newindicatoraction.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.events.TabSelection;
import net.sourceforge.eclipsetrader.charts.views.ChartView;
import net.sourceforge.eclipsetrader.charts.wizards.NewIndicatorWizard;
import net.sourceforge.eclipsetrader.core.db.ChartRow;
import net.sourceforge.eclipsetrader.core.db.ChartTab;

import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.wizard.WizardDialog;
import org.eclipse.ui.IViewActionDelegate;
import org.eclipse.ui.IViewPart;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;

/**
 */
public class NewIndicatorAction implements IViewActionDelegate
{
    private ChartView view;

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

    /* (non-Javadoc)
     * @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction)
     */
    public void run(IAction action)
    {
        IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();

        if (view == null)
        {
            IWorkbenchPart part = window.getActivePage().getActivePart();
            if (part instanceof ChartView)
                view = (ChartView) part;
        }
        
        if (view != null)
        {
            int rows = view.getChart().getRows().size();
            
            NewIndicatorWizard dlg = new NewIndicatorWizard();
            ISelection selection = window.getActivePage().getSelection();
            if (selection instanceof TabSelection)
            {
                ChartTab tab = ((TabSelection) selection).getChartTab();
                ChartRow row = tab.getParent();
                dlg.setDefaultRow(row.getParent().getRows().indexOf(row) + 1);
                dlg.setDefaultTab(tab.getLabel());
            }
            if (dlg.open(view.getChart()) == WizardDialog.OK && view.getChart().getRows().size() != rows)
                view.resetViewLayout();
        }
    }

    /* (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)
    {
    }
}