventTarget}. + * @constructor + */ +goog.events.Event = function(type, opt_target) { + /** + * Event type. + * @type {string} + */ + this.type = type instanceof goog.events.EventId ? String(type) : type; + + /** + * TODO(tbreisacher): The type should probably be + * EventTarget|goog.events.EventTarget. + * + * Target of the event. + * @type {Object|undefined} + */ + this.target = opt_target; + + /** + * Object that had the listener attached. + * @type {Object|undefined} + */ + this.currentTarget = this.target; + + /** + * Whether to cancel the event in internal capture/bubble processing for IE. + * @type {boolean} + * @public + */ + this.propagationStopped_ = false; + + /** + * Whether the default action has been prevented. + * This is a property to match the W3C specification at + * {@link http://www.w3.org/TR/DOM-Level-3-Events/ + * #events-event-type-defaultPrevented}. + * Must be treated as read-only outside the class. + * @type {boolean} + */ + this.defaultPrevented = false; + + /** + * Return value for in internal capture/bubble processing for IE. + * @type {boolean} + * @public + */ + this.returnValue_ = true; +}; + + +/** + * Stops event propagation. + */ +goog.events.Event.prototype.stopPropagation = function() { + this.propagationStopped_ = true; +}; + + +/** + * Prevents the default action, for example a link redirecting to a url. + */ +goog.events.Event.prototype.preventDefault = function() { + this.defaultPrevented = true; + this.returnValue_ = false; +}; + + +/** + * Stops the propagation of the event. It is equivalent to + * {@code e.stopPropagation()}, but can be used as the callback argument of + * {@link goog.events.listen} without declaring another function. + * @param {!goog.events.Event} e An event. + */ +goog.events.Event.stopPropagation = function(e) { + e.stopPropagation(); +}; + + +/** + * Prevents the default action. It is equivalent to + * {@code e.preventDefault()}, but can be used as the callback argument of + * {@link goog.events.listen} without declaring another function. + * @param {!goog.events.Event} e An event. + */ +goog.events.Event.preventDefault = function(e) { + e.preventDefault(); +}; |