path: root/dozentenmodul/src/main/java/org/openslx/dozmod/gui/activity/DownloadPanel.java

package org.openslx.dozmod.gui.activity;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;

import org.openslx.bwlp.thrift.iface.TransferState;
import org.openslx.dozmod.filetransfer.DownloadTask;
import org.openslx.dozmod.filetransfer.TransferEvent;
import org.openslx.dozmod.gui.Gui;
import org.openslx.dozmod.gui.helper.I18n;
import org.openslx.dozmod.gui.helper.MessageType;
import org.openslx.dozmod.gui.helper.QuitNotification;
import org.openslx.dozmod.util.DesktopEnvironment;

public class DownloadPanel extends TransferPanel implements ActionListener, QuitNotification {

	/**
	 * Version for serialization.
	 */
	private static final long serialVersionUID = 6268433650243063898L;

	private final DownloadPanel panel = this;

	private final DownloadTask download;

	private final JButton btnOpenFolder;

	public DownloadPanel(String displayName, String diskFile, DownloadTask download) {
		super(download, displayName, diskFile);
		btnOpenFolder = new JButton(I18n.ACTIVITY.getString("DownloadPanel.Button.openFolder.text"));
		btnOpenFolder.setEnabled(false);
		header.add(btnOpenFolder, 6);
		btnOpenFolder.addActionListener(this);
		btnClose.addActionListener(this);
		this.download = download;
		download.addListener(this);
	}

	@Override
	public void actionPerformed(ActionEvent e) {
		if (e.getSource() == btnClose) {
			if (!download.isCanceled()) {
				if (!Gui.showMessageBox(panel, I18n.ACTIVITY.getString("DownloadPanel.Message.yesNo.cancelTransfer"),
						MessageType.QUESTION_YESNO, null, null))
					return;
				download.cancel();
			}
			download.removeListener(panel);
			close();
		} else if (e.getSource() == btnOpenFolder) {
			DesktopEnvironment.openLocal(download.getFile().getAbsoluteFile().getParentFile());
		}
	}

	@Override
	public void update(final TransferEvent event) {
		// NOTE: the update needs to be done in this order
		// first enable button than update super class,
		// else we will trap in a dead lock.
		if (event.state == TransferState.FINISHED) {
			btnOpenFolder.setEnabled(true);
		}
		super.update(event);
	}

	@Override
	public void onApplicationQuit() {
		download.cancel();
	}
	
	@Override
	protected void releaseResources() {
		// NOOP
	}

}