. Checkpoint of WCM UI

- More implementation of the User sandboxes UI
   - added actions placeholders for Preview, Create and Browse for sandbox
   - Modified files list component framework and placeholder
 - Import Website Content dialog component framework pieces

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/BRANCHES/WCM-DEV2/root@3791 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

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

@@ -0,0 +1,188 @@
+/*
+ * Copyright (C) 2005 Alfresco, Inc.
+ *
+ * Licensed under the Mozilla Public License version 1.1 
+ * with a permitted attribution clause. You may obtain a
+ * copy of the License at
+ *
+ *   http://www.alfresco.org/legal/license.txt
+ *
+ * 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.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;
+
+import org.alfresco.web.app.AlfrescoNavigationHandler;
+import org.alfresco.web.app.Application;
+import org.alfresco.web.bean.FileUploadBean;
+import org.alfresco.web.bean.repository.Repository;
+import org.alfresco.web.ui.common.Utils;
+
+/**
+ * @author Kevin Roast
+ */
+public class ImportWebsiteDialog
+{
+   protected File file;
+   protected String fileName;
+   private boolean isFinished = false;
+   
+   
+   /**
+    * @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;
+   }
+
+   /**
+    * @param fileName The name of the file
+    */
+   public void setFileName(String fileName)
+   {
+      this.fileName = fileName;
+      
+      // we also need to keep the file upload bean in sync
+      FacesContext ctx = FacesContext.getCurrentInstance();
+      FileUploadBean fileBean = (FileUploadBean)ctx.getExternalContext().getSessionMap().
+         get(FileUploadBean.FILE_UPLOAD_BEAN_NAME);
+      if (fileBean != null)
+      {
+         fileBean.setFileName(this.fileName);
+      }
+   }
+   
+   public boolean getFinishButtonDisabled()
+   {
+      return (this.fileName == null || this.fileName.length() == 0);
+   }
+   
+   
+   // ------------------------------------------------------------------------------
+   // Action event handlers
+   
+   /**
+    * Action listener called when the add content dialog is called
+    */
+   public void start(ActionEvent event)
+   {
+      clearUpload();
+      this.fileName = null;
+   }
+   
+   /**
+    * Action handler called when the Finish button is pressed
+    */
+   public String finish()
+   {
+      String outcome = null;
+      
+      // check the isFinished flag to stop the finish button
+      // being pressed multiple times
+      if (this.isFinished == false)
+      {
+         this.isFinished = true;
+         
+         UserTransaction tx = null;
+         
+         try
+         {
+            FacesContext context = FacesContext.getCurrentInstance();
+            tx = Repository.getUserTransaction(context);
+            tx.begin();
+            
+            //
+            // TODO: import the content
+            //
+            
+            tx.commit();
+            
+            outcome = AlfrescoNavigationHandler.CLOSE_DIALOG_OUTCOME;
+         }
+         catch (Throwable e)
+         {
+            // rollback the transaction
+            try { if (tx != null) {tx.rollback();} } catch (Exception ex) {}
+            Utils.addErrorMessage(MessageFormat.format(
+                  Application.getMessage(FacesContext.getCurrentInstance(), Repository.ERROR_GENERIC), 
+                  e.getMessage(), e));
+         }
+         finally
+         {
+            // reset the flag so we can re-attempt the operation
+            this.isFinished = false;
+         }
+      }
+      
+      return outcome;
+   }
+   
+   /**
+    * Action handler called when the user wishes to remove an uploaded file
+    */
+   public String removeUploadedFile()
+   {
+      clearUpload();
+      
+      // also clear the file name
+      this.fileName = null;
+      
+      // refresh the current page
+      return null;
+   }
+   
+   /**
+    * Action handler called when the dialog is cancelled
+    */
+   public String cancel()
+   {
+      clearUpload();
+      
+      return AlfrescoNavigationHandler.CLOSE_DIALOG_OUTCOME;
+   }
+   
+   
+   // ------------------------------------------------------------------------------
+   // Helper Methods
+   
+   /**
+    * Deletes the uploaded file and removes the FileUploadBean from the session
+    */
+   protected void clearUpload()
+   {
+      // delete the temporary file we uploaded earlier
+      if (this.file != null)
+      {
+         this.file.delete();
+      }
+      
+      this.file = null;
+      
+      // remove the file upload bean from the session
+      FacesContext ctx = FacesContext.getCurrentInstance();
+      ctx.getExternalContext().getSessionMap().remove(FileUploadBean.FILE_UPLOAD_BEAN_NAME);
+   }
+}