| /* |
| * Copyright 2000-2012 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.refactoring.rename.inplace; |
| |
| import com.intellij.codeInsight.completion.InsertHandler; |
| import com.intellij.codeInsight.completion.InsertionContext; |
| import com.intellij.codeInsight.lookup.LookupElement; |
| import com.intellij.codeInsight.lookup.LookupElementBuilder; |
| import com.intellij.codeInsight.template.Expression; |
| import com.intellij.codeInsight.template.ExpressionContext; |
| import com.intellij.codeInsight.template.Result; |
| import com.intellij.codeInsight.template.TextResult; |
| import com.intellij.codeInsight.template.impl.TemplateManagerImpl; |
| import com.intellij.codeInsight.template.impl.TemplateState; |
| import com.intellij.openapi.editor.Editor; |
| import com.intellij.openapi.extensions.Extensions; |
| import com.intellij.openapi.util.TextRange; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiNamedElement; |
| import com.intellij.psi.codeStyle.SuggestedNameInfo; |
| import com.intellij.psi.impl.source.tree.injected.InjectedLanguageUtil; |
| import com.intellij.refactoring.rename.NameSuggestionProvider; |
| import com.intellij.refactoring.rename.PreferrableNameSuggestionProvider; |
| |
| import java.util.Iterator; |
| import java.util.LinkedHashSet; |
| |
| /** |
| * User: anna |
| * Date: 3/16/12 |
| */ |
| public class MyLookupExpression extends Expression { |
| protected final String myName; |
| protected final LookupElement[] myLookupItems; |
| private final String myAdvertisementText; |
| |
| public MyLookupExpression(final String name, |
| final LinkedHashSet<String> names, |
| PsiNamedElement elementToRename, |
| final PsiElement nameSuggestionContext, |
| final boolean shouldSelectAll, |
| final String advertisement) { |
| myName = name; |
| myAdvertisementText = advertisement; |
| myLookupItems = initLookupItems(names, elementToRename, nameSuggestionContext, shouldSelectAll); |
| } |
| |
| private static LookupElement[] initLookupItems(LinkedHashSet<String> names, |
| PsiNamedElement elementToRename, |
| PsiElement nameSuggestionContext, |
| final boolean shouldSelectAll) { |
| if (names == null) { |
| names = new LinkedHashSet<String>(); |
| for (NameSuggestionProvider provider : Extensions.getExtensions(NameSuggestionProvider.EP_NAME)) { |
| final SuggestedNameInfo suggestedNameInfo = provider.getSuggestedNames(elementToRename, nameSuggestionContext, names); |
| if (suggestedNameInfo != null && |
| provider instanceof PreferrableNameSuggestionProvider && |
| !((PreferrableNameSuggestionProvider)provider).shouldCheckOthers()) { |
| break; |
| } |
| } |
| } |
| final LookupElement[] lookupElements = new LookupElement[names.size()]; |
| final Iterator<String> iterator = names.iterator(); |
| for (int i = 0; i < lookupElements.length; i++) { |
| final String suggestion = iterator.next(); |
| lookupElements[i] = LookupElementBuilder.create(suggestion).withInsertHandler(new InsertHandler<LookupElement>() { |
| @Override |
| public void handleInsert(InsertionContext context, LookupElement item) { |
| if (shouldSelectAll) return; |
| final Editor topLevelEditor = InjectedLanguageUtil.getTopLevelEditor(context.getEditor()); |
| final TemplateState templateState = TemplateManagerImpl.getTemplateState(topLevelEditor); |
| if (templateState != null) { |
| final TextRange range = templateState.getCurrentVariableRange(); |
| if (range != null) { |
| topLevelEditor.getDocument().replaceString(range.getStartOffset(), range.getEndOffset(), suggestion); |
| } |
| } |
| } |
| }); |
| } |
| return lookupElements; |
| } |
| |
| @Override |
| public LookupElement[] calculateLookupItems(ExpressionContext context) { |
| return myLookupItems; |
| } |
| |
| @Override |
| public Result calculateQuickResult(ExpressionContext context) { |
| return calculateResult(context); |
| } |
| |
| @Override |
| public Result calculateResult(ExpressionContext context) { |
| TemplateState templateState = TemplateManagerImpl.getTemplateState(context.getEditor()); |
| final TextResult insertedValue = templateState != null ? templateState.getVariableValue(InplaceRefactoring.PRIMARY_VARIABLE_NAME) : null; |
| if (insertedValue != null) { |
| if (!insertedValue.getText().isEmpty()) return insertedValue; |
| } |
| return new TextResult(myName); |
| } |
| |
| @Override |
| public String getAdvertisingText() { |
| return myAdvertisementText; |
| } |
| } |