| /******************************************************************************* |
| * Copyright (c) 2000, 2005 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.jdt.ui.actions; |
| |
| import org.eclipse.jdt.core.IJavaElement; |
| import org.eclipse.jdt.core.IOpenable; |
| import org.eclipse.jdt.core.JavaModelException; |
| import org.eclipse.jdt.internal.ui.IJavaHelpContextIds; |
| import org.eclipse.jdt.internal.ui.JavaPlugin; |
| import org.eclipse.jdt.internal.ui.actions.ActionMessages; |
| import org.eclipse.jdt.internal.ui.actions.SelectionConverter; |
| import org.eclipse.jdt.internal.ui.javaeditor.JavaEditor; |
| import org.eclipse.jdt.internal.ui.packageview.PackageExplorerPart; |
| import org.eclipse.jface.dialogs.ErrorDialog; |
| import org.eclipse.jface.text.ITextSelection; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.ui.IWorkbenchSite; |
| import org.eclipse.ui.PlatformUI; |
| /** |
| * This action reveals the currently selected Java element in the |
| * package explorer. |
| * <p> |
| * The action is applicable to selections containing elements of type |
| * <code>IJavaElement</code>. |
| * |
| * <p> |
| * This class may be instantiated; it is not intended to be subclassed. |
| * </p> |
| * @since 2.0 |
| */ |
| public class ShowInPackageViewAction extends SelectionDispatchAction { |
| |
| private JavaEditor fEditor; |
| |
| /** |
| * Creates a new <code>ShowInPackageViewAction</code>. The action requires |
| * that the selection provided by the site's selection provider is of type |
| * <code>org.eclipse.jface.viewers.IStructuredSelection</code>. |
| * |
| * @param site the site providing context information for this action |
| */ |
| public ShowInPackageViewAction(IWorkbenchSite site) { |
| super(site); |
| setText(ActionMessages.ShowInPackageViewAction_label); |
| setDescription(ActionMessages.ShowInPackageViewAction_description); |
| setToolTipText(ActionMessages.ShowInPackageViewAction_tooltip); |
| PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IJavaHelpContextIds.SHOW_IN_PACKAGEVIEW_ACTION); |
| } |
| |
| /** |
| * Note: This constructor is for internal use only. Clients should not call this constructor. |
| * @param editor the Java editor |
| */ |
| public ShowInPackageViewAction(JavaEditor editor) { |
| this(editor.getEditorSite()); |
| fEditor= editor; |
| setEnabled(SelectionConverter.canOperateOn(fEditor)); |
| } |
| |
| /* (non-Javadoc) |
| * Method declared on SelectionDispatchAction. |
| */ |
| public void selectionChanged(ITextSelection selection) { |
| } |
| |
| /* (non-Javadoc) |
| * Method declared on SelectionDispatchAction. |
| */ |
| public void selectionChanged(IStructuredSelection selection) { |
| setEnabled(checkEnabled(selection)); |
| } |
| |
| private boolean checkEnabled(IStructuredSelection selection) { |
| if (selection.size() != 1) |
| return false; |
| return selection.getFirstElement() instanceof IJavaElement; |
| } |
| |
| /* (non-Javadoc) |
| * Method declared on SelectionDispatchAction. |
| */ |
| public void run(ITextSelection selection) { |
| try { |
| IJavaElement element= SelectionConverter.getElementAtOffset(fEditor); |
| if (element != null) |
| run(element); |
| } catch (JavaModelException e) { |
| JavaPlugin.log(e); |
| String message= ActionMessages.ShowInPackageViewAction_error_message; |
| ErrorDialog.openError(getShell(), getDialogTitle(), message, e.getStatus()); |
| } |
| } |
| |
| /* (non-Javadoc) |
| * Method declared on SelectionDispatchAction. |
| */ |
| public void run(IStructuredSelection selection) { |
| if (!checkEnabled(selection)) |
| return; |
| run((IJavaElement)selection.getFirstElement()); |
| } |
| |
| /* |
| * No Javadoc. The method should be internal but can't be changed since |
| * we shipped it with a public visibility |
| */ |
| public void run(IJavaElement element) { |
| if (element == null) |
| return; |
| |
| // reveal the top most element only |
| IOpenable openable= element.getOpenable(); |
| if (openable instanceof IJavaElement) |
| element= (IJavaElement)openable; |
| |
| PackageExplorerPart view= PackageExplorerPart.openInActivePerspective(); |
| view.tryToReveal(element); |
| } |
| |
| private static String getDialogTitle() { |
| return ActionMessages.ShowInPackageViewAction_dialog_title; |
| } |
| } |