Add file chooser for MicroPeak

[fw/altos] / micropeak / MicroFileChooser.java

diff --git a/micropeak/MicroFileChooser.java b/micropeak/MicroFileChooser.java
new file mode 100644 (file)
index 0000000..0fd63a2
--- /dev/null
+++ b/micropeak/MicroFileChooser.java
@@ -0,0 +1,65 @@
+/*
+ * Copyright © 2012 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+package org.altusmetrum.micropeak;
+
+import javax.swing.*;
+import javax.swing.filechooser.FileNameExtensionFilter;
+import java.io.*;
+import org.altusmetrum.AltosLib.*;
+
+public class MicroFileChooser extends JFileChooser {
+       JFrame  frame;
+       String  filename;
+       File    file;
+
+       public String filename() {
+               return filename;
+       }
+
+       public File file() {
+               return file;
+       }
+
+       public InputStream runDialog() {
+               int     ret;
+
+               ret = showOpenDialog(frame);
+               if (ret == APPROVE_OPTION) {
+                       file = getSelectedFile();
+                       if (file == null)
+                               return null;
+                       filename = file.getName();
+                       try {
+                               return new FileInputStream(file);
+                       } catch (FileNotFoundException fe) {
+                               JOptionPane.showMessageDialog(frame,
+                                                             fe.getMessage(),
+                                                             "Cannot open file",
+                                                             JOptionPane.ERROR_MESSAGE);
+                       }
+               }
+               return null;
+       }
+
+       public MicroFileChooser(JFrame in_frame) {
+               frame = in_frame;
+               setDialogTitle("Select MicroPeak Data File");
+               setFileFilter(new FileNameExtensionFilter("MicroPeak data file",
+                                                         "mpd"));
+       }
+}