//Add drag & drop to SetListFragment

.idea/.name

@@ -1 +1 @@
-BackPack
+packwithme

.idea/gradle.xml

@@ -5,18 +5,13 @@
       <GradleProjectSettings>
         <option name="distributionType" value="DEFAULT_WRAPPED" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
+        <option name="gradleJvm" value="1.8" />
         <option name="modules">
           <set>
             <option value="$PROJECT_DIR$" />
             <option value="$PROJECT_DIR$/app" />
           </set>
         </option>
-        <option name="myModules">
-          <set>
-            <option value="$PROJECT_DIR$" />
-            <option value="$PROJECT_DIR$/app" />
-          </set>
-        </option>
       </GradleProjectSettings>
     </option>
   </component>

.idea/misc.xml

@@ -37,37 +37,10 @@
     <ConfirmationsSetting value="0" id="Add" />
     <ConfirmationsSetting value="0" id="Remove" />
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" default="true" assert-keyword="true" jdk-15="true" project-jdk-name="1.7" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" default="true" assert-keyword="true" jdk-15="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">
     <option name="id" value="Android" />
   </component>
-  <component name="masterDetails">
-    <states>
-      <state key="ProjectJDKs.UI">
-        <settings>
-          <last-edited>1.8</last-edited>
-          <splitter-proportions>
-            <option name="proportions">
-              <list>
-                <option value="0.2" />
-              </list>
-            </option>
-          </splitter-proportions>
-        </settings>
-      </state>
-      <state key="ScopeChooserConfigurable.UI">
-        <settings>
-          <splitter-proportions>
-            <option name="proportions">
-              <list>
-                <option value="0.2" />
-              </list>
-            </option>
-          </splitter-proportions>
-        </settings>
-      </state>
-    </states>
-  </component>
 </project>

.idea/modules.xml

@@ -2,8 +2,8 @@
 <project version="4">
   <component name="ProjectModuleManager">
     <modules>
-      <module fileurl="file://$PROJECT_DIR$/BackPack2.iml" filepath="$PROJECT_DIR$/BackPack2.iml" />
       <module fileurl="file://$PROJECT_DIR$/app/app.iml" filepath="$PROJECT_DIR$/app/app.iml" />
+      <module fileurl="file://$PROJECT_DIR$/packwithme.iml" filepath="$PROJECT_DIR$/packwithme.iml" />
     </modules>
   </component>
 </project>

.idea/vcs.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="VcsDirectoryMappings">
-    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+    <mapping directory="" vcs="" />
   </component>
 </project>

app/src/main/java/hikapro/com/backpack/MainActivity.java

@@ -15,6 +15,7 @@ import hikapro.com.backpack.model.entities.Set;
 import hikapro.com.backpack.presenter.ItemDetailPresenter;
 import hikapro.com.backpack.presenter.ItemListPresenter;
 import hikapro.com.backpack.presenter.SetListPresenter;
+import hikapro.com.backpack.presenter.adapters.helper.OnStartDragListener;
 import hikapro.com.backpack.view.View;
 import hikapro.com.backpack.view.fragments.ItemDetailFragment;
 import hikapro.com.backpack.view.fragments.ItemListFragment;

app/src/main/java/hikapro/com/backpack/model/Model.java

@@ -25,6 +25,9 @@ public interface Model {
         void notifyDataSetChanged();
         void setPresenter(Presenter.SetList presenter);
         Presenter.SetList getPresenter();
+
+        //GLM
+        List<hikapro.com.backpack.model.entities.Set> getSet();
     }
 
     interface Item extends Base {

app/src/main/java/hikapro/com/backpack/model/SetModel.java

@@ -114,9 +114,11 @@ public class SetModel implements Model.Set {
     // other <--
 
 
+    //GLM
 
-
+    @Override
-
+    public List<hikapro.com.backpack.model.entities.Set> getSet()
-
+    {
-
+        return iList;
+    }
 }

app/src/main/java/hikapro/com/backpack/presenter/Presenter.java

@@ -2,7 +2,10 @@ package hikapro.com.backpack.presenter;
 
 import android.content.Context;
 import android.os.Bundle;
+import android.support.v7.widget.RecyclerView;
+import android.view.DragEvent;
 import android.view.LayoutInflater;
+import android.view.View;
 import android.view.ViewGroup;
 
 import hikapro.com.backpack.model.Model;
@@ -34,6 +37,11 @@ public interface Presenter {
         void setModel(Model.Set model);
         void notifyDataSetChanged();
         void showMessage(String message);
+
+        //GLM_add_resources_SetList
+        void onItemDismiss(int position);
+        boolean onItemMove(int fromPosition, int toPosition);
+        void onStartDrag(RecyclerView.ViewHolder viewHolder);
     }
 
     interface ItemList extends Base {

app/src/main/java/hikapro/com/backpack/presenter/SetListPresenter.java

@@ -2,21 +2,29 @@ package hikapro.com.backpack.presenter;
 
 import android.content.Context;
 import android.os.Bundle;
+import android.support.v4.view.MotionEventCompat;
 import android.support.v7.widget.DefaultItemAnimator;
 import android.support.v7.widget.LinearLayoutManager;
 import android.support.v7.widget.RecyclerView;
+import android.support.v7.widget.helper.ItemTouchHelper;
+import android.view.DragEvent;
 import android.view.LayoutInflater;
+import android.view.MotionEvent;
 import android.view.ViewGroup;
 import android.widget.Toast;
 
 import java.lang.ref.WeakReference;
+import java.util.Collections;
 
 import hikapro.com.backpack.R;
 import hikapro.com.backpack.model.SetModel;
 import hikapro.com.backpack.model.Model;
 import hikapro.com.backpack.model.entities.Set;
 import hikapro.com.backpack.presenter.adapters.SetListAdapter;
+import hikapro.com.backpack.presenter.adapters.helper.OnStartDragListener;
+import hikapro.com.backpack.presenter.adapters.helper.SimpleItemTouchHelperCallback;
 import hikapro.com.backpack.view.View;
+import hikapro.com.backpack.view.fragments.SetListFragment;
 import hikapro.com.backpack.view.recycler.SetViewHolder;
 
 /**
@@ -28,12 +36,33 @@ public class SetListPresenter implements Presenter.SetList {
     private Model.Set                   model;
     private SetListAdapter              adapter;
 
+
+    //GLM_add_resources_SetList
+    private OnStartDragListener mDragStartListener;
+    private ItemTouchHelper mItemTouchHelper;
+
     public SetListPresenter() {
         this.adapter    = new SetListAdapter(this);
     }
 
     // life cycle -->
 
+
+    //GLM_add_resources_SetList
+    @Override
+    public void onItemDismiss(int position) {
+        model.getSet().remove(position);
+        adapter.notifyItemRemoved(position);
+    }
+
+    //GLM_add_resources_SetList
+    @Override
+    public boolean onItemMove(int fromPosition, int toPosition) {
+        Collections.swap(model.getSet(), fromPosition, toPosition);
+        adapter.notifyItemMoved(fromPosition, toPosition);
+        return true;
+    }
+
     @Override
     public void onDestroy(boolean isChangingConfiguration) {
         view = null;
@@ -52,6 +81,12 @@ public class SetListPresenter implements Presenter.SetList {
         setRecycler.setAdapter(adapter);
         setRecycler.setItemAnimator(new DefaultItemAnimator());
         model.executeQuery();
+
+        //GLM_add_resources_SetList
+        ItemTouchHelper.Callback callback = new SimpleItemTouchHelperCallback(adapter);
+        mItemTouchHelper = new ItemTouchHelper(callback);
+        mItemTouchHelper.attachToRecyclerView(setRecycler);
+
         return view;
     }
 
@@ -81,6 +116,17 @@ public class SetListPresenter implements Presenter.SetList {
                     showMessage("There is no view in presenter");
             }
         });
+
+
+        //GLM_add_resources_SetList
+        holder.cardView.setOnLongClickListener(new android.view.View.OnLongClickListener() {
+            @Override
+            public boolean onLongClick(android.view.View v) {
+
+                mDragStartListener.onStartDrag(holder);
+                return false;
+            }
+        });
     }
     @Override
     public int getSetsCount() {
@@ -128,6 +174,7 @@ public class SetListPresenter implements Presenter.SetList {
     @Override
     public void setView(View.SetList view) {
         this.view = new WeakReference<>(view);
+        this.mDragStartListener = getView().getOnStartDragListener();
     }
     @Override
     public void setModel(Model.Set model) {
@@ -147,5 +194,9 @@ public class SetListPresenter implements Presenter.SetList {
             throw new NullPointerException("View is unavailable");
     }
 
-
+    //GLM_add_resources_SetList
+    @Override
+    public void onStartDrag(RecyclerView.ViewHolder viewHolder) {
+        mItemTouchHelper.startDrag(viewHolder);
+    }
 }

app/src/main/java/hikapro/com/backpack/presenter/adapters/SetListAdapter.java

@@ -4,12 +4,13 @@ import android.support.v7.widget.RecyclerView;
 import android.view.ViewGroup;
 
 import hikapro.com.backpack.presenter.SetListPresenter;
+import hikapro.com.backpack.presenter.adapters.helper.ItemTouchHelperAdapter;
 import hikapro.com.backpack.view.recycler.SetViewHolder;
 
 /**
  * Created by tariel on 20/04/16.
  */
-public class SetListAdapter extends  RecyclerView.Adapter<SetViewHolder> {
+public class SetListAdapter extends  RecyclerView.Adapter<SetViewHolder> implements ItemTouchHelperAdapter{
 
     private SetListPresenter presenter;
 
@@ -31,4 +32,16 @@ public class SetListAdapter extends  RecyclerView.Adapter<SetViewHolder> {
     public int getItemCount() {
         return presenter.getSetsCount();
     }
+
+    //GLM_add_resources_SetList
+    @Override
+    public void onItemDismiss(int position) {
+        presenter.onItemDismiss(position);
+    }
+
+    //GLM_add_resources_SetList
+    @Override
+    public boolean onItemMove(int fromPosition, int toPosition) {
+        return presenter.onItemMove(fromPosition, toPosition);
+    }
 }

app/src/main/java/hikapro/com/backpack/presenter/adapters/helper/ItemTouchHelperAdapter.java

@@ -0,0 +1,12 @@
+package hikapro.com.backpack.presenter.adapters.helper;
+
+/**
+ * Created by N551 on 25.04.2016.
+ */
+//GLM_add_resources_SetList
+public interface ItemTouchHelperAdapter {
+
+    boolean onItemMove(int fromPosition, int toPosition);
+
+    void onItemDismiss(int position);
+}

app/src/main/java/hikapro/com/backpack/presenter/adapters/helper/ItemTouchHelperViewHolder.java

@@ -0,0 +1,12 @@
+package hikapro.com.backpack.presenter.adapters.helper;
+
+/**
+ * Created by N551 on 25.04.2016.
+ */
+//GLM_add_resources_SetList
+public interface ItemTouchHelperViewHolder {
+
+    void onItemSelected();
+
+    void onItemClear();
+}

app/src/main/java/hikapro/com/backpack/presenter/adapters/helper/OnStartDragListener.java

@@ -0,0 +1,12 @@
+package hikapro.com.backpack.presenter.adapters.helper;
+
+import android.support.v7.widget.RecyclerView;
+
+/**
+ * Created by N551 on 25.04.2016.
+ */
+//GLM_add_resources_SetList
+public interface OnStartDragListener {
+
+    void onStartDrag(RecyclerView.ViewHolder viewHolder);
+}

app/src/main/java/hikapro/com/backpack/presenter/adapters/helper/SimpleItemTouchHelperCallback.java

@@ -0,0 +1,93 @@
+package hikapro.com.backpack.presenter.adapters.helper;
+
+import android.graphics.Canvas;
+import android.support.v7.widget.RecyclerView;
+import android.support.v7.widget.helper.ItemTouchHelper;
+
+/**
+ * Created by N551 on 25.04.2016.
+ */
+//GLM_add_resources_SetList
+public class SimpleItemTouchHelperCallback extends ItemTouchHelper.Callback {
+    public static final float ALPHA_FULL = 1.0f;
+
+    private final ItemTouchHelperAdapter mAdapter;
+
+    public SimpleItemTouchHelperCallback(ItemTouchHelperAdapter adapter) {
+        mAdapter = adapter;
+    }
+
+    @Override
+    public boolean isLongPressDragEnabled() {
+        return true;
+    }
+
+    @Override
+    public boolean isItemViewSwipeEnabled() {
+        return false;
+    }
+
+    @Override
+    public int getMovementFlags(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder) {
+
+        final int dragFlags = ItemTouchHelper.UP | ItemTouchHelper.DOWN;
+        final int swipeFlags = ItemTouchHelper.START | ItemTouchHelper.END;
+        return makeMovementFlags(dragFlags, swipeFlags);
+    }
+
+    @Override
+    public boolean onMove(RecyclerView recyclerView, RecyclerView.ViewHolder source, RecyclerView.ViewHolder target) {
+        if (source.getItemViewType() != target.getItemViewType()) {
+            return false;
+        }
+
+        // Notify the adapter of the move
+        mAdapter.onItemMove(source.getAdapterPosition(), target.getAdapterPosition());
+        return true;
+    }
+
+    @Override
+    public void onSwiped(RecyclerView.ViewHolder viewHolder, int i) {
+        // Notify the adapter of the dismissal
+        mAdapter.onItemDismiss(viewHolder.getAdapterPosition());
+    }
+
+    @Override
+    public void onChildDraw(Canvas c, RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder, float dX, float dY, int actionState, boolean isCurrentlyActive) {
+        if (actionState == ItemTouchHelper.ACTION_STATE_SWIPE) {
+            // Fade out the view as it is swiped out of the parent's bounds
+            final float alpha = ALPHA_FULL - Math.abs(dX) / (float) viewHolder.itemView.getWidth();
+            viewHolder.itemView.setAlpha(alpha);
+            viewHolder.itemView.setTranslationX(dX);
+        } else {
+            super.onChildDraw(c, recyclerView, viewHolder, dX, dY, actionState, isCurrentlyActive);
+        }
+    }
+
+    @Override
+    public void onSelectedChanged(RecyclerView.ViewHolder viewHolder, int actionState) {
+        // We only want the active item to change
+        if (actionState != ItemTouchHelper.ACTION_STATE_IDLE) {
+            if (viewHolder instanceof ItemTouchHelperViewHolder) {
+                // Let the view holder know that this item is being moved or dragged
+                ItemTouchHelperViewHolder itemViewHolder = (ItemTouchHelperViewHolder) viewHolder;
+                itemViewHolder.onItemSelected();
+            }
+        }
+
+        super.onSelectedChanged(viewHolder, actionState);
+    }
+
+    @Override
+    public void clearView(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder) {
+        super.clearView(recyclerView, viewHolder);
+
+        viewHolder.itemView.setAlpha(ALPHA_FULL);
+
+        if (viewHolder instanceof ItemTouchHelperViewHolder) {
+            // Tell the view holder it's time to restore the idle state
+            ItemTouchHelperViewHolder itemViewHolder = (ItemTouchHelperViewHolder) viewHolder;
+            itemViewHolder.onItemClear();
+        }
+    }
+}

app/src/main/java/hikapro/com/backpack/view/View.java

@@ -6,6 +6,7 @@ import android.widget.Toast;
 import hikapro.com.backpack.model.entities.Item;
 import hikapro.com.backpack.model.entities.Set;
 import hikapro.com.backpack.presenter.Presenter;
+import hikapro.com.backpack.presenter.adapters.helper.OnStartDragListener;
 
 /**
  * Created by tariel on 19/04/16.
@@ -19,6 +20,9 @@ public interface View {
     interface SetList extends Base {
         void showItemList(Set set);
         void setPresenter(Presenter.SetList presenter);
+
+        //GLM_add_resources_SetList
+        OnStartDragListener getOnStartDragListener();
     }
 
     interface ItemList extends Base {

app/src/main/java/hikapro/com/backpack/view/fragments/SetListFragment.java

@@ -5,18 +5,18 @@ import android.app.Activity;
 import android.app.Fragment;
 import android.content.Context;
 import android.os.Bundle;
+import android.support.v7.widget.RecyclerView;
+import android.support.v7.widget.helper.ItemTouchHelper;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
-import android.widget.Toast;
 
-import hikapro.com.backpack.R;
 import hikapro.com.backpack.model.entities.Set;
 import hikapro.com.backpack.presenter.Presenter;
-import hikapro.com.backpack.presenter.SetListPresenter;
+import hikapro.com.backpack.presenter.adapters.helper.OnStartDragListener;
 
-public class SetListFragment extends Fragment implements hikapro.com.backpack.view.View.SetList {
+public class SetListFragment extends Fragment implements hikapro.com.backpack.view.View.SetList, OnStartDragListener{
 
     private Presenter.SetList presenter;
     private hikapro.com.backpack.view.View.ActivityCallback activityCallback;
@@ -130,4 +130,17 @@ public class SetListFragment extends Fragment implements hikapro.com.backpack.vi
     public void setPresenter(Presenter.SetList presenter) {
         this.presenter = presenter;
     }
+
+
+    //GLM_add_resources_SetList
+    @Override
+    public void onStartDrag(RecyclerView.ViewHolder viewHolder) {
+        presenter.onStartDrag(viewHolder);
+    }
+
+    //GLM_add_resources_SetList
+    @Override
+    public OnStartDragListener getOnStartDragListener() {
+        return this;
+    }
 }

app/src/main/java/hikapro/com/backpack/view/recycler/SetViewHolder.java

@@ -1,27 +1,53 @@
 package hikapro.com.backpack.view.recycler;
 
+import android.graphics.Color;
+import android.graphics.drawable.Drawable;
 import android.support.v7.widget.CardView;
 import android.support.v7.widget.RecyclerView;
 import android.view.View;
 import android.widget.TextView;
 
 import hikapro.com.backpack.R;
+import hikapro.com.backpack.presenter.adapters.helper.ItemTouchHelperViewHolder;
 
 /**
  * Created by tariel on 20/04/16.
  */
-public class SetViewHolder extends RecyclerView.ViewHolder {
+public class SetViewHolder extends RecyclerView.ViewHolder implements ItemTouchHelperViewHolder{
 
     public CardView cardView;
     public TextView textView;
 
+    //GLM_add_resources_SetList
+    private View view;
+    private Drawable drawable;
+
     public SetViewHolder(View v) {
         super(v);
+        //
+        this.view = v;
+
+        //
         setupViews(v);
     }
 
     private void setupViews(View view) {
         cardView = (CardView) view.findViewById(R.id.card_view_set);
         textView = (TextView) view.findViewById(R.id.set_text);
+
+        this.view = view;
+        drawable = view.getBackground();
+    }
+
+    //GLM_add_resources_SetList
+    @Override
+    public void onItemClear() {
+        view.setBackground(drawable);
+    }
+
+    //GLM_add_resources_SetList
+    @Override
+    public void onItemSelected() {
+        view.setBackgroundColor(Color.GRAY);
     }
 }