com.synflow.ngDesign.ui.internal.navigator.RefactorActionProvider.java Source code

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Here is the source code for com.synflow.ngDesign.ui.internal.navigator.RefactorActionProvider.java

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/*******************************************************************************
 * Copyright (c) 2003, 2011, 2014 IBM Corporation and others.
 * 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:
 *    IBM Corporation - initial API and implementation
 *    Matthieu Wipliez (Synflow SAS) - modified
 *******************************************************************************/
package com.synflow.ngDesign.ui.internal.navigator;

import java.util.Iterator;

import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.window.IShellProvider;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Tree;
import org.eclipse.ui.IActionBars;
import org.eclipse.ui.IWorkbenchCommandConstants;
import org.eclipse.ui.actions.ActionFactory;
import org.eclipse.ui.navigator.CommonActionProvider;
import org.eclipse.ui.navigator.ICommonActionExtensionSite;
import org.eclipse.ui.navigator.ICommonMenuConstants;

import com.synflow.core.layout.ITreeElement;
import com.synflow.ngDesign.ui.internal.navigator.actions.RenameAction;

/**
 * This class describes a refactor action provider.
 * 
 * @author Matthieu Wipliez
 * 
 */
public class RefactorActionProvider extends CommonActionProvider {

    private RenameAction renameAction;

    private Shell shell;

    private Tree tree;

    @Override
    public void fillActionBars(IActionBars actionBars) {
        updateActionBars();

        actionBars.setGlobalActionHandler(ActionFactory.RENAME.getId(), renameAction);
    }

    @Override
    public void fillContextMenu(IMenuManager menu) {
        IStructuredSelection selection = (IStructuredSelection) getContext().getSelection();

        boolean canRename = true;
        Iterator<?> it = selection.iterator();
        while (it.hasNext()) {
            Object obj = it.next();
            if (obj instanceof ITreeElement) {
                // cannot rename source folder
                ITreeElement element = (ITreeElement) obj;
                if (element.isSourceFolder()) {
                    canRename = false;
                }
            }
        }

        if (canRename) {
            renameAction.selectionChanged(selection);
            menu.appendToGroup(ICommonMenuConstants.GROUP_REORGANIZE, renameAction);
        }
    }

    @Override
    public void init(ICommonActionExtensionSite site) {
        shell = site.getViewSite().getShell();
        tree = (Tree) site.getStructuredViewer().getControl();

        makeActions();
    }

    protected void makeActions() {
        IShellProvider sp = new IShellProvider() {
            @Override
            public Shell getShell() {
                return shell;
            }
        };

        renameAction = new RenameAction(sp, tree);
        renameAction.setActionDefinitionId(IWorkbenchCommandConstants.FILE_RENAME);
    }

    @Override
    public void updateActionBars() {
        IStructuredSelection selection = (IStructuredSelection) getContext().getSelection();

        renameAction.selectionChanged(selection);
    }

}