Allow form file input to accept other MIME types (#6089)

* allow non json raw files upload

* add e2e test

* compress image

e2e/helper/addInitFileInputObject.js

@@ -0,0 +1,76 @@
+class DomainObjectViewProvider {
+    constructor(openmct) {
+        this.key = 'doViewProvider';
+        this.name = 'Domain Object View Provider';
+        this.openmct = openmct;
+    }
+
+    canView(domainObject) {
+        return domainObject.type === 'imageFileInput'
+            || domainObject.type === 'jsonFileInput';
+    }
+
+    view(domainObject, objectPath) {
+        let content;
+
+        return {
+            show: function (element) {
+                const body = domainObject.selectFile.body;
+                const type = typeof body;
+
+                content = document.createElement('div');
+                content.id = 'file-input-type';
+                content.textContent = JSON.stringify(type);
+                element.appendChild(content);
+            },
+            destroy: function (element) {
+                element.removeChild(content);
+                content = undefined;
+            }
+        };
+    }
+}
+
+document.addEventListener('DOMContentLoaded', () => {
+    const openmct = window.openmct;
+
+    openmct.types.addType('jsonFileInput', {
+        key: 'jsonFileInput',
+        name: "JSON File Input Object",
+        creatable: true,
+        form: [
+            {
+                name: 'Upload File',
+                key: 'selectFile',
+                control: 'file-input',
+                required: true,
+                text: 'Select File...',
+                type: 'application/json',
+                property: [
+                    "selectFile"
+                ]
+            }
+        ]
+    });
+
+    openmct.types.addType('imageFileInput', {
+        key: 'imageFileInput',
+        name: "Image File Input Object",
+        creatable: true,
+        form: [
+            {
+                name: 'Upload File',
+                key: 'selectFile',
+                control: 'file-input',
+                required: true,
+                text: 'Select File...',
+                type: 'image/*',
+                property: [
+                    "selectFile"
+                ]
+            }
+        ]
+    });
+
+    openmct.objectViews.addProvider(new DomainObjectViewProvider(openmct));
+});

e2e/tests/functional/forms.e2e.spec.js

@@ -30,6 +30,8 @@ const genUuid = require('uuid').v4;
 const path = require('path');
 
 const TEST_FOLDER = 'test folder';
+const jsonFilePath = 'e2e/test-data/ExampleLayouts.json';
+const imageFilePath = 'e2e/test-data/rick.jpg';
 
 test.describe('Form Validation Behavior', () => {
     test('Required Field indicators appear if title is empty and can be corrected', async ({ page }) => {
@@ -68,6 +70,41 @@ test.describe('Form Validation Behavior', () => {
     });
 });
 
+test.describe('Form File Input Behavior', () => {
+    test.beforeEach(async ({ page }) => {
+        // eslint-disable-next-line no-undef
+        await page.addInitScript({ path: path.join(__dirname, '../../helper', 'addInitFileInputObject.js') });
+    });
+
+    test('Can select a JSON file type', async ({ page }) => {
+        await page.goto('./', { waitUntil: 'networkidle' });
+
+        await page.getByRole('button', { name: ' Create ' }).click();
+        await page.getByRole('menuitem', { name: 'JSON File Input Object' }).click();
+
+        await page.setInputFiles('#fileElem', jsonFilePath);
+
+        await page.getByRole('button', { name: 'Save' }).click();
+
+        const type = await page.locator('#file-input-type').textContent();
+        await expect(type).toBe(`"string"`);
+    });
+
+    test('Can select an image file type', async ({ page }) => {
+        await page.goto('./', { waitUntil: 'networkidle' });
+
+        await page.getByRole('button', { name: ' Create ' }).click();
+        await page.getByRole('menuitem', { name: 'Image File Input Object' }).click();
+
+        await page.setInputFiles('#fileElem', imageFilePath);
+
+        await page.getByRole('button', { name: 'Save' }).click();
+
+        const type = await page.locator('#file-input-type').textContent();
+        await expect(type).toBe(`"object"`);
+    });
+});
+
 test.describe('Persistence operations @addInit', () => {
     // add non persistable root item
     test.beforeEach(async ({ page }) => {

src/api/forms/components/controls/FileInput.vue

@@ -30,7 +30,7 @@
             id="fileElem"
             ref="fileInput"
             type="file"
-            accept=".json"
+            :accept="acceptableFileTypes"
             style="display:none"
         >
         <button
@@ -72,6 +72,13 @@ export default {
         },
         removable() {
             return (this.fileInfo || this.model.value) && this.model.removable;
+        },
+        acceptableFileTypes() {
+            if (this.model.type) {
+                return this.model.type;
+            }
+
+            return 'application/json';
         }
     },
     mounted() {
@@ -80,7 +87,13 @@ export default {
     methods: {
         handleFiles() {
             const fileList = this.$refs.fileInput.files;
-            this.readFile(fileList[0]);
+            const file = fileList[0];
+
+            if (this.acceptableFileTypes === 'application/json') {
+                this.readFile(file);
+            } else {
+                this.handleRawFile(file);
+            }
         },
         readFile(file) {
             const self = this;
@@ -104,6 +117,21 @@ export default {
 
             fileReader.readAsText(file);
         },
+        handleRawFile(file) {
+            const fileInfo = {
+                name: file.name,
+                body: file
+            };
+
+            this.fileInfo = Object.assign({}, fileInfo);
+
+            const data = {
+                model: this.model,
+                value: fileInfo
+            };
+
+            this.$emit('onChange', data);
+        },
         selectFile() {
             this.$refs.fileInput.click();
         },