- Update File action implemented for sandox Modified Files list and website browse screens

- Cycle of actions required for upload/edit/update is complete

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/BRANCHES/WCM-DEV2/root@3962 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

config/alfresco/messages/webclient.properties

@@ -846,6 +846,7 @@ create_web_content_desc=This wizard helps you to create a new content item for a
 create_folder=Create Folder
 create_avm_folder_info=Create a new folder in the website.
 add_avm_content_dialog_desc=This dialog helps you to add content to a folder.
+update_avm_file_desc=Update a file in the website with content from your computer.
 
 # New User Wizard messages
 new_user_title=New User Wizard

config/alfresco/web-client-config-wcm-actions.xml

@@ -83,11 +83,23 @@
             <action-listener>#{AddAvmContentDialog.start}</action-listener>
          </action>
          
+         <!-- Update document -->
+         <action id="update_file">
+            <label-id>update</label-id>
+            <image>/images/icons/update.gif</image>
+            <action-listener>#{AVMBrowseBean.setupContentAction}</action-listener>
+            <action>dialog:updateAvmFile</action>
+            <params>
+               <param name="id">#{actionContext.path}</param>
+            </params>
+         </action>
          
-         <!-- Actions for a document in the AVM Browse screen -->
+         
+         <!-- Actions for a file in the AVM Browse screen -->
          <action-group id="avm_file_browse">
             <show-link>false</show-link>
             <action idref="edit_file" />
+            <action idref="update_file" />
             <action idref="preview_file" />
             <action idref="delete_file" />
          </action-group>
@@ -99,10 +111,11 @@
             <action idref="delete_folder" />
          </action-group>
          
-         <!-- Actions for a document in Modified Files list -->
+         <!-- Actions for a file in Modified Files list -->
          <action-group id="avm_file_modified">
             <show-link>false</show-link>
             <action idref="edit_file" />
+            <action idref="update_file" />
             <action idref="submit" />
             <action idref="preview_file" />
             <action idref="delete_file" />

source/java/org/alfresco/web/bean/wcm/AVMEditBean.java

@@ -16,6 +16,9 @@
  */
 package org.alfresco.web.bean.wcm;
 
+import java.io.File;
+import java.text.MessageFormat;
+
 import javax.faces.context.FacesContext;
 import javax.faces.event.ActionEvent;
 import javax.transaction.UserTransaction;
@@ -33,6 +36,8 @@ import org.alfresco.web.app.AlfrescoNavigationHandler;
 import org.alfresco.web.app.Application;
 import org.alfresco.web.app.servlet.DownloadContentServlet;
 import org.alfresco.web.bean.CheckinCheckoutBean;
+import org.alfresco.web.bean.FileUploadBean;
+import org.alfresco.web.bean.repository.Node;
 import org.alfresco.web.bean.repository.Repository;
 import org.alfresco.web.templating.OutputUtil;
 import org.alfresco.web.templating.TemplatingService;
@@ -45,10 +50,15 @@ import org.alfresco.web.ui.common.Utils;
  */
 public class AVMEditBean
 {
-   private String documentContent = null;
+   private static final String MSG_ERROR_UPDATE = "error_update";
+   private static final String MSG_UPLOAD_SUCCESS = "file_upload_success";
    
+   private String documentContent = null;
    private String editorOutput = null;
    
+   private File file;
+   private String fileName;
+   
    /** AVM service bean reference */
    protected AVMService avmService;
    
@@ -161,6 +171,34 @@ public class AVMEditBean
       this.editorOutput = editorOutput;
    }
    
+   /**
+    * @return Returns the name of the file
+    */
+   public String getFileName()
+   {
+      // try and retrieve the file and filename from the file upload bean
+      // representing the file we previously uploaded.
+      FacesContext ctx = FacesContext.getCurrentInstance();
+      FileUploadBean fileBean = (FileUploadBean)ctx.getExternalContext().getSessionMap().
+         get(FileUploadBean.FILE_UPLOAD_BEAN_NAME);
+      if (fileBean != null)
+      {
+         this.file = fileBean.getFile();
+         this.fileName = fileBean.getFileName();
+      }
+      
+      return this.fileName;
+   }
+   
+   /**
+    * @return Returns the message to display when a file has been uploaded
+    */
+   public String getFileUploadSuccessMsg()
+   {
+      String msg = Application.getMessage(FacesContext.getCurrentInstance(), MSG_UPLOAD_SUCCESS);
+      return MessageFormat.format(msg, new Object[] {getFileName()});
+   }
+   
    
    // ------------------------------------------------------------------------------
    // Action event handlers
@@ -288,12 +326,89 @@ public class AVMEditBean
       return outcome;
    }
    
+   /**
+    * Action called upon completion of the Update File page
+    */
+   public String updateFileOK()
+   {
+      String outcome = null;
+      
+      UserTransaction tx = null;
+      
+      AVMNode node = getAvmNode();
+      if (node != null && this.getFileName() != null)
+      {
+         try
+         {
+            FacesContext context = FacesContext.getCurrentInstance();
+            tx = Repository.getUserTransaction(context);
+            tx.begin();
+            
+            // get an updating writer that we can use to modify the content on the current node
+            ContentWriter writer = this.contentService.getWriter(node.getNodeRef(), ContentModel.PROP_CONTENT, true);
+            
+            // also update the mime type in case a different type of file is uploaded
+            String mimeType = Repository.getMimeTypeForFileName(context, this.fileName);
+            writer.setMimetype(mimeType);
+            
+            writer.putContent(this.file);            
+            
+            // commit the transaction
+            tx.commit();
+            
+            // clear action context
+            resetState();
+            
+            outcome = AlfrescoNavigationHandler.CLOSE_DIALOG_OUTCOME;
+         }
+         catch (Throwable err)
+         {
+            // rollback the transaction
+            try { if (tx != null) {tx.rollback();} } catch (Exception tex) {}
+            Utils.addErrorMessage(Application.getMessage(
+                  FacesContext.getCurrentInstance(), MSG_ERROR_UPDATE) + err.getMessage(), err);
+         }
+      }
+      
+      return outcome;
+   }
+   
+   /**
+    * Deals with the cancel button being pressed on the upload file page
+    */
+   public String cancel()
+   {
+      // reset the state
+      resetState();
+      
+      return AlfrescoNavigationHandler.CLOSE_DIALOG_OUTCOME;
+   }
+   
    private void resetState()
    {
       // clean up and clear action context
-      //clearUpload();
+      clearUpload();
       this.avmBrowseBean.setAvmNode(null);
       setDocumentContent(null);
       setEditorOutput(null);
    }
+   
+   /**
+    * Clear form state and upload file bean
+    */
+   private void clearUpload()
+   {
+      // delete the temporary file we uploaded earlier
+      if (this.file != null)
+      {
+         this.file.delete();
+      }
+      
+      this.file = null;
+      this.fileName = null;
+      
+      // remove the file upload bean from the session
+      FacesContext ctx = FacesContext.getCurrentInstance();
+      ctx.getExternalContext().getSessionMap().remove(FileUploadBean.FILE_UPLOAD_BEAN_NAME);
+   }
 }

source/web/WEB-INF/faces-config-navigation.xml

@@ -900,6 +900,10 @@
          <from-outcome>editAvmXmlInline</from-outcome>
          <to-view-id>/jsp/wcm/edit-xml-inline.jsp</to-view-id>
       </navigation-case>
+      <navigation-case>
+         <from-outcome>updateAvmFile</from-outcome>
+         <to-view-id>/jsp/wcm/update-file.jsp</to-view-id>
+      </navigation-case>
       <navigation-case>
          <from-outcome>cancel</from-outcome>
          <to-view-id>/jsp/wcm/browse-sandbox.jsp</to-view-id>