| /* |
| * 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.openapi.actionSystem.*; |
| import com.intellij.openapi.command.CommandProcessor; |
| import com.intellij.openapi.editor.Editor; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.wm.ToolWindowManager; |
| import com.intellij.psi.PsiDirectory; |
| import com.intellij.psi.PsiDocumentManager; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiFile; |
| import com.intellij.refactoring.copy.CopyHandler; |
| |
| public class CopyElementAction extends AnAction { |
| @Override |
| public void actionPerformed(AnActionEvent e) { |
| final DataContext dataContext = e.getDataContext(); |
| final Project project = CommonDataKeys.PROJECT.getData(dataContext); |
| if (project == null) { |
| return; |
| } |
| |
| CommandProcessor.getInstance().executeCommand(project, new Runnable() { |
| @Override |
| public void run() { |
| PsiDocumentManager.getInstance(project).commitAllDocuments(); |
| }}, "", null |
| ); |
| final Editor editor = CommonDataKeys.EDITOR.getData(dataContext); |
| PsiElement[] elements; |
| |
| PsiDirectory defaultTargetDirectory; |
| if (editor != null) { |
| PsiElement aElement = getTargetElement(editor, project); |
| PsiFile file = PsiDocumentManager.getInstance(project).getPsiFile(editor.getDocument()); |
| if (file == null) return; |
| elements = new PsiElement[]{aElement}; |
| if (aElement == null || !CopyHandler.canCopy(elements)) { |
| elements = new PsiElement[]{file}; |
| } |
| defaultTargetDirectory = file.getContainingDirectory(); |
| } else { |
| PsiElement element = LangDataKeys.TARGET_PSI_ELEMENT.getData(dataContext); |
| defaultTargetDirectory = element instanceof PsiDirectory ? (PsiDirectory)element : null; |
| elements = LangDataKeys.PSI_ELEMENT_ARRAY.getData(dataContext); |
| } |
| doCopy(elements, defaultTargetDirectory); |
| } |
| |
| protected void doCopy(PsiElement[] elements, PsiDirectory defaultTargetDirectory) { |
| CopyHandler.doCopy(elements, defaultTargetDirectory); |
| } |
| |
| @Override |
| public void update(AnActionEvent event){ |
| Presentation presentation = event.getPresentation(); |
| DataContext dataContext = event.getDataContext(); |
| Project project = CommonDataKeys.PROJECT.getData(dataContext); |
| presentation.setEnabled(false); |
| if (project == null) { |
| return; |
| } |
| |
| Editor editor = CommonDataKeys.EDITOR.getData(dataContext); |
| if (editor != null) { |
| updateForEditor(dataContext, presentation); |
| } |
| else { |
| String id = ToolWindowManager.getInstance(project).getActiveToolWindowId(); |
| updateForToolWindow(id, dataContext, presentation); |
| } |
| } |
| |
| protected void updateForEditor(DataContext dataContext, Presentation presentation) { |
| Editor editor = CommonDataKeys.EDITOR.getData(dataContext); |
| if (editor == null) { |
| presentation.setVisible(false); |
| return; |
| } |
| |
| Project project = CommonDataKeys.PROJECT.getData(dataContext); |
| if (project == null) { |
| return; |
| |
| } |
| PsiFile file = PsiDocumentManager.getInstance(project).getPsiFile(editor.getDocument()); |
| |
| PsiElement element = getTargetElement(editor, project); |
| boolean result = element != null && CopyHandler.canCopy(new PsiElement[]{element}); |
| |
| if (!result && file != null) { |
| result = CopyHandler.canCopy(new PsiElement[]{file}); |
| } |
| |
| presentation.setEnabled(result); |
| presentation.setVisible(true); |
| } |
| |
| protected void updateForToolWindow(String toolWindowId, DataContext dataContext,Presentation presentation) { |
| PsiElement[] elements = LangDataKeys.PSI_ELEMENT_ARRAY.getData(dataContext); |
| presentation.setEnabled(elements != null && CopyHandler.canCopy(elements)); |
| } |
| |
| private static PsiElement getTargetElement(final Editor editor, final Project project) { |
| int offset = editor.getCaretModel().getOffset(); |
| PsiFile file = PsiDocumentManager.getInstance(project).getPsiFile(editor.getDocument()); |
| if (file == null) return null; |
| PsiElement element = file.findElementAt(offset); |
| if (element == null) element = file; |
| return element; |
| } |
| } |