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/*
* 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;
}
}
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