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/*******************************************************************************
* Copyright (c) 2000, 2004 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.ui.internal.editors.text;
import java.io.File;
import org.eclipse.core.runtime.IPath;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IAction;
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.editors.text.EditorsUI;
/**
* @since 3.1
*/
public class NewTextEditorAction extends Action implements IWorkbenchWindowActionDelegate {
private IWorkbenchWindow fWindow;
public NewTextEditorAction() {
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) {
// ignore
}
/*
* @see org.eclipse.jface.action.Action#run()
*/
public void run() {
File file= queryFile();
IEditorInput input= createEditorInput(file);
String editorId= getEditorId(file);
IWorkbenchPage page= fWindow.getActivePage();
try {
page.openEditor(input, editorId);
} catch (PartInitException e) {
e.printStackTrace();
}
}
private File queryFile() {
IPath stateLocation= EditorsPlugin.getDefault().getStateLocation();
IPath path= stateLocation.append("/_" + new Object().hashCode()); //$NON-NLS-1$ //$NON-NLS-2$
return new File(path.toOSString());
}
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 EditorsUI.DEFAULT_TEXT_EDITOR_ID;
}
private IEditorInput createEditorInput(File file) {
return new NonExistingFileEditorInput(file, TextEditorMessages.getString("NewTextEditorAction.namePrefix")); //$NON-NLS-1$
}
}
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