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

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

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/*
 * Copyright (C) 2014 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.SdkConstants;
import com.google.common.collect.Iterables;
import com.google.common.collect.Lists;
import com.intellij.ide.projectView.PresentationData;
import com.intellij.ide.projectView.ProjectViewNode;
import com.intellij.ide.projectView.ViewSettings;
import com.intellij.ide.util.treeView.AbstractTreeNode;
import com.intellij.openapi.fileEditor.OpenFileDescriptor;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.ui.Queryable;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.psi.PsiDirectory;
import com.intellij.psi.PsiFile;
import com.intellij.psi.PsiManager;
import com.intellij.ui.SimpleTextAttributes;
import org.jetbrains.android.facet.AndroidFacet;
import org.jetbrains.android.facet.AndroidSourceType;
import org.jetbrains.android.facet.IdeaSourceProvider;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

import javax.swing.*;
import java.util.Collection;
import java.util.List;
import java.util.Set;

public class AndroidManifestsGroupNode extends ProjectViewNode<AndroidFacet> implements DirectoryGroupNode {
    private static final String MANIFESTS_NODE = "manifests";
    @NotNull
    private final Set<VirtualFile> mySources;

    protected AndroidManifestsGroupNode(@NotNull Project project, @NotNull AndroidFacet facet,
            @NotNull ViewSettings viewSettings, @NotNull Set<VirtualFile> sources) {
        super(project, facet, viewSettings);
        mySources = sources;
    }

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

    @NotNull
    @Override
    public Collection<? extends AbstractTreeNode> getChildren() {
        PsiManager psiManager = PsiManager.getInstance(myProject);

        List<AbstractTreeNode> children = Lists.newArrayList();
        for (VirtualFile manifest : mySources) {
            if (!manifest.isValid()) {
                continue;
            }

            PsiFile psiFile = psiManager.findFile(manifest);
            if (psiFile != null) {
                AndroidFacet facet = getValue();
                assert facet != null : "Android Facet for module cannot be null";
                children.add(new AndroidManifestFileNode(myProject, psiFile, getSettings(), facet));
            }
        }
        return children;
    }

    @Override
    protected void update(PresentationData presentation) {
        presentation.addText(MANIFESTS_NODE, SimpleTextAttributes.REGULAR_ATTRIBUTES);
        Icon icon = AndroidSourceType.MANIFEST.getIcon();
        if (icon != null) {
            presentation.setIcon(icon);
        }
        presentation.setPresentableText(MANIFESTS_NODE);
    }

    @Override
    public boolean expandOnDoubleClick() {
        return false;
    }

    @Override
    public boolean canNavigate() {
        return !mySources.isEmpty();
    }

    @Override
    public void navigate(boolean requestFocus) {
        VirtualFile fileToOpen = findFileToOpen(mySources);
        if (fileToOpen == null) {
            return;
        }

        new OpenFileDescriptor(myProject, fileToOpen).navigate(requestFocus);
    }

    @Nullable
    private VirtualFile findFileToOpen(@NotNull Set<VirtualFile> files) {
        VirtualFile bestFile = Iterables.getFirst(files, null);

        PsiManager psiManager = PsiManager.getInstance(myProject);
        for (VirtualFile f : files) {
            PsiFile psiFile = psiManager.findFile(f);
            if (psiFile == null) {
                continue;
            }

            IdeaSourceProvider sourceProvider = AndroidManifestFileNode.getSourceProvider(getValue(), psiFile);
            if (sourceProvider != null && SdkConstants.FD_MAIN.equals(sourceProvider.getName())) {
                bestFile = f;
            }
        }

        return bestFile;
    }

    @NotNull
    @Override
    public PsiDirectory[] getDirectories() {
        return PsiDirectory.EMPTY_ARRAY;
    }

    @Nullable
    @Override
    public Comparable getSortKey() {
        return AndroidSourceType.MANIFEST;
    }

    @Nullable
    @Override
    public Comparable getTypeSortKey() {
        return AndroidSourceType.MANIFEST;
    }

    @Nullable
    @Override
    public String toTestString(@Nullable Queryable.PrintInfo printInfo) {
        return MANIFESTS_NODE;
    }
}