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/****************************************************************************** |
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* Copyright (c) 2012 Liferay |
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* All rights reserved. This program and the accompanying materials |
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* are made available under the terms of the Eclipse Public License v1.0 |
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* which accompanies this distribution, and is available at |
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* http://www.eclipse.org/legal/epl-v10.html |
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* |
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* Contributors: |
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* Gregory Amerson - initial implementation |
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******************************************************************************/ |
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package org.eclipse.sapphire.ui.swt.gef.actions; |
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import java.io.FileOutputStream; |
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import org.eclipse.draw2d.IFigure; |
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import org.eclipse.draw2d.SWTGraphics; |
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import org.eclipse.draw2d.geometry.Rectangle; |
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import org.eclipse.gef.GraphicalViewer; |
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import org.eclipse.gef.LayerConstants; |
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import org.eclipse.gef.editparts.ScalableFreeformRootEditPart; |
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import org.eclipse.sapphire.modeling.util.NLS; |
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import org.eclipse.sapphire.ui.SapphireRenderingContext; |
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import org.eclipse.sapphire.ui.diagram.SapphireDiagramActionHandler; |
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import org.eclipse.sapphire.ui.swt.gef.DiagramRenderingContext; |
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import org.eclipse.sapphire.ui.swt.gef.SapphireDiagramEditor; |
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import org.eclipse.swt.SWT; |
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import org.eclipse.swt.graphics.GC; |
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import org.eclipse.swt.graphics.Image; |
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import org.eclipse.swt.graphics.ImageData; |
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import org.eclipse.swt.graphics.ImageLoader; |
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import org.eclipse.swt.widgets.Display; |
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import org.eclipse.swt.widgets.FileDialog; |
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import org.eclipse.ui.IEditorInput; |
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import org.eclipse.ui.IFileEditorInput; |
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/** |
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* @author <a href="mailto:gregory.amerson@liferay.com">Gregory Amerson</a> |
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*/ |
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public class SaveAsImageDiagramActionHandler extends SapphireDiagramActionHandler |
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{ |
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@Override |
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public boolean canExecute( Object obj ) |
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{ |
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return true; |
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} |
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@Override |
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protected Object run( SapphireRenderingContext context ) |
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{ |
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DiagramRenderingContext diagramContext = (DiagramRenderingContext) context; |
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SapphireDiagramEditor diagramEditor = diagramContext.getDiagramEditor(); |
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if( diagramEditor != null ) |
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{ |
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FileDialog dialog = new FileDialog( context.getShell(), SWT.SAVE ); |
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IEditorInput editorInput = diagramEditor.getPart().adapt( IEditorInput.class ); |
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if( editorInput instanceof IFileEditorInput ) |
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{ |
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dialog.setFilterPath( ( (IFileEditorInput) editorInput ).getFile().getParent().getRawLocation().toOSString() ); |
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} |
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dialog.setFileName( editorInput.getName().replaceAll( ".xml", ".png" ) ); |
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dialog.setFilterExtensions( new String[] { "*.png" } ); |
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dialog.setText( Resources.saveAsImageMessage ); |
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dialog.setOverwrite( true ); |
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String filePath = dialog.open(); |
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if( filePath == null ) |
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{ |
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return null; |
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} |
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GraphicalViewer graphicalViewer = (GraphicalViewer) diagramEditor.getAdapter( GraphicalViewer.class ); |
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ScalableFreeformRootEditPart rootEditPart = |
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(ScalableFreeformRootEditPart) graphicalViewer.getRootEditPart(); |
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IFigure figure = rootEditPart.getLayer( LayerConstants.PRINTABLE_LAYERS ); |
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Rectangle rectangle = figure.getBounds(); |
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Image image = new Image( Display.getDefault(), rectangle.width, rectangle.height ); |
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GC gc = new GC( image ); |
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SWTGraphics graphics = new SWTGraphics( gc ); |
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figure.paint( graphics ); |
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ImageLoader loader = new ImageLoader(); |
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loader.data = new ImageData[] { image.getImageData() }; |
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try |
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{ |
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final FileOutputStream output = new FileOutputStream( filePath ); |
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loader.save( output, SWT.IMAGE_PNG ); |
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output.flush(); |
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output.close(); |
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image.dispose(); |
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gc.dispose(); |
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graphics.dispose(); |
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} |
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catch( Exception e ) |
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{ |
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} |
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} |
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return null; |
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} |
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private static final class Resources extends NLS |
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{ |
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public static String saveAsImageMessage; |
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static |
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{ |
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initializeMessages( SaveAsImageDiagramActionHandler.class.getName(), Resources.class ); |
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} |
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} |
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} |
