1 | using System;
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2 | using System.ComponentModel;
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3 | using System.Drawing;
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4 | namespace Netron.Diagramming.Core {
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5 | /// <summary>
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6 | /// Abstract base class for all descriptors of diagram entities inheriting from <see cref="DiagramEntityBase"/>.
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7 | /// This descriptor collects all properties common to all the entities inheriting from the <see cref="IDiagramEntity"/> interface.
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8 | /// </summary>
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9 | abstract class DiagramEntityBaseDescriptor : DescriptorBase {
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10 |
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11 | #region Constants
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12 | /// <summary>
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13 | /// the 'Layout' section
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14 | /// </summary>
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15 | protected const string constLayout = "Layout";
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16 | /// <summary>
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17 | /// the 'General' section
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18 | /// </summary>
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19 | protected const string constGeneral = "General";
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20 | /// <summary>
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21 | /// the 'content' section
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22 | /// </summary>
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23 | protected const string constContent = "Content";
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24 | #endregion
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25 |
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26 | #region Fields
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27 |
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28 | #endregion
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29 |
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30 | #region Properties
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31 |
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32 | #endregion
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33 |
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34 | #region Constructor
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35 | /// <summary>
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36 | /// Initializes a new instance of the <see cref="DiagramEntityBaseDescriptor"/> class.
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37 | /// </summary>
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38 | /// <param name="provider">The provider.</param>
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39 | /// <param name="objectType">Type of the object.</param>
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40 | public DiagramEntityBaseDescriptor(TypeDescriptionProvider provider, Type objectType)
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41 | : base(provider, objectType) {
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42 | AddBaseProperties();
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43 | }
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44 | #endregion
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45 |
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46 | #region Methods
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47 | /// <summary>
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48 | /// Adds the base properties of the <see cref="ShapeBase"/>
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49 | /// </summary>
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50 | private void AddBaseProperties() {
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51 | this.AddProperty("Entity Name", typeof(string), constGeneral, "The name of the type");
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52 | this.AddProperty("Name", typeof(string), constGeneral, "The name of the entity");
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53 | this.AddProperty("Rectangle", typeof(Rectangle), constLayout, "The bounding rectangle of the entity");
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54 | this.AddProperty("Scene index", typeof(int), constLayout, "The index of the entity in the scane graph.");
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55 | this.AddProperty("Tag", typeof(object), constLayout, "General purpose tag.");
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56 | }
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57 |
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58 |
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59 | /// <summary>
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60 | /// Override this method to return the appropriate value corresponding to the property
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61 | /// </summary>
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62 | /// <param name="sender"></param>
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63 | /// <param name="e"></param>
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64 | protected override void GetValue(object sender, PropertyEventArgs e) {
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65 | switch (e.Name.ToLower()) {
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66 | case "entity name":
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67 | e.Value = (e.Component as DiagramEntityBase).EntityName;
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68 | break;
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69 | case "name":
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70 | e.Value = (e.Component as DiagramEntityBase).Name;
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71 | break;
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72 | case "rectangle":
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73 | e.Value = (e.Component as DiagramEntityBase).Rectangle;
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74 | break;
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75 | case "scene index":
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76 | e.Value = (e.Component as DiagramEntityBase).SceneIndex;
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77 | break;
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78 | case "tag":
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79 | e.Value = (e.Component as DiagramEntityBase).Tag;
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80 | break;
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81 | }
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82 |
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83 |
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84 | }
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85 |
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86 |
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87 |
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88 | /// <summary>
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89 | /// Override this method to set the appropriate value corresponding to the property
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90 | /// </summary>
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91 | /// <param name="sender"></param>
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92 | /// <param name="e"></param>
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93 | protected override void SetValue(object sender, PropertyEventArgs e) {
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94 | switch (e.Name.ToLower()) {
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95 | case "name":
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96 | (e.Component as DiagramEntityBase).Name = (string)e.Value;
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97 | break;
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98 | case "tag":
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99 | (e.Component as DiagramEntityBase).Tag = (object)e.Value;
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100 | break;
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101 | }
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102 | }
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103 |
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104 |
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105 | #endregion
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106 | }
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107 | }
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