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annotate MetroWpf/MetroWpf.Xaml/Extensions/AdornerExtensions.cs @ 113:954f66bb8dbf

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Portable library added for DTO
author adminsh@apollo
date Sat, 19 May 2012 16:21:07 +0100
parents a8b50a087544
children
rev   line source
15
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1 using System;
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2 using System.Collections.Generic;
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3 using System.Text;
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4 using System.Windows.Documents;
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5 using System.Windows;
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6 using System.Windows.Controls;
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7
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8 namespace MetroWpf.Xaml.Extensions
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9 {
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10 public static class AdornerExtensions
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11 {
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12 #region · Extension Methods ·
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13
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14 public static void TryRemoveAdorners<T>(this UIElement elem)
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15 where T : System.Windows.Documents.Adorner
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16 {
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17 AdornerLayer adornerLayer = AdornerLayer.GetAdornerLayer(elem);
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18
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19 if (adornerLayer != null)
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20 {
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21 adornerLayer.RemoveAdorners<T>(elem);
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22 }
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23 }
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24
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25 public static void RemoveAdorners<T>(this AdornerLayer adr, UIElement elem)
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26 where T : System.Windows.Documents.Adorner
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27 {
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28 System.Windows.Documents.Adorner[] adorners = adr.GetAdorners(elem);
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29
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30 if (adorners == null)
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31 {
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32 return;
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33 }
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34
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35 for (int i = adorners.Length - 1; i >= 0; i--)
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36 {
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37 if (adorners[i] is T)
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38 {
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39 adr.Remove(adorners[i]);
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40 }
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41 }
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42 }
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43
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44 public static void TryAddAdorner<T>(this UIElement elem, System.Windows.Documents.Adorner adorner)
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45 where T : System.Windows.Documents.Adorner
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46 {
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47 AdornerLayer adornerLayer = AdornerLayer.GetAdornerLayer(elem);
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48
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49 if (adornerLayer != null && !adornerLayer.ContainsAdorner<T>(elem))
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50 {
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51 adornerLayer.Add(adorner);
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52 Panel.SetZIndex(adornerLayer, Panel.GetZIndex(elem));
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53 }
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54 }
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55
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56 public static bool ContainsAdorner<T>(this AdornerLayer adr, UIElement elem)
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57 where T : System.Windows.Documents.Adorner
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58 {
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59 System.Windows.Documents.Adorner[] adorners = adr.GetAdorners(elem);
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60
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61 if (adorners == null)
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62 {
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63 return false;
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64 }
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65
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66 for (int i = adorners.Length - 1; i >= 0; i--)
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67 {
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68 if (adorners[i] is T)
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69 {
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70 return true;
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71 }
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72 }
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73
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74 return false;
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75 }
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76
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77 public static void RemoveAllAdorners(this AdornerLayer adr, UIElement elem)
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78 {
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79 System.Windows.Documents.Adorner[] adorners = adr.GetAdorners(elem);
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80
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81 if (adorners == null)
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82 {
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83 return;
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84 }
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85
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86 foreach (var toRemove in adorners)
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87 {
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88 adr.Remove(toRemove);
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89 }
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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 }