mirror of
https://github.com/dmolony/DiskBrowser.git
synced 2024-10-19 04:23:39 +00:00
97 lines
2.2 KiB
Java
97 lines
2.2 KiB
Java
package com.bytezone.diskbrowser.visicalc;
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class Address implements Comparable<Address>
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{
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private static final int MAX_ROWS = 255;
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private static final int MAX_COLUMNS = 64;
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int row, column;
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int rowKey;
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int columnKey;
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String text;
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public Address (String column, String row)
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{
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set (column, row);
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}
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public Address (int column, int row)
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{
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assert column <= MAX_COLUMNS;
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assert row <= MAX_ROWS;
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this.row = row;
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this.column = column;
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rowKey = row * MAX_COLUMNS + column;
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columnKey = column * MAX_ROWS + row;
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int col1 = column / 26;
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int col2 = column % 26;
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String col =
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col1 > 0 ? (char) ('@' + col1) + ('A' + col2) + "" : (char) ('A' + col2) + "";
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text = col + (row + 1);
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}
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public Address (String address)
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{
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if (address.charAt (1) < 'A')
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set (address.substring (0, 1), address.substring (1));
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else
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set (address.substring (0, 2), address.substring (2));
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}
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private void set (String sCol, String sRow)
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{
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if (sCol.length () == 1)
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column = sCol.charAt (0) - 'A';
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else if (sCol.length () == 2)
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column = (sCol.charAt (0) - '@') * 26 + sCol.charAt (1) - 'A';
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else
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System.out.println ("Bollocks");
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try
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{
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row = Integer.parseInt (sRow) - 1;
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rowKey = row * MAX_COLUMNS + column;
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columnKey = column * MAX_ROWS + row;
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text = sCol + sRow;
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}
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catch (NumberFormatException e)
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{
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System.out.printf ("NFE: %s%n", sRow);
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// for (StackTraceElement ste : Thread.currentThread ().getStackTrace ())
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// System.out.println (ste);
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}
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}
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Address nextRow ()
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{
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Address next = new Address (column, row + 1);
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return next;
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}
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Address nextColumn ()
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{
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Address next = new Address (column + 1, row);
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return next;
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}
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// copied from Appleworks Cell
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static String getCellName (int row, int column)
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{
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char c1 = (char) ('A' + column / 26 - 1);
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char c2 = (char) ('A' + column % 26);
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return "" + (c1 == '@' ? "" : c1) + c2 + row;
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}
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@Override
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public String toString ()
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{
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return String.format ("%-4s %3d %3d %4d", text, row, column, rowKey);
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}
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@Override
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public int compareTo (Address o)
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{
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return rowKey - o.rowKey;
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}
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} |