plugins/ui-designer/src/com/intellij/uiDesigner/binding/ChangeFormComponentTypeFix.java

/*
 * Copyright 2000-2009 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.uiDesigner.binding;

import com.intellij.codeInsight.daemon.QuickFixBundle;
import com.intellij.codeInsight.intention.IntentionAction;
import com.intellij.openapi.command.CommandProcessor;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.vfs.ReadonlyStatusHandler;
import com.intellij.psi.*;
import com.intellij.psi.util.ClassUtil;
import com.intellij.util.IncorrectOperationException;
import org.jetbrains.annotations.NotNull;

/**
 * @author Eugene Zhuravlev
 *         Date: Jun 15, 2005
 */
public class ChangeFormComponentTypeFix implements IntentionAction {
  private final PsiPlainTextFile myFormFile;
  private final String myFieldName;
  private final String myComponentTypeToSet;

  public ChangeFormComponentTypeFix(PsiPlainTextFile formFile, String fieldName, PsiType componentTypeToSet) {
    myFormFile = formFile;
    myFieldName = fieldName;
    if (componentTypeToSet instanceof PsiClassType) {
      PsiClass psiClass = ((PsiClassType)componentTypeToSet).resolve();
      if (psiClass != null) {
        myComponentTypeToSet = ClassUtil.getJVMClassName(psiClass);
      }
      else {
        myComponentTypeToSet = ((PsiClassType) componentTypeToSet).rawType().getCanonicalText();
      }
    }
    else {
      myComponentTypeToSet = componentTypeToSet.getCanonicalText();
    }
  }

  @NotNull
  public String getText() {
    return QuickFixBundle.message("uidesigner.change.gui.component.type");
  }

  @NotNull
  public String getFamilyName() {
    return getText();
  }

  public boolean isAvailable(@NotNull Project project, Editor editor, PsiFile file) {
    return true;
  }

  public void invoke(@NotNull Project project, Editor editor, PsiFile file) throws IncorrectOperationException {
    CommandProcessor.getInstance().executeCommand(file.getProject(), new Runnable() {
      public void run() {
        final ReadonlyStatusHandler readOnlyHandler = ReadonlyStatusHandler.getInstance(myFormFile.getProject());
        final ReadonlyStatusHandler.OperationStatus status = readOnlyHandler.ensureFilesWritable(myFormFile.getVirtualFile());
        if (!status.hasReadonlyFiles()) {
          FormReferenceProvider.setGUIComponentType(myFormFile, myFieldName, myComponentTypeToSet);
        }
      }
    }, getText(), null);
  }

  public boolean startInWriteAction() {
    return true;
  }
}