svn commit: r537638 - /incubator/wicket/trunk/jdk-1.4/wicket/src/main/java/org/apache/wicket/markup/html/image/ContextImage.java

[al...@apache.org]

Author: almaw
Date: Sun May 13 11:54:35 2007
New Revision: 537638

URL: http://svn.apache.org/viewvc?view=rev&rev=537638
Log:
Add ContextImage for WICKET-390.

Added:
    incubator/wicket/trunk/jdk-1.4/wicket/src/main/java/org/apache/wicket/markup/html/image/ContextImage.java

Added: incubator/wicket/trunk/jdk-1.4/wicket/src/main/java/org/apache/wicket/markup/html/image/ContextImage.java
URL: http://svn.apache.org/viewvc/incubator/wicket/trunk/jdk-1.4/wicket/src/main/java/org/apache/wicket/markup/html/image/ContextImage.java?view=auto&rev=537638
==============================================================================
--- incubator/wicket/trunk/jdk-1.4/wicket/src/main/java/org/apache/wicket/markup/html/image/ContextImage.java (added)
+++ incubator/wicket/trunk/jdk-1.4/wicket/src/main/java/org/apache/wicket/markup/html/image/ContextImage.java Sun May 13 11:54:35 2007
@@ -0,0 +1,62 @@
+/*
+ * 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.image;
+
+import org.apache.wicket.Component;
+import org.apache.wicket.markup.ComponentTag;
+import org.apache.wicket.markup.html.WebComponent;
+import org.apache.wicket.model.IModel;
+
+/**
+ * Provides a context-relative image.
+ * <p>
+ * Provide a String in this component's model which will be prefixed such that
+ * the image is relative to the context root, no matter what URL the page the
+ * ContextImage is on is rendered at.
+ * 
+ * @author Alastair Maw
+ */
+public class ContextImage extends WebComponent
+{
+	private static final long serialVersionUID = 1L;
+
+	/**
+	 * @see Component#Component(String)
+	 */
+	public ContextImage(String id)
+	{
+		super(id);
+	}
+
+	/**
+	 * @see Component#Component(String, IModel)
+	 */
+	public ContextImage(String id, IModel model)
+	{
+		super(id, model);
+	}
+
+	/**
+	 * @see org.apache.wicket.Component#onComponentTag(ComponentTag)
+	 */
+	protected void onComponentTag(final ComponentTag tag)
+	{
+		checkComponentTag(tag, "img");
+		super.onComponentTag(tag);
+		tag.put("src", getRequest().getRelativePathPrefixToContextRoot() + getModelObjectAsString());
+	}
+}