New project conventions

[lgpl/argeo-commons.git] / org.argeo.eclipse.ui.rcp / src / org / argeo / eclipse / ui / specific / GenericUploadControl.java

diff --git a/org.argeo.eclipse.ui.rcp/src/org/argeo/eclipse/ui/specific/GenericUploadControl.java b/org.argeo.eclipse.ui.rcp/src/org/argeo/eclipse/ui/specific/GenericUploadControl.java
new file mode 100644 (file)
index 0000000..80e1e53
--- /dev/null
+++ b/org.argeo.eclipse.ui.rcp/src/org/argeo/eclipse/ui/specific/GenericUploadControl.java
@@ -0,0 +1,111 @@
+/*
+ * Copyright (C) 2007-2012 Argeo GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * 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.argeo.eclipse.ui.specific;
+
+import java.io.File;
+import java.io.IOException;
+
+import org.apache.commons.io.FileUtils;
+import org.argeo.ArgeoException;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.ModifyListener;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Button;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Event;
+import org.eclipse.swt.widgets.FileDialog;
+import org.eclipse.swt.widgets.Listener;
+import org.eclipse.swt.widgets.Text;
+
+/**
+ * RCP specific composite that provides a control to upload a file. WARNING: for
+ * the time being we set a GridLayout(2, false) on th eparent control.
+ */
+public class GenericUploadControl extends Composite {
+       // private final static Log log = LogFactory
+       // .getLog(GenericUploadControl.class);
+
+       private FileDialog dialog;
+       private Text filePath;
+
+       public GenericUploadControl(Composite parent, int style, String browseLabel) {
+               super(parent, style);
+               createControl(this, browseLabel);
+
+       }
+
+       private void createControl(final Composite parent, String browseLabel) {
+               parent.setLayout(new GridLayout(2, false));
+
+               filePath = new Text(parent, SWT.BORDER | SWT.SINGLE);
+               GridData gd = new GridData(GridData.GRAB_HORIZONTAL
+                               | GridData.FILL_HORIZONTAL);
+               filePath.setEditable(false);
+               filePath.setLayoutData(gd);
+
+               // Execute button
+               Button execute = new Button(parent, SWT.PUSH);
+               GridData gridData = new GridData();
+               gridData.horizontalAlignment = GridData.BEGINNING;
+               execute.setLayoutData(gridData);
+               execute.setText(browseLabel);
+
+               // Button listener
+               Listener executeListener = new Listener() {
+                       public void handleEvent(Event event) {
+                               dialog = new FileDialog(parent.getShell());
+                               filePath.setText(dialog.open());
+                       }
+               };
+               parent.layout();
+               execute.addListener(SWT.Selection, executeListener);
+       }
+
+       public boolean isControlEmpty() {
+               String path = filePath.getText();
+               if (path == null || "".equals(path.trim()))
+                       return true;
+               else
+                       return false;
+       }
+
+       public byte[] performUpload() {
+               String path = filePath.getText();
+               if (path != null) {
+                       try {
+                               File file = new File(path);
+                               byte[] fileBA = FileUtils.readFileToByteArray(file);
+                               return fileBA;
+                       } catch (IOException e) {
+                               throw new ArgeoException("Unexpected error while "
+                                               + "reading file at path " + path, e);
+                       }
+               }
+               return null;
+       }
+
+       public void addModifyListener(ModifyListener listener) {
+               filePath.addModifyListener(listener);
+       }
+
+       /**
+        * Always returns null in an RCP environment
+        */
+       public String getLastFileUploadedName() {
+               return null;
+       }
+}