Changeset 36 for bbtracker/trunk/src/org/bbtracker/mobile/Preferences.java

Timestamp:

07/28/07 19:48:14 (5 years ago)

Author:

saua

Message:

• refactor calculating the displayable strings into its own (abstract) class UnitConverter?
• add calculating the size of the scale bar there as well
• move existing code to MetricUnitConverter? and refactor it quite a bit (lots of code that would be identifcal in ImperialUnitConverter? was moved out)
• implement ImperialUnitConverter?
• make StatusTile? and TrackTile? use those converters
• add setting to Preferences
• add GUI for setting to OptionsForm?

This should fix Issue #13

File:

• bbtracker/trunk/src/org/bbtracker/mobile/Preferences.java (modified) (7 diffs)

bbtracker/trunk/src/org/bbtracker/mobile/Preferences.java

@@ -13 +13 @@
 import javax.microedition.rms.RecordStoreNotFoundException;
 
+import org.bbtracker.ImperialUnitConverter;
+import org.bbtracker.MetricUnitConverter;
+import org.bbtracker.UnitConverter;
+
 public class Preferences {
         private static final String RECORD_STORE_NAME = "Preferences";
@@ -24 +28 @@
         public static String[] START_ACTIONS = new String[] { "Do nothing", "Initialize GPS", "Start new track" };
 
+        public static final int EXPORT_KML = 0;
+
+        public static final int EXPORT_GPx = 1;
+
         public static String[] EXPORT_FORMATS = new String[] { "KML (Google Earth)", "GPX" };
+
+        public static final int UNITS_METRIC = 0;
+
+        public static final int UNITS_IMPERIAL = 1;
+
+        public static String[] UNITS = new String[] { "Metric (km/h, km, m)", "Imperial (mph, miles, feet)" };
 
         private static Preferences instance;
@@ -50 +64 @@
         private int exportFormats = 0x03; // export format 0 and 1 are set
 
+        private int units = UNITS_METRIC;
+
         private String exportDirectory;
+
+        private UnitConverter unitConverter;
 
         private Preferences() {
@@ -69 +87 @@
         public void setStartAction(final int startAction) {
                 this.startAction = startAction;
+        }
+
+        public String getExportDirectory() {
+                return exportDirectory;
+        }
+
+        public void setExportDirectory(final String exportDirectory) {
+                this.exportDirectory = exportDirectory;
+        }
+
+        public void setExportFormat(final int index, final boolean value) {
+                if (index >= EXPORT_FORMATS.length || index < 0) {
+                        throw new IllegalArgumentException();
+                }
+                if (value) {
+                        exportFormats |= 1 << index;
+                } else {
+                        exportFormats &= ~(1 << index);
+                }
+        }
+
+        public boolean getExportFormat(final int index) {
+                return (exportFormats & (1 << index)) != 0;
+        }
+
+        public int getUnits() {
+                return units;
+        }
+
+        public void setUnits(final int units) {
+                if (units != UNITS_METRIC && units != UNITS_IMPERIAL) {
+                        throw new IllegalArgumentException();
+                }
+                this.units = units;
+                unitConverter = null;
+        }
+
+        public UnitConverter getUnitsConverter() {
+                if (unitConverter == null) {
+                        switch (units) {
+                        case UNITS_METRIC:
+                                unitConverter = new MetricUnitConverter();
+                                break;
+                        case UNITS_IMPERIAL:
+                                unitConverter = new ImperialUnitConverter();
+                                break;
+                        default:
+                                throw new IllegalStateException();
+                        }
+                }
+                return unitConverter;
         }
 
@@ -103 +172 @@
                         }
                         exportFormats = in.readInt();
+                        units = in.readInt();
 
                         in.close();
@@ -140 +210 @@
                         }
                         out.writeInt(exportFormats);
+                        out.writeInt(units);
 
                         out.close();
@@ -168 +239 @@
                 }
         }
-
-        public String getExportDirectory() {
-                return exportDirectory;
-        }
-
-        public void setExportDirectory(final String exportDirectory) {
-                this.exportDirectory = exportDirectory;
-        }
-
-        public void setExportFormat(final int index, final boolean value) {
-                if (index >= EXPORT_FORMATS.length || index < 0) {
-                        throw new IllegalArgumentException();
-                }
-                if (value) {
-                        exportFormats |= 1 << index;
-                } else {
-                        exportFormats &= ~(1 << index);
-                }
-        }
-
-        public boolean getExportFormat(final int index) {
-                return (exportFormats & (1 << index)) != 0;
-        }
 }