au.gov.ga.earthsci.application.parts.layer.handlers.RenameHandler.java Source code

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Here is the source code for au.gov.ga.earthsci.application.parts.layer.handlers.RenameHandler.java

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/*******************************************************************************
 * Copyright 2012 Geoscience Australia
 * 
 * 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 au.gov.ga.earthsci.application.parts.layer.handlers;

import javax.inject.Named;

import org.eclipse.e4.core.di.annotations.CanExecute;
import org.eclipse.e4.core.di.annotations.Execute;
import org.eclipse.e4.core.di.annotations.Optional;
import org.eclipse.e4.ui.services.IServiceConstants;
import org.eclipse.jface.viewers.TreeViewer;

import au.gov.ga.earthsci.core.model.layer.ILayerTreeNode;

/**
 * Handles rename commands for the layer tree.
 * 
 * @author Michael de Hoog (michael.dehoog@ga.gov.au)
 */
public class RenameHandler {
    @Execute
    public void execute(@Named(IServiceConstants.ACTIVE_SELECTION) ILayerTreeNode layer, TreeViewer viewer) {
        viewer.editElement(layer, 0);
    }

    @CanExecute
    public boolean canExecute(@Optional @Named(IServiceConstants.ACTIVE_SELECTION) ILayerTreeNode layer) {
        return layer != null;
    }
}