org.polymap.core.data.image.cache304.CacheNewLayerOperationConcern.java Source code

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Here is the source code for org.polymap.core.data.image.cache304.CacheNewLayerOperationConcern.java

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/* 
 * polymap.org
 * Copyright 2011, Polymap GmbH. All rights reserved.
 *
 * This 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 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software 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
 * Lesser General Public License for more details.
 */
package org.polymap.core.data.image.cache304;

import org.apache.commons.lang.ArrayUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import org.eclipse.swt.widgets.Display;

import org.eclipse.jface.dialogs.MessageDialog;

import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.commands.operations.IUndoableOperation;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;

import org.polymap.core.data.DataPlugin;
import org.polymap.core.data.Messages;
import org.polymap.core.operation.IOperationConcernFactory;
import org.polymap.core.operation.OperationConcernAdapter;
import org.polymap.core.operation.OperationInfo;
import org.polymap.core.project.ILayer;
import org.polymap.core.project.PipelineProcessorConfiguration;
import org.polymap.core.project.operations.NewLayerOperation;
import org.polymap.core.workbench.PolymapWorkbench;

/**
 * 
 *
 * @author <a href="http://www.polymap.de">Falko Brutigam</a>
 */
public class CacheNewLayerOperationConcern extends IOperationConcernFactory {

    private static Log log = LogFactory.getLog(CacheNewLayerOperationConcern.class);

    public CacheNewLayerOperationConcern() {
    }

    public IUndoableOperation newInstance(final IUndoableOperation op, final OperationInfo info) {
        if (op instanceof NewLayerOperation) {

            return new OperationConcernAdapter() {

                public IStatus execute(IProgressMonitor monitor, IAdaptable _info) throws ExecutionException {
                    IStatus result = info.next().execute(monitor, _info);

                    Display display = (Display) _info.getAdapter(Display.class);
                    display.syncExec(new Runnable() {
                        public void run() {
                            MessageDialog.openInformation(PolymapWorkbench.getShellToParentOn(),
                                    Messages.get("CacheNewLayerConcern_title"),
                                    Messages.get("CacheNewLayerConcern_msg"));

                            ILayer layer = ((NewLayerOperation) op).getNewLayer();
                            try {
                                PipelineProcessorConfiguration[] configs = layer.getProcessorConfigs();

                                // new config
                                PipelineProcessorConfiguration newConfig = new PipelineProcessorConfiguration(
                                        ImageCacheProcessor.class.getName(), "Image-TileCache");
                                configs = (PipelineProcessorConfiguration[]) ArrayUtils.add(configs, newConfig);

                                layer.setProcessorConfigs(configs);
                            } catch (Exception e) {
                                PolymapWorkbench.handleError(DataPlugin.PLUGIN_ID, this, e.getLocalizedMessage(),
                                        e);
                            }
                        }
                    });
                    return result;
                }

                protected OperationInfo getInfo() {
                    return info;
                }
            };
        }
        return null;
    }

}