| /* |
| * Copyright 2000-2013 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.lang.folding; |
| |
| import com.intellij.lang.ASTNode; |
| import com.intellij.openapi.editor.Document; |
| import com.intellij.openapi.project.DumbAware; |
| import com.intellij.openapi.util.Key; |
| import com.intellij.openapi.util.TextRange; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.util.containers.ContainerUtil; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Set; |
| |
| /** |
| * Used by LanguageFolding class if more than one FoldingBuilder were specified |
| * for a particular language. |
| * |
| * @author Konstantin Bulenkov |
| * @see com.intellij.lang.folding.LanguageFolding |
| * @since 9.0 |
| */ |
| public class CompositeFoldingBuilder extends FoldingBuilderEx implements DumbAware { |
| public static final Key<FoldingBuilder> FOLDING_BUILDER = new Key<FoldingBuilder>("FOLDING_BUILDER"); |
| private final List<FoldingBuilder> myBuilders; |
| |
| CompositeFoldingBuilder(List<FoldingBuilder> builders) { |
| myBuilders = builders; |
| } |
| |
| @NotNull |
| public List<FoldingBuilder> getAllBuilders() { |
| return Collections.unmodifiableList(myBuilders); |
| } |
| |
| @NotNull |
| public FoldingDescriptor[] buildFoldRegions(@NotNull PsiElement root, @NotNull Document document, boolean quick) { |
| final List<FoldingDescriptor> descriptors = new ArrayList<FoldingDescriptor>(); |
| final Set<TextRange> rangesCoveredByDescriptors = ContainerUtil.newHashSet(); |
| |
| for (FoldingBuilder builder : myBuilders) { |
| for (FoldingDescriptor descriptor : LanguageFolding.buildFoldingDescriptors(builder, root, document, quick)) { |
| if (rangesCoveredByDescriptors.add(descriptor.getRange())) { |
| descriptor.getElement().putUserData(FOLDING_BUILDER, builder); |
| descriptors.add(descriptor); |
| } |
| } |
| } |
| |
| return descriptors.toArray(new FoldingDescriptor[descriptors.size()]); |
| } |
| |
| @Override |
| public String getPlaceholderText(@NotNull ASTNode node, @NotNull TextRange range) { |
| final FoldingBuilder builder = node.getUserData(FOLDING_BUILDER); |
| return builder == null ? node.getText() : builder instanceof FoldingBuilderEx |
| ? ((FoldingBuilderEx)builder).getPlaceholderText(node, range) : builder.getPlaceholderText(node); |
| } |
| |
| @Override |
| public String getPlaceholderText(@NotNull ASTNode node) { |
| final FoldingBuilder builder = node.getUserData(FOLDING_BUILDER); |
| return builder == null ? node.getText() : builder.getPlaceholderText(node); |
| } |
| |
| public boolean isCollapsedByDefault(@NotNull ASTNode node) { |
| final FoldingBuilder builder = node.getUserData(FOLDING_BUILDER); |
| return builder != null && builder.isCollapsedByDefault(node); |
| } |
| |
| @Override |
| public String toString() { |
| return getClass().getSimpleName() + myBuilders; |
| } |
| } |