platform/vcs-impl/src/com/intellij/openapi/vcs/changes/shelf/RenameShelvedChangeListAction.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.openapi.vcs.changes.shelf;

import com.intellij.openapi.actionSystem.AnAction;
import com.intellij.openapi.actionSystem.AnActionEvent;
import com.intellij.openapi.actionSystem.CommonDataKeys;
import com.intellij.openapi.actionSystem.PlatformDataKeys;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.ui.InputValidator;
import com.intellij.openapi.ui.Messages;
import com.intellij.openapi.vcs.VcsBundle;

import java.util.List;

/**
 * @author yole
 */
public class RenameShelvedChangeListAction extends AnAction {
  public void actionPerformed(AnActionEvent e) {
    final Project project = e.getData(CommonDataKeys.PROJECT);
    final ShelvedChangeList[] changes = e.getData(ShelvedChangesViewManager.SHELVED_CHANGELIST_KEY);
    final ShelvedChangeList[] recycledChanges = e.getData(ShelvedChangesViewManager.SHELVED_RECYCLED_CHANGELIST_KEY);
    assert (changes != null) || (recycledChanges != null);
    final ShelvedChangeList changeList = (changes != null && changes.length == 1) ? changes [0] : recycledChanges[0];
    String newName = Messages.showInputDialog(project, VcsBundle.message("shelve.changes.rename.prompt"),
                                              VcsBundle.message("shelve.changes.rename.title"),
                                              Messages.getQuestionIcon(), changeList.DESCRIPTION,
                                              new InputValidator() {
                                                public boolean checkInput(final String inputString) {
                                                  if (inputString.length() == 0) {
                                                    return false;
                                                  }
                                                  final List<ShelvedChangeList> list =
                                                    ShelveChangesManager.getInstance(project).getShelvedChangeLists();
                                                  for(ShelvedChangeList oldList: list) {
                                                    if (oldList != changeList && oldList.DESCRIPTION.equals(inputString)) {
                                                      return false;
                                                    }
                                                  }
                                                  return true;
                                                }

                                                public boolean canClose(final String inputString) {
                                                  return checkInput(inputString);
                                                }
                                              });
    if (newName != null && !newName.equals(changeList.DESCRIPTION)) {
      ShelveChangesManager.getInstance(project).renameChangeList(changeList, newName);
    }
  }

  public void update(final AnActionEvent e) {
    final Project project = e.getData(CommonDataKeys.PROJECT);
    final ShelvedChangeList[] changes = e.getData(ShelvedChangesViewManager.SHELVED_CHANGELIST_KEY);
    final ShelvedChangeList[] recycledChanges = e.getData(ShelvedChangesViewManager.SHELVED_RECYCLED_CHANGELIST_KEY);
    e.getPresentation().setEnabled((project != null) && ((changes != null && changes.length == 1) ||
      ((recycledChanges != null) && (recycledChanges.length == 1))));
  }
}