/*
* Copyright (c) 2004-2011 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 org.eclipsetrader.ui.internal;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IExtensionPoint;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.jface.action.ActionContributionItem;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.MenuAdapter;
import org.eclipse.swt.events.MenuEvent;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.IWorkbenchWindowActionDelegate;
import org.eclipse.ui.IWorkbenchWindowPulldownDelegate2;
import org.eclipsetrader.core.ILauncher;
public class StopFeedAction implements IWorkbenchWindowActionDelegate, IWorkbenchWindowPulldownDelegate2 {
public static final String LAUNCHERS_EXTENSION_ID = "org.eclipsetrader.core.launchers";
private Menu menubarMenu;
private Menu toolbarMenu;
public StopFeedAction() {
}
/* (non-Javadoc)
* @see org.eclipse.ui.IWorkbenchWindowActionDelegate#init(org.eclipse.ui.IWorkbenchWindow)
*/
@Override
public void init(IWorkbenchWindow window) {
}
/* (non-Javadoc)
* @see org.eclipse.ui.IWorkbenchWindowActionDelegate#dispose()
*/
@Override
public void dispose() {
if (menubarMenu != null) {
menubarMenu.dispose();
menubarMenu = null;
}
if (toolbarMenu != null) {
toolbarMenu.dispose();
toolbarMenu = null;
}
}
/* (non-Javadoc)
* @see org.eclipse.ui.IWorkbenchWindowPulldownDelegate2#getMenu(org.eclipse.swt.widgets.Menu)
*/
@Override
public Menu getMenu(Menu parent) {
if (menubarMenu != null) {
menubarMenu.dispose();
}
menubarMenu = new Menu(parent);
initMenu(menubarMenu);
return menubarMenu;
}
/* (non-Javadoc)
* @see org.eclipse.ui.IWorkbenchWindowPulldownDelegate#getMenu(org.eclipse.swt.widgets.Control)
*/
@Override
public Menu getMenu(Control parent) {
if (toolbarMenu != null) {
toolbarMenu.dispose();
}
toolbarMenu = new Menu(parent);
initMenu(toolbarMenu);
return toolbarMenu;
}
/* (non-Javadoc)
* @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction)
*/
@Override
public void run(IAction action) {
Job job = new Job("Feed Shutdown") {
@Override
protected IStatus run(IProgressMonitor monitor) {
monitor.beginTask(getName(), IProgressMonitor.UNKNOWN);
try {
boolean startAll = UIActivator.getDefault().getPreferenceStore().getBoolean("RUN_ALL_LAUNCHERS");
Set<String> set = new HashSet<String>(Arrays.asList(UIActivator.getDefault().getPreferenceStore().getString("RUN_LAUNCHERS").split(";")));
ILauncher[] launchers = getLaunchers();
for (int i = 0; i < launchers.length; i++) {
if (startAll || set.contains(launchers[i].getId())) {
try {
launchers[i].terminate(monitor);
} catch (Exception e) {
Status status = new Status(IStatus.ERROR, UIActivator.PLUGIN_ID, 0, "Error terminating " + launchers[i].getId(), e);
UIActivator.getDefault().getLog().log(status);
}
}
}
} finally {
monitor.done();
}
return Status.OK_STATUS;
}
};
job.setUser(false);
job.schedule();
}
/* (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) {
}
/**
* Creates the menu for the action
*/
private void initMenu(Menu menu) {
menu.addMenuListener(new MenuAdapter() {
@Override
public void menuShown(MenuEvent e) {
Menu m = (Menu) e.widget;
MenuItem[] items = m.getItems();
for (int i = 0; i < items.length; i++) {
items[i].dispose();
}
fillMenu(m);
}
});
}
protected void fillMenu(Menu menu) {
ActionContributionItem item = new ActionContributionItem(new StopAllAction());
item.fill(menu, -1);
new MenuItem(menu, SWT.SEPARATOR);
ILauncher[] launchers = getLaunchers();
for (int i = 0; i < launchers.length; i++) {
item = new ActionContributionItem(new LauncherTerminateAction(launchers[i]));
item.fill(menu, -1);
}
}
ILauncher[] getLaunchers() {
List<ILauncher> list = new ArrayList<ILauncher>();
IExtensionPoint extensionPoint = Platform.getExtensionRegistry().getExtensionPoint(LAUNCHERS_EXTENSION_ID);
if (extensionPoint != null) {
IConfigurationElement[] configElements = extensionPoint.getConfigurationElements();
for (int j = 0; j < configElements.length; j++) {
String id = configElements[j].getAttribute("id"); //$NON-NLS-1$
try {
ILauncher launcher = (ILauncher) configElements[j].createExecutableExtension("class");
if (launcher != null) {
list.add(launcher);
}
} catch (Exception e) {
Status status = new Status(IStatus.ERROR, UIActivator.PLUGIN_ID, 0, "Error launching " + id, e);
UIActivator.getDefault().getLog().log(status);
}
}
}
Collections.sort(list, new Comparator<ILauncher>() {
@Override
public int compare(ILauncher o1, ILauncher o2) {
return o1.getName().compareToIgnoreCase(o2.getName());
}
});
return list.toArray(new ILauncher[list.size()]);
}
}