package com.lu.overlayutil;
import android.content.Context;
import android.graphics.Color;
import android.os.Bundle;
import android.util.Log;
import android.widget.Toast;
import com.baidu.mapapi.map.BaiduMap;
import com.baidu.mapapi.map.BitmapDescriptor;
import com.baidu.mapapi.map.BitmapDescriptorFactory;
import com.baidu.mapapi.map.Marker;
import com.baidu.mapapi.map.MarkerOptions;
import com.baidu.mapapi.map.Overlay;
import com.baidu.mapapi.map.OverlayOptions;
import com.baidu.mapapi.map.Polyline;
import com.baidu.mapapi.map.PolylineOptions;
import com.baidu.mapapi.model.LatLng;
import com.baidu.mapapi.search.route.WalkingRouteLine;
import java.util.ArrayList;
import java.util.List;
/**
* 用于显示步行路线的overlay，自3.4.0版本起可实例化多个添加在地图中显示
*/
public class WalkingRouteOverlay extends OverlayManager {
private Context context;
private WalkingRouteLine mRouteLine = null;
public WalkingRouteOverlay(Context context,BaiduMap baiduMap) {
super(baiduMap);
this.context=context;
}
/**
* 设置路线数据。
*
* @param line
* 路线数据
*/
public void setData(WalkingRouteLine line) {
mRouteLine = line;
}
@Override
public final List<OverlayOptions> getOverlayOptions() {
if (mRouteLine == null) {
return null;
}
List<OverlayOptions> overlayList = new ArrayList<OverlayOptions>();
if (mRouteLine.getAllStep() != null
&& mRouteLine.getAllStep().size() > 0) {
for (WalkingRouteLine.WalkingStep step : mRouteLine.getAllStep()) {
Bundle b = new Bundle();
b.putInt("index", mRouteLine.getAllStep().indexOf(step));
if (step.getEntrance() != null) {
overlayList.add((new MarkerOptions())
.position(step.getEntrance().getLocation())
.rotate((360 - step.getDirection()))
.zIndex(10)
.anchor(0.5f, 0.5f)
.extraInfo(b)
.icon(BitmapDescriptorFactory
.fromAssetWithDpi("Icon_line_node.png")));
}
// 最后路段绘制出口点
if (mRouteLine.getAllStep().indexOf(step) == (mRouteLine
.getAllStep().size() - 1) && step.getExit() != null) {
overlayList.add((new MarkerOptions())
.position(step.getExit().getLocation())
.anchor(0.5f, 0.5f)
.zIndex(10)
.icon(BitmapDescriptorFactory
.fromAssetWithDpi("Icon_line_node.png")));
}
}
}
// starting
if (mRouteLine.getStarting() != null) {
overlayList.add((new MarkerOptions())
.position(mRouteLine.getStarting().getLocation())
.icon(getStartMarker() != null ? getStartMarker() :
BitmapDescriptorFactory
.fromAssetWithDpi("Icon_start.png")).zIndex(10));
}
// terminal
if (mRouteLine.getTerminal() != null) {
overlayList
.add((new MarkerOptions())
.position(mRouteLine.getTerminal().getLocation())
.icon(getTerminalMarker() != null ? getTerminalMarker() :
BitmapDescriptorFactory
.fromAssetWithDpi("Icon_end.png"))
.zIndex(10));
}
// poly line list
if (mRouteLine.getAllStep() != null
&& mRouteLine.getAllStep().size() > 0) {
LatLng lastStepLastPoint = null;
for (WalkingRouteLine.WalkingStep step : mRouteLine.getAllStep()) {
List<LatLng> watPoints = step.getWayPoints();
if (watPoints != null) {
List<LatLng> points = new ArrayList<LatLng>();
if (lastStepLastPoint != null) {
points.add(lastStepLastPoint);
}
points.addAll(watPoints);
overlayList.add(new PolylineOptions().points(points).width(10)
.color(getLineColor() != 0 ? getLineColor() : Color.argb(178, 0, 78, 255)).zIndex(0));
lastStepLastPoint = watPoints.get(watPoints.size() - 1);
}
}
}
return overlayList;
}
/**
* 覆写此方法以改变默认起点图标
*
* @return 起点图标
*/
public BitmapDescriptor getStartMarker() {
return null;
}
public int getLineColor() {
return 0;
}
/**
* 覆写此方法以改变默认终点图标
*
* @return 终点图标
*/
public BitmapDescriptor getTerminalMarker() {
return null;
}
/**
* 处理点击事件
*
* @param i
* 被点击的step在
* {@link WalkingRouteLine#getAllStep()}
* 中的索引
* @return 是否处理了该点击事件
*/
public boolean onRouteNodeClick(int i) {
if (mRouteLine.getAllStep() != null
&& mRouteLine.getAllStep().get(i) != null) {
Log.i("baidumapsdk", "WalkingRouteOverlay onRouteNodeClick");
WalkingRouteLine.WalkingStep walkingStep = mRouteLine.getAllStep().get(i);
Toast.makeText(context,walkingStep.getInstructions(),Toast.LENGTH_SHORT).show();
}
return false;
}
@Override
public final boolean onMarkerClick(Marker marker) {
for (Overlay mMarker : mOverlayList) {
if (mMarker instanceof Marker && mMarker.equals(marker)) {
if (marker.getExtraInfo() != null) {
onRouteNodeClick(marker.getExtraInfo().getInt("index"));
}
}
}
return true;
}
@Override
public boolean onPolylineClick(Polyline polyline) {
// TODO Auto-generated method stub
return false;
}
}
