se.wfh.libs.common.gui.widgets.WCurrencyTextField Maven / Gradle / Ivy

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Some helper classes i needed for several projects (GUI / Swing parts)

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package se.wfh.libs.common.gui.widgets;

import java.text.DecimalFormat;
import java.text.DecimalFormatSymbols;
import java.text.NumberFormat;

public class WCurrencyTextField extends AbstractWTextField {
	private static DecimalFormat getFormat() {
		DecimalFormat formatter = (DecimalFormat) NumberFormat
				.getCurrencyInstance();
		DecimalFormatSymbols symbols = formatter.getDecimalFormatSymbols();
		symbols.setCurrencySymbol("");

		formatter.setDecimalFormatSymbols(symbols);
		formatter.setNegativeSuffix("");
		formatter.setPositiveSuffix("");

		return formatter;
	}

	private static final long serialVersionUID = 1L;

	public WCurrencyTextField() {
		this(null, 10);
	}

	public WCurrencyTextField(final Double defval) {
		this(defval, 10);
	}

	public WCurrencyTextField(final Double defval, final int columns) {
		super(WCurrencyTextField.getFormat(), defval, columns);

		addCurrencyLabel();
	}

	private void addCurrencyLabel() {
		NumberFormat orig = NumberFormat.getCurrencyInstance();
		String complete = orig.format(10);
		String symbol = orig.getCurrency().getSymbol();
		boolean prefix = complete.indexOf(symbol) < 2;

		WLabel lblCurrency = new WLabel(symbol);
		if (prefix) {
			add(lblCurrency, 0);
		} else {
			add(lblCurrency);
		}
	}
}