org.eclipse.ui.internal.SelectionConversionService Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of workbench Show documentation
Show all versions of workbench Show documentation
This plug-in contains the bulk of the Workbench implementation, and depends on JFace, SWT, and Core Runtime. It cannot be used independently from org.eclipse.ui. Workbench client plug-ins should not depend directly on this plug-in.
The newest version!
/*******************************************************************************
* Copyright (c) 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
******************************************************************************/
package org.eclipse.ui.internal;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.ui.internal.util.Util;
/**
*
* The SelectionConversionService is the service that converts the selection to
* IResources.
*
*
* This interface is only intended for use within the
* org.eclipse.ui.workbench
and org.eclipse.ui.ide
* plug-ins.
*
*
* @since 3.2
*/
public class SelectionConversionService implements ISelectionConversionService {
/**
* Attempt to convert the elements in the passed selection into resources by
* asking each for its IResource property (iff it isn't already a resource).
* If all elements in the initial selection can be converted to resources
* then answer a new selection containing these resources; otherwise answer
* an empty selection.
*
* @param originalSelection
* the original selection
* @return the converted selection or an empty selection.
*/
public IStructuredSelection convertToResources(
IStructuredSelection originalSelection) {
// @issue resource-specific code should be pushed into IDE
Class resourceClass = LegacyResourceSupport.getResourceClass();
if (resourceClass == null) {
return originalSelection;
}
List result = new ArrayList();
Iterator elements = originalSelection.iterator();
while (elements.hasNext()) {
Object currentElement = elements.next();
Object resource = Util.getAdapter(currentElement, resourceClass);
if (resource != null) {
result.add(resource);
}
}
// all that can be converted are done, answer new selection
if (result.isEmpty()) {
return StructuredSelection.EMPTY;
}
return new StructuredSelection(result.toArray());
}
}
© 2015 - 2025 Weber Informatics LLC | Privacy Policy