Java tutorial
/******************************************************************************* * Copyright (c) 2000, 2007 IBM Corporation and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * IBM Corporation - initial API and implementation *******************************************************************************/ package org.eclipse.team.internal.ccvs.ui.wizards; import java.lang.reflect.InvocationTargetException; import java.util.Properties; import org.eclipse.core.runtime.IProgressMonitor; import org.eclipse.core.runtime.IStatus; import org.eclipse.jface.dialogs.*; import org.eclipse.jface.operation.IRunnableWithProgress; import org.eclipse.jface.preference.IPreferenceStore; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.wizard.Wizard; import org.eclipse.osgi.util.NLS; import org.eclipse.team.core.TeamException; import org.eclipse.team.internal.ccvs.core.CVSException; import org.eclipse.team.internal.ccvs.core.ICVSRepositoryLocation; import org.eclipse.team.internal.ccvs.core.util.KnownRepositories; import org.eclipse.team.internal.ccvs.ui.*; import org.eclipse.team.internal.ui.Utils; import org.eclipse.ui.*; public class NewLocationWizard extends Wizard implements INewWizard { protected ConfigurationWizardMainPage mainPage; protected Properties properties = null; private boolean switchPerspectives = true; /** * Return the settings used for all location pages */ public static IDialogSettings getLocationDialogSettings() { IDialogSettings workbenchSettings = CVSUIPlugin.getPlugin().getDialogSettings(); IDialogSettings section = workbenchSettings.getSection("NewLocationWizard");//$NON-NLS-1$ if (section == null) { section = workbenchSettings.addNewSection("NewLocationWizard");//$NON-NLS-1$ } return section; } public NewLocationWizard() { IDialogSettings section = getLocationDialogSettings(); setDialogSettings(section); setWindowTitle(CVSUIMessages.NewLocationWizard_title); setNeedsProgressMonitor(true); } public NewLocationWizard(Properties initialProperties) { this(); this.properties = initialProperties; } /** * Creates the wizard pages */ public void addPages() { mainPage = createMainPage(); if (properties != null) { mainPage.setProperties(properties); } mainPage.setShowValidate(true); mainPage.setDescription(CVSUIMessages.NewLocationWizard_description); mainPage.setDialogSettings(getDialogSettings()); addPage(mainPage); } protected ConfigurationWizardMainPage createMainPage() { return new ConfigurationWizardMainPage("repositoryPage1", CVSUIMessages.NewLocationWizard_heading, //$NON-NLS-1$ CVSUIPlugin.getPlugin().getImageDescriptor(ICVSUIConstants.IMG_WIZBAN_NEW_LOCATION)); } /* * @see IWizard#performFinish */ public boolean performFinish() { final ICVSRepositoryLocation[] location = new ICVSRepositoryLocation[] { null }; boolean keepLocation = false; try { // Create a handle to a repository location location[0] = mainPage.getLocation(); // Add the location quitely so we can validate location[0] = KnownRepositories.getInstance().addRepository(location[0], false /* don't tell anybody */); if (mainPage.getValidate()) { try { getContainer().run(true, true, new IRunnableWithProgress() { public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException { try { location[0].validateConnection(monitor); } catch (TeamException e) { throw new InvocationTargetException(e); } } }); keepLocation = true; } catch (InterruptedException e) { // Cancelled by user. Fall through to dispose of location } catch (InvocationTargetException e) { Throwable t = e.getTargetException(); if (t instanceof TeamException) { throw (TeamException) t; } else if (t instanceof Exception) { throw CVSException.wrapException((Exception) t); } else { throw CVSException.wrapException(e); } } } else { keepLocation = true; } } catch (TeamException e) { if (location[0] == null) { // Exception creating the root, we cannot continue CVSUIPlugin.openError(getContainer().getShell(), CVSUIMessages.NewLocationWizard_exception, null, e); return false; } else { // Exception validating. We can continue if the user wishes. IStatus error = e.getStatus(); if (error.isMultiStatus() && error.getChildren().length == 1) { error = error.getChildren()[0]; } if (error.isMultiStatus()) { CVSUIPlugin.openError(getContainer().getShell(), CVSUIMessages.NewLocationWizard_validationFailedTitle, null, e); } else { keepLocation = MessageDialog.openQuestion(getContainer().getShell(), CVSUIMessages.NewLocationWizard_validationFailedTitle, NLS.bind(CVSUIMessages.NewLocationWizard_validationFailedText, (new Object[] { error.getMessage() }))); } } } if (keepLocation) { KnownRepositories.getInstance().addRepository(location[0], true /* let the world know */); if (switchPerspectives) { final IWorkbench workbench = PlatformUI.getWorkbench(); final IWorkbenchWindow window = workbench.getActiveWorkbenchWindow(); final String defaultPerspectiveID = promptForPerspectiveSwitch(); if (defaultPerspectiveID != null) { try { workbench.showPerspective(defaultPerspectiveID, window); } catch (WorkbenchException e) { Utils.handleError(window.getShell(), e, CVSUIMessages.ShowAnnotationOperation_0, e.getMessage()); } } } } else { KnownRepositories.getInstance().disposeRepository(location[0]); } return keepLocation; } public void init(IWorkbench workbench, IStructuredSelection selection) { // Nothing to do } public void setSwitchPerspectives(boolean switchPerspectives) { this.switchPerspectives = switchPerspectives; } private String promptForPerspectiveSwitch() { // check whether we should ask the user. final IPreferenceStore store = CVSUIPlugin.getPlugin().getPreferenceStore(); final String option = store.getString(ICVSUIConstants.PREF_CHANGE_PERSPECTIVE_ON_NEW_REPOSITORY_LOCATION); final String desiredID = CVSPerspective.ID; if (option.equals(MessageDialogWithToggle.ALWAYS)) return desiredID; // no, always switch if (option.equals(MessageDialogWithToggle.NEVER)) return null; // no, never switch // Check whether the desired perspective is already active. final IPerspectiveRegistry registry = PlatformUI.getWorkbench().getPerspectiveRegistry(); final IPerspectiveDescriptor desired = registry.findPerspectiveWithId(desiredID); final IWorkbenchPage page = CVSUIPlugin.getActivePage(); if (page != null) { final IPerspectiveDescriptor current = page.getPerspective(); if (current != null && current.getId().equals(desiredID)) { return null; // it is active, so no prompt and no switch } } if (desired != null) { String message; ; String desc = desired.getDescription(); if (desc == null) { message = NLS.bind(CVSUIMessages.NewLocationWizard_2, new String[] { desired.getLabel() }); } else { message = NLS.bind(CVSUIMessages.NewLocationWizard_3, new String[] { desired.getLabel(), desc }); } // Ask the user whether to switch final MessageDialogWithToggle m = MessageDialogWithToggle.openYesNoQuestion(Utils.getShell(null), CVSUIMessages.NewLocationWizard_1, message, CVSUIMessages.NewLocationWizard_4, false /* toggle state */, store, ICVSUIConstants.PREF_CHANGE_PERSPECTIVE_ON_NEW_REPOSITORY_LOCATION); final int result = m.getReturnCode(); switch (result) { // yes case IDialogConstants.YES_ID: case IDialogConstants.OK_ID: return desiredID; // no case IDialogConstants.NO_ID: return null; } } return null; } }