@@ -1,14 +1,30 @@
package com .benrcarvergmail .cvhsmobileapplication ;
import android .content .Context ;
import android .net .ConnectivityManager ;
import android .net .NetworkInfo ;
import android .os .AsyncTask ;
import android .os .Bundle ;
import android .support .v4 .app .Fragment ;
import android .support .v4 .widget .SwipeRefreshLayout ;
import android .util .Log ;
import android .view .LayoutInflater ;
import android .view .View ;
import android .view .ViewGroup ;
import android .widget .ExpandableListView ;
import android .widget .Toast ;
import org .json .JSONArray ;
import org .json .JSONException ;
import org .json .JSONObject ;
import java .io .BufferedReader ;
import java .io .IOException ;
import java .io .InputStream ;
import java .io .InputStreamReader ;
import java .lang .reflect .Array ;
import java .net .HttpURLConnection ;
import java .net .URL ;
import java .util .ArrayList ;
import java .util .Arrays ;
import java .util .LinkedHashMap ;
@@ -23,9 +39,13 @@ public class TeacherFragment extends Fragment {
private ArrayList <Teacher > myData ;
private List <String > mGroupList ;
private List <String > mChildList ;
private Map <String , List <String >> mClubCollection ;
private Map <String , List <Teacher >> mTeacherCollection ;
TeacherExpandableListAdapter mExpandableListAdapter ;
private SwipeRefreshLayout mSwipeRefreshLayout ;
private final String defaultSpreadsheetUrl = "https://spreadsheets.google.com/tq?key=1ck-Qzizhg5VxNNP0gPwU193yE1QwE7oQD-SMSV4kX1k" ;
private static final String TAG = "ClubsFragment " ;
private static final String TAG = "TeachersFragment " ;
/**
* Instantiates a new Club fragment.
@@ -35,38 +55,60 @@ public TeacherFragment() {
myData = new ArrayList <>();
}
@ Override
public void onCreate (Bundle savedInstantState ){
super .onCreate (savedInstantState );
ConnectivityManager connMgr = (ConnectivityManager ) getActivity ().getSystemService (Context .CONNECTIVITY_SERVICE );
NetworkInfo networkInfo = connMgr .getActiveNetworkInfo ();
}
public View onCreateView (LayoutInflater inflater , ViewGroup container ,
Bundle savedInstanceState ) {
// Inflate the layout for this fragment
View rootView = inflater .inflate (R .layout .fragment_teachers , container , false );
View rootView = inflater .inflate (R .layout .fragment_clubs , container , false );
// Set up the List Adapter prior to calling populateData()
mGroupList = new ArrayList <>();
mTeacherCollection = new LinkedHashMap <>();
mExpandableListAdapter = new TeacherExpandableListAdapter (getActivity (), mGroupList , mTeacherCollection );
// Create object reference to the RecyclerView created in fragment_clubs.xml
// Populate the mData ArrayList. We currently do not utilize the boolean return type
// Populate the mClubData ArrayList. We currently do not utilize the boolean return type
populateData ();
createGroupList ();
createCollection ();
ExpandableListView mExpandableListView = (ExpandableListView ) rootView .findViewById (R .id .listview );
final ClubsExpandableListAdapter expandableListAdapater = new ClubsExpandableListAdapter (getActivity (), mGroupList , mClubCollection );
mExpandableListView .setAdapter (expandableListAdapater );
mExpandableListView .setAdapter (mExpandableListAdapter );
mExpandableListView .setOnChildClickListener (new ExpandableListView .OnChildClickListener () {
@ Override
public boolean onChildClick (ExpandableListView parent , View v , int groupPosition , int childPosition , long id ) {
final String selected = (String ) expandableListAdapater .getChild (groupPosition , childPosition );
final String selected = (String ) mExpandableListAdapter .getChild (groupPosition , childPosition );
Toast .makeText (getContext (), selected , Toast .LENGTH_SHORT ).show ();
return true ;
}
});
mSwipeRefreshLayout = (SwipeRefreshLayout )
rootView .findViewById (R .id .swipe_refresh_layout_clubs );
mSwipeRefreshLayout .setOnRefreshListener (new SwipeRefreshLayout .OnRefreshListener () {
@ Override
public void onRefresh () {
refreshContent ();
}
});
return rootView ;
}
private void refreshContent () {
populateData ();
mSwipeRefreshLayout .setRefreshing (false );
}
private void createGroupList () {
mGroupList = new ArrayList <>();
for (int i = 0 ; i < myData .size (); i ++) {
@@ -77,21 +119,76 @@ private void createGroupList() {
private void createCollection () {
// Preparing clubs collection (the children, I guess)
String [] randomData = { "Dank Memes" , "Click for more memes" , "Club memes" };
String [] defaultData = { "Mr. Small" , "The robotics club is a club about robotics" , "Memes are Great" };
mClubCollection = new LinkedHashMap <>();
String [] randomData = {"Dank Memes" , "Click for more memes" , "Club memes" };
String [] defaultData = {"Mr. Small" , "The robotics club is a club about robotics" , "Memes are Great" };
mTeacherCollection = new LinkedHashMap <>();
ArrayList <Teacher > mathTeachers = new ArrayList <Teacher >();
ArrayList <Teacher > scienceTeachers = new ArrayList <Teacher >();
ArrayList <Teacher > socialStudiesTeachers = new ArrayList <Teacher >();
ArrayList <Teacher > englishTeachers = new ArrayList <Teacher >();
ArrayList <Teacher > physicalEducationTeachers = new ArrayList <Teacher >();
ArrayList <Teacher > musicTeachers = new ArrayList <Teacher >();
ArrayList <Teacher > cteTeachers = new ArrayList <Teacher >();
ArrayList <Teacher > artTeachers = new ArrayList <Teacher >();
mGroupList .add ("Mathematics" );
mGroupList .add ("Science" );
mGroupList .add ("Social Studies" );
mGroupList .add ("English" );
mGroupList .add ("Physical Education" );
mGroupList .add ("Music" );
mGroupList .add ("Career Technical Education" );
mGroupList .add ("Art" );
for (int i = 0 ; i < myData .size () ; i ++){
Teacher temp = myData .get (i );
if (temp .getDepartment ().equals ("Mathematics" )){
mathTeachers .add (temp );
}
if (temp .getDepartment ().equals ("Science" )){
scienceTeachers .add (temp );
}
if (temp .getDepartment ().equals ("Social Studies" )){
socialStudiesTeachers .add (temp );
}
if (temp .getDepartment ().equals ("English" )){
englishTeachers .add (temp );
}
if (temp .getDepartment ().equals ("Physical Education" )){
physicalEducationTeachers .add (temp );
}
if (temp .getDepartment ().equals ("Music" )){
musicTeachers .add (temp );
}
if (temp .getDepartment ().equals ("CTE" )){
cteTeachers .add (temp );
}
if (temp .getDepartment ().equals ("Art" )){
artTeachers .add (temp );
}
}
mTeacherCollection .put ("Mathematics" , mathTeachers );
mTeacherCollection .put ("Science" , scienceTeachers );
mTeacherCollection .put ("Social Studies" , socialStudiesTeachers );
mTeacherCollection .put ("English" , englishTeachers );
mTeacherCollection .put ("Physical Education" , physicalEducationTeachers );
mTeacherCollection .put ("Music" , musicTeachers );
mTeacherCollection .put ("Career Technical Education" , cteTeachers );
mTeacherCollection .put ("Art" , artTeachers );
for (String club : mGroupList ) {
}
/* for (String club : mGroupList) {
Log.i(TAG, "Club: " + club);
if (club.equals("Robotics")) {
loadChild(defaultData);
} else {
loadChild(randomData);
}
mClubCollection .put (club , mChildList );
}
}
mTeacherCollection.put(club, mChildList); */
private void loadChild (String [] TeachersData ) {
mChildList = new ArrayList <>();
@@ -122,5 +219,165 @@ in lots and lots of cards with the exact same mData. Clearing the ArrayList each
if (myData != null ) {
myData .clear ();
}
new DownloadTeachers ().execute (defaultSpreadsheetUrl );
}
class DownloadTeachers extends AsyncTask <String , Void , String > {
public DownloadTeachers () {
}
@ Override
protected String doInBackground (String ... params ) {
// params[0] is the url
try {
return downloadContent (params [0 ]);
} catch (IOException e ) {
return "Unable to download the requested page..." ;
}
}
@ Override
protected void onPostExecute (String result ) {
/*
Remove the unneeded parts of the download and construct a JSON object. If we don't do this
part, we would have a bunch of unnecessary data around the data we want. We have to cut
that out so we can actually parse everything.
*/
Log .d (TAG , result );
int start = result .indexOf ("{" , result .indexOf ("{" ) + 1 );
int end = result .lastIndexOf ("}" );
String resultFromSub = result .substring (start , end );
try {
JSONObject table = new JSONObject (resultFromSub );
parseDownload (table );
} catch (JSONException e ) {
Log .e (TAG , "JSONException caught onPostExecute" , e );
}
createGroupList ();
createCollection ();
mExpandableListAdapter .updateData (mGroupList , mTeacherCollection );
mExpandableListAdapter .notifyDataSetChanged ();
getActivity ().runOnUiThread (new Runnable () {
@ Override
public void run () {
mExpandableListAdapter .notifyDataSetChanged (); // Notify the adapter that the data changed
Toast .makeText (getActivity (), "Teachers loaded successfully (probably)" , Toast .LENGTH_SHORT ).show ();
}
});
}
private String downloadContent (String urlStr ) throws IOException {
InputStream inputStream = null ;
try {
// Create a URL object with the URL of the spreadsheet as a parameter passed to this method.
URL url = new URL (urlStr );
// Create a new HTTPUrlConnection with the URL.
HttpURLConnection connection = (HttpURLConnection ) url .openConnection ();
// The following two methods' parameters are in milliseconds. The first method defines
// how long we shall try to read the data before timing out. The second is how long we should
// try to actually connect before timing out.
connection .setReadTimeout (10000 );
connection .setConnectTimeout (15000 );
/*
We are going to use an HTTP GET request. GET requests data from a specified resource.
You may have heard of "POST". POST submits data to be processed to a specified resource,
which obviously isn't really what we're wanting to do here.
*/
connection .setRequestMethod ("GET" );
// This sets the value of the doInputField for the URLConnection to what we specify.
// A URL can be used for input or output. We're using it for input.
connection .setDoInput (true );
// Connect! Hooray!
connection .connect ();
// Grab the response code.
int responseCode = connection .getResponseCode ();
// Assign our InputStream object to the connect as an input stream so we can process the data.
inputStream = connection .getInputStream ();
return convertStreamToString (inputStream );
} finally {
if (inputStream != null ) {
inputStream .close ();
}
}
}
private String convertStreamToString (InputStream is ) {
// Convert the input to a String with a buffered reader.
BufferedReader reader = new BufferedReader (new InputStreamReader (is ));
StringBuilder sb = new StringBuilder ();
// Go line-by-line until we've been through the whole thing.
String line = null ;
try {
while ((line = reader .readLine ()) != null ) {
sb .append (line ).append ("\n" );
}
} catch (IOException e ) {
e .printStackTrace ();
} finally {
try {
is .close ();
} catch (IOException e ) {
e .printStackTrace ();
}
}
return sb .toString ();
}
private void parseDownload (JSONObject results ) {
try {
JSONArray rows = results .getJSONArray ("rows" );
for (int i = 0 ; i < rows .length (); i ++) {
JSONObject row = rows .getJSONObject (i );
JSONArray columns = row .getJSONArray ("c" );
/*
Parse the JSONArray. Basically, we have rows and columns. The data in the
spreadsheet is organized by column. At the time that Justin is writing this comment,
the columns are name, courses, email in that
order. Therefore, we can just grab the data we want by going to the column its
stored in, since we know the columns. We are going through each row of the spreadsheet
with the for-loop above. Each iteration of the for-loop goes to the next row, ensuring we
get all of the data stored in the spreadsheet.
*/
String TeacherName = columns .getJSONObject (0 ).getString ("v" );
String email = columns .getJSONObject (2 ).getString ("v" );
String department = columns .getJSONObject (1 ).getString ("v" );
// Parameters for constructor are:
// String title, String text, String author, int iconSource, int imageSource, Date announcementDate
Teacher teach = new Teacher (TeacherName , email , department );
// Log.i(TAG, "Teacher created: " + teach.toString());
// If we want to show this announcement, add it to the data ArrayList.
if (1 == 1 ) {
myData .add (teach );
}
}
} catch (JSONException e ) {
Log .e (TAG , "JSONException caught whilst parsing" , e );
}
}
}
}
