bundles/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/dialogs/InstallCapabilityStep.java

package org.eclipse.ui.internal.dialogs;

/**********************************************************************
Copyright (c) 2002 IBM Corp. and others.
All rights reserved.   This program and the accompanying materials
are made available under the terms of the Common Public License v0.5
which accompanies this distribution, and is available at
http://www.eclipse.org/legal/cpl-v05.html
 
Contributors:
**********************************************************************/
import org.eclipse.core.resources.IProject;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.wizard.IWizard;
import org.eclipse.ui.ICapabilityInstallWizard;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.internal.WorkbenchMessages;
import org.eclipse.ui.internal.registry.Capability;

/**
 * Represents a capability install step in a multi-step
 * wizard.
 */
public class InstallCapabilityStep extends WizardStep {
	private Capability capability;
	private ICapabilityInstallWizard wizard;
	private IWorkbench workbench;
	private IProjectProvider projectProvider;
	
	/**
	 * Creates the capability install step
	 * 
	 * @param number step order number
	 * @param capability the capability to install
	 */
	public InstallCapabilityStep(int number, Capability capability, IWorkbench workbench, IProjectProvider projectProvider) {
		super(number);
		this.capability = capability;
		this.workbench = workbench;
		this.projectProvider = projectProvider;
	}

	/* (non-Javadoc)
	 * Method declared on WizardStep.
	 */
	public String getLabel() {
		return WorkbenchMessages.format("InstallCapabilityStep.label", new Object[] {capability.getName()}); //$NON-NLS-1$
	}

	/* (non-Javadoc)
	 * Method declared on WizardStep.
	 */
	public String getDetails() {
		return capability.getInstallDetails();
	}
	
	/* (non-Javadoc)
	 * Method declared on WizardStep.
	 */
	public IWizard getWizard() {
		if (wizard == null) {
			wizard = capability.getInstallWizard();
			if (wizard != null) {
				wizard.init(workbench, StructuredSelection.EMPTY, projectProvider.getProject());
				wizard.addPages();
			}
		}
		
		return wizard;
	}
	
	interface IProjectProvider {
		/**
		 * Returns the project to which the capability
		 * is to be configured against.
		 */
		public IProject getProject();
	}
}