| /****************************************************************************** |
| * Copyright (c) 2008, 2009 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.gmf.runtime.diagram.ui.printing.internal.util; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.eclipse.gmf.runtime.common.core.util.Log; |
| import org.eclipse.gmf.runtime.common.core.util.Trace; |
| import org.eclipse.gmf.runtime.common.ui.printing.IPrintHelper; |
| import org.eclipse.gmf.runtime.common.ui.util.DisplayUtils; |
| 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.actions.DefaultPrintActionHelper; |
| import org.eclipse.gmf.runtime.diagram.ui.printing.internal.DiagramPrintingDebugOptions; |
| import org.eclipse.gmf.runtime.diagram.ui.printing.internal.DiagramPrintingPlugin; |
| import org.eclipse.gmf.runtime.diagram.ui.printing.internal.DiagramPrintingStatusCodes; |
| import org.eclipse.gmf.runtime.diagram.ui.printing.internal.l10n.DiagramUIPrintingMessages; |
| import org.eclipse.gmf.runtime.diagram.ui.printing.util.DiagramPrinterUtil; |
| import org.eclipse.gmf.runtime.notation.Diagram; |
| import org.eclipse.jface.dialogs.MessageDialog; |
| import org.eclipse.swt.printing.Printer; |
| import org.eclipse.swt.printing.PrinterData; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.ui.IEditorPart; |
| |
| /** |
| * Utility for using the DiagramPrinter to print diagrams after displaying a |
| * print dialog box to the user. Diagrams are printed using the DiagramPrinter |
| * and respect the settings chosen by the user in the print dialog. |
| * |
| * This class uses the SWT printing to accomplish its task. This class was |
| * derived from |
| * @see org.eclipse.gmf.runtime.diagram.ui.printing.util.DiagramPrinterUtil |
| * |
| * @author James Bruck (jbruck) |
| */ |
| public class SWTDiagramPrinterHelper extends DiagramPrinterHelper { |
| |
| private static SWTDiagramPrinterHelper diagramPrinterHelper; |
| |
| public static SWTDiagramPrinterHelper getDiagramPrinterHelper() { |
| if (diagramPrinterHelper == null) { |
| diagramPrinterHelper = new SWTDiagramPrinterHelper(); |
| } |
| return diagramPrinterHelper; |
| } |
| |
| /** |
| * Prevent instantiation. |
| */ |
| private SWTDiagramPrinterHelper() { |
| } |
| |
| /** |
| * Opens up the print diagrams dialog, allows the user to choose the |
| * settings, and prints. |
| * |
| * @param editorPart |
| * current editor part |
| * @param diagramMap |
| * map of String names to Diagram objects. Should be initialized |
| * by caller of this method. String names will show up in the |
| * print dialog that allows the user to choose which diagrams to |
| * print from a list. |
| * @param diagramPrinter |
| * the diagram printer that does the work of actually printing |
| * the diagrams |
| */ |
| public void printWithSettings(IEditorPart editorPart, Map<String, Diagram> diagramMap, |
| SWTDiagramPrinter diagramPrinter) { |
| |
| List diagramNames; |
| PrinterData printerData; |
| IPrintHelper helper; |
| |
| Display display = DisplayUtils.getDisplay(); |
| |
| try { |
| Class printhelperClass = Class |
| .forName(IPrintHelper.PRINT_HELPER_CLASS_NAME); |
| helper = (IPrintHelper) printhelperClass.newInstance(); |
| diagramNames = new ArrayList(diagramMap.keySet()); |
| |
| printerData = collectPrintInformation(diagramPrinter, helper, |
| diagramNames, editorPart, diagramMap); |
| |
| if (printerData != null) { |
| |
| final Printer printer = new Printer(printerData); |
| |
| diagramPrinter.setPrinter(printer); |
| diagramPrinter.setDisplayDPI(display.getDPI()); |
| |
| if (helper.getDlgDiagramPrintRangeCurrent()) { |
| DiagramEditPart dgrmEP = ((IDiagramWorkbenchPart) editorPart) |
| .getDiagramEditPart(); |
| assert dgrmEP != null; |
| diagramPrinter.setDiagrams(Collections.singletonList(dgrmEP |
| .getDiagramView().getDiagram())); |
| } else if (helper.getDlgDiagramPrintRangeAll()) { |
| diagramPrinter.setDiagrams(diagramMap.values()); |
| } else if (helper.getDlgDiagramPrintRangeSelection()) { |
| Object obj; |
| List list = new ArrayList(); |
| for (int i = 0; i < diagramNames.size(); i++) { |
| // is the diagram selected? |
| // we are only printing the selected ones |
| if (helper.isDlgDiagramSelected(i)) { |
| |
| obj = diagramMap.get(diagramNames.get(i)); |
| if (obj instanceof Diagram) { |
| |
| list.add(obj); |
| } |
| } |
| } |
| diagramPrinter.setDiagrams(list); |
| } |
| |
| printDiagrams(diagramPrinter, helper); |
| |
| printer.dispose(); |
| } |
| } catch (Throwable e) { |
| // if there's a problem with the fragment, try doing the default |
| // this is better than nothing |
| Trace.catching(DiagramPrintingPlugin.getInstance(), |
| DiagramPrintingDebugOptions.EXCEPTIONS_CATCHING, |
| DiagramPrinterUtil.class, e.getMessage(), e); |
| Log.warning(DiagramPrintingPlugin.getInstance(), |
| DiagramPrintingStatusCodes.RESOURCE_FAILURE, |
| e.getMessage(), e); |
| |
| if (MessageDialog |
| .openQuestion( |
| display.getActiveShell(), |
| DiagramUIPrintingMessages.DiagramPrinterUtil_DLLErrorTitle, |
| DiagramUIPrintingMessages.DiagramPrinterUtil_DLLErrorMessage_part1 |
| + "\n" //$NON-NLS-1$ |
| + DiagramUIPrintingMessages.DiagramPrinterUtil_DLLErrorMessage_part2 |
| + "\n" //$NON-NLS-1$ |
| + DiagramUIPrintingMessages.DiagramPrinterUtil_DLLErrorMessage_part3 |
| + "\n\n" //$NON-NLS-1$ |
| + DiagramUIPrintingMessages.DiagramPrinterUtil_DLLErrorMessage_part4)) { |
| DefaultPrintActionHelper.doRun(editorPart, diagramPrinter); |
| } |
| |
| return; |
| } |
| |
| } |
| |
| /** |
| * A helper that simply collects printing information. |
| * |
| * @param diagramPrinter |
| * @param helper |
| * @param diagramNames |
| * @param editorPart |
| * @param diagramMap |
| * @return |
| */ |
| private PrinterData collectPrintInformation( |
| SWTDiagramPrinter diagramPrinter, IPrintHelper helper, |
| List diagramNames, IEditorPart editorPart, Map diagramMap) { |
| |
| PrinterData printerData = null; |
| try { |
| printerData = super.collectPrintInformation(diagramPrinter, helper, |
| diagramNames, editorPart, diagramMap); |
| } catch (Throwable e) { |
| // if there's a problem with the fragment, try doing the default |
| // this is better than nothing |
| Trace.catching(DiagramPrintingPlugin.getInstance(), |
| DiagramPrintingDebugOptions.EXCEPTIONS_CATCHING, |
| DiagramPrinterUtil.class, e.getMessage(), e); |
| Log.warning(DiagramPrintingPlugin.getInstance(), |
| DiagramPrintingStatusCodes.RESOURCE_FAILURE, |
| e.getMessage(), e); |
| |
| if (MessageDialog |
| .openQuestion( |
| DisplayUtils.getDisplay().getActiveShell(), |
| DiagramUIPrintingMessages.DiagramPrinterUtil_DLLErrorTitle, |
| DiagramUIPrintingMessages.DiagramPrinterUtil_DLLErrorMessage_part1 |
| + "\n" //$NON-NLS-1$ |
| + DiagramUIPrintingMessages.DiagramPrinterUtil_DLLErrorMessage_part2 |
| + "\n" //$NON-NLS-1$ |
| + DiagramUIPrintingMessages.DiagramPrinterUtil_DLLErrorMessage_part3 |
| + "\n\n" //$NON-NLS-1$ |
| + DiagramUIPrintingMessages.DiagramPrinterUtil_DLLErrorMessage_part4)) { |
| DefaultPrintActionHelper.doRun(editorPart, diagramPrinter); |
| } |
| } |
| return printerData; |
| } |
| } |