Pull request #1639: IconButton 类型补充

Merge in VISUAL/fineui from ~ALAN/fineui:master to master

* commit 'f0aeba3b8ac3cbae39613b43a8f41e748deb4f44':
  IconButton 类型补充

typescript/base/single/button/buttons/button.icon.ts

@@ -0,0 +1,5 @@
+import { BasicButton } from "../button.basic";
+
+export declare class IconButton extends BasicButton {
+    static xtype: string;
+}

typescript/index.ts

@@ -49,6 +49,7 @@ import { Icon } from "./base/single/icon/icon";
 import { _LeftVerticalAdapt } from "./core/wrapper/layout/adapt/adapt.leftvertical";
 import { LeftRightVerticalAdaptLayout } from "./core/wrapper/layout/adapt/adapt.leftrightvertical";
 import { IconTextIconItem } from "./base/single/button/listitem/icontexticonitem";
+import { IconButton } from "./base/single/button/buttons/button.icon";
 
 
 type ClassConstructor<T extends {}> = T & {
@@ -109,6 +110,7 @@ export interface BI extends _func, _i18n, _base, _inject {
     LeftVerticalAdaptLayout: ClassConstructor<_LeftVerticalAdapt>;
     LeftRightVerticalAdaptLayout: typeof LeftRightVerticalAdaptLayout;
     IconTextIconItem: typeof IconTextIconItem;
+    IconButton: typeof IconButton;
 }
 
 export default {
@@ -121,4 +123,5 @@ export {
     Icon,
     LeftRightVerticalAdaptLayout,
     IconTextIconItem,
+    IconButton,
 };