| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.netbeans.modules.refactoring.java.ui; |
| |
| import com.sun.source.util.TreePath; |
| import java.util.HashSet; |
| import java.util.Set; |
| import javax.lang.model.element.Element; |
| import javax.lang.model.element.TypeElement; |
| import javax.swing.event.ChangeListener; |
| import org.netbeans.api.fileinfo.NonRecursiveFolder; |
| import org.netbeans.api.java.source.CompilationInfo; |
| import org.netbeans.api.java.source.TreePathHandle; |
| import org.netbeans.api.java.source.ui.ElementHeaders; |
| import org.netbeans.modules.refactoring.api.AbstractRefactoring; |
| import org.netbeans.modules.refactoring.api.Problem; |
| import org.netbeans.modules.refactoring.java.RefactoringUtils; |
| import org.netbeans.modules.refactoring.java.api.MemberInfo; |
| import org.netbeans.modules.refactoring.java.api.PushDownRefactoring; |
| import org.netbeans.modules.refactoring.spi.ui.CustomRefactoringPanel; |
| import org.netbeans.modules.refactoring.spi.ui.RefactoringUI; |
| import org.openide.filesystems.FileObject; |
| import org.openide.util.HelpCtx; |
| import org.openide.util.NbBundle; |
| |
| |
| /** Refactoring UI object for Push Down refactoring. |
| * |
| * @author Pavel Flaska, Jan Becicka |
| */ |
| public class PushDownRefactoringUI implements RefactoringUI, JavaRefactoringUIFactory { |
| // reference to pull up refactoring this UI object corresponds to |
| private PushDownRefactoring refactoring; |
| // initially selected members |
| private Set initialMembers; |
| // UI panel for collecting parameters |
| private PushDownPanel panel; |
| |
| private String description; |
| |
| /** Creates a new instance of PushDownRefactoringUI |
| * @param selectedElements Elements the refactoring action was invoked on. |
| */ |
| private PushDownRefactoringUI(TreePathHandle selectedElements, CompilationInfo info) { |
| initialMembers = new HashSet(); |
| TreePathHandle selectedPath = resolveSelection(selectedElements, info); |
| |
| if (selectedPath != null) { |
| Element selected = selectedPath.resolveElement(info); |
| initialMembers.add(MemberInfo.create(selected, info)); |
| // compute source type and members that should be pre-selected from the |
| // set of elements the action was invoked on |
| |
| // create an instance of push down refactoring object |
| if (!(selected instanceof TypeElement)) { |
| selected = info.getElementUtilities().enclosingTypeElement(selected); |
| } |
| TreePath tp = info.getTrees().getPath(selected); |
| if(tp != null) { |
| TreePathHandle sourceType = TreePathHandle.create(tp, info); |
| description = ElementHeaders.getHeader(tp, info, ElementHeaders.NAME); |
| refactoring = new PushDownRefactoring(sourceType); |
| refactoring.getContext().add(RefactoringUtils.getClasspathInfoFor(sourceType)); |
| } else { |
| // put the unresolvable selection to refactoring, |
| // user notification is provided by PushDownRefactoringPlugin.preCheck |
| refactoring = new PushDownRefactoring(selectedElements); |
| } |
| } else { |
| // put the unresolvable selection to refactoring, |
| // user notification is provided by PushDownRefactoringPlugin.preCheck |
| refactoring = new PushDownRefactoring(selectedElements); |
| } |
| } |
| |
| private PushDownRefactoringUI() { |
| } |
| |
| // --- IMPLEMENTATION OF RefactoringUI INTERFACE --------------------------- |
| |
| @Override |
| public boolean isQuery() { |
| return false; |
| } |
| |
| @Override |
| public CustomRefactoringPanel getPanel(ChangeListener parent) { |
| if (panel == null) { |
| panel = new PushDownPanel(refactoring, initialMembers, parent); |
| } |
| return panel; |
| } |
| |
| @Override |
| public Problem setParameters() { |
| captureParameters(); |
| return refactoring.checkParameters(); |
| } |
| |
| @Override |
| public Problem checkParameters() { |
| captureParameters(); |
| return refactoring.fastCheckParameters(); |
| } |
| |
| @Override |
| public AbstractRefactoring getRefactoring() { |
| return refactoring; |
| } |
| |
| @Override |
| public String getDescription() { |
| return NbBundle.getMessage(PushDownRefactoringUI.class, "DSC_PushDown", description); // NOI18N |
| } |
| |
| @Override |
| public String getName() { |
| return NbBundle.getMessage(PushDownRefactoringUI.class, "LBL_PushDown"); // NOI18N |
| } |
| |
| @Override |
| public boolean hasParameters() { |
| return true; |
| } |
| |
| @Override |
| public HelpCtx getHelpCtx() { |
| return new HelpCtx("org.netbeans.modules.refactoring.java.ui.PushDownRefactoringUI"); // NOI18N |
| } |
| |
| // --- PRIVATE HELPER METHODS ---------------------------------------------- |
| |
| /** Gets parameters from the refactoring panel and sets them |
| * to the refactoring object. |
| */ |
| private void captureParameters() { |
| refactoring.setMembers(panel.getMembers()); |
| } |
| |
| static TreePathHandle resolveSelection(TreePathHandle source, CompilationInfo javac) { |
| TreePath resolvedPath = source.resolve(javac); |
| TreePath path = resolvedPath; |
| Element resolvedElement = source.resolveElement(javac); |
| while (path != null && resolvedElement == null) { |
| path = path.getParentPath(); |
| if (path == null) { |
| return null; |
| } |
| resolvedElement = javac.getTrees().getElement(path); |
| } |
| |
| return path == resolvedPath ? source : TreePathHandle.create(path, javac); |
| } |
| |
| @Override |
| public RefactoringUI create(CompilationInfo info, TreePathHandle[] handles, FileObject[] files, NonRecursiveFolder[] packages) { |
| assert handles.length == 1; |
| TreePathHandle selectedElement = PullUpRefactoringUI.findSelectedClassMemberDeclaration(handles[0], info); |
| return selectedElement != null |
| ? new PushDownRefactoringUI(selectedElement, info) |
| : null; |
| } |
| |
| public static JavaRefactoringUIFactory factory() { |
| return new PushDownRefactoringUI(); |
| } |
| |
| } |