org.eclipse.wst.common.frameworks.internal.ui.WorkspaceModifyComposedOperation.java Source code

Introduction

Here is the source code for org.eclipse.wst.common.frameworks.internal.ui.WorkspaceModifyComposedOperation.java

Source

/*******************************************************************************
 * Copyright (c) 2001, 2005 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.common.frameworks.internal.ui;

import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.List;

import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.SubProgressMonitor;
import org.eclipse.core.runtime.jobs.ISchedulingRule;
import org.eclipse.jface.operation.IRunnableWithProgress;

/**
 * An operation which delegates its work to a runnable that modifies the workspace.
 * <p>
 * This class may be instantiated; it is not intended to be subclassed.
 * </p>
 */
public class WorkspaceModifyComposedOperation extends org.eclipse.ui.actions.WorkspaceModifyOperation {
    private List fRunnables;

    public WorkspaceModifyComposedOperation(ISchedulingRule rule) {
        super(rule);
    }

    /**
     * Creates a new operation which will delegate its work to the given runnable.
     */
    public WorkspaceModifyComposedOperation() {
        super();
    }

    public WorkspaceModifyComposedOperation(ISchedulingRule rule, List nestedRunnablesWithProgress) {
        super(rule);
        getRunnables().addAll(nestedRunnablesWithProgress);
    }

    public WorkspaceModifyComposedOperation(List nestedRunnablesWithProgress) {
        super();
        getRunnables().addAll(nestedRunnablesWithProgress);
    }

    /**
     * Creates a new operation which will delegate its work to the given runnable.
     * 
     * @param content
     *            the runnable to delegate to when this operation is executed
     */
    public WorkspaceModifyComposedOperation(IRunnableWithProgress nestedOp) {
        super();
        getRunnables().add(nestedOp);
    }

    public boolean addRunnable(IRunnableWithProgress nestedOp) {
        return getRunnables().add(nestedOp);
    }

    @Override
    protected void execute(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
        try {
            List runnables = getRunnables();
            if (runnables.size() == 0) {
                return;
            }
            monitor.beginTask("", runnables.size());//$NON-NLS-1$
            for (int i = 0; i < runnables.size(); i++) {
                IRunnableWithProgress op = (IRunnableWithProgress) runnables.get(i);
                op.run(new SubProgressMonitor(monitor, 1, SubProgressMonitor.PREPEND_MAIN_LABEL_TO_SUBTASK));
            }
        } finally {
            monitor.done();
        }
    }

    protected List getRunnables() {
        if (fRunnables == null)
            fRunnables = new ArrayList(3);
        return fRunnables;
    }
}