--- /dev/null
+/*******************************************************************************
+ * Copyright (c) 2000, 2011 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.io.CharConversionException;
+
+import org.eclipse.jface.dialogs.MessageDialog;
+import org.eclipse.jface.viewers.IStructuredSelection;
+
+import org.eclipse.jface.text.ITextSelection;
+
+import org.eclipse.ui.IWorkbenchSite;
+import org.eclipse.ui.PlatformUI;
+
+import org.eclipse.jdt.core.IType;
+import org.eclipse.jdt.core.JavaModelException;
+
+import org.eclipse.jdt.internal.corext.refactoring.RefactoringAvailabilityTester;
+import org.eclipse.jdt.internal.corext.refactoring.RefactoringExecutionStarter;
+import org.eclipse.jdt.internal.corext.util.JavaModelUtil;
+
+import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
+import org.eclipse.jdt.internal.ui.JavaPlugin;
+import org.eclipse.jdt.internal.ui.actions.ActionUtil;
+import org.eclipse.jdt.internal.ui.actions.SelectionConverter;
+import org.eclipse.jdt.internal.ui.javaeditor.JavaEditor;
+import org.eclipse.jdt.internal.ui.javaeditor.JavaTextSelection;
+import org.eclipse.jdt.internal.ui.refactoring.RefactoringMessages;
+import org.eclipse.jdt.internal.ui.refactoring.actions.RefactoringActions;
+import org.eclipse.jdt.internal.ui.util.ExceptionHandler;
+
+/**
+ * Extract a new interface from a class and tries to use the interface instead
+ * of the concrete class where possible.
+ * <p>
+ * This class may be instantiated; it is not intended to be subclassed.
+ * </p>
+ *
+ * @since 2.1
+ *
+ * @noextend This class is not intended to be subclassed by clients.
+ */
+public class ExtractInterfaceAction extends SelectionDispatchAction {
+
+ private JavaEditor fEditor;
+
+ /**
+ * Note: This constructor is for internal use only. Clients should not call this constructor.
+ * @param editor the java editor
+ *
+ * @noreference This constructor is not intended to be referenced by clients.
+ */
+ public ExtractInterfaceAction(JavaEditor editor) {
+ this(editor.getEditorSite());
+ fEditor= editor;
+ setEnabled(SelectionConverter.canOperateOn(fEditor));
+ }
+
+ /**
+ * Creates a new <code>ExtractInterfaceAction</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 ExtractInterfaceAction(IWorkbenchSite site) {
+ super(site);
+ setText(RefactoringMessages.ExtractInterfaceAction_Extract_Interface);
+ PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IJavaHelpContextIds.EXTRACT_INTERFACE_ACTION);
+ }
+
+ //---- structured selection -------------------------------------------
+
+ /*
+ * @see SelectionDispatchAction#selectionChanged(IStructuredSelection)
+ */
+ @Override
+ public void selectionChanged(IStructuredSelection selection) {
+ try {
+ setEnabled(RefactoringAvailabilityTester.isExtractInterfaceAvailable(selection));
+ } catch (JavaModelException e) {
+ // http://bugs.eclipse.org/bugs/show_bug.cgi?id=19253
+ if (!(e.getException() instanceof CharConversionException) && JavaModelUtil.isExceptionToBeLogged(e))
+ JavaPlugin.log(e);
+ setEnabled(false);//no UI - happens on selection changes
+ }
+ }
+
+ /*
+ * @see SelectionDispatchAction#run(IStructuredSelection)
+ */
+ @Override
+ public void run(IStructuredSelection selection) {
+ try {
+ if (RefactoringAvailabilityTester.isExtractInterfaceAvailable(selection)) {
+ IType singleSelectedType= RefactoringAvailabilityTester.getSingleSelectedType(selection);
+ if (! ActionUtil.isEditable(getShell(), singleSelectedType))
+ return;
+ RefactoringExecutionStarter.startExtractInterfaceRefactoring(singleSelectedType, getShell());
+ }
+ } catch (JavaModelException e) {
+ ExceptionHandler.handle(e, RefactoringMessages.OpenRefactoringWizardAction_refactoring, RefactoringMessages.OpenRefactoringWizardAction_exception);
+ }
+ }
+
+ /*
+ * @see SelectionDispatchAction#selectionChanged(ITextSelection)
+ */
+ @Override
+ public void selectionChanged(ITextSelection selection) {
+ setEnabled(true);
+ }
+
+ /**
+ * Note: This method is for internal use only. Clients should not call this method.
+ * @param selection the Java text selection (internal type)
+ *
+ * @noreference This method is not intended to be referenced by clients.
+ */
+ @Override
+ public void selectionChanged(JavaTextSelection selection) {
+ try {
+ setEnabled(RefactoringAvailabilityTester.isExtractInterfaceAvailable(selection));
+ } catch (JavaModelException e) {
+ setEnabled(false);
+ }
+ }
+
+ /*
+ * @see SelectionDispatchAction#run(ITextSelection)
+ */
+ @Override
+ public void run(ITextSelection selection) {
+ try {
+ if (!ActionUtil.isEditable(fEditor))
+ return;
+ IType type= RefactoringActions.getEnclosingOrPrimaryType(fEditor);
+ if (RefactoringAvailabilityTester.isExtractInterfaceAvailable(type)) {
+ RefactoringExecutionStarter.startExtractInterfaceRefactoring(type, getShell());
+ } else {
+ String unavailable= RefactoringMessages.ExtractInterfaceAction_To_activate;
+ MessageDialog.openInformation(getShell(), RefactoringMessages.OpenRefactoringWizardAction_unavailable, unavailable);
+ }
+ } catch (JavaModelException e) {
+ ExceptionHandler.handle(e, RefactoringMessages.OpenRefactoringWizardAction_refactoring, RefactoringMessages.OpenRefactoringWizardAction_exception);
+ }
+ }
+}
git://git.uio.no / ifi-stolz-refaktor.git / blobdiff