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Diffstat (limited to 'platform/editor-ui-api/src/com/intellij/openapi/actionSystem/DataContextWrapper.java')
-rw-r--r-- | platform/editor-ui-api/src/com/intellij/openapi/actionSystem/DataContextWrapper.java | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/platform/editor-ui-api/src/com/intellij/openapi/actionSystem/DataContextWrapper.java b/platform/editor-ui-api/src/com/intellij/openapi/actionSystem/DataContextWrapper.java new file mode 100644 index 000000000000..091153d67cc5 --- /dev/null +++ b/platform/editor-ui-api/src/com/intellij/openapi/actionSystem/DataContextWrapper.java @@ -0,0 +1,51 @@ +/* + * 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.openapi.actionSystem; + +import com.intellij.openapi.util.Key; +import com.intellij.openapi.util.UserDataHolder; +import com.intellij.openapi.util.UserDataHolderBase; +import org.jetbrains.annotations.NonNls; +import org.jetbrains.annotations.NotNull; +import org.jetbrains.annotations.Nullable; + +// We implement UserDataHolder to support DataManager.saveInDataContext/loadFromDataContext methods +public class DataContextWrapper implements DataContext, UserDataHolder { + private final DataContext myDelegate; + private final UserDataHolder myDataHolder; + + public DataContextWrapper(@NotNull DataContext delegate) { + myDelegate = delegate; + myDataHolder = delegate instanceof UserDataHolder ? (UserDataHolder) delegate : new UserDataHolderBase(); + } + + @Nullable + @Override + public Object getData(@NonNls String dataId) { + return myDelegate.getData(dataId); + } + + @Nullable + @Override + public <T> T getUserData(@NotNull Key<T> key) { + return myDataHolder.getUserData(key); + } + + @Override + public <T> void putUserData(@NotNull Key<T> key, @Nullable T value) { + myDataHolder.putUserData(key, value); + } +} |