| /* |
| * Copyright 2000-2009 JetBrains s.r.o. |
| * |
| * Licensed 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 com.intellij.ide.actions; |
| |
| import com.intellij.codeInsight.TargetElementUtilBase; |
| import com.intellij.ide.FileEditorProvider; |
| import com.intellij.ide.SelectInContext; |
| import com.intellij.ide.structureView.StructureView; |
| import com.intellij.ide.structureView.StructureViewBuilder; |
| import com.intellij.openapi.actionSystem.AnActionEvent; |
| import com.intellij.openapi.actionSystem.CommonDataKeys; |
| import com.intellij.openapi.actionSystem.DataContext; |
| import com.intellij.openapi.actionSystem.PlatformDataKeys; |
| import com.intellij.openapi.editor.Document; |
| import com.intellij.openapi.editor.Editor; |
| import com.intellij.openapi.fileEditor.*; |
| import com.intellij.openapi.fileEditor.ex.FileEditorManagerEx; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.util.Disposer; |
| import com.intellij.openapi.vfs.VirtualFile; |
| import com.intellij.pom.Navigatable; |
| import com.intellij.psi.PsiDocumentManager; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiFile; |
| import com.intellij.psi.PsiManager; |
| import com.intellij.psi.templateLanguages.TemplateLanguageFileViewProvider; |
| import com.intellij.util.ArrayUtil; |
| import com.intellij.util.ObjectUtils; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import javax.swing.*; |
| import java.awt.event.InputEvent; |
| |
| public abstract class SelectInContextImpl implements SelectInContext { |
| protected final PsiFile myPsiFile; |
| |
| protected SelectInContextImpl(PsiFile psiFile) { |
| myPsiFile = psiFile; |
| } |
| |
| @Override |
| @NotNull |
| public Project getProject() { |
| return myPsiFile.getProject(); |
| } |
| |
| |
| @Override |
| @NotNull |
| public VirtualFile getVirtualFile() { |
| final VirtualFile vFile = myPsiFile.getVirtualFile(); |
| assert vFile != null; |
| return vFile; |
| } |
| |
| @Override |
| public Object getSelectorInFile() { |
| return myPsiFile; |
| } |
| |
| @Nullable |
| public static SelectInContext createContext(AnActionEvent event) { |
| DataContext dataContext = event.getDataContext(); |
| |
| SelectInContext result = createEditorContext(dataContext); |
| if (result != null) { |
| return result; |
| } |
| |
| JComponent sourceComponent = getEventComponent(event); |
| if (sourceComponent == null) { |
| return null; |
| } |
| |
| SelectInContext selectInContext = SelectInContext.DATA_KEY.getData(dataContext); |
| if (selectInContext == null) { |
| selectInContext = createPsiContext(event); |
| } |
| |
| if (selectInContext == null) { |
| Navigatable descriptor = CommonDataKeys.NAVIGATABLE.getData(dataContext); |
| if (descriptor instanceof OpenFileDescriptor) { |
| final VirtualFile file = ((OpenFileDescriptor)descriptor).getFile(); |
| if (file.isValid()) { |
| Project project = CommonDataKeys.PROJECT.getData(dataContext); |
| selectInContext = OpenFileDescriptorContext.create(project, file); |
| } |
| } |
| } |
| |
| if (selectInContext == null) { |
| VirtualFile virtualFile = CommonDataKeys.VIRTUAL_FILE.getData(dataContext); |
| Project project = CommonDataKeys.PROJECT.getData(dataContext); |
| if (virtualFile != null && project != null) { |
| return new VirtualFileSelectInContext(project, virtualFile); |
| } |
| } |
| |
| return selectInContext; |
| } |
| |
| @Nullable |
| private static SelectInContext createEditorContext(DataContext dataContext) { |
| final Project project = CommonDataKeys.PROJECT.getData(dataContext); |
| final FileEditor editor = PlatformDataKeys.FILE_EDITOR.getData(dataContext); |
| return doCreateEditorContext(project, editor, dataContext); |
| } |
| |
| public static SelectInContext createEditorContext(Project project, FileEditor editor) { |
| return doCreateEditorContext(project, editor, null); |
| } |
| |
| private static SelectInContext doCreateEditorContext(Project project, FileEditor editor, @Nullable DataContext dataContext) { |
| if (project == null || editor == null) { |
| return null; |
| } |
| VirtualFile file = FileEditorManagerEx.getInstanceEx(project).getFile(editor); |
| if (file == null) { |
| file = dataContext == null ? null : CommonDataKeys.VIRTUAL_FILE.getData(dataContext); |
| if (file == null) { |
| return null; |
| } |
| } |
| final PsiFile psiFile = PsiManager.getInstance(project).findFile(file); |
| if (psiFile == null) { |
| return null; |
| } |
| if (editor instanceof TextEditor) { |
| return new TextEditorContext((TextEditor)editor, psiFile); |
| } |
| else { |
| StructureViewBuilder builder = editor.getStructureViewBuilder(); |
| StructureView structureView = builder != null ? builder.createStructureView(editor, project) : null; |
| Object selectorInFile = structureView != null ? structureView.getTreeModel().getCurrentEditorElement() : null; |
| if (structureView != null) Disposer.dispose(structureView); |
| return new SimpleSelectInContext(psiFile, ObjectUtils.chooseNotNull(selectorInFile, psiFile)); |
| } |
| } |
| |
| @Nullable |
| private static SelectInContext createPsiContext(AnActionEvent event) { |
| final DataContext dataContext = event.getDataContext(); |
| PsiElement psiElement = CommonDataKeys.PSI_ELEMENT.getData(dataContext); |
| if (psiElement == null || !psiElement.isValid()) { |
| return null; |
| } |
| PsiFile psiFile = psiElement.getContainingFile(); |
| if (psiFile == null) { |
| return null; |
| } |
| return new SimpleSelectInContext(psiFile, psiElement); |
| } |
| |
| @Nullable |
| private static JComponent getEventComponent(AnActionEvent event) { |
| InputEvent inputEvent = event.getInputEvent(); |
| Object source; |
| if (inputEvent != null && (source = inputEvent.getSource()) instanceof JComponent) { |
| return (JComponent)source; |
| } |
| else { |
| return safeCast(PlatformDataKeys.CONTEXT_COMPONENT.getData(event.getDataContext()), JComponent.class); |
| } |
| } |
| |
| @Nullable |
| @SuppressWarnings({"unchecked"}) |
| private static <T> T safeCast(final Object obj, final Class<T> expectedClass) { |
| if (expectedClass.isInstance(obj)) return (T)obj; |
| return null; |
| } |
| |
| private static class TextEditorContext extends SelectInContextImpl { |
| private final TextEditor myEditor; |
| |
| public TextEditorContext(TextEditor editor, PsiFile psiFile) { |
| super(psiFile); |
| myEditor = editor; |
| } |
| |
| @Override |
| public FileEditorProvider getFileEditorProvider() { |
| return new FileEditorProvider() { |
| @Override |
| public FileEditor openFileEditor() { |
| return myEditor; |
| } |
| }; |
| } |
| |
| @Override |
| public Object getSelectorInFile() { |
| if (myPsiFile.getViewProvider() instanceof TemplateLanguageFileViewProvider) { |
| return super.getSelectorInFile(); |
| } |
| Editor editor = myEditor.getEditor(); |
| int offset = TargetElementUtilBase.adjustOffset(myPsiFile, editor.getDocument(), editor.getCaretModel().getOffset()); |
| PsiElement element = myPsiFile.findElementAt(offset); |
| return element != null ? element : super.getSelectorInFile(); |
| } |
| } |
| |
| |
| private static class OpenFileDescriptorContext extends SelectInContextImpl { |
| public OpenFileDescriptorContext(PsiFile psiFile) { |
| super(psiFile); |
| } |
| |
| @Override |
| public FileEditorProvider getFileEditorProvider() { |
| return new FileEditorProvider() { |
| @Override |
| public FileEditor openFileEditor() { |
| return FileEditorManager.getInstance(getProject()).openFile(getVirtualFile(), false)[0]; |
| } |
| }; |
| } |
| |
| @Nullable |
| public static SelectInContext create(Project project, VirtualFile file) { |
| final Document document = FileDocumentManager.getInstance().getDocument(file); |
| if (document == null) return null; |
| final PsiFile psiFile = PsiDocumentManager.getInstance(project).getPsiFile(document); |
| if (psiFile == null) return null; |
| return new OpenFileDescriptorContext(psiFile); |
| } |
| } |
| |
| private static class SimpleSelectInContext extends SelectInContextImpl { |
| private final Object mySelector; |
| |
| public SimpleSelectInContext(PsiFile psiFile, Object selector) { |
| super(psiFile); |
| mySelector = selector; |
| } |
| |
| @Override |
| public Object getSelectorInFile() { |
| return mySelector; |
| } |
| |
| @Override |
| public FileEditorProvider getFileEditorProvider() { |
| return new FileEditorProvider() { |
| @Override |
| public FileEditor openFileEditor() { |
| final VirtualFile file = myPsiFile.getVirtualFile(); |
| if (file == null) { |
| return null; |
| } |
| return ArrayUtil.getFirstElement(FileEditorManager.getInstance(getProject()).openFile(file, false)); |
| } |
| }; |
| } |
| } |
| |
| private static class VirtualFileSelectInContext implements SelectInContext { |
| private final Project myProject; |
| private final VirtualFile myVirtualFile; |
| |
| public VirtualFileSelectInContext(final Project project, final VirtualFile virtualFile) { |
| myProject = project; |
| myVirtualFile = virtualFile; |
| } |
| |
| @Override |
| @NotNull |
| public Project getProject() { |
| return myProject; |
| } |
| |
| @Override |
| @NotNull |
| public VirtualFile getVirtualFile() { |
| return myVirtualFile; |
| } |
| |
| @Override |
| @Nullable |
| public Object getSelectorInFile() { |
| return myVirtualFile; |
| } |
| |
| @Override |
| @Nullable |
| public FileEditorProvider getFileEditorProvider() { |
| return null; |
| } |
| } |
| } |
| |