/*
 * Copyright 2013 Hannes Janetzek
 * Copyright 2016-2018 devemux86
 * Copyright 2016 Andrey Novikov
 *
 * This file is part of the OpenScienceMap project (http://www.opensciencemap.org).
 *
 * This program is free software: you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later version.
 *
 * 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */
package org.oscim.android.test;

import android.os.Bundle;

import org.oscim.backend.CanvasAdapter;
import org.oscim.layers.tile.buildings.BuildingLayer;
import org.oscim.layers.tile.vector.labeling.LabelLayer;
import org.oscim.map.Layers;
import org.oscim.renderer.BitmapRenderer;
import org.oscim.renderer.GLViewport;
import org.oscim.scalebar.DefaultMapScaleBar;
import org.oscim.scalebar.ImperialUnitAdapter;
import org.oscim.scalebar.MapScaleBar;
import org.oscim.scalebar.MapScaleBarLayer;
import org.oscim.scalebar.MetricUnitAdapter;
import org.oscim.theme.VtmThemes;

public class LayerGroupActivity extends BaseMapActivity {

    private static final int GROUP_3D_OBJECTS = 1;
    private static final int GROUP_LABELS = 2;
    private static final int GROUP_OVERLAYS = 3;

    private DefaultMapScaleBar mapScaleBar;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        Layers layers = mMap.layers();

        layers.addGroup(GROUP_3D_OBJECTS);
        layers.add(new BuildingLayer(mMap, mBaseLayer), GROUP_3D_OBJECTS);

        layers.addGroup(GROUP_LABELS);
        layers.add(new LabelLayer(mMap, mBaseLayer), GROUP_LABELS);

        mapScaleBar = new DefaultMapScaleBar(mMap);
        mapScaleBar.setScaleBarMode(DefaultMapScaleBar.ScaleBarMode.BOTH);
        mapScaleBar.setDistanceUnitAdapter(MetricUnitAdapter.INSTANCE);
        mapScaleBar.setSecondaryDistanceUnitAdapter(ImperialUnitAdapter.INSTANCE);
        mapScaleBar.setScaleBarPosition(MapScaleBar.ScaleBarPosition.BOTTOM_LEFT);

        MapScaleBarLayer mapScaleBarLayer = new MapScaleBarLayer(mMap, mapScaleBar);
        BitmapRenderer renderer = mapScaleBarLayer.getRenderer();
        renderer.setPosition(GLViewport.Position.BOTTOM_LEFT);
        renderer.setOffset(5 * CanvasAdapter.getScale(), 0);

        layers.addGroup(GROUP_OVERLAYS);
        layers.add(mapScaleBarLayer, GROUP_OVERLAYS);

        mMap.setTheme(VtmThemes.DEFAULT);
    }

    @Override
    protected void onDestroy() {
        if (mapScaleBar != null)
            mapScaleBar.destroy();

        super.onDestroy();
    }
}