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1 /* |
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2 * Copyright (c) 2008 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 * Base class for all global action objects of Trace Builder |
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17 * |
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18 */ |
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19 package com.nokia.tracebuilder.action; |
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20 |
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21 import org.eclipse.core.commands.ExecutionEvent; |
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22 import org.eclipse.core.commands.ExecutionException; |
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23 import org.eclipse.core.commands.IHandler; |
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24 import org.eclipse.core.commands.IHandlerListener; |
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25 |
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26 import com.nokia.tracebuilder.engine.TraceBuilderGlobals; |
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27 import com.nokia.tracebuilder.model.TraceBuilderException; |
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28 |
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29 /** |
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30 * Base class for all global action objects of Trace Builder |
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31 * |
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32 */ |
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33 public abstract class TraceBuilderGlobalAction implements IHandler { |
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34 |
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35 /** |
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36 * Constructor |
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37 */ |
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38 public TraceBuilderGlobalAction() { |
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39 } |
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40 |
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41 /* |
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42 * (non-Javadoc) |
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43 * |
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44 * @see org.eclipse.core.commands.IHandler#addHandlerListener(org.eclipse.core |
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45 * .commands.IHandlerListener) |
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46 */ |
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47 public void addHandlerListener(IHandlerListener handlerListener) { |
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48 } |
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49 |
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50 /* |
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51 * (non-Javadoc) |
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52 * |
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53 * @see org.eclipse.core.commands.IHandler#dispose() |
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54 */ |
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55 public void dispose() { |
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56 } |
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57 |
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58 /* |
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59 * (non-Javadoc) |
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60 * |
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61 * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands. |
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62 * ExecutionEvent) |
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63 */ |
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64 public Object execute(ExecutionEvent event) throws ExecutionException { |
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65 try { |
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66 if (TraceBuilderGlobals.isViewRegistered()) { |
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67 doRun(); |
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68 } |
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69 } catch (TraceBuilderException e) { |
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70 TraceBuilderGlobals.getEvents().postError(e); |
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71 } |
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72 |
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73 return null; |
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74 } |
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75 |
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76 /* |
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77 * (non-Javadoc) |
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78 * |
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79 * @see org.eclipse.core.commands.IHandler#isEnabled() |
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80 */ |
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81 public boolean isEnabled() { |
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82 return true; |
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83 } |
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84 |
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85 /* |
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86 * (non-Javadoc) |
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87 * |
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88 * @see org.eclipse.core.commands.IHandler#isHandled() |
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89 */ |
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90 public boolean isHandled() { |
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91 return true; |
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92 } |
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93 |
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94 /* |
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95 * (non-Javadoc) |
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96 * |
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97 * @see org.eclipse.core.commands.IHandler#removeHandlerListener(org.eclipse. |
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98 * core.commands.IHandlerListener) |
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99 */ |
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100 public void removeHandlerListener(IHandlerListener handlerListener) { |
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101 } |
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102 |
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103 /** |
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104 * Runs this action |
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105 * |
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106 * @throws TraceBuilderException |
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107 * if processing fails, shows an error dialog based on the |
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108 * exception content |
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109 */ |
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110 protected abstract void doRun() throws TraceBuilderException; |
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111 |
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112 } |