com.sympedia.genfw.ui.internal.actions.GenerateAction.java Source code

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Here is the source code for com.sympedia.genfw.ui.internal.actions.GenerateAction.java

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/***************************************************************************
 * Copyright (c) 2006 Eike Stepper, Fuggerstr. 39, 10777 Berlin, Germany.
 * 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:
 *    Eike Stepper - initial API and implementation
 **************************************************************************/
package com.sympedia.genfw.ui.internal.actions;

import com.sympedia.genfw.ui.internal.GenfwUiActivator;
import com.sympedia.genfw.util.GenfwHelper;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.SubProgressMonitor;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IObjectActionDelegate;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.actions.WorkspaceModifyOperation;

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

public class GenerateAction implements IObjectActionDelegate {
    private ISelection selection;

    public GenerateAction() {
    }

    public void run(IAction action) {
        processFiles(selection, null);
    }

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

    public void selectionChanged(IAction action, ISelection selection) {
        this.selection = selection;
    }

    public static void showMessage(String message) {
        final Shell shell = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell();
        MessageDialog.openInformation(shell, "Sympedia Generation", message);
    }

    public static void processFiles(final IFile[] files) {
        if (files.length == 0)
            return;

        try {
            WorkspaceModifyOperation op = new WorkspaceModifyOperation() {
                @Override
                protected void execute(IProgressMonitor monitor)
                        throws CoreException, InvocationTargetException, InterruptedException {
                    monitor.beginTask("", files.length);

                    try {
                        for (IFile file : files) {
                            try {
                                monitor.subTask("Generator Application " + file.getName());
                                GenfwHelper.processFile(file, GenfwHelper.TRACE_LIFECYCLE,
                                        new SubProgressMonitor(monitor, 1));
                            } catch (Exception ex) {
                                GenfwUiActivator.INSTANCE.log(ex);
                            }
                        }
                    } finally {
                        monitor.done();
                    }
                }
            };

            PlatformUI.getWorkbench().getProgressService().run(true, true, op);
        } catch (Exception ex) {
            GenfwUiActivator.INSTANCE.log(ex);
            showMessage(ex.toString());
        }
    }

    public static void processFiles(ISelection selection, String extension) {
        IFile[] files = getFiles(selection, extension);
        processFiles(files);
    }

    public static IFile[] getFiles(ISelection selection, String extension) {
        List<IFile> files = new ArrayList<IFile>();
        if (selection != null && selection instanceof IStructuredSelection) {
            IStructuredSelection ssel = (IStructuredSelection) selection;
            for (Object item : ssel.toArray()) {
                IFile file = null;
                if (item instanceof IFile) {
                    file = (IFile) item;
                } else if (item instanceof IAdaptable) {
                    IAdaptable adaptable = (IAdaptable) item;
                    file = (IFile) adaptable.getAdapter(IFile.class);
                }

                if (file != null) {
                    if (extension == null || extension.equals(file.getFileExtension())) {
                        files.add(file);
                    }
                }
            }
        }

        return files.toArray(new IFile[files.size()]);
    }
}