com.archimatetool.zest.CopyZestViewAsImageToClipboardAction.java Source code

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Here is the source code for com.archimatetool.zest.CopyZestViewAsImageToClipboardAction.java

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/**
 * This program and the accompanying materials
 * are made available under the terms of the License
 * which accompanies this distribution in the file LICENSE.txt
 */
package com.archimatetool.zest;

import org.eclipse.jface.action.Action;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.swt.custom.BusyIndicator;
import org.eclipse.swt.dnd.Clipboard;
import org.eclipse.swt.dnd.ImageTransfer;
import org.eclipse.swt.dnd.Transfer;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.ImageData;
import org.eclipse.swt.widgets.Display;

import com.archimatetool.editor.diagram.util.DiagramUtils;

/**
 * Copy Zest Diagram As Image to clipboard Action
 * 
 * @author Phillip Beauvoir
 */
public class CopyZestViewAsImageToClipboardAction extends Action {

    private ZestGraphViewer fGraphViewer;

    public CopyZestViewAsImageToClipboardAction(ZestGraphViewer graphViewer) {
        super(Messages.CopyZestViewAsImageToClipboardAction_0);
        fGraphViewer = graphViewer;
    }

    @Override
    public void run() {

        BusyIndicator.showWhile(Display.getCurrent(), new Runnable() {
            @Override
            public void run() {
                Image image = null;
                Clipboard cb = null;

                try {
                    image = DiagramUtils.createImage(fGraphViewer.getGraphControl().getContents(), 1, 10);
                    ImageData imageData = image.getImageData();

                    cb = new Clipboard(Display.getDefault());
                    cb.setContents(new Object[] { imageData }, new Transfer[] { ImageTransfer.getInstance() });

                    MessageDialog.openInformation(Display.getDefault().getActiveShell(),
                            Messages.CopyZestViewAsImageToClipboardAction_0,
                            Messages.CopyZestViewAsImageToClipboardAction_1);

                } catch (Throwable ex) { // Catch Throwable for SWT errors
                    ex.printStackTrace();

                    MessageDialog.openError(Display.getCurrent().getActiveShell(),
                            Messages.CopyZestViewAsImageToClipboardAction_0,
                            Messages.CopyZestViewAsImageToClipboardAction_2 + " " + ex.getMessage()); //$NON-NLS-1$
                } finally {
                    if (image != null && !image.isDisposed()) {
                        image.dispose();
                    }

                    if (cb != null) {
                        cb.dispose(); // If memory is low this will crash the JVM
                    }
                }
            }
        });
    }

    @Override
    public String getToolTipText() {
        return getText();
    }

}