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/*******************************************************************************
* Copyright (c) 2001, 2006 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
* Jens Lukowski/Innoopract - initial renaming/restructuring
*
*******************************************************************************/
package org.eclipse.wst.sse.internal.contentproperties;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IResourceChangeEvent;
import org.eclipse.core.resources.IResourceChangeListener;
import org.eclipse.core.resources.IResourceDelta;
import org.eclipse.core.resources.IResourceDeltaVisitor;
import org.eclipse.core.resources.IWorkspace;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.wst.sse.core.internal.Logger;
/**
* @deprecated See
* org.eclipse.html.core.internal.contentproperties.HTMLContentProperties
*/
public class ContentSettingsSynchronizer implements IResourceChangeListener {
class ContentSettingsVisitor implements IResourceDeltaVisitor {
// redefinition in ContentSettings.java
private String contentSettingsName = ContentSettings.getContentSettingsName(); //$NON-NLS-1$
private IResourceChangeEvent fEvent;
private IContentSettingsHandler handler;
public ContentSettingsVisitor(IResourceChangeEvent event) {
this.fEvent = event;
}
/**
* @see IResourceDeltaVisitor#visit(org.eclipse.core.resources.IResourceDelta)
*/
public boolean visit(IResourceDelta delta) {
if (delta == null)
return false;
IResource resource = delta.getResource();
if (resource == null)
return false;
// parent folder or project
if (delta.getKind() == IResourceDelta.CHANGED && delta.getFlags() == 0)
return true;
final int resourceType = resource.getType();
switch (resourceType) {
case IResource.PROJECT :
return false;
case IResource.FILE :
// whether resource is .contentsettings file or not
IProject project = delta.getResource().getProject();
if (this.fEvent.getType() == IResourceChangeEvent.POST_CHANGE && resource.equals(project.getFile(this.contentSettingsName))) {
// new object for .contentsettings
handler = new ContentSettingsSelfHandler();
}
else if (this.fEvent.getType() == IResourceChangeEvent.PRE_BUILD && resource.getFileExtension() != null) {
// TODO change to content type!
if (resource.getFileExtension().equalsIgnoreCase("shtml") //$NON-NLS-1$
|| resource.getFileExtension().equalsIgnoreCase("htm") //$NON-NLS-1$
|| resource.getFileExtension().equalsIgnoreCase("html") //$NON-NLS-1$
|| resource.getFileExtension().equalsIgnoreCase("jhtml") //$NON-NLS-1$
|| resource.getFileExtension().equalsIgnoreCase("xhtml") //$NON-NLS-1$
|| resource.getFileExtension().equalsIgnoreCase("jsp") //$NON-NLS-1$
|| resource.getFileExtension().equalsIgnoreCase("css") //$NON-NLS-1$
|| resource.getFileExtension().equalsIgnoreCase("jsf") //$NON-NLS-1$
|| resource.getFileExtension().equalsIgnoreCase("jspf")) { //$NON-NLS-1$
// new object for IFile
handler = new ContentSettingsFileHandler();
handler.handle(delta);
handler = null;
return true;
}
}
else
return false; // true or false;motomoto true;
break;
case IResource.FOLDER :
return true;
default :
return true;
}
// final IResourceDelta fDelta = delta;
// final IContentSettingsHandler deltaHandler = this.handler;
// XXX FIXME
// I commented out following to move this to "model"
// packages. Since wasnt't hooked up/working anyway, I think
// ok for now, but need to re-work as Job, once we do implement
// settings for resources again.
// Display display = getDisplay();
// if (display != null && !display.isDisposed()) {
// display.asyncExec(new Runnable() {
// public void run() {
// if (deltaHandler != null) {
// deltaHandler.handle(fDelta);
// }
// }
// });
// }
// else if (deltaHandler != null) {
// deltaHandler.handle(fDelta);
// }
handler = null;
return true; // true or false;motomoto true;
}
}
private static ContentSettingsSynchronizer instance = null;
public synchronized static ContentSettingsSynchronizer getInstance() {
if (instance == null)
instance = new ContentSettingsSynchronizer();
return instance;
}
private ContentSettingsVisitor csVisitor;
private boolean fListening = false;
private IProject fProject;
private final IProject getProject() {
return fProject;
}
private final IWorkspace getWorkspace() {
if (getProject() == null)
return ResourcesPlugin.getWorkspace();
return getProject().getWorkspace();
}
public synchronized void install() {
if (!fListening) {
getWorkspace().addResourceChangeListener(this, IResourceChangeEvent.PRE_BUILD | IResourceChangeEvent.POST_CHANGE);
fListening = true;
}
}
/**
* @return
*/
public synchronized boolean isListening() {
return fListening;
}
/*
* @see IResourceChangeListener#resourceChanged(IResourceChangeEvent)
*/
public void resourceChanged(IResourceChangeEvent event) {
IResourceDelta delta = event.getDelta();
if (delta != null) {
try {
if (csVisitor == null)
csVisitor = new ContentSettingsVisitor(event);
delta.accept(csVisitor);
}
catch (CoreException e) {
Logger.logException(e);
}
}
csVisitor = null;
}
public synchronized void unInstall() {
getWorkspace().removeResourceChangeListener(this);
fListening = false;
}
}
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