RobotCardScrollAdapter.java

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package com.riverlab.robotmanager.robot;

import android.app.ActionBar.LayoutParams;
import android.bluetooth.BluetoothDevice;
import android.content.Context;
import android.view.Gravity;
import android.view.View;
import android.view.ViewGroup;
import android.webkit.WebView.FindListener;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;

import com.google.android.glass.widget.CardScrollAdapter;
import com.google.android.search.core.util.HttpHelper.GetRequest;
import com.riverlab.robotmanager.R;
import com.riverlab.robotmanager.R.id;
import com.riverlab.robotmanager.R.layout;

import java.util.ArrayList;
import java.util.Collection;
import java.util.List;

public class RobotCardScrollAdapter extends CardScrollAdapter {
        List<Robot> mRobotList;
        Context context;

        public RobotCardScrollAdapter(Context context, Collection<Robot> robots) {
                mRobotList = new ArrayList<Robot>(robots);
                this.context = context;
        }

        public void addRobot(Robot robot) {
                mRobotList.add(robot);
        }

        @Override
        public int getCount() {
                return mRobotList.size();
        }

        @Override
        public Robot getItem(int position) {
                return mRobotList.get(position);
        }

        class ViewHolder {
                TextView name;
                TextView infoTextView;
                TextView prevTxt;
                TextView nextTxt;
                TextView robotCounter;
        }

        @Override
        public View getView(int position, View convertView, ViewGroup parent) {
                ViewHolder holder;
                int nextID = 3;

                if (convertView == null)
                {
                        convertView = View.inflate(context, R.layout.robot_card, null);
                        holder = new ViewHolder();

                        Robot robot = mRobotList.get(position);

                        LinearLayout ll = (LinearLayout) convertView
                                        .findViewById(R.id.scrollLinearLayout);
                        LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(
                                        LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT);

                        holder.name = new TextView(this.context);
                        holder.name.setId(nextID);
                        nextID++;
                        holder.name.setTextSize(50);
                        holder.name.setText(robot.getName());
                        holder.name.setLayoutParams(lp);
                        holder.name.setGravity(Gravity.CENTER);
                        ll.addView(holder.name);

                        holder.infoTextView = new TextView(this.context);
                        holder.infoTextView.setId(nextID);
                        holder.infoTextView.setTextSize(24);
                        holder.infoTextView.setText(robot.getInfo());
                        holder.infoTextView.setLayoutParams(lp);
                        holder.infoTextView.setGravity(Gravity.LEFT);
                        holder.infoTextView.setPadding(30, 10, 30, 10);
                        holder.infoTextView.setTextColor(context.getResources().getColor(R.color.blue));
                        ll.addView(holder.infoTextView);
                        
                        holder.prevTxt = (TextView) convertView.findViewById(R.id.robotPreviousText);
                        holder.nextTxt = (TextView) convertView.findViewById(R.id.robotNextText);
                        holder.robotCounter = (TextView) convertView.findViewById(R.id.robotCounterText);
                        
                        convertView.setTag(holder);
                } else 
                {
                        holder = (ViewHolder) convertView.getTag();
                }
                
                if (hasNext(position))
        {
                holder.nextTxt.setVisibility(View.VISIBLE);
                holder.nextTxt.setText(R.string.next);
        }
        else
        {
                holder.nextTxt.setVisibility(View.INVISIBLE);
                //holder.nextTxt.setText(R.string.no_next);
        }
        
        if (hasPrevious(position))
        {
                holder.prevTxt.setVisibility(View.VISIBLE);
                holder.prevTxt.setText(R.string.previous);
        }
        else
        {
                holder.prevTxt.setVisibility(View.INVISIBLE);
                //holder.prevTxt.setText(R.string.no_previous);
        }
        
        holder.robotCounter.setText((position + 1) + " of " + mRobotList.size());

                return convertView;
        }
        
        private boolean hasNext(int position)
        {
                int last = mRobotList.size();
                int next = position + 1;

                return next < last;
        }
        
        private boolean hasPrevious(int position)
        {
                return position > 0;
        }

        @Override
        public int getPosition(Object arg0) {
                // TODO Auto-generated method stub
                return 0;
        }
}