FolderChooser.java

package com.github.swapii.condi;

import com.github.swapii.condi.ui.Tree;
import com.github.swapii.condi.ui.tree.TreeItem;
import com.googlecode.lanterna.gui.Action;
import com.googlecode.lanterna.gui.GUIScreen;
import com.googlecode.lanterna.gui.Window;
import com.googlecode.lanterna.gui.component.Button;
import com.googlecode.lanterna.gui.component.EmptySpace;
import com.googlecode.lanterna.gui.component.Panel;
import com.googlecode.lanterna.gui.layout.BorderLayout;
import com.googlecode.lanterna.gui.listener.WindowAdapter;
import com.googlecode.lanterna.terminal.TerminalSize;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.File;
import java.io.FileFilter;

/**
 * @author Pavel Savinov
 * @version 7/20/13 12:19 PM
 */
public class FolderChooser extends Window {

	private static final Logger logger = LoggerFactory.getLogger(FolderChooser.class);

	private File selected;

	public FolderChooser(GUIScreen screen) {

		super("Choose folder to scan");


		FileFilter fileFilter = new FileFilter() {
			@Override
			public boolean accept(File pathname) {
				return pathname.isDirectory();
			}
		};

		FileTreeItem root = new FileTreeItem(new File("/"), null, fileFilter);
		Tree tree = new Tree(root);

		tree.setOnItemSelectedListener(new Tree.OnItemSelectedListener() {
			@Override
			public void itemSelected(TreeItem item) {

				File file = ((FileTreeItem) item).getFile();
				logger.debug("Folder selected: " + file.getAbsolutePath());

				selected = file;

			}
		});

		addComponent(tree, BorderLayout.CENTER);

		addComponent(new EmptySpace());


		Panel buttonsPanel = new Panel(Panel.Orientation.HORISONTAL);

		buttonsPanel.addComponent(new Button("Cancel", new Action() {
			@Override
			public void doAction() {
				close();
			}
		}));
		buttonsPanel.addComponent(new EmptySpace());
		buttonsPanel.addComponent(new Button("Scan", new Action() {
			@Override
			public void doAction() {
				close();
			}
		}));

		addComponent(buttonsPanel, BorderLayout.BOTTOM, BorderLayout.CENTER);


		TerminalSize size = screen.getScreen().getTerminalSize();
		setWindowSizeOverride(new TerminalSize(size.getColumns() - 8, size.getRows() - 5));


		screen.showWindow(this, GUIScreen.Position.OVERLAPPING);
	}


}