org.openide.awt.ContextActionEnabler Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
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* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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
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* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.openide.awt;
import java.util.List;
/** Additional callback interface to decide whether an action shall
* be enabled on given data or not. Implementation of this interface
* can be passed to one of the {@link Factory#context} methods in
* addition to regular data type to watch for and its {@link ContextSelection}
* policy.
*
* @author Jaroslav Tulach
*/
interface ContextActionEnabler {
/** Shall the associated action be enabled on given data?
*
* @param data the unmodifiable list of elements to potentially operate on
*/
public boolean enabled(List extends T> data);
}
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