/**
 * Copyright (C) 2001-2017 by RapidMiner and the contributors
 * 
 * Complete list of developers available at our web site:
 * 
 * http://rapidminer.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.new_plotter.gui;

import java.awt.Color;
import java.awt.datatransfer.Transferable;

import javax.swing.BorderFactory;
import javax.swing.JTextField;
import javax.swing.JTree;
import javax.swing.TransferHandler.TransferSupport;
import javax.swing.border.Border;

import com.rapidminer.gui.RapidMinerGUI;
import com.rapidminer.gui.dnd.DragListener;
import com.rapidminer.gui.flow.processrendering.draw.ProcessDrawer;
import com.rapidminer.gui.new_plotter.configuration.ValueSource.SeriesUsageType;
import com.rapidminer.gui.new_plotter.gui.dnd.DataTableColumnDropTextFieldTransferHandler;
import com.rapidminer.gui.new_plotter.gui.dnd.DataTableColumnListTransferHandler;


/**
 * @author Nils Woehler
 *
 */
public class AttributeDropTextField extends JTextField implements DragListener {

	private static final long serialVersionUID = 1L;

	private Border ongoingDropBorder;
	private Border dropEndedBorder;

	public AttributeDropTextField(JTree plotConfigurationTree, DataTableColumnListTransferHandler th, SeriesUsageType type) {
		th.addDragListener(this);

		this.setFocusable(false);
		this.setEditable(false);
		this.setBackground(Color.white);
		this.setTransferHandler(new DataTableColumnDropTextFieldTransferHandler(plotConfigurationTree, type, this));

		ongoingDropBorder = BorderFactory.createLineBorder(ProcessDrawer.BORDER_DRAG_COLOR, 1);
		dropEndedBorder = BorderFactory.createEmptyBorder(1, 1, 1, 1);
	}

	@Override
	public void dragStarted(Transferable t) {
		TransferSupport support = new TransferSupport(this, t);
		boolean doesSupportFlavor = ((DataTableColumnDropTextFieldTransferHandler) getTransferHandler())
				.doesSupportFlavor(support);

		if (doesSupportFlavor) {
			switch (RapidMinerGUI.getDragHighlighteMode()) {
				case FULL:
					setBackground(ProcessDrawer.INNER_DRAG_COLOR);
				case BORDER:
					setBorder(ongoingDropBorder);
					break;
				default:
					break;

			}
		}
	}

	@Override
	public void dragEnded() {
		setBorder(dropEndedBorder);
		setBackground(Color.WHITE);
	}

}