com.intellij.codeInspection.htmlInspections.AddAttributeValueIntentionFix Maven / Gradle / Ivy

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A packaging of the IntelliJ Community Edition xml library. This is release number 1 of trunk branch 142.
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/*
 * Copyright 2000-2013 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.codeInspection.htmlInspections;

import com.intellij.codeInsight.AutoPopupController;
import com.intellij.codeInsight.FileModificationService;
import com.intellij.codeInsight.daemon.XmlErrorMessages;
import com.intellij.codeInspection.LocalQuickFixAndIntentionActionOnPsiElement;
import com.intellij.openapi.application.Result;
import com.intellij.openapi.command.WriteCommandAction;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.project.Project;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiFile;
import com.intellij.psi.XmlElementFactory;
import com.intellij.psi.util.PsiTreeUtil;
import com.intellij.psi.xml.XmlAttribute;
import com.intellij.psi.xml.XmlAttributeValue;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

public class AddAttributeValueIntentionFix extends LocalQuickFixAndIntentionActionOnPsiElement {
  public AddAttributeValueIntentionFix(@Nullable PsiElement element) {
    super(element);
  }

  @NotNull
  @Override
  public String getText() {
    return XmlErrorMessages.message("add.attribute.value.quickfix.text");
  }

  @Override
  @NotNull
  public String getFamilyName() {
    return getName();
  }

  @Override
  public void invoke(@NotNull Project project,
                     @NotNull PsiFile file,
                     @Nullable("is null when called from inspection") final Editor editor,
                     @NotNull PsiElement startElement,
                     @NotNull PsiElement endElement) {
    final XmlAttribute attribute = PsiTreeUtil.getNonStrictParentOfType(startElement, XmlAttribute.class);
    if (attribute == null || attribute.getValue() != null) {
      return;
    }

    if (!FileModificationService.getInstance().prepareFileForWrite(attribute.getContainingFile())) {
      return;
    }

    new WriteCommandAction(project) {
      @Override
      protected void run(@NotNull final Result result) {
        final XmlAttribute attributeWithValue = XmlElementFactory.getInstance(getProject()).createXmlAttribute(attribute.getName(), "");
        final PsiElement newAttribute = attribute.replace(attributeWithValue);
        
        if (editor != null && newAttribute != null && newAttribute instanceof XmlAttribute && newAttribute.isValid()) {
          final XmlAttributeValue valueElement = ((XmlAttribute)newAttribute).getValueElement();
          if (valueElement != null) {
            editor.getCaretModel().moveToOffset(valueElement.getTextOffset());
            AutoPopupController.getInstance(newAttribute.getProject()).scheduleAutoPopup(editor);
          }
        }
      }
    }.execute();
  }
}