实现一个自己的Netbeans导航

huaoguo — Fri, 11 Dec 2009 17:16:00 GMT

最近在用Netbeans写一个Ruby App,用到了Rspec，但是Netbeans默认的Rspec导航不支持中文describe（全是????），所以自己简单的实现了一个。参考http://docs.huihoo.com/javadoc/netbeans/5.5/org-netbeans-spi-navigator/overview-summary.html。

首先新建一个Netbeans库存，模块至少要依赖“导航API”。

然后实现NavigatorPanel接口：

/*
* author: Percival  date: 12/11/09
* Have a good day!
*/
package org.hag.netbeans.plugin.rspecnavigator;

import java.io.IOException;
import java.util.Collection;
import javax.swing.JComponent;
import javax.swing.JList;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
import org.netbeans.spi.navigator.NavigatorPanel;
import org.openide.filesystems.FileObject;
import org.openide.util.Exceptions;
import org.openide.util.Lookup;
import org.openide.util.LookupEvent;
import org.openide.util.LookupListener;

public class RspecNavigatorPanel implements NavigatorPanel {

    private JList lstDescription;
    private Lookup.Result<FileObject> lookupResult;
    private LookupListener lookupListener;

    public RspecNavigatorPanel() {
        lstDescription = new JList();
        lstDescription.addListSelectionListener(new ListSelectionListener() {

            public void valueChanged(ListSelectionEvent e) {
                RspecTag tag = (RspecTag) lstDescription.getSelectedValue();
                if (tag != null) {
                    try {
                        tag.select();
                    } catch (IOException ex) {
                        Exceptions.printStackTrace(ex);
                    }
                }
            }
        });
        lookupListener = new LookupListener() {

            public void resultChanged(LookupEvent ev) {
                Collection extends FileObject> fileObjects = lookupResult.allInstances();
                FileObject fileObject = fileObjects.isEmpty() ? null : fileObjects.iterator().next();
                RspecTagListModel listModel = new RspecTagListModel(fileObject);
                lstDescription.setModel(listModel);
            }
        };
    }

    public String getDisplayName() {
        return "Rspec Descriptions";
    }

    public String getDisplayHint() {
        return "Rspec Descriptions";
    }

    public JComponent getComponent() {
        return lstDescription;
    }

    public void panelActivated(Lookup lookup) {
        lookupResult = lookup.lookupResult(FileObject.class);
        lookupResult.addLookupListener(lookupListener);
        lookupListener.resultChanged(null);
    }

    public void panelDeactivated() {
        lookupResult.removeLookupListener(lookupListener);
    }

    public Lookup getLookup() {
        return null;
    }
}

最后在系统文件系统中注册一下：

xml version="1.0" encoding="UTF-8"?>
DOCTYPE filesystem PUBLIC "-//NetBeans//DTD Filesystem 1.1//EN" "http://www.netbeans.org/dtds/filesystem-1_1.dtd">
<filesystem>
    <folder name="Navigator">
        <folder name="Panels">
            <folder name="text">
                <folder name="x-ruby">
                    <file name="org-hag-netbeans-plugin-rspecnavigator-RspecNavigatorPanel.instance"/>
                folder>
            folder>
        folder>
    folder>
filesystem>

RspecNavigator源代码

huaoguo 2009-12-12 01:16 发表评论

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huaoguo 2009-07-04 00:41 发表评论

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huaoguo 2009-06-28 14:51 发表评论

BlogJava-Programmer-随笔分类-java

实现一个自己的Netbeans导航

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