com.vagabond.dealhunting.ui.DealAdapter.java Source code

Introduction

Here is the source code for com.vagabond.dealhunting.ui.DealAdapter.java

Source

package com.vagabond.dealhunting.ui;

import android.content.Context;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.drawable.Drawable;
import android.support.v4.content.ContextCompat;
import android.support.v7.graphics.Palette;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;

import com.squareup.picasso.Picasso;
import com.squareup.picasso.Target;
import com.vagabond.dealhunting.R;

/*
 * Copyright (C) 2016 SkyUnity (HoaNV)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
public class DealAdapter extends RecyclerView.Adapter<DealAdapter.DealAdapterViewHolder> {

    private static final int INDEX_COLUMN_ID = 0;
    private static final int INDEX_COLUMN_TITLE = 1;
    private static final int INDEX_COLUMN_IMAGE = 4;
    private static final int INDEX_COLUMN_END_DATE = 7;
    private static final int INDEX_COLUMN_STORE_TITLE = 11;
    private static final int INDEX_COLUMN_STORE_IMAGE = 12;
    private static final int SECOND_IN_HOUR = 3600 * 1000;

    private Context context;
    private Cursor mCursor;
    private DealAdapterOnClickHandler mClickHandler;

    public DealAdapter(Context context, DealAdapterOnClickHandler dh, View emptyView) {
        this.context = context;
        this.mClickHandler = dh;
    }

    @Override
    public DealAdapterViewHolder onCreateViewHolder(ViewGroup viewGroup, int viewType) {
        if (viewGroup instanceof RecyclerView) {
            int layoutId = R.layout.list_item_deal;
            View view = LayoutInflater.from(viewGroup.getContext()).inflate(layoutId, viewGroup, false);
            view.setFocusable(true);
            final DealAdapterViewHolder vh = new DealAdapterViewHolder(view);
            view.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View view) {
                    mClickHandler.onClick(mCursor, vh);
                }
            });
            return vh;
        } else {
            throw new RuntimeException("Not bound to RecyclerView");
        }
    }

    @Override
    public void onBindViewHolder(final DealAdapterViewHolder holder, int position) {
        mCursor.moveToPosition(position);

        holder.titleView.setText(mCursor.getString(INDEX_COLUMN_TITLE));
        setTimeDuration(mCursor.getLong(INDEX_COLUMN_END_DATE), holder);

        Picasso.with(context).load(mCursor.getString(INDEX_COLUMN_STORE_IMAGE)).into(new Target() {
            @Override
            public void onBitmapLoaded(Bitmap bitmap, Picasso.LoadedFrom from) {
                holder.storeBrandImageView.setImageBitmap(bitmap);
                Palette.from(bitmap).generate(new Palette.PaletteAsyncListener() {
                    @Override
                    public void onGenerated(Palette palette) {
                        Palette.Swatch brandSwatch = palette.getDominantSwatch();
                        if (brandSwatch != null) {
                            holder.brandBar.setBackgroundColor(brandSwatch.getRgb());
                        }
                    }
                });
            }

            @Override
            public void onBitmapFailed(Drawable errorDrawable) {

            }

            @Override
            public void onPrepareLoad(Drawable placeHolderDrawable) {

            }
        });
        Picasso.with(context).load(mCursor.getString(INDEX_COLUMN_IMAGE)).into(holder.dynamicHeightImageView);

    }

    private void setTimeDuration(long time, DealAdapterViewHolder holder) {
        String durationStr;
        long duration = time - System.currentTimeMillis();
        boolean overtime = true;
        if (duration > 0) {
            long numdays = duration / (SECOND_IN_HOUR * 24);
            if (numdays > 0) {
                durationStr = duration / SECOND_IN_HOUR * 24 + " " + context.getString(R.string.day_text);
            } else {
                durationStr = duration / SECOND_IN_HOUR + " " + context.getString(R.string.hour_text);
            }
            overtime = false;
        } else {
            durationStr = context.getString(R.string.overtime);
        }
        holder.durationView.setText(durationStr);
        holder.durationView.setTextColor(
                ContextCompat.getColor(context, overtime ? R.color.colorPrimary : R.color.navview_icon));
    }

    @Override
    public long getItemId(int position) {
        mCursor.moveToPosition(position);
        return mCursor.getLong(INDEX_COLUMN_ID);
    }

    @Override
    public int getItemCount() {
        if (null == mCursor)
            return 0;
        return mCursor.getCount();
    }

    public void swapCursor(Cursor newCursor) {
        mCursor = newCursor;
        notifyDataSetChanged();
    }

    public Cursor getCursor() {
        return mCursor;
    }

    class DealAdapterViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener {
        private TextView titleView;
        private TextView durationView;
        private ImageView storeBrandImageView;
        private DynamicHeightImageView dynamicHeightImageView;
        private View brandBar;

        DealAdapterViewHolder(View itemView) {
            super(itemView);
            titleView = (TextView) itemView.findViewById(R.id.deal_title_textview);
            dynamicHeightImageView = (DynamicHeightImageView) itemView.findViewById(R.id.thumbnail);
            storeBrandImageView = (ImageView) itemView.findViewById(R.id.brand_logo);
            brandBar = itemView.findViewById(R.id.brand_bar);
            durationView = (TextView) itemView.findViewById(R.id.timer_tv);
        }

        @Override
        public void onClick(View view) {
            int adapterPosition = getAdapterPosition();
            mCursor.moveToPosition(adapterPosition);
        }
    }

    interface DealAdapterOnClickHandler {
        void onClick(Cursor cursor, DealAdapterViewHolder vh);
    }
}