/*******************************************************************************
 * This file is part of logisim-evolution.
 *
 *   logisim-evolution 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 3 of the License, or
 *   (at your option) any later version.
 *
 *   logisim-evolution 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 logisim-evolution.  If not, see <http://www.gnu.org/licenses/>.
 *
 *   Original code by Carl Burch (http://www.cburch.com), 2011.
 *   Subsequent modifications by :
 *     + Haute École Spécialisée Bernoise
 *       http://www.bfh.ch
 *     + Haute École du paysage, d'ingénierie et d'architecture de Genève
 *       http://hepia.hesge.ch/
 *     + Haute École d'Ingénierie et de Gestion du Canton de Vaud
 *       http://www.heig-vd.ch/
 *   The project is currently maintained by :
 *     + REDS Institute - HEIG-VD
 *       Yverdon-les-Bains, Switzerland
 *       http://reds.heig-vd.ch
 *******************************************************************************/

package com.cburch.logisim.std.wiring;

import java.awt.Font;
import java.util.Arrays;
import java.util.List;

import com.cburch.logisim.circuit.RadixOption;
import com.cburch.logisim.data.AbstractAttributeSet;
import com.cburch.logisim.data.Attribute;
import com.cburch.logisim.data.BitWidth;
import com.cburch.logisim.data.Direction;
import com.cburch.logisim.instance.StdAttr;

class ProbeAttributes extends AbstractAttributeSet {
	public static ProbeAttributes instance = new ProbeAttributes();

	private static final List<Attribute<?>> ATTRIBUTES = Arrays
			.asList(new Attribute<?>[] { StdAttr.FACING, RadixOption.ATTRIBUTE,
					StdAttr.LABEL, Pin.ATTR_LABEL_LOC, StdAttr.LABEL_FONT, });

	Direction facing = Direction.EAST;
	String label = "";
	Direction labelloc = Direction.WEST;
	Font labelfont = StdAttr.DEFAULT_LABEL_FONT;
	RadixOption radix = RadixOption.RADIX_2;
	BitWidth width = BitWidth.ONE;

	public ProbeAttributes() {
	}

	@Override
	protected void copyInto(AbstractAttributeSet destObj) {
		; // nothing to do
	}

	@Override
	public List<Attribute<?>> getAttributes() {
		return ATTRIBUTES;
	}

	@Override
	@SuppressWarnings("unchecked")
	public <E> E getValue(Attribute<E> attr) {
		if (attr == StdAttr.FACING)
			return (E) facing;
		if (attr == StdAttr.LABEL)
			return (E) label;
		if (attr == Pin.ATTR_LABEL_LOC)
			return (E) labelloc;
		if (attr == StdAttr.LABEL_FONT)
			return (E) labelfont;
		if (attr == RadixOption.ATTRIBUTE)
			return (E) radix;
		return null;
	}

	@SuppressWarnings("unchecked")
	@Override
	public <V> void setValue(Attribute<V> attr, V value) {
		V Oldvalue = null;
		if (attr == StdAttr.FACING) {
			Direction newValue = (Direction) value;
			if (facing.equals(newValue))
				return;
			facing = (Direction) value;
		} else if (attr == StdAttr.LABEL) {
			String val = (String) value;
//			if (!SyntaxChecker.isVariableNameAcceptable(val) && !val.equals("")) {
//				SyntaxChecker.showNonAcceptableNameMessage();
//				val = "";
//			}
			if (label.equals(val))
				return;
			Oldvalue = (V) label;
			label = val;
		} else if (attr == Pin.ATTR_LABEL_LOC) {
			Direction newValue = (Direction) value;
			if (labelloc.equals(newValue))
				return;
			labelloc = newValue;
		} else if (attr == StdAttr.LABEL_FONT) {
			Font NewValue = (Font) value;
			if (labelfont.equals(NewValue))
				return;
			labelfont = NewValue;
		} else if (attr == RadixOption.ATTRIBUTE) {
			RadixOption NewValue = (RadixOption) value;
			if (radix.equals(NewValue))
				return;
			radix = NewValue;
		} else {
			throw new IllegalArgumentException("unknown attribute");
		}
		fireAttributeValueChanged(attr, value,Oldvalue);
	}
}