2016-03-15 04:40:57 +00:00
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package com.bytezone.diskbrowser.visicalc;
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2017-03-16 00:27:45 +00:00
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import com.bytezone.diskbrowser.visicalc.Cell.CellType;
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2017-02-18 09:54:24 +00:00
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public class Npv extends Function
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2016-03-15 04:40:57 +00:00
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{
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2017-03-08 09:18:59 +00:00
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private final String valueText;
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private final String rangeText;
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private final Expression rateExp;
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2017-02-18 09:54:24 +00:00
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private final Range range;
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2016-03-15 04:40:57 +00:00
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2017-03-18 08:33:40 +00:00
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Npv (Cell cell, String text)
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2016-03-15 04:40:57 +00:00
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{
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2017-03-18 08:33:40 +00:00
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super (cell, text);
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2017-03-03 23:41:08 +00:00
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2017-03-08 09:18:59 +00:00
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int pos = text.indexOf (',');
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valueText = text.substring (5, pos);
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rangeText = text.substring (pos + 1, text.length () - 1);
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2017-03-14 11:28:52 +00:00
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rateExp = new Expression (parent, cell, valueText);
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2017-03-15 00:41:45 +00:00
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range = new Range (parent, cell, rangeText);
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2016-03-15 04:40:57 +00:00
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2017-03-08 09:18:59 +00:00
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values.add (rateExp);
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2016-03-15 04:40:57 +00:00
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}
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@Override
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2017-02-28 20:39:26 +00:00
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public void calculate ()
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2016-03-15 04:40:57 +00:00
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{
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2016-03-16 06:15:39 +00:00
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value = 0;
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2016-03-16 19:32:25 +00:00
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valueType = ValueType.VALUE;
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2016-03-15 04:40:57 +00:00
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2017-03-08 09:18:59 +00:00
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rateExp.calculate ();
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if (!rateExp.isValueType (ValueType.VALUE))
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{
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valueType = rateExp.getValueType ();
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return;
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}
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double rate = 1 + rateExp.getValue ();
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int period = 0;
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2016-03-15 04:40:57 +00:00
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for (Address address : range)
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{
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2017-03-08 09:18:59 +00:00
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++period;
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2016-03-15 04:40:57 +00:00
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Cell cell = parent.getCell (address);
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2017-03-16 00:27:45 +00:00
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if (cell.isCellType (CellType.EMPTY))
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2016-03-16 06:15:39 +00:00
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continue;
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2017-02-25 03:56:22 +00:00
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if (!cell.isValueType (ValueType.VALUE))
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2016-03-15 04:40:57 +00:00
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{
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2017-02-25 03:56:22 +00:00
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valueType = cell.getValueType ();
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2017-03-08 09:18:59 +00:00
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return;
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2016-03-15 04:40:57 +00:00
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}
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2016-03-16 06:15:39 +00:00
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2017-03-08 09:18:59 +00:00
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value += cell.getValue () / Math.pow (rate, period);
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2016-03-15 04:40:57 +00:00
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}
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}
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}
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