com.android.tools.idea.navigator.nodes.ExternalBuildFilesGroupNode.java Source code

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Here is the source code for com.android.tools.idea.navigator.nodes.ExternalBuildFilesGroupNode.java

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/*
 * Copyright (C) 2016 The Android Open Source Project
 *
 * 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.android.tools.idea.navigator.nodes;

import com.android.tools.idea.gradle.project.model.NdkModuleModel;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import com.intellij.icons.AllIcons;
import com.intellij.ide.projectView.PresentationData;
import com.intellij.ide.projectView.ProjectViewNode;
import com.intellij.ide.projectView.ViewSettings;
import com.intellij.ide.projectView.impl.nodes.PsiFileNode;
import com.intellij.ide.util.treeView.AbstractTreeNode;
import com.intellij.openapi.module.Module;
import com.intellij.openapi.module.ModuleManager;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.ui.Queryable;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.psi.PsiFile;
import com.intellij.psi.PsiManager;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

import java.io.File;
import java.util.Collection;
import java.util.List;
import java.util.Map;

import static com.intellij.openapi.vfs.VfsUtil.findFileByIoFile;

public class ExternalBuildFilesGroupNode extends ProjectViewNode<Project> {
    public ExternalBuildFilesGroupNode(@NotNull Project project, @NotNull ViewSettings viewSettings) {
        super(project, project, viewSettings);
    }

    @Override
    public boolean contains(@NotNull VirtualFile file) {
        return getBuildFilesWithModuleNames().containsKey(file);
    }

    @NotNull
    @Override
    public Collection<? extends AbstractTreeNode> getChildren() {
        Map<VirtualFile, String> buildFiles = getBuildFilesWithModuleNames();
        List<PsiFileNode> children = Lists.newArrayListWithExpectedSize(buildFiles.size());

        for (Map.Entry<VirtualFile, String> buildFileWithModuleName : buildFiles.entrySet()) {
            addPsiFile(children, buildFileWithModuleName.getKey(), buildFileWithModuleName.getValue());
        }

        return children;
    }

    @NotNull
    private Map<VirtualFile, String> getBuildFilesWithModuleNames() {
        Map<VirtualFile, String> buildFiles = Maps.newHashMap();

        for (Module module : ModuleManager.getInstance(myProject).getModules()) {
            NdkModuleModel ndkModuleModel = NdkModuleModel.get(module);
            if (ndkModuleModel == null) {
                continue;
            }
            for (File file : ndkModuleModel.getAndroidProject().getBuildFiles()) {
                VirtualFile virtualFile = findFileByIoFile(file, false);
                if (virtualFile != null) {
                    buildFiles.put(virtualFile, module.getName());
                }
            }
        }
        return buildFiles;
    }

    private void addPsiFile(@NotNull List<PsiFileNode> psiFileNodes, @NotNull VirtualFile file,
            @NotNull String moduleName) {
        PsiFile psiFile = PsiManager.getInstance(myProject).findFile(file);
        if (psiFile != null) {
            psiFileNodes.add(new ExternalBuildFileNode(myProject, psiFile, getSettings(), moduleName));
        }
    }

    @Override
    public int getWeight() {
        return 200; // External Build Files node at the end after all the modules and Gradle Scripts node.
    }

    @Override
    protected void update(PresentationData presentation) {
        presentation.setPresentableText("External Build Files");
        presentation.setIcon(AllIcons.General.ExternalToolsSmall);
    }

    @Nullable
    @Override
    public String toTestString(@Nullable Queryable.PrintInfo printInfo) {
        return "External Build Files";
    }

    @Override
    public boolean equals(Object o) {
        if (o == null || getClass() != o.getClass())
            return false;
        return super.equals(o);
    }
}