/*******************************************************************************
* Copyright (c) 2008-2010 Sonatype, Inc.
* 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:
* Sonatype, Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.m2e.core.ui.internal.wizards;
import java.util.List;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IFile;
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.Path;
import org.eclipse.jface.window.Window;
import org.eclipse.jface.wizard.IWizardPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.IWorkingSet;
import org.apache.maven.model.Model;
import org.eclipse.m2e.core.MavenPlugin;
import org.eclipse.m2e.core.internal.IMavenConstants;
import org.eclipse.m2e.core.project.ProjectImportConfiguration;
import org.eclipse.m2e.core.ui.internal.Messages;
import org.eclipse.m2e.core.ui.internal.WorkingSets;
import org.eclipse.m2e.core.ui.internal.actions.SelectionUtil;
import org.eclipse.m2e.core.ui.internal.components.WorkingSetGroup;
/**
* Maven2ModuleParentPage
*/
public class MavenModuleWizardParentPage extends AbstractMavenWizardPage {
private static final Logger log = LoggerFactory.getLogger(MavenModuleWizardParentPage.class);
/** the module name input field */
private Combo moduleNameCombo;
/** the parent project input field */
protected Text parentProjectText;
/** the "create simple project" checkbox */
private Button simpleProject;
/** the parent object entity */
protected Object parentObject;
/** the parent container */
private IContainer parentContainer;
/** the parent POM file */
private IFile pom;
/** the parent model */
private Model parentModel;
/** working set selector widget */
private WorkingSetGroup workingSetGroup;
private final List<IWorkingSet> workingSets;
/** Creates a new page. */
public MavenModuleWizardParentPage(ProjectImportConfiguration projectImportConfiguration,
List<IWorkingSet> workingSets) {
super("MavenModuleWizardParentPage", projectImportConfiguration);
this.workingSets = workingSets;
setTitle(Messages.wizardModulePageParentTitle);
setDescription(Messages.wizardModulePageParentDescription);
setPageComplete(false);
}
/** Creates the page controls. */
public void createControl(Composite parent) {
Composite container = new Composite(parent, SWT.NULL);
container.setLayout(new GridLayout(3, false));
simpleProject = new Button(container, SWT.CHECK);
simpleProject.setText(Messages.wizardProjectPageProjectSimpleProject);
simpleProject.setData("name", "simpleProjectButton"); //$NON-NLS-1$ //$NON-NLS-2$
simpleProject.setLayoutData(new GridData(SWT.FILL, SWT.TOP, false, false, 3, 1));
simpleProject.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
validate();
}
});
Label nameLabel = new Label(container, SWT.NONE);
GridData gd_nameLabel = new GridData();
gd_nameLabel.verticalIndent = 10;
nameLabel.setLayoutData(gd_nameLabel);
nameLabel.setText(Messages.wizardModulePageParentModuleName);
moduleNameCombo = new Combo(container, SWT.BORDER);
GridData gd_moduleNameCombo = new GridData(SWT.FILL, SWT.TOP, true, false, 2, 1);
gd_moduleNameCombo.verticalIndent = 10;
moduleNameCombo.setLayoutData(gd_moduleNameCombo);
moduleNameCombo.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent e) {
validate();
}
});
addFieldWithHistory("moduleName", moduleNameCombo); //$NON-NLS-1$
Label parentLabel = new Label(container, SWT.NONE);
parentLabel.setText(Messages.wizardModulePageParentParentProject);
parentProjectText = new Text(container, SWT.BORDER);
parentProjectText.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false, 1, 1));
parentProjectText.setEditable(false);
Button browseButton = new Button(container, SWT.NONE);
browseButton.setText(Messages.wizardModulePageParentBrowse);
browseButton.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
MavenProjectSelectionDialog dialog = new MavenProjectSelectionDialog(getShell());
if(dialog.open() == Window.OK) {
setParent(dialog.getFirstResult());
validate();
}
}
});
this.workingSetGroup = new WorkingSetGroup(container, workingSets, getShell());
createAdvancedSettings(container, new GridData(SWT.FILL, SWT.TOP, true, false, 3, 1));
initialize();
setControl(container);
}
/** Initializes the GUI components and validates the page. */
private void initialize() {
loadParent();
validate();
}
/** Validates the data entered. */
void validate() {
String moduleName = moduleNameCombo.getText().trim();
if(moduleName.length() == 0) {
setErrorMessage(null);
setMessage(Messages.wizardModulePageParentValidatorModuleName);
setPageComplete(false);
return;
}
// check whether the project name is valid
IStatus nameStatus = ResourcesPlugin.getWorkspace().validateName(moduleName, IResource.PROJECT);
if(!nameStatus.isOK()) {
setErrorMessage(nameStatus.getMessage());
setPageComplete(false);
return;
}
// check if the given folder already exists
if(parentContainer != null && parentContainer.exists(new Path(moduleName))) {
setErrorMessage(Messages.wizardModulePageParentValidatorNameExists);
setPageComplete(false);
return;
}
if(pom == null) {
setErrorMessage(null);
setMessage(Messages.wizardModulePageParentValidatorParentProject);
setPageComplete(false);
return;
}
if(!validateParent()) {
return;
}
setErrorMessage(null);
setMessage(null);
setPageComplete(true);
}
/** Assigns a parent object. */
public void setParent(Object parent) {
parentObject = parent;
loadParent();
}
/** Loads the data from the parent object. */
protected void loadParent() {
if(parentObject == null) {
return;
}
int type = SelectionUtil.getElementType(parentObject);
if(SelectionUtil.POM_FILE == type) {
pom = SelectionUtil.getType(parentObject, IFile.class);
} else if(SelectionUtil.PROJECT_WITH_NATURE == type) {
IProject project = SelectionUtil.getType(parentObject, IProject.class);
pom = project.getFile(IMavenConstants.POM_FILE_NAME);
workingSetGroup.selectWorkingSets(WorkingSets.getAssignedWorkingSets(project));
} else if(parentObject instanceof IContainer) {
pom = ((IContainer) parentObject).getFile(new Path(IMavenConstants.POM_FILE_NAME));
}
if(pom != null && pom.exists()) {
parentObject = pom;
parentContainer = pom.getParent();
try {
parentModel = MavenPlugin.getMavenModelManager().readMavenModel(pom);
validateParent();
parentProjectText.setText(parentModel.getArtifactId());
} catch(CoreException e) {
log.error("Error loading POM: " + e.getMessage(), e); //$NON-NLS-1$
}
}
}
private boolean validateParent() {
if(parentModel != null) {
if(!"pom".equals(parentModel.getPackaging())) { //$NON-NLS-1$
setMessage(null);
setErrorMessage(org.eclipse.m2e.core.ui.internal.Messages.MavenModuleWizardParentPage_error);
setPageComplete(false);
return false;
}
}
return true;
}
/** Returns "true" if the user chose not to use archetypes. */
public boolean isSimpleProject() {
return simpleProject.getSelection();
}
/** Skips the archetype selection page if the user chooses a simple project. */
public IWizardPage getNextPage() {
return getWizard()
.getPage(isSimpleProject() ? "MavenProjectWizardArtifactPage" : "MavenProjectWizardArchetypePage");
}
/** Returns the module name. */
public String getModuleName() {
return moduleNameCombo.getText();
}
/** Returns the parent model. */
public Model getParentModel() {
return parentModel;
}
/** Returns the parent POM file handle. */
public IFile getPom() {
return pom;
}
/** Returns the parent container. */
public IContainer getParentContainer() {
return parentContainer;
}
/** Offers a listener hookup to the pages watching the module name field. */
public void addModuleNameListener(ModifyListener modifyListener) {
moduleNameCombo.addModifyListener(modifyListener);
}
/** Unhooks the listener watching the module name field. */
public void removesModuleNameListener(ModifyListener modifyListener) {
moduleNameCombo.removeModifyListener(modifyListener);
}
/** Offers a listener hookup to the pages watching the parent name field. */
public void addParentProjectListener(ModifyListener modifyListener) {
parentProjectText.addModifyListener(modifyListener);
}
/** Unhooks the listener watching the parent name field. */
public void removesParentProjectListener(ModifyListener modifyListener) {
parentProjectText.removeModifyListener(modifyListener);
}
/** Offers a listener hookup to the pages watching the archetype switch. */
public void addArchetypeSelectionListener(SelectionListener selectionListener) {
simpleProject.addSelectionListener(selectionListener);
}
/** Removes the listener watching the project name field. */
public void removeArchetypeSelectionListener(SelectionListener selectionListener) {
simpleProject.removeSelectionListener(selectionListener);
}
/** Cleans up. */
public void dispose() {
super.dispose();
workingSetGroup.dispose();
}
}