/*
* Copyright 2000-2016 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.template.impl.editorActions;
import com.intellij.codeInsight.CodeInsightBundle;
import com.intellij.codeInsight.lookup.LookupManager;
import com.intellij.codeInsight.lookup.impl.LookupImpl;
import com.intellij.codeInsight.template.impl.TemplateManagerImpl;
import com.intellij.codeInsight.template.impl.TemplateState;
import com.intellij.openapi.actionSystem.DataContext;
import com.intellij.openapi.command.CommandProcessor;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.editor.SelectionModel;
import com.intellij.openapi.editor.actionSystem.EditorActionHandler;
public class EscapeHandler extends EditorActionHandler {
private final EditorActionHandler myOriginalHandler;
public EscapeHandler(EditorActionHandler originalHandler) {
myOriginalHandler = originalHandler;
}
@Override
public void execute(Editor editor, DataContext dataContext) {
TemplateState templateState = TemplateManagerImpl.getTemplateState(editor);
if (templateState != null && !templateState.isFinished()) {
SelectionModel selectionModel = editor.getSelectionModel();
LookupImpl lookup = (LookupImpl)LookupManager.getActiveLookup(editor);
// the idea behind lookup checking is that if there is a preselected value in lookup
// then user might want just to close lookup but not finish a template.
// E.g. user wants to move to the next template segment by Tab without completion invocation.
// If there is no selected value in completion that user definitely wants to finish template
boolean lookupIsEmpty = lookup == null || lookup.getCurrentItem() == null;
if (!selectionModel.hasSelection() && lookupIsEmpty) {
CommandProcessor.getInstance().setCurrentCommandName(CodeInsightBundle.message("finish.template.command"));
templateState.gotoEnd(true);
return;
}
}
if (myOriginalHandler.isEnabled(editor, dataContext)) {
myOriginalHandler.execute(editor, dataContext);
}
}
@Override
public boolean isEnabled(Editor editor, DataContext dataContext) {
final TemplateState templateState = TemplateManagerImpl.getTemplateState(editor);
if (templateState != null && !templateState.isFinished()) {
return true;
}
return myOriginalHandler.isEnabled(editor, dataContext);
}
}