/*
* Copyright 2000-2013 JetBrains s.r.o.
* Copyright 2014-2014 AS3Boyan
* Copyright 2014-2014 Elias Ku
*
* 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.plugins.haxe.ide.folding;
import com.intellij.lang.ASTNode;
import com.intellij.lang.folding.FoldingBuilder;
import com.intellij.lang.folding.FoldingDescriptor;
import com.intellij.openapi.editor.Document;
import com.intellij.openapi.util.TextRange;
import com.intellij.plugins.haxe.lang.lexer.HaxeTokenTypes;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.ArrayList;
import java.util.List;
public class HaxeFoldingBuilder implements FoldingBuilder {
@NotNull
@Override
public FoldingDescriptor[] buildFoldRegions(@NotNull ASTNode node, @NotNull Document document) {
List<FoldingDescriptor> list = new ArrayList<FoldingDescriptor>();
buildFolding(node, list);
FoldingDescriptor[] descriptors = new FoldingDescriptor[list.size()];
return list.toArray(descriptors);
}
private static void buildFolding(ASTNode node, List<FoldingDescriptor> list) {
if (node.getElementType() == HaxeTokenTypes.BLOCK_STATEMENT) {
final TextRange range = node.getTextRange();
list.add(new FoldingDescriptor(node, range));
}
for (ASTNode child : node.getChildren(null)) {
buildFolding(child, list);
}
}
@Nullable
@Override
public String getPlaceholderText(@NotNull ASTNode node) {
return "{...}";
}
@Override
public boolean isCollapsedByDefault(@NotNull ASTNode node) {
return false;
}
}