2017-02-25 03:56:22 +00:00
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package com.bytezone.diskbrowser.visicalc;
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import java.text.DecimalFormat;
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public class Format
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{
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private static final DecimalFormat nf = new DecimalFormat ("#####0.00");
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2017-02-27 09:41:05 +00:00
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static String format (Value value, char formatChar, int colWidth)
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2017-02-25 03:56:22 +00:00
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{
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2017-02-28 20:39:26 +00:00
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double actualValue = value.getValue ();
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if (actualValue == -0.0)
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actualValue = 0;
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2017-02-25 03:56:22 +00:00
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2017-02-28 20:39:26 +00:00
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switch (formatChar)
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2017-02-25 03:56:22 +00:00
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{
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2017-02-28 20:39:26 +00:00
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case 'L':
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case 'R':
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case ' ':
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// this could be improved
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String numberFormat = String.format ("%%%d.5f", colWidth + 6);
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String val = String.format (numberFormat, actualValue);
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while (val.endsWith ("0"))
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val = val.substring (0, val.length () - 1);
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if (val.endsWith ("."))
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val = val.substring (0, val.length () - 1);
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if (val.startsWith ("0."))
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val = val.substring (1);
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if (val.length () > colWidth)
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val = val.substring (val.length () - colWidth);
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// System.out.printf ("len:%d fmt: %s%n", val.length (), formatChar);
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if (val.startsWith (" ") && formatChar == 'L')
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{
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String leftFormat = String.format ("%%-%ds", colWidth);
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val = String.format (leftFormat, val.trim ());
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}
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return val;
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case 'I':
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String integerFormat = String.format ("%%%d.0f", colWidth);
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String result = String.format (integerFormat, actualValue);
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if (result.length () > colWidth)
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return ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>".substring (0, colWidth);
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return result;
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case '$':
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String currencyFormat = String.format ("%%%d.%ds", colWidth, colWidth);
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return String.format (currencyFormat, nf.format (actualValue));
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case '*':
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String graphFormat = String.format ("%%-%d.%ds", colWidth, colWidth);
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// this is not finished
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return String.format (graphFormat, "********************");
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default:
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System.out.printf ("[%s]%n", formatChar);
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return "??????????????????????".substring (0, colWidth);
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2017-02-25 03:56:22 +00:00
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}
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}
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2017-02-27 09:41:05 +00:00
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static String justify (String text, int colWidth, char format)
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2017-02-25 03:56:22 +00:00
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{
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// right justify
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if (format == 'R' || format == '$' || format == 'I')
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{
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String labelFormat = String.format ("%%%d.%ds", colWidth, colWidth);
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return (String.format (labelFormat, text));
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}
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// left justify
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String labelFormat = String.format ("%%-%d.%ds", colWidth, colWidth);
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return (String.format (labelFormat, text));
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}
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}
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