package cn.scau.scautreasure.ui;
import android.os.Handler;
import android.view.MenuItem;
import android.widget.LinearLayout;
import com.devspark.appmsg.AppMsg;
import org.androidannotations.annotations.AfterViews;
import org.androidannotations.annotations.App;
import org.androidannotations.annotations.Background;
import org.androidannotations.annotations.EFragment;
import org.androidannotations.annotations.OptionsItem;
import org.androidannotations.annotations.OptionsMenu;
import org.androidannotations.annotations.UiThread;
import org.androidannotations.annotations.ViewById;
import org.androidannotations.annotations.res.StringArrayRes;
import org.androidannotations.annotations.rest.RestService;
import org.androidannotations.api.BackgroundExecutor;
import org.springframework.web.client.HttpStatusCodeException;
import java.util.ArrayList;
import java.util.List;
import antistatic.spinnerwheel.AbstractWheel;
import antistatic.spinnerwheel.OnWheelChangedListener;
import cn.scau.scautreasure.AppConstant;
import cn.scau.scautreasure.AppContext;
import cn.scau.scautreasure.R;
import cn.scau.scautreasure.api.BusApi;
import cn.scau.scautreasure.helper.UIHelper;
import cn.scau.scautreasure.model.BusLineModel;
import cn.scau.scautreasure.model.BusSiteModel;
import cn.scau.scautreasure.model.BusStateModel;
import cn.scau.scautreasure.util.CacheUtil;
import cn.scau.scautreasure.widget.BusWidget;
import cn.scau.scautreasure.widget.ParamWidget;
import cn.scau.scautreasure.widget.ParamWidget_;
/**
* User: special
* Date: 13-8-23
* Time: 下午4:40
* Mail: specialcyci@gmail.com
*/
@EFragment (R.layout.bus)
@OptionsMenu(R.menu.menu_bus)
public class Bus extends CommonFragment {
@RestService BusApi api;
@App AppContext app;
@ViewById BusWidget busWidget;
@ViewById LinearLayout layout_parent;
@StringArrayRes
String[] both_direction,both_direction_eng;
@StringArrayRes
String[] cycle_direction,cycle_direction_eng;
private ArrayList<BusLineModel> lineList;
private ArrayList<BusSiteModel> siteList;
private List<BusStateModel> stateList;
private CacheUtil cacheUtil;
private boolean isAutomateRefresh = false;
ParamWidget wheel_line,wheel_direction;
@AfterViews
void init(){
setTitle(R.string.title_bus);
setDataEmptyTips(R.string.tips_bus_loading_err);
cacheUtil = CacheUtil.get(getSherlockActivity());
UIHelper.getDialog(R.string.loading_bus_route).show();
loadLine();
}
/**
* when user
*/
@Override
public void onDestroyView() {
BackgroundExecutor.cancelAll(UIHelper.CANCEL_FLAG,true);
handler.removeCallbacks(runnable);
super.onDestroyView();
}
/**
* main button of refresh
*/
@OptionsItem
void menu_refresh(){
refreshSiteAndBus();
}
/**
* main button of automate refresh;
*/
@OptionsItem
void menu_automate_refresh(MenuItem item){
isAutomateRefresh = !isAutomateRefresh;
if(isAutomateRefresh){
item.setTitle(R.string.menu_automate_refresh_close);
handler.postDelayed(runnable,1000);
}else{
item.setTitle(R.string.menu_automate_refresh);
handler.removeCallbacks(runnable);
}
}
/**
* the timer to automate load data
*/
private Handler handler = new Handler( );
private Runnable runnable = new Runnable( ) {
public void run ( ) {
refreshSiteAndBus();
handler.postDelayed(this,30 * 1000);
}
};
/**
* listen to the wheels change
*/
private OnWheelChangedListener wheelChange = new OnWheelChangedListener() {
@Override
public void onChanged(AbstractWheel wheel, int oldValue, int newValue) {
BusLineModel _line = lineList.get(wheel_line.getWheel().getCurrentItem());
if(wheel == wheel_line.getWheel()){
// 切换线路的话，重新装载方向;
String[] direction = getDirectionByLine(_line);
wheel_direction.initView(getString(R.string.listitem_lable_direction),direction,1);
}else{
// 切换方向的话，加载新的站点信息;
refreshSiteAndBus();
}
}
};
/**
* return the string array of direction which to display in UI;
* @param line
* @return
*/
private String[] getDirectionByLine(BusLineModel line){
String lineType = line.getLineType();
if (lineType.equals("BOTH_DIRECT")){
return both_direction;
}else if (lineType.equals("CYCLE_DIRECT")){
return cycle_direction;
}
return null;
}
private String[] getDirectionEngByLine(BusLineModel line){
String lineType = line.getLineType();
if (lineType.equals("BOTH_DIRECT")){
return both_direction_eng;
}else if (lineType.equals("CYCLE_DIRECT")){
return cycle_direction_eng;
}
return null;
}
//--------------------------------------------------------------------------
//
// UI Related;
//
//--------------------------------------------------------------------------
@UiThread(delay = 300)
void showLine(){
UIHelper.getDialog().dismiss();
// build line information;
int i = 0;
String[] line = new String[lineList.size()];
for (BusLineModel r : lineList) line[i++] = r.getLineNum();
// build up wheel control;
buildWheel(line);
// add to view;
layout_parent.addView(wheel_line,0);
layout_parent.addView(wheel_direction,1);
}
@UiThread
void showSiteAndBus(){
if(siteList != null)
busWidget.initView(siteList, stateList);
}
/**
* call relate method to refresh the site and bus
*/
@UiThread
void refreshSiteAndBus(){
AppMsg.makeText(getSherlockActivity(),R.string.tips_bus_loading, AppMsg.STYLE_INFO).show();
BusLineModel _line = lineList.get(wheel_line.getWheel().getCurrentItem());
String[] direction_eng = getDirectionEngByLine(_line);
String line = wheel_line.getSelectedParam();
String direction = direction_eng[wheel_direction.getWheel().getCurrentItem()];
loadSite(line, direction);
loadData(line, direction);
}
/**
* help to build line and direction wheel;
* @param line
*/
private void buildWheel(String[] line){
wheel_line = ParamWidget_.build(getSherlockActivity());
wheel_direction = ParamWidget_.build(getSherlockActivity());
wheel_line.getWheel().addChangingListener(wheelChange);
wheel_direction.getWheel().addChangingListener(wheelChange);
wheel_line.initView(getString(R.string.listitem_lable_line),line,0);
wheel_direction.initView(getString(R.string.listitem_lable_direction),getDirectionByLine(lineList.get(0)),1);
}
//--------------------------------------------------------------------------
//
// Network Request;
//
//--------------------------------------------------------------------------
/**
* loading line informations
*/
@Background( id = UIHelper.CANCEL_FLAG )
void loadLine(){
loadCacheLineList();
if (lineList == null){
try{
lineList = api.getLine().getLines();
saveCacheLineList();
showLine();
}catch (HttpStatusCodeException e){
showErrorResult(getSherlockActivity(), e.getStatusCode().value());
}
}
}
/**
* loading the bus stop of the route;
* @param line
* @param direction
*/
@Background( id = UIHelper.CANCEL_FLAG )
void loadSite(String line, String direction) {
loadCacheSiteList(line,direction);
if (siteList == null){
try{
siteList = api.getSite(line,direction).getSites();
saveCacheSiteList(line,direction);
}catch (HttpStatusCodeException e){
showErrorResult(getSherlockActivity(), e.getStatusCode().value());
}
}
}
/**
* load the bus location information;
* @param params
*/
@Background( id = UIHelper.CANCEL_FLAG )
void loadData(Object... params) {
try{
stateList = api.getBusState((String) params[0], (String) params[1]).getStates();
showSiteAndBus();
}catch (HttpStatusCodeException e){
showErrorResult(getSherlockActivity(), e.getStatusCode().value());
}
}
private void loadCacheLineList(){
lineList = (ArrayList<BusLineModel>) cacheUtil.getAsObject("bus_line");
}
private void saveCacheLineList(){
cacheUtil.put("bus_line", lineList , AppConstant.BUS_LINE_CACHE_TIME);
}
private void loadCacheSiteList(String line,String direction){
String key = "bus_site_" + line + direction;
siteList = (ArrayList<BusSiteModel>) cacheUtil.getAsObject(key);
}
private void saveCacheSiteList(String line,String direction){
cacheUtil.put("bus_site_" + line + direction, siteList, AppConstant.BUS_SITE_CACHE_TIME);
}
}