[news.eclipse.modeling.m2m] [ATL] Re: Open Atl Editor Through Line Code

[narciso.martins@xxxxxxxxxxxx (Narciso Martins)]

Hey, it's me again!

The class that I talked about in the last message that I sent you is this 
one:
I use this class to open text editors, XML editors and HTML editors.



package org.eclipse.ui.examples.rcp.texteditor.actions;

import java.io.File;
import java.text.MessageFormat;

import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;

import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.FileDialog;

import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ISelection;

import org.eclipse.ui.IEditorDescriptor;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorRegistry;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.IWorkbenchWindowActionDelegate;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.examples.rcp.texteditor.editors.PathEditorInput;

/**
* @since 3.0
*/
public class OpenFileAction extends Action implements 
IWorkbenchWindowActionDelegate {
	
	private IWorkbenchWindow fWindow;

	public OpenFileAction() {
		setEnabled(true);
	}

	/*
	 * @see org.eclipse.ui.IWorkbenchWindowActionDelegate#dispose()
	 */
	public void dispose() {
		fWindow= null;
	}

	/*
	 * @see 
org.eclipse.ui.IWorkbenchWindowActionDelegate#init(org.eclipse.ui.IWorkbenchWindow)
	 */
	public void init(IWorkbenchWindow window) {
		fWindow= window;
	}

	/*
	 * @see 
org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction)
	 */
	public void run(IAction action) {
		run();
	}

	/*
	 * @see 
org.eclipse.ui.IActionDelegate#selectionChanged(org.eclipse.jface.action.IAction, 
org.eclipse.jface.viewers.ISelection)
	 */
	public void selectionChanged(IAction action, ISelection selection) {
	}

	private File queryFile() {
		FileDialog dialog= new FileDialog(fWindow.getShell(), SWT.OPEN);
		dialog.setText("Open File"); //$NON-NLS-1$
		String path= dialog.open();
		if (path != null && path.length() > 0)
			return new File(path);
		return null;
	}

	/*
	 * @see org.eclipse.jface.action.Action#run()
	 */
	public void run() {
		File file= queryFile();
		if (file != null) {
			IEditorInput input= createEditorInput(file);
			String editorId= getEditorId(file);
			IWorkbenchPage page= fWindow.getActivePage();
			try {
				page.openEditor(input, editorId);
			} catch (PartInitException e) {
				e.printStackTrace();
			}
		} else if (file != null) {
			String msg = MessageFormat.format("File is null: {0}", new String[] 
{file.getName()}); //$NON-NLS-1$
			MessageDialog.openWarning(fWindow.getShell(), "Problem", msg); 
//$NON-NLS-1$
		}
	}

	private String getEditorId(File file) {
		IWorkbench workbench= fWindow.getWorkbench();
		IEditorRegistry editorRegistry= workbench.getEditorRegistry();
		IEditorDescriptor descriptor= 
editorRegistry.getDefaultEditor(file.getName());
		if (descriptor != null)
			return descriptor.getId();
		return "org.eclipse.ui.examples.rcp.texteditor.editors.SimpleEditor"; 
//$NON-NLS-1$
	}

	private IEditorInput createEditorInput(File file) {
		IPath location= new Path(file.getAbsolutePath());
		PathEditorInput input= new PathEditorInput(location);
		return input;
	}
}


Thank you again,


Best regards!

Narciso Martins.