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Viewing changes to systemtap/org.eclipse.linuxtools.systemtap.ui.dashboard/src/org/eclipse/linuxtools/systemtap/ui/dashboard/actions/StopGraphAction.java

  • Committer: Package Import Robot
  • Author(s): Jakub Adam
  • Date: 2012-06-29 12:07:30 UTC
  • Revision ID: package-import@ubuntu.com-20120629120730-bfri1xys1i71dpn6
Tags: upstream-1.0.0
Import upstream version 1.0.0

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systemtap/org.eclipse.linuxtools.systemtap.ui.dashboard/src/org/eclipse/linuxtools/systemtap/ui/dashboard/actions/StopGraphAction.java
 
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/*******************************************************************************
 
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 * Copyright (c) 2006 IBM Corporation.
 
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 * All rights reserved. This program and the accompanying materials
 
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 * are made available under the terms of the Eclipse Public License v1.0
 
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 * which accompanies this distribution, and is available at
 
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 * http://www.eclipse.org/legal/epl-v10.html
 
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 *
 
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 * Contributors:
 
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 *     IBM Corporation - Jeff Briggs, Henry Hughes, Ryan Morse, Anithra P J
 
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 *******************************************************************************/
 
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package org.eclipse.linuxtools.systemtap.ui.dashboard.actions;
 
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import org.eclipse.jface.action.Action;
 
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import org.eclipse.jface.action.IAction;
 
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import org.eclipse.jface.viewers.ISelection;
 
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import org.eclipse.jface.viewers.IStructuredSelection;
 
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import org.eclipse.ui.IViewActionDelegate;
 
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import org.eclipse.ui.IViewPart;
 
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import org.eclipse.ui.PlatformUI;
 
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import org.eclipse.linuxtools.systemtap.ui.dashboard.structures.DashboardGraphData;
 
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import org.eclipse.linuxtools.systemtap.ui.dashboard.structures.GraphTreeNode;
 
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import org.eclipse.linuxtools.systemtap.ui.dashboard.views.ActiveModuleBrowserView;
 
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import org.eclipse.linuxtools.systemtap.ui.dashboard.views.DashboardView;
 
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/**
 
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 * This action is responsible for stopping an active graph.  This is used when a module
 
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 * has already been started, but the user no longer wants to see one of the graphs.
 
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 * This will make the selected graph inactive, with the option for bringing it back up
 
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 * at a future time.
 
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 * @author Ryan Morse
 
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 */
 
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public class StopGraphAction extends Action implements IViewActionDelegate {
 
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        public void init(IViewPart view) {
 
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                selectedItem = null;
 
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        }
 
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        public void run(IAction act) {
 
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                run();
 
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        }
 
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        public void run() {
 
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                run(selectedItem);
 
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        }
 
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        /**
 
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         * This method retreives the graph information for the selected item and then
 
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         * disposes of the graph from the display.
 
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         * @param selected The graph item that is currently selected and needs to be deactivated
 
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         */
 
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        public void run(GraphTreeNode selected) {
 
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                DashboardGraphData data = ((DashboardGraphData)selected.getData());
 
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                IViewPart ivp = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().findView(DashboardView.ID);
 
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                DashboardView dv = (DashboardView)ivp;
 
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                dv.removeGraph(data.adapter,data.adapter.getmodulename());
 
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                data.adapter = null;
 
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                ivp = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().findView(ActiveModuleBrowserView.ID);
 
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                ActiveModuleBrowserView ambv = (ActiveModuleBrowserView)ivp;
 
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                ambv.getViewer().refresh();
 
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        }
 
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        /**
 
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         * This method updates what item is currently selected.
 
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         * @param action The action that started this method.
 
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         * @param selection The newly selected item
 
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         */
 
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        public void selectionChanged(IAction action, ISelection selection) {
 
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                if(selection instanceof IStructuredSelection) {
 
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                        IStructuredSelection selected = (IStructuredSelection)selection;
 
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                        Object o = selected.getFirstElement();
 
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                        if(o instanceof GraphTreeNode) {
 
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                                selectedItem = (GraphTreeNode)o;
 
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                                o = selectedItem.getData();
 
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                                if(null == ((DashboardGraphData)o).adapter) {
 
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                                        action.setEnabled(false);
 
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                                        return;
 
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                                }
 
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                        }
 
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                }
 
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                action.setEnabled(true);
 
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        }
 
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        private GraphTreeNode selectedItem;
 
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}