Swipe İşlemine başlandı

app/src/main/java/com/yunuscagliyan/memorybook/adapter/Divider.java

@@ -0,0 +1,51 @@
+package com.yunuscagliyan.memorybook.adapter;
+
+import android.content.Context;
+import android.graphics.Canvas;
+import android.graphics.drawable.Drawable;
+import android.support.annotation.NonNull;
+import android.support.design.widget.CoordinatorLayout;
+import android.support.v7.widget.LinearLayoutManager;
+import android.support.v7.widget.RecyclerView;
+import android.view.View;
+
+import com.yunuscagliyan.memorybook.R;
+
+public class Divider extends RecyclerView.ItemDecoration {
+    private Drawable mDivider;
+    private int mOrientation;
+    public Divider(Context context,int orientation) {
+        mDivider =context.getDrawable(R.drawable.divider);
+        //mDivider= ContextCompat.getDrawable(context,R.drawable.divider);
+        if(orientation!=LinearLayoutManager.VERTICAL){
+           throw new IllegalArgumentException("this argument don't belong here");
+        }
+        mOrientation= orientation;
+
+
+    }
+
+    @Override
+    public void onDraw(@NonNull Canvas c, @NonNull RecyclerView parent, @NonNull RecyclerView.State state) {
+        if(mOrientation==LinearLayoutManager.VERTICAL){
+            drawHorizontalDivider(c,parent,state);
+        }
+    }
+
+    private void drawHorizontalDivider(Canvas c, RecyclerView parent, RecyclerView.State state) {
+        int left,up,right,down;
+        left=parent.getPaddingLeft();
+        right=parent.getWidth()-parent.getPaddingRight();
+        int elementCount=parent.getChildCount();
+        for (int i=0;i<elementCount;i++){
+            View currentView=parent.getChildAt(i);
+            CoordinatorLayout.LayoutParams params= (CoordinatorLayout.LayoutParams) parent.getLayoutParams();
+            up=currentView.getTop()-params.topMargin;
+            down=up+mDivider.getIntrinsicHeight();
+            mDivider.setBounds(left,up,right,down);
+            mDivider.draw(c);
+
+        }
+
+    }
+}

app/src/main/java/com/yunuscagliyan/memorybook/adapter/NoteListAdapter.java

@@ -0,0 +1,113 @@
+package com.yunuscagliyan.memorybook.adapter;
+
+import android.content.Context;
+import android.support.annotation.NonNull;
+import android.support.v7.widget.RecyclerView;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Button;
+import android.widget.TextView;
+
+import com.yunuscagliyan.memorybook.R;
+import com.yunuscagliyan.memorybook.data.Notes;
+import com.yunuscagliyan.memorybook.listeners.AddListener;
+
+import java.util.List;
+
+
+public class NoteListAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
+    private static final int ITEM = 0;
+    public static final int FOOTER=1;
+    private Context mContext;
+    private List<Notes> mAllNotes;
+    AddListener mAddListener;
+
+
+    public NoteListAdapter(Context context, List<Notes> allNotes) {
+        this.mContext=context;
+        this.mAllNotes=allNotes;
+        mAddListener= (AddListener) mContext;
+
+    }
+
+    @NonNull
+    @Override
+    public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
+
+        if(i==ITEM){
+            View view= LayoutInflater.from(mContext).inflate(R.layout.one_row_note,viewGroup,false);
+            RecyclerView.ViewHolder noteViewHolder=new NoteViewHolder(view);
+            return noteViewHolder;
+        }if (i==FOOTER){
+            View view=LayoutInflater.from(mContext).inflate(R.layout.footer,viewGroup,false);
+            RecyclerView.ViewHolder  footerViewHolder=new FooterViewHolder(view);
+            return footerViewHolder;
+
+        }
+        return null;
+
+
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, int i) {
+        if(holder instanceof NoteViewHolder && i!=1){
+            Notes temporaryNotes=mAllNotes.get(i);
+            NoteViewHolder noteViewHolder= (NoteViewHolder) holder;
+            noteViewHolder.noteContent.setText(temporaryNotes.getNoteContent());
+            noteViewHolder.noteDate.setText(temporaryNotes.getNoteDate());
+        }
+
+
+
+    }
+
+    @Override
+    public int getItemCount() {
+        return mAllNotes.size()+1;
+    }
+
+    @Override
+    public int getItemViewType(int position) {
+        if(mAllNotes== null|| mAllNotes.size()==0){
+            return ITEM;
+
+        }else if(position<mAllNotes.size()){
+            return ITEM;
+
+        }else {
+            return FOOTER;
+
+        }
+
+    }
+
+    class NoteViewHolder extends RecyclerView.ViewHolder{
+        TextView noteContent;
+        TextView noteDate;
+
+        public NoteViewHolder(@NonNull View itemView) {
+            super(itemView);
+            noteContent=itemView.findViewById(R.id.tvNoteContent);
+            noteDate=itemView.findViewById(R.id.tvNoteDate);
+
+        }
+    }
+    class FooterViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener{
+        Button btn_footer;
+
+        public FooterViewHolder(@NonNull View itemView) {
+            super(itemView);
+            btn_footer=itemView.findViewById(R.id.btn_footer);
+            btn_footer.setOnClickListener(this);
+
+
+        }
+
+        @Override
+        public void onClick(View v) {
+            mAddListener.showAddDialog();
+        }
+    }
+}

app/src/main/java/com/yunuscagliyan/memorybook/adapter/NotesRecyclerView.java

@@ -0,0 +1,113 @@
+package com.yunuscagliyan.memorybook.adapter;
+
+import android.content.Context;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+import android.support.v7.widget.RecyclerView;
+import android.support.v7.widget.Toolbar;
+import android.util.AttributeSet;
+import android.view.View;
+
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+public class NotesRecyclerView extends RecyclerView {
+    List<View> isEmptyInvisible= Collections.EMPTY_LIST;
+    List<View> isEmptyVisible= Collections.EMPTY_LIST;
+    private AdapterDataObserver mObserver=new AdapterDataObserver() {
+        @Override
+        public void onChanged() {
+            showOrHideView();
+
+        }
+
+        @Override
+        public void onItemRangeChanged(int positionStart, int itemCount) {
+            showOrHideView();
+
+        }
+
+        @Override
+        public void onItemRangeChanged(int positionStart, int itemCount, @Nullable Object payload) {
+            showOrHideView();
+
+        }
+
+        @Override
+        public void onItemRangeInserted(int positionStart, int itemCount) {
+            showOrHideView();
+
+        }
+
+        @Override
+        public void onItemRangeRemoved(int positionStart, int itemCount) {
+            showOrHideView();
+
+        }
+
+        @Override
+        public void onItemRangeMoved(int fromPosition, int toPosition, int itemCount) {
+            showOrHideView();
+
+        }
+    };
+    public void showOrHideView(){
+        if(getAdapter()!=null && !isEmptyVisible.isEmpty() &&!isEmptyInvisible.isEmpty()){
+            //no element state
+            if(getAdapter().getItemCount()==1){
+
+                for(View view:isEmptyInvisible){
+                    view.setVisibility(View.GONE);
+                }
+                for(View view:isEmptyVisible){
+                    view.setVisibility(View.VISIBLE);
+                }
+                setVisibility(View.GONE);
+            }else if (getAdapter().getItemCount()>1){
+                setVisibility(View.VISIBLE);
+                for(View view:isEmptyInvisible){
+                    view.setVisibility(View.VISIBLE);
+                }
+                for(View view:isEmptyVisible){
+                    view.setVisibility(View.GONE);
+                }
+
+            }
+
+        }
+    }
+
+    @Override
+    public void setAdapter(@Nullable Adapter adapter) {
+        super.setAdapter(adapter);
+        if(adapter!=null){
+            adapter.registerAdapterDataObserver(mObserver);
+        }
+        mObserver.onChanged();
+    }
+
+    public NotesRecyclerView(@NonNull Context context) {
+        super(context);
+    }
+
+    public NotesRecyclerView(@NonNull Context context, @Nullable AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    public NotesRecyclerView(@NonNull Context context, @Nullable AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+    }
+
+    public void isEmptyListInvisible(View... invisibleView) {
+        isEmptyInvisible=Arrays.asList(invisibleView);
+        mObserver.onChanged();
+
+    }
+
+    public void isEmptyListVisible(View visibleView) {
+        isEmptyVisible=Arrays.asList(visibleView);
+        mObserver.onChanged();
+
+    }
+}