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/*
 * Copyright (c) 2016, Peter Rader. All rights reserved.
 *  ___ ___               __                 ______         __     __  __         __
 * |   |   |.-----..----.|  |_ .-----..----.|   __ \.--.--.|  |--.|  ||__|.-----.|  |--.
 * |   |   ||  -__||  __||   _||  _  ||   _||    __/|  |  ||  _  ||  ||  ||__ --||     |
 *  \_____/ |_____||____||____||_____||__|  |___|   |_____||_____||__||__||_____||__|__|
 *
 * http://www.gnu.org/licenses/gpl-3.0.html
 */
package net.vectorpublish.desktop.vp.pd.official;

import java.awt.Event;
import java.awt.event.KeyEvent;
import java.util.LinkedHashSet;
import java.util.Random;
import java.util.Set;

import javax.swing.Action;
import javax.swing.KeyStroke;

/**
 *
 */
public class ActionBinding {

	private static Set registredActions = new LinkedHashSet<>();
	private static Random rnd = new Random(System.currentTimeMillis());

	private final KeyStroke stroke;
	private final String actionName;
	private final Action action;

	public ActionBinding(boolean pressed, int keyVal, Action action) {
		this.actionName = generateUniqueActionName();
		this.action = action;
		int mod = 0;
		if (keyVal == KeyEvent.VK_CONTROL) {
			if (pressed) {
				mod += Event.CTRL_MASK;
				mod += KeyEvent.CTRL_DOWN_MASK;
			}
		}
		if (keyVal == KeyEvent.VK_ALT) {
			if (pressed) {
				mod += Event.ALT_MASK;
				mod += KeyEvent.ALT_DOWN_MASK;
			}
		}
		if (keyVal == KeyEvent.VK_SHIFT) {
			if (pressed) {
				mod += Event.SHIFT_MASK;
				mod += KeyEvent.SHIFT_DOWN_MASK;
			}
		}
		stroke = KeyStroke.getKeyStroke(keyVal, mod, !pressed);
	}

	public void bind(DrawPanel drawPanel) {
		drawPanel.getInputMap().put(stroke, actionName);
		drawPanel.getActionMap().put(actionName, action);
	}

	public String generateUniqueActionName() {
		synchronized (registredActions) {
			String name;
			do {
				name = "act" + rnd.nextInt();
			} while (registredActions.contains(name));
			return name;
		}
	}

	public Action getAction() {
		return action;
	}

	public String getActionName() {
		return actionName;
	}

	public KeyStroke getStroke() {
		return stroke;
	}
}