/*
 * Copyright 2000-2011 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.tasks.actions;

import com.intellij.featureStatistics.FeatureUsageTracker;
import com.intellij.lang.documentation.ide.impl.DocumentationManagementHelper;
import com.intellij.openapi.actionSystem.AnActionEvent;
import com.intellij.openapi.actionSystem.Presentation;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.NlsContexts;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.tasks.LocalTask;
import com.intellij.tasks.TaskBundle;
import com.intellij.tasks.core.TaskSymbol;
import org.jetbrains.annotations.NotNull;

/**
 * @author Dennis.Ushakov
 */
public class ShowTaskDescription extends BaseTaskAction {
  @Override
  public void update(@NotNull AnActionEvent event) {
    super.update(event);
    if (event.getPresentation().isEnabled()) {
      final Presentation presentation = event.getPresentation();
      final LocalTask activeTask = getActiveTask(event);
      presentation.setEnabled(activeTask != null && activeTask.isIssue() && activeTask.getDescription() != null);
      if (activeTask == null || !activeTask.isIssue()) {
        presentation.setTextWithMnemonic(getTemplatePresentation().getTextWithPossibleMnemonic());
      } else {
        presentation.setText(TaskBundle.message("action.show.description.text",
                                                StringUtil.escapeMnemonics(activeTask.getPresentableName())));
      }
    }
  }

  @Override
  public void actionPerformed(@NotNull AnActionEvent e) {
    final Project project = getProject(e);
    assert project != null;
    final LocalTask task = getActiveTask(e);
    if (task == null) return;
    FeatureUsageTracker.getInstance().triggerFeatureUsed("codeassists.quickjavadoc.ctrln");
    project.getService(DocumentationManagementHelper.class).showQuickDoc(
      null, new TaskSymbol(task).getDocumentationTarget(null), null, null
    );
  }

  protected @NlsContexts.Command String getCommandName() {
    String text = getTemplatePresentation().getText();
    return text != null ? text : "";
  }
}
