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diff --git a/contexts/data/lib/closure-library/closure/goog/ui/button.js b/contexts/data/lib/closure-library/closure/goog/ui/button.js
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--- a/contexts/data/lib/closure-library/closure/goog/ui/button.js
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@@ -1,210 +0,0 @@
-// Copyright 2007 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 button control. This implementation extends {@link
- * goog.ui.Control}.
- *
- * @author attila@google.com (Attila Bodis)
- * @see ../demos/button.html
- */
-
-goog.provide('goog.ui.Button');
-goog.provide('goog.ui.Button.Side');
-
-goog.require('goog.events.KeyCodes');
-goog.require('goog.ui.ButtonRenderer');
-goog.require('goog.ui.ButtonSide');
-goog.require('goog.ui.Control');
-goog.require('goog.ui.ControlContent');
-goog.require('goog.ui.NativeButtonRenderer');
-
-
-
-/**
- * A button control, rendered as a native browser button by default.
- *
- * @param {goog.ui.ControlContent} content Text caption or existing DOM
- * structure to display as the button's caption.
- * @param {goog.ui.ButtonRenderer=} opt_renderer Renderer used to render or
- * decorate the button; defaults to {@link goog.ui.NativeButtonRenderer}.
- * @param {goog.dom.DomHelper=} opt_domHelper Optional DOM hepler, used for
- * document interaction.
- * @constructor
- * @extends {goog.ui.Control}
- */
-goog.ui.Button = function(content, opt_renderer, opt_domHelper) {
- goog.ui.Control.call(this, content, opt_renderer ||
- goog.ui.NativeButtonRenderer.getInstance(), opt_domHelper);
-};
-goog.inherits(goog.ui.Button, goog.ui.Control);
-
-
-/**
- * Constants for button sides, see {@link goog.ui.Button.prototype.setCollapsed}
- * for details. Aliased from goog.ui.ButtonSide to support legacy users without
- * creating a circular dependency in {@link goog.ui.ButtonRenderer}.
- * @enum {number}
- * @deprecated use {@link goog.ui.ButtonSide} instead.
- */
-goog.ui.Button.Side = goog.ui.ButtonSide;
-
-
-/**
- * Value associated with the button.
- * @type {*}
- * @private
- */
-goog.ui.Button.prototype.value_;
-
-
-/**
- * Tooltip text for the button, displayed on hover.
- * @type {string|undefined}
- * @private
- */
-goog.ui.Button.prototype.tooltip_;
-
-
-// goog.ui.Button API implementation.
-
-
-/**
- * Returns the value associated with the button.
- * @return {*} Button value (undefined if none).
- */
-goog.ui.Button.prototype.getValue = function() {
- return this.value_;
-};
-
-
-/**
- * Sets the value associated with the button, and updates its DOM.
- * @param {*} value New button value.
- */
-goog.ui.Button.prototype.setValue = function(value) {
- this.value_ = value;
- var renderer = /** @type {!goog.ui.ButtonRenderer} */ (this.getRenderer());
- renderer.setValue(this.getElement(), /** @type {string} */ (value));
-};
-
-
-/**
- * Sets the value associated with the button. Unlike {@link #setValue},
- * doesn't update the button's DOM. Considered protected; to be called only
- * by renderer code during element decoration.
- * @param {*} value New button value.
- * @protected
- */
-goog.ui.Button.prototype.setValueInternal = function(value) {
- this.value_ = value;
-};
-
-
-/**
- * Returns the tooltip for the button.
- * @return {string|undefined} Tooltip text (undefined if none).
- */
-goog.ui.Button.prototype.getTooltip = function() {
- return this.tooltip_;
-};
-
-
-/**
- * Sets the tooltip for the button, and updates its DOM.
- * @param {string} tooltip New tooltip text.
- */
-goog.ui.Button.prototype.setTooltip = function(tooltip) {
- this.tooltip_ = tooltip;
- this.getRenderer().setTooltip(this.getElement(), tooltip);
-};
-
-
-/**
- * Sets the tooltip for the button. Unlike {@link #setTooltip}, doesn't update
- * the button's DOM. Considered protected; to be called only by renderer code
- * during element decoration.
- * @param {string} tooltip New tooltip text.
- * @protected
- */
-goog.ui.Button.prototype.setTooltipInternal = function(tooltip) {
- this.tooltip_ = tooltip;
-};
-
-
-/**
- * Collapses the border on one or both sides of the button, allowing it to be
- * combined with the adjancent button(s), forming a single UI componenet with
- * multiple targets.
- * @param {number} sides Bitmap of one or more {@link goog.ui.ButtonSide}s for
- * which borders should be collapsed.
- */
-goog.ui.Button.prototype.setCollapsed = function(sides) {
- this.getRenderer().setCollapsed(this, sides);
-};
-
-
-// goog.ui.Control & goog.ui.Component API implementation.
-
-
-/** @override */
-goog.ui.Button.prototype.disposeInternal = function() {
- goog.ui.Button.superClass_.disposeInternal.call(this);
- delete this.value_;
- delete this.tooltip_;
-};
-
-
-/** @override */
-goog.ui.Button.prototype.enterDocument = function() {
- goog.ui.Button.superClass_.enterDocument.call(this);
- if (this.isSupportedState(goog.ui.Component.State.FOCUSED)) {
- var keyTarget = this.getKeyEventTarget();
- if (keyTarget) {
- this.getHandler().listen(keyTarget, goog.events.EventType.KEYUP,
- this.handleKeyEventInternal);
- }
- }
-};
-
-
-/**
- * Attempts to handle a keyboard event; returns true if the event was handled,
- * false otherwise. If the button is enabled and the Enter/Space key was
- * pressed, handles the event by dispatching an {@code ACTION} event,
- * and returns true. Overrides {@link goog.ui.Control#handleKeyEventInternal}.
- * @param {goog.events.KeyEvent} e Key event to handle.
- * @return {boolean} Whether the key event was handled.
- * @protected
- * @override
- */
-goog.ui.Button.prototype.handleKeyEventInternal = function(e) {
- if (e.keyCode == goog.events.KeyCodes.ENTER &&
- e.type == goog.events.KeyHandler.EventType.KEY ||
- e.keyCode == goog.events.KeyCodes.SPACE &&
- e.type == goog.events.EventType.KEYUP) {
- return this.performActionInternal(e);
- }
- // Return true for space keypress (even though the event is handled on keyup)
- // as preventDefault needs to be called up keypress to take effect in IE and
- // WebKit.
- return e.keyCode == goog.events.KeyCodes.SPACE;
-};
-
-
-// Register a decorator factory function for goog.ui.Buttons.
-goog.ui.registry.setDecoratorByClassName(goog.ui.ButtonRenderer.CSS_CLASS,
- function() {
- return new goog.ui.Button(null);
- });