Android Open Source - FlangeAssist Shape Calc Frag

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Back to project page FlangeAssist.
License

The source code is released under:
MIT License
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Java Source Code

package com.atasoft.flangeassist.fragments;
//from   w  w w .j a  v a2 s.c om
import android.os.*;
import android.support.v4.app.*;
import android.util.Log;
import android.view.*;
import android.widget.*;

import com.atasoft.flangeassist.*;
import com.atasoft.helpers.*;

import android.text.*;

public class ShapeCalcFrag extends Fragment //implements OnClickListener
{
  View thisFrag;

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
               Bundle savedInstanceState) {

        thisFrag = inflater.inflate(R.layout.shape_calc , container, false);
    setupShapeSpinners();
        setEditListeners();
    return thisFrag;
    }

  private void setEditListeners(){
    for(int i=0; i < shapeInArr.length; i++){
      shapeInArr[i].addTextChangedListener(new TextWatcher(){
          @Override
          public void afterTextChanged(Editable s){
            updateShapeCalc();
          }
          @Override
          public void beforeTextChanged(CharSequence s, int start, int count, int after){}
          @Override
          public void onTextChanged(CharSequence s, int start, int count, int after){}
        });
    }
  }

  //--------------------Shape Calc Functions----------------
  ShapeCalcHold shapeCalc;
  Spinner shapeTypeSpin;
  ImageView shapeImage;
  TextView shapeVolBox;
  TextView shapeSurfBox;
  EditText[] shapeInArr;
  TextView[] shapeLabelArr;
  private void setupShapeSpinners(){
    this.shapeCalc = new ShapeCalcHold();
    this.shapeTypeSpin = (Spinner) thisFrag.findViewById(R.id.shapecalc_typeSpin);
    this.shapeImage = (ImageView) thisFrag.findViewById(R.id.shapecalc_image);
    this.shapeInArr = new EditText[3];
    this.shapeInArr[0] = (EditText) thisFrag.findViewById(R.id.shapecalc_input1);
    this.shapeInArr[1] = (EditText) thisFrag.findViewById(R.id.shapecalc_input2);
    this.shapeInArr[2] = (EditText) thisFrag.findViewById(R.id.shapecalc_input3);
    this.shapeLabelArr = new TextView[3];
    this.shapeLabelArr[0] = (TextView) thisFrag.findViewById(R.id.shapecalc_label1);
    this.shapeLabelArr[1] = (TextView) thisFrag.findViewById(R.id.shapecalc_label2);
    this.shapeLabelArr[2] = (TextView) thisFrag.findViewById(R.id.shapecalc_label3);
    this.shapeVolBox = (TextView) thisFrag.findViewById(R.id.shapecalc_volbox);
    this.shapeSurfBox = (TextView) thisFrag.findViewById(R.id.shapecalc_surfbox);    

    ArrayAdapter<String> typeAdapter = new ArrayAdapter<String>(getActivity(), android.R.layout.simple_spinner_item, ShapeCalcHold.SHAPE_TYPES);
    shapeTypeSpin.setAdapter(typeAdapter);

    shapeTypeSpin.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
            public void onItemSelected(AdapterView<?> parent, View view, int pos, long id) {
          refreshShapeFields();
          updateShapeCalc();
        }
        public void onNothingSelected(AdapterView<?> parent) {}
      });
    refreshShapeFields();
    for(int i=0; i < shapeInArr.length; i++){
      shapeInArr[i].setText("0");
    }

    return;
  }

  String selectedShape;
  private void refreshShapeFields(){
    this.selectedShape = (String) shapeTypeSpin.getSelectedItem();
    String[] labelStrings = shapeCalc.getLabelStrings(selectedShape);
    shapeImage.setImageResource(getImageResource(selectedShape));
    for(int i=0; i < shapeLabelArr.length; i++){
      if(i+1 > labelStrings.length) {
        shapeLabelArr[i].setText("");
        shapeInArr[i].setEnabled(false);
      } else {
        shapeInArr[i].setEnabled(true);
        shapeLabelArr[i].setText(labelStrings[i]);
      }
    }

  }

  //rather put this here and not have to pass resources to shapecalchold
  private int getImageResource(String stringType){
    int type = shapeCalc.getType(stringType);
    int resID;
    switch(type){
      case 0:  //Cylinder
        resID = R.drawable.shape_cyl;
        break;
      case 1:  //Sphere
        resID = R.drawable.shape_sph;
        break;
      case 2:  //Box
        resID = R.drawable.shape_box;
        break;
      case 3:  //Rectangle
        resID = R.drawable.shape_rec;
        break;
      default: //Circle
        resID = R.drawable.shape_circ;
        break;
    }
    return resID;
  }

  private void updateShapeCalc(){
    this.selectedShape = (String) shapeTypeSpin.getSelectedItem();
    double[] vals = new double[]{0d,0d,0d};

    for(int i=0; i < shapeInArr.length; i++){
      vals[i]= getDoubleFromEdit(shapeInArr[i]);
    }
    String[] outputs = shapeCalc.getValues(selectedShape, vals);
    shapeVolBox.setText(outputs[0]);
    shapeSurfBox.setText(outputs[1]);
  }

  private double getDoubleFromEdit(EditText eText){
    double retDouble;
    try{
      retDouble = Double.parseDouble(eText.getText().toString());
    } catch (NumberFormatException e){
      Log.e("UnitConFragment", "Can't parse double in shapeCalc input.");
      return 0d;
    }

    return retDouble;
  }  
}
Java Source Code List
