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<!--
@license
Copyright (c) 2016 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
-->
<link rel="import" href="../bower_components/polymer/polymer-element.html">
<link rel="import" href="../bower_components/app-layout/app-drawer/app-drawer.html">
<link rel="import" href="../bower_components/app-layout/app-drawer-layout/app-drawer-layout.html">
<link rel="import" href="../bower_components/app-layout/app-header/app-header.html">
<link rel="import" href="../bower_components/app-layout/app-header-layout/app-header-layout.html">
<link rel="import" href="../bower_components/app-layout/app-scroll-effects/app-scroll-effects.html">
<link rel="import" href="../bower_components/app-layout/app-toolbar/app-toolbar.html">
<link rel="import" href="../bower_components/app-route/app-location.html">
<link rel="import" href="../bower_components/app-route/app-route.html">
<link rel="import" href="../bower_components/iron-pages/iron-pages.html">
<link rel="import" href="../bower_components/iron-selector/iron-selector.html">
<link rel="import" href="../bower_components/paper-icon-button/paper-icon-button.html">
<link rel="import" href="my-icons.html">
<dom-module id="my-app">
<template>
<style>
:host {
--app-primary-color: #4285f4;
--app-secondary-color: black;
display: block;
}
app-drawer-layout:not([narrow]) [drawer-toggle] {
display: none;
}
app-header {
color: #fff;
background-color: var(--app-primary-color);
}
app-header paper-icon-button {
--paper-icon-button-ink-color: white;
}
.drawer-list {
margin: 0 20px;
}
.drawer-list a {
display: block;
padding: 0 16px;
text-decoration: none;
color: var(--app-secondary-color);
line-height: 40px;
}
.drawer-list a.iron-selected {
color: black;
font-weight: bold;
}
</style>
<app-location route="{{route}}" url-space-regex="^[[rootPath]]"></app-location>
<app-route
route="{{route}}"
pattern="[[rootPath]]:page"
data="{{routeData}}"
tail="{{subroute}}"></app-route>
<app-drawer-layout fullbleed>
<!-- Drawer content -->
<app-drawer id="drawer" slot="drawer">
<app-toolbar>Menu</app-toolbar>
<iron-selector selected="[[page]]" attr-for-selected="name" class="drawer-list" role="navigation">
<a name="view1" href$="[[rootPath]]view1">View One</a>
<a name="view2" href$="[[rootPath]]view2">View Two</a>
<a name="view3" href$="[[rootPath]]view3">View Three</a>
<a name="view4" href$="[[rootPath]]view4">View Four</a>
</iron-selector>
</app-drawer>
<!-- Main content -->
<app-header-layout has-scrolling-region>
<app-header slot="header" condenses reveals effects="waterfall">
<app-toolbar>
<paper-icon-button icon="my-icons:menu" drawer-toggle></paper-icon-button>
<div main-title>My App</div>
</app-toolbar>
</app-header>
<iron-pages
selected="[[page]]"
attr-for-selected="name"
fallback-selection="view404"
role="main">
<my-view1 name="view1"></my-view1>
<my-view2 name="view2"></my-view2>
<my-view3 name="view3"></my-view3>
<my-view404 name="view404"></my-view404>
</iron-pages>
</app-header-layout>
</app-drawer-layout>
</template>
<script>
class MyApp extends Polymer.Element {
static get is() { return 'my-app'; }
static get properties() {
return {
page: {
type: String,
reflectToAttribute: true,
observer: '_pageChanged',
},
routeData: Object,
subroute: String,
rootPath: {
type: String,
value: '/'
},
lazyPages: {
type: Object,
value: {
view1: function() {
import(/* webpackChunkName: "my-view1" */ './my-view1.html');
},
view2: function() {
import(/* webpackChunkName: "my-view2" */ './my-view2.html');
},
view3: function() {
import(/* webpackChunkName: "my-view3" */ './my-view3.html');
},
view404: function() {
import(/* webpackChunkName: "my-view404" */ './my-view404.html');
}
}
}
};
}
static get observers() {
return [
'_routePageChanged(routeData.page)',
];
}
constructor() {
super();
}
_routePageChanged(page) {
// Polymer 2.0 will call with `undefined` on initialization.
// Ignore until we are properly called with a string.
if (page === undefined) {
return;
}
// If no page was found in the route data, page will be an empty string.
// Deault to 'view1' in that case.
this.page = page || 'view1';
// Close a non-persistent drawer when the page & route are changed.
if (!this.$.drawer.persistent) {
this.$.drawer.close();
}
}
_pageChanged(page) {
if(this.lazyPages[page]){
this.lazyPages[page]();
} else {
this._showPage404();
}
}
_showPage404() {
this.page = 'view404';
}
}
window.customElements.define(MyApp.is, MyApp);
</script>
</dom-module>
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