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AswinpAshok/StudentSelectionSheet.java

Created September 25, 2017 10:20
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  1. AswinpAshok created this gist Sep 25, 2017.
    209 changes: 209 additions & 0 deletions StudentSelectionSheet.java
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,209 @@
    package com.sandftechnologies.schoolmanagementStaff.bottomSheet;

    import android.app.Dialog;
    import android.support.design.widget.BottomSheetDialogFragment;
    import android.support.design.widget.CoordinatorLayout;
    import android.support.design.widget.Snackbar;
    import android.support.v7.widget.DefaultItemAnimator;
    import android.support.v7.widget.LinearLayoutManager;
    import android.support.v7.widget.RecyclerView;
    import android.view.View;
    import android.widget.Button;
    import android.widget.CheckBox;
    import android.widget.CompoundButton;
    import android.widget.TextView;
    import android.widget.ViewSwitcher;

    import com.sandftechnologies.schoolmanagementStaff.DataCache;
    import com.sandftechnologies.schoolmanagementStaff.GsonModels.Response;
    import com.sandftechnologies.schoolmanagementStaff.GsonModels.StudentModel;
    import com.sandftechnologies.schoolmanagementStaff.GsonModels.studentID;
    import com.sandftechnologies.schoolmanagementStaff.Internet.GlobalVariables;
    import com.sandftechnologies.schoolmanagementStaff.Internet.NetworkCall;
    import com.sandftechnologies.schoolmanagementStaff.Internet.ServerResponseListner;
    import com.sandftechnologies.schoolmanagementStaff.R;
    import com.sandftechnologies.schoolmanagementStaff.RecyclerViewComponents.StudentSelectionRecyclerAdapter;

    import org.json.JSONException;
    import org.json.JSONObject;

    import java.util.ArrayList;
    import java.util.List;

    /**
    * Created by PC4 on 8/31/2017.
    */

    public class StudentSelectionSheet extends BottomSheetDialogFragment implements ServerResponseListner,GlobalVariables,SelectedStudentChangedListener {

    private List<StudentModel> studentList;
    private List<String> selectedStudents;
    private RecyclerView studentSelectionRecycler;
    private TextView selectionCount;
    private CheckBox selectAll;
    private Button done;
    private ViewSwitcher switcher;
    private DataCache mDataCache;
    private CoordinatorLayout baseLayout;
    private String ClassID,SubjectID;
    private Snackbar loadingStudents_snackbar;
    private StudentSelectionRecyclerAdapter adapter;
    private SelectionCompletedListener selectionDonelistener;

    public void setIDs(String classID, String subjectID) {
    this.ClassID = classID;
    this.SubjectID = subjectID;
    }

    public void setClassID(String classID) {
    this.ClassID = classID;
    }

    public void setSelectionCompletedListener(SelectionCompletedListener listener){
    this.selectionDonelistener=listener;
    }

    @Override
    public void setupDialog(Dialog dialog, int style) {
    super.setupDialog(dialog, style);

    View contentView = View.inflate(getContext(), R.layout.student_selection, null);
    dialog.setContentView(contentView);

    mDataCache=DataCache.getInstance();
    selectedStudents=new ArrayList<>();

    switcher= (ViewSwitcher) contentView.findViewById(R.id.switcher);
    baseLayout= (CoordinatorLayout) dialog.findViewById(R.id.baseLayout);
    studentSelectionRecycler= (RecyclerView) contentView.findViewById(R.id.studentSelectionRecycler);
    done= (Button) contentView.findViewById(R.id.done_button);
    selectAll= (CheckBox) contentView.findViewById(R.id.checkboxSelectAll);
    selectionCount= (TextView) contentView.findViewById(R.id.selectedStudentsCount);

    switcher.setDisplayedChild(0);
    loadingStudents_snackbar=Snackbar.make(baseLayout,"Loading students",Snackbar.LENGTH_INDEFINITE);
    loadingStudents_snackbar.show();

    if(mDataCache.getStudentMap().get(ClassID)!=null) {
    studentList=mDataCache.getStudentMap().get(ClassID);
    NetworkCall networkCall = new NetworkCall(TYPE_GET_STUDENTS_OF_SUBJECT);
    networkCall.setListener(StudentSelectionSheet.this);
    networkCall.execute(createSubjectID_JSON(), GET_SUBJECT_DETAILS_URL);
    }else {
    NetworkCall networkCall = new NetworkCall(TYPE_GET_STUDENT_LIST);
    networkCall.setListener(StudentSelectionSheet.this);
    networkCall.execute(createClassID_JSON(), STUDENT_LIST_URL);
    }

    done.setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View v) {
    selectedStudents=adapter.getSelectedIDs();
    getDialog().dismiss();
    selectionDonelistener.onSelectoinCompleted(selectedStudents);
    }
    });

    selectAll.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
    @Override
    public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
    if(selectAll.isChecked()){
    adapter.allStudentsSelected();
    }else {
    if(adapter.getSelectedStudentsCount()==studentList.size()) {
    adapter.allStudentsUnselected();
    }
    }
    }
    });
    }

    private String createClassID_JSON() {
    String result="";
    try {
    JSONObject object=new JSONObject();
    object.put("id",ClassID);
    result=object.toString();
    }catch (JSONException e){
    e.printStackTrace();
    }
    return result;
    }

    private String createSubjectID_JSON() {
    String result="";
    try {
    JSONObject object=new JSONObject();
    object.put("id",SubjectID);
    result=object.toString();
    }catch (JSONException e){
    e.printStackTrace();
    }
    return result;
    }

    @Override
    public void onResponse(String type, Response response) throws Exception {

    if(type.equals(TYPE_GET_STUDENTS_OF_SUBJECT)){
    loadingStudents_snackbar.dismiss();
    switcher.setDisplayedChild(1);

    RecyclerView.ItemAnimator itemAnimator=new DefaultItemAnimator();
    RecyclerView.LayoutManager layoutManager=new LinearLayoutManager(getActivity());

    List<studentID> studentIdList=response.getStudentListForSubjectResopnse();
    if(studentIdList.size()==1){
    if(studentIdList.get(0).getStudent_Id().equals("undefined")){
    //No students opted for this subject
    studentSelectionRecycler.setLayoutManager( layoutManager );
    studentSelectionRecycler.setItemAnimator( itemAnimator );
    adapter=new StudentSelectionRecyclerAdapter(studentList);
    adapter.setClassID(ClassID);
    adapter.setSelectedStudentCountChangedListener(StudentSelectionSheet.this);
    adapter.setSelectedStudents(new ArrayList<String>());
    studentSelectionRecycler.setHasFixedSize(true);
    studentSelectionRecycler.setAdapter(adapter);

    }
    }else {
    for (int i=0;i<studentIdList.size();i++){
    selectedStudents.add(studentIdList.get(i).getStudent_Id());
    }
    studentSelectionRecycler.setLayoutManager( layoutManager );
    studentSelectionRecycler.setItemAnimator( itemAnimator );
    adapter=new StudentSelectionRecyclerAdapter(studentList);
    adapter.setClassID(ClassID);
    adapter.setSelectedStudentCountChangedListener(StudentSelectionSheet.this);
    adapter.setSelectedStudents(selectedStudents);
    studentSelectionRecycler.setHasFixedSize(true);
    studentSelectionRecycler.setAdapter(adapter);

    }
    }else
    if(type.equals(TYPE_GET_STUDENT_LIST)){
    studentList = response.getStudentList();
    mDataCache.addToStudentMap(ClassID,studentList);
    NetworkCall networkCall = new NetworkCall(TYPE_GET_STUDENTS_OF_SUBJECT);
    networkCall.setListener(StudentSelectionSheet.this);
    networkCall.execute(createSubjectID_JSON(), GET_SUBJECT_DETAILS_URL);
    }
    }

    @Override
    public void onNetworkException(Exception e) {
    loadingStudents_snackbar.dismiss();
    Snackbar snackbar=Snackbar.make(baseLayout,"No internet",Snackbar.LENGTH_SHORT);
    snackbar.show();
    }

    @Override
    public void onSelectionCountChanged(int count) {
    selectionCount.setText(String.valueOf(count));
    if(count==studentList.size()){
    selectAll.setChecked(true);
    }else {
    selectAll.setChecked(false);
    }
    }
    }