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/*******************************************************************************
* Copyright (c) 2006 IBM Corporation.
* 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:
* IBM Corporation - Jeff Briggs, Henry Hughes, Ryan Morse
*******************************************************************************/
package org.eclipse.linuxtools.internal.systemtap.ui.ide.views;
import org.eclipse.jface.action.MenuManager;
import org.eclipse.jface.action.Separator;
import org.eclipse.linuxtools.internal.systemtap.ui.ide.actions.hidden.FunctionBrowserAction;
import org.eclipse.linuxtools.systemtap.ui.ide.structures.TapsetLibrary;
import org.eclipse.linuxtools.systemtap.ui.structures.TreeNode;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.ui.IWorkbenchActionConstants;
/**
* This class is the Function Tapset Browser, which provides a list of all of the functions
* defined in the tapset library for the user to browse through.
* @author Ryan Morse
* @author Henry Hughes
*/
public class FunctionBrowserView extends BrowserView {
public static final String ID = "org.eclipse.linuxtools.internal.systemtap.ui.ide.views.FunctionBrowserView"; //$NON-NLS-1$
private FunctionBrowserAction doubleClickAction;
private TreeNode functions;
private TreeNode localFunctions;
private Menu menu;
/**
* Creates the UI on the given <code>Composite</code>
*/
@Override
public void createPartControl(Composite parent) {
super.createPartControl(parent);
TapsetLibrary.init();
TapsetLibrary.addListener(new ViewUpdater());
refresh();
makeActions();
}
/**
* Refreshes the list of functions in the viewer.
*/
@Override
public void refresh() {
functions = TapsetLibrary.getFunctions();
addLocalFunctions(localFunctions);
}
/**
* Adds the local functions specified in the argument to the viewer.
* @param localFunctionTree A tree of the local functions.
*/
public void addLocalFunctions(TreeNode localFunctionTree) {
if(functions.getChildCount() > 0) {
TreeNode localFuncs = functions.getChildAt(0);
if("<local>".equals(localFuncs.toString())) {
functions.remove(0);
}
if(null != localFunctions) {
localFunctions = localFunctionTree;
localFunctions.setDisplay("<local>");
functions.addAt(localFunctions, 0);
}
}
viewer.setInput(functions);
}
/**
* Wires up all of the actions for this browser, such as double and right click handlers.
*/
private void makeActions() {
doubleClickAction = new FunctionBrowserAction(getSite().getWorkbenchWindow(), this);
viewer.addDoubleClickListener(doubleClickAction);
//This loads the menu from plugin.xml
// MenuManager manager = new MenuManager("functionPopup");
// Control control = this.viewer.getControl();
// manager.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS));
// Menu menu = manager.createContextMenu(control);
// control.setMenu(menu);
// getSite().registerContextMenu(manager, viewer);
}
@Override
public void dispose() {
super.dispose();
if(null != viewer) {
viewer.removeDoubleClickListener(doubleClickAction);
}
if(null != doubleClickAction) {
doubleClickAction.dispose();
}
doubleClickAction = null;
if(null != localFunctions) {
localFunctions.dispose();
}
localFunctions = null;
if(null != functions) {
functions.dispose();
}
functions = null;
if(null != menu) {
menu.dispose();
}
menu = null;
TapsetLibrary.stop();
}
}
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