shortcutcontainer.java

来自「JavaExplorer是一个独立于平台的浏览器」· Java 代码 · 共 155 行

/**
  * File and FTP Explorer
  * Copyright 2002
  * BOESCH Vincent
  *
  * 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.
  */
package javaexplorer.util.shortcut;

import objectxml.*;

import java.util.Arrays;

import javaexplorer.util.comparator.ShortcutComparator;


/**
 * Conteneur de raccourci
 *@author     BOESCH Vincent
 *@created    21 janvier 2002
 *@version    3.3
 */
public class ShortcutContainer extends Shortcut {
    private Shortcut[] _shortcuts = null;

    /**
     *  Constructeur objet ShortcutContainer
     */
    public ShortcutContainer() {
        super();
    }

    /**
     *  Adds a feature to the Shortcut attribute
     *  of the ShortcutContainer object
     *
     *@param  shortcut  The feature to be added
     *      to the Shortcut attribute
     */
    public void addShortcut(Shortcut shortcut) {
        if (shortcut == null) {
            return;
        }

        if (_shortcuts == null) {
            _shortcuts = new Shortcut[1];
            _shortcuts[0] = shortcut;
        } else {
            int index = getShortcutIndex(shortcut.getTitle());

            if (index != -1) {
                _shortcuts[index] = shortcut;
            } else {
                Shortcut[] newSc = new Shortcut[_shortcuts.length + 1];
                System.arraycopy(_shortcuts, 0, newSc, 0, _shortcuts.length);
                newSc[newSc.length - 1] = shortcut;
                _shortcuts = newSc;
            }

            Arrays.sort(_shortcuts, ShortcutComparator.getComparator());
        }
    }

    /**
     *  Gets the childCount attribute of the
     *  ShortcutContainer object
     *
     *@return    The childCount value
     */
    public int getChildCount() {
        return ((_shortcuts == null) ? 0 : _shortcuts.length);
    }

    /**
     *  Gets the shortcut attribute of the
     *  ShortcutContainer object
     *
     *@param  title  Description of the Parameter
     *@return        The shortcut value
     */
    public Shortcut getShortcut(String title) {
        int index = getShortcutIndex(title);

        if (index == -1) {
            return null;
        }

        return _shortcuts[index];
    }

    /**
     *  Gets the shortcutAt attribute of the
     *  ShortcutContainer object
     *
     *@param  index  Description of the Parameter
     *@return        The shortcutAt value
     */
    public Shortcut getShortcutAt(int index) {
        if ((index < 0) || (index > getChildCount())) {
            return null;
        }

        return _shortcuts[index];
    }

    /**
     *  Gets the shortcutIndex attribute of
     *  the ShortcutContainer object
     *
     *@param  title  Description of the Parameter
     *@return        The shortcutIndex value
     */
    public int getShortcutIndex(String title) {
        if ((_shortcuts == null) || (title == null)) {
            return -1;
        }

        for (int i = 0; i < _shortcuts.length; i++) {
            if (title.equalsIgnoreCase(_shortcuts[i].getTitle())) {
                return i;
            }
        }

        return -1;
    }

    /**
     *  Gets the shortcuts attribute of the
     *  ShortcutContainer object
     *
     *@return    The shortcuts value
     */
    public Shortcut[] getShortcuts() {
        return _shortcuts;
    }

    /**
     *@param  title  Description of the Parameter
     */
    public void removeShortcut(String title) {
        int index = getShortcutIndex(title);

        //Shortcut non trouv