fix: Disabled should not click to open (#51)

* test case

* not open

Author: zombieJ

src/Picker.tsx

@@ -240,6 +240,10 @@ function InnerPicker<DateType>(props: PickerProps<DateType>) {
   };
 
   const triggerOpen = (newOpen: boolean, preventChangeEvent: boolean = false) => {
+    if (disabled && newOpen) {
+      return;
+    }
+
     triggerInnerOpen(newOpen);
     if (!newOpen && !preventChangeEvent) {
       triggerChange(selectedValue);

tests/picker.spec.tsx

@@ -546,6 +546,15 @@ describe('Picker.Basic', () => {
     expect(onMouseUp).toHaveBeenCalled();
   });
 
+  it('not open when disabled', () => {
+    const wrapper = mount(<MomentPicker disabled />);
+    wrapper.find('.rc-picker').simulate('mouseUp');
+    expect(wrapper.isOpen()).toBeFalsy();
+
+    wrapper.setProps({ disabled: false });
+    expect(wrapper.isOpen()).toBeFalsy();
+  });
+
   it('defaultOpenValue in timePicker', () => {
     resetWarned();
     const onChange = jest.fn();