Java tutorial
/******************************************************************************* * Copyright (c) 2009, 2012 eXXcellent solutions gmbh, EclipseSource Corporation, * 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: * Achim Demelt, eXXcellent solutions gmbh - initial API and implementation * EclipseSource - initial API and implementation, ongoing enhancements * IBM Corporation - ongoing enhancements *******************************************************************************/ package org.eclipse.pde.internal.ui.launcher; import java.util.*; import org.eclipse.core.resources.IProject; import org.eclipse.core.runtime.*; import org.eclipse.debug.core.ILaunchConfiguration; import org.eclipse.debug.core.IStatusHandler; import org.eclipse.debug.ui.*; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.viewers.StructuredSelection; import org.eclipse.ltk.core.refactoring.Change; import org.eclipse.osgi.util.NLS; import org.eclipse.pde.internal.launching.PDELaunchingPlugin; import org.eclipse.pde.internal.launching.PDEMessages; import org.eclipse.pde.internal.launching.launcher.LauncherUtils; import org.eclipse.pde.internal.ui.PDEPlugin; import org.eclipse.pde.internal.ui.PDEUIMessages; import org.eclipse.pde.internal.ui.wizards.tools.OrganizeManifestsProcessor; import org.eclipse.pde.launching.IPDELauncherConstants; import org.eclipse.pde.ui.launcher.MainTab; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Shell; import org.eclipse.ui.IWorkbenchWindow; public class LauncherUtilsStatusHandler implements IStatusHandler { public Object handleStatus(IStatus status, Object source) throws CoreException { int code = status.getCode(); switch (code) { case LauncherUtils.WORKSPACE_LOCKED: Object[] args = (Object[]) source; handleWorkspaceLocked((String) args[0], (ILaunchConfiguration) args[1], (String) args[2]); break; case LauncherUtils.CLEAR_LOG: return clearLog(); case LauncherUtils.DELETE_WORKSPACE: return deleteWorkspace((String) source); case LauncherUtils.GENERATE_CONFIG_INI: return generateConfigIni(); case LauncherUtils.ORGANIZE_MANIFESTS: Object[] args2 = (Object[]) source; organizeManifests((ArrayList<?>) args2[0], (IProgressMonitor) args2[1], (Properties) args2[2]); break; case LauncherUtils.SELECT_WORKSPACE_FIELD: ILaunchConfigurationDialog dialog = (ILaunchConfigurationDialog) source; selectWorkspaceField(dialog); break; } return null; } private void selectWorkspaceField(ILaunchConfigurationDialog dialog) { ILaunchConfigurationTab[] tabs = dialog.getTabs(); for (int i = 0; i < tabs.length; i++) { ILaunchConfigurationTab tab = tabs[i]; if (tab instanceof MainTab) { MainTab mainTab = (MainTab) tab; dialog.setActiveTab(mainTab); mainTab.applyData(IPDELauncherConstants.LOCATION); } } } private Boolean generateConfigIni() { String message = PDEUIMessages.LauncherUtils_generateConfigIni; return Boolean.valueOf(generateDialog(message).intValue() == 0); } private Integer deleteWorkspace(String path) { return generateDialog( NLS.bind(PDEUIMessages.WorkbenchLauncherConfigurationDelegate_confirmDeleteWorkspace, path)); } private Integer clearLog() { return generateDialog(PDEUIMessages.LauncherUtils_clearLogFile); } private void handleWorkspaceLocked(String workspace, ILaunchConfiguration launchConfig, String mode) { String message = NLS.bind(PDEMessages.LauncherUtils_cannotLaunchApplication, workspace); generateErrorDialog(PDEUIMessages.LauncherUtils_workspaceLocked, message, launchConfig, mode); } private void organizeManifests(final ArrayList<?> projects, final IProgressMonitor monitor, final Properties lastRun) { Display.getDefault().syncExec(new Runnable() { public void run() { OrganizeManifestsProcessor processor = new OrganizeManifestsProcessor(projects); initializeProcessor(processor); try { Change change = processor.createChange(monitor); change.perform(monitor); // update table for each project with current time stamp Properties table = lastRun; String ts = Long.toString(System.currentTimeMillis()); Iterator<?> it = projects.iterator(); while (it.hasNext()) table.put(((IProject) it.next()).getName(), ts); } catch (OperationCanceledException e) { } catch (CoreException e) { } } }); } public static Display getDisplay() { Display display = Display.getCurrent(); if (display == null) { display = Display.getDefault(); } return display; } public final static Shell getActiveShell() { IWorkbenchWindow window = PDEPlugin.getDefault().getWorkbench().getActiveWorkbenchWindow(); if (window == null) { IWorkbenchWindow[] windows = PDEPlugin.getDefault().getWorkbench().getWorkbenchWindows(); if (windows.length > 0) return windows[0].getShell(); } else return window.getShell(); return getDisplay().getActiveShell(); } private static void initializeProcessor(OrganizeManifestsProcessor processor) { processor.setAddMissing(false); processor.setRemoveUnresolved(false); processor.setModifyDep(false); processor.setRemoveLazy(false); processor.setRemoveUselessFiles(false); processor.setAddDependencies(true); processor.setCalculateUses(false); processor.setMarkInternal(false); processor.setPrefixIconNL(false); processor.setUnusedDependencies(false); processor.setUnusedKeys(false); } /** * Creates a message dialog using a syncExec in case we are launching in the background. * Dialog will be a question dialog with Yes, No and Cancel buttons. * @param message Message to use in the dialog * @return int representing the button clicked (-1 or 2 for cancel, 0 for yes, 1 for no). */ private static Integer generateDialog(final String message) { final int[] result = new int[1]; getDisplay().syncExec(new Runnable() { public void run() { String title = PDEUIMessages.LauncherUtils_title; MessageDialog dialog = new MessageDialog(getActiveShell(), title, null, message, MessageDialog.QUESTION, new String[] { IDialogConstants.YES_LABEL, IDialogConstants.NO_LABEL, IDialogConstants.CANCEL_LABEL }, 0); result[0] = dialog.open(); } }); return new Integer(result[0]); } private static void generateErrorDialog(final String title, final String message, final ILaunchConfiguration launchConfig, final String mode) { getDisplay().syncExec(new Runnable() { public void run() { Shell parentShell = getActiveShell(); MessageDialog dialog = new MessageDialog(parentShell, title, null, message, MessageDialog.ERROR, new String[] { PDEUIMessages.LauncherUtils_edit, IDialogConstants.OK_LABEL }, 1); int res = dialog.open(); if (res == 0) { IStructuredSelection selection = new StructuredSelection(launchConfig); ILaunchGroup group = DebugUITools.getLaunchGroup(launchConfig, mode); String groupIdentifier = group == null ? IDebugUIConstants.ID_RUN_LAUNCH_GROUP : group.getIdentifier(); IStatus status = new Status(IStatus.OK, PDELaunchingPlugin.getPluginId(), LauncherUtils.SELECT_WORKSPACE_FIELD, "", null); //$NON-NLS-1$ DebugUITools.openLaunchConfigurationDialogOnGroup(parentShell, selection, groupIdentifier, status); } } }); } }