Android Open Source - timestatistic Times Cursor Adapter

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License

The source code is released under:
GNU General Public License
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Java Source Code

package maximsblog.blogspot.com.timestatistic;
/*from w  w w. jav a2  s . c  om*/
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.HashMap;
import java.util.Map.Entry;

import android.content.Context;
import android.content.res.ColorStateList;
import android.content.res.TypedArray;
import android.database.Cursor;
import android.graphics.Color;
import android.graphics.drawable.Drawable;
import android.support.v4.widget.SimpleCursorAdapter;
import android.text.InputFilter.LengthFilter;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.AbsListView;
import android.widget.CheckBox;
import android.widget.CheckedTextView;
import android.widget.CompoundButton;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.widget.AbsListView.OnScrollListener;

public class TimesCursorAdapter extends SimpleCursorAdapter implements
ListView.OnScrollListener {

  private SimpleDateFormat mSimpleTimeFormat;
  private SimpleDateFormat mSimpleDateFormat;
  // private ITimes mListener;
  private Drawable mIndicator;
  private HashMap<Integer, Boolean> mSelected;
  private int mSelectedPosition;
  private long mStartdate;
  private boolean mBusy = false;
  public static final int NORMAL_MODE = -1;
  
  private static final int VIEW_TYPE_GROUP_START = 0;
    private static final int VIEW_TYPE_GROUP_CONT = 1;
    private static final int VIEW_TYPE_COUNT = 2;

  public TimesCursorAdapter(Context context, int layout, Cursor c,
      String[] from, int[] to, int flags, long startdate) {
    super(context, layout, c, from, to, flags);
    mSimpleTimeFormat = new SimpleDateFormat("HH:mm");
    mSimpleDateFormat = new SimpleDateFormat("EEEE, d MMMM");
    mStartdate = startdate;
    int[] attrs = { android.R.attr.listChoiceIndicatorMultiple };
    TypedArray ta = context.getTheme().obtainStyledAttributes(attrs);
    mIndicator = ta.getDrawable(0);
  }

  public interface ITimes {
    void onTimeRecordChange();
  }
  
  @Override
    public int getViewTypeCount() {
        return VIEW_TYPE_COUNT;
    }
  
  @Override
    public int getItemViewType(int position) {
        if (position == 0) {
            return VIEW_TYPE_GROUP_START;
        }
        Cursor cursor = getCursor();
        cursor.moveToPosition(position);
        boolean newGroup = isNewGroup(cursor, position);

        if (newGroup) {
            return VIEW_TYPE_GROUP_START;
        } else {
            return VIEW_TYPE_GROUP_CONT;
        }
    }

  public static class ViewHolder {
    public TextView times;
    public View LinearLayout01;
    public CheckBox check;
    public View note;
    public int id;
    public TextView dateHeader;
    public TextView lenghtRecord;
  }

  @Override
  public void bindView(View view, Context context, final Cursor cursor) {
    super.bindView(view, context, cursor);
    final ViewHolder holder;
    final int position = cursor.getPosition();
    int nViewType;
    
        if (position == 0) {
            nViewType = VIEW_TYPE_GROUP_START;
        } else {
            boolean newGroup = isNewGroup(cursor, position);
            if (newGroup) {
                nViewType = VIEW_TYPE_GROUP_START;
            } else {
                nViewType = VIEW_TYPE_GROUP_CONT;
            }
        }
        
    if (view.getTag() == null) {
      holder = new ViewHolder();
      holder.times = (TextView) view.findViewById(R.id.times);
      holder.LinearLayout01 = view.findViewById(R.id.before_record);
      holder.check = (CheckBox) view.findViewById(R.id.check);
      holder.note = view.findViewById(R.id.note);
      holder.dateHeader = (TextView)view.findViewById(R.id.date_header);
      holder.lenghtRecord = (TextView)view.findViewById(R.id.lenght_record);
      view.setTag(holder);
    } else {
      holder = (ViewHolder) view.getTag();
    }
    long start = cursor.getLong(2);
    long stop = cursor.getLong(7);

    Date d = new Date(start);
    StringBuilder sb = new StringBuilder();
    sb.append(mSimpleTimeFormat.format(d));
    holder.id = cursor.getInt(5);
    
    if(nViewType == VIEW_TYPE_GROUP_START){
      holder.dateHeader.setText(mSimpleDateFormat.format(d));
      holder.dateHeader.setVisibility(View.VISIBLE);
    }
    else
      holder.dateHeader.setVisibility(View.GONE);
    sb.append(" - ");
    if (cursor.getLong(1) == 0){

    } else {
      d = new Date(cursor.getLong(1) + cursor.getLong(2));
      sb.append(mSimpleTimeFormat.format(d));
    }
    setTime(holder.lenghtRecord,
        stop - start > 0 ? stop - start : new Date().getTime() - start);
    
    
    if (mSelectedPosition != -1) {
      if (mSelected.get(position) != null) {
        holder.check.setChecked(mSelected.get(position));
        holder.check.setVisibility(View.VISIBLE);
      } else {
        holder.check.setChecked(false);
        holder.check.setVisibility(View.INVISIBLE);
      }
    } else {
      holder.check.setChecked(false);
      holder.check.setVisibility(View.INVISIBLE);
    }
    holder.LinearLayout01.setBackgroundColor(cursor.getInt(4));
    if (!mBusy) {
      Cursor c = mContext.getContentResolver().query(RecordsDbHelper.CONTENT_URI_NOTES, new String[] { RecordsDbHelper.ID3, RecordsDbHelper.NOTE },RecordsDbHelper.ID3+ "=?" , new String[] { String.valueOf(holder.id) }, null);
      if(c.getCount() == 1) {
        holder.note.setVisibility(View.VISIBLE);
      } else
        holder.note.setVisibility(View.INVISIBLE);  
      c.close();
    } else 
      holder.note.setVisibility(View.INVISIBLE);
    
    holder.times.setText(sb.toString());
  }

  private void setTime(TextView t, long time) {
    if (time == 0) {
      t.setText("");
    } else {
      int day;
      int hours;
      int minutes;
      int seconds;
      day = (int) (time / (24 * 60 * 60 * 1000));
      hours = (int) (time / (60 * 60 * 1000)) - day * 24;
      minutes = (int) (time / (60 * 1000)) - day * 24 * 60 - 60 * hours;
      seconds = (int) (time / 1000) - day * 24 * 60 * 60 - 60 * 60
          * hours - 60 * minutes;
      String s = new String();
      if (day > 0) {
        s = String.format(" (+%s\n%02d:%02d:%02d)",
            getTimeString("day", day), hours, minutes, seconds);
      } else
        s = String.format(" (+%02d:%02d:%02d)", hours, minutes, seconds);
      t.setText(s);
    }
  }

  private String getTimeString(String res, int l) {
    StringBuilder s = new StringBuilder();
    s.append(l);
    s.append(' ');
    if (l == 1 || (l % 10 == 1 && l != 11)) {
      s.append(mContext.getString(mContext.getResources().getIdentifier(
          res + "1", "string", mContext.getPackageName())));
    } else if ((l % 10 == 2 || l % 10 == 3 || l % 10 == 4) && l != 12
        && l != 13 && l != 14) {
      s.append(mContext.getString(mContext.getResources().getIdentifier(
          res + "234", "string", mContext.getPackageName())));
    } else
      s.append(mContext.getString(mContext.getResources().getIdentifier(
          res + "s", "string", mContext.getPackageName())));
    return s.toString();
  }

  public void setChoiceUnionMode(int position) {
    mSelectedPosition = position;
    mSelected.put(position, true);
    if (position + 1 < mCursor.getCount())
      mSelected.put(position + 1, false);
    if (position - 1 >= 0)
      mSelected.put(position - 1, false);
  }

  public void setSelectedPosition(int position) {
    mSelectedPosition = position;
  }

  public int getChoiceUnionMode() {
    return mSelectedPosition;
  }

  public HashMap<Integer, Boolean> getSelected() {
    return mSelected;
  }

  public void setSelected(HashMap<Integer, Boolean> selected) {
    mSelected = selected;
  }

  public void setStartDate(long startdate) {
    mStartdate = startdate;
  }

  @Override
  public void onScrollStateChanged(AbsListView view, int scrollState) {
    switch (scrollState) {
    case OnScrollListener.SCROLL_STATE_IDLE:
      mBusy = false;
      int first = view.getFirstVisiblePosition();
      int count = view.getChildCount();
      for (int i = 0; i < count; i++) {
        ViewHolder holder = (ViewHolder) view.getChildAt(i).getTag();
        Cursor c = mContext.getContentResolver().query(RecordsDbHelper.CONTENT_URI_NOTES, new String[] { RecordsDbHelper.ID3, RecordsDbHelper.NOTE },RecordsDbHelper.ID3+ "=?" , new String[] { String.valueOf(holder.id) }, null);
        if(c.getCount() == 1) {
          holder.note.setVisibility(View.VISIBLE);
        } else
          holder.note.setVisibility(View.INVISIBLE);  
        c.close();
      }

      break;
    case OnScrollListener.SCROLL_STATE_TOUCH_SCROLL:
      mBusy = true;
      break;
    case OnScrollListener.SCROLL_STATE_FLING:
      mBusy = true;
      break;
    }
  }

  @Override
  public void onScroll(AbsListView arg0, int arg1, int arg2, int arg3) {
    // TODO Auto-generated method stub
    
  }
  
  private boolean isNewGroup(Cursor cursor, int position) {
    cursor.moveToPosition(position - 1);
    Calendar cal = Calendar.getInstance();
    Calendar cal2 = Calendar.getInstance();
    cal.setTimeInMillis(cursor.getLong(2));
    cal2.setTimeInMillis(cursor.getLong(7));
        //
        //long before_start = (cursor.getLong(2) / 1000 / 60 / 60 / 24) * 1000 * 60 * 60* 24;
        //long before_stop = (cursor.getLong(7) / 1000 / 60 / 60 / 24) * 1000 * 60 * 60* 24;
        cursor.moveToPosition(position);    
        //if ((now != before_start || before_stop != now) && before_stop != 0 ) {
        if(cal.get(Calendar.DATE) != cal2.get(Calendar.DATE)) {//((before_start != before_stop) && before_stop !=0){
            return true;
        }

        return false;
    }
  
}
Java Source Code List
