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1 /* |
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2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 |
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18 |
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19 package com.nokia.s60tools.swmtanalyser.ui.graphs; |
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20 |
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21 import org.eclipse.jface.action.IAction; |
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22 |
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23 /** |
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24 * Common abstract base class for graphs that support zoom operations. |
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25 */ |
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26 public abstract class ZoomableGraph { |
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27 |
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28 |
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29 /** |
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30 * Context menu title for action: Zoom In |
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31 */ |
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32 protected static final String ZOOM_IN_CONTEXT_MENU_TITLE = "Zoom In"; |
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33 |
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34 /** |
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35 * Context menu title for action: Zoom Out |
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36 */ |
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37 protected static final String ZOOM_OUT_CONTEXT_MENU_TITLE = "Zoom Out"; |
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38 |
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39 /** |
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40 * Copy -action |
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41 */ |
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42 protected IAction copy; |
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43 |
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44 |
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45 /** |
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46 * Zoom In -action |
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47 */ |
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48 protected IAction zoomIn; |
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49 |
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50 /** |
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51 * Zoom Out -action |
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52 */ |
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53 protected IAction zoomOut; |
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54 |
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55 /** |
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56 * This method zooms in the graph area. |
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57 */ |
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58 protected abstract void zoomIn(); |
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59 |
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60 /** |
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61 * This method zooms out the graph area. |
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62 */ |
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63 protected abstract void zoomOut(); |
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64 |
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65 /** |
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66 * Sets given enable state for an action if it is non <code>null</code>. |
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67 * @param action Action to set enable status for. |
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68 * @param enableStatus <code>true</code> if enabled, otherwise <code>false</code>. |
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69 */ |
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70 protected void setEnableState(IAction action, boolean enableStatus) { |
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71 if(action != null){ |
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72 action.setEnabled(enableStatus); |
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73 } |
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74 } |
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75 } |