1 files changed, 107 insertions, 0 deletions
diff --git a/vnext/src/ui/MessageInput.js b/vnext/src/ui/MessageInput.js
new file mode 100644
index 00000000..e4988d59
--- /dev/null
+++ b/vnext/src/ui/MessageInput.js
@@ -0,0 +1,107 @@
+import React, { useState, useEffect, useRef } from 'react';
+import PropTypes from 'prop-types';
+
+import { useFormState } from 'react-use-form-state';
+
+import { MessageType } from './Types';
+
+import Icon from './Icon';
+import Button from './Button';
+
+import UploadButton from './UploadButton';
+
+export default function MessageInput({ text, data, rows, children, onSend }) {
+    let textareaRef = useRef();
+    let fileinput = useRef();
+
+    let updateFocus = () => {
+        const isDesktop = window.matchMedia('(min-width: 62.5rem)');
+        if (isDesktop.matches) {
+            textareaRef.current.focus();
+        }
+    };
+    useEffect(() => {
+        textareaRef.current.value = text || '';
+        updateFocus();
+    }, [text]);
+
+    let handleCtrlEnter = (event) => {
+        if (event.ctrlKey && (event.charCode == 10 || event.charCode == 13)) {
+            onSubmit({});
+        }
+    };
+    let textChanged = (event) => {
+        const el = textareaRef.current;
+        const offset = el.offsetHeight - el.clientHeight;
+        const height = el.scrollHeight + offset;
+        el.style.height = `${height + offset}px`;
+    };
+    const [attach, setAttach] = useState('');
+    const [formState, { textarea }] = useFormState();
+    let uploadValueChanged = (attach) => {
+        setAttach(attach);
+    };
+    let onSubmit = (event) => {
+        if (event.preventDefault) {
+            event.preventDefault();
+        }
+        const input = fileinput.current;
+        onSend({
+            mid: data.mid,
+            rid: data.rid || 0,
+            body: formState.values.body,
+            attach: attach ? input.files[0] : '',
+            to: data.to || {}
+        });
+        setAttach('');
+        formState.clearField('body');
+        textareaRef.current.style.height = '';
+        updateFocus();
+    };
+    return (
+        <form className="msg-comment-target" style={{ padding: '12px' }} onSubmit={onSubmit}>
+            <div style={commentStyle}>
+                <textarea onChange={textChanged} onKeyPress={handleCtrlEnter}
+                    ref={textareaRef} style={textInputStyle} value={formState.values.body}
+                    rows={rows || '1'} placeholder={children} {...textarea('body')} />
+                <div style={inputBarStyle}>
+                    <UploadButton inputRef={fileinput} value={attach} onChange={uploadValueChanged} />
+                    <Button onClick={onSubmit}><Icon name="ei-envelope" size="s" />Send</Button>
+                </div>
+            </div>
+        </form>
+    );
+}
+
+const commentStyle = {
+    display: 'flex',
+    flexDirection: 'column',
+    borderTop: '1px #eee solid',
+    width: '100%',
+    marginTop: '10px'
+};
+
+const inputBarStyle = {
+    display: 'flex',
+    alignItems: 'center',
+    justifyContent: 'space-between',
+    padding: '3px'
+};
+
+const textInputStyle = {
+    overflow: 'hidden',
+    resize: 'none',
+    display: 'block',
+    boxSizing: 'border-box',
+    border: 0,
+    outline: 'none',
+    padding: '4px'
+};
+
+MessageInput.propTypes = {
+    children: PropTypes.node,
+    data: MessageType.isRequired,
+    onSend: PropTypes.func.isRequired,
+    rows: PropTypes.string,
+    text: PropTypes.string
+};