使用Eclipse中的更新配置界面

在Eclipse中的众多特性中有一条可以自动更新的功能，

 

我们可能在实际使用中也需要Eclipse那样的更新功能，而Eclipse提供了更新和管理插件的配置对话框，在这里我们可用发扬发扬"拿来主义",直接拿过来用，过程很简单，步骤如下

新建一个插件项目，然后打开 plugin.xml 文件，切换到 Extensions 选项卡，增加"org.eclipse.ui.actionSets" 扩展点，然后新建如下节点

下面是整个plugin.xml 文件内容

<?xml version="1.0" encoding="UTF-8"?>
<?eclipse version="3.2"?>
<plugin>

   <extension
         id="application"
         point="org.eclipse.core.runtime.applications">
      <application>
         <run
               class="updateandinstall.Application">
         </run>
      </application>
   </extension>
   <extension
         point="org.eclipse.ui.perspectives">
      <perspective
            name="Perspective"
            class="updateandinstall.Perspective"
            id="UpdateAndInstall.perspective">
      </perspective>
   </extension>
   <extension
         point="org.eclipse.ui.views">
      <view
            name="View"
            class="updateandinstall.View"
            id="UpdateAndInstall.view">
      </view>
   </extension>
   <extension
         point="org.eclipse.ui.actionSets">
      <actionSet
            id="SMS.actionSet1"
            label="软件更新">
         <menu
               id="SMS.menu3"
               label="软件更新">
            <separator
                  name="group0">
            </separator>
            <separator
                  name="group1">
            </separator>
         </menu>
         <action
               class="updateandinstall.actions.InstallWizardAction"
               disabledIcon="icons/update/usearch_obj.gif"
               icon="icons/update/usearch_obj.gif"
               id="SMS.action3"
               label="查找并安装"
               style="push">
         </action>
         <action
               class="updateandinstall.actions.ConfigurationManagerAction"
               disabledIcon="icons/update/configs.gif"
               icon="icons/update/configs.gif"
               id="SMS.action4"
               label="配置管理"
               style="push">
         </action>
      </actionSet>
   </extension>

</plugin>
    

 我们要使这个扩展菜单项生效，必须要新建对应的Action类来负责执行操作，先来看"查找并安装"对应的Action类  InstallWizardAction .java

package updateandinstall.actions;

import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.swt.custom.BusyIndicator;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.IWorkbenchWindowActionDelegate;
import org.eclipse.ui.PlatformUI;
import org.eclipse.update.ui.UpdateManagerUI;

public class InstallWizardAction extends Action implements IWorkbenchWindowActionDelegate{

    private IWorkbenchWindow window;
    
    public InstallWizardAction(){
        
    }
    public void dispose() {
        // TODO 自动生成方法存根
        
    }

    public void init(IWorkbenchWindow window) {
        this.window=window;
    }

    public void run(IAction action) {
        openInstaller(PlatformUI.getWorkbench().getActiveWorkbenchWindow());
    }

    public void selectionChanged(IAction action, ISelection selection) {
        // TODO 自动生成方法存根
        
    }
    
    private void openInstaller(final IWorkbenchWindow window){
        BusyIndicator.showWhile(window.getShell().getDisplay(),new Runnable(){
            public void run(){
                UpdateManagerUI.openInstaller(window.getShell());
            }
        });
    }
}    

我们通过这个类直接调用更新管理器中提供的API就行了

"配置管理" 对应的Action类  ConfigurationManagerAction .java

package updateandinstall.actions;

import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.swt.custom.BusyIndicator;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.IWorkbenchWindowActionDelegate;
import org.eclipse.update.ui.UpdateManagerUI;

public class ConfigurationManagerAction implements IWorkbenchWindowActionDelegate{

    private IWorkbenchWindow window;

    public void dispose() {
        // TODO 自动生成方法存根
        
    }

    public void init(IWorkbenchWindow window) {
        this.window=window;
    }

    public void run(IAction action) {
        BusyIndicator.showWhile(window.getShell().getDisplay(),new Runnable(){
            public void run(){
                UpdateManagerUI.openConfigurationManager(window.getShell());
            }
        });
    }

    public void selectionChanged(IAction action, ISelection selection) {
        // TODO 自动生成方法存根
    }
}    

  这样的话我们就可以使用Eclipse中更新管理器中的更新功能了，在程序打包的时候好记得把关于更新的插件给打包进去就行了