dmolony-DiskBrowser/src/com/bytezone/diskbrowser/visicalc/Sum.java

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package com.bytezone.diskbrowser.visicalc;
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class Sum extends Function
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{
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private final Range range;
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public Sum (Sheet parent, String text)
{
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super (parent, text);
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range = getRange (text);
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}
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@Override
public void calculate ()
{
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value = 0;
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for (Address address : range)
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{
Cell cell = parent.getCell (address);
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if (cell == null)
continue;
if (cell.isError () || cell.isNaN ())
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{
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isError = true;
break;
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}
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value += cell.getValue ();
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}
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}
}