Android Open Source - bankomatinfos List Adapter Quick Transactions

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Back to project page bankomatinfos.
License

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

/**
 * /*from w  w  w .j av  a2 s .c o  m*/
 */
package at.zweng.bankomatinfos.ui;

import static at.zweng.bankomatinfos.util.Utils.byte2Hex;
import static at.zweng.bankomatinfos.util.Utils.bytesToHex;
import static at.zweng.bankomatinfos.util.Utils.formatBalance;
import static at.zweng.bankomatinfos.util.Utils.formatDateOnly;
import static at.zweng.bankomatinfos.util.Utils.formatDateWithTime;
import static at.zweng.bankomatinfos.util.Utils.prettyPrintString;

import java.util.List;

import android.app.Activity;
import android.content.Context;
import android.util.SparseBooleanArray;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.animation.AlphaAnimation;
import android.view.animation.Animation;
import android.widget.BaseAdapter;
import android.widget.TextView;
import at.zweng.bankomatinfos.AppController;
import at.zweng.bankomatinfos.model.QuickTransactionLogEntry;
import at.zweng.bankomatinfos2.R;

/**
 * list adapter for the Quick transaction list
 * 
 * @author Johannes Zweng <johannes@zweng.at>
 */
public class ListAdapterQuickTransactions extends BaseAdapter {

  private Context _context;
  private List<QuickTransactionLogEntry> _txList;
  private SparseBooleanArray itemExpandedStateMap;
  private int expandedElementId = -1;

  /**
   * Constructor
   */
  public ListAdapterQuickTransactions(Context ctx) {
    this._context = ctx;
    this._txList = AppController.getInstance().getCardInfoNullSafe(ctx)
        .getQuickLog();
    itemExpandedStateMap = new SparseBooleanArray();
  }

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

  @Override
  public Object getItem(int position) {
    return _txList.get(position);
  }

  @Override
  public long getItemId(int position) {
    // we simply use position in list as ID for events
    return position;
  }

  @Override
  public View getView(int position, View v, ViewGroup parent) {
    QuickTransactionLogEntry tx;
    tx = _txList.get(position);
    // read setting value
    boolean showFullTxData = (itemExpandedStateMap.get(position, false));

    // if (v == null) {
    LayoutInflater mInflater = (LayoutInflater) _context
        .getSystemService(Activity.LAYOUT_INFLATER_SERVICE);
    if (showFullTxData) {
      v = mInflater.inflate(
          R.layout.list_item_quick_transaction_expanded, null);
    } else {
      v = mInflater.inflate(R.layout.list_item_transaction_collapsed,
          null);
    }
    // }

    TextView timeStamp = (TextView) v
        .findViewById(R.id.txListItemTimestamp);
    TextView amount = (TextView) v.findViewById(R.id.txListItemAmount);

    if (tx.hasTime()) {
      timeStamp.setText(formatDateWithTime(tx.getTransactionTimestamp()));
    } else {
      timeStamp.setText(formatDateOnly(tx.getTransactionTimestamp()));
    }

    // TODO: we have 2 amounts, currently we simply display the larger one
    long txAmount = Math.max(tx.getAmount(), tx.getAmount2());
    amount.setText("-" + formatBalance(txAmount) + " " + tx.getCurrency());

    // only if the stated is expanded full tx data
    if (showFullTxData) {
      TextView atc = (TextView) v.findViewById(R.id.txListItemATC);
      TextView remainingBalance = (TextView) v
          .findViewById(R.id.txListItemRemainingBalance);
      TextView termInfo = (TextView) v
          .findViewById(R.id.txListItemTermInfo);
      TextView unknownByte = (TextView) v
          .findViewById(R.id.txListItemUnknownByte);
      TextView rawData = (TextView) v.findViewById(R.id.txListRawData);

      atc.setText(Integer.toString(tx.getAtc()));
      remainingBalance.setText(formatBalance(tx.getRemainingBalance())
          + " " + tx.getCurrency());
      termInfo.setText(Long.toString(tx.getTerminalInfos1()) + " / "
          + Long.toString(tx.getTerminalInfos2()));
      unknownByte.setText("0x"+byte2Hex(tx.getUnknownByte1()) + "  /  "
          + "0x"+byte2Hex(tx.getUnknownByte2()));
      rawData.setText(prettyPrintString(bytesToHex(tx.getRawEntry()), 2));
    }

    Animation animation;
    if (position == expandedElementId) {
      expandedElementId = -1;
      animation = new AlphaAnimation(0, 1);
      animation.setDuration(90);
      v.startAnimation(animation);
      animation = null;
    }
    return v;
  }

  /**
   * @param position
   */
  public void toggleItemExpandedState(int position) {

    // EXPAND:
    if (itemExpandedStateMap.get(position, false) == false) {
      expandedElementId = position;
      // and if we expanded an element collapse all other elements (so
      // that only 1 elements is expanded)
      for (int i = 0; i < itemExpandedStateMap.size(); i++) {
        if (i != position) {
          itemExpandedStateMap.put(i, false);
        }
      }
      itemExpandedStateMap.put(position, true);
    }

    // COLLAPSE:
    else {
      expandedElementId = -1;
      itemExpandedStateMap.put(position, false);
    }

    super.notifyDataSetChanged();
  }
}
Java Source Code List
