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| 1 <!-- | |
| 2 # Copyright 2016 The LUCI Authors. All rights reserved. | |
| 3 # Use of this source code is governed by the Apache v2.0 license that can be | |
| 4 # found in the LICENSE file. | |
| 5 --> | |
| 6 <!-- | |
| 7 This in an HTML Import-able file that contains the definition | |
| 8 of the following elements: | |
| 9 | |
| 10 <load-charts-api> | |
| 11 | |
| 12 It makes sure the Google Visualization api | |
| 13 (https://developers.google.com/chart/interactive/docs/) is loaded. This api | |
| 14 is also loaded by the google-chart element, but we need to make sure it is | |
| 15 loaded before we start partitioning the data, e.g. partial-data-chart. | |
| 16 | |
| 17 Usage: | |
| 18 | |
| 19 <load-charts-api></load-charts-api> | |
| 20 | |
| 21 Properties: | |
| 22 loaded: Boolean, true if the charts api has been loaded. | |
| 23 | |
| 24 Methods: | |
| 25 None. | |
| 26 | |
| 27 Events: | |
| 28 None. | |
| 29 --> | |
| 30 | |
| 31 <script type="text/javascript" src="https://www.gstatic.com/charts/loader.js"></
script> | |
| 32 <link rel="import" href="../bower_components/google-apis/google-legacy-loader.ht
ml"> | |
| 33 | |
| 34 <dom-module id="load-charts-api"> | |
| 35 <template> | |
| 36 | |
| 37 <google-legacy-loader on-api-load="_readyForAction"></google-legacy-loader> | |
| 38 | |
| 39 </template> | |
| 40 <script> | |
| 41 Polymer({ | |
| 42 is: 'load-charts-api', | |
| 43 properties: { | |
| 44 loaded: { | |
| 45 type: Boolean, | |
| 46 notify: true, | |
| 47 } | |
| 48 }, | |
| 49 | |
| 50 _readyForAction: function() { | |
| 51 google.load("visualization", "1", { | |
| 52 packages: {packages: ['corechart']}, | |
| 53 callback: function() { | |
| 54 this.set("loaded", true); | |
| 55 }.bind(this) | |
| 56 }); | |
| 57 } | |
| 58 }); | |
| 59 </script> | |
| 60 </dom-module> | |
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