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/*******************************************************************************
* Copyright (c) 2008, 2009 Oracle.
* 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:
* Oracle - initial API and implementation
*******************************************************************************/
package org.eclipse.jpt.ui.internal.actions;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.content.IContentType;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jpt.core.JpaStructureNode;
import org.eclipse.jpt.core.context.JpaContextNode;
import org.eclipse.jpt.core.context.JpaRootContextNode;
import org.eclipse.jpt.ui.internal.JptUiMessages;
import org.eclipse.jpt.ui.internal.selection.DefaultJpaSelection;
import org.eclipse.jpt.ui.internal.selection.JpaSelectionManager;
import org.eclipse.jpt.ui.internal.selection.SelectionManagerFactory;
import org.eclipse.ui.IEditorDescriptor;
import org.eclipse.ui.IEditorRegistry;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.actions.BaseSelectionListenerAction;
import org.eclipse.ui.ide.IDE;
import org.eclipse.ui.part.FileEditorInput;
public class OpenJpaResourceAction extends BaseSelectionListenerAction
{
private JpaContextNode selectedNode;
public OpenJpaResourceAction() {
super("Open"); //$NON-NLS-1$
}
@Override
public boolean updateSelection(IStructuredSelection s) {
selectedNode = null;
if (! super.updateSelection(s)) {
return false;
}
if (s.size() != 1) {
return false;
}
if (s.getFirstElement() instanceof JpaRootContextNode) {
return false;
}
selectedNode = (JpaContextNode) s.getFirstElement();
return true;
}
@Override
public void run() {
if (! isEnabled()) {
return;
}
IResource resource = selectedNode.getResource();
if (resource != null && resource.exists() && resource.getType() == IResource.FILE) {
openEditor((IFile) resource);
if (selectedNode instanceof JpaStructureNode) {
JpaSelectionManager selectionManager =
SelectionManagerFactory.getSelectionManager(PlatformUI.getWorkbench().getActiveWorkbenchWindow());
selectionManager.select(new DefaultJpaSelection((JpaStructureNode) selectedNode), null);
}
}
}
protected void openEditor(IFile file) {
IEditorRegistry registry = PlatformUI.getWorkbench().getEditorRegistry();
IContentType contentType = IDE.getContentType(file);
IEditorDescriptor editorDescriptor = registry.getDefaultEditor(file.getName(), contentType);
if (editorDescriptor == null) {
return; // no editor associated...
}
IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
try {
page.openEditor(new FileEditorInput(file), editorDescriptor.getId());
}
catch (Exception e) {
MessageDialog.openError(page.getWorkbenchWindow().getShell(), JptUiMessages.Error_openingEditor, e.getMessage());
}
}
}
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