svn commit: r372942 - /myfaces/tomahawk/trunk/sandbox/core/src/main/java/org/apache/myfaces/custom/dojo/DojoUtils.java

[we...@apache.org]

Author: werpu
Date: Fri Jan 27 10:41:04 2006
New Revision: 372942

URL: http://svn.apache.org/viewcvs?rev=372942&view=rev
Log:
added a utils class for easier handling of the dojo mechanisms

Added:
    myfaces/tomahawk/trunk/sandbox/core/src/main/java/org/apache/myfaces/custom/dojo/DojoUtils.java   (with props)

Added: myfaces/tomahawk/trunk/sandbox/core/src/main/java/org/apache/myfaces/custom/dojo/DojoUtils.java
URL: http://svn.apache.org/viewcvs/myfaces/tomahawk/trunk/sandbox/core/src/main/java/org/apache/myfaces/custom/dojo/DojoUtils.java?rev=372942&view=auto
==============================================================================
--- myfaces/tomahawk/trunk/sandbox/core/src/main/java/org/apache/myfaces/custom/dojo/DojoUtils.java (added)
+++ myfaces/tomahawk/trunk/sandbox/core/src/main/java/org/apache/myfaces/custom/dojo/DojoUtils.java Fri Jan 27 10:41:04 2006
@@ -0,0 +1,96 @@
+/**
+ * Copyright 2004 The Apache Software Foundation.
+ *
+ * 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 org.apache.myfaces.custom.dojo;
+
+import java.io.IOException;
+
+import javax.faces.component.UIComponent;
+import javax.faces.context.FacesContext;
+import javax.faces.context.ResponseWriter;
+
+import org.apache.myfaces.renderkit.html.HTML;
+import org.apache.myfaces.renderkit.html.util.AddResource;
+
+/**
+ * Utils class for the dojo infrastructure
+ * to ease the component building mechanisms
+ * 
+ * @author Werner Punz (latest modification by $Author$)
+ * @version $Revision$ $Date$
+ */
+public class DojoUtils
+{
+    
+    private static final String DOJO_FILE_UNCOMPRESSED = "/dojo.js.uncompressed.js";
+    //TODO chew this through the flag code
+    private static final String DOJO_FILE              = "/dojo.js";
+
+    /**
+     * dojo utils flag which can be altered for various states of the dojo lib
+     */
+    //TODO make em actually usable, they are currently only debugging flags
+    public static final boolean DOJO_COMPRESSED        = false;
+    public static final boolean DOJO_DEBUG             = false;
+
+    /**
+     * Write a dojo require include 
+     * 
+     * @param writer        the response write
+     * @param component     the component
+     * @param dojoPackage   the dojo package string (wildcards allowed
+     * @throws IOException  in case of an io error
+     */
+    public static final void require(ResponseWriter writer, UIComponent component, String dojoPackage)
+            throws IOException
+    {
+        writer.startElement(HTML.SCRIPT_ELEM, component);
+        writer.writeAttribute(HTML.SCRIPT_TYPE_ATTR, HTML.SCRIPT_TYPE_TEXT_JAVASCRIPT, null);
+        StringBuffer buf = new StringBuffer(40);
+
+        buf.append("dojo.require(\"");
+        buf.append(dojoPackage);
+        buf.append(");");
+        writer.write(buf.toString());
+
+        writer.endElement(HTML.SCRIPT_ELEM);
+    }
+
+    /**
+     * handles the central include of the dojo
+     * core, subsequent packages can be loaded 
+     * via require if needed
+     * 
+     * @param context
+     * @param javascriptLocation
+     */
+    public static final void addMainInclude(FacesContext context, String javascriptLocation)
+    {
+        AddResource addResource = AddResource.getInstance(context);
+
+        if (javascriptLocation != null)
+        {
+            addResource.addJavaScriptAtPosition(context, AddResource.HEADER_BEGIN, javascriptLocation
+                    + DOJO_FILE_UNCOMPRESSED);
+        }
+        else
+        {
+            addResource.addJavaScriptAtPosition(context, AddResource.HEADER_BEGIN, DojoResourceLoader.class,
+                    DOJO_FILE_UNCOMPRESSED);
+        }
+    }
+
+}

Propchange: myfaces/tomahawk/trunk/sandbox/core/src/main/java/org/apache/myfaces/custom/dojo/DojoUtils.java
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