CommentsAdapter.java

/*
Copyright 2012-2013 Andrey Zaytsev, Sergey Ivanov

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 net.meiolania.apps.habrahabr.adapters;

import java.util.ArrayList;

import net.meiolania.apps.habrahabr.R;
import net.meiolania.apps.habrahabr.data.CommentsData;
import net.meiolania.apps.habrahabr.utils.UIUtils;
import android.content.Context;
import android.text.Html;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.LinearLayout;
import android.widget.TextView;

public class CommentsAdapter extends BaseAdapter {
    public final static int MARGIN = 15;
    private ArrayList<CommentsData> comments;
    private Context context;

    public CommentsAdapter(Context context, ArrayList<CommentsData> comments) {
	this.comments = comments;
	this.context = context;
    }

    public int getCount() {
	return comments.size();
    }

    public CommentsData getItem(int position) {
	return comments.get(position);
    }

    public long getItemId(int position) {
	return position;
    }

    public View getView(int position, View view, ViewGroup parent) {
	CommentsData data = getItem(position);

	ViewHolder viewHolder;
	if (view == null) {
	    LayoutInflater layoutInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
	    view = layoutInflater.inflate(R.layout.comments_list_row, null);

	    viewHolder = new ViewHolder();

	    viewHolder.commentBox = (LinearLayout) view.findViewById(R.id.comment_box);
	    viewHolder.comment = (TextView) view.findViewById(R.id.comment_text);
	    viewHolder.author = (TextView) view.findViewById(R.id.comment_author);
	    viewHolder.score = (TextView) view.findViewById(R.id.comment_score);
	    viewHolder.time = (TextView) view.findViewById(R.id.comment_time);

	    view.setTag(viewHolder);
	} else
	    viewHolder = (ViewHolder) view.getTag();

	// TODO: Handle images; Html.fromHtml(source, imageGetter, tagHandler)
	viewHolder.comment.setText(Html.fromHtml(data.getComment()));
	viewHolder.author.setText(data.getAuthor());
	viewHolder.time.setText(data.getTime());

	Integer rating = UIUtils.parseRating(data.getScore());

	// Temporary fix
	/*
	 * TODO: think more about that. Create a separate method in UIUtils
	 * 'cause it's used in more than one class
	 */
	if (rating != null) {
	    if (rating > 0)
		viewHolder.score.setTextColor(context.getResources().getColor(R.color.rating_positive));
	    else if (rating < 0)
		viewHolder.score.setTextColor(context.getResources().getColor(R.color.rating_negative));
	    else
		viewHolder.score.setTextColor(context.getResources().getColor(R.color.black));
	    viewHolder.score.setText(data.getScore());
	}// else
	//    viewHolder.score.setVisibility(View.GONE);

	if (data.getLevel() > 0) {
	    LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.FILL_PARENT,
		    LinearLayout.LayoutParams.FILL_PARENT);
	    layoutParams.setMargins(7 + data.getLevel() * MARGIN, 4, 7, 4);
	    viewHolder.commentBox.setLayoutParams(layoutParams);
	} else {
	    LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.FILL_PARENT,
		    LinearLayout.LayoutParams.FILL_PARENT);
	    layoutParams.setMargins(7, 4, 7, 4);
	    viewHolder.commentBox.setLayoutParams(layoutParams);
	}

	return view;
    }

    static class ViewHolder {
	LinearLayout commentBox;
	TextView comment;
	TextView author;
	TextView score;
	TextView time;
    }

}