Author: almaw
Date: Fri Jun 29 10:58:56 2007
New Revision: 551980
URL: http://svn.apache.org/viewvc?view=rev&rev=551980
Log:
WICKET-634 - AjaxFallbackButton
Added:
incubator/wicket/trunk/jdk-1.4/wicket/src/main/java/org/apache/wicket/ajax/markup/html/form/AjaxFallbackButton.java
(with props)
Added:
incubator/wicket/trunk/jdk-1.4/wicket/src/main/java/org/apache/wicket/ajax/markup/html/form/AjaxFallbackButton.java
URL:
http://svn.apache.org/viewvc/incubator/wicket/trunk/jdk-1.4/wicket/src/main/java/org/apache/wicket/ajax/markup/html/form/AjaxFallbackButton.java?view=auto&rev=551980
==============================================================================
---
incubator/wicket/trunk/jdk-1.4/wicket/src/main/java/org/apache/wicket/ajax/markup/html/form/AjaxFallbackButton.java
(added)
+++
incubator/wicket/trunk/jdk-1.4/wicket/src/main/java/org/apache/wicket/ajax/markup/html/form/AjaxFallbackButton.java
Fri Jun 29 10:58:56 2007
@@ -0,0 +1,149 @@
+/*
+ * 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.ajax.markup.html.form;
+
+import org.apache.wicket.ajax.AjaxRequestTarget;
+import org.apache.wicket.ajax.IAjaxCallDecorator;
+import org.apache.wicket.ajax.form.AjaxFormSubmitBehavior;
+import org.apache.wicket.markup.html.form.Button;
+import org.apache.wicket.markup.html.form.Form;
+import org.apache.wicket.model.IModel;
+import org.apache.wicket.util.string.AppendingStringBuffer;
+
+/**
+ * An ajax submit button that will degrade to a normal request if ajax is not
+ * available or javascript is disabled.
+ *
+ * @since 1.3
+ *
+ * @author Jeremy Thomerson (jthomerson)
+ * @author Alastair Maw
+ */
+public abstract class AjaxFallbackButton extends Button
+{
+
+ private static final long serialVersionUID = 1L;
+
+ private Form mForm;
+
+ /**
+ * Construct.
+ *
+ * @param id
+ * @param form
+ */
+ public AjaxFallbackButton(String id, Form form)
+ {
+ this(id, null, form);
+ }
+
+ /**
+ * Construct.
+ *
+ * @param id
+ * @param model
+ * @param form
+ */
+ public AjaxFallbackButton(String id, IModel model, Form form)
+ {
+ super(id, model);
+ mForm = form;
+
+ add(new AjaxFormSubmitBehavior(form, "onclick")
+ {
+
+ private static final long serialVersionUID = 1L;
+
+ protected void onSubmit(AjaxRequestTarget target)
+ {
+ AjaxFallbackButton.this.onSubmit(target, mForm);
+ }
+
+ protected void onError(AjaxRequestTarget target)
+ {
+ AjaxFallbackButton.this.onError(target, mForm);
+ }
+
+ protected CharSequence getEventHandler()
+ {
+ return new
AppendingStringBuffer(super.getEventHandler()).append("; return false;");
+ }
+
+ protected IAjaxCallDecorator getAjaxCallDecorator()
+ {
+ return
AjaxFallbackButton.this.getAjaxCallDecorator();
+ }
+
+ });
+ }
+
+ /**
+ * Listener method invoked on form submit with errors
+ *
+ * @param target
+ * @param form
+ *
+ * TODO 1.3: Make abstract to be consistent with onsubmit()
+ */
+ protected void onError(AjaxRequestTarget target, Form form)
+ {
+ // created to override
+ }
+
+ /**
+ * @see
org.apache.wicket.markup.html.form.IFormSubmittingComponent#onSubmit()
+ */
+ public void onSubmit()
+ {
+ if (!(getRequestCycle().getRequestTarget() instanceof
AjaxRequestTarget))
+ {
+ onSubmit(null, getForm());
+ }
+ }
+
+ public Form getForm()
+ {
+ return mForm == null ? super.getForm() : mForm;
+ }
+
+ /**
+ * Callback for the onClick event. If ajax failed and this event was
+ * generated via a normal submission, the target argument will be null
+ *
+ * @param target
+ * ajax target if this linked was invoked using ajax, null
+ * otherwise
+ * @param form
+ */
+ protected abstract void onSubmit(final AjaxRequestTarget target, final
Form form);
+
+ protected IAjaxCallDecorator getAjaxCallDecorator()
+ {
+ return null;
+ }
+
+ /**
+ * Helper methods that both checks whether the link is enabled and
whether
+ * the action ENABLE is allowed.
+ *
+ * @return whether the link should be rendered as enabled
+ */
+ protected final boolean isButtonEnabled()
+ {
+ return isEnabled() && isEnableAllowed();
+ }
+}
Propchange:
incubator/wicket/trunk/jdk-1.4/wicket/src/main/java/org/apache/wicket/ajax/markup/html/form/AjaxFallbackButton.java
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