| /******************************************************************************* |
| * Copyright (c) 2000, 2008 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v2.0 |
| * 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.wst.jsdt.ui.actions; |
| |
| import java.lang.reflect.InvocationTargetException; |
| |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.jface.text.ITextSelection; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| import org.eclipse.ui.IPageLayout; |
| import org.eclipse.ui.IViewPart; |
| import org.eclipse.ui.IWorkbenchPage; |
| import org.eclipse.ui.IWorkbenchSite; |
| import org.eclipse.ui.PartInitException; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.part.ISetSelectionTarget; |
| import org.eclipse.wst.jsdt.core.IJavaScriptUnit; |
| import org.eclipse.wst.jsdt.core.IJavaScriptElement; |
| import org.eclipse.wst.jsdt.internal.ui.IJavaHelpContextIds; |
| import org.eclipse.wst.jsdt.internal.ui.actions.ActionMessages; |
| import org.eclipse.wst.jsdt.internal.ui.actions.ActionUtil; |
| import org.eclipse.wst.jsdt.internal.ui.actions.SelectionConverter; |
| import org.eclipse.wst.jsdt.internal.ui.javaeditor.JavaEditor; |
| import org.eclipse.wst.jsdt.internal.ui.util.ExceptionHandler; |
| |
| /** |
| * Reveals the selected element in the resource navigator view. |
| * <p> |
| * Action is applicable to structured selections containing JavaScript element |
| * or resources. |
| * |
| * <p> |
| * This class may be instantiated; it is not intended to be subclassed. |
| * </p> |
| * |
| * |
| * Provisional API: This class/interface is part of an interim API that is still under development and expected to |
| * change significantly before reaching stability. It is being made available at this early stage to solicit feedback |
| * from pioneering adopters on the understanding that any code that uses this API will almost certainly be broken |
| * (repeatedly) as the API evolves. |
| */ |
| public class ShowInNavigatorViewAction extends SelectionDispatchAction { |
| |
| private JavaEditor fEditor; |
| |
| /** |
| * Creates a new <code>ShowInNavigatorViewAction</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 ShowInNavigatorViewAction(IWorkbenchSite site) { |
| super(site); |
| setText(ActionMessages.ShowInNavigatorView_label); |
| PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IJavaHelpContextIds.SHOW_IN_NAVIGATOR_VIEW_ACTION); |
| } |
| |
| /** |
| * Note: This constructor is for internal use only. Clients should not call this constructor. |
| * @param editor the JavaScript editor |
| */ |
| public ShowInNavigatorViewAction(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(getResource(selection) != null); |
| } |
| |
| /* (non-Javadoc) |
| * Method declared on SelectionDispatchAction. |
| */ |
| public void run(ITextSelection selection) { |
| IJavaScriptElement input= SelectionConverter.getInput(fEditor); |
| if (!ActionUtil.isProcessable(getShell(), input)) |
| return; |
| |
| |
| try { |
| IJavaScriptElement[] elements= SelectionConverter.codeResolveOrInputForked(fEditor); |
| if (elements == null || elements.length == 0) |
| return; |
| |
| IJavaScriptElement candidate= elements[0]; |
| if (elements.length > 1) { |
| candidate= SelectionConverter.selectJavaElement(elements, getShell(), getDialogTitle(), ActionMessages.ShowInNavigatorView_dialog_message); |
| } |
| if (candidate != null) { |
| run(getResource(candidate)); |
| } |
| } catch (InvocationTargetException e) { |
| ExceptionHandler.handle(e, getDialogTitle(), ActionMessages.SelectionConverter_codeResolve_failed); |
| } catch (InterruptedException e) { |
| // cancelled |
| } |
| } |
| |
| /* (non-Javadoc) |
| * Method declared on SelectionDispatchAction. |
| */ |
| public void run(IStructuredSelection selection) { |
| run(getResource(selection)); |
| } |
| |
| /* |
| * No Javadoc. The method should be internal but can't be changed since |
| * we shipped it with a public visibility |
| */ |
| public void run(IResource resource) { |
| if (resource == null) |
| return; |
| try { |
| IWorkbenchPage page= getSite().getWorkbenchWindow().getActivePage(); |
| IViewPart view= page.showView(IPageLayout.ID_RES_NAV); |
| if (view instanceof ISetSelectionTarget) { |
| ISelection selection= new StructuredSelection(resource); |
| ((ISetSelectionTarget)view).selectReveal(selection); |
| } |
| } catch(PartInitException e) { |
| ExceptionHandler.handle(e, getShell(), getDialogTitle(), ActionMessages.ShowInNavigatorView_error_activation_failed); |
| } |
| } |
| |
| private IResource getResource(IStructuredSelection selection) { |
| if (selection.size() != 1) |
| return null; |
| Object element= selection.getFirstElement(); |
| if (element instanceof IResource) |
| return (IResource)element; |
| if (element instanceof IJavaScriptElement) |
| return getResource((IJavaScriptElement)element); |
| return null; |
| } |
| |
| private IResource getResource(IJavaScriptElement element) { |
| if (element == null) |
| return null; |
| |
| element= (IJavaScriptElement) element.getOpenable(); |
| if (element instanceof IJavaScriptUnit) { |
| element= ((IJavaScriptUnit) element).getPrimary(); |
| } |
| return element.getResource(); |
| } |
| |
| private static String getDialogTitle() { |
| return ActionMessages.ShowInNavigatorView_dialog_title; |
| } |
| } |