Java tutorial
/******************************************************************************* * Copyright (c) 2004 Eric Merritt 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: Eric Merritt Vlad Dumitrescu *******************************************************************************/ package org.erlide.ui.wizards; import java.net.URI; import java.util.List; import java.util.Map; import org.eclipse.core.resources.IProject; import org.eclipse.core.resources.IResource; import org.eclipse.core.resources.ResourcesPlugin; import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.Status; import org.eclipse.jface.dialogs.ErrorDialog; import org.eclipse.jface.viewers.ISelection; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.viewers.StructuredSelection; import org.eclipse.jface.wizard.IWizardPage; import org.eclipse.jface.wizard.Wizard; import org.eclipse.ui.INewWizard; import org.eclipse.ui.IWorkbench; import org.eclipse.ui.IWorkbenchPage; import org.eclipse.ui.IWorkbenchPart; import org.eclipse.ui.IWorkbenchPartReference; import org.eclipse.ui.IWorkbenchWindow; import org.eclipse.ui.dialogs.WizardNewProjectReferencePage; import org.eclipse.ui.ide.undo.WorkspaceUndoUtil; import org.eclipse.ui.part.ISetSelectionTarget; import org.erlide.engine.NewProjectData; import org.erlide.engine.model.builder.BuilderTool; import org.erlide.engine.model.root.ErlangProjectProperties; import org.erlide.engine.model.root.ProjectConfigType; import org.erlide.ui.ErlideUIConstants; import org.erlide.ui.internal.ErlideUIPlugin; import org.erlide.util.ErlLogger; import com.google.common.collect.Lists; import com.google.common.collect.Maps; /** * Creates a new erlang project in the Eclipse workbench. * * @author Eric Merritt [cyberlync at yahoo dot com] * @author Vlad Dumitrescu */ public class NewErlangProjectWizard extends Wizard implements INewWizard { private IWorkbench workbench; private NewProjectData info; private Map<ProjectConfigType, ProjectPreferencesWizardPage> buildPages; private ErlangNewProjectCreationPage mainPage; private ErlangProjectBuilderPage builderPage; private WizardNewProjectReferencePage referencePage; private IWizardPage prevPage; @Override public void init(final IWorkbench aWorkbench, final IStructuredSelection selection) { workbench = aWorkbench; setNeedsProgressMonitor(true); } @Override public void addPages() { try { super.addPages(); info = new NewProjectData(); info.copyFrom(ErlangProjectProperties.DEFAULT); buildPages = Maps.newEnumMap(ProjectConfigType.class); mainPage = new ErlangNewProjectCreationPage("mainPage", info); mainPage.setTitle(ErlideUIPlugin.getResourceString("wizards.titles.newproject")); mainPage.setDescription(ErlideUIPlugin.getResourceString("wizards.descs.newproject")); mainPage.setImageDescriptor( ErlideUIPlugin.getDefault().getImageDescriptor(ErlideUIConstants.IMG_NEW_PROJECT_WIZARD)); addPage(mainPage); builderPage = new ErlangProjectBuilderPage("builderPage", info); builderPage.setTitle(ErlideUIPlugin.getResourceString("wizards.titles.builderprefs")); builderPage.setDescription(ErlideUIPlugin.getResourceString("wizards.descs.builderprefs")); builderPage.setImageDescriptor( ErlideUIPlugin.getDefault().getImageDescriptor(ErlideUIConstants.IMG_NEW_PROJECT_WIZARD)); addPage(builderPage); for (final ProjectConfigType builder : ProjectConfigType.values()) { final ProjectPreferencesWizardPage buildPage = ProjectPreferencesWizardPageFactory.create(builder, info); buildPages.put(builder, buildPage); buildPage.setImageDescriptor( ErlideUIPlugin.getDefault().getImageDescriptor(ErlideUIConstants.IMG_NEW_PROJECT_WIZARD)); addPage(buildPage); } // only add page if there are already projects in the workspace if (ResourcesPlugin.getWorkspace().getRoot().getProjects().length > 0) { referencePage = new WizardNewProjectReferencePage("basicReferenceProjectPage");//$NON-NLS-1$ referencePage.setTitle(WizardMessages.NewProject_referenceTitle); referencePage.setDescription(WizardMessages.NewProject_referenceDescription); addPage(referencePage); } } catch (final Exception x) { reportError(x); } } @Override public boolean performFinish() { System.out.println("CREATE " + info); IProject newProject; try { newProject = createNewProject(); } catch (final CoreException e) { System.out.println(">>> project exists!"); return false; } if (newProject == null) { return false; } updatePerspective(); selectAndReveal(newProject); return true; } private IProject createNewProject() throws CoreException { URI location = null; if (!mainPage.useDefaults()) { location = mainPage.getLocationURI(); } IProject[] refProjects = null; if (referencePage != null) { refProjects = referencePage.getReferencedProjects(); } final ProjectCreator creator = new ProjectCreator(mainPage.getProjectName(), location, refProjects, info, getContainer(), WorkspaceUndoUtil.getUIInfoAdapter(getShell())); return creator.createProject(); } private void reportError(final Exception x) { ErlLogger.error(x); final String description = ErlideUIPlugin.getResourceString("wizards.errors.projecterrordesc"); final String title = ErlideUIPlugin.getResourceString("wizards.errors.projecterrortitle"); ErrorDialog.openError(getShell(), description, title, new Status(IStatus.ERROR, ErlideUIPlugin.PLUGIN_ID, 0, x.getMessage(), x)); } @Override public IWizardPage getNextPage(final IWizardPage page) { if (page == mainPage) { return builderPage; } if (page == builderPage) { final ProjectConfigType config; if (info.getBuilder().equals(BuilderTool.MAKE) || info.getBuilder().equals(BuilderTool.INTERNAL)) { config = info.getConfigType(); } else { config = info.getBuilder().getMatchingConfigs().iterator().next(); } return buildPages.get(config); } if (buildPages.containsValue(page)) { prevPage = page; return referencePage; } return null; } @Override public IWizardPage getPreviousPage(final IWizardPage page) { if (page == builderPage) { return mainPage; } if (page == referencePage) { return prevPage; } if (buildPages.containsValue(page)) { return builderPage; } return null; } /** * Selects and reveals the newly added resource in all parts of the active workbench * window's active page. * * @see ISetSelectionTarget */ protected void selectAndReveal(final IResource newResource) { NewErlangProjectWizard.selectAndReveal(newResource, getWorkbench().getActiveWorkbenchWindow()); } /** * Attempts to select and reveal the specified resource in all parts within the * supplied workbench window's active page. * <p> * Checks all parts in the active page to see if they implement * <code>ISetSelectionTarget</code>, either directly or as an adapter. If so, tells * the part to select and reveal the specified resource. * </p> * * @param resource * the resource to be selected and revealed * @param window * the workbench window to select and reveal the resource * * @see ISetSelectionTarget */ public static void selectAndReveal(final IResource resource, final IWorkbenchWindow window) { // validate the input if (window == null || resource == null) { return; } final IWorkbenchPage page = window.getActivePage(); if (page == null) { return; } // get all the view and editor parts final List<IWorkbenchPart> parts = Lists.newArrayList(); IWorkbenchPartReference refs[] = page.getViewReferences(); for (IWorkbenchPartReference ref1 : refs) { final IWorkbenchPart part = ref1.getPart(false); if (part != null) { parts.add(part); } } refs = page.getEditorReferences(); for (IWorkbenchPartReference ref : refs) { if (ref.getPart(false) != null) { parts.add(ref.getPart(false)); } } final ISelection selection = new StructuredSelection(resource); for (IWorkbenchPart part : parts) { // get the part's ISetSelectionTarget implementation ISetSelectionTarget target = null; if (part instanceof ISetSelectionTarget) { target = (ISetSelectionTarget) part; } else { target = part.getAdapter(ISetSelectionTarget.class); } if (target != null) { // select and reveal resource final ISetSelectionTarget finalTarget = target; window.getShell().getDisplay().asyncExec(new Runnable() { @Override public void run() { finalTarget.selectReveal(selection); } }); } } } public IWorkbench getWorkbench() { return workbench; } protected void updatePerspective() { ErlideUIPlugin.getDefault().showErlangPerspective(); } }