| /****************************************************************************** |
| * Copyright (c) 2008 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.render.dialogs; |
| |
| import org.eclipse.gmf.runtime.common.ui.action.actions.IPrintActionHelper; |
| import org.eclipse.gmf.runtime.diagram.ui.printing.internal.l10n.DiagramUIPrintingMessages; |
| import org.eclipse.gmf.runtime.diagram.ui.printing.internal.printpreview.PrintPreviewHelper; |
| import org.eclipse.gmf.runtime.diagram.ui.printing.internal.util.PrintHelperUtil; |
| import org.eclipse.gmf.runtime.diagram.ui.printing.render.actions.EnhancedPrintActionHelper; |
| import org.eclipse.gmf.runtime.diagram.ui.printing.render.internal.printpreview.RenderedPrintPreviewHelper; |
| import org.eclipse.gmf.runtime.diagram.ui.printing.render.model.PrintOptions; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.events.SelectionAdapter; |
| import org.eclipse.swt.events.SelectionEvent; |
| import org.eclipse.swt.widgets.Button; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| |
| /** |
| * A section of the JPS print dialog that handles extra actions. In this case, |
| * we contribute print preview capabilities. |
| * |
| * @author Christian Damus (cdamus) |
| * @author James Bruck (jbruck) |
| */ |
| class ActionsBlock extends DialogBlock { |
| private final PrintOptions options; |
| |
| private Button printPreview; |
| private PrintPreviewHelper printPreviewHelper; |
| private IPrintActionHelper printActionHelper; |
| |
| ActionsBlock(IDialogUnitConverter dluConverter, PrintOptions options) { |
| super(dluConverter); |
| this.options = options; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.gmf.runtime.common.ui.printing.internal.dialogs.DialogBlock#createContents(org.eclipse.swt.widgets.Composite) |
| */ |
| public Control createContents(Composite parent) { |
| printPreview = new Button(parent, SWT.PUSH); |
| printPreview.setData(new Integer(2)); |
| printPreview |
| .setText(DiagramUIPrintingMessages.JPSPrintDialog_Button_PrintPreview); |
| |
| printPreview.addSelectionListener(new SelectionAdapter() { |
| public void widgetSelected(SelectionEvent event) { |
| buttonPressed(((Integer) event.widget.getData()).intValue()); |
| } |
| }); |
| layoutVerticalIndent(layoutAlignLeft(printPreview)); |
| |
| return printPreview; |
| } |
| |
| /** |
| * Bring up the print preview with printing disabled. |
| * |
| * @param buttonId |
| */ |
| protected void buttonPressed(int buttonId) { |
| switch (buttonId) { |
| case -1: |
| break; |
| default: |
| PrintPreviewHelper previewHelper = getPrintPreviewHelper(); |
| |
| PrintHelperUtil.setScale(options.getScaleFactor()); |
| PrintHelperUtil.setScaleToWidth(options.getFitToPagesWidth()); |
| PrintHelperUtil.setScaleToHeight(options.getFitToPagesHeight()); |
| previewHelper.enablePrinting(false); |
| |
| if (options.isPercentScaling()) { |
| previewHelper.setPercentScaling(options.getScaleFactor()); |
| } else { |
| previewHelper.setFitToPage(options.getFitToPagesWidth(), |
| options.getFitToPagesHeight()); |
| } |
| |
| previewHelper.doPrintPreview(getPrintActionHelper()); |
| |
| options.setScaleFactor(PrintHelperUtil.getScale()); |
| options.setFitToPagesWidth(PrintHelperUtil.getScaleToWidth()); |
| options.setFitToPagesHeight(PrintHelperUtil.getScaleToHeight()); |
| } |
| } |
| |
| /** |
| * Return the print preview helper responsible for performing the print |
| * preview. |
| * |
| * @return PrintPreviewHelper the print preview helper. |
| */ |
| private PrintPreviewHelper getPrintPreviewHelper() { |
| if (printPreviewHelper == null) { |
| printPreviewHelper = new RenderedPrintPreviewHelper(); |
| } |
| return printPreviewHelper; |
| } |
| |
| private IPrintActionHelper getPrintActionHelper() { |
| if (printActionHelper == null) { |
| printActionHelper = new EnhancedPrintActionHelper(); |
| } |
| return printActionHelper; |
| } |
| |
| @Override |
| public void dispose() { |
| // nothing special to dispose |
| } |
| |
| } |