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package cgeo.geocaching.export;
import cgeo.geocaching.Geocache;
import cgeo.geocaching.R;
import cgeo.geocaching.utils.Log;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.widget.ArrayAdapter;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
/**
* Factory to create a dialog with all available exporters.
*/
public abstract class ExportFactory {
/**
* Contains instances of all available exporter classes.
*/
private static final List<Class<? extends Export>> exporterClasses;
static {
final ArrayList<Class<? extends Export>> temp = new ArrayList<Class<? extends Export>>();
temp.add(FieldnoteExport.class);
temp.add(GpxExport.class);
exporterClasses = Collections.unmodifiableList(temp);
}
/**
* Creates a dialog so that the user can select an exporter.
*
* @param caches
* The {@link List} of {@link cgeo.geocaching.Geocache} to be exported
* @param activity
* The {@link Activity} in whose context the dialog should be shown
*/
public static void showExportMenu(final List<Geocache> caches, final Activity activity) {
final AlertDialog.Builder builder = new AlertDialog.Builder(activity);
builder.setTitle(R.string.export).setIcon(R.drawable.ic_menu_share);
final ArrayList<Export> export = new ArrayList<Export>();
for (Class<? extends Export> exporterClass : exporterClasses) {
try {
export.add(exporterClass.newInstance());
} catch (Exception ex) {
Log.e("showExportMenu", ex);
}
}
final ArrayAdapter<Export> adapter = new ArrayAdapter<Export>(activity, android.R.layout.select_dialog_item, export);
builder.setAdapter(adapter, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int item) {
dialog.dismiss();
final Export selectedExport = adapter.getItem(item);
selectedExport.export(caches, activity);
}
});
builder.create().show();
}
}
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