/*******************************************************************************
* Copyright (c) 2000, 2008 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.wst.jsdt.internal.ui.wizards.buildpaths;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.wizard.IWizardPage;
import org.eclipse.jface.wizard.Wizard;
import org.eclipse.jface.wizard.WizardDialog;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.wst.jsdt.core.IIncludePathEntry;
import org.eclipse.wst.jsdt.core.IJavaScriptProject;
import org.eclipse.wst.jsdt.internal.ui.util.ExceptionHandler;
import org.eclipse.wst.jsdt.internal.ui.util.PixelConverter;
import org.eclipse.wst.jsdt.internal.ui.wizards.NewWizardMessages;
import org.eclipse.wst.jsdt.ui.wizards.IJsGlobalScopeContainerPage;
import org.eclipse.wst.jsdt.ui.wizards.IJsGlobalScopeContainerPageExtension;
import org.eclipse.wst.jsdt.ui.wizards.IJsGlobalScopeContainerPageExtension2;
/**
* This wizard is used to add/edit JavaScript libraries to a JavaScript project.
*/
public class JsGlobalScopeContainerWizard extends Wizard {
private IJavaScriptProject fCurrProject;
private IIncludePathEntry fEntryToEdit;
private IIncludePathEntry[] fNewEntries;
private IIncludePathEntry[] fCurrClasspath;
private JsGlobalScopeContainerSelectionPage fSelectionWizardPage;
private IJsGlobalScopeContainerPage fContainerPage;
/**
* Constructor for JsGlobalScopeContainerWizard.
* @param entryToEdit entry to edit
* @param currProject current project
* @param currEntries entries currently in classpath
*/
public JsGlobalScopeContainerWizard(IIncludePathEntry entryToEdit, IJavaScriptProject currProject, IIncludePathEntry[] currEntries) {
fCurrProject= currProject;
fEntryToEdit= entryToEdit;
fNewEntries= null;
fCurrClasspath= currEntries;
if (entryToEdit == null) {
setWindowTitle(NewWizardMessages.JsGlobalScopeContainerWizard_new_title);
} else {
setWindowTitle(NewWizardMessages.JsGlobalScopeContainerWizard_edit_title);
}
}
/**
* Return an array of new include path entries
* @return
*/
public IIncludePathEntry[] getNewEntries() {
return fNewEntries;
}
/* (non-Javadoc)
* @see IWizard#performFinish()
*/
public boolean performFinish() {
if (fContainerPage != null) {
if (fContainerPage.finish()) {
if (fEntryToEdit == null && fContainerPage instanceof IJsGlobalScopeContainerPageExtension2) {
fNewEntries= ((IJsGlobalScopeContainerPageExtension2) fContainerPage).getNewContainers();
} else {
IIncludePathEntry entry= fContainerPage.getSelection();
fNewEntries= (entry != null) ? new IIncludePathEntry[] { entry } : null;
}
return true;
}
}
return false;
}
/* (non-Javadoc)
* @see IWizard#addPages()
*/
public void addPages() {
if (fEntryToEdit == null) { // new entry: show selection page as first page
JsGlobalScopeContainerDescriptor[] allDescriptors= JsGlobalScopeContainerDescriptor.getDescriptors();
// exclude existing containers
Collection descriptors = new ArrayList(Arrays.asList(allDescriptors));
for (int j = 0; j < fCurrClasspath.length; j++) {
for (int i = 0; i < allDescriptors.length; i++) {
if (allDescriptors[i].canEdit(fCurrClasspath[j])) {
descriptors.remove(allDescriptors[i]);
}
}
}
fSelectionWizardPage= new JsGlobalScopeContainerSelectionPage((JsGlobalScopeContainerDescriptor[]) descriptors.toArray(new JsGlobalScopeContainerDescriptor[descriptors.size()]));
addPage(fSelectionWizardPage);
// add as dummy, will not be shown
fContainerPage= new JsGlobalScopeContainerDefaultPage();
addPage(fContainerPage);
} else { // fPageDesc == null && fEntryToEdit != null
JsGlobalScopeContainerDescriptor[] containers= JsGlobalScopeContainerDescriptor.getDescriptors();
JsGlobalScopeContainerDescriptor descriptor= findDescriptorPage(containers, fEntryToEdit);
fContainerPage= getContainerPage(descriptor);
addPage(fContainerPage);
}
super.addPages();
}
private IJsGlobalScopeContainerPage getContainerPage(JsGlobalScopeContainerDescriptor pageDesc) {
IJsGlobalScopeContainerPage containerPage= null;
if (pageDesc != null) {
IJsGlobalScopeContainerPage page= pageDesc.getPage();
if (page != null) {
return page; // if page is already created, avoid double initialization
}
try {
containerPage= pageDesc.createPage();
} catch (CoreException e) {
handlePageCreationFailed(e);
}
}
if (containerPage == null) {
containerPage= new JsGlobalScopeContainerDefaultPage();
if (pageDesc != null) {
pageDesc.setPage(containerPage); // avoid creation next time
}
}
if (containerPage instanceof IJsGlobalScopeContainerPageExtension) {
((IJsGlobalScopeContainerPageExtension) containerPage).initialize(fCurrProject, fCurrClasspath);
}
containerPage.setSelection(fEntryToEdit);
containerPage.setWizard(this);
return containerPage;
}
/* (non-Javadoc)
* @see IWizard#getNextPage(IWizardPage)
*/
public IWizardPage getNextPage(IWizardPage page) {
if (page == fSelectionWizardPage) {
JsGlobalScopeContainerDescriptor selected= fSelectionWizardPage.getSelected();
fContainerPage= getContainerPage(selected);
return fContainerPage;
}
return super.getNextPage(page);
}
private void handlePageCreationFailed(CoreException e) {
String title= NewWizardMessages.JsGlobalScopeContainerWizard_pagecreationerror_title;
String message= NewWizardMessages.JsGlobalScopeContainerWizard_pagecreationerror_message;
ExceptionHandler.handle(e, getShell(), title, message);
}
private JsGlobalScopeContainerDescriptor findDescriptorPage(JsGlobalScopeContainerDescriptor[] containers, IIncludePathEntry entry) {
for (int i = 0; i < containers.length; i++) {
if (containers[i].canEdit(entry)) {
return containers[i];
}
}
return null;
}
/* (non-Javadoc)
* @see org.eclipse.jface.wizard.Wizard#dispose()
*/
public void dispose() {
if (fSelectionWizardPage != null) {
JsGlobalScopeContainerDescriptor[] descriptors= fSelectionWizardPage.getContainers();
for (int i= 0; i < descriptors.length; i++) {
descriptors[i].dispose();
}
}
super.dispose();
}
/* (non-Javadoc)
* @see IWizard#canFinish()
*/
public boolean canFinish() {
return fContainerPage.isPageComplete();
}
public static int openWizard(Shell shell, JsGlobalScopeContainerWizard wizard) {
WizardDialog dialog= new WizardDialog(shell, wizard);
PixelConverter converter= new PixelConverter(JFaceResources.getDialogFont());
dialog.setMinimumPageSize(converter.convertWidthInCharsToPixels(70), converter.convertHeightInCharsToPixels(20));
dialog.create();
return dialog.open();
}
}