1 /*******************************************************************************
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2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
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3 * in Industry THTH ry.
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4 * All rights reserved. This program and the accompanying materials
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5 * are made available under the terms of the Eclipse Public License v1.0
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6 * which accompanies this distribution, and is available at
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7 * http://www.eclipse.org/legal/epl-v10.html
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10 * VTT Technical Research Centre of Finland - initial API and implementation
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11 *******************************************************************************/
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12 package org.simantics.diagram.symbollibrary.ui;
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14 import org.eclipse.core.commands.AbstractHandler;
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15 import org.eclipse.core.commands.ExecutionEvent;
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16 import org.eclipse.core.commands.ExecutionException;
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17 import org.eclipse.swt.widgets.Control;
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18 import org.eclipse.ui.IWorkbenchPart;
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19 import org.eclipse.ui.handlers.HandlerUtil;
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20 import org.eclipse.ui.part.IPage;
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21 import org.eclipse.ui.part.PageBookView;
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24 * @author Tuukka Lehtonen
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26 public class ActivateFilterHandler extends AbstractHandler {
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28 FilterArea getFilterArea(IWorkbenchPart part) {
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29 if (part instanceof SymbolLibraryView) {
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30 SymbolLibraryView slv = (SymbolLibraryView) part;
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31 return slv.getFilterArea();
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33 if (part instanceof SymbolPageView) {
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34 PageBookView pv = (PageBookView) part;
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35 IPage page = pv.getCurrentPage();
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36 Control ctrl = page.getControl();
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37 if (ctrl instanceof SymbolLibraryComposite) {
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38 return ((SymbolLibraryComposite) ctrl).getFilterArea();
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45 public Object execute(ExecutionEvent event) throws ExecutionException {
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46 IWorkbenchPart part = HandlerUtil.getActivePartChecked(event);
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47 FilterArea filter = getFilterArea(part);
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48 if (filter != null && !filter.isDisposed())
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