org.eclipse.pde.internal.ui.editor.actions.FormatOperation.java Source code

Java tutorial

Introduction

Here is the source code for org.eclipse.pde.internal.ui.editor.actions.FormatOperation.java

Source

/*******************************************************************************
 *  Copyright (c) 2005, 2012 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.pde.internal.ui.editor.actions;

import java.lang.reflect.InvocationTargetException;
import java.util.Iterator;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.osgi.util.NLS;
import org.eclipse.pde.core.IBaseModel;
import org.eclipse.pde.core.plugin.IPluginBase;
import org.eclipse.pde.core.plugin.IPluginModelBase;
import org.eclipse.pde.internal.core.ibundle.*;
import org.eclipse.pde.internal.core.text.bundle.Bundle;
import org.eclipse.pde.internal.core.text.bundle.BundleModel;
import org.eclipse.pde.internal.core.text.plugin.PluginBaseNode;
import org.eclipse.pde.internal.ui.PDEUIMessages;
import org.eclipse.pde.internal.ui.util.ModelModification;
import org.eclipse.pde.internal.ui.util.PDEModelUtility;
import org.eclipse.ui.IFileEditorInput;

public class FormatOperation implements IRunnableWithProgress {

    private Object[] fObjects;

    public FormatOperation(Object[] objects) {
        fObjects = objects;
    }

    public void run(IProgressMonitor mon) throws InvocationTargetException, InterruptedException {
        mon.beginTask(PDEUIMessages.FormatManifestOperation_task, fObjects.length);
        for (int i = 0; !mon.isCanceled() && i < fObjects.length; i++) {
            Object obj = fObjects[i];
            if (obj instanceof IFileEditorInput)
                obj = ((IFileEditorInput) obj).getFile();
            if (obj instanceof IFile) {
                mon.subTask(NLS.bind(PDEUIMessages.FormatManifestOperation_subtask,
                        ((IFile) obj).getFullPath().toString()));
                format((IFile) obj, mon);
            }
            mon.worked(1);
        }
    }

    public static void format(IFile file, IProgressMonitor mon) {
        PDEModelUtility.modifyModel(new ModelModification(file) {
            protected void modifyModel(IBaseModel model, IProgressMonitor monitor) throws CoreException {
                if (model instanceof IBundlePluginModelBase) {
                    IBundleModel bundleModel = ((IBundlePluginModelBase) model).getBundleModel();
                    if (bundleModel.getBundle() instanceof Bundle)
                        formatBundle((Bundle) bundleModel.getBundle());
                } else if (model instanceof IPluginModelBase) {
                    IPluginBase pluginModel = ((IPluginModelBase) model).getPluginBase();
                    if (pluginModel instanceof PluginBaseNode)
                        formatXML((PluginBaseNode) pluginModel);
                }
            }

            public boolean saveOpenEditor() {
                return false;
            }
        }, mon);
    }

    private static void formatBundle(Bundle bundle) {
        Iterator<?> headers = bundle.getHeaders().values().iterator();
        while (headers.hasNext())
            ((IManifestHeader) headers.next()).update(true);
        BundleModel model = (BundleModel) bundle.getModel();
        model.adjustOffsets(model.getDocument());
    }

    private static void formatXML(PluginBaseNode node) {
        // TODO Auto-generated method stub

    }
}