| /* |
| * 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.template; |
| |
| import com.intellij.codeInsight.completion.CompletionParameters; |
| import com.intellij.codeInsight.completion.CompletionResultSet; |
| import com.intellij.codeInsight.template.impl.CustomLiveTemplateLookupElement; |
| import com.intellij.openapi.editor.Editor; |
| import com.intellij.psi.PsiFile; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.util.Collection; |
| import java.util.Collections; |
| |
| abstract public class CustomLiveTemplateBase implements CustomLiveTemplate { |
| /** |
| * Implementation should returns {@code true} if it has own lookup item in completion autopopup |
| * and it is supposed that template should be expanded while completion auto-popup is active. |
| */ |
| public boolean hasCompletionItem(@NotNull PsiFile file, int offset) { |
| return false; |
| } |
| |
| /** |
| * Return lookup elements for popup that appears on ListTemplateAction (Ctrl + J) |
| */ |
| @NotNull |
| public Collection<? extends CustomLiveTemplateLookupElement> getLookupElements(@NotNull PsiFile file, @NotNull Editor editor, int offset) { |
| return Collections.emptyList(); |
| } |
| |
| /** |
| * Populate completion result set. Used by LiveTemplateCompletionContributor |
| */ |
| public void addCompletions(CompletionParameters parameters, CompletionResultSet result) { |
| String prefix = computeTemplateKeyWithoutContextChecking(new CustomTemplateCallback(parameters.getEditor(), parameters.getOriginalFile())); |
| if (prefix != null) { |
| result.withPrefixMatcher(result.getPrefixMatcher().cloneWithPrefix(prefix)).addAllElements( |
| getLookupElements(parameters.getOriginalFile(), parameters.getEditor(), parameters.getOffset())); |
| } |
| } |
| |
| @Nullable |
| public String computeTemplateKeyWithoutContextChecking(@NotNull CustomTemplateCallback callback) { |
| return computeTemplateKey(callback); |
| } |
| |
| public boolean supportsMultiCaret() { |
| return true; |
| } |
| } |