Fix enabled handling for DateField and PopupDateField (#17620)

Change-Id: I3e38bb5c03453b6c1ad5c9bb717241297a779f73

client/src/com/vaadin/client/ui/VPopupCalendar.java

@@ -269,24 +269,29 @@ public class VPopupCalendar extends VTextualDate implements Field,
      */
     public void setTextFieldEnabled(boolean textFieldEnabled) {
         this.textFieldEnabled = textFieldEnabled;
+        updateTextFieldEnabled();
+    }
+
+    protected void updateTextFieldEnabled() {
+        boolean reallyEnabled = isEnabled() && isTextFieldEnabled();
         // IE has a non input disabled themeing that can not be overridden so we
         // must fake the functionality using readonly and unselectable
         if (BrowserInfo.get().isIE()) {
-            if (!textFieldEnabled) {
+            if (!reallyEnabled) {
                 text.getElement().setAttribute("unselectable", "on");
                 text.getElement().setAttribute("readonly", "");
                 text.setTabIndex(-2);
-            } else if (textFieldEnabled
+            } else if (reallyEnabled
                     && text.getElement().hasAttribute("unselectable")) {
                 text.getElement().removeAttribute("unselectable");
                 text.getElement().removeAttribute("readonly");
                 text.setTabIndex(0);
             }
         } else {
-            text.setEnabled(textFieldEnabled);
+            text.setEnabled(reallyEnabled);
         }
 
-        if (textFieldEnabled) {
+        if (reallyEnabled) {
             calendarToggle.setTabIndex(-1);
             Roles.getButtonRole().setAriaHiddenState(
                     calendarToggle.getElement(), true);
@@ -466,7 +471,7 @@ public class VPopupCalendar extends VTextualDate implements Field,
     @Override
     public void setEnabled(boolean enabled) {
         super.setEnabled(enabled);
-
+        updateTextFieldEnabled();
         calendarToggle.setEnabled(enabled);
         Roles.getButtonRole().setAriaDisabledState(calendarToggle.getElement(),
                 !enabled);
@@ -500,9 +505,7 @@ public class VPopupCalendar extends VTextualDate implements Field,
         if (!parsable) {
             setText(previousValue);
         }
-
-        // superclass sets the text field independently when building date
-        setTextFieldEnabled(isEnabled() && isTextFieldEnabled());
+        updateTextFieldEnabled();
     }
 
     /**

uitest/src/com/vaadin/tests/components/datefield/DateFieldWhenChangingValueAndEnablingParent.java

@@ -0,0 +1,76 @@
+package com.vaadin.tests.components.datefield;
+
+import java.util.Date;
+
+import com.vaadin.data.Property.ValueChangeEvent;
+import com.vaadin.data.Property.ValueChangeListener;
+import com.vaadin.server.VaadinRequest;
+import com.vaadin.tests.components.AbstractTestUI;
+import com.vaadin.ui.CheckBox;
+import com.vaadin.ui.DateField;
+import com.vaadin.ui.PopupDateField;
+import com.vaadin.ui.VerticalLayout;
+
+public class DateFieldWhenChangingValueAndEnablingParent extends AbstractTestUI {
+
+    @Override
+    protected void setup(VaadinRequest request) {
+        final VerticalLayout main = new VerticalLayout();
+        final VerticalLayout sub = new VerticalLayout();
+        final CheckBox chk = new CheckBox("Parent layout enabled");
+
+        main.setMargin(true);
+        setContent(main);
+
+        final DateField df1 = createDateField(true);
+        final DateField df2 = createDateField(false);
+        final PopupDateField pdf1 = createPopupDateField(true, true);
+        final PopupDateField pdf2 = createPopupDateField(true, false);
+        final PopupDateField pdf3 = createPopupDateField(false, true);
+        final PopupDateField pdf4 = createPopupDateField(false, false);
+
+        sub.addComponent(df1);
+        sub.addComponent(df2);
+        sub.addComponent(pdf1);
+        sub.addComponent(pdf2);
+        sub.addComponent(pdf3);
+        sub.addComponent(pdf4);
+        sub.setEnabled(false);
+        main.addComponent(chk);
+        main.addComponent(sub);
+
+        chk.addValueChangeListener(new ValueChangeListener() {
+
+            @Override
+            public void valueChange(ValueChangeEvent event) {
+                df1.setValue(new Date());
+                df2.setValue(new Date());
+                pdf1.setValue(new Date());
+                pdf2.setValue(new Date());
+                pdf3.setValue(new Date());
+                pdf4.setValue(new Date());
+                sub.setEnabled(chk.getValue());
+            }
+        });
+    }
+
+    private DateField createDateField(boolean enabled) {
+        DateField df = new DateField("DateField, "
+                + (enabled ? "enabled" : "disabled"));
+        df.setEnabled(enabled);
+        df.setId("DATEFIELD_" + (enabled ? "ENABLED" : "DISABLED"));
+        return df;
+    }
+
+    private PopupDateField createPopupDateField(boolean enabled,
+            boolean textInputEnabled) {
+        PopupDateField df = new PopupDateField("PopupDateField, "
+                + (enabled ? "enabled" : "disabled") + ", text input "
+                + (textInputEnabled ? "enabled" : "disabled"));
+        df.setEnabled(enabled);
+        df.setTextFieldEnabled(textInputEnabled);
+        df.setId("DATEFIELD_" + (enabled ? "ENABLED" : "DISABLED") + "_"
+                + (textInputEnabled ? "ENABLED" : "DISABLED"));
+        return df;
+    }
+}

uitest/src/com/vaadin/tests/components/datefield/DateFieldWhenChangingValueAndEnablingParentTest.java

@@ -0,0 +1,98 @@
+/*
+ * Copyright 2000-2014 Vaadin Ltd.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.vaadin.tests.components.datefield;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.openqa.selenium.By;
+
+import com.vaadin.testbench.elements.CheckBoxElement;
+import com.vaadin.testbench.elements.DateFieldElement;
+import com.vaadin.testbench.elements.PopupDateFieldElement;
+import com.vaadin.tests.tb3.SingleBrowserTest;
+
+public class DateFieldWhenChangingValueAndEnablingParentTest extends
+        SingleBrowserTest {
+
+    @Test
+    public void ensureCorrectStateAfterEnabling() {
+        openTestURL();
+        $(CheckBoxElement.class).first().click();
+
+        assertState($(DateFieldElement.class).id("DATEFIELD_ENABLED"), true,
+                true);
+        assertState($(DateFieldElement.class).id("DATEFIELD_DISABLED"), false,
+                false);
+
+        assertState(
+                $(PopupDateFieldElement.class).id("DATEFIELD_ENABLED_ENABLED"),
+                true, true);
+        assertState(
+                $(PopupDateFieldElement.class).id("DATEFIELD_ENABLED_DISABLED"),
+                true, false);
+
+        // disabling widget should always disable input
+        assertState(
+                $(PopupDateFieldElement.class).id("DATEFIELD_DISABLED_ENABLED"),
+                false, false);
+        assertState(
+                $(PopupDateFieldElement.class)
+                        .id("DATEFIELD_DISABLED_DISABLED"), false, false);
+
+    }
+
+    /**
+     * @since
+     * @param id
+     * @param widgetEnabled
+     * @param textInputEnabled
+     */
+    private void assertState(DateFieldElement id, boolean widgetEnabled,
+            boolean textInputEnabled) {
+        assertDateFieldEnabled(id, widgetEnabled);
+        assertTextInputEnabled(id, textInputEnabled);
+
+    }
+
+    private void assertDateFieldEnabled(DateFieldElement id,
+            boolean assertEnabled) {
+        boolean hasClass = hasCssClass(id, "v-disabled");
+        boolean fieldEnabled = !hasClass;
+        if (assertEnabled) {
+            Assert.assertTrue("Field " + id.getAttribute("id")
+                    + " should be enabled", fieldEnabled);
+        } else {
+            Assert.assertFalse("Field " + id.getAttribute("id")
+                    + " should be disabled", fieldEnabled);
+        }
+
+    }
+
+    private void assertTextInputEnabled(DateFieldElement id, boolean enabled) {
+        String disabledAttr = id.findElement(By.xpath("./input")).getAttribute(
+                "disabled");
+        boolean textinputEnabled = (disabledAttr == null);
+
+        if (enabled) {
+            Assert.assertTrue("Field " + id.getAttribute("id")
+                    + " text field should be enabled", textinputEnabled);
+        } else {
+            Assert.assertFalse("Field " + id.getAttribute("id")
+                    + " text field should be disabled", textinputEnabled);
+        }
+
+    }
+}