com.yojiokisoft.yumekanow.adapter.BackImagePagerAdapter.java Source code

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Here is the source code for com.yojiokisoft.yumekanow.adapter.BackImagePagerAdapter.java

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/*
 * Copyright (C) 2013 YojiokiSoft
 * 
 * This program is free software; you can redistribute it and/or modify it under the
 * terms of the GNU General Public License as published by the Free Software
 * Foundation; either version 3 of the License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
 * PARTICULAR PURPOSE. See the GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License along with this
 * program. If not, see <http://www.gnu.org/licenses/>.
 */

package com.yojiokisoft.yumekanow.adapter;

import java.util.List;

import android.content.Context;
import android.support.v4.view.PagerAdapter;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;

import com.yojiokisoft.yumekanow.entity.BackImageEntity;
import com.yojiokisoft.yumekanow.utils.MyImage;

/**
 * ??
 */
public class BackImagePagerAdapter extends PagerAdapter {
    private ImageView mImageView;
    private List<BackImageEntity> mList;
    private Context mContext;

    /**
     * .
     * 
     * @param context
     */
    public BackImagePagerAdapter(Context context, List<BackImageEntity> list) {
        mContext = context;
        mList = list;
    }

    /**
     * @see PagerAdapter#instantiateItem(ViewGroup, int)
     */
    @Override
    public Object instantiateItem(ViewGroup container, int position) {
        mImageView = new ImageView(mContext);
        mImageView.setPadding(0, 5, 0, 0);
        mImageView.setBackgroundColor(0xFF000000);
        mImageView.setScaleType(ImageView.ScaleType.FIT_CENTER);

        BackImageEntity item = mList.get(position);
        MyImage.setImage(mImageView, item);

        // ?
        container.addView(mImageView);

        return mImageView;
    }

    /**
     * @see PagerAdapter#destroyItem(ViewGroup, int, Object)
     */
    @Override
    public void destroyItem(ViewGroup container, int position, Object object) {
        // ? View 
        container.removeView((View) object);
    }

    /**
     * @see PagerAdapter#getCount()
     */
    @Override
    public int getCount() {
        // ??
        return mList.size();
    }

    /**
     * @see PagerAdapter#isViewFromObject(View, Object)
     */
    @Override
    public boolean isViewFromObject(View view, Object object) {
        // Object ? View ????
        return view == (ImageView) object;
    }

    /**
     * @see PagerAdapter#getItemPosition(Object)
     */
    @Override
    public int getItemPosition(Object object) {
        return POSITION_NONE;
    }

    /**
     * ???.
     * 
     * @param position
     * @return
     */
    public BackImageEntity getBackImage(int position) {
        return mList.get(position);
    }

    /**
     * ?
     * 
     * @param list
     */
    public void setItems(List<BackImageEntity> list) {
        if (mList != null) {
            mList = null;
        }
        mList = list;
    }
}