1 files changed, 122 insertions, 0 deletions
diff --git a/altosuilib/AltosUIUnitsIndicator.java b/altosuilib/AltosUIUnitsIndicator.java
new file mode 100644
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+++ b/altosuilib/AltosUIUnitsIndicator.java
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+/*
+ * Copyright © 2014 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_2;
+
+import java.awt.*;
+import javax.swing.*;
+import org.altusmetrum.altoslib_4.*;
+
+public abstract class AltosUIUnitsIndicator extends AltosUIIndicator {
+
+	AltosUnits	units;
+
+	abstract public double value(AltosState state, int i);
+	public double good() { return 0; }
+	public boolean good(double value) { return value != AltosLib.MISSING && value >= good(); }
+	public boolean hide(double value) { return false; }
+
+	public boolean hide(AltosState state, int i) {
+		if (state == null)
+			return hide(AltosLib.MISSING);
+		return hide(value(state, i));
+	}
+
+	public double value (AltosState state, AltosListenerState listener_state, int i) {
+		return value(state, i);
+	}
+
+	public double[] last_values;
+
+	public void show(double... v) {
+		show();
+		for (int i = 0; i < values.length; i++) {
+			if (v[i] != last_values[i]) {
+				String	value_text;
+				boolean	good = false;
+
+				if (v[i] == AltosLib.MISSING) {
+					value_text = "Missing";
+				} else {
+					value_text = units.show(8, v[i]);
+					if (i == 0)
+						good = good(v[i]);
+				}
+				last_values[i] = v[i];
+				if (i == 0 && lights != null)
+					set_lights(good);
+				values[i].setText(value_text);
+			}
+		}
+	}
+
+	public void units_changed(boolean imperial_units) {
+		show(last_values);
+	}
+
+	public void show (AltosState state, AltosListenerState listener_state) {
+		double[] v = new double[values.length];
+		boolean hide = false;
+
+		for (int i = 0; i < values.length; i++) {
+			if (state != null)
+				v[i] = value(state, listener_state, i);
+			else
+				v[i] = AltosLib.MISSING;
+			if (hide(state, i))
+				hide = true;
+		}
+
+		if (hide)
+			hide();
+		else
+			show(v);
+	}
+
+	public void reset() {
+		for (int i = 0; i < last_values.length; i++)
+			last_values[i] = AltosLib.MISSING - 1;
+	}
+
+	public AltosUIUnitsIndicator (Container container, int x, int y, int label_width, AltosUnits units, String name, int number_values, boolean has_lights, int width) {
+		super(container, x, y, label_width, name, number_values, has_lights, width);
+		this.units = units;
+		last_values = new double[values.length];
+		for (int i = 0; i < last_values.length; i++)
+			last_values[i] = AltosLib.MISSING - 1;
+	}
+
+	public AltosUIUnitsIndicator (Container container, int x, int y, AltosUnits units, String name, int number_values, boolean has_lights, int width) {
+		this(container, x, y, 1, units, name, number_values, has_lights, width);
+	}
+
+	public AltosUIUnitsIndicator (Container container, int y, AltosUnits units, String name, int number_values, boolean has_lights, int width) {
+		this(container, 0, y, units, name, number_values, has_lights, width);
+	}
+
+	public AltosUIUnitsIndicator (Container container, int y, AltosUnits units, String name, int width) {
+		this(container, 0, y, units, name, 1, false, width);
+	}
+
+	public AltosUIUnitsIndicator (Container container, int y, AltosUnits units, String name) {
+		this(container, 0, y, units, name, 1, false, 1); 
+	}
+
+	public AltosUIUnitsIndicator (Container container, int x,int y, AltosUnits units, String name) {
+		this(container, x, y, units, name, 1, false, 1); 
+	}
+}