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Posted to commits@wicket.apache.org by sv...@apache.org on 2017/04/04 15:38:13 UTC
[6/8] wicket git commit: WICKET-6348 renamed to
FormComponentUpdatingBehavior
WICKET-6348 renamed to FormComponentUpdatingBehavior
keep deprecated getJsForInterfaceUrl()
Project: http://git-wip-us.apache.org/repos/asf/wicket/repo
Commit: http://git-wip-us.apache.org/repos/asf/wicket/commit/9bc7ee47
Tree: http://git-wip-us.apache.org/repos/asf/wicket/tree/9bc7ee47
Diff: http://git-wip-us.apache.org/repos/asf/wicket/diff/9bc7ee47
Branch: refs/heads/master
Commit: 9bc7ee4742715d83cf4d384151cbbb4bd7e2e2d2
Parents: 8f8ad37
Author: Sven Meier <sv...@apache.org>
Authored: Thu Mar 30 09:44:21 2017 +0200
Committer: Sven Meier <sv...@apache.org>
Committed: Tue Apr 4 17:30:04 2017 +0200
----------------------------------------------------------------------
.../apache/wicket/markup/html/form/Form.java | 7 +
.../form/FormComponentUpdatingBehavior.java | 218 +++++++++++++++++++
.../html/form/SelectionChangeBehavior.java | 218 -------------------
.../apache/wicket/util/tester/FormTester.java | 4 +-
.../org/apache/wicket/MockPageWithForm.java | 6 +-
.../wicket/util/tester/FormTesterTest.java | 6 +-
.../extensions/yui/calendar/DatesPage1.java | 4 +-
.../apache/wicket/examples/dates/DatesPage.java | 4 +-
.../wicket/examples/forminput/FormInput.java | 6 +-
.../wicket/examples/tree/AdvancedTreePage.java | 6 +-
10 files changed, 243 insertions(+), 236 deletions(-)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/wicket/blob/9bc7ee47/wicket-core/src/main/java/org/apache/wicket/markup/html/form/Form.java
----------------------------------------------------------------------
diff --git a/wicket-core/src/main/java/org/apache/wicket/markup/html/form/Form.java b/wicket-core/src/main/java/org/apache/wicket/markup/html/form/Form.java
index 6edd242..13aadf8 100644
--- a/wicket-core/src/main/java/org/apache/wicket/markup/html/form/Form.java
+++ b/wicket-core/src/main/java/org/apache/wicket/markup/html/form/Form.java
@@ -509,6 +509,13 @@ public class Form<T> extends WebMarkupContainer
}
/**
+ * @deprecated use {@link #getJsForListenerUrl(CharSequence)} instead.
+ */
+ public final CharSequence getJsForInterfaceUrl(CharSequence url) {
+ return getJsForListenerUrl(url);
+ }
+
+ /**
* Generate a piece of JavaScript that submits the form to the given URL.
*
* Warning: This code should only be called in the rendering phase for form components inside
http://git-wip-us.apache.org/repos/asf/wicket/blob/9bc7ee47/wicket-core/src/main/java/org/apache/wicket/markup/html/form/FormComponentUpdatingBehavior.java
----------------------------------------------------------------------
diff --git a/wicket-core/src/main/java/org/apache/wicket/markup/html/form/FormComponentUpdatingBehavior.java b/wicket-core/src/main/java/org/apache/wicket/markup/html/form/FormComponentUpdatingBehavior.java
new file mode 100644
index 0000000..e57828b
--- /dev/null
+++ b/wicket-core/src/main/java/org/apache/wicket/markup/html/form/FormComponentUpdatingBehavior.java
@@ -0,0 +1,218 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 org.apache.wicket.markup.html.form;
+
+import org.apache.wicket.Component;
+import org.apache.wicket.IRequestListener;
+import org.apache.wicket.ajax.form.AjaxFormComponentUpdatingBehavior;
+import org.apache.wicket.behavior.Behavior;
+import org.apache.wicket.markup.ComponentTag;
+import org.apache.wicket.request.mapper.parameter.PageParameters;
+import org.apache.wicket.util.lang.Args;
+
+/**
+ * A behavior to get notifications when a {@link FormComponent} changes its value.
+ * <p>
+ * Contrary to {@link AjaxFormComponentUpdatingBehavior} all notification are send via
+ * standard HTTP requests and the full page is rendered as a response.
+ *
+ * @see FormComponentUpdatingBehavior#onUpdate()
+ */
+public class FormComponentUpdatingBehavior extends Behavior implements IRequestListener
+{
+
+ private FormComponent<?> formComponent;
+
+ @Override
+ public boolean getStatelessHint(Component component)
+ {
+ return false;
+ }
+
+ @Override
+ public final void bind(final Component hostComponent)
+ {
+ Args.notNull(hostComponent, "hostComponent");
+
+ if (formComponent != null)
+ {
+ throw new IllegalStateException("this kind of handler cannot be attached to " +
+ "multiple components; it is already attached to component " + formComponent +
+ ", but component " + hostComponent + " wants to be attached too");
+ }
+
+ this.formComponent = (FormComponent<?>)hostComponent;
+
+ formComponent.setRenderBodyOnly(false);
+
+ // call the callback
+ onBind();
+ }
+
+ protected void onBind()
+ {
+ }
+
+ public FormComponent<?> getFormComponent()
+ {
+ return formComponent;
+ }
+
+ @Override
+ public void onComponentTag(Component component, ComponentTag tag)
+ {
+ CharSequence url = component.urlForListener(this, new PageParameters());
+
+ String event = getJSEvent();
+
+ String condition = String.format("if (event.target.name !== '%s') return; ",
+ formComponent.getInputName());
+
+ Form<?> form = component.findParent(Form.class);
+ if (form != null)
+ {
+ tag.put(event, condition + form.getJsForListenerUrl(url.toString()));
+ }
+ else
+ {
+ char separator = url.toString().indexOf('?') > -1 ? '&' : '?';
+
+ tag.put(event, condition + String.format("window.location.href='%s%s%s=' + %s;", url,
+ separator, formComponent.getInputName(), getJSValue()));
+ }
+ }
+
+ /**
+ * Which JavaScript event triggers notification.
+ */
+ private String getJSEvent()
+ {
+ if (formComponent instanceof DropDownChoice || formComponent instanceof AbstractTextComponent)
+ {
+ return "onchange";
+ }
+ else
+ {
+ return "onclick";
+ }
+ }
+
+ /**
+ * How to get the current value via JavaScript.
+ */
+ private String getJSValue()
+ {
+ if (formComponent instanceof DropDownChoice)
+ {
+ return "this.options[this.selectedIndex].value";
+ }
+ else if (formComponent instanceof CheckBox)
+ {
+ return "this.checked";
+ }
+ else
+ {
+ return "event.target.value";
+ }
+ }
+
+ /**
+ * Process the form component.
+ */
+ private void process()
+ {
+ formComponent.validate();
+ if (formComponent.isValid())
+ {
+ if (getUpdateModel())
+ {
+ formComponent.valid();
+ formComponent.updateModel();
+ }
+
+ onUpdate();
+ }
+ else
+ {
+ formComponent.invalid();
+ }
+
+ onUpdate();
+ }
+
+ /**
+ * Gives the control to the application to decide whether the form component model should
+ * be updated automatically or not. Make sure to call {@link org.apache.wicket.markup.html.form.FormComponent#valid()}
+ * additionally in case the application want to update the model manually.
+ *
+ * @return true if the model of form component should be updated, false otherwise
+ */
+ protected boolean getUpdateModel()
+ {
+ return true;
+ }
+
+ /**
+ * Hook method invoked when the component is updated.
+ */
+ protected void onUpdate()
+ {
+ }
+
+ @Override
+ public final void onRequest()
+ {
+ Form<?> form = formComponent.findParent(Form.class);
+ if (form == null)
+ {
+ process();
+ }
+ else
+ {
+ form.getRootForm().onFormSubmitted(new IFormSubmitter()
+ {
+ @Override
+ public void onSubmit()
+ {
+ process();
+ }
+
+ @Override
+ public void onError()
+ {
+ }
+
+ @Override
+ public void onAfterSubmit()
+ {
+ }
+
+ @Override
+ public Form<?> getForm()
+ {
+ return formComponent.getForm();
+ }
+
+ @Override
+ public boolean getDefaultFormProcessing()
+ {
+ return false;
+ }
+ });
+ }
+ }
+}
http://git-wip-us.apache.org/repos/asf/wicket/blob/9bc7ee47/wicket-core/src/main/java/org/apache/wicket/markup/html/form/SelectionChangeBehavior.java
----------------------------------------------------------------------
diff --git a/wicket-core/src/main/java/org/apache/wicket/markup/html/form/SelectionChangeBehavior.java b/wicket-core/src/main/java/org/apache/wicket/markup/html/form/SelectionChangeBehavior.java
deleted file mode 100644
index 8298c06..0000000
--- a/wicket-core/src/main/java/org/apache/wicket/markup/html/form/SelectionChangeBehavior.java
+++ /dev/null
@@ -1,218 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You 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 org.apache.wicket.markup.html.form;
-
-import org.apache.wicket.Component;
-import org.apache.wicket.IRequestListener;
-import org.apache.wicket.ajax.form.AjaxFormChoiceComponentUpdatingBehavior;
-import org.apache.wicket.behavior.Behavior;
-import org.apache.wicket.markup.ComponentTag;
-import org.apache.wicket.request.mapper.parameter.PageParameters;
-import org.apache.wicket.util.lang.Args;
-
-/**
- * A behavior to get change notifications when a choice component changes its selection.
- * <p>
- * Contrary to {@link AjaxFormChoiceComponentUpdatingBehavior} all notification are send via
- * standard HTTP requests and the full page is rendered as the response.
- *
- * @see SelectionChangeBehavior#onSelectionChanged()
- */
-public class SelectionChangeBehavior extends Behavior implements IRequestListener
-{
-
- private FormComponent<?> formComponent;
-
- @Override
- public boolean getStatelessHint(Component component)
- {
- return false;
- }
-
- @Override
- public final void bind(final Component hostComponent)
- {
- Args.notNull(hostComponent, "hostComponent");
-
- if (formComponent != null)
- {
- throw new IllegalStateException("this kind of handler cannot be attached to " +
- "multiple components; it is already attached to component " + formComponent +
- ", but component " + hostComponent + " wants to be attached too");
- }
-
- this.formComponent = (FormComponent<?>)hostComponent;
-
- formComponent.setRenderBodyOnly(false);
-
- // call the callback
- onBind();
- }
-
- protected void onBind()
- {
- }
-
- public FormComponent<?> getFormComponent()
- {
- return formComponent;
- }
-
- @Override
- public void onComponentTag(Component component, ComponentTag tag)
- {
- CharSequence url = component.urlForListener(this, new PageParameters());
-
- String event = getJSEvent();
-
- String condition = String.format("if (event.target.name !== '%s') return; ",
- formComponent.getInputName());
-
- Form<?> form = component.findParent(Form.class);
- if (form != null)
- {
- tag.put(event, condition + form.getJsForListenerUrl(url.toString()));
- }
- else
- {
- char separator = url.toString().indexOf('?') > -1 ? '&' : '?';
-
- tag.put(event, condition + String.format("window.location.href='%s%s%s=' + %s;", url,
- separator, formComponent.getInputName(), getJSValue()));
- }
- }
-
- /**
- * Which JavaScript event triggers notification.
- */
- private String getJSEvent()
- {
- if (formComponent instanceof DropDownChoice)
- {
- return "onchange";
- }
- else
- {
- return "onclick";
- }
- }
-
- /**
- * How to get the current value via JavaScript.
- */
- private String getJSValue()
- {
- if (formComponent instanceof DropDownChoice)
- {
- return "this.options[this.selectedIndex].value";
- }
- else if (formComponent instanceof CheckBox)
- {
- return "this.checked";
- }
- else
- {
- return "event.target.value";
- }
- }
-
- /**
- * Process the form component.
- */
- private void process()
- {
- formComponent.validate();
- if (formComponent.isValid())
- {
- if (getUpdateModel())
- {
- formComponent.valid();
- formComponent.updateModel();
- }
-
- onSelectionChanged();
- }
- else
- {
- formComponent.invalid();
- }
-
- onSelectionChanged();
- }
-
- /**
- * Gives the control to the application to decide whether the form component model should
- * be updated automatically or not. Make sure to call {@link org.apache.wicket.markup.html.form.FormComponent#valid()}
- * additionally in case the application want to update the model manually.
- *
- * @return true if the model of form component should be updated, false otherwise
- */
- protected boolean getUpdateModel()
- {
- return true;
- }
-
- /**
- * Hook method invoked when selection has changed.
- */
- protected void onSelectionChanged()
- {
- }
-
- @Override
- public final void onRequest()
- {
- Form<?> form = formComponent.findParent(Form.class);
- if (form == null)
- {
- process();
- }
- else
- {
- form.getRootForm().onFormSubmitted(new IFormSubmitter()
- {
- @Override
- public void onSubmit()
- {
- process();
- }
-
- @Override
- public void onError()
- {
- }
-
- @Override
- public void onAfterSubmit()
- {
- }
-
- @Override
- public Form<?> getForm()
- {
- return formComponent.getForm();
- }
-
- @Override
- public boolean getDefaultFormProcessing()
- {
- return false;
- }
- });
- }
- }
-}
http://git-wip-us.apache.org/repos/asf/wicket/blob/9bc7ee47/wicket-core/src/main/java/org/apache/wicket/util/tester/FormTester.java
----------------------------------------------------------------------
diff --git a/wicket-core/src/main/java/org/apache/wicket/util/tester/FormTester.java b/wicket-core/src/main/java/org/apache/wicket/util/tester/FormTester.java
index 31448d9..93b735c 100644
--- a/wicket-core/src/main/java/org/apache/wicket/util/tester/FormTester.java
+++ b/wicket-core/src/main/java/org/apache/wicket/util/tester/FormTester.java
@@ -38,7 +38,7 @@ import org.apache.wicket.markup.html.form.IFormSubmittingComponent;
import org.apache.wicket.markup.html.form.ListMultipleChoice;
import org.apache.wicket.markup.html.form.Radio;
import org.apache.wicket.markup.html.form.RadioGroup;
-import org.apache.wicket.markup.html.form.SelectionChangeBehavior;
+import org.apache.wicket.markup.html.form.FormComponentUpdatingBehavior;
import org.apache.wicket.markup.html.form.upload.FileUploadField;
import org.apache.wicket.markup.html.form.upload.MultiFileUploadField;
import org.apache.wicket.protocol.http.mock.MockHttpServletRequest;
@@ -506,7 +506,7 @@ public class FormTester
ChoiceSelector choiceSelector = choiceSelectorFactory.create(component);
choiceSelector.doSelect(index);
- List<SelectionChangeBehavior> behaviors = component.getBehaviors(SelectionChangeBehavior.class);
+ List<FormComponentUpdatingBehavior> behaviors = component.getBehaviors(FormComponentUpdatingBehavior.class);
if (behaviors.isEmpty() == false) {
tester.invokeListener(component, behaviors.get(0));
}
http://git-wip-us.apache.org/repos/asf/wicket/blob/9bc7ee47/wicket-core/src/test/java/org/apache/wicket/MockPageWithForm.java
----------------------------------------------------------------------
diff --git a/wicket-core/src/test/java/org/apache/wicket/MockPageWithForm.java b/wicket-core/src/test/java/org/apache/wicket/MockPageWithForm.java
index 4b8e706..76c2e58 100644
--- a/wicket-core/src/test/java/org/apache/wicket/MockPageWithForm.java
+++ b/wicket-core/src/test/java/org/apache/wicket/MockPageWithForm.java
@@ -22,7 +22,7 @@ import java.util.List;
import org.apache.wicket.markup.html.WebPage;
import org.apache.wicket.markup.html.form.DropDownChoice;
import org.apache.wicket.markup.html.form.Form;
-import org.apache.wicket.markup.html.form.SelectionChangeBehavior;
+import org.apache.wicket.markup.html.form.FormComponentUpdatingBehavior;
import org.apache.wicket.model.Model;
@@ -62,9 +62,9 @@ public class MockPageWithForm extends WebPage
list.add("Select me");
MyForm form = new MyForm("form");
DropDownChoice<String> dropDown = new DropDownChoice<String>("dropdown", new Model<String>(), list);
- dropDown.add(new SelectionChangeBehavior() {
+ dropDown.add(new FormComponentUpdatingBehavior() {
@Override
- protected void onSelectionChanged()
+ protected void onUpdate()
{
selected = true;
}
http://git-wip-us.apache.org/repos/asf/wicket/blob/9bc7ee47/wicket-core/src/test/java/org/apache/wicket/util/tester/FormTesterTest.java
----------------------------------------------------------------------
diff --git a/wicket-core/src/test/java/org/apache/wicket/util/tester/FormTesterTest.java b/wicket-core/src/test/java/org/apache/wicket/util/tester/FormTesterTest.java
index 945e46e..fe152ef 100644
--- a/wicket-core/src/test/java/org/apache/wicket/util/tester/FormTesterTest.java
+++ b/wicket-core/src/test/java/org/apache/wicket/util/tester/FormTesterTest.java
@@ -28,7 +28,7 @@ import org.apache.wicket.markup.IMarkupResourceStreamProvider;
import org.apache.wicket.markup.html.WebPage;
import org.apache.wicket.markup.html.form.DropDownChoice;
import org.apache.wicket.markup.html.form.Form;
-import org.apache.wicket.markup.html.form.SelectionChangeBehavior;
+import org.apache.wicket.markup.html.form.FormComponentUpdatingBehavior;
import org.apache.wicket.markup.html.form.upload.FileUpload;
import org.apache.wicket.model.Model;
import org.apache.wicket.request.mapper.parameter.PageParameters;
@@ -265,9 +265,9 @@ public class FormTesterTest extends WicketTestCase
Form<Object> form = new Form<>("form");
add(form);
List<String> choices = Arrays.asList("opt 1", "opt 2");
- form.add(new DropDownChoice<String>("selector", Model.of(""), choices).add(new SelectionChangeBehavior() {
+ form.add(new DropDownChoice<String>("selector", Model.of(""), choices).add(new FormComponentUpdatingBehavior() {
@Override
- protected void onSelectionChanged()
+ protected void onUpdate()
{
selection = (String)getFormComponent().getDefaultModelObject();
}
http://git-wip-us.apache.org/repos/asf/wicket/blob/9bc7ee47/wicket-datetime/src/test/java/org/apache/wicket/extensions/yui/calendar/DatesPage1.java
----------------------------------------------------------------------
diff --git a/wicket-datetime/src/test/java/org/apache/wicket/extensions/yui/calendar/DatesPage1.java b/wicket-datetime/src/test/java/org/apache/wicket/extensions/yui/calendar/DatesPage1.java
index 43f4067..a632e97 100644
--- a/wicket-datetime/src/test/java/org/apache/wicket/extensions/yui/calendar/DatesPage1.java
+++ b/wicket-datetime/src/test/java/org/apache/wicket/extensions/yui/calendar/DatesPage1.java
@@ -31,7 +31,7 @@ import org.apache.wicket.markup.html.WebPage;
import org.apache.wicket.markup.html.form.ChoiceRenderer;
import org.apache.wicket.markup.html.form.DropDownChoice;
import org.apache.wicket.markup.html.form.Form;
-import org.apache.wicket.markup.html.form.SelectionChangeBehavior;
+import org.apache.wicket.markup.html.form.FormComponentUpdatingBehavior;
import org.apache.wicket.markup.html.link.Link;
import org.apache.wicket.markup.html.panel.FeedbackPanel;
import org.apache.wicket.model.IModel;
@@ -111,7 +111,7 @@ public class DatesPage1 extends WebPage
setChoiceRenderer(new LocaleChoiceRenderer());
setDefaultModel(new PropertyModel<>(DatesPage1.this, "selectedLocale"));
- add(new SelectionChangeBehavior());
+ add(new FormComponentUpdatingBehavior());
}
@Override
http://git-wip-us.apache.org/repos/asf/wicket/blob/9bc7ee47/wicket-examples/src/main/java/org/apache/wicket/examples/dates/DatesPage.java
----------------------------------------------------------------------
diff --git a/wicket-examples/src/main/java/org/apache/wicket/examples/dates/DatesPage.java b/wicket-examples/src/main/java/org/apache/wicket/examples/dates/DatesPage.java
index eaaaed2..dadad43 100644
--- a/wicket-examples/src/main/java/org/apache/wicket/examples/dates/DatesPage.java
+++ b/wicket-examples/src/main/java/org/apache/wicket/examples/dates/DatesPage.java
@@ -34,7 +34,7 @@ import org.apache.wicket.extensions.yui.calendar.TimeField;
import org.apache.wicket.markup.html.form.ChoiceRenderer;
import org.apache.wicket.markup.html.form.DropDownChoice;
import org.apache.wicket.markup.html.form.Form;
-import org.apache.wicket.markup.html.form.SelectionChangeBehavior;
+import org.apache.wicket.markup.html.form.FormComponentUpdatingBehavior;
import org.apache.wicket.markup.html.link.Link;
import org.apache.wicket.markup.html.panel.FeedbackPanel;
import org.apache.wicket.model.IModel;
@@ -102,7 +102,7 @@ public class DatesPage extends WicketExamplePage
setChoiceRenderer(new LocaleChoiceRenderer());
setDefaultModel(new PropertyModel<>(DatesPage.this, "selectedLocale"));
- add(new SelectionChangeBehavior());
+ add(new FormComponentUpdatingBehavior());
}
}
http://git-wip-us.apache.org/repos/asf/wicket/blob/9bc7ee47/wicket-examples/src/main/java/org/apache/wicket/examples/forminput/FormInput.java
----------------------------------------------------------------------
diff --git a/wicket-examples/src/main/java/org/apache/wicket/examples/forminput/FormInput.java b/wicket-examples/src/main/java/org/apache/wicket/examples/forminput/FormInput.java
index ecc3414..0ff4681 100644
--- a/wicket-examples/src/main/java/org/apache/wicket/examples/forminput/FormInput.java
+++ b/wicket-examples/src/main/java/org/apache/wicket/examples/forminput/FormInput.java
@@ -35,7 +35,7 @@ import org.apache.wicket.markup.html.form.ListMultipleChoice;
import org.apache.wicket.markup.html.form.Radio;
import org.apache.wicket.markup.html.form.RadioChoice;
import org.apache.wicket.markup.html.form.RadioGroup;
-import org.apache.wicket.markup.html.form.SelectionChangeBehavior;
+import org.apache.wicket.markup.html.form.FormComponentUpdatingBehavior;
import org.apache.wicket.markup.html.form.SimpleFormComponentLabel;
import org.apache.wicket.markup.html.form.TextField;
import org.apache.wicket.markup.html.link.Link;
@@ -250,9 +250,9 @@ public class FormInput extends WicketExamplePage
// updating the current locale to property 'locale' of FormInput
setModel(new PropertyModel<>(FormInput.this, "locale"));
- add(new SelectionChangeBehavior() {
+ add(new FormComponentUpdatingBehavior() {
@Override
- protected void onSelectionChanged()
+ protected void onUpdate()
{
// note that we don't have to do anything here, as our property
// model already calls FormInput.setLocale when the model is
http://git-wip-us.apache.org/repos/asf/wicket/blob/9bc7ee47/wicket-examples/src/main/java/org/apache/wicket/examples/tree/AdvancedTreePage.java
----------------------------------------------------------------------
diff --git a/wicket-examples/src/main/java/org/apache/wicket/examples/tree/AdvancedTreePage.java b/wicket-examples/src/main/java/org/apache/wicket/examples/tree/AdvancedTreePage.java
index 4522885..d5c4abc 100644
--- a/wicket-examples/src/main/java/org/apache/wicket/examples/tree/AdvancedTreePage.java
+++ b/wicket-examples/src/main/java/org/apache/wicket/examples/tree/AdvancedTreePage.java
@@ -43,7 +43,7 @@ import org.apache.wicket.markup.html.form.Button;
import org.apache.wicket.markup.html.form.ChoiceRenderer;
import org.apache.wicket.markup.html.form.DropDownChoice;
import org.apache.wicket.markup.html.form.Form;
-import org.apache.wicket.markup.html.form.SelectionChangeBehavior;
+import org.apache.wicket.markup.html.form.FormComponentUpdatingBehavior;
import org.apache.wicket.markup.html.link.Link;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.PropertyModel;
@@ -98,10 +98,10 @@ public abstract class AdvancedTreePage extends AbstractTreePage
form.add(tree);
form.add(new DropDownChoice<Content>("content", new PropertyModel<>(this, "content"),
- initContents(), new ChoiceRenderer<>("class.simpleName")).add(new SelectionChangeBehavior()));
+ initContents(), new ChoiceRenderer<>("class.simpleName")).add(new FormComponentUpdatingBehavior()));
form.add(new DropDownChoice<Behavior>("theme", new PropertyModel<>(this, "theme"),
- initThemes(), new ChoiceRenderer<>("class.simpleName")).add(new SelectionChangeBehavior()));
+ initThemes(), new ChoiceRenderer<>("class.simpleName")).add(new FormComponentUpdatingBehavior()));
form.add(new Link<Void>("expandAll")
{