/*******************************************************************************
* 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.jst.j2ee.internal.actions;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.eclipse.core.resources.IProject;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jst.j2ee.internal.common.classpath.J2EEComponentClasspathUpdater;
import org.eclipse.ui.IActionDelegate;
public class ForceClasspathUpdateAction extends Action implements IActionDelegate{
private List projectsList = new ArrayList();
@Override
public void run() {
J2EEComponentClasspathUpdater.getInstance().forceUpdate(projectsList);
}
public void run(IAction action) {
J2EEComponentClasspathUpdater.getInstance().forceUpdate(projectsList);
}
public void selectionChanged(IAction action, ISelection selection) {
action.setEnabled(setSelection(selection));
}
private boolean setSelection(ISelection selection){
projectsList.clear();
if(selection != null && selection instanceof IStructuredSelection) {
IStructuredSelection structuredSelection = (IStructuredSelection)selection;
if (structuredSelection.size() > 0) {
Iterator iterator = structuredSelection.iterator();
while(iterator.hasNext()){
Object next = iterator.next();
if (next instanceof IProject) {
projectsList.add(next);
} else {
projectsList.clear();
return false;
}
}
} else { // empty selection
return false;
}
return true;
}
return false;
}
}