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/*
* Copyright 2000-2014 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.editorActions.smartEnter;
import com.intellij.codeInsight.actions.BaseCodeInsightAction;
import com.intellij.codeInsight.editorActions.enter.EnterAfterUnmatchedBraceHandler;
import com.intellij.codeInsight.lookup.LookupManager;
import com.intellij.lang.Language;
import com.intellij.openapi.actionSystem.CommonDataKeys;
import com.intellij.openapi.actionSystem.DataContext;
import com.intellij.openapi.actionSystem.IdeActions;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.editor.actionSystem.EditorAction;
import com.intellij.openapi.editor.actionSystem.EditorActionHandler;
import com.intellij.openapi.editor.actionSystem.EditorActionManager;
import com.intellij.openapi.editor.actionSystem.EditorWriteActionHandler;
import com.intellij.openapi.project.Project;
import com.intellij.psi.PsiFile;
import com.intellij.psi.util.PsiUtilBase;
import org.jetbrains.annotations.NotNull;
import java.util.List;
/**
* @author max
*/
public class SmartEnterAction extends EditorAction {
public SmartEnterAction() {
super(new Handler());
}
@Override
protected Editor getEditor(@NotNull final DataContext dataContext) {
final Editor editor = CommonDataKeys.EDITOR.getData(dataContext);
if (editor == null) return null;
Project project = editor.getProject();
if (project == null) project = CommonDataKeys.PROJECT.getData(dataContext);
return project == null ? null : BaseCodeInsightAction.getInjectedEditor(project, editor);
}
private static class Handler extends EditorWriteActionHandler {
public Handler() {
super(true);
}
@Override
public boolean isEnabled(Editor editor, DataContext dataContext) {
return getEnterHandler().isEnabled(editor, dataContext);
}
@Override
public void executeWriteAction(Editor editor, DataContext dataContext) {
Project project = CommonDataKeys.PROJECT.getData(dataContext);
if (project == null || editor.isOneLineMode()) {
plainEnter(editor, dataContext);
return;
}
LookupManager.getInstance(project).hideActiveLookup();
final int caretOffset = editor.getCaretModel().getOffset();
PsiFile psiFile = PsiUtilBase.getPsiFileInEditor(editor, project);
if (psiFile == null) {
plainEnter(editor, dataContext);
return;
}
if (EnterAfterUnmatchedBraceHandler.isAfterUnmatchedLBrace(editor, caretOffset, psiFile.getFileType())) {
EditorActionHandler enterHandler = EditorActionManager.getInstance().getActionHandler(IdeActions.ACTION_EDITOR_ENTER);
enterHandler.execute(editor, dataContext);
return;
}
final Language language = PsiUtilBase.getLanguageInEditor(editor, project);
boolean processed = false;
if (language != null) {
final List<SmartEnterProcessor> processors = SmartEnterProcessors.INSTANCE.allForLanguage(language);
if (!processors.isEmpty()) {
for (SmartEnterProcessor processor : processors) {
if (processor.process(project, editor, psiFile)) {
processed = true;
break;
}
}
}
}
if (!processed) {
plainEnter(editor, dataContext);
}
}
}
public static void plainEnter(Editor editor, DataContext dataContext) {
getEnterHandler().execute(editor, dataContext);
}
private static EditorActionHandler getEnterHandler() {
return EditorActionManager.getInstance().getActionHandler(IdeActions.ACTION_EDITOR_START_NEW_LINE);
}
}
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