Mercurial > projects > mde
annotate mde/content/Content.d @ 105:08651e8a8c51
Quit button, big changes to content system.
Moved mde.gui.content to mde.content to reflect it's not only used by the gui.
Split Content module into Content and AStringContent.
New AContent and EventContent class.
Callbacks are now generic and implemented in AContent.
Renamed TextContent to StringContent and ValueContent to AStringContent.
author | Diggory Hardy <diggory.hardy@gmail.com> |
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date | Sat, 29 Nov 2008 12:36:39 +0000 |
parents | mde/gui/content/Content.d@ee209602770d |
children | 6acd96f8685f |
rev | line source |
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61
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A little bit of progress on the content handling system (relevent code is likely to be revised).
Diggory Hardy <diggory.hardy@gmail.com>
parents:
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1 /* LICENSE BLOCK |
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A little bit of progress on the content handling system (relevent code is likely to be revised).
Diggory Hardy <diggory.hardy@gmail.com>
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2 Part of mde: a Modular D game-oriented Engine |
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A little bit of progress on the content handling system (relevent code is likely to be revised).
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3 Copyright © 2007-2008 Diggory Hardy |
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A little bit of progress on the content handling system (relevent code is likely to be revised).
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4 |
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A little bit of progress on the content handling system (relevent code is likely to be revised).
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5 This program is free software: you can redistribute it and/or modify it under the terms |
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A little bit of progress on the content handling system (relevent code is likely to be revised).
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6 of the GNU General Public License as published by the Free Software Foundation, either |
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A little bit of progress on the content handling system (relevent code is likely to be revised).
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7 version 2 of the License, or (at your option) any later version. |
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A little bit of progress on the content handling system (relevent code is likely to be revised).
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8 |
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A little bit of progress on the content handling system (relevent code is likely to be revised).
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9 This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; |
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A little bit of progress on the content handling system (relevent code is likely to be revised).
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10 without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
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A little bit of progress on the content handling system (relevent code is likely to be revised).
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11 See the GNU General Public License for more details. |
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12 |
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13 You should have received a copy of the GNU General Public License |
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14 along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
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15 |
105
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16 /** The content system − common interface and a few classes without external dependencies. |
61
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17 */ |
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18 module mde.content.Content; |
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19 |
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20 debug { |
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21 import tango.util.log.Log : Log, Logger; |
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22 private Logger logger; |
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23 static this () { |
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24 logger = Log.getLogger ("mde.content.Content"); |
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25 } |
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Boolean options are now encapsulated within a Content class (currently an experiment).
Diggory Hardy <diggory.hardy@gmail.com>
parents:
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26 } |
9520cc0448e5
Boolean options are now encapsulated within a Content class (currently an experiment).
Diggory Hardy <diggory.hardy@gmail.com>
parents:
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27 |
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Boolean options are now encapsulated within a Content class (currently an experiment).
Diggory Hardy <diggory.hardy@gmail.com>
parents:
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28 /** IContent − interface for all Content classes. |
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A little bit of progress on the content handling system (relevent code is likely to be revised).
Diggory Hardy <diggory.hardy@gmail.com>
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29 * |
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A little bit of progress on the content handling system (relevent code is likely to be revised).
Diggory Hardy <diggory.hardy@gmail.com>
parents:
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30 * Services like copy/paste could work on universal content. However, they would need to run a |
105
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Quit button, big changes to content system.
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31 * conversion to the appropriate type (or try next-oldest item on clipboard?). */ |
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A little bit of progress on the content handling system (relevent code is likely to be revised).
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32 interface IContent |
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A little bit of progress on the content handling system (relevent code is likely to be revised).
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33 { |
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Shared alignment for dynamic content lists - finally implemented! Lots of smaller changes too.
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34 /** Generically return strings. |
4d5d53e4f881
Shared alignment for dynamic content lists - finally implemented! Lots of smaller changes too.
Diggory Hardy <diggory.hardy@gmail.com>
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35 * |
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36 * This serves two purposes: generically returning a string of/related to the content (i == 0), |
9520cc0448e5
Boolean options are now encapsulated within a Content class (currently an experiment).
Diggory Hardy <diggory.hardy@gmail.com>
parents:
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37 * and returning associated descriptors. Functions should adhere to (or add to) this table. |
9520cc0448e5
Boolean options are now encapsulated within a Content class (currently an experiment).
Diggory Hardy <diggory.hardy@gmail.com>
parents:
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38 * |
9520cc0448e5
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39 * $(TABLE |
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40 * $(TR $(TH i) $(TH returns)) |
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41 * $(TR $(TD 0) $(TD value)) |
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42 * $(TR $(TD 1) $(TD Translated name or null)) |
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43 * $(TR $(TD 2) $(TD Translated description or null)) |
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44 * $(TR $(TD other) $(TD null)) |
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45 * ) */ |
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46 char[] toString (uint i); |
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A little bit of progress on the content handling system (relevent code is likely to be revised).
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47 } |
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48 |
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49 /** The base for $(I most) content classes. |
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50 * |
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51 * Includes generic callback support, toString implementation and symbol access. |
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52 * |
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53 * Derived classes should impement: |
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54 * --- |
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55 * this (char[] symbol, T val = /+ default value +/); |
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56 * void opAssign (T val); // assign val, calling callbacks |
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57 * T opCall (); // return value |
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58 * alias opCall opCast; |
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59 * --- */ |
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60 class AContent : IContent |
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42e241e7be3e
ContentList content type; getting content items/lists from Options generically via content.Items, and a new addContent widget function. Several improvements to generic handling of content. New button-with-text widget.
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61 { |
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62 this (char[] symbol) { |
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63 this.symbol = symbol; |
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64 } |
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65 |
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66 void name (char[] n, char[] d = null) { |
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Cleaned up Options.d removing old storage method. It's now possible to get a ContentList of the whole of Options.
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67 name_ = n; |
ee209602770d
Cleaned up Options.d removing old storage method. It's now possible to get a ContentList of the whole of Options.
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68 desc_ = d; |
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42e241e7be3e
ContentList content type; getting content items/lists from Options generically via content.Items, and a new addContent widget function. Several improvements to generic handling of content. New button-with-text widget.
Diggory Hardy <diggory.hardy@gmail.com>
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69 } |
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70 |
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71 /// Current implementation has 1 callback; can be changed to allow many. |
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72 EventContent addCallback (void delegate (AContent) cb) { |
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73 this.cb = cb; |
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74 return this; |
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75 } |
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76 |
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77 char[] toString (uint i) { |
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78 return i == 0 ? "No value" |
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79 : i == 1 ? name_ |
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80 : i == 2 ? desc_ |
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81 : null; |
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82 } |
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83 |
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84 /// End of an event, e.g. a button release or end of an edit (calls callbacks). |
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85 void endEvent () { |
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86 if (cb) |
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87 cb (this); |
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88 } |
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89 |
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90 final char[] symbol; // Symbol name for this content |
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91 protected: |
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92 char[] name_, desc_; // name and description |
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93 void delegate (AContent) cb; |
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94 } |
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95 |
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96 // FIXME: needs changes to allow updating translated strings. Move to Content and extend AContent? |
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97 /** A generic way to handle a list of type IContent. */ |
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98 class ContentList : AContent |
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99 { |
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100 this (char[] symbol, AContent[] list = null) { |
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101 list_.length = list.length; |
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102 foreach (i,c; list) |
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103 list_[i] = c; |
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104 super (symbol); |
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105 } |
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106 this (char[] symbol, AContent[char[]] l) { |
103
42e241e7be3e
ContentList content type; getting content items/lists from Options generically via content.Items, and a new addContent widget function. Several improvements to generic handling of content. New button-with-text widget.
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parents:
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107 list_.length = l.length; |
42e241e7be3e
ContentList content type; getting content items/lists from Options generically via content.Items, and a new addContent widget function. Several improvements to generic handling of content. New button-with-text widget.
Diggory Hardy <diggory.hardy@gmail.com>
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108 size_t i; |
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ContentList content type; getting content items/lists from Options generically via content.Items, and a new addContent widget function. Several improvements to generic handling of content. New button-with-text widget.
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109 foreach (c; l) |
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110 list_[i++] = c; |
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111 super (symbol); |
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112 } |
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113 |
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114 IContent[] list () { |
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115 return list_; |
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116 } |
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117 |
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118 protected: |
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119 final IContent[] list_; |
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120 } |
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121 |
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122 /** Created on errors to display and log a message. */ |
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123 class ErrorContent : IContent |
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124 { |
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125 this (char[] msg) { |
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126 msg_ = msg; |
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127 } |
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128 |
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129 char[] toString (uint i) { |
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130 return i == 0 ? msg_ |
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131 : i == 1 ? "Error" |
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132 : null; |
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133 } |
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134 |
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135 protected: |
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136 char[] msg_; |
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137 } |
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138 |
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139 /** A Content with no value but able to pass on an event. |
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140 * |
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141 * The point being that a button can be tied to one of these. */ |
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142 alias AContent EventContent; |