/*******************************************************************************
* Copyright (c) 2003, 2005 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.gef.examples.logicdesigner.actions;
import java.io.InputStream;
import java.io.ObjectInputStream;
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.swt.widgets.Shell;
import org.eclipse.core.resources.IFile;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.IObjectActionDelegate;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.PlatformUI;
import org.eclipse.gef.DefaultEditDomain;
import org.eclipse.gef.GraphicalViewer;
import org.eclipse.gef.editparts.ScalableFreeformRootEditPart;
import org.eclipse.gef.print.PrintGraphicalViewerOperation;
import org.eclipse.gef.ui.parts.ScrollingGraphicalViewer;
import org.eclipse.gef.examples.logicdesigner.edit.GraphicalPartFactory;
/**
* @author Eric Bordeau
*/
public class LogicPrintAction
extends Action
implements IObjectActionDelegate
{
private Object contents;
private IFile selectedFile;
public LogicPrintAction() {}
protected Object getContents() {
return contents;
}
/**
* @see org.eclipse.ui.IObjectActionDelegate#setActivePart(org.eclipse.jface.action.IAction, org.eclipse.ui.IWorkbenchPart)
*/
public void setActivePart(IAction action, IWorkbenchPart targetPart) {}
/**
* @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction)
*/
public void run(IAction action) {
int style = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell().getStyle();
Shell shell = new Shell((style & SWT.MIRRORED) != 0 ? SWT.RIGHT_TO_LEFT : SWT.NONE);
GraphicalViewer viewer = new ScrollingGraphicalViewer();
viewer.createControl(shell);
viewer.setEditDomain(new DefaultEditDomain(null));
viewer.setRootEditPart(new ScalableFreeformRootEditPart());
viewer.setEditPartFactory(new GraphicalPartFactory());
viewer.setContents(getContents());
viewer.flush();
int printMode = new PrintModeDialog(shell).open();
if (printMode == -1)
return;
PrintDialog dialog = new PrintDialog(shell, SWT.NULL);
PrinterData data = dialog.open();
if (data != null) {
PrintGraphicalViewerOperation op =
new PrintGraphicalViewerOperation(new Printer(data), viewer);
op.setPrintMode(printMode);
op.run(selectedFile.getName());
}
}
/**
* @see org.eclipse.ui.IActionDelegate#selectionChanged(org.eclipse.jface.action.IAction, org.eclipse.jface.viewers.ISelection)
*/
public void selectionChanged(IAction action, ISelection selection) {
if (!(selection instanceof IStructuredSelection))
return;
IStructuredSelection sel = (IStructuredSelection)selection;
if (sel.size() != 1)
return;
selectedFile = (IFile)sel.getFirstElement();
try {
InputStream is = selectedFile.getContents(false);
ObjectInputStream ois = new ObjectInputStream(is);
setContents(ois.readObject());
ois.close();
} catch (Exception e) {
//This is just an example. All exceptions caught here.
e.printStackTrace();
}
}
protected void setContents(Object o) {
contents = o;
}
}