in order to test #5859

packages/filesystem/src/browser/file-dialog/file-dialog.ts

@@ -17,7 +17,7 @@
 import { injectable, inject } from 'inversify';
 import { Message } from '@phosphor/messaging';
 import { Disposable, MaybeArray } from '@theia/core/lib/common';
-import { Key } from '@theia/core/lib/browser';
+import { Key, SingleTextInputDialog } from '@theia/core/lib/browser';
 import { AbstractDialog, DialogProps, setEnabled, createIconButton, Widget } from '@theia/core/lib/browser';
 import { FileStatNode } from '../file-tree';
 import { LocationListRenderer } from '../location';
@@ -237,6 +237,8 @@ export abstract class FileDialog<T> extends AbstractDialog<T> {
 @injectable()
 export class OpenFileDialog extends FileDialog<MaybeArray<FileStatNode>> {
 
+    protected openButton: HTMLButtonElement | undefined;
+
     constructor(
         @inject(OpenFileDialogProps) readonly props: OpenFileDialogProps,
         @inject(FileDialogWidget) readonly widget: FileDialogWidget
@@ -245,6 +247,22 @@ export class OpenFileDialog extends FileDialog<MaybeArray<FileStatNode>> {
         if (props.canSelectFiles !== undefined) {
             this.widget.disableFileSelection = !props.canSelectFiles;
         }
+        this.openButton = this.createButton('open single text');
+        this.controlPanel.appendChild(this.openButton);
+        this.openButton.classList.add('main');
+        this.openButton.addEventListener('click', () => this.openInputDialog());
+    }
+
+    private openInputDialog(): void {
+        const dialog = new SingleTextInputDialog({
+            title: 'New File',
+            initialValue: '12131'
+        });
+        dialog.open().then((name: string) => {
+            if (name) {
+                console.log(name);
+            }
+        });
     }
 
     protected getAcceptButtonLabel(): string {