package com.example.fudanbbs;
import android.app.Activity;
import android.app.ActionBar;
import android.app.Fragment;
import android.support.v4.app.ActionBarDrawerToggle;
import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.res.Configuration;
import android.graphics.Color;
import android.graphics.drawable.ColorDrawable;
import android.os.Bundle;
import android.os.Handler;
import android.preference.PreferenceManager;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.TextView;
import android.widget.Toast;
/**
* @author Joseph.Zhong
*
*/
/**
* Fragment used for managing interactions for and presentation of a navigation drawer.
* See the <a href="https://developer.android.com/design/patterns/navigation-drawer.html#Interaction">
* design guidelines</a> for a complete explanation of the behaviors implemented here.
*/
public class NavigationDrawerFragment extends Fragment {
private DrawerAdapter adapter;
private FudanBBSApplication currentApplication;
/**
* Remember the position of the selected item.
*/
private static final String STATE_SELECTED_POSITION = "selected_navigation_drawer_position";
/**
* Per the design guidelines, you should show the drawer on launch until the user manually
* expands it. This shared preference tracks this.
*/
private static final String PREF_USER_LEARNED_DRAWER = "navigation_drawer_learned";
/**
* A pointer to the current callbacks instance (the Activity).
*/
private NavigationDrawerCallbacks mCallbacks;
/**
* Helper component that ties the action bar to the navigation drawer.
*/
private ActionBarDrawerToggle mDrawerToggle;
private DrawerLayout mDrawerLayout;
private ListView mDrawerListView;
private View mFragmentContainerView;
private int mCurrentSelectedPosition = 0;
private boolean mFromSavedInstanceState;
private boolean mUserLearnedDrawer;
public NavigationDrawerFragment() {
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// Read in the flag indicating whether or not the user has demonstrated awareness of the
// drawer. See PREF_USER_LEARNED_DRAWER for details.
SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(getActivity());
mUserLearnedDrawer = sp.getBoolean(PREF_USER_LEARNED_DRAWER, false);
if (savedInstanceState != null) {
mCurrentSelectedPosition = savedInstanceState.getInt(STATE_SELECTED_POSITION);
mFromSavedInstanceState = true;
}
// Select either the default item (0) or the last selected item.
selectItem(mCurrentSelectedPosition);
}
@Override
public void onActivityCreated (Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
// Indicate that this fragment would like to influence the set of actions in the action bar.
setHasOptionsMenu(true);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
currentApplication = (FudanBBSApplication)this.getActivity().getApplication();
mDrawerListView = (ListView) inflater.inflate(
R.layout.fragment_navigation_drawer, container, false);
adapter = new DrawerAdapter(getActionBar().getThemedContext(), mCurrentSelectedPosition, mCurrentSelectedPosition,
new String[]{
getString(R.string.top10board),
getString(R.string.recommendboard),
getString(R.string.myfavorite),
getString(R.string.allboard),
getString(R.string.mymail),
getString(R.string.mypreference),
});
mDrawerListView.setAdapter(adapter);
mDrawerListView.setItemChecked(mCurrentSelectedPosition, true);
return mDrawerListView;
}
// @Override
// public void onResume() {
// // TODO Auto-generated method stub
// super.onResume();
// Log.v("navigation drawer", "on resumed");
// new Handler().postDelayed(new Runnable(){
// @Override
// public void run() {
// // TODO Auto-generated method stub
// adapter.notifyDataSetChanged();
// }
//
// }, 0);
// }
public boolean isDrawerOpen() {
return mDrawerLayout != null && mDrawerLayout.isDrawerOpen(mFragmentContainerView);
}
/**
* Users of this fragment must call this method to set up the navigation drawer interactions.
*
* @param fragmentId The android:id of this fragment in its activity's layout.
* @param drawerLayout The DrawerLayout containing this fragment's UI.
*/
public void setUp(int fragmentId, DrawerLayout drawerLayout) {
mFragmentContainerView = getActivity().findViewById(fragmentId);
mDrawerLayout = drawerLayout;
// set a custom shadow that overlays the main content when the drawer opens
mDrawerLayout.setDrawerShadow(R.drawable.drawer_shadow, GravityCompat.START);
// set up the drawer's list view with items and click listener
ActionBar actionBar = getActionBar();
actionBar.setDisplayHomeAsUpEnabled(true);
actionBar.setHomeButtonEnabled(true);
actionBar.setTitle("title");
// ActionBarDrawerToggle ties together the the proper interactions
// between the navigation drawer and the action bar app icon.
mDrawerToggle = new ActionBarDrawerToggle(
getActivity(), /* host Activity */
mDrawerLayout, /* DrawerLayout object */
R.drawable.ic_drawer, /* nav drawer image to replace 'Up' caret */
R.string.navigation_drawer_open, /* "open drawer" description for accessibility */
R.string.navigation_drawer_close /* "close drawer" description for accessibility */
) {
@Override
public void onDrawerClosed(View drawerView) {
super.onDrawerClosed(drawerView);
if (!isAdded()) {
return;
}
getActivity().invalidateOptionsMenu(); // calls onPrepareOptionsMenu()
}
@Override
public void onDrawerOpened(View drawerView) {
super.onDrawerOpened(drawerView);
Log.v("navigation drawer", "on drawer opened");
new Handler().postDelayed(new Runnable(){
@Override
public void run() {
// TODO Auto-generated method stub
adapter.notifyDataSetChanged();
}
}, 0);
if (!isAdded()) {
return;
}
if (!mUserLearnedDrawer) {
// The user manually opened the drawer; store this flag to prevent auto-showing
// the navigation drawer automatically in the future.
mUserLearnedDrawer = true;
SharedPreferences sp = PreferenceManager
.getDefaultSharedPreferences(getActivity());
sp.edit().putBoolean(PREF_USER_LEARNED_DRAWER, true).apply();
}
getActivity().invalidateOptionsMenu(); // calls onPrepareOptionsMenu()
}
};
// If the user hasn't 'learned' about the drawer, open it to introduce them to the drawer,
// per the navigation drawer design guidelines.
if (!mUserLearnedDrawer && !mFromSavedInstanceState) {
mDrawerLayout.openDrawer(mFragmentContainerView);
}
// Defer code dependent on restoration of previous instance state.
mDrawerLayout.post(new Runnable() {
@Override
public void run() {
mDrawerToggle.syncState();
}
});
mDrawerLayout.setDrawerListener(mDrawerToggle);
}
private void selectItem(int position) {
mCurrentSelectedPosition = position;
if (mDrawerListView != null) {
mDrawerListView.setItemChecked(position, true);
}
if (mDrawerLayout != null) {
mDrawerLayout.closeDrawer(mFragmentContainerView);
}
if (mCallbacks != null) {
mCallbacks.onNavigationDrawerItemSelected(position);
}
}
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
try {
mCallbacks = (NavigationDrawerCallbacks) activity;
} catch (ClassCastException e) {
throw new ClassCastException("Activity must implement NavigationDrawerCallbacks.");
}
}
@Override
public void onDetach() {
super.onDetach();
mCallbacks = null;
}
@Override
public void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
outState.putInt(STATE_SELECTED_POSITION, mCurrentSelectedPosition);
}
@Override
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
// Forward the new configuration the drawer toggle component.
mDrawerToggle.onConfigurationChanged(newConfig);
}
@Override
public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
// If the drawer is open, show the global app actions in the action bar. See also
// showGlobalContextActionBar, which controls the top-left area of the action bar.
if (mDrawerLayout != null && isDrawerOpen()) {
inflater.inflate(R.menu.global, menu);
showGlobalContextActionBar();
}
super.onCreateOptionsMenu(menu, inflater);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
if (mDrawerToggle.onOptionsItemSelected(item)) {
return true;
}
// if (item.getItemId() == R.id.action_example) {
// Toast.makeText(getActivity(), "Example action.", Toast.LENGTH_SHORT).show();
// return true;
// }
return super.onOptionsItemSelected(item);
}
/**
* Per the navigation drawer design guidelines, updates the action bar to show the global app
* 'context', rather than just what's in the current screen.
*/
private void showGlobalContextActionBar() {
ActionBar actionBar = getActionBar();
actionBar.setDisplayShowTitleEnabled(true);
actionBar.setBackgroundDrawable(new ColorDrawable(getResources().getColor(R.color.fudanNavigation)));
actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
actionBar.setTitle(R.string.app_name);
}
private ActionBar getActionBar() {
return getActivity().getActionBar();
}
public class DrawerAdapter extends ArrayAdapter{
@Override
public int getCount() {
// TODO Auto-generated method stub
// return super.getCount();
return 1;
}
private Context context;
private String[] stringarray;
private LayoutInflater inflater;
private ListView listview;
public DrawerAdapter(Context context, int resource,
int textViewResourceId, Object[] objects) {
super(context, resource, textViewResourceId, objects);
// TODO Auto-generated constructor stub
this.context = context;
this.stringarray = (String[]) objects;
this.inflater = LayoutInflater.from(context);
}
@Override
public View getView(int position, View convertView,
ViewGroup parent) {
// TODO Auto-generated method stub
// return super.getView(position, convertView, parent);
convertView = inflater.inflate(R.layout.drawercontent, null);
TextView textview = (TextView) convertView.findViewById(R.id.drawerusername);
// textview.setTextSize(20);
if(currentApplication.isCurrentUserGuest()){
textview.setText(R.string.notloginyet);
Log.v("iscurrentuserguest", "yes");
}else{
textview.setText(currentApplication.getCurrentUsername());
Log.v("iscurrentuserguest", "no");
}
LinearLayout layout1 = (LinearLayout) convertView.findViewById(R.id.layout1);
LinearLayout layout2 = (LinearLayout) convertView.findViewById(R.id.layout2);
LinearLayout layout3 = (LinearLayout) convertView.findViewById(R.id.layout3);
LinearLayout layout4 = (LinearLayout) convertView.findViewById(R.id.layout4);
LinearLayout layout5 = (LinearLayout) convertView.findViewById(R.id.layout5);
LinearLayout layout6 = (LinearLayout) convertView.findViewById(R.id.layout6);
LinearLayout layout;
MainActivity ma = (MainActivity) getActivity();
switch(ma.currentposition){
case 1:
layout = layout1;
break;
case 2:
layout = layout2;
break;
case 3:
layout = layout3;
break;
case 4:
layout = layout4;
break;
case 5:
layout = layout5;
break;
case 6:
layout = layout6;
break;
default:
layout = layout2;
}
layout.setBackgroundColor(getResources().getColor(R.color.coral));
OnClickListener listener = new OnClickListener(){
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
switch(v.getId()){
case R.id.layout1:
selectItem(1);
break;
case R.id.layout2:
selectItem(2);
break;
case R.id.layout3:
selectItem(3);
break;
case R.id.layout4:
selectItem(4);
break;
case R.id.layout5:
selectItem(5);
break;
case R.id.layout6:
selectItem(6);
break;
}
}
};
layout1.setOnClickListener(listener);
layout2.setOnClickListener(listener);
layout3.setOnClickListener(listener);
layout4.setOnClickListener(listener);
layout5.setOnClickListener(listener);
layout6.setOnClickListener(listener);
return convertView;
}
}
/**
* Callbacks interface that all activities using this fragment must implement.
*/
public static interface NavigationDrawerCallbacks {
/**
* Called when an item in the navigation drawer is selected.
*/
void onNavigationDrawerItemSelected(int position);
}
}