com.intellij.ide.favoritesTreeView.FileGroupingProjectNode.java Source code

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Here is the source code for com.intellij.ide.favoritesTreeView.FileGroupingProjectNode.java

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/*
 * Copyright 2000-2012 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.ide.favoritesTreeView;

import com.intellij.icons.AllIcons;
import com.intellij.ide.projectView.PresentationData;
import com.intellij.ide.projectView.ViewSettings;
import com.intellij.openapi.fileEditor.OpenFileDescriptor;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.vfs.LocalFileSystem;
import com.intellij.openapi.vfs.VirtualFile;
import org.jetbrains.annotations.NotNull;

import java.io.File;

/**
 * Created with IntelliJ IDEA.
 * User: Irina.Chernushina
 * Date: 6/8/12
 * Time: 12:23 PM
 */
public class FileGroupingProjectNode extends ProjectViewNodeWithChildrenList<File> {
    private VirtualFile myVirtualFile;

    public FileGroupingProjectNode(Project project, File file, ViewSettings viewSettings) {
        super(project, file, viewSettings);
        final LocalFileSystem lfs = LocalFileSystem.getInstance();
        myVirtualFile = lfs.findFileByIoFile(file);
        if (myVirtualFile == null) {
            myVirtualFile = lfs.refreshAndFindFileByIoFile(file);
        }
    }

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

    @Override
    protected void update(PresentationData presentation) {
        if (myVirtualFile != null && myVirtualFile.isDirectory()) {
            presentation.setIcon(AllIcons.Nodes.TreeClosed);
        } else if (myVirtualFile != null) {
            presentation.setIcon(myVirtualFile.getFileType().getIcon());
        } else {
            presentation.setIcon(AllIcons.FileTypes.Unknown);
        }
        presentation.setPresentableText(getValue().getName());
    }

    @Override
    public VirtualFile getVirtualFile() {
        return myVirtualFile;
    }

    @Override
    public void navigate(boolean requestFocus) {
        if (myVirtualFile != null) {
            new OpenFileDescriptor(myProject, myVirtualFile).navigate(requestFocus);
        }
    }

    // todo possibly we need file
    @Override
    public boolean canNavigate() {
        return myVirtualFile != null && myVirtualFile.isValid();
    }

    @Override
    public boolean canNavigateToSource() {
        return myVirtualFile != null && myVirtualFile.isValid();
    }
}