ca.mcgill.cs.swevo.ppa.ui.actions.PPAOnSnippetAction.java Source code

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Here is the source code for ca.mcgill.cs.swevo.ppa.ui.actions.PPAOnSnippetAction.java

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/*******************************************************************************
 * PPA - Partial Program Analysis for Java
 * Copyright (C) 2008 Barthelemy Dagenais
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either 
 * version 3 of the License, or (at your option) any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this library. If not, see 
 * <http://www.gnu.org/licenses/lgpl-3.0.txt>
 *******************************************************************************/
package ca.mcgill.cs.swevo.ppa.ui.actions;

import java.io.PrintStream;
import java.lang.reflect.InvocationTargetException;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jdt.core.dom.CompilationUnit;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.dialogs.ProgressMonitorDialog;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.IObjectActionDelegate;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.console.ConsolePlugin;
import org.eclipse.ui.console.IConsole;
import org.eclipse.ui.console.IConsoleManager;
import org.eclipse.ui.console.MessageConsole;

import ca.mcgill.cs.swevo.ppa.PPAOptions;
import ca.mcgill.cs.swevo.ppa.ui.NameBindingVisitor;
import ca.mcgill.cs.swevo.ppa.ui.PPAUtil;

public class PPAOnSnippetAction implements IObjectActionDelegate {

    private IFile file;

    public PPAOnSnippetAction() {
    }

    public void setActivePart(IAction action, IWorkbenchPart targetPart) {
    }

    public void run(IAction action) {
        if (file == null) {
            return;
        }

        try {
            MessageConsole mConsole = new MessageConsole("PPA Console", null);
            final PrintStream printer = new PrintStream(mConsole.newMessageStream());
            IConsoleManager manager = ConsolePlugin.getDefault().getConsoleManager();
            manager.addConsoles(new IConsole[] { mConsole });
            manager.showConsoleView(mConsole);
            final boolean isTypeBody = action.getId().equals("ca.mcgill.cs.swevo.ppa.ui.performPPAOnTypeSnippet");
            ProgressMonitorDialog dialog = new ProgressMonitorDialog(
                    PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell());
            dialog.run(true, false, new IRunnableWithProgress() {

                public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
                    try {
                        monitor.beginTask("Visiting AST", 100);
                        CompilationUnit node = (CompilationUnit) PPAUtil.getSnippet(file.getLocation().toFile(),
                                new PPAOptions(), isTypeBody);
                        monitor.worked(50);
                        node.accept(new NameBindingVisitor(printer, monitor));
                        printer.close();
                        PPAUtil.cleanUpSnippet();
                    } catch (Exception e) {
                        e.printStackTrace();
                    } finally {
                        monitor.done();
                    }
                }
            });
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    public void selectionChanged(IAction action, ISelection selection) {
        IStructuredSelection sSelection = (IStructuredSelection) selection;
        if (!sSelection.isEmpty()) {
            file = (IFile) sSelection.getFirstElement();
        }
    }

}