stringchoicepropertyinfo.java

具有不同语法高亮的编辑器实例

/*
 * 08/10/2005
 *
 * StringChoicePropertyInfo.java - Information about a String choice property.
 * 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.infos;

import org.fife.ui.propertysheet.InvalidPropertyValueException;


public class StringChoicePropertyInfo extends PropertyInfo {


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


	/**
	 * Creates a property that represents some text.
	 *
	 * @param name The name of the property.
	 * @param value The initial and default value of the property.
	 */
	public StringChoicePropertyInfo(String name, String value) {
		this(name, value, value);
	}


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


	/**
	 * Creates a property that represents some text.
	 *
	 * @param name The name of the property.
	 * @param value The initial value of the property.
	 * @param defaultValue The default value of the property.
	 */
	public StringChoicePropertyInfo(String name, String value,
							String defaultValue) {
		super(name, value, defaultValue);
	}


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


	private String getActualValueFor(Object index) {
		if (index instanceof String) {
			// We check for this because since super.setDefaultValue() calls
			// setValue(), validateValue() gets called twice, once before
			// getActualValueFor() is called and once after.  In the "after"
			// case, the value is already a String, so we must check this
			// to prevent a ClassCastException.
			return (String)index;
		}
		int i = ((Integer)index).intValue();
		return ((String[])getData())[i];
	}


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


	public Class getType() {
		return String[].class;
	}


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


	public void setDefaultValue(Object defaultValue) {
		super.setDefaultValue(getActualValueFor(defaultValue));
	}


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


	public void setValue(Object value) {
		super.setValue(getActualValueFor(value));
	}


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


	protected void validateValue(Object value)
								throws InvalidPropertyValueException {
		if (!(value instanceof String))
			throw new InvalidPropertyValueException("Expected a String, " +
				"but received a " + (value==null ? "null" :
				value.getClass().toString()));
	}


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

}