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85 lines
2.3 KiB
Java
85 lines
2.3 KiB
Java
package com.bytezone.diskbrowser.visicalc;
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class If extends Function
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{
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private final String conditionText;
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private final String textTrue;
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private final String textFalse;
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private final Condition condition;
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private final Expression expTrue;
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private final Expression expFalse;
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public If (Sheet parent, Cell cell, String text)
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{
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super (parent, cell, text);
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int pos1 = functionText.indexOf (',');
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int pos2 = -1;
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if (pos1 < 0)
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throw new IllegalArgumentException ("Not enough parameters for IF: " + text);
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conditionText = functionText.substring (0, pos1);
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condition = new Condition (parent, cell, conditionText);
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// System.out.printf ("Cond : %s%n", conditionText);
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values.add (condition);
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if (functionText.charAt (pos1 + 1) == '@')
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{
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textTrue = Expression.getBalancedText (functionText.substring (pos1 + 1));
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// System.out.printf ("True : %s%n", textTrue);
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expTrue = new Expression (parent, cell, textTrue);
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pos2 = functionText.indexOf (',', pos1 + textTrue.length () + 1);
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}
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else
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{
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pos2 = functionText.indexOf (',', pos1 + 1);
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textTrue = functionText.substring (pos1 + 1, pos2);
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// System.out.printf ("True : %s%n", textTrue);
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expTrue = new Expression (parent, cell, functionText.substring (pos1 + 1, pos2));
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}
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values.add (expTrue);
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if (pos2 < 0)
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throw new IllegalArgumentException ("Not enough parameters for IF: " + text);
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textFalse = functionText.substring (pos2 + 1);
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// System.out.printf ("False: %s%n", textFalse);
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expFalse = new Expression (parent, cell, textFalse);
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values.add (expFalse);
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// System.out.println ();
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}
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@Override
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public void calculate ()
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{
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valueType = ValueType.VALUE;
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condition.calculate ();
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if (condition.getValue () == 1)
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{
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expTrue.calculate ();
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if (!expTrue.isValueType (ValueType.VALUE))
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valueType = expTrue.getValueType ();
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else
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value = expTrue.getValue ();
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}
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else
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{
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expFalse.calculate ();
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if (!expFalse.isValueType (ValueType.VALUE))
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valueType = expFalse.getValueType ();
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else
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value = expFalse.getValue ();
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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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return String.format ("[IF:%s, True:%s, False:%s]", condition, textTrue, textFalse);
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}
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} |