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path: root/dozentenmodul/src/main/java/org/openslx/dozmod/gui/configurator/ContainerBindMountConfigurator.java
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package org.openslx.dozmod.gui.configurator;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.openslx.dozmod.gui.Gui;
import org.openslx.dozmod.gui.changemonitor.GenericControlWindow;
import org.openslx.dozmod.gui.control.QLabel;
import org.openslx.dozmod.gui.control.table.ContainerBindMountTable;
import org.openslx.dozmod.gui.control.table.QScrollPane;
import org.openslx.dozmod.gui.helper.GridManager;
import org.openslx.dozmod.gui.helper.I18n;
import org.openslx.dozmod.gui.window.ContainerBindMountWindow;
import org.openslx.virtualization.configuration.container.ContainerBindMount;

import javax.swing.*;
import javax.swing.event.ChangeListener;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.ArrayList;
import java.util.List;

public class ContainerBindMountConfigurator extends JPanel
		implements GenericControlWindow<List<ContainerBindMount>> {

	/**
	 * Version for serialization.
	 */
	private static final long serialVersionUID = -3439578767452418382L;

	private final Logger LOGGER = LogManager.getLogger(ContainerBindMountConfigurator.class);

	private final ContainerBindMountTable bindMountTable;

	public ContainerBindMountConfigurator() {
		super();

		GridManager grid = new GridManager(this, 3, false);
		QLabel lblBindMount = new QLabel(I18n.CONFIGURATOR.getString("ContainerBindMount.BindMount.text"));
		bindMountTable = new ContainerBindMountTable();
		QScrollPane scrollPaneTable = new QScrollPane(bindMountTable);
		scrollPaneTable.setMinimumSize(Gui.getScaledDimension(0, 70));
		scrollPaneTable.setPreferredSize(Gui.getScaledDimension(0, 70));
		grid.add(lblBindMount).fill(false, false);
		grid.add(scrollPaneTable, 2).fill(true, false).expand(true, false);
		grid.nextRow();

		JPanel buttonPanel = new JPanel();
		buttonPanel.setBorder(BorderFactory.createEmptyBorder(2, 2, 2, 2));
		buttonPanel.setLayout(new BoxLayout(buttonPanel, BoxLayout.LINE_AXIS));

		JButton btnAddBindMount = new JButton(
				I18n.CONFIGURATOR.getString("ContainerBindMount.Button.AddBindMount.text"));
		JButton btnDelBindMount = new JButton(
				I18n.CONFIGURATOR.getString("ContainerBindMount.Button.DeleteBindMount.text"));

		// add glue box to move Buttons to the right border.
		buttonPanel.add(Box.createGlue());
		buttonPanel.add(btnAddBindMount);
		buttonPanel.add(btnDelBindMount);

		grid.add(Box.createGlue()).fill(true, false);
		grid.add(buttonPanel, 2).fill(true, false);
		grid.finish(false);

		btnAddBindMount.addActionListener(new ActionListener() {
			@Override public void actionPerformed(ActionEvent e) {
				addBindMount();
			}
		});
		btnDelBindMount.addActionListener(new ActionListener() {
			@Override public void actionPerformed(ActionEvent e) {
				deleteBindMount();
			}
		});
	}

	private void addBindMount() {
		ContainerBindMountWindow.open(SwingUtilities.getWindowAncestor(this), bindMountTable);
		fireUserChangeEvent();
	}

	private void deleteBindMount() {
		if (null == bindMountTable.getSelectedItem())
			return;
		List<ContainerBindMount> data = new ArrayList<>(bindMountTable.getData());
		if (data.remove(bindMountTable.getSelectedItem()))
			LOGGER.info("Bind Mount Entry Deleted");
		bindMountTable.setData(data, true);
		fireUserChangeEvent();
	}

	public void setData(List<ContainerBindMount> bindMountConfig) {
		setData(bindMountConfig, true);
	}

	public void setData(List<ContainerBindMount> bindMountConfig, boolean sort) {
		bindMountTable.setData(bindMountConfig, sort);
	}

	public List<ContainerBindMount> getData() {
		return bindMountTable.getData();
	}


	/* ################################
		For dialog change monitor
	################################### */

	@Override public List<ContainerBindMount> getState() {
		return bindMountTable.getData();
	}

	void fireUserChangeEvent() {
		for (ChangeListener cl : listeners) {
			cl.stateChanged(null);
		}
	}

	private final List<ChangeListener> listeners = new ArrayList<>(1);

	@Override public void addChangeListener(ChangeListener l) {
		listeners.add(l);
	}
}