org.xtuml.bp.core.ui.CopyCutAction.java Source code

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Here is the source code for org.xtuml.bp.core.ui.CopyCutAction.java

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//========================================================================
//
//File:      $RCSfile: CopyCutAction.java,v $
//Version:   $Revision: 1.15 $
//Modified:  $Date: 2012/03/09 05:29:54 $
//
//(c) Copyright 2007-2014 by Mentor Graphics Corp. All rights reserved.
//
//========================================================================
// Licensed under the Apache License, Version 2.0 (the "License"); you may not 
// use this file except in compliance with the License.  You may obtain a copy 
// of the License at
//
//       http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software 
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   See the 
// License for the specific language governing permissions and limitations under
// the License.
//======================================================================== 
//
package org.xtuml.bp.core.ui;

import java.io.ByteArrayOutputStream;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.swt.dnd.Clipboard;
import org.eclipse.swt.dnd.TextTransfer;
import org.eclipse.swt.dnd.Transfer;
import org.eclipse.ui.ISharedImages;
import org.eclipse.ui.PlatformUI;

import org.xtuml.bp.core.CorePlugin;
import org.xtuml.bp.core.Modeleventnotification_c;
import org.xtuml.bp.core.Ooaofooa;
import org.xtuml.bp.core.SystemModel_c;
import org.xtuml.bp.core.common.ModelRoot;
import org.xtuml.bp.core.common.NonRootModelElement;
import org.xtuml.bp.core.common.Transaction;
import org.xtuml.bp.core.common.TransactionManager;
import org.xtuml.bp.core.util.OoaofgraphicsUtil;

public abstract class CopyCutAction extends CutCopyPasteAction {

    public static final String GENERIC_PACKAGE_HEADER = "-- generics"; //$NON-NLS-1$

    public CopyCutAction() {
        super();
    }

    public void run() {
        Clipboard cb = CorePlugin.getSystemClipboard();
        cb.clearContents();
        Object secondary = getSecondaryClipboardData();
        if (secondary != null && onlyIncludeSecondaryData()) {
            // this occurs when copy of element data is not
            // allowed, but image copy is
            cb.setContents(new Object[] { secondary }, new Transfer[] { getSecondaryTransfer() });
            return;
        }
        try {
            List<NonRootModelElement> elementList = null;
            if (getActionType() == CUT_TYPE) {
                startMove();
                // In move we do not include graphical elements in the list.
                // We don't need them, we go get them.
                elementList = Arrays.asList(getElementsToBeCopied(false));
                ELEMENT_MOVE_SOURCE_SELECTION = new ArrayList<NonRootModelElement>(elementList);
            } else {
                stopMove();
                elementList = Arrays.asList(getElementsToBeCopied(true));
            }

            ByteArrayOutputStream out = new ByteArrayOutputStream();
            String streamContents = "";
            String packagingHeader = getPackagingHeaderFromElements(elementList);
            NonRootModelElement[] nrmeList = new NonRootModelElement[elementList.size()];
            IRunnableWithProgress progress = CorePlugin.getStreamExportFactory().create(out,
                    elementList.toArray(nrmeList), true, false);
            progress.run(new NullProgressMonitor());
            out.close();
            streamContents = new String(out.toByteArray());
            streamContents = streamContents.replaceFirst("\n", "\n" + packagingHeader + "\n");
            if (secondary == null) {
                cb.setContents(new Object[] { streamContents }, new Transfer[] { TextTransfer.getInstance() });
            } else {
                cb.setContents(new Object[] { streamContents, secondary },
                        new Transfer[] { TextTransfer.getInstance(), getSecondaryTransfer() });
            }

            postRun();
        } catch (Exception e) {
            // log error
            CorePlugin.logError("Exception during cut/copy of selection.", e);
        }
    }

    protected abstract Transfer getSecondaryTransfer();

    protected abstract Object getSecondaryClipboardData();

    protected abstract boolean onlyIncludeSecondaryData();

    private String getPackagingHeaderFromElements(List<NonRootModelElement> elements) {
        return GENERIC_PACKAGE_HEADER;
    }

    protected abstract TransactionManager getTransactionManager();

    protected abstract NonRootModelElement[] getElementsToBeCopied(boolean includeGraphics);

    protected abstract int getActionType();

}