package org.argeo.cms.swt.acr;

import javax.xml.namespace.QName;

import org.argeo.api.acr.Content;
import org.argeo.cms.swt.CmsSwtUtils;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;
import org.eclipse.swt.widgets.TableItem;

public class AcrContentTreeView extends Composite {
	private static final long serialVersionUID = -3707881216246077323L;
	private SwtContentHierarchicalPart hPart;
//	private Tree tree;
	private Table table;
	private Content rootContent;

	private Content selected;

	public AcrContentTreeView(Composite parent, int style, Content content) {
		super(parent, style);
		this.rootContent = content;
		this.selected = rootContent;
		setLayout(new GridLayout(2, false));
		initTree();
		GridData treeGd = CmsSwtUtils.fillHeight();
		treeGd.widthHint = 300;
		hPart.getArea().setLayoutData(treeGd);
		initTable();

		table.setLayoutData(CmsSwtUtils.fillAll());
	}

	protected void initTree() {
		hPart = new SwtContentHierarchicalPart(this, getStyle());
		hPart.setInput(rootContent);
		hPart.onSelected((o) -> {
			Content content = (Content) o;
			selected = content;
			refreshTable();

		});
//		tree = new Tree(this, 0);
//		for (Content c : rootContent) {
//			TreeItem root = new TreeItem(tree, 0);
//			root.setText(c.getName().toString());
//			root.setData(c);
//			new TreeItem(root, 0);
//		}
//		tree.addListener(SWT.Expand, event -> {
//			final TreeItem root = (TreeItem) event.item;
//			TreeItem[] items = root.getItems();
//			for (TreeItem item : items) {
//				if (item.getData() != null)
//					return;
//				item.dispose();
//			}
//			Content content = (Content) root.getData();
//			for (Content c : content) {
//				TreeItem item = new TreeItem(root, 0);
//				item.setText(c.getName().toString());
//				item.setData(c);
//				boolean hasChildren = true;
//				if (hasChildren) {
//					new TreeItem(item, 0);
//				}
//			}
//		});
//		tree.addListener(SWT.Selection, event -> {
//			TreeItem item = (TreeItem) event.item;
//			selected = (Content) item.getData();
//			refreshTable();
//		});
	}

	protected void initTable() {
		table = new Table(this, 0);
		table.setLinesVisible(true);
		table.setHeaderVisible(true);
		TableColumn keyCol = new TableColumn(table, SWT.NONE);
		keyCol.setText("Attribute");
		keyCol.setWidth(200);
		TableColumn valueCol = new TableColumn(table, SWT.NONE);
		valueCol.setText("Value");
		keyCol.setWidth(300);
		refreshTable();
	}

	protected void refreshTable() {
		for (TableItem item : table.getItems()) {
			item.dispose();
		}
		for (QName key : selected.keySet()) {
			TableItem item = new TableItem(table, 0);
			item.setText(0, key.toString());
			Object value = selected.get(key);
			item.setText(1, value.toString());
		}
		table.getColumn(0).pack();
		table.getColumn(1).pack();
	}

//	public static void main(String[] args) {
//		Path basePath;
//		if (args.length > 0) {
//			basePath = Paths.get(args[0]);
//		} else {
//			basePath = Paths.get(System.getProperty("user.home"));
//		}
//
//		final Display display = new Display();
//		final Shell shell = new Shell(display);
//		shell.setText(basePath.toString());
//		shell.setLayout(new FillLayout());
//
//		FsContentProvider contentSession = new FsContentProvider("/", basePath);
////		GcrContentTreeView treeView = new GcrContentTreeView(shell, 0, contentSession.get("/"));
//
//		shell.setSize(shell.computeSize(800, 600));
//		shell.open();
//		while (!shell.isDisposed()) {
//			if (!display.readAndDispatch())
//				display.sleep();
//		}
//		display.dispose();
//	}
}