OpenImplementationAction.java

/*******************************************************************************
 * Copyright (c) 2012-2016 Codenvy, S.A.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *   Codenvy, S.A. - initial API and implementation
 *******************************************************************************/
package org.eclipse.che.ide.ext.java.client.action;

import com.google.inject.Inject;

import org.eclipse.che.ide.api.action.ActionEvent;
import org.eclipse.che.ide.api.editor.EditorAgent;
import org.eclipse.che.ide.api.editor.EditorPartPresenter;
import org.eclipse.che.ide.ext.java.client.JavaLocalizationConstant;
import org.eclipse.che.ide.ext.java.client.navigation.openimplementation.OpenImplementationPresenter;
import org.eclipse.che.ide.jseditor.client.texteditor.TextEditor;

/**
 * Action which is opened the implementations of selected JAva Element.
 *
 * @author Valeriy Svydenko
 */
public class OpenImplementationAction extends JavaEditorAction {


    private final OpenImplementationPresenter openImplementationPresenter;

    @Inject
    public OpenImplementationAction(JavaLocalizationConstant constant,
                                    EditorAgent editorAgent,
                                    OpenImplementationPresenter openImplementationPresenter) {
        super(constant.openImplementationActionName(), constant.openImplementationDescription(), null, editorAgent);
        this.openImplementationPresenter = openImplementationPresenter;
    }

    @Override
    public void actionPerformed(ActionEvent e) {
        EditorPartPresenter editor = editorAgent.getActiveEditor();
        if (editor instanceof TextEditor) {
            openImplementationPresenter.show(editor);
        } else {
            throw new IllegalStateException(getTemplatePresentation().getText() +
                                            " can be performed only on editors that implement TextEditor interface. Try to open this file" +
                                            " in another editor.");
        }

    }
}