base/runtime/org.argeo.eclipse.ui.rap/src/main/java/org/argeo/eclipse/ui/specific/GenericUploadControl.java

   1 /*
   2  * Copyright (C) 2007-2012 Argeo GmbH
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *         http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.argeo.eclipse.ui.specific;
  17
  18 import java.io.InputStream;
  19
  20 import org.apache.commons.io.IOUtils;
  21 import org.apache.commons.logging.Log;
  22 import org.apache.commons.logging.LogFactory;
  23 import org.argeo.ArgeoException;
  24 //import org.eclipse.rap.rwt.widgets.Upload;
  25 import org.eclipse.swt.SWT;
  26 import org.eclipse.swt.events.ModifyListener;
  27 import org.eclipse.swt.layout.GridData;
  28 import org.eclipse.swt.layout.GridLayout;
  29 import org.eclipse.swt.widgets.Composite;
  30
  31 public class GenericUploadControl extends Composite {
  32         private final static Log log = LogFactory
  33                         .getLog(GenericUploadControl.class);
  34
  35         //private Upload upload;
  36
  37         public GenericUploadControl(Composite parent, int style, String browseLabel) {
  38                 super(parent, style);
  39                 createControl(this, browseLabel);
  40
  41         }
  42
  43         private void createControl(Composite parent, String browseLabel) {
  44                 parent.setLayout(new GridLayout(1, false));
  45                 parent.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
  46
  47 //              upload = new Upload(parent, SWT.BORDER);
  48 //              upload.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
  49 //              upload.setBrowseButtonText(browseLabel);
  50                 // upload.addModifyListener(new UploadListener());
  51                 parent.pack();
  52         }
  53
  54         /**
  55          * Wrap upload.getLastFileUploaded(). Gets the name of the last uploaded
  56          * file. This method can be called even if the upload has not finished yet.
  57          */
  58         public String getLastFileUploadedName() {
  59                 return "";
  60         }
  61
  62         public boolean isControlEmpty() {
  63                 String path = "";
  64                 if (log.isTraceEnabled())
  65                         log.trace("UploadControl chosen path : " + path);
  66                 if (path == null || "".equals(path.trim()))
  67                         return true;
  68                 else
  69                         return false;
  70         }
  71
  72         public byte[] performUpload() {
  73 //              boolean success = upload.performUpload();
  74 //              if (success) {
  75 //                      if (upload.getUploadItem().getFileSize() == -1)
  76 //                              throw new ArgeoException("File "
  77 //                                              + upload.getUploadItem().getFileName()
  78 //                                              + " has not been uploaded, its size is -1");
  79 //
  80 //                      InputStream inStream = null;
  81 //                      byte[] fileBA = null;
  82 //                      try {
  83 //                              inStream = upload.getUploadItem().getFileInputStream();
  84 //                              fileBA = IOUtils.toByteArray(inStream);
  85 //                      } catch (Exception e) {
  86 //                              throw new ArgeoException("Cannot read uploaded data", e);
  87 //                      } finally {
  88 //                              IOUtils.closeQuietly(inStream);
  89 //                      }
  90 //                      return fileBA;
  91 //              }
  92                 return null;
  93         }
  94
  95         public void addModifyListener(ModifyListener listener) {
  96 //              upload.addModifyListener(listener);
  97         }
  98
  99         // private class UploadManager extends UploadAdapter {
 100         // private Upload upload;
 101         //
 102         // public UploadManager(Upload upload) {
 103         // super();
 104         // this.upload = upload;
 105         // }
 106         //
 107         // public void uploadFinished(UploadEvent uploadEvent) {
 108         // handleUploadFinished(upload);
 109         // }
 110         //
 111         // public void uploadInProgress(UploadEvent uploadEvent) {
 112         // }
 113         //
 114         // public void uploadException(UploadEvent uploadEvent) {
 115         // Exception exc = uploadEvent.getUploadException();
 116         // if (exc != null) {
 117         // MessageDialog.openError(Display.getCurrent().getActiveShell(),
 118         // "Error", exc.getMessage());
 119         // }
 120         // }
 121         //
 122         // }
 123         //
 124
 125 }