altosuilib/micropeak: Add state markers to micropeak graph

[fw/altos] / altosuilib / AltosUIMarker.java

diff --git a/altosuilib/AltosUIMarker.java b/altosuilib/AltosUIMarker.java
new file mode 100644 (file)
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+++ b/altosuilib/AltosUIMarker.java
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+/*
+ * 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.altosuilib_1;
+
+import java.io.*;
+import java.util.ArrayList;
+
+import java.awt.*;
+import javax.swing.*;
+import org.altusmetrum.altoslib_1.*;
+
+import org.jfree.ui.*;
+import org.jfree.chart.*;
+import org.jfree.chart.plot.*;
+import org.jfree.chart.axis.*;
+import org.jfree.chart.renderer.*;
+import org.jfree.chart.renderer.xy.*;
+import org.jfree.chart.labels.*;
+import org.jfree.data.xy.*;
+import org.jfree.data.*;
+
+public class AltosUIMarker implements AltosUIGrapher {
+       ArrayList<ValueMarker>  markers;
+       int                     last_id;
+       XYPlot                  plot;
+       boolean                 enabled;
+       int                     fetch;
+       Color                   color;
+       
+       private void remove_markers() {
+               for (ValueMarker marker : markers)
+                       plot.removeDomainMarker(marker);
+       }
+
+       private void add_markers() {
+               for (ValueMarker marker : markers)
+                       plot.addDomainMarker(marker);
+       }
+
+       public void set_units() {
+       }
+
+       public void set_enable(boolean enable) {
+               if (enabled == enable)
+                       return;
+               if (enable)
+                       add_markers();
+               else
+                       remove_markers();
+               enabled = enable;
+       }
+
+       public void clear() {
+               if (enabled)
+                       remove_markers();
+               markers = new ArrayList<ValueMarker>();
+       }
+
+       public void add(AltosUIDataPoint dataPoint) {
+               int id = dataPoint.id(fetch);
+               if (id < 0)
+                       return;
+               if (id == last_id)
+                       return;
+               ValueMarker marker = new ValueMarker(dataPoint.x());
+               marker.setLabel(dataPoint.id_name(fetch));
+               marker.setLabelAnchor(RectangleAnchor.TOP_RIGHT);
+               marker.setLabelTextAnchor(TextAnchor.TOP_LEFT);
+               marker.setPaint(color);
+               if (enabled)
+                       plot.addDomainMarker(marker);
+               markers.add(marker);
+               last_id = id;
+       }
+
+       public AltosUIMarker (int fetch, Color color, XYPlot plot, boolean enable) {
+               markers = new ArrayList<ValueMarker>();
+               last_id = -1;
+               this.fetch = fetch;
+               this.color = color;
+               this.plot = plot;
+               this.enabled = enable;
+       }
+
+       public AltosUIMarker (int fetch, Color color, XYPlot plot) {
+               this(fetch, color, plot, true);
+       }
+}
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