PC Online 1997 October/PCO1097.ISO/FilesBBS/FREI/CONVERS.EXE/unitPanel.class

Java Class File | 1997-08-21 | 4.1 KB | 188 lines

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.Container;
import java.awt.Event;
import java.awt.Font;
import java.awt.GridLayout;
import java.awt.Label;
import java.awt.List;
import java.awt.Panel;
import java.awt.TextArea;
import java.awt.TextField;

class unitPanel extends Panel {
   units owner;
   String name;
   unitDatum[] array;
   Panel topPanel;
   Panel inputPanel;
   Panel choicePanel;
   TextArea output;
   TextField inputVal;
   List inputUnit;

   public boolean mouseEnter(Event var1, int var2, int var3) {
      return this.owner.mouseEnter(var1, var2, var3);
   }

   void process() {
      String var1 = "";
      int var2 = this.inputUnit.getSelectedIndex();
      double var3 = this.array[var2].m;
      double var5 = this.array[var2].b;
      double var7 = Double.valueOf(this.inputVal.getText());
      var1 = var1 + this.stringFormat(this.name + " Output Values", this.name + " Output Units");
      var1 = var1 + this.stringFormat("---------------------------", "---------------------------");

      for(int var9 = 0; var9 < this.array.length; ++var9) {
         double var10 = this.array[var9].m;
         double var12 = this.array[var9].b;
         double var14 = (var7 - var5) / var3 * var10 + var12;
         var1 = var1 + this.stringFormat(this.doubleToString(var14), this.array[var9].name);
      }

      var1 = var1 + "\n " + this.owner.noClicks;
      this.output.setText(var1);
   }

   String stringFormat(String var1, String var2) {
      while(var1.length() < 30) {
         var1 = var1 + " ";
      }

      return " " + var1 + var2 + "\n";
   }

   public boolean mouseExit(Event var1, int var2, int var3) {
      return this.owner.mouseExit(var1, var2, var3);
   }

   String doubleToString(double var1) {
      String var3 = "";
      String var4 = var1 < (double)0.0F ? "-" : " ";
      var1 = Math.abs(var1);
      double var5;
      int var7;
      if (var1 == (double)0.0F) {
         var7 = 0;
         var5 = (double)0.0F;
      } else {
         var7 = (int)(Math.log(var1) / Math.log((double)10.0F));
         var5 = var1 * Math.pow((double)10.0F, (double)(-var7)) + 5.0E-16;
         if ((int)var5 > 9) {
            var5 /= (double)10.0F;
            ++var7;
         }

         if ((int)var5 < 1) {
            var5 *= (double)10.0F;
            --var7;
         }
      }

      boolean var8 = var7 >= -2 && var7 <= 3;
      if (var8 && var7 < 0) {
         var3 = var3 + "0.";

         for(int var9 = var7; var9 < -1; ++var9) {
            var3 = var3 + "0";
         }
      }

      int var17 = 0;

      do {
         int var10 = (int)var5;
         var5 -= (double)var10;
         var5 *= (double)10.0F;
         var3 = var3 + "" + var10;
         if (var8) {
            if (var17 == var7) {
               var3 = var3 + ".";
            }
         } else if (var17 == 0) {
            var3 = var3 + ".";
         }

         ++var17;
      } while(var17 < 15);

      int var19 = 14;

      do {
         var17 = var3.endsWith("0") || var3.endsWith(".");
         if (var17) {
            var3 = var3.substring(0, var3.length() - 1);
         }

         if (var8 && var19 <= var7) {
            var17 = 0;
         }

         --var19;
      } while(var17);

      String var11 = "E" + ((double)var7 < (double)0.0F ? "-" : "+");
      var7 = Math.abs(var7);

      String var12;
      for(var12 = "" + var7; var12.length() < 2; var12 = "0" + var12) {
      }

      if (var8) {
         var3 = var4 + var3;
      } else {
         var3 = var4 + var3 + var11 + var12;
      }

      return var3;
   }

   public boolean action(Event var1, Object var2) {
      this.process();
      return true;
   }

   public boolean mouseDown(Event var1, int var2, int var3) {
      return this.owner.mouseDown(var1, var2, var3);
   }

   unitPanel(String var1, unitDatum[] var2, units var3) {
      this.owner = var3;
      this.name = var1;
      ((Container)this).add(new Label(var1));
      this.array = var2;
      ((Container)this).setLayout(new BorderLayout());
      this.inputPanel = new Panel();
      this.inputPanel.setLayout(new GridLayout(2, 1));
      this.choicePanel = new Panel();
      this.choicePanel.setLayout(new GridLayout(1, 1));
      this.topPanel = new Panel();
      this.topPanel.setLayout(new GridLayout(1, 2));
      this.topPanel.add(this.inputPanel);
      this.topPanel.add(this.choicePanel);
      this.inputPanel.add(new Label("Enter " + this.name + " input value and units", 1));
      this.inputPanel.add(this.inputVal = new TextField(12));
      this.inputUnit = new List();

      for(int var4 = 0; var4 < this.array.length; ++var4) {
         this.inputUnit.addItem(this.array[var4].name, var4);
      }

      this.inputUnit.setBackground(Color.white);
      this.choicePanel.add(this.inputUnit);
      ((Container)this).add("North", this.topPanel);
      this.output = new TextArea();
      this.output.setEditable(false);
      this.output.setBackground(Color.white);
      this.output.setFont(new Font("Courier", 0, 12));
      ((Container)this).add("Center", this.output);
      this.inputVal.setText("1");
      this.inputUnit.select(0);
      this.process();
      ((Component)this).show();
      this.inputUnit.makeVisible(0);
   }
}