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/*****************************************************************************
* Open MCT, Copyright (c) 2014-2022, United States Government
* as represented by the Administrator of the National Aeronautics and Space
* Administration. All rights reserved.
*
* Open MCT is licensed under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0.
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
* Open MCT includes source code licensed under additional open source
* licenses. See the Open Source Licenses file (LICENSES.md) included with
* this source code distribution or the Licensing information page available
* at runtime from the About dialog for additional information.
*****************************************************************************/
<template>
<span class="form-control shell">
<span
class="field control"
:class="model.cssClass"
>
<input
id="fileElem"
ref="fileInput"
type="file"
accept=".json"
style="display:none"
>
<button
id="fileSelect"
class="c-button"
@click="selectFile"
>
{{ name }}
</button>
<button
v-if="removable"
class="c-button icon-trash"
title="Remove file"
@click="removeFile"
></button>
</span>
</span>
</template>
<script>
export default {
inject: ['openmct'],
props: {
model: {
type: Object,
required: true
}
},
data() {
return {
fileInfo: undefined
};
},
computed: {
name() {
const fileInfo = this.fileInfo || this.model.value;
return fileInfo && fileInfo.name || this.model.text;
},
removable() {
return (this.fileInfo || this.model.value) && this.model.removable;
}
},
mounted() {
this.$refs.fileInput.addEventListener("change", this.handleFiles, false);
},
methods: {
handleFiles() {
const fileList = this.$refs.fileInput.files;
this.readFile(fileList[0]);
},
readFile(file) {
const self = this;
const fileReader = new FileReader();
const fileInfo = {};
fileInfo.name = file.name;
fileReader.onload = function (event) {
fileInfo.body = event.target.result;
self.fileInfo = fileInfo;
const data = {
model: self.model,
value: fileInfo
};
self.$emit('onChange', data);
};
fileReader.onerror = function (error) {
console.error('fileReader error', error);
};
fileReader.readAsText(file);
},
selectFile() {
this.$refs.fileInput.click();
},
removeFile() {
this.model.value = undefined;
this.fileInfo = undefined;
const data = {
model: this.model,
value: undefined
};
this.$emit('onChange', data);
}
}
};
</script>
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