Android Open Source - piRSS Item List Adapter

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License

The source code is released under:

GNU General Public License

Java Source Code

/**
 * Copyright (C) 2011 Matthias Jordan <matthias.jordan@googlemail.com>
 */*w ww  . ja  v a 2  s. c  om*/
 * This file is part of piRSS.
 *
 * piRSS 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.
 *
 * piRSS 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 piRSS.  If not, see <http://www.gnu.org/licenses/>.
 */
package de.codefu.android.rss.itemlist;

import java.text.DateFormat;
import java.util.Date;

import android.content.Context;
import android.database.Cursor;
import android.graphics.drawable.ColorDrawable;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.ImageView.ScaleType;
import android.widget.SimpleCursorAdapter;
import android.widget.TextView;
import de.codefu.android.rss.R;
import de.codefu.android.rss.db.ItemProvider;
import de.codefu.android.rss.updateservice.Utils;



/**
 * Adapter that adapts an item Cursor to the item list view.
 * 
 * @author mj
 */
public class ItemListAdapter extends SimpleCursorAdapter {

    /**
     * Reference to the date format that is used in the current context.
     */
    private DateFormat datef = null;
    /**
     * Reference to the time format that is used in the current context.
     */
    private DateFormat timef = null;


    public ItemListAdapter(Context context, Cursor c) {
        super(context, R.layout.itemlist_row, c, new String[] {
            ItemProvider.ITEMS_COL_HEADLINE
        }, new int[] {
            R.id.itemlist_row_headline
        });
        datef = android.text.format.DateFormat.getDateFormat(context.getApplicationContext());
        timef = android.text.format.DateFormat.getTimeFormat(context.getApplicationContext());
    }


    @Override
    public View newView(Context context, Cursor cursor, ViewGroup parent) {
        final LayoutInflater inflater = LayoutInflater.from(context);
        final View view = inflater.inflate(R.layout.itemlist_row, null);
        return view;
    }


    @Override
    public void bindView(View view, Context context, Cursor cursor) {
        final boolean itemRead = cursor.getInt(cursor.getColumnIndex(ItemProvider.ITEMS_COL_READ)) == 1;
        final TextView headlineView = (TextView) view.findViewById(R.id.itemlist_row_headline);
        final String headline = cursor.getString(cursor.getColumnIndex(ItemProvider.ITEMS_COL_HEADLINE));
        if (headline != null) {
            headlineView.setMaxLines(2);
            final int end = Math.min(100, headline.length());
            final String headlineShort = headline.substring(0, end);
            headlineView.setText(headlineShort);
            if (itemRead) {
                headlineView.setTextAppearance(context, R.style.Base_ItemHeadline_Read);
            }
            else {
                headlineView.setTextAppearance(context, R.style.Base_ItemHeadline_Unread);
            }
        }
        else {
            headlineView.setHeight(0);
        }

        final TextView contentView = (TextView) view.findViewById(R.id.itemlist_row_content);
        final String content = cursor.getString(cursor.getColumnIndex(ItemProvider.ITEMS_COL_CONTENT));
        if (content != null) {
            final String cleaned = Utils.htmlClean(content);
            final int end = Math.min(200, cleaned.length());
            final String cleanedShort = cleaned.substring(0, end);
            contentView.setMaxLines(2);
            contentView.setText(cleanedShort);
            contentView.setTextAppearance(context, R.style.Base_ItemBody);
        }
        else {
            contentView.setHeight(0);
        }

        final TextView dateView = (TextView) view.findViewById(R.id.itemlist_row_date);
        final long dateLong = cursor.getLong(cursor.getColumnIndex(ItemProvider.ITEMS_COL_DATE));
        if (dateLong != 0L) {
            final Date d = new Date(dateLong);
            final String fd = datef.format(d) + " - " + timef.format(d);
            dateView.setMaxLines(1);
            dateView.setText(fd);
            dateView.setTextAppearance(context, R.style.Base_ItemDate);
        }
        else {
            dateView.setHeight(0);
        }

        final int keeper = cursor.getInt(cursor.getColumnIndex(ItemProvider.ITEMS_COL_KEEPER));
        if (keeper == 0) {
            view.setBackgroundDrawable(null);
        }
        else {
            view.setBackgroundDrawable(new ColorDrawable(context.getResources().getColor(R.color.Keeper)));
        }

        final ImageView statusView = (ImageView) view.findViewById(R.id.itemlist_row_status);
        if (!itemRead) {
            statusView.setVisibility(ImageView.VISIBLE);
            statusView.setImageResource(R.drawable.unread);
            statusView.setScaleType(ScaleType.FIT_XY);
        }
        else {
            statusView.setVisibility(ImageView.INVISIBLE);
        }

    }

}

Java Source Code List

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