google-closure-library
Version:
Google's common JavaScript library
92 lines (77 loc) • 2.79 kB
JavaScript
/**
* @license
* Copyright The Closure Library Authors.
* SPDX-License-Identifier: Apache-2.0
*/
/**
* @fileoverview Renderer for {@link goog.ui.TriStateMenuItem}s.
*/
goog.provide('goog.ui.TriStateMenuItemRenderer');
goog.forwardDeclare('goog.ui.TriStateMenuItem.State'); // TODO(user): remove this
goog.require('goog.asserts');
goog.require('goog.dom.classlist');
goog.require('goog.ui.MenuItemRenderer');
goog.requireType('goog.ui.Control');
/**
* Default renderer for {@link goog.ui.TriStateMenuItemRenderer}s. Each item has
* the following structure:
*
* <div class="goog-tristatemenuitem">
* <div class="goog-tristatemenuitem-checkbox"></div>
* <div>...(content)...</div>
* </div>
*
* @constructor
* @extends {goog.ui.MenuItemRenderer}
* @final
*/
goog.ui.TriStateMenuItemRenderer = function() {
'use strict';
goog.ui.MenuItemRenderer.call(this);
};
goog.inherits(goog.ui.TriStateMenuItemRenderer, goog.ui.MenuItemRenderer);
goog.addSingletonGetter(goog.ui.TriStateMenuItemRenderer);
/**
* CSS class name the renderer applies to menu item elements.
* @type {string}
*/
goog.ui.TriStateMenuItemRenderer.CSS_CLASS =
goog.getCssName('goog-tristatemenuitem');
/**
* Overrides {@link goog.ui.ControlRenderer#decorate} by initializing the
* menu item to checkable based on whether the element to be decorated has
* extra styling indicating that it should be.
* @param {goog.ui.Control} item goog.ui.TriStateMenuItem to decorate
* the element.
* @param {Element} element Element to decorate.
* @return {!Element} Decorated element.
* @override
* @suppress {strictMissingProperties} Added to tighten compiler checks
* @suppress {missingRequire} TODO(user): remove this
*/
goog.ui.TriStateMenuItemRenderer.prototype.decorate = function(item, element) {
'use strict';
element = goog.ui.TriStateMenuItemRenderer.superClass_.decorate.call(
this, item, element);
this.setCheckable(item, element, true);
goog.asserts.assert(element);
if (goog.dom.classlist.contains(
element, goog.getCssName(this.getCssClass(), 'fully-checked'))) {
item.setCheckedState(/** @suppress {missingRequire} */
goog.ui.TriStateMenuItem.State.FULLY_CHECKED);
} else if (
goog.dom.classlist.contains(
element, goog.getCssName(this.getCssClass(), 'partially-checked'))) {
/** @suppress {missingRequire} */
item.setCheckedState(goog.ui.TriStateMenuItem.State.PARTIALLY_CHECKED);
} else {
/** @suppress {missingRequire} */
item.setCheckedState(goog.ui.TriStateMenuItem.State.NOT_CHECKED);
}
return element;
};
/** @override */
goog.ui.TriStateMenuItemRenderer.prototype.getCssClass = function() {
'use strict';
return goog.ui.TriStateMenuItemRenderer.CSS_CLASS;
};