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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