openchartforaction.java

EclipseTrader is a stock exchange analysis system, featuring shares pricing watch, intraday and hi

/*
 * Copyright (c) 2004-2006 Marco Maccaferri 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:
 *     Marco Maccaferri - initial API and implementation
 */

package net.sourceforge.eclipsetrader.charts.actions;

import net.sourceforge.eclipsetrader.charts.views.ChartView;
import net.sourceforge.eclipsetrader.core.CorePlugin;
import net.sourceforge.eclipsetrader.core.db.Security;
import net.sourceforge.eclipsetrader.core.ui.SecuritySelection;

import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.IWorkbenchWindowActionDelegate;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.PlatformUI;

/**
 */
public class OpenChartForAction implements IWorkbenchWindowActionDelegate
{
    private String defaultText;
    private Security security;

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

    /* (non-Javadoc)
     * @see org.eclipse.ui.IWorkbenchWindowActionDelegate#dispose()
     */
    public void dispose()
    {
    }

    /* (non-Javadoc)
     * @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction)
     */
    public void run(IAction action)
    {
        if (security != null)
        {
            IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
            try {
                page.showView(ChartView.VIEW_ID, String.valueOf(security.getId()), IWorkbenchPage.VIEW_ACTIVATE);
            } catch (PartInitException e) {
                CorePlugin.logException(e);
            }
        }
    }

    /* (non-Javadoc)
     * @see org.eclipse.ui.IActionDelegate#selectionChanged(org.eclipse.jface.action.IAction, org.eclipse.jface.viewers.ISelection)
     */
    public void selectionChanged(IAction action, ISelection selection)
    {
        if (defaultText == null)
            defaultText = action.getText();
        
        security = null;
        if (selection instanceof SecuritySelection)
        {
            security = ((SecuritySelection)selection).getSecurity();
            action.setText(defaultText + " " + security.getDescription());
        }
        else
            action.setText(defaultText);
        action.setEnabled(this.security != null);
    }
}