d20-charsheet/src/main/lombok/org/leumasjaffe/charsheet/view/level/ChooseClassLevelUpDialog.java

package org.leumasjaffe.charsheet.view.level;

import javax.swing.JPanel;

import org.leumasjaffe.charsheet.model.DDCharacter;
import org.leumasjaffe.charsheet.model.DDCharacterClass;

import com.fasterxml.jackson.core.JsonParseException;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.datatype.jdk8.Jdk8Module;

import lombok.SneakyThrows;

import java.awt.GridBagLayout;

import javax.swing.JComboBox;
import java.awt.GridBagConstraints;
import javax.swing.JLabel;
import java.awt.Insets;
import java.io.IOException;
import java.util.function.Consumer;

import javax.swing.JButton;

@SuppressWarnings("serial")
class ChooseClassLevelUpDialog extends JPanel {
	public ChooseClassLevelUpDialog(DDCharacter chara, Consumer<LevelUpClassInfo> nexter) {
		GridBagLayout gridBagLayout = new GridBagLayout();
		gridBagLayout.columnWidths = new int[]{0, 0, 0, 0};
		gridBagLayout.rowHeights = new int[]{0, 0, 0, 0};
		gridBagLayout.columnWeights = new double[]{0.0, 0.0, 1.0, Double.MIN_VALUE};
		gridBagLayout.rowWeights = new double[]{0.0, 0.0, 1.0, Double.MIN_VALUE};
		setLayout(gridBagLayout);
		
		
		JLabel lblClass = new JLabel("Class:");
		GridBagConstraints gbc_lblClass = new GridBagConstraints();
		gbc_lblClass.insets = new Insets(0, 0, 5, 5);
		gbc_lblClass.anchor = GridBagConstraints.EAST;
		gbc_lblClass.gridx = 1;
		gbc_lblClass.gridy = 1;
		add(lblClass, gbc_lblClass);

		String[] choices = chara.getClasses().stream()
				.map(DDCharacterClass::getName).toArray(String[]::new);
		JComboBox<String> comboBox = new JComboBox<>(choices);
		comboBox.setEditable(true);
		GridBagConstraints gbc_comboBox = new GridBagConstraints();
		gbc_comboBox.insets = new Insets(0, 0, 5, 0);
		gbc_comboBox.fill = GridBagConstraints.HORIZONTAL;
		gbc_comboBox.gridx = 2;
		gbc_comboBox.gridy = 1;
		add(comboBox, gbc_comboBox);
		
		JPanel panel = new JPanel();
		GridBagConstraints gbc_panel = new GridBagConstraints();
		gbc_panel.gridwidth = 2;
		gbc_panel.insets = new Insets(0, 0, 0, 5);
		gbc_panel.fill = GridBagConstraints.BOTH;
		gbc_panel.gridx = 1;
		gbc_panel.gridy = 2;
		add(panel, gbc_panel);
		GridBagLayout gbl_panel = new GridBagLayout();
		gbl_panel.columnWidths = new int[]{0, 0, 0};
		gbl_panel.rowHeights = new int[]{0, 0};
		gbl_panel.columnWeights = new double[]{1.0, 0.0, Double.MIN_VALUE};
		gbl_panel.rowWeights = new double[]{0.0, Double.MIN_VALUE};
		panel.setLayout(gbl_panel);
		
		JButton btnNext = new JButton("Next");
		GridBagConstraints gbc_btnNext = new GridBagConstraints();
		gbc_btnNext.gridx = 1;
		gbc_btnNext.gridy = 0;
		panel.add(btnNext, gbc_btnNext);
		btnNext.addActionListener(e -> {
			final String name = (String) comboBox.getSelectedItem();
			final LevelUpClassInfo info = chara.getClasses().stream()
					.filter(c -> c.getName().equals(name)).findFirst()
					.map(dch -> new LevelUpClassInfo(chara, clone(dch), dch.getLevel().value() + 1))
					.orElseGet(() -> new LevelUpClassInfo(chara, new DDCharacterClass(name)));
			nexter.accept(info);
		});
	}

	static ObjectMapper mapper = new ObjectMapper();
	static {
		mapper.registerModule(new Jdk8Module());
	}
	
	@SneakyThrows({JsonParseException.class, JsonMappingException.class, JsonProcessingException.class, IOException.class})
	private DDCharacterClass clone(DDCharacterClass dch) {
		final String data = mapper.writeValueAsString(dch);
//		System.out.println(data);
		return mapper.readValue(data, DDCharacterClass.class);
	}
}