/*******************************************************************************
* 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.preferences;
import java.lang.reflect.InvocationTargetException;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.dialogs.PropertyPage;
import org.eclipse.wst.jsdt.core.JsGlobalScopeContainerInitializer;
import org.eclipse.wst.jsdt.core.IJsGlobalScopeContainer;
import org.eclipse.wst.jsdt.core.IIncludePathEntry;
import org.eclipse.wst.jsdt.core.IJavaScriptElement;
import org.eclipse.wst.jsdt.core.IJavaScriptProject;
import org.eclipse.wst.jsdt.core.IPackageFragmentRoot;
import org.eclipse.wst.jsdt.core.JavaScriptCore;
import org.eclipse.wst.jsdt.internal.corext.util.JavaModelUtil;
import org.eclipse.wst.jsdt.internal.corext.util.Messages;
import org.eclipse.wst.jsdt.internal.ui.IJavaHelpContextIds;
import org.eclipse.wst.jsdt.internal.ui.JavaScriptPlugin;
import org.eclipse.wst.jsdt.internal.ui.dialogs.StatusUtil;
import org.eclipse.wst.jsdt.internal.ui.util.ExceptionHandler;
import org.eclipse.wst.jsdt.internal.ui.wizards.IStatusChangeListener;
import org.eclipse.wst.jsdt.internal.ui.wizards.buildpaths.SourceAttachmentBlock;
/**
* Property page to configure a archive's JARs source attachment
*/
public class SourceAttachmentPropertyPage extends PropertyPage implements IStatusChangeListener {
private SourceAttachmentBlock fSourceAttachmentBlock;
private IPackageFragmentRoot fRoot;
private IPath fContainerPath;
private IIncludePathEntry fEntry;
public static final String PROP_ID= "org.eclipse.wst.jsdt.ui.propertyPages.SourceAttachmentPage" ; //$NON-NLS-1$
public SourceAttachmentPropertyPage() {
}
/*
* @see org.eclipse.jface.dialogs.IDialogPage#createControl(org.eclipse.swt.widgets.Composite)
*/
public void createControl(Composite parent) {
super.createControl(parent);
PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(), IJavaHelpContextIds.SOURCE_ATTACHMENT_PROPERTY_PAGE);
}
/*
* @see PreferencePage#createContents
*/
protected Control createContents(Composite composite) {
initializeDialogUnits(composite);
Control result= createPageContent(composite);
Dialog.applyDialogFont(result);
return result;
}
private Control createPageContent(Composite composite) {
try {
fContainerPath= null;
fEntry= null;
fRoot= getJARPackageFragmentRoot();
if (fRoot == null || fRoot.getKind() != IPackageFragmentRoot.K_BINARY) {
return createMessageContent(composite, PreferencesMessages.SourceAttachmentPropertyPage_noarchive_message);
}
IPath containerPath= null;
IJavaScriptProject jproject= fRoot.getJavaScriptProject();
IIncludePathEntry entry= fRoot.getRawIncludepathEntry();
if (entry == null) {
// use a dummy entry to use for initialization
entry= JavaScriptCore.newLibraryEntry(fRoot.getPath(), null, null);
} else {
if (entry.getEntryKind() == IIncludePathEntry.CPE_CONTAINER) {
containerPath= entry.getPath();
JsGlobalScopeContainerInitializer initializer= JavaScriptCore.getJsGlobalScopeContainerInitializer(containerPath.segment(0));
IJsGlobalScopeContainer container= JavaScriptCore.getJsGlobalScopeContainer(containerPath, jproject);
if (initializer == null || container == null) {
return createMessageContent(composite, Messages.format(PreferencesMessages.SourceAttachmentPropertyPage_invalid_container, containerPath.toString()));
}
String containerName= container.getDescription();
IStatus status= initializer.getSourceAttachmentStatus(containerPath, jproject);
if (status.getCode() == JsGlobalScopeContainerInitializer.ATTRIBUTE_NOT_SUPPORTED) {
return createMessageContent(composite, Messages.format(PreferencesMessages.SourceAttachmentPropertyPage_not_supported, containerName));
}
if (status.getCode() == JsGlobalScopeContainerInitializer.ATTRIBUTE_READ_ONLY) {
return createMessageContent(composite, Messages.format(PreferencesMessages.SourceAttachmentPropertyPage_read_only, containerName));
}
entry= JavaModelUtil.findEntryInContainer(container, fRoot.getPath());
Assert.isNotNull(entry);
}
}
fContainerPath= containerPath;
fEntry= entry;
fSourceAttachmentBlock= new SourceAttachmentBlock(this, entry);
return fSourceAttachmentBlock.createControl(composite);
} catch (CoreException e) {
JavaScriptPlugin.log(e);
return createMessageContent(composite, PreferencesMessages.SourceAttachmentPropertyPage_noarchive_message);
}
}
private Control createMessageContent(Composite composite, String message) {
Composite inner= new Composite(composite, SWT.NONE);
GridLayout layout= new GridLayout();
layout.marginHeight= 0;
layout.marginWidth= 0;
inner.setLayout(layout);
GridData gd= new GridData(GridData.HORIZONTAL_ALIGN_FILL);
gd.widthHint= convertWidthInCharsToPixels(80);
Label label= new Label(inner, SWT.LEFT + SWT.WRAP);
label.setText(message);
label.setLayoutData(gd);
return inner;
}
/*
* @see IPreferencePage#performOk
*/
public boolean performOk() {
if (fSourceAttachmentBlock != null) {
try {
IIncludePathEntry entry= fSourceAttachmentBlock.getNewEntry();
if (entry.equals(fEntry)) {
return true; // no change
}
IRunnableWithProgress runnable= SourceAttachmentBlock.getRunnable(getShell(), entry, fRoot.getJavaScriptProject(), fContainerPath);
PlatformUI.getWorkbench().getProgressService().run(true, true, runnable);
} catch (InvocationTargetException e) {
String title= PreferencesMessages.SourceAttachmentPropertyPage_error_title;
String message= PreferencesMessages.SourceAttachmentPropertyPage_error_message;
ExceptionHandler.handle(e, getShell(), title, message);
return false;
} catch (InterruptedException e) {
// cancelled
return false;
}
}
return true;
}
/*
* @see PreferencePage#performDefaults()
*/
protected void performDefaults() {
if (fSourceAttachmentBlock != null) {
fSourceAttachmentBlock.setDefaults();
}
super.performDefaults();
}
private IPackageFragmentRoot getJARPackageFragmentRoot() throws CoreException {
// try to find it as Java element (needed for external jars)
IAdaptable adaptable= getElement();
IJavaScriptElement elem= (IJavaScriptElement) adaptable.getAdapter(IJavaScriptElement.class);
if (elem instanceof IPackageFragmentRoot) {
return (IPackageFragmentRoot) elem;
}
// not on classpath or not in a java project
IResource resource= (IResource) adaptable.getAdapter(IResource.class);
if (resource instanceof IFile) {
IProject proj= resource.getProject();
if (proj.hasNature(JavaScriptCore.NATURE_ID)) {
IJavaScriptProject jproject= JavaScriptCore.create(proj);
return jproject.getPackageFragmentRoot(resource);
}
}
return null;
}
/*
* @see IStatusChangeListener#statusChanged
*/
public void statusChanged(IStatus status) {
setValid(!status.matches(IStatus.ERROR));
StatusUtil.applyToStatusLine(this, status);
}
}