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* Copyright 2019 Adobe. All rights reserved.
* This file is licensed to you 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 REPRESENTATIONS
* OF ANY KIND, either express or implied. See the License for the specific language
* governing permissions and limitations under the License.
*/
import {BaseComponent} from '../../../coral-base-component';
import {Collection} from '../../../coral-collection';
const CLASSNAME = '_coral-Shell';
/**
@class Coral.Shell
@classdesc The Shell base component to be used with its family for console like applications. See examples for how to
integrate all Shell sub components.
@htmltag coral-shell
@extends {HTMLElement}
@extends {BaseComponent}
*/
class Shell extends BaseComponent(HTMLElement) {
/** @ignore */
constructor() {
super();
// Prepare templates
this._elements = {
// Fetch or create the content zone elements
header: this.querySelector('coral-shell-header') || document.createElement('coral-shell-header'),
content: this.querySelector('coral-shell-content') || document.createElement('coral-shell-content')
};
}
/**
The menu collection.
@type {Collection}
@readonly
*/
get menus() {
// Construct the collection on first request:
if (!this._menus) {
this._menus = new Collection({
host: this,
itemTagName: 'coral-shell-menu'
});
}
return this._menus;
}
/**
The shell header zone.
@type {ShellHeader}
@contentzone
*/
get header() {
return this._getContentZone(this._elements.header);
}
set header(value) {
this._setContentZone('header', value, {
handle: 'header',
tagName: 'coral-shell-header',
insert: function (header) {
this.insertBefore(header, this.firstChild);
}
});I
}
/**
The shell content zone.
@type {ShellContent}
@contentzone
*/
get content() {
return this._getContentZone(this._elements.content);
}
set content(value) {
this._setContentZone('content', value, {
handle: 'content',
tagName: 'coral-shell-content',
insert: function (content) {
this.appendChild(content);
}
});
}
get _contentZones() {
return {
'coral-shell-header': 'header',
'coral-shell-content': 'content'
};
}
/** @ignore */
render() {
super.render();
this.classList.add(CLASSNAME);
const header = this._elements.header;
const menus = this.menus.getAll();
const content = this._elements.content;
// If the the content zone is not provided, we need to make sure that it holds all children
if (!content.parentNode) {
// Remove header
if (header.parentNode) {
header.parentNode.removeChild(header);
}
// Remove menus
this.menus.clear();
// Move the rest into content
while (this.firstChild) {
content.appendChild(this.firstChild);
}
}
// Call the content zone insert
this.header = header;
menus.forEach((menu) => this.menus.add(menu));
this.content = content;
}
}
export default Shell;
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