From 457e802e2fe59ec35089a55acdc7b0321a2d4a5a Mon Sep 17 00:00:00 2001
From: Anna Miroshnik <anna.miroshnik@arcadia.spb.ru>
Date: Fri, 24 Oct 2014 20:07:36 +0400
Subject: DateField popup doesn't close when click on popup button (#14857)

Fix and tests.

Change-Id: I99d92c32727323fae543a24dfb90e849c3338a8c
---
 .../src/com/vaadin/client/ui/VPopupCalendar.java   | 79 +++++++++++++++++++---
 1 file changed, 68 insertions(+), 11 deletions(-)

(limited to 'client')

diff --git a/client/src/com/vaadin/client/ui/VPopupCalendar.java b/client/src/com/vaadin/client/ui/VPopupCalendar.java
index 51b2ee22ec..fbd66cff09 100644
--- a/client/src/com/vaadin/client/ui/VPopupCalendar.java
+++ b/client/src/com/vaadin/client/ui/VPopupCalendar.java
@@ -27,6 +27,10 @@ import com.google.gwt.event.dom.client.ClickEvent;
 import com.google.gwt.event.dom.client.ClickHandler;
 import com.google.gwt.event.dom.client.DomEvent;
 import com.google.gwt.event.dom.client.KeyCodes;
+import com.google.gwt.event.dom.client.MouseOutEvent;
+import com.google.gwt.event.dom.client.MouseOutHandler;
+import com.google.gwt.event.dom.client.MouseOverEvent;
+import com.google.gwt.event.dom.client.MouseOverHandler;
 import com.google.gwt.event.logical.shared.CloseEvent;
 import com.google.gwt.event.logical.shared.CloseHandler;
 import com.google.gwt.i18n.client.DateTimeFormat;
@@ -60,7 +64,8 @@ import com.vaadin.shared.ui.datefield.Resolution;
  * 
  */
 public class VPopupCalendar extends VTextualDate implements Field,
-        ClickHandler, CloseHandler<PopupPanel>, SubPartAware {
+        ClickHandler, MouseOverHandler, MouseOutHandler,
+        CloseHandler<PopupPanel>, SubPartAware {
 
     /** For internal use only. May be removed or replaced in the future. */
     public final Button calendarToggle = new Button();
@@ -75,6 +80,20 @@ public class VPopupCalendar extends VTextualDate implements Field,
     public boolean parsable = true;
 
     private boolean open = false;
+    /*
+     * To resolve #14857. If to click on calendarToggle button when calendar
+     * popup is opened (*1) then we have the following chain of calls:
+     * 
+     * 1) onClose() 2) onClick()
+     * 
+     * In this case we should prevent calling openCalendarPanel() in onClick.
+     */
+    private boolean preventOpenPopupCalendar = false;
+    /*
+     * To resolve #14857. To determine this situation (*1) we use onMouseOver
+     * and OnMouseOut (for calendarToggle button).
+     */
+    private boolean cursorOverCalendarToggleButton = false;
 
     private boolean textFieldEnabled = true;
 
@@ -89,6 +108,10 @@ public class VPopupCalendar extends VTextualDate implements Field,
 
         calendarToggle.setText("");
         calendarToggle.addClickHandler(this);
+
+        calendarToggle.addMouseOverHandler(this);
+        calendarToggle.addMouseOutHandler(this);
+
         // -2 instead of -1 to avoid FocusWidget.onAttach to reset it
         calendarToggle.getElement().setTabIndex(-2);
 
@@ -441,7 +464,10 @@ public class VPopupCalendar extends VTextualDate implements Field,
     @Override
     public void onClick(ClickEvent event) {
         if (event.getSource() == calendarToggle && isEnabled()) {
-            openCalendarPanel();
+            if (!preventOpenPopupCalendar) {
+                openCalendarPanel();
+            }
+            preventOpenPopupCalendar = false;
         }
     }
 
@@ -464,15 +490,22 @@ public class VPopupCalendar extends VTextualDate implements Field,
                 focus();
             }
 
-            // TODO resolve what the "Sigh." is all about and document it here
-            // Sigh.
-            Timer t = new Timer() {
-                @Override
-                public void run() {
-                    open = false;
-                }
-            };
-            t.schedule(100);
+            open = false;
+
+            if (cursorOverCalendarToggleButton) {
+                preventOpenPopupCalendar = true;
+
+                // To resolve the problem: onMouseOut event not triggered when
+                // moving mouse fast (GWT - all browsers)
+                Timer unPreventClickTimer = new Timer() {
+                    @Override
+                    public void run() {
+                        preventOpenPopupCalendar = false;
+                    }
+                };
+
+                unPreventClickTimer.schedule(300);
+            }
         }
     }
 
@@ -642,4 +675,28 @@ public class VPopupCalendar extends VTextualDate implements Field,
         calendar.setRangeEnd(rangeEnd);
     }
 
+    /*
+     * (non-Javadoc)
+     * 
+     * @see
+     * com.google.gwt.event.dom.client.MouseOverHandler#onMouseOver(com.google
+     * .gwt.event.dom.client.MouseOverEvent)
+     */
+    @Override
+    public void onMouseOver(MouseOverEvent event) {
+        cursorOverCalendarToggleButton = true;
+    }
+
+    /*
+     * (non-Javadoc)
+     * 
+     * @see
+     * com.google.gwt.event.dom.client.MouseOutHandler#onMouseOut(com.google
+     * .gwt.event.dom.client.MouseOutEvent)
+     */
+    @Override
+    public void onMouseOut(MouseOutEvent event) {
+        cursorOverCalendarToggleButton = false;
+    }
+
 }
-- 
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