altosui/altoslib/altosuilib: Switch altosui to shared graph code

[fw/altos] / altosui / AltosGraphDataSet.java

diff --git a/altosui/AltosGraphDataSet.java b/altosui/AltosGraphDataSet.java
new file mode 100644 (file)
index 0000000..092b7c7
--- /dev/null
+++ b/altosui/AltosGraphDataSet.java
@@ -0,0 +1,96 @@
+/*
+ * 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 altosui;
+
+import java.lang.*;
+import java.io.*;
+import java.util.*;
+import org.altusmetrum.altoslib_1.*;
+import org.altusmetrum.altosuilib_1.*;
+
+class AltosGraphIterator implements Iterator<AltosUIDataPoint> {
+       AltosGraphDataSet       dataSet;
+       Iterator<AltosRecord>   iterator;
+
+       AltosState      state;
+
+       public boolean hasNext() {
+               return iterator.hasNext();
+       }
+
+       public AltosUIDataPoint next() {
+               state = new AltosState(iterator.next(), state);
+
+               if (dataSet.callsign == null && state.data.callsign != null)
+                       dataSet.callsign = state.data.callsign;
+
+               if (dataSet.serial == 0 && state.data.serial != 0)
+                       dataSet.serial = state.data.serial;
+
+               if (dataSet.flight == 0 && state.data.flight != 0)
+                       dataSet.flight = state.data.flight;
+
+               return new AltosGraphDataPoint(state);
+       }
+
+       public AltosGraphIterator (Iterator<AltosRecord> iterator, AltosGraphDataSet dataSet) {
+               this.iterator = iterator;
+               this.state = null;
+               this.dataSet = dataSet;
+       }
+
+       public void remove() {
+       }
+}
+
+class AltosGraphIterable implements Iterable<AltosUIDataPoint> {
+       AltosGraphDataSet       dataSet;
+
+       public Iterator<AltosUIDataPoint> iterator() {
+               return new AltosGraphIterator(dataSet.records.iterator(), dataSet);
+       }
+
+       public AltosGraphIterable(AltosGraphDataSet dataSet) {
+               this.dataSet = dataSet;
+       }
+}
+
+public class AltosGraphDataSet implements AltosUIDataSet {
+       String                  callsign;
+       int                     serial;
+       int                     flight;
+       AltosRecordIterable     records;
+
+       public String name() {
+               if (callsign != null)
+                       return String.format("%s - %d/%d", callsign, serial, flight);
+               else
+                       return String.format("%d/%d", serial, flight);
+       }
+
+       public Iterable<AltosUIDataPoint> dataPoints() {
+               return new AltosGraphIterable(this);
+       }
+
+       public AltosGraphDataSet (AltosRecordIterable records) {
+               this.records = records;
+               this.callsign = null;
+               this.serial = 0;
+               this.flight = 0;
+       }
+}