eu.geclipse.ui.internal.actions.LinkWithEditorAction.java Source code

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Here is the source code for eu.geclipse.ui.internal.actions.LinkWithEditorAction.java

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/*****************************************************************************
 * Copyright (c) 2006, 2007 g-Eclipse Consortium
 * 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
 *
 * Initial development of the original code was made for the
 * g-Eclipse project founded by European Union
 * project number: FP6-IST-034327  http://www.geclipse.eu/
 *
 * Contributors:
 *    Mathias Stuempert - initial API and implementation
 *****************************************************************************/

package eu.geclipse.ui.internal.actions;

import java.net.URL;

import org.eclipse.core.resources.IFile;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.viewers.StructuredViewer;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.ide.ResourceUtil;

import eu.geclipse.core.model.GridModel;
import eu.geclipse.core.model.IGridElement;
import eu.geclipse.core.model.IGridRoot;
import eu.geclipse.ui.internal.Activator;
import eu.geclipse.ui.views.GridModelViewPart;

/**
 * Links an editor with a viewer.
 */
public class LinkWithEditorAction extends Action {

    private GridModelViewPart view;

    protected LinkWithEditorAction(final GridModelViewPart view) {
        super(Messages.getString("LinkWithEditorAction.link_with_editor_action_text"), IAction.AS_CHECK_BOX); //$NON-NLS-1$
        this.view = view;
        URL imgUrl = Activator.getDefault().getBundle().getEntry("icons/elcl16/synced.gif"); //$NON-NLS-1$
        setImageDescriptor(ImageDescriptor.createFromURL(imgUrl));
    }

    @Override
    public void run() {
        if (isChecked()) {
            IWorkbenchPage workbenchPage = this.view.getViewSite().getPage();
            if (workbenchPage.isPartVisible(this.view)) {
                IEditorPart editor = workbenchPage.getActiveEditor();
                if (editor != null) {
                    IEditorInput input = editor.getEditorInput();
                    IFile file = ResourceUtil.getFile(input);
                    if (file != null) {
                        IGridRoot gridRoot = GridModel.getRoot();
                        IGridElement gridElement = gridRoot.findElement(file);
                        if (gridElement != null) {
                            StructuredViewer viewer = this.view.getViewer();
                            ISelection selection = new StructuredSelection(gridElement);
                            viewer.setSelection(selection);
                        }
                    }
                }
            }
        }
    }
}