Implementation of file handlers for both RCP & RAP

[lgpl/argeo-commons.git] / eclipse / runtime / org.argeo.eclipse.ui.rap / src / main / java / org / argeo / eclipse / ui / specific / ImportFileSystemWizardPage.java

diff --git a/eclipse/runtime/org.argeo.eclipse.ui.rap/src/main/java/org/argeo/eclipse/ui/specific/ImportFileSystemWizardPage.java b/eclipse/runtime/org.argeo.eclipse.ui.rap/src/main/java/org/argeo/eclipse/ui/specific/ImportFileSystemWizardPage.java
new file mode 100644 (file)
index 0000000..829ceda
--- /dev/null
+++ b/eclipse/runtime/org.argeo.eclipse.ui.rap/src/main/java/org/argeo/eclipse/ui/specific/ImportFileSystemWizardPage.java
@@ -0,0 +1,106 @@
+package org.argeo.eclipse.ui.specific;
+
+import java.io.InputStream;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.argeo.ArgeoException;
+import org.eclipse.jface.dialogs.MessageDialog;
+import org.eclipse.jface.wizard.WizardPage;
+import org.eclipse.rwt.widgets.Upload;
+import org.eclipse.rwt.widgets.UploadAdapter;
+import org.eclipse.rwt.widgets.UploadEvent;
+import org.eclipse.rwt.widgets.UploadItem;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Label;
+
+public class ImportFileSystemWizardPage extends WizardPage {
+       private Log log = LogFactory.getLog(ImportFileSystemWizardPage.class);
+
+       private Upload uploadFile;
+
+       public ImportFileSystemWizardPage() {
+               super("Import from file system");
+               setDescription("Import files from the local file system into the JCR repository");
+       }
+
+       public void createControl(Composite parent) {
+
+               Composite composite = new Composite(parent, SWT.NONE);
+               composite.setLayout(new GridLayout(2, false));
+               composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
+
+               new Label(composite, SWT.NONE).setText("Pick up a file");
+
+               uploadFile = new Upload(composite, SWT.BORDER);
+               uploadFile.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
+               uploadFile.setBrowseButtonText("Open...");
+               uploadFile.addUploadListener(new UploadManager(uploadFile));
+
+               setControl(composite);
+       }
+
+       public String getObjectPath() {
+               // NOTE Returns the full file name of the last uploaded file including
+               // the file path as selected by the user on his local machine.
+               // The full path including the directory and file drive are only
+               // returned, if the browser supports reading this properties. In Firefox
+               // 3, only the filename is returned.
+               return uploadFile.getPath();
+       }
+
+       public String getObjectName() {
+               return uploadFile.getUploadItem().getFileName();
+       }
+
+       public String getObjectType() {
+               return "nt:file";
+       }
+
+       public void performFinish() {
+               boolean success = uploadFile.performUpload();
+               if (!success)
+                       throw new ArgeoException("Cannot upload file named "
+                                       + uploadFile.getPath());
+       }
+
+       protected void handleUploadFinished(final Upload upload) {
+               if (log.isTraceEnabled()) {
+                       UploadItem uploadItem = upload.getUploadItem();
+                       log.trace("filename     : " + uploadItem.getFileName());
+                       log.trace("content-type : " + uploadItem.getContentType());
+               }
+       }
+
+       public InputStream getFileInputStream() {
+               return uploadFile.getUploadItem().getFileInputStream();
+       }
+
+       private class UploadManager extends UploadAdapter {
+               private Upload upload;
+
+               public UploadManager(Upload upload) {
+                       super();
+                       this.upload = upload;
+               }
+
+               public void uploadFinished(UploadEvent uploadEvent) {
+                       handleUploadFinished(upload);
+               }
+
+               public void uploadInProgress(UploadEvent uploadEvent) {
+               }
+
+               public void uploadException(UploadEvent uploadEvent) {
+                       Exception exc = uploadEvent.getUploadException();
+                       if (exc != null) {
+                               MessageDialog.openError(Display.getCurrent().getActiveShell(),
+                                               "Error", exc.getMessage());
+                       }
+               }
+       }
+}