Android Open Source - FirstTipCalc Ratio Share Adapter

• Back to Calculator/tip  ↑

From Project

Back to project page FirstTipCalc.

License

The source code is released under:

Apache License

Java Source Code

/**
 * Copyright 2014 ReliQ Artz/*w ww  . ja v a 2s.  c o m*/
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.reliqartz.firsttipcalc.gui;

import java.util.ArrayList;

import com.reliqartz.firsttipcalc.R;
import com.reliqartz.firsttipcalc.utils.FontLibrary;

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

/**
 * Adapter for ratios.
 * @author Patrick Reid
 */
public class RatioShareAdapter extends BaseAdapter {
  
  private ArrayList<Share> mShares; 
  private Context mContext;
  private int mFinalRatioSplit;
  private int[] mRatios;
  private double mFinalBill;
  
  RatioShareAdapter(Context context, int[] ratios, double finalBill) {
    mContext = context;
    mRatios = ratios;
    mFinalBill = finalBill;
    mShares = new ArrayList<Share>();
    for (int i=0; i < mRatios.length; i++) {
      mFinalRatioSplit += mRatios[i];
    }
    for (int ratio: mRatios) {
      mShares.add(new Share(ratio, mFinalBill/mFinalRatioSplit*ratio));
    }
  }  
  
  @Override
  public int getCount() {
    return mShares.size();
  }

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

  @Override
  public long getItemId(int position) {
    return position;
  }

  @Override
  public View getView(int position, View convertView, ViewGroup parent) {
    View row = convertView;
    ViewHolder holder = null;
    if (row == null) {
      LayoutInflater inflater = (LayoutInflater) mContext
          .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
      row = inflater.inflate(R.layout.list_item_share, parent, false);
      holder = new ViewHolder(row);
      row.setTag(holder);
      //Log.v(TAG, "creating new row..");
    } else {
      holder = (ViewHolder) row.getTag();
      //Log.v(TAG, "recycling row...");
    }
    holder.shareWeight.setText("Share " + mShares.get(position).weight
        + ": ");
    holder.shareValue.setText(String.format("%s%.2f",
        MainActivity.sCurrencySymbol, mShares.get(position).value));
    return row;
  }
  
  /**
   * A single ratio share.
   * @author Patrick Reid
   */
  private class Share {
    int weight;
    double value;
    Share(int weight, double value) {
      this.weight = weight;
      this.value = value;
    }
  }
  
  /**
   * View holder for single row.
   * @author Patrick Reid
   */
  class ViewHolder {
    TextView shareWeight, shareValue;
    ViewHolder(View v) {
      shareWeight = (TextView) v.findViewById(R.id.shareTextView);
      shareWeight.setTypeface(FontLibrary.getFont(FontLibrary.ROBOTO_LIGHT, mContext));
      shareValue = (TextView) v.findViewById(R.id.valueTextView);
    }
  }
}

Java Source Code List

• Back to Calculator/tip  ↑