svn commit: r938717 - /myfaces/tomahawk/trunk/core20/src/main/java/org/apache/myfaces/custom/tree/renderkit/html/HtmlTreeImageCommandLinkRenderer.java

[lu...@apache.org]

Author: lu4242
Date: Tue Apr 27 23:07:13 2010
New Revision: 938717

URL: http://svn.apache.org/viewvc?rev=938717&view=rev
Log:
add renderer for add new resource api usage

Added:
    myfaces/tomahawk/trunk/core20/src/main/java/org/apache/myfaces/custom/tree/renderkit/html/HtmlTreeImageCommandLinkRenderer.java

Added: myfaces/tomahawk/trunk/core20/src/main/java/org/apache/myfaces/custom/tree/renderkit/html/HtmlTreeImageCommandLinkRenderer.java
URL: http://svn.apache.org/viewvc/myfaces/tomahawk/trunk/core20/src/main/java/org/apache/myfaces/custom/tree/renderkit/html/HtmlTreeImageCommandLinkRenderer.java?rev=938717&view=auto
==============================================================================
--- myfaces/tomahawk/trunk/core20/src/main/java/org/apache/myfaces/custom/tree/renderkit/html/HtmlTreeImageCommandLinkRenderer.java (added)
+++ myfaces/tomahawk/trunk/core20/src/main/java/org/apache/myfaces/custom/tree/renderkit/html/HtmlTreeImageCommandLinkRenderer.java Tue Apr 27 23:07:13 2010
@@ -0,0 +1,102 @@
+/*
+ * 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.myfaces.custom.tree.renderkit.html;
+
+import java.io.IOException;
+
+import javax.faces.component.UIComponent;
+import javax.faces.context.FacesContext;
+import javax.faces.context.ResponseWriter;
+
+import org.apache.myfaces.custom.tree.HtmlTreeImageCommandLink;
+import org.apache.myfaces.custom.tree.HtmlTreeNode;
+import org.apache.myfaces.renderkit.html.jsf.ExtendedHtmlLinkRenderer;
+import org.apache.myfaces.renderkit.html.util.DummyFormUtils;
+import org.apache.myfaces.shared_tomahawk.renderkit.html.HTML;
+import org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlRendererUtils;
+
+
+/**
+ * @JSFRenderer
+ *   renderKitId = "HTML_BASIC" 
+ *   family = "org.apache.myfaces.HtmlTree"
+ *   type = "org.apache.myfaces.HtmlTreeImageCommandLink"
+ * 
+ * @author <a href="mailto:oliver@rossmueller.com">Oliver Rossmueller</a>
+ * @version $Revision: 659874 $ $Date: 2008-05-24 15:59:15 -0500 (sáb, 24 may 2008) $
+ */
+public class HtmlTreeImageCommandLinkRenderer
+    extends ExtendedHtmlLinkRenderer {
+
+    private static final Integer ZERO = new Integer(0);
+
+
+    public void decode(FacesContext facesContext, UIComponent component) {
+        super.decode(facesContext, component);
+        String clientId = component.getClientId(facesContext);
+        String reqValue = (String) facesContext
+            .getExternalContext()
+            .getRequestParameterMap().get(HtmlRendererUtils
+            .getHiddenCommandLinkFieldName(DummyFormUtils.findNestingForm(component, facesContext)));
+        if (reqValue != null && reqValue.equals(clientId)) {
+            HtmlTreeNode node = (HtmlTreeNode) component.getParent();
+
+            node.toggleExpanded();
+        }
+    }
+
+
+    protected void renderCommandLinkStart(FacesContext facesContext,
+                                          UIComponent component,
+                                          String clientId,
+                                          Object value,
+                                          String style,
+                                          String styleClass) throws IOException {
+
+        super.renderCommandLinkStart(facesContext, component, clientId, value, style, styleClass);
+
+        String url = ((HtmlTreeImageCommandLink) component).getImage();
+
+        if ((url != null) && (url.length() > 0)) {
+            ResponseWriter writer = facesContext.getResponseWriter();
+            writer.startElement(HTML.IMG_ELEM, component);
+            String src = facesContext.getApplication().getViewHandler().getResourceURL(facesContext, url);
+            //String src;
+            //if (url.startsWith(HTML.HREF_PATH_SEPARATOR))
+            //{
+            //    String path = facesContext.getExternalContext().getRequestContextPath();
+            //    src = path + url;
+            //}
+            //else
+            //{
+            //    src = url;
+            //}
+            //Encode URL
+            //Although this is an url url, encodeURL is no nonsense, because the
+            //actual url url could also be a dynamic servlet request:
+            //src = facesContext.getExternalContext().encodeResourceURL(src);
+            writer.writeAttribute(HTML.SRC_ATTR, src, null);
+            writer.writeAttribute(HTML.BORDER_ATTR, ZERO, null);
+
+            HtmlRendererUtils.renderHTMLAttributes(writer, component, HTML.IMG_PASSTHROUGH_ATTRIBUTES);
+
+            writer.endElement(HTML.IMG_ELEM);
+        }
+    }
+}