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/*******************************************************************************
* Copyright (c) 2007, 2015 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
******************************************************************************/
package org.eclipse.ui.internal.handlers;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IPersistableEditor;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.XMLMemento;
import org.eclipse.ui.handlers.HandlerUtil;
import org.eclipse.ui.internal.IWorkbenchConstants;
import org.eclipse.ui.internal.WorkbenchMessages;
import org.eclipse.ui.internal.WorkbenchPage;
import org.eclipse.ui.internal.dialogs.DialogUtil;
/**
* Open a new editor on the active editor's input.
*
* @since 3.4
*
*/
public class NewEditorHandler extends AbstractHandler {
@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
IWorkbenchWindow activeWorkbenchWindow = HandlerUtil.getActiveWorkbenchWindow(event);
IWorkbenchPage page = activeWorkbenchWindow.getActivePage();
if (page == null) {
return null;
}
IEditorPart editor = page.getActiveEditor();
if (editor == null) {
return null;
}
String editorId = editor.getSite().getId();
if (editorId == null) {
return null;
}
try {
int matchFlags = IWorkbenchPage.MATCH_NONE | IWorkbenchPage.MATCH_IGNORE_SIZE;
if (editor instanceof IPersistableEditor) {
XMLMemento editorState = XMLMemento.createWriteRoot(IWorkbenchConstants.TAG_EDITOR_STATE);
((IPersistableEditor) editor).saveState(editorState);
((WorkbenchPage) page).openEditor(editor.getEditorInput(), editorId, true, matchFlags,
editorState, true);
} else {
page.openEditor(editor.getEditorInput(), editorId, true, matchFlags);
}
} catch (PartInitException e) {
DialogUtil.openError(activeWorkbenchWindow.getShell(), WorkbenchMessages.Error, e.getMessage(), e);
}
return null;
}
}