/*
* Copyright 2000-2011 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.openapi.vcs;
import com.intellij.codeInsight.completion.CompletionContributor;
import com.intellij.codeInsight.completion.CompletionParameters;
import com.intellij.codeInsight.completion.CompletionResultSet;
import com.intellij.codeInsight.completion.impl.CamelHumpMatcher;
import com.intellij.codeInsight.lookup.LookupElementBuilder;
import com.intellij.ide.presentation.VirtualFilePresentation;
import com.intellij.openapi.actionSystem.DataContext;
import com.intellij.openapi.editor.Document;
import com.intellij.openapi.vcs.changes.Change;
import com.intellij.openapi.vcs.changes.ChangeList;
import com.intellij.openapi.vcs.ui.CommitMessage;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.psi.PsiDocumentManager;
import com.intellij.psi.PsiFile;
import com.intellij.ui.TextFieldWithAutoCompletionListProvider;import consulo.annotations.RequiredReadAction;
/**
* @author Dmitry Avdeev
*/
public class CommitCompletionContributor extends CompletionContributor {
@RequiredReadAction
@Override
public void fillCompletionVariants(CompletionParameters parameters, CompletionResultSet result) {
PsiFile file = parameters.getOriginalFile();
Document document = PsiDocumentManager.getInstance(file.getProject()).getDocument(file);
if (document != null) {
DataContext dataContext = document.getUserData(CommitMessage.DATA_CONTEXT_KEY);
if (dataContext != null) {
result.stopHere();
if (parameters.getInvocationCount() > 0) {
ChangeList[] lists = VcsDataKeys.CHANGE_LISTS.getData(dataContext);
if (lists != null) {
String prefix = TextFieldWithAutoCompletionListProvider.getCompletionPrefix(parameters);
CompletionResultSet insensitive = result.caseInsensitive().withPrefixMatcher(new CamelHumpMatcher(prefix));
for (ChangeList list : lists) {
for (Change change : list.getChanges()) {
VirtualFile virtualFile = change.getVirtualFile();
if (virtualFile != null) {
LookupElementBuilder element = LookupElementBuilder.create(virtualFile.getName()).
withIcon(VirtualFilePresentation.getIcon(virtualFile));
insensitive.addElement(element);
}
}
}
}
}
}
}
}
}