/*FreeMind - A Program for creating and viewing Mindmaps
 *Copyright (C) 2000-2006 Joerg Mueller, Daniel Polansky, Christian Foltin, Dimitri Polivaev and others.
 *
 *See COPYING for Details
 *
 *This program is free software; you can redistribute it and/or
 *modify it under the terms of the GNU General Public License
 *as published by the Free Software Foundation; either version 2
 *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 General Public License for more details.
 *
 *You should have received a copy of the GNU General Public License
 *along with this program; if not, write to the Free Software
 *Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
/*
 * Created on 18.06.2005
 * Copyright (C) 2005 Dimitri Polivaev
 */
package freemind.view.mindmapview.attributeview;

import javax.swing.event.ChangeEvent;

import freemind.modes.attributes.Attribute;

/**
 * @author Dimitri Polivaev 18.06.2005
 */
class ExtendedAttributeTableModelDecorator extends
		AttributeTableModelDecoratorAdapter {
	int newRow;
	private static final int AFTER_LAST_ROW = Integer.MAX_VALUE;

	public ExtendedAttributeTableModelDecorator(AttributeView attrView) {
		super(attrView);
		newRow = AFTER_LAST_ROW;
	}

	public int getRowCount() {
		if (newRow == AFTER_LAST_ROW)
			return nodeAttributeModel.getRowCount();
		return nodeAttributeModel.getRowCount() + 1;
	}

	public Object getValueAt(int row, int col) {
		if (row < newRow) {
			return nodeAttributeModel.getValueAt(row, col);
		}
		if (row == newRow) {
			return "";
		}
		return nodeAttributeModel.getValueAt(row - 1, col);
	}

	public void insertRow(int index) {
		newRow = index;
		fireTableRowsInserted(index, index);
	}

	public boolean isCellEditable(int row, int col) {
		if (row != newRow) {
			int rowInModel = row < newRow ? row : row - 1;
			return nodeAttributeModel.isCellEditable(rowInModel, col);
		}
		return col == 0;
	}

	public Object removeRow(int index) {
		return nodeAttributeModel.removeRow(index);
	}

	public void setValueAt(Object o, int row, int col) {
		if (row != newRow) {
			if (col == 1 || o.toString().length() > 0) {
				int rowInModel = row < newRow ? row : row - 1;
				nodeAttributeModel.setValueAt(o, rowInModel, col);
			}
			return;
		} else {
			newRow = AFTER_LAST_ROW;
			fireTableRowsDeleted(row, row);
			if (col == 0 && o != null && o.toString().length() > 0) {
				nodeAttributeModel.insertRow(row, o.toString(), "");
			}
			return;
		}

	}

	public void stateChanged(ChangeEvent e) {
		fireTableDataChanged();
	}

	public void editingCanceled() {
		if (newRow != AFTER_LAST_ROW) {
			int row = newRow;
			newRow = AFTER_LAST_ROW;
			fireTableRowsDeleted(row, row);

		}
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see
	 * freemind.view.mindmapview.attributeview.AttributeTableModelDecoratorAdapter
	 * #areAttributesVisible()
	 */
	public boolean areAttributesVisible() {
		return getRowCount() != 0;
	}

	/**
     */
	public void moveRowUp(int row) {
		Attribute attribute = (Attribute) nodeAttributeModel.removeRow(row);
		nodeAttributeModel.insertRow(row - 1, attribute.getName(),
				attribute.getValue());
	}

	/**
     */
	public void moveRowDown(int row) {
		Attribute attribute = (Attribute) nodeAttributeModel.removeRow(row);
		nodeAttributeModel.insertRow(row + 1, attribute.getName(),
				attribute.getValue());
	}
}