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px-app-nav-item.es6.js
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px-app-nav-item.es6.js
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/**
* @license
* Copyright (c) 2018, General Electric
*
* 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.
*/
(function() {
'use strict';
Polymer({
is: 'px-app-nav-item',
behaviors: [PxAppNavBehavior.Item],
properties: {
/**
* Used to set the icon for the item.
*/
icon: {
type: String
},
/**
* Used to set the icon's stroke-width
*/
strokeWidth: {
type: Number,
value: 1,
},
/**
* Set to `true` if this is a subitem.
*/
subitem: {
type: Boolean,
value: false,
reflectToAttribute: true
},
/**
* Shows a dropdown arrow icon to indicate this item can be tapped to
* open a subgroup.
*/
dropdown: {
type: Boolean,
value: false
},
/**
* Set to `true` if the item is inside a overflowed dropdown.
*/
overflowed: {
type: Boolean,
value: false,
reflectToAttribute: true,
observer: 'updateStyles' // Necessary to ensure correct style scoping for px-icon
},
/**
* Shows an empty state outline for icon.
*/
emptyIcon: {
type: Boolean,
value: false,
reflectToAttribute: true
},
/**
* Shows an empty state outline for the label.
*/
emptyLabel: {
type: Boolean,
value: false,
reflectToAttribute: true
}
},
/**
* If an item has an icon and a label, get class to add margin between them.
*/
_addClassIfHasLabel(labelStr) {
return (typeof labelStr === 'string' && labelStr.length) ? 'app-nav-item__icon--with-label' : '';
}
});
})();