安装插件

建立工程

LIB

Activator.java

package com.my.plugin;import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.osgi.framework.BundleContext;/*** The activator class controls the plug-in life cycle*/
public class Activator extends AbstractUIPlugin {// The plug-in IDpublic static final String PLUGIN_ID = "com.my.plugin"; //$NON-NLS-1$// The shared instanceprivate static Activator plugin;/*** The constructor*/public Activator() {}@Overridepublic void start(BundleContext context) throws Exception {super.start(context);plugin = this;}@Overridepublic void stop(BundleContext context) throws Exception {plugin = null;super.stop(context);}/*** Returns the shared instance** @return the shared instance*/public static Activator getDefault() {return plugin;}}

Activator 是插件的激活类 start()和stop()分别用于插件开始与停止调用的函数。

plugin.xml

<?xml version="1.0" encoding="UTF-8"?>
<?eclipse version="3.4"?>
<plugin><extensionpoint="org.eclipse.ui.commands"><categoryid="com.my.plugin.commands.category"name="Sample Category"></category><commandcategoryId="com.my.plugin.commands.category"name="Sample Command"id="com.my.plugin.commands.sampleCommand"></command></extension><extensionpoint="org.eclipse.ui.handlers"><handlerclass="com.my.plugin.handlers.MyPluginHandler"commandId="com.my.plugin.commands.sampleCommand"></handler></extension><extensionpoint="org.eclipse.ui.bindings"><keycommandId="com.my.plugin.commands.sampleCommand"schemeId="org.eclipse.ui.defaultAcceleratorConfiguration"contextId="org.eclipse.ui.contexts.window"sequence="CTRL+P"></key></extension><extensionpoint="org.eclipse.ui.menus"><menuContributionlocationURI="menu:org.eclipse.ui.main.menu?after=additions"><menuid="com.my.plugin.menus.sampleMenu"label="我的插件O"mnemonic="O"><commandcommandId="com.my.plugin.commands.sampleCommand"id="com.my.plugin.menus.sampleCommand"mnemonic="S"></command></menu></menuContribution><menuContributionlocationURI="toolbar:org.eclipse.ui.main.toolbar?after=additions"><toolbarid="com.my.plugin.toolbars.sampleToolbar"><commandid="com.my.plugin.toolbars.sampleCommand"commandId="com.my.plugin.commands.sampleCommand"icon="icons/sample.png"tooltip="Say hello world"></command></toolbar></menuContribution></extension><extensionpoint="org.eclipse.ui.preferencePages"><pageid="com.my.plugin.preferences.MyPluginPreferencePage"name="MyPlugin Preferences"class="com.my.plugin.preferences.MyPluginPreferencePage"></page></extension><extensionpoint="org.eclipse.core.runtime.preferences"><initializerclass="com.my.plugin.preferences.PreferenceInitializer"></initializer></extension><extensionpoint="org.eclipse.ui.splashHandlers"><splashHandlerid="com.my.plugin.splashHandlers.interactive"class="com.my.plugin.splashHandlers.InteractiveSplashHandler"></splashHandler><splashHandlerProductBindingproductId="org.eclipse.equinox.p2.director.app.product"splashId="com.my.plugin.splashHandlers.interactive"></splashHandlerProductBinding></extension><extensionpoint="org.eclipse.ui.views"><categoryname="Sample Category"id="com.my.plugin"></category><viewid="com.my.plugin.views.SampleView"name="Sample View"icon="icons/sample.png"class="com.my.plugin.views.SampleView"category="com.my.plugin"inject="true"></view></extension><extensionpoint="org.eclipse.ui.perspectiveExtensions"><perspectiveExtensiontargetID="org.eclipse.jdt.ui.JavaPerspective"><viewid="com.my.plugin.views.SampleView"relative="org.eclipse.ui.views.ProblemView"relationship="right"ratio="0.5"></view></perspectiveExtension></extension><extensionpoint="org.eclipse.help.contexts"><contextsfile="contexts.xml"></contexts></extension></plugin>

      <menuContributionlocationURI="menu:org.eclipse.ui.main.menu?after=additions"><menuid="com.my.plugin.menus.sampleMenu"label="我的插件O"mnemonic="O"><commandcommandId="com.my.plugin.commands.sampleCommand"id="com.my.plugin.menus.sampleCommand"mnemonic="S"></command></menu></menuContribution>

这个代码就是菜单，mnemonic是快捷键，按ALT+mnemonic的值，但是mnemonic的值必须要在label的值里出现。

里面子菜单（Sample Command）就是这里的command，这个command只是引用，应用的key是commandId

真正的command名字在

   <extensionpoint="org.eclipse.ui.commands"><categoryid="com.my.plugin.commands.category"name="Sample Category"></category><commandcategoryId="com.my.plugin.commands.category"name="Sample Command"id="com.my.plugin.commands.sampleCommand"></command></extension>

点击后的执行的类在

   <extensionpoint="org.eclipse.ui.handlers"><handlerclass="com.my.plugin.handlers.MyPluginHandler"commandId="com.my.plugin.commands.sampleCommand"></handler></extension>

就是com.my.plugin.handlers.MyPluginHandler

package com.my.plugin.handlers;import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.handlers.HandlerUtil;
import org.eclipse.jface.dialogs.MessageDialog;public class MyPluginHandler extends AbstractHandler {@Overridepublic Object execute(ExecutionEvent event) throws ExecutionException {IWorkbenchWindow window = HandlerUtil.getActiveWorkbenchWindowChecked(event);MessageDialog.openInformation(window.getShell(),"Plugin","Hello, Eclipse world");return null;}
}

对于这个Command还可以定义个全局的快捷键

   <extensionpoint="org.eclipse.ui.bindings"><keycommandId="com.my.plugin.commands.sampleCommand"schemeId="org.eclipse.ui.defaultAcceleratorConfiguration"contextId="org.eclipse.ui.contexts.window"sequence="CTRL+P"></key></extension>

TOOLBAR

         <toolbarid="com.my.plugin.toolbars.sampleToolbar"><commandid="com.my.plugin.toolbars.sampleCommand"commandId="com.my.plugin.commands.sampleCommand"icon="icons/sample.png"tooltip="Say hello world"></command></toolbar>

上面菜单的"Sample Command" 还可以做成一个快捷按钮，就是

相应的配置如上图

Preferences

代码如下：

package com.my.plugin.preferences;import org.eclipse.jface.preference.*;
import org.eclipse.ui.IWorkbenchPreferencePage;
import org.eclipse.ui.IWorkbench;
import com.my.plugin.Activator;public class MyPluginPreferencePageextends FieldEditorPreferencePageimplements IWorkbenchPreferencePage {public MyPluginPreferencePage() {super(GRID);setPreferenceStore(Activator.getDefault().getPreferenceStore());setDescription("这是插件说明");}public void createFieldEditors() {addField(new DirectoryFieldEditor(PreferenceConstants.P_PATH, "&F文件位置：:", getFieldEditorParent()));addField(new BooleanFieldEditor(PreferenceConstants.P_BOOLEAN,"&A可用：",getFieldEditorParent()));addField(new RadioGroupFieldEditor(PreferenceConstants.P_CHOICE,"性别",1,new String[][] { { "&N男", "0" }, {"&V女", "1" }}, getFieldEditorParent()));addField(new StringFieldEditor(PreferenceConstants.P_STRING, "&H请输入你的名字:", getFieldEditorParent()));}public void init(IWorkbench workbench) {}}

这里面有4个UI控件，都是通过addField放置上去的，每个ui都有个引用名字PreferenceConstants.P_XXXXXX

package com.my.plugin.preferences;/*** Constant definitions for plug-in preferences*/
public class PreferenceConstants {public static final String P_PATH = "pathPreference";public static final String P_BOOLEAN = "booleanPreference";public static final String P_CHOICE = "choicePreference";public static final String P_STRING = "stringPreference";}

这里的应用名字字段的值可以随意，但是不要相同

这里的UI，还有一个控制初始值（也叫默认值）

package com.my.plugin.preferences;import org.eclipse.core.runtime.preferences.AbstractPreferenceInitializer;
import org.eclipse.jface.preference.IPreferenceStore;import com.my.plugin.Activator;/*** Class used to initialize default preference values.*/
public class PreferenceInitializer extends AbstractPreferenceInitializer {public void initializeDefaultPreferences() {IPreferenceStore store = Activator.getDefault().getPreferenceStore();store.setDefault(PreferenceConstants.P_BOOLEAN, true);store.setDefault(PreferenceConstants.P_CHOICE, "0");store.setDefault(PreferenceConstants.P_STRING,"初期值");}}

如果在别的class要获取这里控件的值

IPreferenceStore ipreferenceStore = Activator.getDefault().getPreferenceStore();
// 获取控件的值当前值
ipreferenceStore.getBoolean(PreferenceConstants.CLIPBOARD_BOOLEAN);
// 获取控件的值默认值（初期的值）
ipreferenceStore.getDefaultBoolean(PreferenceConstants.CLIPBOARD_BOOLEAN)

视图

   <extensionpoint="org.eclipse.ui.views"><categoryname="插件视图"id="com.my.plugin"></category><viewid="com.my.plugin.views.SampleView"name="Sample View"icon="icons/sample.png"class="com.my.plugin.views.SampleView"category="com.my.plugin"inject="true"></view></extension>

package com.my.plugin.views;import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.part.*;
import org.eclipse.jface.viewers.*;
import org.eclipse.swt.graphics.Image;
import org.eclipse.jface.action.*;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.ui.*;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.SWT;
import javax.inject.Inject;public class SampleView extends ViewPart {/*** The ID of the view as specified by the extension.*/public static final String ID = "com.my.plugin.views.SampleView";@Inject IWorkbench workbench;private TableViewer viewer;private Action action1;private Action action2;private Action doubleClickAction;class ViewLabelProvider extends LabelProvider implements ITableLabelProvider {@Overridepublic String getColumnText(Object obj, int index) {return getText(obj);}@Overridepublic Image getColumnImage(Object obj, int index) {return getImage(obj);}@Overridepublic Image getImage(Object obj) {return workbench.getSharedImages().getImage(ISharedImages.IMG_OBJ_ELEMENT);}}public TableViewer getViewer () {return this.viewer;}@Overridepublic void createPartControl(Composite parent) {viewer = new TableViewer(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL);viewer.setContentProvider(ArrayContentProvider.getInstance());viewer.setInput(new String[] { "One", "Two", "Three" });viewer.setLabelProvider(new ViewLabelProvider());// Create the help context id for the viewer's controlworkbench.getHelpSystem().setHelp(viewer.getControl(), "com.my.plugin.viewer");getSite().setSelectionProvider(viewer);makeActions();hookContextMenu();hookDoubleClickAction();contributeToActionBars();}private void hookContextMenu() {MenuManager menuMgr = new MenuManager("#PopupMenu");menuMgr.setRemoveAllWhenShown(true);menuMgr.addMenuListener(new IMenuListener() {public void menuAboutToShow(IMenuManager manager) {SampleView.this.fillContextMenu(manager);}});Menu menu = menuMgr.createContextMenu(viewer.getControl());viewer.getControl().setMenu(menu);getSite().registerContextMenu(menuMgr, viewer);}private void contributeToActionBars() {IActionBars bars = getViewSite().getActionBars();fillLocalPullDown(bars.getMenuManager());fillLocalToolBar(bars.getToolBarManager());}private void fillLocalPullDown(IMenuManager manager) {manager.add(action1);manager.add(new Separator());manager.add(action2);}private void fillContextMenu(IMenuManager manager) {manager.add(action1);manager.add(action2);// Other plug-ins can contribute there actions heremanager.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS));}private void fillLocalToolBar(IToolBarManager manager) {manager.add(action1);manager.add(action2);}private void makeActions() {action1 = new Action() {public void run() {showMessage("Action 1 executed");}};action1.setText("文件路径1：");action1.setToolTipText("Action 1 tooltip");action1.setImageDescriptor(PlatformUI.getWorkbench().getSharedImages().getImageDescriptor(ISharedImages.IMG_OBJS_INFO_TSK));action2 = new Action() {public void run() {showMessage("Action 2 executed");}};action2.setText("\"文件路径2：");action2.setToolTipText("Action 2 tooltip");action2.setImageDescriptor(workbench.getSharedImages().getImageDescriptor(ISharedImages.IMG_OBJS_INFO_TSK));doubleClickAction = new Action() {public void run() {IStructuredSelection selection = viewer.getStructuredSelection();Object obj = selection.getFirstElement();showMessage("Double-click detected on "+obj.toString());}};}private void hookDoubleClickAction() {viewer.addDoubleClickListener(new IDoubleClickListener() {public void doubleClick(DoubleClickEvent event) {doubleClickAction.run();}});}private void showMessage(String message) {MessageDialog.openInformation(viewer.getControl().getShell(),"Sample View",message);}@Overridepublic void setFocus() {viewer.getControl().setFocus();}
}

其中实现下图效果是函数（contributeToActionBars）

实现右键菜单的是（hookContextMenu）

如果要要在别的class 获取这里的控件的值

        IWorkbenchPage page = workbenchWindow.getActivePage();SampleView sampleView = (SampleView) page.findView(SampleView.ID);sampleView.getViewer();

追加开发时在包

运行插件

导出插件

到时候E盘就会出现plugins的文件夹，插件就在里面

plugin.xml的国际化

可以利用%

      <categoryid="org.eclipse.sts4.sqllogparser.commands.category"name="%org.eclipse.sts4.sqllogparser.commands">

在plugin.xml同级目录做一个language_zh_CN.properties

org.eclipse.sts4.sqllogparser.commands=SQL解析

在META-INF/MANIFEST.MF里设置

Bundle-Localization: language

在做测试的时候language_zh_CN.properties必须放置在plugin.xml同级目录才有效。但是实际打包的后，language_zh_CN.properties放置在src目录里也可以，因为打成包后language_zh_CN.properties都会出现在最外层目录

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