plugins/org.eclipse.dltk.ruby.ui/src/org/eclipse/dltk/ruby/internal/ui/wizards/RubyNewProjectWizard.java

/*******************************************************************************
 * Copyright (c) 2005, 2007 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
 *
 
 *******************************************************************************/
package org.eclipse.dltk.ruby.internal.ui.wizards;

import java.util.Observable;

import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IExecutableExtension;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.dltk.core.DLTKCore;
import org.eclipse.dltk.core.IModelElement;
import org.eclipse.dltk.debug.ui.DLTKDebugUIPlugin;
import org.eclipse.dltk.launching.IInterpreterInstall;
import org.eclipse.dltk.ruby.core.RubyNature;
import org.eclipse.dltk.ruby.internal.debug.ui.interpreters.RubyInterpreterPreferencePage;
import org.eclipse.dltk.ruby.internal.ui.RubyImages;
import org.eclipse.dltk.ruby.internal.ui.RubyUI;
import org.eclipse.dltk.ruby.internal.ui.preferences.RubyBuildPathsBlock;
import org.eclipse.dltk.ui.DLTKUIPlugin;
import org.eclipse.dltk.ui.util.BusyIndicatorRunnableContext;
import org.eclipse.dltk.ui.util.IStatusChangeListener;
import org.eclipse.dltk.ui.wizards.BuildpathsBlock;
import org.eclipse.dltk.ui.wizards.NewElementWizard;
import org.eclipse.dltk.ui.wizards.ProjectWizardFirstPage;
import org.eclipse.dltk.ui.wizards.ProjectWizardSecondPage;
import org.eclipse.jface.preference.IPreferencePage;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.INewWizard;
import org.eclipse.ui.wizards.newresource.BasicNewProjectResourceWizard;

public class RubyNewProjectWizard extends NewElementWizard implements INewWizard, IExecutableExtension {
	public static final String WIZARD_ID = "org.eclipse.dltk.ruby.wizards.newproject";
	
	private ProjectWizardFirstPage fFirstPage;
	private ProjectWizardSecondPage fSecondPage;
	private IConfigurationElement fConfigElement;

	public RubyNewProjectWizard() {
		setDefaultPageImageDescriptor(RubyImages.DESC_WIZBAN_PROJECT_CREATION);
		setDialogSettings(DLTKUIPlugin.getDefault().getDialogSettings());
		setWindowTitle(RubyWizardMessages.NewProjectWizard_title);
	}

	public void addPages() {
		super.addPages();
		fFirstPage = new ProjectWizardFirstPage() {

			RubyInterpreterGroup fInterpreterGroup;
        	
        	final class RubyInterpreterGroup extends AbstractInterpreterGroup {
        		
        		public RubyInterpreterGroup(Composite composite) {
        			super (composite);
        		}

				protected String getCurrentLanguageNature() {
					return RubyNature.NATURE_ID;
				}

				protected void showInterpreterPreferencePage() {
					IPreferencePage page = new RubyInterpreterPreferencePage(); 
					DLTKDebugUIPlugin.showPreferencePage("org.eclipse.dltk.ruby.debug.ui.interpreters.RubyInterpreterPreferencePage", page); 					
				}
            	
            };
        	
			protected void createInterpreterGroup(Composite parent) {
				fInterpreterGroup = new RubyInterpreterGroup(parent);
			}

			protected Observable getInterpreterGroupObservable() {
				return fInterpreterGroup;
			}

			protected boolean supportInterpreter() {
				return true;
			}

			protected IInterpreterInstall getInterpreter() {
				return fInterpreterGroup.getSelectedInterpreter();
			}

			protected void handlePossibleInterpreterChange() {
				fInterpreterGroup.handlePossibleInterpreterChange();
			}

			protected boolean interpeterRequired() {
				return true;
			}
		};
		
		// First page
		fFirstPage.setTitle(RubyWizardMessages.NewProjectFirstPage_title);
		fFirstPage.setDescription(RubyWizardMessages.NewProjectFirstPage_description);
		addPage(fFirstPage);

		// Second page
		fSecondPage = new ProjectWizardSecondPage(fFirstPage) {
			protected BuildpathsBlock createBuildpathBlock(IStatusChangeListener listener) {
				return new RubyBuildPathsBlock(new BusyIndicatorRunnableContext(), listener, 0, useNewSourcePage(), null);
			}

			protected String getScriptNature() {
				return RubyNature.NATURE_ID;
			}

			protected IPreferenceStore getPreferenceStore() {
				return RubyUI.getDefault().getPreferenceStore();
			}
		};
		addPage(fSecondPage);
	}

	protected void finishPage(IProgressMonitor monitor) throws InterruptedException, CoreException {
		fSecondPage.performFinish(monitor); // use the full progress monitor
	}

	public boolean performFinish() {
		boolean res = super.performFinish();
		if (res) {
			BasicNewProjectResourceWizard.updatePerspective(fConfigElement);
			selectAndReveal(fSecondPage.getScriptProject().getProject());
		}
		return res;
	}
	
	/*
	 * Stores the configuration element for the wizard. The config element will
	 * be used in <code>performFinish</code> to set the result perspective.
	 */
	public void setInitializationData(IConfigurationElement cfig, String propertyName, Object data) {
		fConfigElement = cfig;
	}

	public boolean performCancel() {
		fSecondPage.performCancel();
		return super.performCancel();
	}

	public IModelElement getCreatedElement() {
		return DLTKCore.create(fFirstPage.getProjectHandle());
	}
}