/*
 *  RapidMiner
 *
 *  Copyright (C) 2001-2011 by Rapid-I and the contributors
 *
 *  Complete list of developers available at our web site:
 *
 *       http://rapid-i.com
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Affero General Public License for more details.
 *
 *  You should have received a copy of the GNU Affero General Public License
 *  along with this program.  If not, see http://www.gnu.org/licenses/.
 */
package com.rapidminer.gui.processeditor;

import java.awt.BorderLayout;
import java.awt.Component;

import javax.swing.BorderFactory;
import javax.swing.Icon;
import javax.swing.JPanel;

import com.rapidminer.datatable.DataTable;
import com.rapidminer.gui.MainFrame;
import com.rapidminer.gui.tools.ResourceLabel;
import com.rapidminer.gui.tools.SwingTools;
import com.rapidminer.gui.viewer.DataTableViewer;
import com.vlsolutions.swing.docking.DockKey;
import com.vlsolutions.swing.docking.Dockable;

/**
 * 
 * @author Simon Fischer
 *
 */
public class ProcessLogTab extends JPanel implements Dockable {

	private static final long serialVersionUID = 1L;
	private static Icon DATA_TABLE_ICON = SwingTools.createIcon("16/table.png");
	public static final String DOCKKEY_PREFIX = "datatable_";

	private Component viewer;
	private final DockKey dockKey;	
	
	public ProcessLogTab(String key) {
		setLayout(new BorderLayout());
		this.dockKey = new DockKey(key);
		dockKey.setIcon(DATA_TABLE_ICON);
		dockKey.setDockGroup(MainFrame.DOCK_GROUP_RESULTS);				
	}
	
	public void setDataTableViewer(DataTableViewer viewer) {
		if (viewer == this.viewer) {
			return;
		}
		if (this.viewer != null) {
			remove(this.viewer);
		}
		if (viewer != null) {
			this.viewer = viewer;
			dockKey.setName(viewer.getDataTable().getName());
		} else {
			this.viewer = makeTableNotRestoredLabel();			
		}
		add(this.viewer, BorderLayout.CENTER);		
	}

	private static ResourceLabel makeTableNotRestoredLabel() {
		ResourceLabel label = new ResourceLabel("resulttab.table_cannot_be_restored");
		label.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
		return label;
	}
	public void freeResources() {
		if (viewer != null)
			remove(viewer);
		viewer = null;
	}
	
	@Override
	public Component getComponent() {
		return this;
	}

	@Override
	public DockKey getDockKey() {
		return dockKey;
	}

	public DataTable getDataTable() {
		if ((this.viewer != null) && (viewer instanceof DataTableViewer)) {
			return ((DataTableViewer)this.viewer).getDataTable();
		} else {
			return null;
		}
	}	
}