/*
* Copyright 2000-2007 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.usages.impl;
import com.intellij.usages.Usage;
import com.intellij.usages.UsageGroup;
import com.intellij.usages.rules.UsageFilteringRule;
import com.intellij.usages.rules.UsageGroupingRule;
import org.jetbrains.annotations.NotNull;
/**
* @author max
*/
class UsageNodeTreeBuilder {
private GroupNode myRoot;
private UsageGroupingRule[] myGroupingRules;
private UsageFilteringRule[] myFilteringRules;
public UsageNodeTreeBuilder(@NotNull UsageGroupingRule[] groupingRules, @NotNull UsageFilteringRule[] filteringRules, @NotNull GroupNode root) {
myGroupingRules = groupingRules;
myFilteringRules = filteringRules;
myRoot = root;
}
public void setGroupingRules(@NotNull UsageGroupingRule[] rules) {
myGroupingRules = rules;
}
public void setFilteringRules(@NotNull UsageFilteringRule[] rules) {
myFilteringRules = rules;
}
synchronized UsageNode appendUsage(Usage usage) {
for (final UsageFilteringRule rule : myFilteringRules) {
if (!rule.isVisible(usage)) {
return null;
}
}
GroupNode lastGroupNode = myRoot;
for (int i = 0; i < myGroupingRules.length; i++) {
final UsageGroupingRule rule = myGroupingRules[i];
final UsageGroup group = rule.groupUsage(usage);
if (group != null) {
lastGroupNode = lastGroupNode.addGroup(group, i);
}
}
return lastGroupNode.addUsage(usage);
}
}