| /******************************************************************************* |
| * Copyright (c) 2000, 2017 IBM Corporation and others. |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0. |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| *******************************************************************************/ |
| package org.eclipse.dltk.internal.ui.actions; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.dltk.core.IModelElement; |
| import org.eclipse.dltk.core.ISourceReference; |
| import org.eclipse.dltk.core.ModelException; |
| import org.eclipse.dltk.internal.ui.editor.EditorUtility; |
| import org.eclipse.dltk.ui.ModelElementLabelProvider; |
| import org.eclipse.jface.window.Window; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.ui.IEditorPart; |
| import org.eclipse.ui.PartInitException; |
| import org.eclipse.ui.dialogs.ElementListSelectionDialog; |
| |
| public class OpenActionUtil { |
| |
| private OpenActionUtil() { |
| // no instance. |
| } |
| |
| /** |
| * Opens the editor on the given element and subsequently selects it. |
| */ |
| public static void open(Object element) |
| throws ModelException, PartInitException { |
| open(element, true); |
| } |
| |
| /** |
| * Opens the editor on the given element and subsequently selects it. |
| */ |
| public static void open(Object element, boolean activate) |
| throws ModelException, PartInitException { |
| IEditorPart part = EditorUtility.openInEditor(element, activate); |
| if (element instanceof IModelElement) |
| EditorUtility.revealInEditor(part, (IModelElement) element); |
| } |
| |
| /** |
| * Filters out source references from the given code resolve results. A |
| * utility method that can be called by subclasses. |
| */ |
| public static List<IModelElement> filterResolveResults( |
| IModelElement[] codeResolveResults) { |
| int nResults = codeResolveResults.length; |
| List<IModelElement> refs = new ArrayList<>(nResults); |
| for (int i = 0; i < nResults; i++) { |
| if (codeResolveResults[i] instanceof ISourceReference) |
| refs.add(codeResolveResults[i]); |
| } |
| return refs; |
| } |
| |
| public static Object select(Object[] elements, Shell shell, String title, |
| String message) { |
| |
| int nResults = elements.length; |
| |
| if (nResults == 0) |
| return null; |
| |
| if (nResults == 1) |
| return elements[0]; |
| |
| int flags = ModelElementLabelProvider.SHOW_DEFAULT |
| // | ModelElementLabelProvider.SHOW_QUALIFIED |
| | ModelElementLabelProvider.SHOW_ROOT |
| | ModelElementLabelProvider.SHOW_FILE_QUALIFIED; |
| |
| ElementListSelectionDialog dialog = new ElementListSelectionDialog( |
| shell, new ModelElementLabelProvider(flags)); |
| dialog.setTitle(title); |
| dialog.setMessage(message); |
| dialog.setElements(elements); |
| |
| if (dialog.open() == Window.OK) { |
| Object[] selection = dialog.getResult(); |
| if (selection != null && selection.length > 0) { |
| return selection[0]; |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * Shows a dialog for resolving an ambiguous script element. Utility method |
| * that can be called by subclasses. |
| */ |
| public static IModelElement selectModelElement(IModelElement[] elements, |
| Shell shell, String title, String message) { |
| Object selection = select(elements, shell, title, message); |
| if (selection instanceof IModelElement) { |
| return (IModelElement) selection; |
| } |
| return null; |
| } |
| } |