DartSdkLibraryPresentationProvider.java

package com.jetbrains.lang.dart.sdk;

import com.intellij.openapi.roots.libraries.DummyLibraryProperties;
import com.intellij.openapi.roots.libraries.LibraryKind;
import com.intellij.openapi.roots.libraries.LibraryPresentationProvider;
import com.intellij.openapi.vfs.VirtualFile;
import icons.DartIcons;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

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

public class DartSdkLibraryPresentationProvider extends LibraryPresentationProvider<DummyLibraryProperties> {

  private static final LibraryKind KIND = LibraryKind.create("dart");

  protected DartSdkLibraryPresentationProvider() {
    super(KIND);
  }

  @Nullable
  @Override
  public Icon getIcon(@Nullable DummyLibraryProperties properties) {
    return DartIcons.Dart_16;
  }

  @Nullable
  public DummyLibraryProperties detect(@NotNull final List<VirtualFile> classesRoots) {
    return findDartCoreRoot(classesRoots) == null ? null : DummyLibraryProperties.INSTANCE;
  }

  @Nullable
  public static VirtualFile findDartCoreRoot(@NotNull final List<VirtualFile> classesRoots) {
    for (VirtualFile root : classesRoots) {
      if (root.isInLocalFileSystem() &&
          root.isDirectory() &&
          root.getPath().endsWith("/lib/core") &&
          root.findChild("core.dart") != null) {
        return root;
      }
    }
    return null;
  }
}