move files to subfolders

src/components/date-picker/panel/mixin.js

@@ -1,27 +0,0 @@
-const prefixCls = 'ivu-picker-panel';
-const datePrefixCls = 'ivu-date-picker';
-
-export default {
-    methods: {
-        iconBtnCls (direction, type = '') {
-            return [
-                `${prefixCls}-icon-btn`,
-                `${datePrefixCls}-${direction}-btn`,
-                `${datePrefixCls}-${direction}-btn-arrow${type}`,
-            ];
-        },
-        handleShortcutClick (shortcut) {
-            if (shortcut.value) this.$emit('on-pick', shortcut.value());
-            if (shortcut.onClick) shortcut.onClick(this);
-        },
-        handlePickClear () {
-            this.$emit('on-pick-clear');
-        },
-        handlePickSuccess () {
-            this.$emit('on-pick-success');
-        },
-        handlePickClick () {
-            this.$emit('on-pick-click');
-        }
-    }
-};