2017-03-19 23:21:10 +00:00
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package com.bytezone.diskbrowser.visicalc;
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public abstract class ValueFunction extends Function
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{
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2017-03-20 01:45:14 +00:00
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protected Value source;
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2017-03-25 08:02:02 +00:00
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abstract double calculateValue ();
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2017-03-19 23:21:10 +00:00
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ValueFunction (Cell cell, String text)
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{
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super (cell, text);
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source = cell.getExpressionValue (functionText);
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values.add (source);
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}
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@Override
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public void calculate ()
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{
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2017-03-23 13:30:41 +00:00
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valueResult = ValueResult.VALID;
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2017-03-19 23:21:10 +00:00
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source.calculate ();
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2017-03-23 13:30:41 +00:00
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if (!source.isValid ())
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2017-03-19 23:21:10 +00:00
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{
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2017-03-23 13:30:41 +00:00
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valueResult = source.getValueResult ();
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2017-03-19 23:21:10 +00:00
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return;
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}
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2017-03-20 01:45:14 +00:00
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value = calculateValue ();
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2017-03-23 13:30:41 +00:00
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if (Double.isNaN (value))
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valueResult = ValueResult.ERROR;
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2017-03-19 23:21:10 +00:00
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}
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2017-03-23 13:30:41 +00:00
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@Override
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public String getType ()
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{
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return "ValueFunction";
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}
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2017-03-19 23:21:10 +00:00
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}
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