Android Open Source - FlangeAssist Wage C P I Estimate

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License

The source code is released under:

MIT License

Java Source Code

package com.atasoft.flangeassist.fragments;
//from w  w  w  .ja  va2 s. com
import android.os.*;
import android.support.v4.app.*;
import android.view.*;
import android.view.View.*;
import android.widget.*;
import com.atasoft.flangeassist.*;

public class WageCPIEstimate extends Fragment implements OnClickListener
{
    View thisFrag;
  boolean beenLoaded = false;
  
  @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    View v = inflater.inflate(R.layout.wage_estimate_layout, container, false);
        this.thisFrag = v;
    
    setupSpinners();
    //Log.w("pci estimate", "ran create view");
        return v;
    }
  
  @Override
  public void onResume() {
    super.onResume();
  }

    @Override
    public void onClick(View v) {
        switch (v.getId()) {
      case R.id.cpi_send:
        sendPush();
        break;
        }
    }

  //Calculates and holds the wage increase values when given CPI (Canada Price Index) rate and WTC (West Texas Crude) Price
  public class CPIHolder {
    public float cpiRate;
    public float oilPrice;
    public float wageRate;
    public float wageAnnualRate;
    public float wageAnnualCapped;
    public float wageIncrease;
    public float finalWage;
    public float oilBonus;
    public float semiAnnualCapped;
    public String flagStrings;
    
    //These values updates as contracts change
    private final float[] oilBrackets = {0, 60, 90, 110, 125};
    private final float[] oilBonuses = {0, 0, 0.005f, 0.01f, 0.015f};
    private final float annualCap = 0.05f;  //Annual rate increase cannot exceed 5%
    
    public void calcRate(float cpiRateIn, float oilPriceIn, float wageRate){
      this.cpiRate = cpiRateIn;
      this.oilPrice = oilPriceIn;
      this.wageRate = wageRate;
      this.flagStrings = "";
      
      if(oilPrice < oilBrackets[1]){  //If oil is lower than 60 no increase at all
        this.cpiRate = 0f;
        this.oilBonus = 0f;
        this.flagStrings = String.format("If West Texas Crude is below %.0f$/BBL there is no wage Increase.", oilBrackets[1]);
      } else {
        this.oilBonus = (oilPrice > oilBrackets[4] ? oilBonuses[4] : 
                oilPrice > oilBrackets[3] ? oilBonuses[3] :
                oilPrice > oilBrackets[2] ? oilBonuses[2] : 
                oilBonuses[1]);
      }
      
      this.wageAnnualRate = oilBonus + cpiRate;
      this.wageAnnualCapped = wageAnnualRate;
      if(wageAnnualRate > annualCap) {
        flagStrings += flagStrings == "" ? "" : "\n";
        this.flagStrings += "Total raise cannot exceed 5% in a year.";
        this.wageAnnualCapped = annualCap;
      }
      //semi-annual only capped to annualcap not annualcap/2 by contract
      this.semiAnnualCapped = wageAnnualRate / 2 < annualCap ? wageAnnualRate / 2 : annualCap;
      this.wageIncrease = wageRate * semiAnnualCapped;
      this.finalWage = wageRate + wageIncrease;
      
      return;
      
    }
  }
  
  private Button cpiSend;
  private EditText cpiWageEdit;
  private NumberPicker cpiRatePick;
  private NumberPicker wtcPricePick;
  private String[] cpiValStrings;
  private String[] wtcValStrings;
  //private TextView textStartWage;
  private TextView textAnnualRate;
  private TextView textSemiRate;
  private TextView textSemiAmount;
  private TextView textFinalWage;
  private TextView textMessages;
  
  CPIHolder cpiHolder;
  private void setupSpinners() {
    this.cpiWageEdit = (EditText) thisFrag.findViewById(R.id.cpi_wageedit);
    cpiWageEdit.setText("58");
    
    this.cpiHolder = new CPIHolder();
    this.cpiSend = (Button) thisFrag.findViewById(R.id.cpi_send);
    cpiSend.setOnClickListener(this);
    this.cpiRatePick = (NumberPicker) thisFrag.findViewById(R.id.cpi_picker);
    this.wtcPricePick = (NumberPicker) thisFrag.findViewById(R.id.wtc_picker);
    this.textAnnualRate = (TextView) thisFrag.findViewById(R.id.cpi_rateannual);
    this.textSemiRate = (TextView) thisFrag.findViewById(R.id.cpi_ratesemi);
    this.textSemiAmount = (TextView) thisFrag.findViewById(R.id.cpi_amountsemi);
    this.textFinalWage = (TextView) thisFrag.findViewById(R.id.cpi_ratefinal);
    this.textMessages = (TextView) thisFrag.findViewById(R.id.cpi_messages);
    //this.textStartWage = (TextView) thisFrag.findViewById(R.id.cpi_wageval);
  
    this.cpiValStrings = makePickerVals(cpiRatePick, "CPI Rate", "%.1f%%", 0f, 10f, 0.1f);    
    this.wtcValStrings = makePickerVals(wtcPricePick, "Oil Price", "%.0f$", 30f, 200f, 1f);
    
    cpiRatePick.setValue(28); //2.7
    wtcPricePick.setValue(81); //110
    
    sendPush();
    return;
  }
  
  //Populates a number picker with range and interval specified and returns the String Array
  private String[] makePickerVals(NumberPicker picker, String pickName, String formatStr, float floor, float ceiling, float interval){
    int pickLength = (int) ((ceiling - floor) / interval + 2);
    //Log.w("FlangeAssist WageCPIEstimate", String.format("floor: %.2f, ceiling: %.2f, interval: %.2f, pickLength: %2d", floor, ceiling, interval, pickLength)); 
    pickLength = pickLength > 0 ? pickLength : 1;
    String[] pickStrings = new String[pickLength];
    pickStrings[0] = pickName;
    
    //expand later if more precision needed
    
    float floatCount = floor;
    if(pickLength > 0){
      for(int i = 1; i<pickLength; i++) {
        pickStrings[i] = String.format(formatStr, floatCount);
        floatCount += interval;
        //Log.w("FlangeAssist WageCPIEstimate", String.format("Added %s in position %2d", pickStrings[i], i));
      }
    }
    
    picker.setMaxValue(pickStrings.length - 1);
    picker.setMinValue(0);
    picker.setDisplayedValues(pickStrings);
    
    return pickStrings;
  }
  
  private float cpiVal;
  private float wtcVal;
  private float wageVal;
  private void sendPush() {
    parseWageInput();
    updatePickerVals();
    cpiHolder.calcRate(cpiVal, wtcVal, wageVal);  
    updateText();
  }
  
  public void updatePickerVals() throws NumberFormatException {
    try{
      this.cpiVal = Float.parseFloat(cpiValStrings[cpiRatePick.getValue()].replace("%", "")) / 100;
      this.wtcVal = Float.parseFloat(wtcValStrings[wtcPricePick.getValue()].replace("$", ""));
    } catch (NumberFormatException e) {
      this.cpiVal = 0;
      this.wtcVal = 0;
      Toast.makeText(getActivity(), "Error parsing NumberPicker values.", Toast.LENGTH_SHORT).show();
    }
  }
  
  public void parseWageInput() throws NumberFormatException {
    try{
      this.wageVal = Float.parseFloat(cpiWageEdit.getText().toString());
    } catch (NumberFormatException e) {
      Toast.makeText(getActivity(), "Wage Input is Invalid.", Toast.LENGTH_SHORT).show();
      this.wageVal = 0f;
    }
  }
  
  private void updateText() {
    textAnnualRate.setText(String.format("Potential Annual Increase: %.1f%%", cpiHolder.wageAnnualCapped * 100));
    textSemiRate.setText(String.format("6 Month Increase: %.1f%%", cpiHolder.semiAnnualCapped * 100));
    textSemiAmount.setText(String.format("6 Month Raise: %.2f$", cpiHolder.wageIncrease));
    textFinalWage.setText(String.format("Adjusted Wage: %.2f$/hr", cpiHolder.finalWage));
    textMessages.setText(cpiHolder.flagStrings);
  }
}

Java Source Code List

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