Android Open Source - GlimmpseAndroid Relative Group Size Adapter

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License

The source code is released under:

GNU General Public License

Java Source Code

/*
 * Mobile - Android, User Interface for the GLIMMPSE Software System.  Allows
 * users to perform power and sample size calculations. 
 * /*from w w  w. ja  v  a  2  s .c o  m*/
 * Copyright (C) 2010 Regents of the University of Colorado.  
 *
 * 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 2
 * 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
package edu.ucdenver.bios.glimmpseandroid.adapter;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.RelativeLayout;
import android.widget.SeekBar;
import android.widget.SeekBar.OnSeekBarChangeListener;
import android.widget.TextView;
import edu.ucdenver.bios.glimmpseandroid.R;
import edu.ucdenver.bios.glimmpseandroid.application.StuyDesignContext;

// TODO: Auto-generated Javadoc
/**
 * The Class RelativeGroupSizeAdapter.
 * 
 * @author Uttara Sakhadeo
 * @version 1.0.0
 */
public class RelativeGroupSizeAdapter extends BaseAdapter {

    /** The m layout inflater. */
    private LayoutInflater mLayoutInflater;

    /** The relative group size. */
    static int relativeGroupSize;

    /** The value text. */
    static TextView valueText;

    /** The global variables. */
    private static StuyDesignContext globalVariables;

    /**
     * Instantiates a new relative group size adapter.
     * 
     * @param context
     *            the context
     * @param groups
     *            the groups
     */
    public RelativeGroupSizeAdapter(Context context) {

        // get the layout inflater
        mLayoutInflater = (LayoutInflater) context
                .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        globalVariables = StuyDesignContext.getInstance();
    }

    /*
     * (non-Javadoc)
     * 
     * @see android.widget.Adapter#getView(int, android.view.View,
     * android.view.ViewGroup)
     */
    public View getView(final int position, View view, ViewGroup viewGroup) {

        ViewHolder holder;

        view = mLayoutInflater.inflate(
                R.layout.design_relative_group_size_item, null);

        holder = new ViewHolder();
        holder.textLine = (TextView) view
                .findViewById(R.id.list_item_textView_relative_group_size);
        holder.valueLine = (SeekBar) view.findViewById(R.id.relativeSize);
        holder.detailLine = (TextView) view.findViewById(R.id.see_progress);
        int tempRelGpSize = globalVariables.getRelativeGroupSize(position);
        if (tempRelGpSize == 0) {
            globalVariables.setDefaultRelativeGroupSize(position);
            relativeGroupSize = globalVariables.getRelativeGroupSize(position);

        } else {
            relativeGroupSize = tempRelGpSize;
        }

        holder.valueLine.setProgress(relativeGroupSize - 1);
        holder.detailLine.setText("" + relativeGroupSize);
        holder.valueLine
                .setOnSeekBarChangeListener(new OnSeekBarChangeListener() {

                    public void onProgressChanged(SeekBar seekBar,
                            int progress, boolean fromUser) {
                        relativeGroupSize = progress + 1;
                        RelativeLayout mlayout = (RelativeLayout) seekBar
                                .getParent();
                        if (mlayout.getChildCount() > 0) {
                            valueText = (TextView) mlayout.getChildAt(0);
                            valueText.setText("" + relativeGroupSize);
                            globalVariables.setRelativeGroupSize(
                                    relativeGroupSize, position);
                        }

                    }

                    public void onStartTrackingTouch(SeekBar seekBar) {
                    }

                    public void onStopTrackingTouch(SeekBar seekBar) {
                    }
                });

        // view.setTag(holder);
        // get the string item from the position "position" from array list to
        // put it on the TextView
        String stringItem = "Group " + (position + 1);
        if (stringItem != null) {

            TextView itemName = (TextView) view
                    .findViewById(R.id.list_item_textView_relative_group_size);

            if (itemName != null) {
                // set the item name on the TextView
                itemName.setText(stringItem);
            }
        }

        // this method must return the view corresponding to the data at the
        // specified position.
        return view;

    }

    /**
     * The Class ViewHolder.
     */
    static class ViewHolder {

        /** The text line. */
        TextView textLine;
        /** The value line. */
        SeekBar valueLine;
        /** The detail line. */
        TextView detailLine;
    }

    /*
     * (non-Javadoc)
     * 
     * @see android.widget.Adapter#getItem(int)
     */
    public Object getItem(int i) {
        return globalVariables.getRelativeGroupSize(i);
    }

    // get the position id of the item from the list
    /*
     * (non-Javadoc)
     * 
     * @see android.widget.Adapter#getItemId(int)
     */
    public long getItemId(int i) {
        return i;
    }

    /*
     * (non-Javadoc)
     * 
     * @see android.widget.Adapter#getCount()
     */
    public int getCount() {
        // TODO Auto-generated method stub
        return globalVariables.getGroups();
    }

}

Java Source Code List

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