d20-charsheet/src/main/lombok/org/leumasjaffe/charsheet/view/summary/AbilityBox.java

package org.leumasjaffe.charsheet.view.summary;

import javax.swing.JFormattedTextField;
import javax.swing.JPanel;
import javax.swing.JTextField;
import java.awt.Dimension;

import static org.leumasjaffe.charsheet.model.Ability.modifier;

import java.awt.Color;
import java.awt.GridBagLayout;
import java.awt.GridBagConstraints;
import java.awt.Insets;

import javax.swing.border.LineBorder;

import org.leumasjaffe.charsheet.model.observable.IntValue;
import org.leumasjaffe.charsheet.observer.helper.IntValueHelper;
import org.leumasjaffe.charsheet.observer.helper.IntValueStringify;
import org.leumasjaffe.charsheet.util.StringHelper;
import org.leumasjaffe.graphics.NumberTextField;
import org.leumasjaffe.observer.ObservableController;
import org.leumasjaffe.observer.ObservableListener;

import lombok.AccessLevel;
import lombok.experimental.FieldDefaults;

import javax.swing.SwingConstants;

@FieldDefaults(level=AccessLevel.PRIVATE, makeFinal=true)
public class AbilityBox extends JPanel {
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	ObservableListener<JTextField, IntValue> valueListener;
	ObservableListener<JTextField, IntValue> modListener;
	
	public AbilityBox(final String name, final String heading) {

		setOpaque(false);
		setMaximumSize(new Dimension(80, 26));
		setMinimumSize(new Dimension(80, 26));
		setPreferredSize(new Dimension(80, 26));
		GridBagLayout gridBagLayout = new GridBagLayout();
		gridBagLayout.columnWidths = new int[]{0, 0, 0};
		gridBagLayout.rowHeights = new int[]{25, 0};
		gridBagLayout.columnWeights = new double[]{1.0, 1.0, Double.MIN_VALUE};
		gridBagLayout.rowWeights = new double[]{0.0, Double.MIN_VALUE};
		setLayout(gridBagLayout);
	    
		JFormattedTextField value = new NumberTextField();
		value.setToolTipText(heading + " Score (" + name + ")");
		value.setHorizontalAlignment(SwingConstants.CENTER);
		value.setMinimumSize(new Dimension(30, 20));
		value.setMaximumSize(new Dimension(30, 20));
		value.setPreferredSize(new Dimension(30, 20));
		value.setBorder(new LineBorder(Color.BLACK));
		GridBagConstraints gbc_value = new GridBagConstraints();
		gbc_value.insets = new Insets(0, 5, 0, 5);
		gbc_value.fill = GridBagConstraints.HORIZONTAL;
		gbc_value.gridx = 0;
		gbc_value.gridy = 0;
		add(value, gbc_value);
		value.setColumns(3);
		
		JTextField modifier = new JTextField();
		modifier.setToolTipText(heading + " Modifier (" + name + ")");
		modifier.setHorizontalAlignment(SwingConstants.CENTER);
		modifier.setEditable(false);
		modifier.setMinimumSize(new Dimension(30, 20));
		modifier.setMaximumSize(new Dimension(30, 20));
		modifier.setPreferredSize(new Dimension(30, 20));
		modifier.setBorder(new LineBorder(Color.BLACK));
		GridBagConstraints gbc_modifier = new GridBagConstraints();
		gbc_modifier.insets = new Insets(0, 0, 0, 5);
		gbc_modifier.fill = GridBagConstraints.HORIZONTAL;
		gbc_modifier.gridx = 1;
		gbc_modifier.gridy = 0;
		add(modifier, gbc_modifier);
		modifier.setColumns(3);

		valueListener = new ObservableController<>(value, 
				new IntValueHelper(), IntValueStringify.withDefault(-1),
				(v) -> {
					v.value(-1);
					modifier.setText("");
				});
		modListener = new ObservableListener<>(modifier,
				(c, v) -> c.setText(v.value() <= 0 ? "" : 
					StringHelper.toString(modifier(v.value()))));
	}

	public void setModel(IntValue scores) {
		valueListener.setObserved(scores);
		modListener.setObserved(scores);
	}

}