alphabeticalpropertytablemodel.java

具有不同语法高亮的编辑器实例

/*
 * 08/10/2005
 *
 * AlphabeticalPropertyTableModel.java - Model used in a property sheet's table
 * when it is sorted alphabetically.
 * Copyright (C) 2005 Robert Futrell
 * [e-mail]
 * www.website.com
 *
 * 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 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.
 */
package org.fife.ui.propertysheet;

import java.util.*;
import javax.swing.table.*;

import org.fife.ui.propertysheet.infos.PropertyInfo;


/**
 * A table model for <code>PropertyTable</code> that keeps all properties
 * together, in alphabetical order.
 *
 * @author Robert Futrell
 * @version 1.0
 */
class AlphabeticalPropertyTableModel extends PropertyTableModel {

	/**
	 * 
	 */
	private static final long serialVersionUID = 1725508037505445868L;


/*****************************************************************************/


	/**
	 * Adds a property to this table model.
	 *
	 * @param info The property to add.
	 */
	public void addProperty(PropertyInfo info) {
		String displayName = info.getDisplayName();
		Object[] rowData = new Object[] { displayName, info };
		int rowCount = getRowCount();
		if (rowCount==0) {
			insertRow(0, rowData);
			return;
		}
		boolean inserted = false;
		for (int i=0; i<rowCount; i++) {
			String rowName = (String)getValueAt(i, 0);
			if (displayName.compareTo(rowName)<=0) {
				insertRow(i, rowData);
				inserted = true;
				break;
			}
		}
		// If it's lexicographically at the end, add it to the end.
		if (!inserted) {
			addRow(rowData);
		}
	}


/*****************************************************************************/


	/**
	 * Returns the renderer for a given cell.
	 *
	 * @param row The row of the cell.
	 * @param column The column of the cell.
	 * @return <code>null</code> is returned, signifying that the table
	 *         itself will decide on a renderer.
	 */
	public TableCellRenderer getCellRenderer(int row, int column) {
		return null;
	}


/*****************************************************************************/


	/**
	 * Returns the number of properties in this property container.
	 *
	 * @return The property count.
	 */
	public int getPropertyCount() {
		return getRowCount();
	}


/*****************************************************************************/


	/**
	 * Returns an iterator over the properties in this property sheet.
	 *
	 * @return The iterator.
	 */
	public Iterator getPropertyIterator() {
		return new PropertyTableIterator();
	}


/*****************************************************************************/


	/**
	 * Returns whether the specified cell is editable.
	 *
	 * @param row The row of the cell.
	 * @param column The column of the cell.
	 * @return Whether the cell is editable.
	 */
	public boolean isCellEditable(int row, int column) {
		return column==1 &&
			((PropertyInfo)getValueAt(row, column)).isModifiable();
	}


/*****************************************************************************/


	/**
	 * Returns whether the specified row is expandable (that is, it contains
	 * "sub-rows" that can optionally be displayed).
	 *
	 * @param row The row in question.  This is a row index into this table
	 *        as it is currently displayed.
	 * @return Whether the row is expandable.
	 */
	public boolean isExpandableRow(int row) {
		return false;
	}


/*****************************************************************************/


	/**
	 * If the specified row is expandable, its expanded state is toggled.
	 *
	 * @param row The row in question.  This is a row index into this table
	 *        as it is currently displayed.
	 */
	void toggleExpandedState(int row) {
		// Do nothing.
	}


/*****************************************************************************/
/******************* PRIVATE INNER CLASSES ***********************************/
/*****************************************************************************/


	class PropertyTableIterator implements Iterator {

		protected int index;

		public PropertyTableIterator() {
			index = 0;
		}

		public boolean hasNext() {
			return index<getPropertyCount();
		}

		public Object next() {
			if (!hasNext())
				throw new NoSuchElementException();
			return getValueAt(index++, 1);
		}

		public void remove() {
			throw new UnsupportedOperationException();
		}

	}


/*****************************************************************************/

}