get Comments and react on swipeRefresh

BIDL/BIDL/app/src/main/java/classes/MyList.java

@@ -6,5 +6,5 @@ import java.io.Serializable;
  * Superklasse für alle Listen Objekte
  * Created by Christof on 01.09.2016.
  */
-public class MyList implements Serializable {
+public abstract class MyList implements Serializable {
 }

BIDL/BIDL/app/src/main/java/classes/apps/Forum/Forum.java

@@ -18,15 +18,15 @@ public class Forum extends RushObject implements Serializable {
     @JsonField(name = "id")
     private int forumId;
 
-    @RushList(classType = Forum.Comment.class)
+    @RushList(classType = Comment.class)
     @JsonField(name = "comments")
-    private ArrayList<Forum.Comment>comments;
+    private ArrayList<Comment> comments;
 
     public Forum(){
 
     }
 
-    public Forum(int id, ArrayList<Forum.Comment> comments) {
+    public Forum(int id, ArrayList<Comment> comments) {
         this.forumId = id;
         this.comments = comments;
     }
@@ -39,11 +39,11 @@ public class Forum extends RushObject implements Serializable {
         this.forumId = forumId;
     }
 
-    public ArrayList<Forum.Comment> getComments() {
+    public ArrayList<Comment> getComments() {
         return comments;
     }
 
-    public void setComments(ArrayList<Forum.Comment> comments) {
+    public void setComments(ArrayList<Comment> comments) {
         this.comments = comments;
     }
 

BIDL/BIDL/app/src/main/java/de/uni_oldenburg/bidl/home_view/MainActivity.java

@@ -4,6 +4,7 @@ import android.app.ProgressDialog;
 import android.bluetooth.BluetoothAdapter;
 import android.content.Intent;
 import android.os.Bundle;
+import android.util.Log;
 import android.view.View;
 
 import android.widget.AdapterView;
@@ -178,6 +179,7 @@ public class MainActivity extends BaseActivity {
                         @Override
                         public void run() {
                             setTitle(event.getName());
+                            Log.d(TAG, event.getName());
                             map = event.getApps();
                             Collection<String> appnames =  map.values();
                             updateData(appnames);

BIDL/BIDL/app/src/main/java/de/uni_oldenburg/bidl/listfragment/CommentListAdapter.java

 package de.uni_oldenburg.bidl.listfragment;
 
+import android.content.Context;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import classes.MyList;
+import classes.apps.forum.Comment;
+import classes.apps.forum.CommentList;
+import de.uni_oldenburg.bidl.R;
+
 /**
  * Created by Christof on 01.09.2016.
  */
-public class CommentListAdapter {
+public class CommentListAdapter extends ListAdapter {
+    private Context context;
+    private TextView username;
+    private TextView commentText;
+    private TextView time;
+
+    private CommentList commentList;
+
+    /**
+     *  @param context Context der Activity
+     * @param commentList Liste die Dargestellt werden soll
+     *
+     * */
+    public CommentListAdapter(Context context, CommentList commentList) {
+        this.context = context;
+        this.commentList = commentList;
+    }
+
+    @Override
+    void setList(MyList list) {
+        this.commentList = (CommentList) list;
+    }
+
+    @Override
+    public int getCount() {
+        return this.commentList.getCommentList().size();
+    }
+
+    @Override
+    public Object getItem(int position) {
+        return this.commentList.getCommentList().get(position);
+    }
+
+    @Override
+    public long getItemId(int position) {
+        return 0;
+    }
+
+    @Override
+    public View getView(int position, View view, ViewGroup parent) {
+        //current comment
+        Comment comment = this.commentList.getCommentList().get(position);
+
+        LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+        View item = inflater.inflate(R.layout.comment_item, parent, false);
+
+        this.username = (TextView) item.findViewById(R.id.commentUsername);
+        this.username.setText(comment.getUsername());
+        this.commentText = (TextView) item.findViewById(R.id.commentText);
+        this.commentText.setText(comment.getText());
+        this.time = (TextView) item.findViewById(R.id.commentTime);
+        this.time.setText(comment.getTimestamp());
+        return item;
+    }
 }

BIDL/BIDL/app/src/main/java/de/uni_oldenburg/bidl/listfragment/ListCommunicator.java

+package de.uni_oldenburg.bidl.listfragment;
+
+import android.widget.ListView;
+
+/**
+ * Kommunikator Interface, damit Listen-Events gefeuert werden können
+ * Created by Christof on 01.09.2016.
+ */
+public interface ListCommunicator {
+    /**
+     * Wird gerufen, wenn Fragment aktualisiert wird
+     */
+    void updateFragList();
+
+    /**
+     * Wird gerufen, wenn aus einer Liste ein Item "herausgeswipet" wird
+     * @param listView ListView, in denen die Items sind
+     * @param reverseSortedPositions Positionen der Items, die herausgeswipt worden sind
+     */
+    void onSwipeDismiss(ListView listView, int[] reverseSortedPositions);
+}

BIDL/BIDL/app/src/main/java/de/uni_oldenburg/bidl/listfragment/SuperListFragment.java

+package de.uni_oldenburg.bidl.listfragment;
+
+import android.app.Activity;
+import android.content.Context;
+import android.support.v4.app.ListFragment;
+import android.os.Bundle;
+import android.support.v4.widget.SwipeRefreshLayout;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import classes.MyList;
+import classes.apps.forum.CommentList;
+import de.uni_oldenburg.bidl.R;
+
+/**
+ * Created by Christof on 01.09.2016.
+ */
+public class SuperListFragment extends ListFragment implements SwipeRefreshLayout.OnRefreshListener {
+
+    /* TAG Kostante für das Logging */
+    private static final String TAG = SuperListFragment.class.getSimpleName();
+
+    //Verchiedene Typen von ListFragmenten
+    public static final String TYPE_COMMENTLIST = "commentlist";
+
+    //Optionen
+    private String type;
+    private boolean withSwipe;
+    private boolean isRefreshable;
+    private SwipeRefreshLayout swipeRefreshLayout;
+
+    private MyList list;
+    private ListCommunicator communicator;
+
+    public SuperListFragment() {
+    }
+
+    public static SuperListFragment newInstance(String type, MyList list, boolean withSwipe, boolean isRefreshable) {
+        SuperListFragment fragment = new SuperListFragment();
+
+        Bundle args = new Bundle();
+        args.putString("listType", type);
+        args.putSerializable("list",list);
+        args.putBoolean("withSwipe", withSwipe);
+        args.putBoolean("isRefreshable", isRefreshable);
+        fragment.setArguments(args);
+
+        return fragment;
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        if (getArguments() != null){
+            this.type = getArguments().getString("listType");
+            this.list = (MyList) getArguments().getSerializable("list");
+            this.withSwipe = getArguments().getBoolean("withSwipe", false);
+            this.isRefreshable = getArguments().getBoolean("isRefreshable", false);
+        }
+        super.onCreate(savedInstanceState);
+    }
+
+    @Override
+    public void onViewCreated(View view, Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
+        if (withSwipe){
+            //ToDo: das Löschen von Daten durch swipen realisieren.
+        }
+        swipeRefreshLayout = (SwipeRefreshLayout) view.findViewById(R.id.swipelayout);
+        if (isRefreshable){
+           swipeRefreshLayout.setOnRefreshListener(this);
+        }else {
+            swipeRefreshLayout.setEnabled(false);
+        }
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        View view = inflater.inflate(R.layout.fragment_bidl_list, container, false);
+        return view;
+    }
+
+    @Override
+    public void onActivityCreated(Bundle savedInstanceState) {
+        if (savedInstanceState != null){
+            this.type = savedInstanceState.getString("listType");
+            this.list = (MyList) savedInstanceState.getSerializable("list");
+
+            if (getActivity() instanceof ListCommunicator)
+                this.communicator = (ListCommunicator) getActivity();
+        }
+        setList();
+        super.onActivityCreated(savedInstanceState);
+    }
+
+    @Override
+    public void onAttach(Activity activity) {
+        super.onAttach(activity);
+
+        if (activity instanceof ListCommunicator)
+            this.communicator = (ListCommunicator) activity;
+    }
+
+    @Override
+    public void onDetach() {
+        super.onDetach();
+        this.communicator = null;
+    }
+
+    @Override
+    public void onRefresh() {
+        communicator.updateFragList();
+    }
+
+    /**
+     * Zeigt Refresh Animation an oder beendet sie
+     * @param show true: wird angezeigt; false: wird nicht angezeigt
+     */
+    public void showRefreshAnimation(final boolean show){
+        swipeRefreshLayout.post(new Runnable() {
+            @Override
+            public void run() {
+                swipeRefreshLayout.setRefreshing(show);
+            }
+        });
+        //swipeRefreshLayout.setRefreshing(show);
+    }
+
+    /**
+     * setzt den richtigen Adapter
+     */
+    private void setList() {
+        if (this.list != null){
+            switch (this.type){
+                case TYPE_COMMENTLIST:
+                    setListAdapter(new CommentListAdapter(getActivity(), (CommentList) list));
+                    break;
+            }
+        }
+    }
+
+    public void update(final MyList newList){
+        this.list = newList;
+        if(this.getListAdapter() != null){
+            final ListAdapter adapter = (ListAdapter) this.getListAdapter();
+            if (getActivity() != null){
+                getActivity().runOnUiThread(new Runnable() {
+                    @Override
+                    public void run() {
+                        Log.i(TAG, "Update request received, setting new list and notifying the adapter");
+                        adapter.setList(newList);
+                        adapter.notifyDataSetChanged();
+                    }
+                });
+            } else {
+                if (getActivity() != null){
+                    getActivity().runOnUiThread(new Runnable() {
+                        @Override
+                        public void run() {
+                            setList();
+                        }
+                    });
+                }
+            }
+
+        }
+    }
+
+
+}

BIDL/BIDL/app/src/main/java/de/uni_oldenburg/bidl/member_view/ForumActivity.java

@@ -2,31 +2,54 @@ package de.uni_oldenburg.bidl.member_view;
 
 import android.support.v7.app.AppCompatActivity;
 import android.os.Bundle;
+import android.util.Log;
+import android.view.MotionEvent;
+import android.view.View;
+import android.widget.FrameLayout;
+import android.widget.ListView;
+import android.widget.Toast;
+
+import java.util.ArrayList;
+import java.util.List;
 
 import classes.Event;
+import classes.apps.forum.Comment;
+import classes.apps.forum.CommentList;
 import classes.apps.forum.Forum;
 import de.uni_oldenburg.bidl.R;
+import de.uni_oldenburg.bidl.listfragment.CommentListAdapter;
+import de.uni_oldenburg.bidl.listfragment.ListCommunicator;
+import de.uni_oldenburg.bidl.listfragment.SuperListFragment;
 import services.db.DBHelper;
 import services.servercommunication.NetworkService;
 
 
-public class ForumActivity extends AppCompatActivity  {
+public class ForumActivity extends AppCompatActivity implements ListCommunicator, View.OnTouchListener {
     /** Tag for Logging **/
     private static final String TAG = ForumActivity.class.getSimpleName();
 
     private Forum forum;
+    private Event event;
+    private CommentList comments;
+
+
 
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_forum);
+
         setTitle(getIntent().getStringExtra("appName"));
-        Event event = DBHelper.getEvent();
+        event = DBHelper.getEvent();
         getForumObjectFromServer(event.getEventId());
+
+
     }
 
 
+
+
     private void getForumObjectFromServer(int eventId) {
         NetworkService.forum(eventId, new NetworkService.RequestForumHandler() {
             @Override
@@ -36,7 +59,7 @@ public class ForumActivity extends AppCompatActivity  {
                     ForumActivity.this.runOnUiThread(new Runnable() {
                         @Override
                         public void run() {
-                            initGui();
+                            addCommentFragment();
                         }
                     });
                 }
@@ -45,10 +68,14 @@ public class ForumActivity extends AppCompatActivity  {
         });
     }
 
-    public void initGui() {
+    public void addCommentFragment() {
        try {
            if (forum.getComments() != null){
+               FrameLayout commentContainer = (FrameLayout) findViewById(R.id.commentContainer);
+               commentContainer.removeAllViews();
 
+               SuperListFragment commentFragment = SuperListFragment.newInstance(SuperListFragment.TYPE_COMMENTLIST, new CommentList(forum.getComments()), false, true);
+               getSupportFragmentManager().beginTransaction().add(R.id.commentContainer, commentFragment).commit();
            }
        }catch (NullPointerException e){
            e.printStackTrace();
@@ -59,4 +86,45 @@ public class ForumActivity extends AppCompatActivity  {
     public void setForum(Forum forum) {
         this.forum = forum;
     }
+
+    @Override
+    public void updateFragList() {
+        final SuperListFragment superListFragment = (SuperListFragment) getSupportFragmentManager().findFragmentById(R.id.commentContainer);
+        NetworkService.forum(event.getEventId(), new NetworkService.RequestForumHandler() {
+            @Override
+            public void done(Forum forum) {
+                if (forum.getComments() != null){
+                    comments = new CommentList(forum.getComments());
+                    setCommentList(comments);
+                    Log.d(TAG, "REFRESHING: "+comments.toString());
+                    superListFragment.update(comments);
+                    superListFragment.showRefreshAnimation(false);
+                }
+            }
+        });
+    }
+
+    private void setCommentList(CommentList comments) {
+        this.comments = comments;
+    }
+
+    @Override
+    public void onSwipeDismiss(ListView listView, int[] reverseSortedPositions) {
+
+    }
+
+
+    @Override
+    public boolean onTouch(View view, MotionEvent motionEvent) {
+        float x = motionEvent.getX();
+        float y = motionEvent.getY();
+        int eventaction = motionEvent.getAction();
+
+        switch (eventaction){
+            case MotionEvent.ACTION_DOWN:
+               // updateFragList();
+
+        }
+        return true;
+    }
 }

BIDL/BIDL/app/src/main/res/layout/activity_forum.xml

@@ -9,4 +9,9 @@
     android:paddingTop="@dimen/activity_vertical_margin"
     tools:context="de.uni_oldenburg.bidl.member_view.ForumActivity">
 
+    <FrameLayout
+        android:layout_width="fill_parent"
+        android:layout_height="fill_parent"
+        android:id="@+id/commentContainer"></FrameLayout>
+
 </RelativeLayout>

BIDL/BIDL/app/src/main/res/layout/comment_item.xml

@@ -7,24 +7,28 @@
     <ScrollView
         android:layout_width="match_parent"
         android:layout_height="match_parent">
-
+    <LinearLayout
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal">
     <TextView
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:id="@+id/username"
+        android:id="@+id/commentUsername"
         android:layout_margin="10dp"/>
 
     <TextView
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:id="@+id/message"
+        android:id="@+id/commentText"
         android:layout_margin="10dp"/>
 
     <TextView
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:id="@+id/time"
+        android:id="@+id/commentTime"
         android:layout_margin="10dp"/>
+    </LinearLayout>
     </ScrollView>
 
 </LinearLayout>
\ No newline at end of file

BIDL/BIDL/app/src/main/res/layout/fragment_bidl_list.xml

+<?xml version="1.0" encoding="utf-8"?>
+<android.support.v4.widget.SwipeRefreshLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/swipelayout"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <ListView
+        android:id="@android:id/list"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+        </ListView>
+
+
+
+</android.support.v4.widget.SwipeRefreshLayout>
\ No newline at end of file