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youtube-lookup.html
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youtube-lookup.html
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<!--
@license
Copyright (c) 2015 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="../polymer/polymer.html">
<link rel="import" href="../iron-ajax/iron-ajax.html">
<link rel="import" href="../iron-icon/iron-icon.html">
<link rel="import" href="../iron-icons/iron-icons.html">
<link rel="import" href="../iron-icons/av-icons.html">
<link rel="import" href="../paper-icon-button/paper-icon-button.html">
<link rel="import" href="../paper-input/paper-input.html">
<!--
An element providing a solution to no problem in particular.
Example:
<youtube-lookup></youtube-lookup>
@group Youtube lookup
@element youtube-lookup
@demo demo/index.html
-->
<dom-module id="youtube-lookup">
<template>
<style>
:host {
display: block;
box-sizing: border-box;
}
:host {
--paper-input-container: {
padding: 10px;
background: #fff;
}
}
:host {
--paper-input-container-underline: {
background: #fff;
}
}
:host {
--paper-input-container-underline-focus: {
background: #fff;
}
}
:host {
--paper-input-container-input: {
padding-left: 10px;
}
}
.search-results {
position: absolute;
left: 0;
right: 0;
z-index: 910;
background: rgba(255, 255, 255, 0.95);
box-shadow: 0 2px 1px 0 rgba(0, 0, 0, 0.14), 0 3px 1px -2px rgba(0, 0, 0, 0.2), rgba(0, 0, 0, 0.2) 0 1px 5px 0 inset;
}
.track-container {
display: flex;
justify-content: space-between;
align-items: center;
padding: 15px;
padding-bottom: 0;
color: #000;
}
.track-actions {
flex: 0 0 30px;
}
iron-icon {
color: #000;
}
</style>
<paper-input id="search-query" no-label-float placeholder="Add track..." value="{{_q}}">
<template is="dom-if" if="[[!_loading]]">
<iron-icon prefix icon="search" alt="" title=""></iron-icon>
</template>
<template is="dom-if" if="[[_loading]]">
<iron-icon prefix icon="av:loop" alt="" title=""></iron-icon>
</template>
<template is="dom-if" if="[[_q]]">
<iron-icon suffix on-tap="_clearInput" icon="close" alt="close" title="close" tabindex="0"></iron-icon>
</template>
</paper-input>
<div class="search-results">
<template is="dom-repeat" items="[[_ytresults]]">
<div class="track-container">
<span>[[item.snippet.title]]</span>
<div class="flex"></div>
<span class="track-actions">
<paper-icon-button on-tap="_handleSelectTrack" icon="add" alt="add" title="add"></paper-icon-button>
</span>
</div>
</template>
</div>
<iron-ajax auto id="ironAjax"
url="https://www.googleapis.com/youtube/v3/search"
params='{{_youtubeApiParams}}'
handle-as="json"
on-response="_handleYouTubeApiResponse"
on-error="_handleYouTubeApiError"
debounce-duration="300"
loading="{{_loading}}">
</iron-ajax>
</template>
</dom-module>
<script>
Polymer({
is: 'youtube-lookup',
properties: {
/**
* Your Youtube API key
*/
apiKey: {
type: String,
value: ''
},
_youtubeApiParams: {
type: String,
value: ''
},
_q: {type: String, value: '', observer: '_updateYouTubeApiParams'},
_apiError: {type: String, value: ''},
},
// Element Behavior
/**
* Fired when a result from the query is selected
*
* @event youtube-lookup-track-selected
*/
_updateYouTubeApiParams: function() {
if(this._q !== '') {
this._youtubeApiParams = {'part':'snippet', 'q':this._q, 'key': this.apiKey, 'type': 'video'};
} else {
this._ytresults = '';
}
},
_handleYouTubeApiResponse: function(e) {
this._apiError = '';
var response = e.detail.response || '';
if(response){
this._ytresults = response.items;
}
},
_handleYouTubeApiError: function(e) {
if (e.detail.response && e.detail.response.indexOf('keyInvalid') >= 0) {
this._apiError = 'Missing or invalid API key. Please see the <google-youtube-video-wall> ' +
'documentation for information on setting the "apiKey" property to a valid value.';
} else {
this._apiError = e.detail.response;
}
},
_handleSelectTrack: function(e) {
this.fire('youtube-lookup-track-selected', e.model.item);
this._q = '';
},
_clearInput: function() {
document.getElementById('search-query').value = '';
},
});
</script>