[fixed] buttons submitting forms

fixes jquense#416

src/WidgetButton.jsx → src/Button.jsx

@@ -1,7 +1,7 @@
 import React from 'react';
 import cn from 'classnames';
 
-export default React.createClass({
+class Button extends React.Component {
 
   render() {
     let {
@@ -15,11 +15,17 @@ export default React.createClass({
       , component: Tag = 'button'
       , ...props } = this.props;
 
+    let type = props.type;
+
+    if (Tag === 'button')
+     type = type || 'button';
+
     return (
       <Tag
         {...props}
         tabIndex="-1"
         title={label}
+        type={type}
         disabled={disabled}
         aria-disabled={disabled}
         aria-label={label}
@@ -43,4 +49,6 @@ export default React.createClass({
       </Tag>
     )
   }
-})
+}
+
+export default Button;

src/DateTimePicker.jsx

@@ -16,7 +16,7 @@ import Popup from './Popup';
 import BaseCalendar from './Calendar';
 import TimeList from './TimeList';
 import DateTimePickerInput from './DateTimePickerInput';
-import Button from './WidgetButton';
+import Button from './Button';
 import CustomPropTypes from './util/propTypes';
 import createUncontrolledWidget from 'uncontrollable';
 import { widgetEditable } from './util/interaction';

src/Footer.jsx

@@ -1,5 +1,5 @@
 import React from 'react';
-import Button from './WidgetButton';
+import Button from './Button';
 import { date as dateLocalizer } from './util/localizers';
 
 var format = props => dateLocalizer.getFormat('footer', props.format)

src/Header.jsx

@@ -1,5 +1,5 @@
 import React from 'react';
-import Button from './WidgetButton';
+import Button from './Button';
 
 export default React.createClass({
   displayName: 'Header',

src/NumberPicker.jsx

@@ -8,7 +8,7 @@ import { directions } from './util/constants';
 import repeater from './util/repeater';
 import { number as numberLocalizer } from './util/localizers';
 import Input from './NumberInput';
-import Button from './WidgetButton';
+import Button from './Button';
 
 import { widgetEditable } from './util/interaction';
 import { notify } from './util/widgetHelpers';

src/Select.js

@@ -1,7 +1,7 @@
 import React from 'react';
 import cn from 'classnames';
 
-import Button from './WidgetButton';
+import Button from './Button';
 
 class Select extends React.Component {