source: java/main/src/main/java/com/framsticks/gui/controls/EnumControl.java @ 85

package com.framsticks.gui.controls;

import com.framsticks.params.types.EnumParam;
import com.framsticks.util.lang.Numbers;
import org.apache.log4j.Logger;

import javax.swing.*;

import java.awt.Dimension;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;

@SuppressWarnings("serial")
public class EnumControl extends ValueControl {

        protected final JComboBox<String> list;

        private static final Logger log = Logger.getLogger(EnumControl.class.getName());

        public EnumControl(EnumParam enumParam) {
                super(enumParam);

                this.setMaximumSize(new Dimension(Integer.MAX_VALUE, LINE_HEIGHT));

                list = new JComboBox<String>();
                for (String item : enumParam.getElements()) {
                        list.addItem(item);
                }
                list.setEditable(false);
                list.setEnabled(!isReadOnly());
                list.addItemListener(new ItemListener() {
                        @Override
                        public void itemStateChanged(ItemEvent itemEvent) {
                                notifyOfChange();
                        }
                });
                addAsOnlyChild(list);
        }

        @Override
        public void pushValueToUserInterfaceImpl(Object value) {
                Integer x = Numbers.cast(value, Integer.class);
                if (x == null) {
                        return;
                }
                try {
                        list.setSelectedIndex(x - getParam().getMin(Integer.class));
                } catch (IllegalArgumentException e) {
                        log.error("failed to set value");
                }
        }

        @Override
        public Object pullValueFromUserInterface() {
                return list.getSelectedIndex();
        }

        @Override
        public EnumParam getParam() {
                return (EnumParam) param;
        }

}