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2287 | - | 1 | |
2 | namespace GMap.NET |
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3 | { |
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4 | using System; |
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5 | using System.Collections.Generic; |
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6 | using System.Runtime.Serialization; |
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7 | using GMap.NET.MapProviders; |
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8 | |||
9 | /// <summary> |
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10 | /// represents route of map |
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11 | /// </summary> |
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12 | [Serializable] |
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13 | #if !PocketPC |
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14 | public class MapRoute : ISerializable, IDeserializationCallback |
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15 | #else |
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16 | public class MapRoute |
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17 | #endif |
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18 | { |
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19 | /// <summary> |
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20 | /// points of route |
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21 | /// </summary> |
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22 | public readonly List<PointLatLng> Points = new List<PointLatLng>(); |
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23 | |||
24 | /// <summary> |
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25 | /// route info |
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26 | /// </summary> |
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27 | public string Name; |
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28 | |||
29 | /// <summary> |
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30 | /// custom object |
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31 | /// </summary> |
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32 | public object Tag; |
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33 | |||
34 | /// <summary> |
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35 | /// route start point |
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36 | /// </summary> |
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37 | public PointLatLng? From |
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38 | { |
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39 | get |
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40 | { |
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41 | if(Points.Count > 0) |
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42 | { |
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43 | return Points[0]; |
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44 | } |
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45 | |||
46 | return null; |
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47 | } |
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48 | } |
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49 | |||
50 | /// <summary> |
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51 | /// route end point |
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52 | /// </summary> |
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53 | public PointLatLng? To |
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54 | { |
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55 | get |
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56 | { |
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57 | if(Points.Count > 1) |
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58 | { |
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59 | return Points[Points.Count - 1]; |
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60 | } |
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61 | |||
62 | return null; |
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63 | } |
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64 | } |
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65 | |||
66 | public MapRoute(string name) |
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67 | { |
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68 | Name = name; |
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69 | } |
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70 | |||
71 | public MapRoute(IEnumerable<PointLatLng> points, string name) |
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72 | { |
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73 | Points.AddRange(points); |
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74 | Name = name; |
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75 | } |
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76 | |||
77 | /// <summary> |
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78 | /// route distance (in km) |
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79 | /// </summary> |
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80 | public double Distance |
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81 | { |
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82 | get |
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83 | { |
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84 | double distance = 0.0; |
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85 | |||
86 | if(From.HasValue && To.HasValue) |
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87 | { |
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88 | for(int i = 1; i < Points.Count; i++) |
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89 | { |
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90 | distance += GMapProviders.EmptyProvider.Projection.GetDistance(Points[i - 1], Points[i]); |
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91 | } |
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92 | } |
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93 | |||
94 | return distance; |
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95 | } |
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96 | } |
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97 | |||
98 | /// <summary> |
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99 | /// clears points and sets tag and name to null |
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100 | /// </summary> |
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101 | public void Clear() |
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102 | { |
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103 | Points.Clear(); |
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104 | Tag = null; |
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105 | Name = null; |
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106 | } |
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107 | |||
108 | #if !PocketPC |
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109 | #region ISerializable Members |
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110 | |||
111 | // Temp store for de-serialization. |
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112 | private PointLatLng[] deserializedPoints; |
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113 | |||
114 | /// <summary> |
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115 | /// Populates a <see cref="T:System.Runtime.Serialization.SerializationInfo"/> with the data needed to serialize the target object. |
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116 | /// </summary> |
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117 | /// <param name="info">The <see cref="T:System.Runtime.Serialization.SerializationInfo"/> to populate with data.</param> |
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118 | /// <param name="context">The destination (see <see cref="T:System.Runtime.Serialization.StreamingContext"/>) for this serialization.</param> |
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119 | /// <exception cref="T:System.Security.SecurityException"> |
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120 | /// The caller does not have the required permission. |
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121 | /// </exception> |
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122 | public virtual void GetObjectData(SerializationInfo info, StreamingContext context) |
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123 | { |
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124 | info.AddValue("Name", this.Name); |
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125 | info.AddValue("Tag", this.Tag); |
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126 | info.AddValue("Points", this.Points.ToArray()); |
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127 | } |
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128 | |||
129 | /// <summary> |
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130 | /// Initializes a new instance of the <see cref="MapRoute"/> class. |
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131 | /// </summary> |
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132 | /// <param name="info">The info.</param> |
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133 | /// <param name="context">The context.</param> |
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134 | protected MapRoute(SerializationInfo info, StreamingContext context) |
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135 | { |
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136 | this.Name = info.GetString("Name"); |
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137 | this.Tag = Extensions.GetValue<object>(info, "Tag", null); |
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138 | this.deserializedPoints = Extensions.GetValue<PointLatLng[]>(info, "Points"); |
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139 | this.Points = new List<PointLatLng>(); |
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140 | } |
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141 | |||
142 | #endregion |
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143 | |||
144 | #region IDeserializationCallback Members |
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145 | |||
146 | /// <summary> |
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147 | /// Runs when the entire object graph has been de-serialized. |
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148 | /// </summary> |
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149 | /// <param name="sender">The object that initiated the callback. The functionality for this parameter is not currently implemented.</param> |
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150 | public virtual void OnDeserialization(object sender) |
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151 | { |
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152 | // Accounts for the de-serialization being breadth first rather than depth first. |
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153 | Points.AddRange(deserializedPoints); |
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154 | Points.TrimExcess(); |
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155 | } |
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156 | |||
157 | #endregion |
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158 | #endif |
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159 | } |
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160 | } |