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annotate SilverlightGlimpse/Controls/BrokenBindingsViewer.xaml.cs @ 59:3591c26bd63e

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MVVMLight added
author Steven Hollidge <stevenhollidge@hotmail.com>
date Sat, 21 Apr 2012 19:20:28 +0100
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1 using System.Reflection;
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2 using System.Windows.Data;
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3 using SilverlightGlimpse.Models;
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4 using System.Windows;
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5 using System.Diagnostics;
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6 using System.Windows.Media;
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7 using SilverlightGlimpse.Services;
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8
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9 namespace SilverlightGlimpse.Controls
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10 {
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11 public partial class BrokenBindingsViewer
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12 {
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13 public BrokenBindingsViewer()
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14 {
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15 InitializeComponent();
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16 }
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17
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18 private void BrokenBindings_Loaded(object sender, RoutedEventArgs e)
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19 {
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20 this.icBrokenBindings.Items.Clear();
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21 LoadBrokenBindings(GlimpseService.CreateInstance.RootVisual);
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22 }
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23
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24 private void LoadBrokenBindings(UIElement uiElement)
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25 {
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26 var frameworkElement = uiElement as FrameworkElement;
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27
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28 if (frameworkElement != null)
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29 {
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30 foreach (var fieldInfo in frameworkElement.GetType().GetFields(BindingFlags.Public | BindingFlags.FlattenHierarchy | BindingFlags.Instance | BindingFlags.Static))
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31 {
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32 if (object.ReferenceEquals(fieldInfo.FieldType, typeof(DependencyProperty)))
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33 {
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34 var bindingExpression = frameworkElement.GetBindingExpression((DependencyProperty)fieldInfo.GetValue(null));
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35
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36 if (bindingExpression != null && bindingExpression.ParentBinding.Source == null && bindingExpression.ParentBinding.RelativeSource == null)
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37 {
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38 var isInherited = false;
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39
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40 if (frameworkElement.DataContext != null && !string.IsNullOrEmpty(bindingExpression.ParentBinding.Path.Path))
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41 {
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42 foreach (var propertyInfo in frameworkElement.DataContext.GetType().GetProperties(BindingFlags.Public | BindingFlags.FlattenHierarchy | BindingFlags.Static | BindingFlags.Instance))
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43 {
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44 if (string.Compare(propertyInfo.Name, bindingExpression.ParentBinding.Path.Path) == 0)
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45 {
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46 isInherited = true;
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47 break; // TODO: might not be correct. Was : Exit For
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48 }
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49 }
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50 }
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51
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52 if (isInherited)
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53 {
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54 break; // TODO: might not be correct. Was : Exit For
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55 }
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56
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57 //this code handles empty bindings on the Button controls
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58 //I'll have to look into why the Button has an empty or unresolved binding
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59 if (string.IsNullOrEmpty(frameworkElement.Name)
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60 && frameworkElement.GetType().Name == "TextBlock"
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61 && fieldInfo.Name == "TextProperty"
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62 && string.IsNullOrEmpty(bindingExpression.ParentBinding.Path.Path))
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63 {
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64 break; // TODO: might not be correct. Was : Exit For
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65 }
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66
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67 BrokenBinding objBrokenBinding = new BrokenBinding(
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68 frameworkElement.Name,
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69 frameworkElement.GetType().Name,
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70 fieldInfo.Name,
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71 bindingExpression.ParentBinding.Path.Path);
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72 this.icBrokenBindings.Items.Add(objBrokenBinding);
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73 Debug.WriteLine("Broken Binding - ", objBrokenBinding.ToString());
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74 }
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75 }
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76 }
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77
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78 int children = VisualTreeHelper.GetChildrenCount(frameworkElement);
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79
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80 for (int j = 0; j <= children - 1; j++)
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81 {
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82 FrameworkElement child = VisualTreeHelper.GetChild(frameworkElement, j) as FrameworkElement;
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83
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84 if (child != null)
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85 {
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86 LoadBrokenBindings(child);
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87 }
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88 }
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89 }
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90 }
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91 }
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92 }