package us.keithirwin.tracman; import android.content.Context; import android.content.Intent; import android.net.Uri; import android.support.v4.app.Fragment; import android.support.v7.app.AppCompatActivity; import android.support.v7.app.ActionBar; import android.support.v7.app.ActionBarDrawerToggle; import android.support.v4.view.GravityCompat; import android.support.v4.widget.DrawerLayout; import android.content.res.Configuration; import android.os.Bundle; 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.ViewGroup; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.ListView; import android.widget.Toast; /** * Fragment used for managing interactions for and presentation of a navigation drawer. * See the * design guidelines for a complete explanation of the behaviors implemented here. */ public class NavigationDrawerFragment extends Fragment { private static final String TAG = "NavDrawerFrag"; /** * Remember the position of the selected item. */ private static final String STATE_SELECTED_POSITION = "selected_navigation_drawer_position"; /** * 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; // public NavigationDrawerFragment() {} @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); if (savedInstanceState != null) { mCurrentSelectedPosition = savedInstanceState.getInt(STATE_SELECTED_POSITION); } // 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) { mDrawerListView = (ListView) inflater.inflate( R.layout.drawer, container, false); mDrawerListView.setOnItemClickListener(new AdapterView.OnItemClickListener() { @Override public void onItemClick(AdapterView parent, View view, int position, long id) { selectItem(position); } }); mDrawerListView.setAdapter(new ArrayAdapter<>( getActionBar().getThemedContext(), android.R.layout.simple_list_item_activated_1, // android.R.id.text1, new String[]{ getString(R.string.main_name), getString(R.string.settings_name), getString(R.string.about_name), getString(R.string.logout_name) })); mDrawerListView.setItemChecked(mCurrentSelectedPosition, true); return mDrawerListView; } // 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); // 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.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); if (!isAdded()) { return; } getActivity().invalidateOptionsMenu(); // calls onPrepareOptionsMenu() } }; // Defer code dependent on restoration of previous instance state. mDrawerLayout.post(new Runnable() { @Override public void run() { mDrawerToggle.syncState(); } }); mDrawerLayout.addDrawerListener(mDrawerToggle); } private void selectItem(int position) { Log.v(TAG, "selectItem() called"); mCurrentSelectedPosition = position; if (mDrawerListView != null) { Log.v(TAG, "mDrawerListView != null"); // mDrawerListView.setItemChecked(position, true); } if (mDrawerLayout != null) { Log.v(TAG, "mDrawerLayout != null"); // mDrawerLayout.closeDrawer(mFragmentContainerView); } if (mCallbacks != null) { Log.v(TAG, "mCallbacks != null"); mCallbacks.onNavigationDrawerItemSelected(position); } } @Override public void onAttach(Context context) { super.onAttach(context); try { mCallbacks = (NavigationDrawerCallbacks) context; } 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) { // Show the global app actions in the action bar. See also // showGlobalContextActionBar, which controls the top-left area of the action bar. 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.help_action) { Toast.makeText(getActivity(), "Help is on the way! ", Toast.LENGTH_SHORT).show(); // TODO: help activity return true; } else if (item.getItemId() == R.id.suggestions_action) { String url = "https://tracman.org/suggestion"; Intent i = new Intent(Intent.ACTION_VIEW); i.setData(Uri.parse(url)); startActivity(i); return true; } else if (item.getItemId() == R.id.bugs_action) { String url = "https://tracman.org/bug?source=android"; Intent i = new Intent(Intent.ACTION_VIEW); i.setData(Uri.parse(url)); startActivity(i); 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.setTitle(R.string.app_name); } private ActionBar getActionBar() { return ((AppCompatActivity) getActivity()).getSupportActionBar(); } /** * Callbacks interface that all activities using this fragment must implement. */ public interface NavigationDrawerCallbacks { /** * Called when an item in the navigation drawer is selected. */ void onNavigationDrawerItemSelected(int position); } }