- More AJAX support (couple of bug fixes, added timing for AJAX calls, added support for adding AJAX scripts to a page once and once only)

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@3352 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
2025-08-07 17:49:17 +00:00 · 2006-07-19 11:50:32 +00:00
parent 43746353a4
commit a1200deadb
17 changed files with 558 additions and 55 deletions
--- a/source/java/org/alfresco/web/ui/repo/component/UINodeInfo.java
+++ b/source/java/org/alfresco/web/ui/repo/component/UINodeInfo.java
@@ -0,0 +1,137 @@
+package org.alfresco.web.ui.repo.component;
+
+import java.io.IOException;
+
+import javax.faces.context.FacesContext;
+import javax.faces.context.ResponseWriter;
+import javax.faces.el.ValueBinding;
+
+import org.alfresco.web.app.Application;
+import org.alfresco.web.bean.repository.Repository;
+import org.alfresco.web.ui.common.Utils;
+import org.alfresco.web.ui.common.component.SelfRenderingComponent;
+
+/**
+ * JSF component that displays information about a node.
+ * <p>
+ * The node to show information on 
+ * 
+ * @author gavinc
+ */
+public class UINodeInfo extends SelfRenderingComponent
+{
+   protected final static String NODE_INFO_SCRIPTS_WRITTEN = "_alfNodeInfoScripts";
+   
+   protected Object value = null;
+   
+   // ------------------------------------------------------------------------------
+   // Component Impl 
+
+   @Override
+   public String getFamily()
+   {
+      return "org.alfresco.faces.NodeInfo";
+   }
+   
+   @Override
+   public void restoreState(FacesContext context, Object state)
+   {
+      Object values[] = (Object[])state;
+      // standard component attributes are restored by the super class
+      super.restoreState(context, values[0]);
+      this.value = values[1];
+   }
+   
+   @Override
+   public Object saveState(FacesContext context)
+   {
+      Object values[] = new Object[8];
+      // standard component attributes are saved by the super class
+      values[0] = super.saveState(context);
+      values[1] = this.value;
+      return values;
+   }
+   
+   @Override
+   @SuppressWarnings("unchecked")
+   public void encodeBegin(FacesContext context) throws IOException
+   {
+      if (!isRendered()) return;
+      
+      // if AJAX is disabled don't render anything
+      if (Application.getClientConfig(context).isAjaxEnabled())
+      {
+         ResponseWriter out = context.getResponseWriter();
+         
+         // output the scripts required by the component (checks are 
+         // made to make sure the scripts are only written once)
+         Utils.writeAjaxScripts(context, out);
+         
+         // write out the JavaScript specific to the NodeInfo component,
+         // again, make sure it's only done once
+         Object present = context.getExternalContext().getRequestMap().
+            get(NODE_INFO_SCRIPTS_WRITTEN);
+         if (present == null)
+         {
+            out.write("<script type=\"text/javascript\" src=\"");
+            out.write(context.getExternalContext().getRequestContextPath());
+            out.write("/scripts/ajax/node-info.js\"> </script>\n");
+            
+            context.getExternalContext().getRequestMap().put(
+                  NODE_INFO_SCRIPTS_WRITTEN, Boolean.TRUE);
+         }
+         
+         // wrap the child components in a <span> that has the onmouseover
+         // event which kicks off the request for node information
+         String id = (String)this.getValue();
+         out.write("<span onmouseover=\"showNodeInfo('");
+         out.write(Repository.getStoreRef().toString());
+         out.write("/");
+         out.write(id);
+         out.write("', this)\" onmouseout=\"hideNodeInfo()\">");
+      }
+   }
+
+   @Override
+   public void encodeEnd(FacesContext context) throws IOException
+   {
+      if (!isRendered()) return;
+      
+      // if AJAX is disabled don't render anything
+      if (Application.getClientConfig(context).isAjaxEnabled())
+      {
+         context.getResponseWriter().write("</span>");
+      }
+   }
+   
+   // ------------------------------------------------------------------------------
+   // Strongly typed component property accessors
+
+   /**
+    * Get the value - the value is used in a equals() match against the current value in the
+    * parent ModeList component to set the selected item.
+    *
+    * @return the value
+    */
+   public Object getValue()
+   {
+      ValueBinding vb = getValueBinding("value");
+      if (vb != null)
+      {
+         this.value = vb.getValue(getFacesContext());
+      }
+      
+      return this.value;
+   }
+
+   /**
+    * Set the value - the value is used in a equals() match against the current value in the
+    * parent ModeList component to set the selected item.
+    *
+    * @param value     the value
+    */
+   public void setValue(Object value)
+   {
+      this.value = value;
+   }
+}