com.jacr.instagramtrendreader.ImageDetails.java Source code

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Here is the source code for com.jacr.instagramtrendreader.ImageDetails.java

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/*
 * Copyright (C) 2014 Jesus A. Castro R.
 *
 * 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.
 */

package com.jacr.instagramtrendreader;

import java.io.File;
import java.util.ArrayList;
import java.util.List;

import android.content.res.Resources;
import android.os.Bundle;
import android.support.v4.view.ViewPager;

import com.actionbarsherlock.app.ActionBar;
import com.actionbarsherlock.view.Menu;
import com.actionbarsherlock.view.MenuInflater;
import com.actionbarsherlock.view.MenuItem;
import com.jacr.instagramtrendreader.Main.FeedReader;
import com.jacr.instagramtrendreader.core.BaseActivity;
import com.jacr.instagramtrendreader.core.IBase;
import com.jacr.instagramtrendreader.utils.Util;
import com.viewpagerindicator.CirclePageIndicator;

public class ImageDetails extends BaseActivity implements IBase {

    private static final String CLASS_NAME = ImageDetails.class.getName();
    public static final String KEY_THUMBNAIL_ACTUAL_KEY = CLASS_NAME + ".thumbnail_actual_key";
    public static final String KEY_THUMBNAIL_DATA = CLASS_NAME + ".thumbnail_data";
    public static final String KEY_THUMBNAIL_KEYS = CLASS_NAME + ".thumbnail_keys";

    private ArrayList<Integer> listThumbnailKeys = null;
    private ArrayList<List<String>> listThumbnailData = null;
    private ViewPagerAdapter<ImageDetailsFragment> mAdapter;
    private ActionBar actionBar;

    @SuppressWarnings({ "unchecked" })
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activitiy_image_details);

        if (getIntent() != null) {
            Bundle b = getIntent().getExtras();
            listThumbnailKeys = (ArrayList<Integer>) b.get(KEY_THUMBNAIL_KEYS);
            listThumbnailData = (ArrayList<List<String>>) b.get(KEY_THUMBNAIL_DATA);
            final int currentKey = b.getInt(KEY_THUMBNAIL_ACTUAL_KEY);

            /* Views */
            ViewPager mPager = (ViewPager) findViewById(R.id.pagerMain);
            CirclePageIndicator mIndicator = (CirclePageIndicator) findViewById(R.id.indicator);

            /* ActionBar */
            Resources r = getResources();
            actionBar = super.getActionBar(true);
            actionBar.setIcon(r.getDrawable(R.drawable.ic_menu_gallery));

            /* Viewpager and Indicator */
            mAdapter = new ViewPagerAdapter<ImageDetailsFragment>(getSupportFragmentManager());

            /*
             * With the name of the image, extract the hash for the Associated
             * data (we don't use listThumbnailKeys for now).
             */
            File[] imageList = Util.readFilesFromFileDirectory(this);
            for (int i = 0; i < imageList.length; i++) {
                int keyIterator = Integer.parseInt(imageList[i].getName());
                String date = Util.nulo2Vacio(getThumbnailDataByKey(keyIterator, FeedReader.THUMBNAIL_DATE));
                String author = Util.nulo2Vacio(getThumbnailDataByKey(keyIterator, FeedReader.THUMBNAIL_AUTHOR));
                String tags = Util.nulo2Vacio(getThumbnailDataByKey(keyIterator, FeedReader.THUMBNAIL_TAGS));
                String urlImage = Util.nulo2Vacio(getThumbnailDataByKey(keyIterator, FeedReader.THUMBNAIL_URL));
                mAdapter.addFragment(ImageDetailsFragment.newInstance(imageList[i], urlImage, date, author, tags));

            }
            mPager.setAdapter(mAdapter);
            mIndicator.setViewPager(mPager);
            mIndicator.setHorizontalScrollBarEnabled(true);
            mIndicator.setHorizontalFadingEdgeEnabled(true);
            mIndicator.setBackgroundColor(r.getColor(R.color.white));
            mIndicator.setOnPageChangeListener(new ViewPager.OnPageChangeListener() {

                @Override
                public void onPageSelected(int arg0) {
                    setDataRelationshipViewPager(arg0);
                }

                @Override
                public void onPageScrolled(int arg0, float arg1, int arg2) {

                }

                @Override
                public void onPageScrollStateChanged(int arg0) {

                }
            });

            // Show image
            int idxKey = listThumbnailKeys.indexOf(currentKey);
            mPager.setCurrentItem(idxKey);
            setDataRelationshipViewPager(idxKey);

        }

    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        MenuInflater inflater = getSupportMenuInflater();
        inflater.inflate(R.menu.image_details, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        super.onOptionsItemSelected(item);
        return true;
    }

    private void setDataRelationshipViewPager(int page) {
        String title = listThumbnailData.get(page).get(FeedReader.THUMBNAIL_CAPTION);
        String url = listThumbnailData.get(page).get(FeedReader.THUMBNAIL_URL);
        actionBar.setTitle(Util.getTitleActivity(title));
        if (getDialog() != null) {
            getDialog().setImageUrlToShare(url);
        }

    }

    @Override
    public String getThumbnailDataByKey(int key, int valueType) {
        int idx = listThumbnailKeys.indexOf(key);
        if (idx != -1) {
            return listThumbnailData.get(idx).get(valueType);
        }
        return null;
    }

}