/*
* Copyright 2000-2016 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.execution.dashboard.tree;
import com.intellij.execution.dashboard.DashboardGroup;
import com.intellij.execution.dashboard.DashboardGroupingRule;
import com.intellij.execution.dashboard.RunDashboardManager;
import com.intellij.ide.projectView.PresentationData;
import com.intellij.ide.projectView.TreeStructureProvider;
import com.intellij.ide.util.treeView.AbstractTreeNode;
import com.intellij.ide.util.treeView.AbstractTreeStructureBase;
import com.intellij.openapi.project.Project;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.*;
import java.util.stream.Collectors;
/**
* @author konstantin.aleev
*/
public class RunDashboardTreeStructure extends AbstractTreeStructureBase {
private final Project myProject;
private final List<DashboardGrouper> myGroupers;
private final RunConfigurationsTreeRootNode myRootElement;
public RunDashboardTreeStructure(@NotNull Project project, @NotNull List<DashboardGrouper> groupers) {
super(project);
myProject = project;
myGroupers = groupers;
myRootElement = new RunConfigurationsTreeRootNode();
}
@Nullable
@Override
public List<TreeStructureProvider> getProviders() {
return Collections.emptyList();
}
@Override
public Object getRootElement() {
return myRootElement;
}
@Override
public void commit() {
}
@Override
public boolean hasSomethingToCommit() {
return false;
}
public class RunConfigurationsTreeRootNode extends AbstractTreeNode<Object> {
public RunConfigurationsTreeRootNode() {
super(RunDashboardTreeStructure.this.myProject, new Object());
}
@NotNull
@Override
public Collection<? extends AbstractTreeNode> getChildren() {
List<RunConfigurationNode> nodes = RunDashboardManager.getInstance(myProject).getRunConfigurations().stream()
.map(value -> new RunConfigurationNode(myProject, value)).collect(Collectors.toList());
return group(myProject,
this,
myGroupers.stream().filter(DashboardGrouper::isEnabled).map(DashboardGrouper::getRule).collect(Collectors.toList()),
nodes);
}
@Override
protected void update(PresentationData presentation) {
}
}
private static Collection<? extends AbstractTreeNode> group(final Project project, final AbstractTreeNode parent,
List<DashboardGroupingRule> rules, List<RunConfigurationNode> nodes) {
if (rules.isEmpty()) {
return nodes;
}
final List<DashboardGroupingRule> remaining = new ArrayList<>(rules);
DashboardGroupingRule rule = remaining.remove(0);
Map<DashboardGroup, List<RunConfigurationNode>> groups = nodes.stream().collect(
HashMap::new,
(map, node) -> map.computeIfAbsent(rule.getGroup(node), key -> new ArrayList<>()).add(node),
(firstMap, secondMap) -> firstMap.forEach((key, value) -> value.addAll(secondMap.get(key)))
);
final List<AbstractTreeNode> result = new ArrayList<>();
final List<AbstractTreeNode> ungroupedNodes = new ArrayList<>();
groups.forEach((group, groupedNodes) -> {
if (group == null || (!rule.shouldGroupSingleNodes() && groupedNodes.size() == 1)) {
ungroupedNodes.addAll(group(project, parent, remaining, groupedNodes));
} else {
GroupingNode node = new GroupingNode(project, parent.getValue(), group);
node.addChildren(group(project, node, remaining, groupedNodes));
result.add(node);
}
});
if (rule instanceof RunConfigurationDashboardGroupingRule) {
// Groupings by run configuration should be mixed with ungrouped nodes.
// Original order given from run configuration editor should be restored.
result.addAll(ungroupedNodes);
Collections.sort(result, new Comparator<AbstractTreeNode>() {
@Override
public int compare(AbstractTreeNode n1, AbstractTreeNode n2) {
RunConfigurationNode first = getNode(n1);
RunConfigurationNode second = getNode(n2);
return nodes.indexOf(first) - nodes.indexOf(second);
}
private RunConfigurationNode getNode(AbstractTreeNode node) {
Object runConfigurationNode;
if (node instanceof GroupingNode) {
Optional child = node.getChildren().stream().findFirst();
assert child.isPresent();
runConfigurationNode = child.get();
} else {
runConfigurationNode = node;
}
assert runConfigurationNode instanceof RunConfigurationNode;
return (RunConfigurationNode)runConfigurationNode;
}
});
} else {
Collections.sort(result, Comparator.comparing(node -> ((GroupingNode)node).getGroup().getName()));
result.addAll(ungroupedNodes);
}
return result;
}
}