From d663da13db60e1200535282ee1a0ea6305cad98c Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Sat, 5 Jan 2013 10:59:26 -0800
Subject: [PATCH] micropeak: Suggest filenames for saving data

Uses the format '<year>-<month>-<day>-flight-<number>.mpd'

Signed-off-by: Keith Packard <keithp@keithp.com>
---
 micropeak/Makefile.am    |  1 +
 micropeak/MicroFile.java | 45 ++++++++++++++++++++++++++++++++++++++++
 micropeak/MicroSave.java |  1 +
 3 files changed, 47 insertions(+)
 create mode 100644 micropeak/MicroFile.java

diff --git a/micropeak/Makefile.am b/micropeak/Makefile.am
index ea7385a7..19b23a0f 100644
--- a/micropeak/Makefile.am
+++ b/micropeak/Makefile.am
@@ -13,6 +13,7 @@ micropeak_JAVA= \
 	MicroDataPoint.java \
 	MicroDownload.java \
 	MicroExport.java \
+	MicroFile.java \
 	MicroFrame.java \
 	MicroGraph.java \
 	MicroRaw.java \
diff --git a/micropeak/MicroFile.java b/micropeak/MicroFile.java
new file mode 100644
index 00000000..13d48380
--- /dev/null
+++ b/micropeak/MicroFile.java
@@ -0,0 +1,45 @@
+/*
+ * Copyright © 2013 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 java.io.*;
+import java.util.*;
+import org.altusmetrum.AltosLib.*;
+import org.altusmetrum.altosuilib.*;
+
+public class MicroFile {
+
+	public static File make(File directory, int year, int month, int day) {
+		for (int sequence = 1;; sequence++) {
+			String s = String.format("%04d-%02d-%02d-flight-%03d.mpd",
+						 year, month, day, sequence);
+			File file = new File(directory, s);
+			if (!file.exists())
+				return file;
+		}
+	}
+
+	public static File make(File directory) {
+		Calendar	cal = Calendar.getInstance();
+		return make(directory, cal.get(Calendar.YEAR), cal.get(Calendar.MONTH) + 1, cal.get(Calendar.DAY_OF_MONTH));
+	}
+
+	public static File make() {
+		return make(AltosUIPreferences.logdir());
+	}
+}
\ No newline at end of file
diff --git a/micropeak/MicroSave.java b/micropeak/MicroSave.java
index 2664f170..7879ff90 100644
--- a/micropeak/MicroSave.java
+++ b/micropeak/MicroSave.java
@@ -102,5 +102,6 @@ public class MicroSave extends JFileChooser {
 		setFileFilter(new FileNameExtensionFilter("MicroPeak data file",
 							  "mpd"));
 		setCurrentDirectory(AltosUIPreferences.logdir());
+		setSelectedFile(MicroFile.make());
 	}
 }
-- 
2.30.2