ru.scratch.OpenScratchAction.java Source code

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/*
 * 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 ru.scratch;

import com.intellij.openapi.actionSystem.AnActionEvent;
import com.intellij.openapi.actionSystem.PlatformDataKeys;
import com.intellij.openapi.fileEditor.OpenFileDescriptor;
import com.intellij.openapi.project.DumbAwareAction;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.vfs.VirtualFile;

/**
 * @author Dmitry Kandalov
 */
public class OpenScratchAction extends DumbAwareAction {
    @Override
    public void actionPerformed(AnActionEvent event) {
        Project project = projectFor(event);

        VirtualFile defaultScratch = ScratchComponent.getDefaultScratch();
        if (defaultScratch != null) {
            OpenFileDescriptor fileDescriptor = new OpenFileDescriptor(project, defaultScratch);
            fileDescriptor.navigate(true);
        } else {
            new AddScratchAction().actionPerformed(event);
        }
    }

    @Override
    public void update(AnActionEvent e) {
        e.getPresentation().setEnabled(projectFor(e) != null);
    }

    public static Project projectFor(AnActionEvent event) {
        return event.getData(PlatformDataKeys.PROJECT);
    }
}