gisq-ol-mobile-offline/gisq/layer/gisqOfflineMbTilesLayer.js

## Project setup ``` npm install ```

import TileLayer from 'ol/layer/Tile'
import GisqMobileMbTileSource from '../source/gisqMbTilesSource.js'
import gisqOlMobileProj from "../proj/gisqMobileProj.js"
var GisqOfflineMbTilesLayer=(function(){
	var proj3857=gisqOlMobileProj.proj3857;
	
	function TilesLayer(options){
		TilesLayer.TABLE_TYPE_MBTILES="mbtiles"
		TilesLayer.TABLE_TYPE_ARCGIS="arcgis"
		options=options||{};
		this.path=options.path;
		this.projection=options.projection||'EPSG:3857';
		this.resolutions=options.resolutions||proj3857.resolutions;
		this.origin=options.origin;
		this.tileType=options.tileType||TilesLayer.TABLE_TYPE_MBTILES;
		var tilesource=new GisqMobileMbTileSource(this.path,{
			projection:this.projection,
			resolutions:this.resolutions,
			origin:this.origin,
			tileType:this.tileType
		});
		this.tilesource=tilesource.getTileSource();
		
		
	}
	TilesLayer.prototype.getLayer=function(){
		return new TileLayer({
		  		source: this.tilesource,
		  		projection: this.projection,
		  	});
	}
	function getMedata(path){
		if(typeof(plus)=="undefined"||!plus) return "";
		var MbTilesMapServiceLayer = plus.android.importClass('com.zjzs.gisq.layer.MbTilesMapServiceLayer');
		var nativeMbTilesLayer = new MbTilesMapServiceLayer(path, "");
		var metaData = plus.android.invoke(nativeMbTilesLayer, "getConfig");
		return metaData;
	}
	TilesLayer.getMedata=getMedata;
	return TilesLayer;
})();
export default GisqOfflineMbTilesLayer;