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/*****************************************************************************
* Copyright (c) 2017 CEA LIST 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
* Fanch BONNABESSE (ALL4TEC) fanch.bonnabesse@all4tec.net - Bug 424803
*****************************************************************************/
package org.eclipse.papyrus.uml.diagram.common.providers;
import java.util.Collections;
import org.eclipse.gmf.runtime.diagram.ui.editparts.DiagramEditPart;
import org.eclipse.gmf.runtime.diagram.ui.parts.IDiagramWorkbenchPart;
import org.eclipse.gmf.runtime.diagram.ui.printing.internal.l10n.DiagramUIPrintingMessages;
import org.eclipse.gmf.runtime.diagram.ui.printing.internal.util.SWTDiagramPrinter;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.papyrus.infra.ui.editor.IMultiDiagramEditor;
import org.eclipse.swt.SWT;
import org.eclipse.swt.printing.PrintDialog;
import org.eclipse.swt.printing.Printer;
import org.eclipse.swt.printing.PrinterData;
import org.eclipse.ui.IEditorPart;
/**
* Provides basic printing functionality. This does a print from a default print
* dialog.
* Customization of <code>DefaultPrintActionHelper</code>
* @since 3.0
*
*/
public class CustomPrintActionHelper {
/**
* Prints the diagram after a default print dialog is opened for the user.
*
* @param editorPart
* the IEditorPart containing the diagram to print
* @param diagramPrinter
* the diagram printer that does the work of actually printing
* the diagrams
*/
public static void doRun(final IEditorPart editorPart, final SWTDiagramPrinter diagramPrinter) {
// print the editor contents.
final PrintDialog dialog = new PrintDialog(editorPart.getSite().getShell(), SWT.NULL);
final PrinterData data = dialog.open();
if (null != data) {
boolean isPrintToFit = MessageDialog.openQuestion(null,
DiagramUIPrintingMessages.Print_MessageDialogTitle,
DiagramUIPrintingMessages.Print_MessageDialogMessage);
final Printer printer = new Printer(data);
diagramPrinter.setPrinter(printer);
diagramPrinter.setDisplayDPI(dialog.getParent().getDisplay().getDPI());
DiagramEditPart diagramEditPart = null;
if (editorPart instanceof IDiagramWorkbenchPart) {
diagramEditPart = ((IDiagramWorkbenchPart) editorPart).getDiagramEditPart();
} else if (editorPart instanceof IMultiDiagramEditor) {
IEditorPart activeEditor = ((IMultiDiagramEditor) editorPart).getActiveEditor();
if (activeEditor instanceof IDiagramWorkbenchPart) {
diagramEditPart = ((IDiagramWorkbenchPart) activeEditor).getDiagramEditPart();
}
}
if (null != diagramEditPart) {
diagramPrinter.setDiagrams(Collections.singletonList(diagramEditPart.getDiagramView().getDiagram()));
if (isPrintToFit) {
diagramPrinter.setColumns(1);
diagramPrinter.setRows(1);
} else {
diagramPrinter.setScaledPercent(100);
}
diagramPrinter.run();
printer.dispose();
}
}
}
/**
* Private constructor prevents instantiation
*/
private CustomPrintActionHelper() {
// utility class
}
}
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