/*******************************************************************************
* Copyright (c) 2008 Pierre-Antoine Grégoire.
* 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:
* Pierre-Antoine Grégoire - initial API and implementation
*******************************************************************************/
package org.org.eclipse.helpers.core.internal.handlers;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IWorkspaceRoot;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.window.Window;
import org.eclipse.jface.wizard.IWizard;
import org.eclipse.jface.wizard.WizardDialog;
import org.eclipse.ui.handlers.HandlerUtil;
import org.eclipse.wst.common.project.facet.core.IFacetedProject;
import org.eclipse.wst.common.project.facet.core.ProjectFacetsManager;
import org.eclipse.wst.common.project.facet.ui.ModifyFacetedProjectWizard;
import org.org.eclipse.core.utils.platform.commands.handlers.AbstractExtendedHandler;
import org.org.eclipse.core.utils.platform.dialogs.input.IFieldIdentifier;
import org.org.eclipse.core.utils.platform.dialogs.input.IFieldValueHolder;
import org.org.eclipse.core.utils.platform.dialogs.input.IFieldsValidator;
import org.org.eclipse.core.utils.platform.dialogs.input.IValidationResult;
import org.org.eclipse.core.utils.platform.dialogs.input.StringBuilderValidationResult;
import org.org.eclipse.core.utils.platform.dialogs.message.ErrorDialog;
import org.org.eclipse.core.utils.platform.dialogs.message.InfoDialog;
import org.org.eclipse.core.utils.platform.dialogs.message.WarningDialog;
import org.org.eclipse.helpers.core.internal.dialog.ProjectChoicePromptDialog;
/**
* Our sample handler extends AbstractHandler, an IHandler base class.
*
* @see org.eclipse.core.commands.IHandler
* @see org.eclipse.core.commands.AbstractHandler
*/
public class OpenWSTFacetsWizardHandler extends AbstractExtendedHandler<Object> {
private static final String COMMAND_ID = "org.org.eclipse.helpers.core.OpenWSTFacetsWizardCommand";
private static final String TARGET_PROJECT_NAME_PARAMETER = COMMAND_ID + ".targetProjects";
private static final String COMMA = ",";
/**
* The constructor.
*/
public OpenWSTFacetsWizardHandler() {
}
/**
* the command has been executed, so extract extract the needed information from the application context.
*/
public Object doExecute(ExecutionEvent event, org.org.eclipse.core.utils.platform.commands.handlers.IExecutionSavedContext executionSavedContext) throws ExtendedHandlerExecutionException {
IWorkspaceRoot workspaceRoot = ResourcesPlugin.getWorkspace().getRoot();
Set<IProject> projects = new HashSet<IProject>();
final String projectNames = event.getParameter(TARGET_PROJECT_NAME_PARAMETER);
validateProjectNames(workspaceRoot, projects, projectNames);
if (projects.size() == 0) {
ISelection selection = HandlerUtil.getCurrentSelection(event);
if (selection != null && selection instanceof IStructuredSelection) {
IStructuredSelection structuredSelection = (IStructuredSelection) selection;
for (Iterator<?> it = structuredSelection.iterator(); it.hasNext();) {
Object selectedObject = it.next();
if (IProject.class.isAssignableFrom(selectedObject.getClass())) {
projects.add((IProject) selectedObject);
} else if (IFacetedProject.class.isAssignableFrom(selectedObject.getClass())) {
projects.add(((IFacetedProject) selectedObject).getProject());
} else if (IJavaProject.class.isAssignableFrom(selectedObject.getClass())) {
projects.add(((IJavaProject) selectedObject).getProject());
} else if (IResource.class.isAssignableFrom(selectedObject.getClass())) {
projects.add(((IResource) selectedObject).getProject());
} else if (IJavaElement.class.isAssignableFrom(selectedObject.getClass())) {
projects.add(((IJavaElement) selectedObject).getJavaProject().getProject());
}
}
} else {
List<IProject> workspaceProjectsWithFacets = getProjectsWithFacets(workspaceRoot);
if (workspaceProjectsWithFacets.size() > 0) {
ProjectChoicePromptDialog userPromptDialog = new ProjectChoicePromptDialog(HandlerUtil.getActiveShell(event), workspaceProjectsWithFacets);
userPromptDialog.setValidator(new IFieldsValidator() {
@SuppressWarnings("rawtypes")
public IValidationResult validate(Map<IFieldIdentifier, IFieldValueHolder> fieldValueHolders) {
StringBuilderValidationResult validationResult = new StringBuilderValidationResult();
String[] chosenProjects = (String[]) fieldValueHolders.get(ProjectChoicePromptDialog.CHOSEN_PROJECT_FIELD).getValue();
if (chosenProjects == null || chosenProjects.length == 0) {
validationResult.append("Please choose at least one project.");
}
return validationResult;
}
});
if (userPromptDialog.open() == Window.OK) {
String[] chosenProjects = userPromptDialog.getChosenProjects();
for (String projectName : chosenProjects) {
IProject project = workspaceRoot.getProject(projectName);
projects.add(project);
}
}
} else {
WarningDialog warningDialog = new WarningDialog("No project", "No project without Faceted nature.");
warningDialog.open();
}
}
}
if (projects.size() > 0) {
for (IProject project : projects) {
try {
if (projects.size() > 1) {
InfoDialog infoDialog = new InfoDialog("Project " + project.getName(), "Opening facets wizard for project:" + project.getName());
infoDialog.open();
}
IWizard wizard = new ModifyFacetedProjectWizard(ProjectFacetsManager.create(project));
WizardDialog wizardDialog = new WizardDialog(HandlerUtil.getActiveShell(event), wizard);
wizardDialog.open();
} catch (CoreException e) {
ErrorDialog errorDialog = new ErrorDialog("Error", "Impossible to open facets wizard.");
errorDialog.open();
}
}
}
return null;
}
private List<IProject> getProjectsWithFacets(IWorkspaceRoot workspaceRoot) {
List<IProject> allProjects = Arrays.asList(workspaceRoot.getProjects());
List<IProject> result = new ArrayList<IProject>();
for (IProject project : allProjects) {
try {
if (project.hasNature("org.eclipse.wst.common.project.facet.core.nature")) {
result.add(project);
}
} catch (CoreException e) {
// Do something deeply meaningful
}
}
return result;
}
private void validateProjectNames(IWorkspaceRoot workspaceRoot, Set<IProject> projects, String projectNames) {
if (projectNames != null) {
for (String projectName : projectNames.split(COMMA)) {
IProject project = workspaceRoot.getProject(projectName);
if (project.exists()) {
projects.add(project);
}
}
}
}
}