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用JBuilder实现类似VisualStudio的宏扩展功能

 2008-01-05 08:35:08 来源:WEB开发网   
核心提示:对于Visual Studio的宏,大家应该很熟悉了,用JBuilder实现类似VisualStudio的宏扩展功能,这是一篇关于JBuilder实现类似Visual Studio的宏扩展功能,我们就通过对一段代码是否注释掉作为简单例子,编译成功后将生成的class打包成一个javaCommentSwitch.jar文

  对于Visual Studio的宏,大家应该很熟悉了,这是一篇关于JBuilder实现类似Visual Studio的宏扩展功能,我们就通过对一段代码是否注释掉作为简单例子。大家可以实现自己的一些扩展,算是抛玉引砖了。
  
  支持环境: Jbuilder 4.0 - JBuilder 7.0
  
  使用JBuilder编译时需要在 Project ---> Project Properties ---> Required Libaries中加上Jbuilder下的 Open Tool SDK,编译成功后将生成的class打包成一个javaCommentSwitch.jar文件,其中包含这样一个文件META-INF\Manifest.mf,该文件内容如下:
  
  Manifest-Version: 1.0
  
  OpenTools-UI: JavaCommentSwitch
  
  不需要什么具体的讲解,代码如下:
  
  /*===============================================
  文件一: IDEActions.java
  ===============================================*/
  /**
  *
  
  Title: JBuilder IDE Toolbox
  
  *
  Description: http://www.vchelp.net/itbookreview/view_user.asp?user_name=Ghost
  
  *
  Copyright: Copyright (c) 2002 Ghost Studio. All Rights Reserved.
  
  *
  Company: Ghost Studio
  
  * @author 阿鬼 [mornlee@21cn.com]
  * @version 1.0
  */
  
  import com.borland.PRimetime.actions.ActionGroup;
  import com.borland.primetime.editor.EditorContextActionProvider;
  import com.borland.primetime.editor.EditorPane;
  import javax.swing.Action;
  
  public class IDEActions
  {
  private static final String STRING_ActionGroupName = "JBuilder IDE Toolbox"; // ActiveGroup's Name
  public static final EditorContextActionProvider CONTEXTMENU_ActionProvider = new EditorContextActionProvider()
  {
  public Action getContextAction(EditorPane target)
  {
  ActionGroup actionGroup = new ActionGroup();
  ActionGroup actionSubGroup = new ActionGroup(STRING_ActionGroupName);
  actionSubGroup.add(JavaCommentSwitch.ACTION_GenerateJavaCommentSwitch);
  // 此处可以增加更多的功能
  // ......
  actionGroup.add(actionSubGroup);
  return actionGroup;
  }
  
  public int getPriority()
  {
  return 0;
  }
  };
  
  public IDEActions()
  {
  }
  
  static class ction
  implements EditorContextActionProvider
  {
  public Action getContextAction(EditorPane target)
  {
  ActionGroup actionGroup = new ActionGroup();
  ActionGroup actionSubGroup = new ActionGroup(STRING_ActionGroupName);
  actionSubGroup.add(JavaCommentSwitch.ACTION_GenerateJavaCommentSwitch);
  actionGroup.add(actionSubGroup);
  return actionGroup;
  }
  
  public int getPriority()
  {
  return 0;
  }
  
  ction()
  {
  }
  }
  
  }
  
  /*===============================================
  文件二: JavaCommentSwitch.java
  ===============================================*/
  
  /**
  *
  
  Title: JBuilder IDE Toolbox
  
  *
  Description: http://www.vchelp.net/itbookreview/view_user.asp?user_name=ghost
  
  *
  Copyright: Copyright (c) 2002 Ghost Studio. All Rights Reserved.
  
  *
  Company: Ghost Studio
  
  * @author 阿鬼 [mornlee@21cn.com]
  * @version 1.0
  */
  
  import com.borland.jbuilder.jot.*;
  import com.borland.jbuilder.node.JBProject;
  import com.borland.jbuilder.node.JavaFileNode;
  import com.borland.primetime.editor.*;
  import com.borland.primetime.ide.Browser;
  import com.borland.primetime.node.FileNode;
  import com.borland.primetime.node.Node;
  import com.borland.primetime.vfs.Url;
  import java.awt.event.ActionEvent;
  import java.beans.PropertyChangeEvent;
  import java.beans.PropertyChangeListener;
  import java.io.File;
  import java.io.PrintStream;
  import javax.swing.*;
  import javax.swing.text.JTextComponent;
  import javax.swing.text.Keymap;
  
  public class JavaCommentSwitch extends EditorAction
  implements PropertyChangeListener
  {
  private static final String versionString = "0.1";
  public static EditorAction ACTION_CreateJavaCommentSwitch = new JavaCommentSwitch("JavaCommentSwitch");
  protected static String STR_LONG_DESCRIPTION = "Comment/Uncomment for selection."; // 状态条显示
  protected static String STR_SHORT_DESCRIPTION = "Comment/Uncomment for selection.";
  public static EditorAction ACTION_GenerateJavaCommentSwitch = new JavaCommentSwitch("JavaCommentSwitch", true);
  protected static String MENU_STR_LONG_DESCRIPTION = "Comment/Uncomment for selection";
  protected static String MENU_STR_SHORT_DESCRIPTION = "Comment/Uncomment";
  static Browser browser = null;
  private EditorPane target;
  private String errorMessageText;
  private boolean isMenuAction;
  
  public JavaCommentSwitch(String name)
  {
  super(name);
  target = null;
  errorMessageText = "";
  isMenuAction = false;
  }
  
  public JavaCommentSwitch(String name, boolean isMenuAction)
  {
  super(name);
  target = null;
  errorMessageText = "";
  this.isMenuAction = isMenuAction;
  }
  
  public static void initOpenTool(byte majorVersion, byte minorVersion)
  {
  if(majorVersion < 4) // 支持Jbuilder 4.0以上
  return;
  EditorManager.registerContextActionProvider(IDEActions.CONTEXTMENU_ActionProvider);
  ACTION_GenerateJavaCommentSwitch.putValue("LongDescription", MENU_STR_LONG_DESCRIPTION);
  ACTION_GenerateJavaCommentSwitch.putValue("ShortDescription", MENU_STR_SHORT_DESCRIPTION);
  EditorActions.addBindableEditorAction(ACTION_CreateJavaCommentSwitch);
  ACTION_CreateJavaCommentSwitch.putValue("LongDescription", STR_LONG_DESCRIPTION);
  ACTION_CreateJavaCommentSwitch.putValue("ShortDescription", STR_SHORT_DESCRIPTION);
  Keymap keymap = EditorManager.getKeymap(); // 支持快捷键 ALT + F10
  if(keymap != null)
  {
  KeyStroke stroke[] = keymap.getKeyStrokesForAction(ACTION_CreateJavaCommentSwitch);
  if(stroke == null)
  keymap.addActionForKeyStroke(KeyStroke.getKeyStroke(java.awt.Event.F10,
  java.awt.Event.ALT_MASK ), ACTION_CreateJavaCommentSwitch);
  }
  EditorManager.addPropertyChangeListener((PropertyChangeListener)ACTION_CreateJavaCommentSwitch);
  }
  
  public void actionPerformed(ActionEvent evt)
  {
  target = getEditorTarget(evt);
  Node theNode = getNode();
  if(theNode == null)
  return;
  JBProject proj = (JBProject)theNode.getProject();
  JotClass theClass = getClass(theNode);
  if(isMenuAction)
  if(theClass != null)
  runJavaCommentSwitch();
  else
  JOptionPane.showMessageDialog(null,
       "Current Editor target is not a java class.",
       "Error creating javadoc", 0);
  }
  
  /**
  * @description
  *
  * @param
  * @return
  * @exception
  */
  private boolean runJavaCommentSwitch()
  {
  String selection = target.getSelectedText();
  String newSelection = "";
  // 去掉注释
  if(selection.trim().startsWith("/*") && selection.trim().endsWith("*/"))
  {
  StringBuffer sb = new StringBuffer(selection);
  newSelection = sb.substring(2, selection.length() - 2);
  }
  // 添加注释
  else
  {
  newSelection = String.valueOf(String.valueOf((new StringBuffer("/*")).append(selection).append("*/")));
  }
  target.replaceSelection(newSelection);
  return true;
  }
  
  public void propertyChange(PropertyChangeEvent evt)
  {
  String propertyName = evt.getPropertyName();
  if(propertyName.equals("keymap"))
  {

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