423 lines
13 KiB
Java
423 lines
13 KiB
Java
package com.bytezone.diskbrowser.visicalc;
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import java.util.Iterator;
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// -----------------------------------------------------------------------------------//
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class Cell implements Value, Comparable<Cell>
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// -----------------------------------------------------------------------------------//
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{
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private static final String empty = " ";
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private final Address address;
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private final Sheet parent;
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private String fullText;
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private char cellFormat = ' ';
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private String repeat = "";
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private boolean calculated;
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private CellType cellType;
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private String repeatingText; // CellType.FILLER
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private String label; // CellType.LABEL
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private Value value; // CellType.VALUE
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enum CellType
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{
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LABEL, FILLER, VALUE, EMPTY
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}
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// ---------------------------------------------------------------------------------//
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Cell (Sheet parent, Address address)
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// ---------------------------------------------------------------------------------//
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{
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this.parent = parent;
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this.address = address;
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cellType = CellType.EMPTY;
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}
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// ---------------------------------------------------------------------------------//
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void setFormat (String formatText)
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// ---------------------------------------------------------------------------------//
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{
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if (formatText.startsWith ("/T")) // lock titles
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return;
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if (formatText.startsWith ("/F"))
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{
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cellFormat = formatText.charAt (2);
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return;
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}
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if (formatText.startsWith ("/-"))
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{
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assert cellType == CellType.EMPTY;
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repeatingText = formatText.substring (2);
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for (int i = 0; i < 20; i++)
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repeat += repeatingText;
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cellType = CellType.FILLER;
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return;
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}
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System.out.printf ("Unexpected format [%s]%n", formatText);
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}
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// ---------------------------------------------------------------------------------//
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void setValue (String valueText)
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// ---------------------------------------------------------------------------------//
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{
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assert cellType == CellType.EMPTY;
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if (!valueText.isEmpty () && valueText.charAt (0) == '"')
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{
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label = valueText.substring (1);
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cellType = CellType.LABEL;
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}
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else
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{
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fullText = valueText;
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cellType = CellType.VALUE;
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try
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{
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value = new Expression (this, fullText).reduce ();
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}
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catch (IllegalArgumentException e)
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{
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value = new Error (this, "@ERROR");
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}
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}
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if (false)
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setTestData (0);
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}
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// ---------------------------------------------------------------------------------//
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void reset ()
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// ---------------------------------------------------------------------------------//
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{
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calculated = false;
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}
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// ---------------------------------------------------------------------------------//
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Value getExpressionValue (String text)
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// ---------------------------------------------------------------------------------//
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{
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return new Expression (this, text).reduce ();
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}
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// ---------------------------------------------------------------------------------//
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boolean isCellType (CellType cellType)
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// ---------------------------------------------------------------------------------//
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{
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return this.cellType == cellType;
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}
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// ---------------------------------------------------------------------------------//
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Address getAddress ()
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// ---------------------------------------------------------------------------------//
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{
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return address;
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}
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// ---------------------------------------------------------------------------------//
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// format cell value for output
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String getFormattedText (int colWidth, char globalFormat)
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// ---------------------------------------------------------------------------------//
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{
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char fmtChar = cellFormat != ' ' ? cellFormat : globalFormat;
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switch (cellType)
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{
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case LABEL:
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if (fmtChar != 'R')
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fmtChar = 'L';
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return Format.justify (label, colWidth, fmtChar);
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case FILLER:
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return Format.justify (repeat, colWidth, ' ');
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case EMPTY:
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return Format.justify (empty, colWidth, ' ');
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case VALUE:
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switch (getValueResult ())
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{
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case ERROR:
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case NA:
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if (fmtChar == ' ')
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fmtChar = 'R';
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return " " + Format.justify (value.getText (), colWidth - 1, fmtChar);
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case VALID:
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switch (getValueType ())
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{
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case BOOLEAN:
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if (fmtChar != 'L')
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fmtChar = 'R';
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return Format.justify (value.getText (), colWidth, fmtChar);
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case NUMBER:
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if (colWidth == 1)
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return ".";
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return " " + Format.format (value, fmtChar, colWidth - 1);
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default:
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assert false;
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return "Impossible";
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}
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default:
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assert false;
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return "Impossible";
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}
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default:
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assert false;
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return "impossible";
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}
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}
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// ---------------------------------------------------------------------------------//
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// Sheet convenience methods
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// ---------------------------------------------------------------------------------//
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// ---------------------------------------------------------------------------------//
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Cell getCell (Address address)
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// ---------------------------------------------------------------------------------//
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{
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return parent.getCell (address);
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}
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// ---------------------------------------------------------------------------------//
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Cell getCell (String addressText)
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// ---------------------------------------------------------------------------------//
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{
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return parent.getCell (addressText);
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}
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// ---------------------------------------------------------------------------------//
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boolean cellExists (Address address)
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// ---------------------------------------------------------------------------------//
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{
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return parent.cellExists (address);
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}
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// ---------------------------------------------------------------------------------//
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Function getFunction (String text)
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// ---------------------------------------------------------------------------------//
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{
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return parent.getFunction (this, text);
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}
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// ---------------------------------------------------------------------------------//
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// Value interface methods
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// ---------------------------------------------------------------------------------//
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// ---------------------------------------------------------------------------------//
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@Override
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public void calculate ()
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// ---------------------------------------------------------------------------------//
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{
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if (cellType == CellType.VALUE && !calculated)
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{
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value.calculate ();
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calculated = true;
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}
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}
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// ---------------------------------------------------------------------------------//
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@Override
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public boolean isValid ()
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// ---------------------------------------------------------------------------------//
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{
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return cellType == CellType.VALUE ? value.isValid () : true;
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}
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// ---------------------------------------------------------------------------------//
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@Override
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public ValueType getValueType ()
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// ---------------------------------------------------------------------------------//
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{
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return cellType == CellType.VALUE ? value.getValueType () : ValueType.NUMBER;
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}
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// ---------------------------------------------------------------------------------//
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@Override
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public ValueResult getValueResult ()
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// ---------------------------------------------------------------------------------//
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{
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return cellType == CellType.VALUE ? value.getValueResult () : ValueResult.VALID;
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}
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// ---------------------------------------------------------------------------------//
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@Override
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public double getDouble ()
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// ---------------------------------------------------------------------------------//
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{
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return cellType == CellType.VALUE ? value.getDouble () : 0;
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}
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// ---------------------------------------------------------------------------------//
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@Override
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public boolean getBoolean ()
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// ---------------------------------------------------------------------------------//
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{
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return cellType == CellType.VALUE ? value.getBoolean () : false;
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}
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// ---------------------------------------------------------------------------------//
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@Override
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public String getText ()
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// ---------------------------------------------------------------------------------//
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{
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return cellType == CellType.VALUE ? value.getText () : "???";
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}
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// ---------------------------------------------------------------------------------//
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@Override
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public String getFullText ()
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// ---------------------------------------------------------------------------------//
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{
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switch (cellType)
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{
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case LABEL:
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return "LBL : " + label;
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case FILLER:
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return "RPT : " + repeatingText;
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case EMPTY:
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return "Empty Cell";
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case VALUE:
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return value.getFullText ();
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default:
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return "impossible";
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}
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}
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// ---------------------------------------------------------------------------------//
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@Override
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public String getType ()
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// ---------------------------------------------------------------------------------//
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{
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return "Cell " + address.getText ();
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}
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// ---------------------------------------------------------------------------------//
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@Override
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public int size ()
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// ---------------------------------------------------------------------------------//
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{
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return cellType == CellType.VALUE ? value.size () : 0;
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}
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// ---------------------------------------------------------------------------------//
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@Override
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public Iterator<Value> iterator ()
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// ---------------------------------------------------------------------------------//
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{
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return cellType == CellType.VALUE ? value.iterator () : null;
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}
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// ---------------------------------------------------------------------------------//
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// end of Value interface methods
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// ---------------------------------------------------------------------------------//
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// ---------------------------------------------------------------------------------//
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private void setTestData (int choice)
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// ---------------------------------------------------------------------------------//
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{
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// FUTURE.VC
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if (choice == 1)
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{
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System.out.println ("****** Hardcoded values ******");
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if (address.getRowKey () == 67)
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fullText = "1000";
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else if (address.getRowKey () == 131)
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fullText = "10.5";
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else if (address.getRowKey () == 195)
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fullText = "12";
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else if (address.getRowKey () == 259)
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fullText = "8";
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}
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// IRA.VC
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if (choice == 2)
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{
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System.out.println ("****** Hardcoded values ******");
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if (address.getRowKey () == 66)
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fullText = "10";
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else if (address.getRowKey () == 130)
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fullText = "30";
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else if (address.getRowKey () == 194)
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fullText = "65";
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else if (address.getRowKey () == 258)
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fullText = "1000";
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else if (address.getRowKey () == 386)
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fullText = "15";
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}
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// CARLOAN.VC
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if (choice == 3)
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{
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System.out.println ("****** Hardcoded values ******");
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if (address.getRowKey () == 67)
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fullText = "9375";
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else if (address.getRowKey () == 131)
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fullText = "4500";
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else if (address.getRowKey () == 195)
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fullText = "24";
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else if (address.getRowKey () == 259)
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fullText = "11.9";
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}
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}
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// ---------------------------------------------------------------------------------//
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@Override
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public int compareTo (Cell o)
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// ---------------------------------------------------------------------------------//
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{
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return address.compareTo (o.address);
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}
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// ---------------------------------------------------------------------------------//
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@Override
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public String toString ()
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// ---------------------------------------------------------------------------------//
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{
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String contents = "";
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String contents2 = "";
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String valueTypeText = "";
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String valueText = "";
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String line2 = "";
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String rest = "";
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switch (cellType)
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{
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case LABEL:
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contents = label;
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break;
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case FILLER:
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contents = repeatingText;
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break;
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case EMPTY:
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contents = "";
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break;
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case VALUE:
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contents = fullText;
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valueTypeText = value.getValueType () + "";
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rest = value.toString ();
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valueText = value.getText ();
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break;
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}
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if (contents.length () > 39)
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{
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contents2 = contents.substring (39);
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contents = contents.substring (0, 39);
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line2 = String.format ("| %-70.70s|%n", contents2);
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}
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String single = String.format (AbstractValue.FMT5, address.getText (), contents,
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cellType, valueTypeText, valueText);
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return String.format ("%s%n%s%s%s", AbstractValue.LINE, single, line2, rest);
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}
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} |