/*=============================================================================#
# Copyright (c) 2000-2016 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 for JDT
#=============================================================================*/
package de.walware.statet.r.internal.ui;
import org.eclipse.core.runtime.IAdapterFactory;
import org.eclipse.search.ui.ISearchPageScoreComputer;
/**
* Implements basic UI support for R editor input.
*/
public class REditorInputAdapterFactory implements IAdapterFactory {
private static Class<?>[] PROPERTIES = new Class<?>[] {
// IRElement.class,
};
/*
* Do not use real type since this would cause
* the Search plug-in to be loaded.
*/
private Class<?> fSearchPageScoreComputerClass;
private Object fSearchPageScoreComputer;
public REditorInputAdapterFactory() {
}
@Override
public Class<?>[] getAdapterList() {
updateLazyLoadedAdapters();
return PROPERTIES;
}
@Override
public Object getAdapter(final Object adaptableObject, final Class key) {
updateLazyLoadedAdapters();
if (fSearchPageScoreComputerClass != null && fSearchPageScoreComputerClass.equals(key)) {
return fSearchPageScoreComputer;
}
return null;
}
private synchronized void updateLazyLoadedAdapters() {
if (fSearchPageScoreComputerClass == null && RUIPlugin.isSearchPlugInActivated()) {
createSearchPageScoreComputer();
}
}
private void createSearchPageScoreComputer() {
fSearchPageScoreComputerClass = ISearchPageScoreComputer.class;
fSearchPageScoreComputer = new RSearchPageScoreComputer();
final Class<?>[] newProperties = new Class[PROPERTIES.length+1];
System.arraycopy(PROPERTIES, 0, newProperties, 0, PROPERTIES.length);
newProperties[PROPERTIES.length] = fSearchPageScoreComputerClass;
PROPERTIES = newProperties;
}
}