| /******************************************************************************* |
| * Copyright (c) 2000, 2006 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 java.lang.reflect.InvocationTargetException; |
| import java.util.Iterator; |
| |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.resources.IStorage; |
| |
| import org.eclipse.jface.dialogs.ErrorDialog; |
| import org.eclipse.jface.dialogs.MessageDialog; |
| import org.eclipse.jface.util.OpenStrategy; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| |
| import org.eclipse.jface.text.ITextSelection; |
| |
| import org.eclipse.ui.IWorkbenchSite; |
| import org.eclipse.ui.PartInitException; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.texteditor.IEditorStatusLine; |
| |
| import org.eclipse.jdt.core.ICompilationUnit; |
| import org.eclipse.jdt.core.IJavaElement; |
| import org.eclipse.jdt.core.ISourceReference; |
| import org.eclipse.jdt.core.JavaModelException; |
| |
| import org.eclipse.jdt.internal.corext.util.JavaModelUtil; |
| import org.eclipse.jdt.internal.corext.util.Messages; |
| |
| import org.eclipse.jdt.internal.ui.IJavaHelpContextIds; |
| import org.eclipse.jdt.internal.ui.IJavaStatusConstants; |
| import org.eclipse.jdt.internal.ui.JavaPlugin; |
| import org.eclipse.jdt.internal.ui.actions.ActionMessages; |
| import org.eclipse.jdt.internal.ui.actions.ActionUtil; |
| import org.eclipse.jdt.internal.ui.actions.OpenActionUtil; |
| import org.eclipse.jdt.internal.ui.actions.SelectionConverter; |
| import org.eclipse.jdt.internal.ui.javaeditor.EditorUtility; |
| import org.eclipse.jdt.internal.ui.javaeditor.JavaEditor; |
| import org.eclipse.jdt.internal.ui.util.ExceptionHandler; |
| |
| /** |
| * This action opens a Java editor on a Java element or file. |
| * <p> |
| * The action is applicable to selections containing elements of |
| * type <code>ICompilationUnit</code>, <code>IMember</code> |
| * or <code>IFile</code>. |
| * |
| * <p> |
| * This class may be instantiated; it is not intended to be subclassed. |
| * </p> |
| * |
| * @since 2.0 |
| */ |
| public class OpenAction extends SelectionDispatchAction { |
| |
| private JavaEditor fEditor; |
| |
| /** |
| * Creates a new <code>OpenAction</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 OpenAction(IWorkbenchSite site) { |
| super(site); |
| setText(ActionMessages.OpenAction_label); |
| setToolTipText(ActionMessages.OpenAction_tooltip); |
| setDescription(ActionMessages.OpenAction_description); |
| PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IJavaHelpContextIds.OPEN_ACTION); |
| } |
| |
| /** |
| * Note: This constructor is for internal use only. Clients should not call this constructor. |
| * @param editor the Java editor |
| */ |
| public OpenAction(JavaEditor editor) { |
| this(editor.getEditorSite()); |
| fEditor= editor; |
| setText(ActionMessages.OpenAction_declaration_label); |
| setEnabled(EditorUtility.getEditorInputJavaElement(fEditor, false) != null); |
| } |
| |
| /* (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.isEmpty()) |
| return false; |
| for (Iterator iter= selection.iterator(); iter.hasNext();) { |
| Object element= iter.next(); |
| if (element instanceof ISourceReference) |
| continue; |
| if (element instanceof IFile) |
| continue; |
| if (element instanceof IStorage) |
| continue; |
| return false; |
| } |
| return true; |
| } |
| |
| /* (non-Javadoc) |
| * Method declared on SelectionDispatchAction. |
| */ |
| public void run(ITextSelection selection) { |
| if (!isProcessable()) |
| return; |
| try { |
| IJavaElement[] elements= SelectionConverter.codeResolveForked(fEditor, false); |
| if (elements == null || elements.length == 0) { |
| IEditorStatusLine statusLine= (IEditorStatusLine) fEditor.getAdapter(IEditorStatusLine.class); |
| if (statusLine != null) |
| statusLine.setMessage(true, ActionMessages.OpenAction_error_messageBadSelection, null); |
| getShell().getDisplay().beep(); |
| return; |
| } |
| IJavaElement element= elements[0]; |
| if (elements.length > 1) { |
| element= OpenActionUtil.selectJavaElement(elements, getShell(), getDialogTitle(), ActionMessages.OpenAction_select_element); |
| if (element == null) |
| return; |
| } |
| |
| int type= element.getElementType(); |
| if (type == IJavaElement.JAVA_PROJECT || type == IJavaElement.PACKAGE_FRAGMENT_ROOT || type == IJavaElement.PACKAGE_FRAGMENT) |
| element= EditorUtility.getEditorInputJavaElement(fEditor, false); |
| run(new Object[] {element} ); |
| } catch (InvocationTargetException e) { |
| showError(e); |
| } catch (InterruptedException e) { |
| // ignore |
| } |
| } |
| |
| private boolean isProcessable() { |
| if (fEditor != null) { |
| IJavaElement je= EditorUtility.getEditorInputJavaElement(fEditor, false); |
| if (je instanceof ICompilationUnit && !JavaModelUtil.isPrimary((ICompilationUnit)je)) |
| return true; // can process non-primary working copies |
| } |
| return ActionUtil.isProcessable(getShell(), fEditor); |
| } |
| |
| /* (non-Javadoc) |
| * Method declared on SelectionDispatchAction. |
| */ |
| public void run(IStructuredSelection selection) { |
| if (!checkEnabled(selection)) |
| return; |
| run(selection.toArray()); |
| } |
| |
| /** |
| * Note: this method is for internal use only. Clients should not call this method. |
| * |
| * @param elements the elements to process |
| */ |
| public void run(Object[] elements) { |
| if (elements == null) |
| return; |
| for (int i= 0; i < elements.length; i++) { |
| Object element= elements[i]; |
| try { |
| element= getElementToOpen(element); |
| boolean activateOnOpen= fEditor != null ? true : OpenStrategy.activateOnOpen(); |
| OpenActionUtil.open(element, activateOnOpen); |
| } catch (JavaModelException e) { |
| JavaPlugin.log(new Status(IStatus.ERROR, JavaPlugin.getPluginId(), |
| IJavaStatusConstants.INTERNAL_ERROR, ActionMessages.OpenAction_error_message, e)); |
| |
| ErrorDialog.openError(getShell(), |
| getDialogTitle(), |
| ActionMessages.OpenAction_error_messageProblems, |
| e.getStatus()); |
| |
| } catch (PartInitException x) { |
| |
| String name= null; |
| |
| if (element instanceof IJavaElement) { |
| name= ((IJavaElement) element).getElementName(); |
| } else if (element instanceof IStorage) { |
| name= ((IStorage) element).getName(); |
| } else if (element instanceof IResource) { |
| name= ((IResource) element).getName(); |
| } |
| |
| if (name != null) { |
| MessageDialog.openError(getShell(), |
| ActionMessages.OpenAction_error_messageProblems, |
| Messages.format(ActionMessages.OpenAction_error_messageArgs, |
| new String[] { name, x.getMessage() } )); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Note: this method is for internal use only. Clients should not call this method. |
| * |
| * @param object the element to open |
| * @return the real element to open |
| * @throws JavaModelException if an error occurs while accessing the Java model |
| */ |
| public Object getElementToOpen(Object object) throws JavaModelException { |
| return object; |
| } |
| |
| private String getDialogTitle() { |
| return ActionMessages.OpenAction_error_title; |
| } |
| |
| private void showError(InvocationTargetException e) { |
| ExceptionHandler.handle(e, getShell(), getDialogTitle(), ActionMessages.OpenAction_error_message); |
| } |
| } |