package de.saxsys.android.projectiler.app.ui.fragment;
import android.app.Activity;
import android.content.SharedPreferences;
import android.content.res.Configuration;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.support.v4.app.ActionBarDrawerToggle;
import android.support.v4.app.FragmentManager;
import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBar;
import android.support.v7.app.ActionBarActivity;
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.ExpandableListView;
import android.widget.ImageButton;
import android.widget.RelativeLayout;
import com.todddavies.components.progressbar.ProgressWheel;
import org.droidparts.annotation.inject.InjectView;
import org.droidparts.concurrent.task.AsyncTaskResultListener;
import org.droidparts.fragment.support.v4.Fragment;
import java.util.List;
import de.keyboardsurfer.android.widget.crouton.Crouton;
import de.keyboardsurfer.android.widget.crouton.Style;
import de.saxsys.android.projectiler.app.R;
import de.saxsys.android.projectiler.app.asynctasks.GetProjectsAsyncTask;
import de.saxsys.android.projectiler.app.ui.adapter.NavigationDrawerAdapter;
import de.saxsys.android.projectiler.app.utils.BusinessProcess;
/**
* 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 implements View.OnClickListener {
/**
* 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 int mCurrentSelectedPosition = 0;
private boolean mFromSavedInstanceState;
private boolean mUserLearnedDrawer;
private List<String> itemList;
private BusinessProcess businessProcess;
private DrawerLayout mDrawerLayout;
private View mFragmentContainerView;
@InjectView(id = R.id.lvProjects)
private ExpandableListView mDrawerListView;
@InjectView(id = R.id.rl_refresh)
private RelativeLayout rlRefresh;
@InjectView(id = R.id.ibRefresh, click = true)
private ImageButton ibRefresh;
@InjectView(id = R.id.pw_spinner)
private ProgressWheel progress;
public NavigationDrawerFragment() {
}
private AsyncTaskResultListener<List<String>> getProjectsListener = new AsyncTaskResultListener<List<String>>() {
@Override
public void onAsyncTaskSuccess(List<String> itemList) {
progress.setVisibility(View.GONE);
setItems(itemList);
if (businessProcess.getProjectName().equals("")) {
FragmentManager fragmentManager = getActivity().getSupportFragmentManager();
Fragment fragment = TimeTrackingFragment.newInstance("", false, true);
fragmentManager.beginTransaction()
.replace(R.id.container, fragment)
.commit();
}
}
@Override
public void onAsyncTaskFailure(Exception e) {
progress.setVisibility(View.GONE);
Crouton.makeText(getActivity(), getString(R.string.no_connection_to_server), Style.ALERT).show();
FragmentManager fragmentManager = getActivity().getSupportFragmentManager();
Fragment fragment = TimeTrackingFragment.newInstance("", false, true);
fragmentManager.beginTransaction()
.replace(R.id.container, fragment)
.commit();
setItems(null);
}
};
@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);
businessProcess = BusinessProcess.getInstance(getActivity().getApplicationContext());
// 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;
}else{
progress.setVisibility(View.VISIBLE);
progress.spin();
new GetProjectsAsyncTask(getActivity().getApplicationContext(), false, getProjectsListener).execute();
}
// Select either the default item (0) or the last selected item.
selectItem(mCurrentSelectedPosition);
}
@Override
public View onCreateView(Bundle savedInstanceState, LayoutInflater inflater, ViewGroup container) {
return inflater.inflate(R.layout.fragment_navigation_drawer, container, false);
}
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.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().supportInvalidateOptionsMenu(); // calls onPrepareOptionsMenu()
}
@Override
public void onDrawerOpened(View drawerView) {
super.onDrawerOpened(drawerView);
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).commit();
}
getActivity().supportInvalidateOptionsMenu(); // 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_logout) {
return true;
}else if(item.getItemId() == R.id.action_refresh_Projects){
getActivity().setProgressBarIndeterminateVisibility(true);
progress.setVisibility(View.VISIBLE);
progress.spin();
rlRefresh.setVisibility(View.GONE);
mDrawerListView.setVisibility(View.GONE);
new GetProjectsAsyncTask(getActivity().getApplication(),true, refreshClickListener).execute();
}
return super.onOptionsItemSelected(item);
}
@Override
public void onResume() {
super.onResume();
if(itemList != null){
int currentActiveIndex = businessProcess.getCurrentActiveProjectIndex(itemList);
mDrawerListView.setAdapter(new NavigationDrawerAdapter(getActivity().getApplicationContext(), itemList, currentActiveIndex));
}
}
/**
* 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.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
actionBar.setTitle(R.string.app_name);
}
private ActionBar getActionBar() {
return ((ActionBarActivity) getActivity()).getSupportActionBar();
}
public void setItems(final List<String> itemList) {
if(itemList == null){
mDrawerListView.setVisibility(View.GONE);
rlRefresh.setVisibility(View.VISIBLE);
}else{
mDrawerListView.setVisibility(View.VISIBLE);
rlRefresh.setVisibility(View.GONE);
this.itemList = itemList;
final int currentActiveIndex = businessProcess.getCurrentActiveProjectIndex(itemList);
mDrawerListView.setAdapter(new NavigationDrawerAdapter(getActivity().getApplicationContext(), itemList, currentActiveIndex));
mDrawerListView.setGroupIndicator(null);
mDrawerListView.setOnChildClickListener(new ExpandableListView.OnChildClickListener() {
@Override
public boolean onChildClick(ExpandableListView expandableListView, View view, int groupPosition, int childPosition, long l) {
FragmentManager fragmentManager = getActivity().getSupportFragmentManager();
int activeIndex = businessProcess.getCurrentActiveProjectIndex(itemList);
if(groupPosition == 0){
Fragment currentTracksFragment = CurrentTracksFragment.newInstance();
fragmentManager.beginTransaction()
.replace(R.id.container, currentTracksFragment)
.commit();
mDrawerLayout.closeDrawers();
}else if (groupPosition == 1){
// gibt es ein aktives projekt?
if(activeIndex != -1){
// wurde auf das aktive projekt geklickt?
if(childPosition == currentActiveIndex){
Fragment fragment = TimeTrackingFragment.newInstance(itemList.get(childPosition), false, true);
fragmentManager.beginTransaction()
.replace(R.id.container, fragment)
.commit();
mDrawerLayout.closeDrawers();
}
}else{
Fragment fragment = TimeTrackingFragment.newInstance(itemList.get(childPosition), false, true);
fragmentManager.beginTransaction()
.replace(R.id.container, fragment)
.commit();
mDrawerLayout.closeDrawers();
}
}
return false;
}
});
}
}
public String getProjectName(int position) {
if(itemList == null){
return null;
}
return itemList.get(position);
}
public void setProjectActive(String projectName) {
List<String> items = itemList;
if(items != null){
int currentActiveIndex = -1;
for(int i = 0; i < items.size(); i++){
if(projectName.equals(items.get(i))){
currentActiveIndex = i;
}
}
mDrawerListView.setAdapter(new NavigationDrawerAdapter(getActivity().getApplicationContext(), items, currentActiveIndex));
}
}
@Override
public void onClick(View view) {
if( view == ibRefresh){
getActivity().setProgressBarIndeterminateVisibility(true);
progress.setVisibility(View.VISIBLE);
progress.spin();
rlRefresh.setVisibility(View.GONE);
new GetProjectsAsyncTask(getActivity().getApplication(), false, refreshClickListener).execute();
}
}
private AsyncTaskResultListener<List<String>> refreshClickListener = new AsyncTaskResultListener<List<String>>() {
@Override
public void onAsyncTaskSuccess(List<String> items) {
getActivity().setProgressBarIndeterminateVisibility(false);
progress.setVisibility(View.GONE);
setItems(items);
}
@Override
public void onAsyncTaskFailure(Exception e) {
Crouton.makeText(getActivity(), getString(R.string.no_connection_to_server), Style.ALERT).show();
progress.setVisibility(View.GONE);
getActivity().setProgressBarIndeterminateVisibility(false);
setItems(null);
}
};
/**
* 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);
}
}