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<link rel="import" href="../../bower_components/polymer/polymer.html">
<link rel="import" href="../imports/lodash.html">
<!--
tf-image-loader loads an individual image from the TensorBoard backend.
Right now it always loads the most recent image. We should add support in the
future for loading older images.
-->
<dom-module id="tf-image-loader">
<style>
:host {
display: block;
}
img {
width: 100%;
height: 100%;
}
</style>
<template>
<iron-ajax
id="ajax"
auto
url="[[metadataUrl]]"
handle-as="json"
debounce="50"
last-response="{{imageMetadata}}"
verbose="true"
></iron-ajax>
<template is="dom-if" if="[[imageUrl]]">
<img src="[[imageUrl]]"></img>
</template is="dom-if">
</template>
<script>
Polymer({
is: "tf-image-loader",
properties: {
run: String,
tag: String,
imagesGenerator: Function,
individualImageGenerator: Function,
imageMetadata: Array,
metadataUrl: {
type: String,
computed: "apply(imagesGenerator, tag, run)",
},
imageUrl: {
type: String,
computed: "getLastImage(imageMetadata, individualImageGenerator)",
},
},
apply: function(imagesGenerator, run, tag) {
return imagesGenerator(run, tag);
},
getLastImage: function(imageMetadata, individualImageGenerator) {
if (imageMetadata == null) {
return null;
}
var query = _.last(imageMetadata).query;
return individualImageGenerator(query);
},
});
</script>
</dom-module>
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