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annotate Chronosv2/source/Services/WidgetConfigurationService.cs @ 14:741981715d94

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Initial review and translations
author stevenh7776 stevenhollidge@hotmail.com
date Tue, 21 Feb 2012 18:59:30 +0700
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1 using System;
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2 using System.Collections.Generic;
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3 using System.Configuration;
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4 using Chronos.Configuration;
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5 using Chronos.Presentation.Core.Configuration;
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6 using Chronos.Presentation.Core.Widgets;
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7 using NLog;
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8 using nRoute.Components.Composition;
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9 using nRoute.Services;
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10
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11 namespace Chronos.Services
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12 {
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13 [MapService(typeof(IWidgetConfigurationService),
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14 InitializationMode = InitializationMode.OnDemand,
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15 Lifetime = InstanceLifetime.Singleton)]
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16 public sealed class WidgetConfigurationService
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17 : IWidgetConfigurationService
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18 {
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19 #region · Logger ·
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20
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21 private static Logger Logger = LogManager.GetCurrentClassLogger();
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22
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23 #endregion
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24
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25 #region · SyncObject ·
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27 private static readonly object SyncObject = new object();
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28
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29 #endregion
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30
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31 #region · Constants ·
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32
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33 private static readonly string RootConfigFile = "Widgets.config";
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34 private static readonly string RootSection = "chronoserp.widgets";
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35
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36 #endregion
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37
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38 #region · Fields ·
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39
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40 private List<IWidget> widgets;
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41
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42 #endregion
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43
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44 #region · Constructors ·
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45
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46 public WidgetConfigurationService()
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47 {
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48 }
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49
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50 #endregion
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51
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52 #region · Methods ·
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53
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54 public IEnumerable<IWidget> GetWidgets()
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55 {
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56 lock (SyncObject)
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57 {
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58 if (this.widgets == null)
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59 {
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60 WidgetsSectionHandler section = ConfigurationManager.GetSection(RootSection) as WidgetsSectionHandler;
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61
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62 if (section != null)
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63 {
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64 this.widgets = new List<IWidget>();
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65
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66 foreach (WidgetConfigurationElement widgetConfig in section.Widgets)
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67 {
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68 IWidget widget = this.CreateWidgetDefinition(widgetConfig);
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69
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70 if (widget == null)
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71 {
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72 Logger.Debug("Widget not found {0} - {1}", widgetConfig.Id, widgetConfig.Type);
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73 }
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74 else
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75 {
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76 this.widgets.Add(widget);
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77 }
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78 }
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79 }
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80 }
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81 }
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82
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83 return this.widgets;
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84 }
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85
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86 public T GetWidgetConfigurationSection<T>(string sectionName)
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87 where T: ConfigurationSection
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88 {
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89 throw new NotImplementedException();
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90 }
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91
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92 #endregion
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93
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94 #region · Private Methods ·
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95
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96 private IWidget CreateWidgetDefinition(WidgetConfigurationElement widgetConfig)
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97 {
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98 IWidget widget = null;
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99
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100 try
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101 {
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102 widget = Activator.CreateInstance(Type.GetType(widgetConfig.Type)) as IWidget;
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103 }
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104 catch (Exception ex)
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105 {
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106 Logger.ErrorException
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107 (
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108 String.Format("Widget not found {0} - {1}", widgetConfig.Id, widgetConfig.Type),
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109 ex
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110 );
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111 }
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112
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113 return widget;
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114 }
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115
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116 #endregion
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117 }
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118 }