FIXUP: Don't show preview data sets when expert mode is not checked

This fixes #99.

This also changes the default classpath for the JRE, so that it
hopefully just works on different machines.

The minimum JOSM version is also bumped to the current stable.

Signed-off-by: Taylor Smock <tsmock@fb.com>

.classpath

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.launching.macosx.MacOSXType/AdoptOpenJDK 8">
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8">
 		<attributes>
 			<attribute name="module" value="true"/>
 		</attributes>

gradle.properties

@@ -1,9 +1,9 @@
 # The minimum JOSM version this plugin is compatible with (can be any numeric version
-plugin.main.version = 16846
+plugin.main.version = 17084
 # The JOSM version this plugin is currently compiled against
 # Please make sure this version is available at https://josm.openstreetmap.de/download
 # The special values "latest" and "tested" are also possible here, but not recommended.
-plugin.compile.version = 17023
+plugin.compile.version = 17084
 plugin.canloadatruntime = true
 plugin.author = Taylor Smock <incoming+gokaart/JOSM_MapWithAI@incoming.gitlab.com>
 plugin.class = org.openstreetmap.josm.plugins.mapwithai.MapWithAIPlugin

src/main/java/org/openstreetmap/josm/plugins/mapwithai/data/mapwithai/MapWithAILayerInfo.java

@@ -21,6 +21,7 @@ import java.util.stream.Collectors;
 
 import javax.swing.SwingUtilities;
 
+import org.openstreetmap.josm.actions.ExpertToggleAction;
 import org.openstreetmap.josm.data.StructUtils;
 import org.openstreetmap.josm.data.imagery.ImageryInfo;
 import org.openstreetmap.josm.data.preferences.BooleanProperty;
@@ -45,7 +46,7 @@ public class MapWithAILayerInfo {
     /**
      * A boolean preference used to determine if preview datasets should be shown
      */
-    private static final BooleanProperty SHOW_PREVIEW = new BooleanProperty("mapwithai.sources.preview", false);
+    public static final BooleanProperty SHOW_PREVIEW = new BooleanProperty("mapwithai.sources.preview", false);
 
     /** List of all usable layers */
     private final List<MapWithAIInfo> layers = Collections.synchronizedList(new ArrayList<>());
@@ -500,7 +501,7 @@ public class MapWithAILayerInfo {
      *         {@code true}.
      */
     private static List<MapWithAIInfo> filterPreview(List<MapWithAIInfo> layers) {
-        if (SHOW_PREVIEW.get()) {
+        if (Boolean.TRUE.equals(SHOW_PREVIEW.get()) && ExpertToggleAction.isExpert()) {
             return layers;
         }
         return layers.stream()

src/main/java/org/openstreetmap/josm/plugins/mapwithai/gui/preferences/MapWithAIPreferences.java

@@ -129,7 +129,7 @@ public class MapWithAIPreferences extends DefaultTabPreferenceSetting {
         pane.add(expertHorizontalGlue, GBC.eol().fill(GridBagConstraints.HORIZONTAL));
         final JLabel previewFeatureSets = new JLabel(tr("Show Preview DataSets"));
         final JCheckBox previewFeatureSetCheckbox = new JCheckBox();
-        BooleanProperty previewFeatureSetProperty = new BooleanProperty("mapwithai.sources.preview", false);
+        BooleanProperty previewFeatureSetProperty = MapWithAILayerInfo.SHOW_PREVIEW;
         previewFeatureSetCheckbox.setToolTipText(tr("If selected, show datasets which may have various issues"));
         previewFeatureSetCheckbox.setSelected(Boolean.TRUE.equals(previewFeatureSetProperty.get()));
         previewFeatureSetCheckbox