/**
* @license
* Copyright The Closure Library Authors.
* SPDX-License-Identifier: Apache-2.0
*/
/**
* @fileoverview Renderer for {@link goog.ui.Toolbar}s.
*/
goog.provide('goog.ui.ToolbarRenderer');
goog.require('goog.a11y.aria.Role');
goog.require('goog.dom.TagName');
goog.require('goog.ui.Container');
goog.require('goog.ui.ContainerRenderer');
goog.require('goog.ui.Separator');
goog.require('goog.ui.ToolbarSeparatorRenderer');
goog.requireType('goog.ui.Control');
/**
* Default renderer for {@link goog.ui.Toolbar}s, based on {@link
* goog.ui.ContainerRenderer}.
* @constructor
* @extends {goog.ui.ContainerRenderer}
*/
goog.ui.ToolbarRenderer = function() {
'use strict';
goog.ui.ContainerRenderer.call(this, goog.a11y.aria.Role.TOOLBAR);
};
goog.inherits(goog.ui.ToolbarRenderer, goog.ui.ContainerRenderer);
goog.addSingletonGetter(goog.ui.ToolbarRenderer);
/**
* Default CSS class to be applied to the root element of toolbars rendered
* by this renderer.
* @type {string}
*/
goog.ui.ToolbarRenderer.CSS_CLASS = goog.getCssName('goog-toolbar');
/**
* Inspects the element, and creates an instance of {@link goog.ui.Control} or
* an appropriate subclass best suited to decorate it. Overrides the superclass
* implementation by recognizing HR elements as separators.
* @param {Element} element Element to decorate.
* @return {goog.ui.Control?} A new control suitable to decorate the element
* (null if none).
* @override
*/
goog.ui.ToolbarRenderer.prototype.getDecoratorForChild = function(element) {
'use strict';
return element.tagName == goog.dom.TagName.HR ?
new goog.ui.Separator(goog.ui.ToolbarSeparatorRenderer.getInstance()) :
goog.ui.ToolbarRenderer.superClass_.getDecoratorForChild.call(
this, element);
};
/**
* Returns the CSS class to be applied to the root element of containers
* rendered using this renderer.
* @return {string} Renderer-specific CSS class.
* @override
*/
goog.ui.ToolbarRenderer.prototype.getCssClass = function() {
'use strict';
return goog.ui.ToolbarRenderer.CSS_CLASS;
};
/**
* Returns the default orientation of containers rendered or decorated by this
* renderer. This implementation returns `HORIZONTAL`.
* @return {goog.ui.Container.Orientation} Default orientation for containers
* created or decorated by this renderer.
* @override
*/
goog.ui.ToolbarRenderer.prototype.getDefaultOrientation = function() {
'use strict';
return goog.ui.Container.Orientation.HORIZONTAL;
};