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/*******************************************************************************
* Copyright (c) 2000, 2010 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.mylyn.internal.commons.repositories.ui.wizards;
import java.util.StringTokenizer;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.wizard.IWizard;
import org.eclipse.jface.wizard.Wizard;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.internal.IWorkbenchGraphicConstants;
import org.eclipse.ui.internal.WorkbenchImages;
import org.eclipse.ui.internal.WorkbenchMessages;
import org.eclipse.ui.wizards.IWizardCategory;
import org.eclipse.ui.wizards.IWizardDescriptor;
/**
* The new wizard is responsible for allowing the user to choose which new (nested) wizard to run. The set of available
* new wizards comes from the new extension point.
*/
public class NewRepositoryWizard extends Wizard {
private static final String CATEGORY_SEPARATOR = "/"; //$NON-NLS-1$
private String categoryId = null;
private NewRepositoryWizardSelectionPage mainPage;
private boolean projectsOnly = false;
private IStructuredSelection selection;
private IWorkbench workbench;
/**
* Create the wizard pages
*/
@Override
public void addPages() {
IWizardCategory root = NewRepositoryWizardRegistry.getInstance().getRootCategory();
IWizardDescriptor[] primary = NewRepositoryWizardRegistry.getInstance().getPrimaryWizards();
if (categoryId != null) {
IWizardCategory categories = root;
StringTokenizer familyTokenizer = new StringTokenizer(categoryId, CATEGORY_SEPARATOR);
while (familyTokenizer.hasMoreElements()) {
categories = getChildWithID(categories, familyTokenizer.nextToken());
if (categories == null) {
break;
}
}
if (categories != null) {
root = categories;
}
}
mainPage = new NewRepositoryWizardSelectionPage(workbench, selection, root, primary, projectsOnly);
addPage(mainPage);
}
/**
* Returns the id of the category of wizards to show or <code>null</code> to show all categories. If no entries can
* be found with this id then all categories are shown.
*
* @return String or <code>null</code>.
*/
public String getCategoryId() {
return categoryId;
}
/**
* Returns the child collection element for the given id
*/
private IWizardCategory getChildWithID(IWizardCategory parent, String id) {
IWizardCategory[] children = parent.getCategories();
for (int i = 0; i < children.length; ++i) {
IWizardCategory currentChild = children[i];
if (currentChild.getId().equals(id)) {
return currentChild;
}
}
return null;
}
/**
* Lazily create the wizards pages
*
* @param aWorkbench
* the workbench
* @param currentSelection
* the current selection
*/
public void init(IWorkbench aWorkbench, IStructuredSelection currentSelection) {
this.workbench = aWorkbench;
this.selection = currentSelection;
if (getWindowTitle() == null) {
// No title supplied. Set the default title
if (projectsOnly) {
setWindowTitle(WorkbenchMessages.NewProject_title);
} else {
setWindowTitle(WorkbenchMessages.NewWizard_title);
}
}
setDefaultPageImageDescriptor(WorkbenchImages.getImageDescriptor(IWorkbenchGraphicConstants.IMG_WIZBAN_NEW_WIZ));
setNeedsProgressMonitor(true);
}
/**
* The user has pressed Finish. Instruct self's pages to finish, and answer a boolean indicating success.
*
* @return boolean
*/
@Override
public boolean performFinish() {
//save our selection state
mainPage.saveWidgetValues();
// if we're finishing from the main page then perform finish on the selected wizard.
if (getContainer().getCurrentPage() == mainPage) {
if (mainPage.canFinishEarly()) {
IWizard wizard = mainPage.getSelectedNode().getWizard();
wizard.setContainer(getContainer());
return wizard.performFinish();
}
}
return true;
}
/**
* Sets the id of the category of wizards to show or <code>null</code> to show all categories. If no entries can be
* found with this id then all categories are shown.
*
* @param id
* may be <code>null</code>.
*/
public void setCategoryId(String id) {
categoryId = id;
}
/**
* Sets the projects only flag. If <code>true</code> only projects will be shown in this wizard.
*
* @param b
* if only projects should be shown
*/
public void setProjectsOnly(boolean b) {
projectsOnly = b;
}
/* (non-Javadoc)
* @see org.eclipse.jface.wizard.IWizard#canFinish()
*/
@Override
public boolean canFinish() {
// we can finish if the first page is current and the the page can finish early.
if (getContainer().getCurrentPage() == mainPage) {
if (mainPage.canFinishEarly()) {
return true;
}
}
return super.canFinish();
}
}
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