xml/impl/src/com/intellij/codeInsight/template/emmet/SurroundWithEmmetAction.java

/*
 * Copyright 2000-2014 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.codeInsight.template.emmet;

import com.intellij.application.options.emmet.EmmetOptions;
import com.intellij.codeInsight.CodeInsightActionHandler;
import com.intellij.codeInsight.actions.BaseCodeInsightAction;
import com.intellij.codeInsight.hint.HintManager;
import com.intellij.codeInsight.template.CustomLiveTemplate;
import com.intellij.codeInsight.template.impl.WrapWithCustomTemplateAction;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.editor.SelectionModel;
import com.intellij.openapi.project.Project;
import com.intellij.psi.PsiFile;
import com.intellij.util.containers.ContainerUtil;
import org.jetbrains.annotations.NotNull;

public class SurroundWithEmmetAction extends BaseCodeInsightAction {
  public SurroundWithEmmetAction() {
    setEnabledInModalContext(true);
  }

  @Override
  protected boolean isValidForFile(@NotNull Project project, @NotNull Editor editor, @NotNull PsiFile file) {
    return EmmetOptions.getInstance().isEmmetEnabled() && new ZenCodingTemplate().isApplicable(file, editor.getSelectionModel().getSelectionStart(), true);
  }

  @NotNull
  @Override
  protected CodeInsightActionHandler getHandler() {
    return new SurroundWithEmmetHandler();
  }

  private static class SurroundWithEmmetHandler implements CodeInsightActionHandler {
    @Override
    public void invoke(@NotNull Project project, @NotNull Editor editor, @NotNull PsiFile file) {
      SelectionModel selectionModel = editor.getSelectionModel();
      if (!selectionModel.hasSelection() && !selectionModel.hasBlockSelection()) {
        selectionModel.selectLineAtCaret();
      }

      ZenCodingTemplate emmetCustomTemplate = CustomLiveTemplate.EP_NAME.findExtension(ZenCodingTemplate.class);
      if (emmetCustomTemplate != null) {
        new WrapWithCustomTemplateAction(emmetCustomTemplate, editor, file, ContainerUtil.<Character>newHashSet()).actionPerformed(null);
      }
      else if (!ApplicationManager.getApplication().isUnitTestMode()) {
        HintManager.getInstance().showErrorHint(editor, "Cannot invoke Surround with Emmet in the current context");
      }
    }

    @Override
    public boolean startInWriteAction() {
      return true;
    }
  }
}