fix for issues JedWatson#1020 and JedWatson#2102

* fix for issues JedWatson#1020 and JedWatson#2102

* updated test to fix test for input focus as componentDidUpdate would set the focus to input if the menu is open

* added tests for fix JedWatson#1020 and JedWatson#2102

src/Select.js

@@ -153,6 +153,12 @@ class Select extends React.Component {
 			const handler = this.state.isOpen ? this.props.onOpen : this.props.onClose;
 			handler && handler();
 		}
+
+		// let the input have focus as current code does not close menu on clicking outside on the body
+		// with focus user can perform all the actions and get more control over closing the menu
+		if(this.state.isOpen){
+			this.focus();
+		}
 	}
 
 	componentWillUnmount () {
@@ -350,7 +356,16 @@ class Select extends React.Component {
 		}
 
 		if (this.props.onBlur) {
-			this.props.onBlur(event);
+			// allow onBlur to decide to close the menu or keep it open
+			// this will allow tether users to take control of closing the menu on their conditions
+			// this fix is useful when consumer is using tether and avoiding closing menu if you drag the scroll bar in IE
+			const allowBlur = this.props.onBlur(event);
+
+			// explicit check for false value to avoid break in code
+			if(allowBlur === false){
+				this.focus();
+				return;
+			}
 		}
 		var onBlurredState = {
 			isFocused: false,

test/Async-test.js

@@ -493,7 +493,8 @@ describe('Async', () => {
 		});
 
 		it('focuses the search input', () => {
-			expect(filterInputNode, 'not to equal', document.activeElement);
+			// test would fail as `componentDidUpdate` will set focus if the menu is open
+			//expect(filterInputNode, 'not to equal', document.activeElement);
 			asyncInstance.focus();
 			expect(filterInputNode, 'to equal', document.activeElement);
 		});

test/Select-test.js

@@ -3172,6 +3172,36 @@ describe('Select', () => {
 			});
 		});
 
+		describe('option onBlur returns non false value', () => {
+			it('menu should be closed', () => {
+				instance = createControl({
+					options: defaultOptions,
+					onBlur: (e) => {
+						return true;
+					}
+				});
+
+				clickArrowToOpen();
+				instance.handleInputBlur();
+				expect( instance.state.isOpen, 'to be false');
+			});
+		});
+
+		describe('option onBlur returns false', () => {
+			it('menu must remain open', () => {
+				instance = createControl({
+					options: defaultOptions,
+					onBlur: (e) => {
+						return false;
+					}
+				});
+
+				clickArrowToOpen();
+				instance.handleInputBlur();
+				expect( instance.state.isOpen, 'to be true');
+			});
+		});
+
 		describe('onFocus', () => {
 
 			var onFocus;