/*
 * JBoss, Home of Professional Open Source.
 *
 * See the LEGAL.txt file distributed with this work for information regarding copyright ownership and licensing.
 *
 * See the AUTHORS.txt file distributed with this work for a full listing of individual contributors.
 */
package org.teiid.designer.ui.actions;

import org.eclipse.core.resources.IFile;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.ui.IViewActionDelegate;
import org.eclipse.ui.IViewPart;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.IWorkbenchWindowActionDelegate;
import org.eclipse.ui.actions.ActionDelegate;
import org.teiid.designer.ui.common.eventsupport.SelectionUtilities;
import org.teiid.designer.ui.viewsupport.ModelUtilities;


/**
 * ModelStatisticsAction
 *
 * @since 8.0
 */
public class ModelStatisticsAction extends ActionDelegate implements IWorkbenchWindowActionDelegate,
                                                                    IViewActionDelegate {

    private IFile selectedModel;

    /**
     * Construct an instance of RebuildImportsAction.
     */
    public ModelStatisticsAction() {
        super();
    }

    /* (non-Javadoc)
     * @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction)
     */
    @Override
    public void run(IAction action) {
        ModelStatisticsReporter reporter = new ModelStatisticsReporter(selectedModel);
        reporter.show();
    }

    /* (non-Javadoc)
     * @see org.eclipse.ui.IActionDelegate#selectionChanged(org.eclipse.jface.action.IAction, org.eclipse.jface.viewers.ISelection)
     */
    @Override
    public void selectionChanged(IAction action, ISelection selection) {
        boolean enable = false;
        if ( ! SelectionUtilities.isMultiSelection(selection) ) {
            Object obj = SelectionUtilities.getSelectedObject(selection);
            if ( obj instanceof IFile && ModelUtilities.isModelFile((IFile) obj) ) {
                this.selectedModel = (IFile) obj;
                enable = true;
            }
        }
        action.setEnabled(enable);
    }

    /* (non-Javadoc)
     * @see org.eclipse.ui.IWorkbenchWindowActionDelegate#init(org.eclipse.ui.IWorkbenchWindow)
     */
    @Override
	public void init(IWorkbenchWindow window) {
    }

    /* (non-Javadoc)
     * @see org.eclipse.ui.IViewActionDelegate#init(org.eclipse.ui.IViewPart)
     */
    @Override
	public void init(IViewPart view) {
    }

}