/*
* GeoSolutions Android map Library - Digital field mapping on Android based devices
* Copyright (C) 2014 GeoSolutions (www.geo-solutions.it)
*
* 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, 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package it.geosolutions.android.map.mbtiles;
import android.util.Log;
import jsqlite.Exception;
import it.geosolutions.android.map.BuildConfig;
import it.geosolutions.android.map.database.SpatialDataSourceManager;
import it.geosolutions.android.map.model.Layer;
import it.geosolutions.android.map.model.LayerGroup;
import it.geosolutions.android.map.style.AdvancedStyle;
import it.geosolutions.android.map.style.StyleManager;
import eu.geopaparazzi.spatialite.database.spatial.core.ISpatialDatabaseHandler;
import eu.geopaparazzi.spatialite.database.spatial.core.SpatialRasterTable;
/**
* Abstraction for an MBTiles Layer
* @author Lorenzo Pini (lorenzo.pini@geo-solutions.it)
*/
public class MbTilesLayer implements Layer<MbTilesSource> {
/**
* Tag for logging
*/
protected static final String TAG = "MbTilesLayer";
protected String title;
protected String label;
protected MbTilesSource source;
protected String tableName;
protected LayerGroup layerGroup;
protected int opacity;
public static int MAX_OPACITY = 255;
public MbTilesLayer(SpatialRasterTable t) {
if(t != null){
this.title = t.getTableName();
this.tableName = t.getTableName();
}
this.opacity = MAX_OPACITY;
}
public AdvancedStyle getStyle(){
StyleManager styleManager =StyleManager.getInstance();
return styleManager.getStyle(tableName);
}
boolean visibility =true;
private int status;
public MbTilesSource getSource() {
return source;
}
public void setSource(MbTilesSource source) {
this.source = source;
}
public void setTitle(String title) {
this.title = title;
}
@Override
public String getTitle() {
return title;
}
@Override
public boolean isVisibility() {
return visibility;
}
@Override
public void setVisibility(boolean visibility) {
this.visibility = visibility;
}
public String getTableName() {
return tableName;
}
public void setTableName(String tableName) {
this.tableName = tableName;
}
/* (non-Javadoc)
* @see it.geosolutions.android.map.model.Layer#setStatus(int)
*/
@Override
public void setStatus(int status) {
this.status = status;
}
/* (non-Javadoc)
* @see it.geosolutions.android.map.model.Layer#getStatus()
*/
@Override
public int getStatus() {
return status;
}
/**
* Returns the renderer associated to this layer
* @return
*/
public ISpatialDatabaseHandler getSpatialDatabaseHandler(){
SpatialDataSourceManager sdsm = SpatialDataSourceManager.getInstance();
if(sdsm != null){
try {
if(sdsm.getRasterTableByName(tableName)!=null){
return sdsm.getRasterHandler(sdsm.getRasterTableByName(tableName));
}
} catch (Exception e) {
if(BuildConfig.DEBUG){
Log.e("MbTilesLayer", "Exception while getting SpatialDatabaseHandler");
Log.e("MbTilesLayer", e.getLocalizedMessage(), e);
}
}
}
return null;
}
/**
* Set {@link LayerGroup}
*/
@Override
public void setLayerGroup(LayerGroup layerGroup) {
this.layerGroup = layerGroup;
}
/**
* Get {@link LayerGroup}
*/
@Override
public LayerGroup getLayerGroup() {
return this.layerGroup;
}
@Override
public void setOpacity(double opacityValue) {
if(opacityValue < 0 || opacityValue > 255){
// Fully visible
this.opacity = MAX_OPACITY;
}else{
try{
this.opacity = (int) Math.floor(opacityValue);
}catch(ClassCastException cce){
if(BuildConfig.DEBUG){
Log.w(TAG, "Cannot cast opacity value to INT");
}
this.opacity = MAX_OPACITY;
}
}
}
@Override
public double getOpacity() {
return this.opacity;
}
@Override
public String getLabel() {
return this.label;
}
@Override
public void setLabel(String label) {
this.label = label;
}
}