platform/vcs-impl/src/com/intellij/openapi/vcs/actions/AbstractVcsAction.java

   1 /*
   2  * Copyright 2000-2009 JetBrains s.r.o.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package com.intellij.openapi.vcs.actions;
  17
  18 import com.intellij.openapi.actionSystem.AnActionEvent;
  19 import com.intellij.openapi.actionSystem.AsyncUpdateAction;
  20 import com.intellij.openapi.actionSystem.Presentation;
  21 import com.intellij.openapi.application.ApplicationManager;
  22 import com.intellij.openapi.project.DumbAware;
  23 import com.intellij.openapi.project.Project;
  24 import com.intellij.openapi.vcs.AbstractVcs;
  25 import com.intellij.openapi.vcs.FilePath;
  26 import com.intellij.openapi.vcs.ProjectLevelVcsManager;
  27 import com.intellij.util.containers.HashSet;
  28 import org.jetbrains.annotations.NotNull;
  29
  30 import java.util.Collection;
  31 import java.util.Collections;
  32
  33 public abstract class AbstractVcsAction extends AsyncUpdateAction<VcsContext> implements DumbAware {
  34   public static Collection<AbstractVcs> getActiveVcses(VcsContext dataContext) {
  35     Collection<AbstractVcs> result = new HashSet<AbstractVcs>();
  36     final Project project = dataContext.getProject();
  37     if (project != null) {
  38       Collections.addAll(result, ProjectLevelVcsManager.getInstance(project).getAllActiveVcss());
  39     }
  40     return result;
  41   }
  42
  43   @NotNull
  44   protected static FilePath[] filterDescindingFiles(@NotNull FilePath[] roots, Project project) {
  45     return DescindingFilesFilter.filterDescindingFiles(roots, project, null);
  46   }
  47
  48   protected VcsContext prepareDataFromContext(final AnActionEvent e) {
  49     return forceSyncUpdate(e) ? VcsContextWrapper.createInstanceOn(e) : VcsContextWrapper.createCachedInstanceOn(e);
  50   }
  51
  52   protected void performUpdate(final Presentation presentation, final VcsContext data) {
  53     ApplicationManager.getApplication().runReadAction(new Runnable() {
  54       public void run() {
  55         update(data, presentation);
  56       }
  57     });
  58   }
  59
  60   public final void actionPerformed(AnActionEvent e) {
  61     actionPerformed(VcsContextWrapper.createCachedInstanceOn(e));
  62   }
  63
  64   protected abstract void actionPerformed(VcsContext e);
  65
  66   protected abstract void update(VcsContext vcsContext, Presentation presentation);
  67
  68 }