/*
* Copyright 2000-2007 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.codeInsight.actions;
import com.intellij.codeInsight.CodeInsightActionHandler;
import com.intellij.openapi.actionSystem.*;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.command.CommandProcessor;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.project.Project;
import com.intellij.psi.PsiDocumentManager;
import com.intellij.psi.PsiFile;
import org.jetbrains.annotations.Nullable;
/**
* @author Dmitry Avdeev
*/
public abstract class CodeInsightAction extends AnAction {
public void actionPerformed(AnActionEvent e) {
DataContext dataContext = e.getDataContext();
Project project = DataKeys.PROJECT.getData(dataContext);
Editor editor = getEditor(dataContext, project);
actionPerformedImpl(project, editor);
}
@Nullable
protected Editor getEditor(final DataContext dataContext, final Project project) {
return DataKeys.EDITOR.getData(dataContext);
}
public void actionPerformedImpl(final Project project, final Editor editor) {
if (editor == null) return;
final PsiFile psiFile = PsiDocumentManager.getInstance(project).getPsiFile(editor.getDocument());
if (psiFile == null) return;
CommandProcessor.getInstance().executeCommand(project, new Runnable() {
public void run() {
final CodeInsightActionHandler handler = getHandler();
final Runnable action = new Runnable() {
public void run() {
if (!ApplicationManager.getApplication().isUnitTestMode() && !editor.getContentComponent().isShowing()) return;
handler.invoke(project, editor, psiFile);
}
};
if (handler.startInWriteAction()) {
ApplicationManager.getApplication().runWriteAction(action);
}
else {
action.run();
}
}
}, getCommandName(), editor.getDocument());
}
public void update(AnActionEvent event) {
Presentation presentation = event.getPresentation();
DataContext dataContext = event.getDataContext();
Project project = DataKeys.PROJECT.getData(dataContext);
if (project == null) {
presentation.setEnabled(false);
return;
}
Editor editor = getEditor(dataContext, project);
if (editor == null) {
presentation.setEnabled(false);
return;
}
PsiFile file = PsiDocumentManager.getInstance(project).getPsiFile(editor.getDocument());
if (file == null || !isValidForFile(project, editor, file)) {
presentation.setEnabled(false);
}
else {
presentation.setEnabled(isEnabledForFile(project, editor, file));
}
}
protected boolean isValidForFile(Project project, Editor editor, final PsiFile file) {
return true;
}
protected boolean isEnabledForFile(Project project, Editor editor, final PsiFile file) {
return true;
}
protected abstract CodeInsightActionHandler getHandler();
protected String getCommandName() {
String text = getTemplatePresentation().getText();
return text != null ? text : "";
}
}