Android Open Source - bgrates Currency List Adapter

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License

The source code is released under:

MIT License

Java Source Code

/*
 * The MIT License//w ww  . j a v  a  2 s .c o m
 * 
 * Copyright (c) 2010 Petar Petrov
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package net.vexelon.bgrates;

import java.math.BigDecimal;
import java.util.List;

import net.vexelon.bgrates.R;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.TextView;

public class CurrencyListAdapter extends ArrayAdapter<CurrencyInfo> {
  
  private List<CurrencyInfo> _items;
  
  public CurrencyListAdapter(Context context, int textViewResId, List<CurrencyInfo> items) {
    super(context, textViewResId, items);
    this._items = items;
  }
  
  @Override
  public View getView(int position, View convertView, ViewGroup parent) {
    
    View v = convertView;
    if ( v == null ) {
      LayoutInflater li = (LayoutInflater) getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
      v = li.inflate(R.layout.currency_row_layout, null);
    }
    
    // set texts
    CurrencyInfo ci = _items.get(position);
    if ( ci != null ) {
      
      setResText(v, R.id.name, ci.getName());
      setResText(v, R.id.code, ci.getCode());
      setResText(v, R.id.ratio, ci.getRatio());
      
      BigDecimal rate = new BigDecimal(ci.getRate());
      String rateFull = Utils.scaleNumber(rate, Defs.SCALE_SHOW_LONG);
      setResText(v, R.id.rate, rateFull.substring(0, rateFull.length() - 3) );
      setResText(v, R.id.rate_decimals, rateFull.substring(rateFull.length() - 3, rateFull.length()) );
//      setResText(v, R.id.rate,
//          ci.getRate().length() > Defs.MAX_RATE_CHARS_SIZE ? ci.getRate().subSequence(0, Defs.MAX_RATE_CHARS_SIZE) : ci.getRate()
//          );
      
      // country ID icon
      ImageView icon = (ImageView) v.findViewById(R.id.icon);
      int imgId = ExchangeRate.getResourceFromCode(ci);
      if ( imgId != -1 ) {
        icon.setImageResource(imgId);
//        icon.setScaleType(ScaleType.FIT_XY);
//        icon.setAdjustViewBounds(true);
//        android.widget.RelativeLayout.LayoutParams lp = new RelativeLayout.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
//        lp.addRule(RelativeLayout.ALIGN_PARENT_LEFT|RelativeLayout.CENTER_VERTICAL);
//        icon.setLayoutParams(lp);
      }    
      
      // add tendency icon
      ImageView tendencyIcon = (ImageView) v.findViewById(R.id.tendency);
      tendencyIcon.setImageResource(ExchangeRate.getResourceFromTendency(ci.getTendency()));
    }
    
    return v;
  }

  private void setResText(View v, int id, CharSequence text) {
    TextView tx = (TextView)v.findViewById(id);
    if ( tx != null )
      tx.setText(text);
  }  
  
}

Java Source Code List

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