74 lines
2 KiB
JavaScript
74 lines
2 KiB
JavaScript
import Component from '@ember/component';
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import { set } from '@ember/object';
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const BASE_64_REGEX = /^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=)?$/gi;
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export default Component.extend({
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classNames: ['box', 'is-fullwidth', 'is-marginless', 'is-shadowless'],
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key: null,
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index: null,
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onChange: () => {},
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/*
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* @public
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* @param String
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* Text to use as the label for the file input
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* If null, a default will be rendered
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*/
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label: null,
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/*
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* @public
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* @param String
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* Text to use as help under the file input
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* If null, a default will be rendered
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*/
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fileHelpText: null,
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/*
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* @public
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* @param String
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* Text to use as help under the textarea in text-input mode
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* If null, a default will be rendered
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*/
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textareaHelpText: null,
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readFile(file) {
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const reader = new FileReader();
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reader.onload = () => this.setPGPKey(reader.result, file.name);
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// this gives us a base64-encoded string which is important in the onload
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reader.readAsDataURL(file);
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},
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setPGPKey(dataURL, filename) {
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const b64File = dataURL.split(',')[1].trim();
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const decoded = atob(b64File).trim();
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// If a b64-encoded file was uploaded, then after decoding, it
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// will still be b64.
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// If after decoding it's not b64, we want
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// the original as it was only encoded when we used `readAsDataURL`.
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const fileData = decoded.match(BASE_64_REGEX) ? decoded : b64File;
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this.get('onChange')(this.get('index'), { value: fileData, fileName: filename });
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},
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actions: {
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pickedFile(e) {
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const { files } = e.target;
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if (!files.length) {
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return;
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}
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for (let i = 0, len = files.length; i < len; i++) {
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this.readFile(files[i]);
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}
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},
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updateData(e) {
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const key = this.get('key');
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set(key, 'value', e.target.value);
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this.get('onChange')(this.get('index'), this.get('key'));
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},
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clearKey() {
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this.get('onChange')(this.get('index'), { value: '' });
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},
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},
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});
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