spellcheckerplugin.java

Eclipse高级编程3源码(书本源码)

/*******************************************************************************
 * Copyright (c) 2003 Berthold Daum.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Common Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v10.html
 * 
 * Contributors:
 *     Berthold Daum
 *******************************************************************************/
package com.bdaum.SpellChecker;

import java.io.IOException;
import java.net.URL;

import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.ui.plugin.AbstractUIPlugin;

import com.bdaum.SpellChecker.actions.CheckSpellingActionDelegate;
import com.bdaum.SpellChecker.preferences.SpellCheckerPreferences;

/**
 * This class cares for the initialization of preferences and
 * acts as a central registry for core components such as
 * SpellCheckManager and CheckSpellingActionDelegate.
 */
public class SpellCheckerPlugin extends AbstractUIPlugin {

  // Default dictionaries
  private static final String DEFAULTDICT = "dict/english.0";
  private static final String USERDICT = "dict/user.dict";

  // The singleton
  private static SpellCheckerPlugin plugin;
  // Default preferences
  private SpellCheckerPreferences preferences;
  // Active SpellCheckManager
  private SpellCheckManager manager;
  // Active ActionDelegate
  private CheckSpellingActionDelegate spellCheckingActionDelegate;
  // Spell checking thread
  private Thread spThread;
/**
   * The Constructor.
   */
  public SpellCheckerPlugin() {
    super();
    plugin = this;
    // Set configuration for jazzy engine. We make jazzy fetch
    // the configuration from our own configuration
    // implementation.
    System.setProperty("jazzy.config",
                    "com.bdaum.SpellChecker.SpellCheckConfiguration");
  }

  /**
   * Returns the plug-in singleton
   */
  public static SpellCheckerPlugin getDefault() {
    return plugin;
  }

  /**
   * Fetches the plug-in identification.
   * 
   * @return String