为 RCP 提供捷径的实用 Eclipse 系统类

package eclipse_system_class; import org.eclipse.swt.SWT; import org.eclipse.swt.events.MouseAdapter; import org.eclipse.swt.events.MouseEvent; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Composite; import org.eclipse.ui.IMemento; import org.eclipse.ui.IViewSite; import org.eclipse.ui.PartInitException; import org.eclipse.ui.help.WorkbenchHelp; import org.eclipse.ui.part.ViewPart; import eclipse_system_class.usecase.BusyIndicatorUseCase; import eclipse_system_class.usecase.DisplayUseCase; import eclipse_system_class.usecase.FileLocatorUseCase; import eclipse_system_class.usecase.IDialogSettingsUseCase; import eclipse_system_class.usecase.MessageDialogWithToggleUseCase; import eclipse_system_class.usecase.PerferencesUtilUseCase; import eclipse_system_class.usecase.SafeRunnerUseCase; import eclipse_system_class.usecase.WorkbenchHelpUseCase; public class View extends ViewPart { public static final String ID = "eclipse_system_class.view"; private Composite com = null; private Button safeRunnerBtn = null; private Button busyIndicatorBtn = null; private Button perferencesUtilBtn = null; private Button iDialogSettingsBtn = null; private Button fileLocatorBtn = null; private Button workbenchHelpBtn = null; private Button messageDialogWithToggleBtn = null; private Button displayBtn = null; public void createPartControl(Composite parent) { com = new Composite(parent, SWT.NONE); com.setLayout(new GridLayout(1, true)); safeRunnerBtn = new Button(com, SWT.NONE); safeRunnerBtn.setText("SafeRunner"); safeRunnerBtn.addMouseListener(new MouseAdapter() { @Override public void mouseDown(MouseEvent e) { SafeRunnerUseCase.handleClick(); } }); busyIndicatorBtn = new Button(com, SWT.NONE); busyIndicatorBtn.setText("BusyIndicator"); busyIndicatorBtn.addMouseListener(new MouseAdapter() { @Override public void mouseDown(MouseEvent e) { BusyIndicatorUseCase.handleClick(busyIndicatorBtn); } }); perferencesUtilBtn = new Button(com, SWT.NONE); perferencesUtilBtn.setText("PerferencesUtil"); perferencesUtilBtn.addMouseListener(new MouseAdapter() { @Override public void mouseDown(MouseEvent e) { PerferencesUtilUseCase.handleClick(); } }); iDialogSettingsBtn = new Button(com, SWT.NONE); iDialogSettingsBtn.setText("IDialogSettings"); iDialogSettingsBtn.addMouseListener(new MouseAdapter() { @Override public void mouseDown(MouseEvent e) { IDialogSettingsUseCase.handleClick(); } }); fileLocatorBtn = new Button(com, SWT.NONE); fileLocatorBtn.setText("FileLocator"); fileLocatorBtn.addMouseListener(new MouseAdapter() { @Override public void mouseDown(MouseEvent e) { FileLocatorUseCase.handleClick(); } }); workbenchHelpBtn = new Button(com, SWT.NONE); workbenchHelpBtn.setText("WorkbenchHelp"); WorkbenchHelp.setHelp(com, "eclipse_system_class.contexthelp"); workbenchHelpBtn.addMouseListener(new MouseAdapter() { @Override public void mouseDown(MouseEvent e) { WorkbenchHelpUseCase.handleClick(workbenchHelpBtn); } }); messageDialogWithToggleBtn = new Button(com, SWT.NONE); messageDialogWithToggleBtn.setText("MessageDialogWithToggle"); messageDialogWithToggleBtn.addMouseListener(new MouseAdapter() { @Override public void mouseDown(MouseEvent e) { MessageDialogWithToggleUseCase.handleClick(); } }); displayBtn = new Button(com, SWT.NONE); displayBtn.setText("Display"); displayBtn.addMouseListener(new MouseAdapter() { @Override public void mouseDown(MouseEvent e) { DisplayUseCase.handleClick(getSite().getShell().getDisplay(), displayBtn); } }); } // init 和 saveState 看文章：http://www.eclipse.org/articles/viewArticle/ViewArticle2.html public void init(IViewSite site, IMemento memento) throws PartInitException { super.init(site, memento); if (memento != null){ String initData = memento.getString("initdata"); //每一次打开都会获得这个initData. } } public void saveState(IMemento memento) { //改变状态的话，就在关闭的时候存储到IMemento中 if (memento != null){ memento.putString("initdata", "IMemento init"); } } public void setFocus() { } }