| /******************************************************************************* |
| * Copyright (c) 2007 Chase Technology Ltd - http://www.chasetechnology.co.uk |
| * 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: |
| * Doug Satchwell (Chase Technology Ltd) - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.wst.xsl.internal.debug.ui.actions; |
| |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.wst.xsl.internal.debug.ui.tabs.main.StylesheetViewer; |
| import org.eclipse.wst.xsl.launching.config.LaunchTransform; |
| |
| /** |
| * The action for moving a stylesheet further up in the transformation pipeline. |
| * |
| * @author Doug Satchwell |
| */ |
| public class MoveUpAction extends AbstractStylesheetAction |
| { |
| /** |
| * Create a new instance of this. |
| * |
| * @param viewer |
| */ |
| public MoveUpAction(StylesheetViewer viewer) |
| { |
| super(ActionMessages.MoveUpAction_Text, viewer); |
| } |
| |
| @Override |
| public void run() |
| { |
| List<?> targets = getOrderedSelection(); |
| if (targets.isEmpty()) |
| { |
| return; |
| } |
| int top = 0; |
| int index = 0; |
| List<LaunchTransform> list = getEntriesAsList(); |
| Iterator<?> entries = targets.iterator(); |
| while (entries.hasNext()) |
| { |
| Object target = entries.next(); |
| index = list.indexOf(target); |
| if (index > top) |
| { |
| top = index - 1; |
| Object temp = list.get(top); |
| list.set(top, (LaunchTransform)target); |
| list.set(index, (LaunchTransform)temp); |
| } |
| top = index; |
| } |
| setEntries(list); |
| } |
| |
| @Override |
| protected boolean updateSelection(IStructuredSelection selection) |
| { |
| if (selection.isEmpty()) |
| { |
| return false; |
| } |
| return getViewer().updateSelection(getActionType(), selection) && !isIndexSelected(selection, 0); |
| } |
| |
| @Override |
| protected int getActionType() |
| { |
| return MOVE; |
| } |
| } |