org.eclipse.cdt.managedbuilder.internal.ui.commands.RebuildConfigurationsHandler.java Source code

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Here is the source code for org.eclipse.cdt.managedbuilder.internal.ui.commands.RebuildConfigurationsHandler.java

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/*******************************************************************************
 * Copyright (c) 2010, 2014 Andrew Gvozdev 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:
 *     Andrew Gvozdev (Quoin Inc.) - initial API and implementation
 *     Sergey Prigogin (Google)
 *******************************************************************************/
package org.eclipse.cdt.managedbuilder.internal.ui.commands;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import org.eclipse.cdt.core.model.CoreModel;
import org.eclipse.cdt.core.model.ICProject;
import org.eclipse.cdt.internal.ui.util.AbstractResourceActionHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.resources.IProject;
import org.eclipse.jface.viewers.IStructuredSelection;

/**
 * Implementation of the command that cleans and rebuilds selected configurations.
 * User selects which configurations to rebuild via {@link RebuildConfigurationsDialog}.
 */
public class RebuildConfigurationsHandler extends AbstractResourceActionHandler {
    @Override
    public Object execute(ExecutionEvent event) throws ExecutionException {
        List<IProject> projects = getSelectedCdtProjects(getSelection(event));
        if (!projects.isEmpty()) {
            RebuildConfigurationsDialog dialog = new RebuildConfigurationsDialog(
                    projects.toArray(new IProject[projects.size()]));
            dialog.open();
        }
        return null;
    }

    @Override
    public void setEnabled(Object evaluationContext) {
        super.setEnabled(evaluationContext);
        setBaseEnabled(!RebuildConfigurationsHandler.getSelectedCdtProjects(getSelection()).isEmpty());
    }

    /**
     * Returns a list of CDT projects from the selection.
     */
    public static List<IProject> getSelectedCdtProjects(IStructuredSelection selection) {
        if (selection.isEmpty())
            return Collections.emptyList();

        List<IProject> projects = new ArrayList<>();

        for (Object element : selection.toArray()) {
            IProject project = null;
            if (element instanceof IProject) {
                project = (IProject) element;
            } else if (element instanceof ICProject) {
                project = ((ICProject) element).getProject();
            }

            if (project != null && CoreModel.getDefault().isNewStyleProject(project)) {
                projects.add(project);
            }
        }
        return projects;
    }
}