AnalyzeDependenciesOnSpecifiedTargetHandler.java

/*
 * 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.packageDependencies.actions;

import com.intellij.analysis.AnalysisScope;
import com.intellij.analysis.AnalysisScopeBundle;
import com.intellij.notification.NotificationGroup;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.ui.MessageType;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.openapi.wm.ToolWindowId;
import com.intellij.packageDependencies.BackwardDependenciesBuilder;
import com.intellij.packageDependencies.DependenciesBuilder;
import com.intellij.packageDependencies.DependencyVisitorFactory;
import com.intellij.psi.PsiFile;
import com.intellij.psi.search.GlobalSearchScope;
import com.intellij.util.containers.HashSet;
import org.jetbrains.annotations.NotNull;

import java.util.Collections;
import java.util.List;
import java.util.Set;

/**
 * @author nik
 */
public class AnalyzeDependenciesOnSpecifiedTargetHandler extends DependenciesHandlerBase {
  private static final NotificationGroup NOTIFICATION_GROUP =
    NotificationGroup.toolWindowGroup("Dependencies", ToolWindowId.DEPENDENCIES);
  private final GlobalSearchScope myTargetScope;

  public AnalyzeDependenciesOnSpecifiedTargetHandler(@NotNull Project project, @NotNull AnalysisScope scope, @NotNull GlobalSearchScope targetScope) {
    super(project, Collections.singletonList(scope), new HashSet<>());
    myTargetScope = targetScope;
  }

  @Override
  protected String getProgressTitle() {
    return AnalysisScopeBundle.message("package.dependencies.progress.title");
  }

  @Override
  protected String getPanelDisplayName(AnalysisScope scope) {
    return AnalysisScopeBundle.message("package.dependencies.on.toolwindow.title", scope.getDisplayName(), myTargetScope.getDisplayName());
  }

  @Override
  protected String getPanelDisplayName(List<DependenciesBuilder> builders) {
    return getPanelDisplayName(getForwardScope(builders));
  }

  private static AnalysisScope getForwardScope(List<DependenciesBuilder> builders) {
    final DependenciesBuilder builder = builders.get(0);
    return builder instanceof BackwardDependenciesBuilder ? ((BackwardDependenciesBuilder)builder).getForwardScope() : builder.getScope();
  }

  @Override
  protected boolean shouldShowDependenciesPanel(List<DependenciesBuilder> builders) {
    for (DependenciesBuilder builder : builders) {
      for (Set<PsiFile> files : builder.getDependencies().values()) {
        if (!files.isEmpty()) {
          return true;
        }
      }
    }
    final String source = StringUtil.decapitalize(getForwardScope(builders).getDisplayName());
    final String target = StringUtil.decapitalize(myTargetScope.getDisplayName());
    String message = AnalysisScopeBundle.message("no.dependencies.found.message", source, target);
    if (DependencyVisitorFactory.VisitorOptions.fromSettings(myProject).skipImports()) {
      message += " ";
      message += AnalysisScopeBundle.message("dependencies.in.imports.message");
    }
    NOTIFICATION_GROUP.createNotification(message, MessageType.INFO).notify(myProject);
    return false;
  }

  @Override
  protected DependenciesBuilder createDependenciesBuilder(AnalysisScope scope) {
    return new BackwardDependenciesBuilder(myProject, new AnalysisScope(myTargetScope, myProject), scope);
  }
}