com.google.dart.tools.search.internal.ui.text.NewTextSearchActionGroup.java Source code

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Here is the source code for com.google.dart.tools.search.internal.ui.text.NewTextSearchActionGroup.java

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/*
 * Copyright (c) 2012, the Dart project authors.
 * 
 * Licensed under the Eclipse Public License v1.0 (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.eclipse.org/legal/epl-v10.html
 * 
 * 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.google.dart.tools.search.internal.ui.text;

import com.google.dart.tools.search.ui.IContextMenuConstants;

import org.eclipse.core.runtime.Assert;
import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.IViewPart;
import org.eclipse.ui.IWorkbenchPartSite;
import org.eclipse.ui.actions.ActionGroup;
import org.eclipse.ui.actions.OpenFileAction;

/**
 * Action group that adds the Text search actions to a context menu and the global menu bar.
 * <p>
 * This class may be instantiated; it is not intended to be subclassed.
 * </p>
 */
public class NewTextSearchActionGroup extends ActionGroup {

    private OpenFileAction fOpenAction;

    public NewTextSearchActionGroup(IViewPart part) {
        Assert.isNotNull(part);
        IWorkbenchPartSite site = part.getSite();
        fOpenAction = new OpenFileAction(site.getPage());

    }

    @Override
    public void fillContextMenu(IMenuManager menu) {
        ISelection selection = getContext().getSelection();
        if (selection instanceof IStructuredSelection) {
            IStructuredSelection ss = (IStructuredSelection) selection;
            if (!ss.isEmpty()) {
                addOpenMenu(menu, ss);
            }
        }

    }

    private void addOpenMenu(IMenuManager menu, IStructuredSelection selection) {
        if (selection == null) {
            return;
        }

        fOpenAction.selectionChanged(selection);
        if (fOpenAction.isEnabled()) {
            menu.appendToGroup(IContextMenuConstants.GROUP_OPEN, fOpenAction);
        }
    }

}