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@@ -1,683 +1,681 b'' | |||
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1 | 1 | // Copyright (c) IPython Development Team. |
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2 | 2 | // Distributed under the terms of the Modified BSD License. |
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3 | 3 | |
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4 | 4 | define(["widgets/js/manager", |
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5 | 5 | "underscore", |
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6 | 6 | "backbone", |
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7 | 7 | "jquery", |
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8 | 8 | "base/js/utils", |
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9 | 9 | "base/js/namespace", |
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10 | 10 | ], function(widgetmanager, _, Backbone, $, utils, IPython){ |
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11 | 11 | |
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12 | 12 | var WidgetModel = Backbone.Model.extend({ |
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13 | 13 | constructor: function (widget_manager, model_id, comm) { |
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14 | 14 | // Constructor |
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15 | 15 | // |
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16 | 16 | // Creates a WidgetModel instance. |
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17 | 17 | // |
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18 | 18 | // Parameters |
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19 | 19 | // ---------- |
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20 | 20 | // widget_manager : WidgetManager instance |
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21 | 21 | // model_id : string |
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22 | 22 | // An ID unique to this model. |
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23 | 23 | // comm : Comm instance (optional) |
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24 | 24 | this.widget_manager = widget_manager; |
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25 | 25 | this.state_change = Promise.resolve(); |
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26 | 26 | this._buffered_state_diff = {}; |
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27 | 27 | this.pending_msgs = 0; |
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28 | 28 | this.msg_buffer = null; |
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29 | 29 | this.state_lock = null; |
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30 | 30 | this.id = model_id; |
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31 | 31 | this.views = {}; |
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32 | 32 | |
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33 | 33 | if (comm !== undefined) { |
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34 | 34 | // Remember comm associated with the model. |
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35 | 35 | this.comm = comm; |
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36 | 36 | comm.model = this; |
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37 | 37 | |
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38 | 38 | // Hook comm messages up to model. |
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39 | 39 | comm.on_close($.proxy(this._handle_comm_closed, this)); |
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40 | 40 | comm.on_msg($.proxy(this._handle_comm_msg, this)); |
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41 | 41 | } |
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42 | 42 | return Backbone.Model.apply(this); |
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43 | 43 | }, |
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44 | 44 | |
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45 | 45 | send: function (content, callbacks) { |
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46 | 46 | // Send a custom msg over the comm. |
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47 | 47 | if (this.comm !== undefined) { |
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48 | 48 | var data = {method: 'custom', content: content}; |
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49 | 49 | this.comm.send(data, callbacks); |
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50 | 50 | this.pending_msgs++; |
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51 | 51 | } |
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52 | 52 | }, |
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53 | 53 | |
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54 | 54 | _handle_comm_closed: function (msg) { |
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55 | 55 | // Handle when a widget is closed. |
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56 | 56 | this.trigger('comm:close'); |
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57 | 57 | this.stopListening(); |
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58 | 58 | this.trigger('destroy', this); |
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59 | 59 | delete this.comm.model; // Delete ref so GC will collect widget model. |
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60 | 60 | delete this.comm; |
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61 | 61 | delete this.model_id; // Delete id from model so widget manager cleans up. |
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62 | 62 | for (var id in this.views) { |
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63 | 63 | if (this.views.hasOwnProperty(id)) { |
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64 | 64 | this.views[id].remove(); |
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65 | 65 | } |
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66 | 66 | } |
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67 | 67 | }, |
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68 | 68 | |
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69 | 69 | _handle_comm_msg: function (msg) { |
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70 | 70 | // Handle incoming comm msg. |
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71 | 71 | var method = msg.content.data.method; |
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72 | 72 | var that = this; |
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73 | 73 | switch (method) { |
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74 | 74 | case 'update': |
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75 | 75 | this.state_change = this.state_change.then(function() { |
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76 | 76 | return that.set_state(msg.content.data.state); |
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77 | 77 | }).catch(utils.reject("Couldn't process update msg for model id '" + String(that.id) + "'", true)); |
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78 | 78 | break; |
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79 | 79 | case 'custom': |
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80 | 80 | this.trigger('msg:custom', msg.content.data.content); |
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81 | 81 | break; |
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82 | 82 | case 'display': |
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83 | 83 | this.widget_manager.display_view(msg, this); |
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84 | 84 | break; |
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85 | 85 | } |
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86 | 86 | }, |
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87 | 87 | |
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88 | 88 | set_state: function (state) { |
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89 | 89 | var that = this; |
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90 | 90 | // Handle when a widget is updated via the python side. |
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91 | 91 | return this._unpack_models(state).then(function(state) { |
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92 | 92 | that.state_lock = state; |
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93 | 93 | try { |
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94 | 94 | WidgetModel.__super__.set.call(that, state); |
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95 | 95 | } finally { |
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96 | 96 | that.state_lock = null; |
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97 | 97 | } |
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98 | 98 | }, utils.reject("Couldn't set model state", true)); |
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99 | 99 | }, |
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100 | 100 | |
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101 | 101 | _handle_status: function (msg, callbacks) { |
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102 | 102 | // Handle status msgs. |
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103 | 103 | |
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104 | 104 | // execution_state : ('busy', 'idle', 'starting') |
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105 | 105 | if (this.comm !== undefined) { |
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106 | 106 | if (msg.content.execution_state ==='idle') { |
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107 | 107 | // Send buffer if this message caused another message to be |
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108 | 108 | // throttled. |
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109 | 109 | if (this.msg_buffer !== null && |
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110 | 110 | (this.get('msg_throttle') || 3) === this.pending_msgs) { |
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111 | 111 | var data = {method: 'backbone', sync_method: 'update', sync_data: this.msg_buffer}; |
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112 | 112 | this.comm.send(data, callbacks); |
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113 | 113 | this.msg_buffer = null; |
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114 | 114 | } else { |
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115 | 115 | --this.pending_msgs; |
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116 | 116 | } |
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117 | 117 | } |
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118 | 118 | } |
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119 | 119 | }, |
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120 | 120 | |
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121 | 121 | callbacks: function(view) { |
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122 | 122 | // Create msg callbacks for a comm msg. |
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123 | 123 | var callbacks = this.widget_manager.callbacks(view); |
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124 | 124 | |
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125 | 125 | if (callbacks.iopub === undefined) { |
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126 | 126 | callbacks.iopub = {}; |
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127 | 127 | } |
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128 | 128 | |
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129 | 129 | var that = this; |
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130 | 130 | callbacks.iopub.status = function (msg) { |
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131 | 131 | that._handle_status(msg, callbacks); |
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132 | 132 | }; |
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133 | 133 | return callbacks; |
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134 | 134 | }, |
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135 | 135 | |
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136 | 136 | set: function(key, val, options) { |
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137 | 137 | // Set a value. |
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138 | 138 | var return_value = WidgetModel.__super__.set.apply(this, arguments); |
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139 | 139 | |
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140 | 140 | // Backbone only remembers the diff of the most recent set() |
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141 | 141 | // operation. Calling set multiple times in a row results in a |
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142 | 142 | // loss of diff information. Here we keep our own running diff. |
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143 | 143 | this._buffered_state_diff = $.extend(this._buffered_state_diff, this.changedAttributes() || {}); |
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144 | 144 | return return_value; |
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145 | 145 | }, |
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146 | 146 | |
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147 | 147 | sync: function (method, model, options) { |
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148 | 148 | // Handle sync to the back-end. Called when a model.save() is called. |
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149 | 149 | |
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150 | 150 | // Make sure a comm exists. |
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151 | 151 | var error = options.error || function() { |
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152 | 152 | console.error('Backbone sync error:', arguments); |
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153 | 153 | }; |
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154 | 154 | if (this.comm === undefined) { |
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155 | 155 | error(); |
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156 | 156 | return false; |
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157 | 157 | } |
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158 | 158 | |
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159 | 159 | // Delete any key value pairs that the back-end already knows about. |
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160 | 160 | var attrs = (method === 'patch') ? options.attrs : model.toJSON(options); |
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161 | 161 | if (this.state_lock !== null) { |
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162 | 162 | var keys = Object.keys(this.state_lock); |
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163 | 163 | for (var i=0; i<keys.length; i++) { |
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164 | 164 | var key = keys[i]; |
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165 | 165 | if (attrs[key] === this.state_lock[key]) { |
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166 | 166 | delete attrs[key]; |
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167 | 167 | } |
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168 | 168 | } |
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169 | 169 | } |
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170 | 170 | |
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171 | 171 | // Only sync if there are attributes to send to the back-end. |
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172 | 172 | attrs = this._pack_models(attrs); |
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173 | 173 | if (_.size(attrs) > 0) { |
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174 | 174 | |
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175 | 175 | // If this message was sent via backbone itself, it will not |
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176 | 176 | // have any callbacks. It's important that we create callbacks |
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177 | 177 | // so we can listen for status messages, etc... |
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178 | 178 | var callbacks = options.callbacks || this.callbacks(); |
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179 | 179 | |
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180 | 180 | // Check throttle. |
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181 | 181 | if (this.pending_msgs >= (this.get('msg_throttle') || 3)) { |
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182 | 182 | // The throttle has been exceeded, buffer the current msg so |
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183 | 183 | // it can be sent once the kernel has finished processing |
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184 | 184 | // some of the existing messages. |
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185 | 185 | |
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186 | 186 | // Combine updates if it is a 'patch' sync, otherwise replace updates |
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187 | 187 | switch (method) { |
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188 | 188 | case 'patch': |
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189 | 189 | this.msg_buffer = $.extend(this.msg_buffer || {}, attrs); |
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190 | 190 | break; |
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191 | 191 | case 'update': |
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192 | 192 | case 'create': |
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193 | 193 | this.msg_buffer = attrs; |
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194 | 194 | break; |
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195 | 195 | default: |
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196 | 196 | error(); |
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197 | 197 | return false; |
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198 | 198 | } |
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199 | 199 | this.msg_buffer_callbacks = callbacks; |
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200 | 200 | |
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201 | 201 | } else { |
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202 | 202 | // We haven't exceeded the throttle, send the message like |
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203 | 203 | // normal. |
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204 | 204 | var data = {method: 'backbone', sync_data: attrs}; |
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205 | 205 | this.comm.send(data, callbacks); |
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206 | 206 | this.pending_msgs++; |
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207 | 207 | } |
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208 | 208 | } |
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209 | 209 | // Since the comm is a one-way communication, assume the message |
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210 | 210 | // arrived. Don't call success since we don't have a model back from the server |
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211 | 211 | // this means we miss out on the 'sync' event. |
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212 | 212 | this._buffered_state_diff = {}; |
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213 | 213 | }, |
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214 | 214 | |
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215 | 215 | save_changes: function(callbacks) { |
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216 | 216 | // Push this model's state to the back-end |
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217 | 217 | // |
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218 | 218 | // This invokes a Backbone.Sync. |
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219 | 219 | this.save(this._buffered_state_diff, {patch: true, callbacks: callbacks}); |
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220 | 220 | }, |
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221 | 221 | |
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222 | 222 | _pack_models: function(value) { |
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223 | 223 | // Replace models with model ids recursively. |
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224 | 224 | var that = this; |
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225 | 225 | var packed; |
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226 | 226 | if (value instanceof Backbone.Model) { |
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227 | 227 | return "IPY_MODEL_" + value.id; |
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228 | 228 | |
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229 | 229 | } else if ($.isArray(value)) { |
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230 | 230 | packed = []; |
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231 | 231 | _.each(value, function(sub_value, key) { |
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232 | 232 | packed.push(that._pack_models(sub_value)); |
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233 | 233 | }); |
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234 | 234 | return packed; |
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235 | 235 | } else if (value instanceof Date || value instanceof String) { |
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236 | 236 | return value; |
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237 | 237 | } else if (value instanceof Object) { |
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238 | 238 | packed = {}; |
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239 | 239 | _.each(value, function(sub_value, key) { |
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240 | 240 | packed[key] = that._pack_models(sub_value); |
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241 | 241 | }); |
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242 | 242 | return packed; |
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243 | 243 | |
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244 | 244 | } else { |
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245 | 245 | return value; |
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246 | 246 | } |
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247 | 247 | }, |
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248 | 248 | |
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249 | 249 | _unpack_models: function(value) { |
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250 | 250 | // Replace model ids with models recursively. |
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251 | 251 | var that = this; |
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252 | 252 | var unpacked; |
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253 | 253 | if ($.isArray(value)) { |
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254 | 254 | unpacked = []; |
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255 | 255 | _.each(value, function(sub_value, key) { |
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256 | 256 | unpacked.push(that._unpack_models(sub_value)); |
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257 | 257 | }); |
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258 | 258 | return Promise.all(unpacked); |
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259 | 259 | } else if (value instanceof Object) { |
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260 | 260 | unpacked = {}; |
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261 | 261 | _.each(value, function(sub_value, key) { |
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262 | 262 | unpacked[key] = that._unpack_models(sub_value); |
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263 | 263 | }); |
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264 | 264 | return utils.resolve_promises_dict(unpacked); |
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265 | 265 | } else if (typeof value === 'string' && value.slice(0,10) === "IPY_MODEL_") { |
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266 | 266 | // get_model returns a promise already |
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267 | 267 | return this.widget_manager.get_model(value.slice(10, value.length)); |
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268 | 268 | } else { |
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269 | 269 | return Promise.resolve(value); |
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270 | 270 | } |
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271 | 271 | }, |
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272 | 272 | |
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273 | 273 | on_some_change: function(keys, callback, context) { |
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274 | 274 | // on_some_change(["key1", "key2"], foo, context) differs from |
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275 | 275 | // on("change:key1 change:key2", foo, context). |
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276 | 276 | // If the widget attributes key1 and key2 are both modified, |
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277 | 277 | // the second form will result in foo being called twice |
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278 | 278 | // while the first will call foo only once. |
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279 | 279 | this.on('change', function() { |
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280 | 280 | if (keys.some(this.hasChanged, this)) { |
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281 | 281 | callback.apply(context); |
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282 | 282 | } |
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283 | 283 | }, this); |
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284 | 284 | |
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285 | 285 | }, |
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286 | 286 | }); |
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287 | 287 | widgetmanager.WidgetManager.register_widget_model('WidgetModel', WidgetModel); |
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288 | 288 | |
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289 | 289 | |
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290 | 290 | var WidgetView = Backbone.View.extend({ |
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291 | 291 | initialize: function(parameters) { |
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292 | 292 | // Public constructor. |
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293 | 293 | this.model.on('change',this.update,this); |
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294 | 294 | this.options = parameters.options; |
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295 | 295 | this.child_model_views = {}; |
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296 | 296 | this.child_views = {}; |
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297 | 297 | this.id = this.id || utils.uuid(); |
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298 | 298 | this.model.views[this.id] = this; |
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299 | 299 | this.on('displayed', function() { |
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300 | 300 | this.is_displayed = true; |
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301 | 301 | }, this); |
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302 | 302 | }, |
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303 | 303 | |
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304 | 304 | update: function(){ |
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305 | 305 | // Triggered on model change. |
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306 | 306 | // |
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307 | 307 | // Update view to be consistent with this.model |
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308 | 308 | }, |
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309 | 309 | |
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310 | 310 | create_child_view: function(child_model, options) { |
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311 | 311 | // Create and promise that resolves to a child view of a given model |
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312 | 312 | var that = this; |
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313 | 313 | options = $.extend({ parent: this }, options || {}); |
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314 | 314 | return this.model.widget_manager.create_view(child_model, options).then(function(child_view) { |
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315 | 315 | // Associate the view id with the model id. |
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316 | 316 | if (that.child_model_views[child_model.id] === undefined) { |
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317 | 317 | that.child_model_views[child_model.id] = []; |
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318 | 318 | } |
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319 | 319 | that.child_model_views[child_model.id].push(child_view.id); |
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320 | 320 | // Remember the view by id. |
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321 | 321 | that.child_views[child_view.id] = child_view; |
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322 | 322 | return child_view; |
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323 | 323 | }, utils.reject("Couldn't create child view")); |
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324 | 324 | }, |
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325 | 325 | |
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326 | 326 | pop_child_view: function(child_model) { |
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327 | 327 | // Delete a child view that was previously created using create_child_view. |
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328 | 328 | console.error("Deprecated pop_child_view; use a ViewList or similar class instead"); |
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329 | 329 | var view_ids = this.child_model_views[child_model.id]; |
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330 | 330 | if (view_ids !== undefined) { |
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331 | 331 | |
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332 | 332 | // Only delete the first view in the list. |
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333 | 333 | var view_id = view_ids[0]; |
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334 | 334 | var view = this.child_views[view_id]; |
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335 | 335 | delete this.child_views[view_id]; |
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336 | 336 | view_ids.splice(0,1); |
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337 | 337 | delete child_model.views[view_id]; |
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338 | 338 | |
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339 | 339 | // Remove the view list specific to this model if it is empty. |
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340 | 340 | if (view_ids.length === 0) { |
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341 | 341 | delete this.child_model_views[child_model.id]; |
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342 | 342 | } |
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343 | 343 | return view; |
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344 | 344 | } |
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345 | 345 | return null; |
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346 | 346 | }, |
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347 | 347 | |
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348 | 348 | do_diff: function(old_list, new_list, removed_callback, added_callback) { |
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349 | 349 | // Difference a changed list and call remove and add callbacks for |
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350 | 350 | // each removed and added item in the new list. |
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351 | 351 | // |
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352 | 352 | // Parameters |
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353 | 353 | // ---------- |
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354 | 354 | // old_list : array |
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355 | 355 | // new_list : array |
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356 | 356 | // removed_callback : Callback(item) |
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357 | 357 | // Callback that is called for each item removed. |
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358 | 358 | // added_callback : Callback(item) |
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359 | 359 | // Callback that is called for each item added. |
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360 | 360 | |
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361 | 361 | // Walk the lists until an unequal entry is found. |
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362 | console.error("Deprecated _do_diff; use a ViewList or similar class instead"); | |
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363 | ||
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364 | 362 | var i; |
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365 | 363 | for (i = 0; i < new_list.length; i++) { |
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366 | 364 | if (i >= old_list.length || new_list[i] !== old_list[i]) { |
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367 | 365 | break; |
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368 | 366 | } |
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369 | 367 | } |
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370 | 368 | |
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371 | 369 | // Remove the non-matching items from the old list. |
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372 | 370 | for (var j = i; j < old_list.length; j++) { |
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373 | 371 | removed_callback(old_list[j]); |
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374 | 372 | } |
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375 | 373 | |
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376 | 374 | // Add the rest of the new list items. |
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377 | 375 | for (; i < new_list.length; i++) { |
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378 | 376 | added_callback(new_list[i]); |
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379 | 377 | } |
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380 | 378 | }, |
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381 | 379 | |
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382 | 380 | callbacks: function(){ |
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383 | 381 | // Create msg callbacks for a comm msg. |
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384 | 382 | return this.model.callbacks(this); |
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385 | 383 | }, |
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386 | 384 | |
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387 | 385 | render: function(){ |
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388 | 386 | // Render the view. |
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389 | 387 | // |
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390 | 388 | // By default, this is only called the first time the view is created |
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391 | 389 | }, |
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392 | 390 | |
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393 | 391 | show: function(){ |
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394 | 392 | // Show the widget-area |
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395 | 393 | if (this.options && this.options.cell && |
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396 | 394 | this.options.cell.widget_area !== undefined) { |
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397 | 395 | this.options.cell.widget_area.show(); |
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398 | 396 | } |
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399 | 397 | }, |
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400 | 398 | |
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401 | 399 | send: function (content) { |
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402 | 400 | // Send a custom msg associated with this view. |
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403 | 401 | this.model.send(content, this.callbacks()); |
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404 | 402 | }, |
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405 | 403 | |
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406 | 404 | touch: function () { |
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407 | 405 | this.model.save_changes(this.callbacks()); |
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408 | 406 | }, |
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409 | 407 | |
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410 | 408 | after_displayed: function (callback, context) { |
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411 | 409 | // Calls the callback right away is the view is already displayed |
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412 | 410 | // otherwise, register the callback to the 'displayed' event. |
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413 | 411 | if (this.is_displayed) { |
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414 | 412 | callback.apply(context); |
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415 | 413 | } else { |
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416 | 414 | this.on('displayed', callback, context); |
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417 | 415 | } |
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418 | 416 | }, |
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419 | 417 | }); |
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420 | 418 | |
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421 | 419 | |
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422 | 420 | var DOMWidgetView = WidgetView.extend({ |
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423 | 421 | initialize: function (parameters) { |
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424 | 422 | // Public constructor |
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425 | 423 | DOMWidgetView.__super__.initialize.apply(this, [parameters]); |
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426 | 424 | this.on('displayed', this.show, this); |
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427 | 425 | this.model.on('change:visible', this.update_visible, this); |
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428 | 426 | this.model.on('change:_css', this.update_css, this); |
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429 | 427 | |
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430 | 428 | this.model.on('change:_dom_classes', function(model, new_classes) { |
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431 | 429 | var old_classes = model.previous('_dom_classes'); |
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432 | 430 | this.update_classes(old_classes, new_classes); |
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433 | 431 | }, this); |
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434 | 432 | |
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435 | 433 | this.model.on('change:color', function (model, value) { |
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436 | 434 | this.update_attr('color', value); }, this); |
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437 | 435 | |
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438 | 436 | this.model.on('change:background_color', function (model, value) { |
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439 | 437 | this.update_attr('background', value); }, this); |
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440 | 438 | |
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441 | 439 | this.model.on('change:width', function (model, value) { |
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442 | 440 | this.update_attr('width', value); }, this); |
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443 | 441 | |
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444 | 442 | this.model.on('change:height', function (model, value) { |
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445 | 443 | this.update_attr('height', value); }, this); |
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446 | 444 | |
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447 | 445 | this.model.on('change:border_color', function (model, value) { |
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448 | 446 | this.update_attr('border-color', value); }, this); |
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449 | 447 | |
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450 | 448 | this.model.on('change:border_width', function (model, value) { |
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451 | 449 | this.update_attr('border-width', value); }, this); |
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452 | 450 | |
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453 | 451 | this.model.on('change:border_style', function (model, value) { |
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454 | 452 | this.update_attr('border-style', value); }, this); |
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455 | 453 | |
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456 | 454 | this.model.on('change:font_style', function (model, value) { |
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457 | 455 | this.update_attr('font-style', value); }, this); |
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458 | 456 | |
|
459 | 457 | this.model.on('change:font_weight', function (model, value) { |
|
460 | 458 | this.update_attr('font-weight', value); }, this); |
|
461 | 459 | |
|
462 | 460 | this.model.on('change:font_size', function (model, value) { |
|
463 | 461 | this.update_attr('font-size', this._default_px(value)); }, this); |
|
464 | 462 | |
|
465 | 463 | this.model.on('change:font_family', function (model, value) { |
|
466 | 464 | this.update_attr('font-family', value); }, this); |
|
467 | 465 | |
|
468 | 466 | this.model.on('change:padding', function (model, value) { |
|
469 | 467 | this.update_attr('padding', value); }, this); |
|
470 | 468 | |
|
471 | 469 | this.model.on('change:margin', function (model, value) { |
|
472 | 470 | this.update_attr('margin', this._default_px(value)); }, this); |
|
473 | 471 | |
|
474 | 472 | this.model.on('change:border_radius', function (model, value) { |
|
475 | 473 | this.update_attr('border-radius', this._default_px(value)); }, this); |
|
476 | 474 | |
|
477 | 475 | this.after_displayed(function() { |
|
478 | 476 | this.update_visible(this.model, this.model.get("visible")); |
|
479 | 477 | this.update_classes([], this.model.get('_dom_classes')); |
|
480 | 478 | |
|
481 | 479 | this.update_attr('color', this.model.get('color')); |
|
482 | 480 | this.update_attr('background', this.model.get('background_color')); |
|
483 | 481 | this.update_attr('width', this.model.get('width')); |
|
484 | 482 | this.update_attr('height', this.model.get('height')); |
|
485 | 483 | this.update_attr('border-color', this.model.get('border_color')); |
|
486 | 484 | this.update_attr('border-width', this.model.get('border_width')); |
|
487 | 485 | this.update_attr('border-style', this.model.get('border_style')); |
|
488 | 486 | this.update_attr('font-style', this.model.get('font_style')); |
|
489 | 487 | this.update_attr('font-weight', this.model.get('font_weight')); |
|
490 | 488 | this.update_attr('font-size', this.model.get('font_size')); |
|
491 | 489 | this.update_attr('font-family', this.model.get('font_family')); |
|
492 | 490 | this.update_attr('padding', this.model.get('padding')); |
|
493 | 491 | this.update_attr('margin', this.model.get('margin')); |
|
494 | 492 | this.update_attr('border-radius', this.model.get('border_radius')); |
|
495 | 493 | |
|
496 | 494 | this.update_css(this.model, this.model.get("_css")); |
|
497 | 495 | }, this); |
|
498 | 496 | }, |
|
499 | 497 | |
|
500 | 498 | _default_px: function(value) { |
|
501 | 499 | // Makes browser interpret a numerical string as a pixel value. |
|
502 | 500 | if (/^\d+\.?(\d+)?$/.test(value.trim())) { |
|
503 | 501 | return value.trim() + 'px'; |
|
504 | 502 | } |
|
505 | 503 | return value; |
|
506 | 504 | }, |
|
507 | 505 | |
|
508 | 506 | update_attr: function(name, value) { |
|
509 | 507 | // Set a css attr of the widget view. |
|
510 | 508 | this.$el.css(name, value); |
|
511 | 509 | }, |
|
512 | 510 | |
|
513 | 511 | update_visible: function(model, value) { |
|
514 | 512 | // Update visibility |
|
515 | 513 | this.$el.toggle(value); |
|
516 | 514 | }, |
|
517 | 515 | |
|
518 | 516 | update_css: function (model, css) { |
|
519 | 517 | // Update the css styling of this view. |
|
520 | 518 | var e = this.$el; |
|
521 | 519 | if (css === undefined) {return;} |
|
522 | 520 | for (var i = 0; i < css.length; i++) { |
|
523 | 521 | // Apply the css traits to all elements that match the selector. |
|
524 | 522 | var selector = css[i][0]; |
|
525 | 523 | var elements = this._get_selector_element(selector); |
|
526 | 524 | if (elements.length > 0) { |
|
527 | 525 | var trait_key = css[i][1]; |
|
528 | 526 | var trait_value = css[i][2]; |
|
529 | 527 | elements.css(trait_key ,trait_value); |
|
530 | 528 | } |
|
531 | 529 | } |
|
532 | 530 | }, |
|
533 | 531 | |
|
534 | 532 | update_classes: function (old_classes, new_classes, $el) { |
|
535 | 533 | // Update the DOM classes applied to an element, default to this.$el. |
|
536 | 534 | if ($el===undefined) { |
|
537 | 535 | $el = this.$el; |
|
538 | 536 | } |
|
539 | 537 | this.do_diff(old_classes, new_classes, function(removed) { |
|
540 | 538 | $el.removeClass(removed); |
|
541 | 539 | }, function(added) { |
|
542 | 540 | $el.addClass(added); |
|
543 | 541 | }); |
|
544 | 542 | }, |
|
545 | 543 | |
|
546 | 544 | update_mapped_classes: function(class_map, trait_name, previous_trait_value, $el) { |
|
547 | 545 | // Update the DOM classes applied to the widget based on a single |
|
548 | 546 | // trait's value. |
|
549 | 547 | // |
|
550 | 548 | // Given a trait value classes map, this function automatically |
|
551 | 549 | // handles applying the appropriate classes to the widget element |
|
552 | 550 | // and removing classes that are no longer valid. |
|
553 | 551 | // |
|
554 | 552 | // Parameters |
|
555 | 553 | // ---------- |
|
556 | 554 | // class_map: dictionary |
|
557 | 555 | // Dictionary of trait values to class lists. |
|
558 | 556 | // Example: |
|
559 | 557 | // { |
|
560 | 558 | // success: ['alert', 'alert-success'], |
|
561 | 559 | // info: ['alert', 'alert-info'], |
|
562 | 560 | // warning: ['alert', 'alert-warning'], |
|
563 | 561 | // danger: ['alert', 'alert-danger'] |
|
564 | 562 | // }; |
|
565 | 563 | // trait_name: string |
|
566 | 564 | // Name of the trait to check the value of. |
|
567 | 565 | // previous_trait_value: optional string, default '' |
|
568 | 566 | // Last trait value |
|
569 | 567 | // $el: optional jQuery element handle, defaults to this.$el |
|
570 | 568 | // Element that the classes are applied to. |
|
571 | 569 | var key = previous_trait_value; |
|
572 | 570 | if (key === undefined) { |
|
573 | 571 | key = this.model.previous(trait_name); |
|
574 | 572 | } |
|
575 | 573 | var old_classes = class_map[key] ? class_map[key] : []; |
|
576 | 574 | key = this.model.get(trait_name); |
|
577 | 575 | var new_classes = class_map[key] ? class_map[key] : []; |
|
578 | 576 | |
|
579 | 577 | this.update_classes(old_classes, new_classes, $el || this.$el); |
|
580 | 578 | }, |
|
581 | 579 | |
|
582 | 580 | _get_selector_element: function (selector) { |
|
583 | 581 | // Get the elements via the css selector. |
|
584 | 582 | var elements; |
|
585 | 583 | if (!selector) { |
|
586 | 584 | elements = this.$el; |
|
587 | 585 | } else { |
|
588 | 586 | elements = this.$el.find(selector).addBack(selector); |
|
589 | 587 | } |
|
590 | 588 | return elements; |
|
591 | 589 | }, |
|
592 | 590 | }); |
|
593 | 591 | |
|
594 | 592 | |
|
595 | 593 | var ViewList = function(create_view, remove_view, context) { |
|
596 | 594 | // * create_view and remove_view are default functions called when adding or removing views |
|
597 | 595 | // * create_view takes a model and returns a view or a promise for a view for that model |
|
598 | 596 | // * remove_view takes a view and destroys it (including calling `view.remove()`) |
|
599 | 597 | // * each time the update() function is called with a new list, the create and remove |
|
600 | 598 | // callbacks will be called in an order so that if you append the views created in the |
|
601 | 599 | // create callback and remove the views in the remove callback, you will duplicate |
|
602 | 600 | // the order of the list. |
|
603 | 601 | // * the remove callback defaults to just removing the view (e.g., pass in null for the second parameter) |
|
604 | 602 | // * the context defaults to the created ViewList. If you pass another context, the create and remove |
|
605 | 603 | // will be called in that context. |
|
606 | 604 | |
|
607 | 605 | this.initialize.apply(this, arguments); |
|
608 | } | |
|
606 | }; | |
|
609 | 607 | |
|
610 | 608 | _.extend(ViewList.prototype, { |
|
611 | 609 | initialize: function(create_view, remove_view, context) { |
|
612 | 610 | this.state_change = Promise.resolve(); |
|
613 | 611 | this._handler_context = context || this; |
|
614 | 612 | this._models = []; |
|
615 | 613 | this.views = []; |
|
616 | 614 | this._create_view = create_view; |
|
617 | 615 | this._remove_view = remove_view || function(view) {view.remove();}; |
|
618 | 616 | }, |
|
619 | 617 | |
|
620 | 618 | update: function(new_models, create_view, remove_view, context) { |
|
621 | 619 | // the create_view, remove_view, and context arguments override the defaults |
|
622 | 620 | // specified when the list is created. |
|
623 | 621 | // returns a promise that resolves after this update is done |
|
624 | 622 | var remove = remove_view || this._remove_view; |
|
625 | 623 | var create = create_view || this._create_view; |
|
626 | 624 | var context = context || this._handler_context; |
|
627 | 625 | var added_views = []; |
|
628 | 626 | var that = this; |
|
629 | 627 | this.state_change = this.state_change.then(function() { |
|
630 | 628 | var i; |
|
631 | 629 | // first, skip past the beginning of the lists if they are identical |
|
632 | 630 | for (i = 0; i < new_models.length; i++) { |
|
633 | 631 | if (i >= that._models.length || new_models[i] !== that._models[i]) { |
|
634 | 632 | break; |
|
635 | 633 | } |
|
636 | 634 | } |
|
637 | 635 | var first_removed = i; |
|
638 | 636 | // Remove the non-matching items from the old list. |
|
639 | 637 | for (var j = first_removed; j < that._models.length; j++) { |
|
640 | 638 | remove.call(context, that.views[j]); |
|
641 | 639 | } |
|
642 | 640 | |
|
643 | 641 | // Add the rest of the new list items. |
|
644 | 642 | for (; i < new_models.length; i++) { |
|
645 | 643 | added_views.push(create.call(context, new_models[i])); |
|
646 | 644 | } |
|
647 | 645 | // make a copy of the input array |
|
648 | 646 | that._models = new_models.slice(); |
|
649 | 647 | return Promise.all(added_views, function(added) { |
|
650 | 648 | that.views = that.views.slice(0,first_removed).concat(added); |
|
651 | 649 | }); |
|
652 | 650 | }); |
|
653 | 651 | return this.state_change; |
|
654 | 652 | }, |
|
655 | 653 | |
|
656 | 654 | remove: function() { |
|
657 | 655 | // removes every view in the list; convenience function for `.update([])` |
|
658 | 656 | // that should be faster |
|
659 | 657 | // returns a promise that resolves after this removal is done |
|
660 | 658 | var that = this; |
|
661 | 659 | this.state_change = this.state_change.then(function() { |
|
662 | 660 | for (var i = 0, len=that.views.length; i <len; i++) { |
|
663 | 661 | that._remove_view.call(that._handler_context, that.views[i]); |
|
664 |
} |
|
|
662 | } | |
|
665 | 663 | that._models = []; |
|
666 | 664 | that.views = []; |
|
667 | 665 | }); |
|
668 | 666 | return this.state_change; |
|
669 | 667 | }, |
|
670 | 668 | }); |
|
671 | 669 | |
|
672 | 670 | var widget = { |
|
673 | 671 | 'WidgetModel': WidgetModel, |
|
674 | 672 | 'WidgetView': WidgetView, |
|
675 | 673 | 'DOMWidgetView': DOMWidgetView, |
|
676 | 674 | 'ViewList': ViewList, |
|
677 | 675 | }; |
|
678 | 676 | |
|
679 | 677 | // For backwards compatability. |
|
680 | 678 | $.extend(IPython, widget); |
|
681 | 679 | |
|
682 | 680 | return widget; |
|
683 | 681 | }); |
@@ -1,263 +1,264 b'' | |||
|
1 | 1 | // Copyright (c) IPython Development Team. |
|
2 | 2 | // Distributed under the terms of the Modified BSD License. |
|
3 | 3 | |
|
4 | 4 | define([ |
|
5 | 5 | "widgets/js/widget", |
|
6 | 6 | "base/js/utils", |
|
7 | 7 | "jquery", |
|
8 | 8 | "bootstrap", |
|
9 | 9 | ], function(widget, utils, $){ |
|
10 | 10 | |
|
11 | 11 | var AccordionView = widget.DOMWidgetView.extend({ |
|
12 | initialize: function(){ | |
|
13 | AccordionView.__super__.initialize.apply(this, arguments); | |
|
14 | ||
|
15 | this.containers = []; | |
|
16 | this.model_containers = {}; | |
|
17 | this.children_views = new widget.ViewList(this.add_child_model, this.remove_child_model, this); | |
|
18 | this.listenTo(this.model, 'change:children', function(model, value) { | |
|
19 | this.children_views.update(value); | |
|
20 | }, this); | |
|
21 | }, | |
|
22 | ||
|
12 | 23 | render: function(){ |
|
13 | 24 | // Called when view is rendered. |
|
14 | 25 | var guid = 'panel-group' + utils.uuid(); |
|
15 | 26 | this.$el |
|
16 | 27 | .attr('id', guid) |
|
17 | 28 | .addClass('panel-group'); |
|
18 | this.containers = []; | |
|
19 | this.model_containers = {}; | |
|
20 | this.update_children([], this.model.get('children')); | |
|
21 | this.model.on('change:children', function(model, value, options) { | |
|
22 | this.update_children(model.previous('children'), value); | |
|
23 | }, this); | |
|
24 | 29 | this.model.on('change:selected_index', function(model, value, options) { |
|
25 | 30 | this.update_selected_index(model.previous('selected_index'), value, options); |
|
26 | 31 | }, this); |
|
27 | 32 | this.model.on('change:_titles', function(model, value, options) { |
|
28 | 33 | this.update_titles(value); |
|
29 | 34 | }, this); |
|
30 | 35 | var that = this; |
|
31 | 36 | this.on('displayed', function() { |
|
32 | 37 | this.update_titles(); |
|
33 | 38 | }, this); |
|
39 | this.children_views.update(this.model.get('children')); | |
|
34 | 40 | }, |
|
35 | 41 | |
|
36 | 42 | update_titles: function(titles) { |
|
37 | 43 | // Set tab titles |
|
38 | 44 | if (!titles) { |
|
39 | 45 | titles = this.model.get('_titles'); |
|
40 | 46 | } |
|
41 | 47 | |
|
42 | 48 | var that = this; |
|
43 | 49 | _.each(titles, function(title, page_index) { |
|
44 | 50 | var accordian = that.containers[page_index]; |
|
45 | 51 | if (accordian !== undefined) { |
|
46 | 52 | accordian |
|
47 | 53 | .find('.panel-heading') |
|
48 | 54 | .find('.accordion-toggle') |
|
49 | 55 | .text(title); |
|
50 | 56 | } |
|
51 | 57 | }); |
|
52 | 58 | }, |
|
53 | 59 | |
|
54 | 60 | update_selected_index: function(old_index, new_index, options) { |
|
55 | 61 | // Only update the selection if the selection wasn't triggered |
|
56 | 62 | // by the front-end. It must be triggered by the back-end. |
|
57 | 63 | if (options === undefined || options.updated_view != this) { |
|
58 | 64 | this.containers[old_index].find('.panel-collapse').collapse('hide'); |
|
59 | 65 | if (0 <= new_index && new_index < this.containers.length) { |
|
60 | 66 | this.containers[new_index].find('.panel-collapse').collapse('show'); |
|
61 | 67 | } |
|
62 | 68 | } |
|
63 | 69 | }, |
|
64 | 70 | |
|
65 | update_children: function(old_list, new_list) { | |
|
66 | // Called when the children list is modified. | |
|
67 | this.do_diff(old_list, | |
|
68 | new_list, | |
|
69 | $.proxy(this.remove_child_model, this), | |
|
70 | $.proxy(this.add_child_model, this)); | |
|
71 | }, | |
|
72 | ||
|
73 | 71 | remove_child_model: function(model) { |
|
74 | 72 | // Called when a child is removed from children list. |
|
75 | 73 | var accordion_group = this.model_containers[model.id]; |
|
76 | 74 | this.containers.splice(accordion_group.container_index, 1); |
|
77 | 75 | delete this.model_containers[model.id]; |
|
78 | 76 | accordion_group.remove(); |
|
79 | 77 | this.pop_child_view(model); |
|
80 | 78 | }, |
|
81 | 79 | |
|
82 | 80 | add_child_model: function(model) { |
|
83 | 81 | // Called when a child is added to children list. |
|
84 | 82 | var index = this.containers.length; |
|
85 | 83 | var uuid = utils.uuid(); |
|
86 | 84 | var accordion_group = $('<div />') |
|
87 | 85 | .addClass('panel panel-default') |
|
88 | 86 | .appendTo(this.$el); |
|
89 | 87 | var accordion_heading = $('<div />') |
|
90 | 88 | .addClass('panel-heading') |
|
91 | 89 | .appendTo(accordion_group); |
|
92 | 90 | var that = this; |
|
93 | 91 | var accordion_toggle = $('<a />') |
|
94 | 92 | .addClass('accordion-toggle') |
|
95 | 93 | .attr('data-toggle', 'collapse') |
|
96 | 94 | .attr('data-parent', '#' + this.$el.attr('id')) |
|
97 | 95 | .attr('href', '#' + uuid) |
|
98 | 96 | .click(function(evt){ |
|
99 | 97 | |
|
100 | 98 | // Calling model.set will trigger all of the other views of the |
|
101 | 99 | // model to update. |
|
102 | 100 | that.model.set("selected_index", index, {updated_view: that}); |
|
103 | 101 | that.touch(); |
|
104 | 102 | }) |
|
105 | 103 | .text('Page ' + index) |
|
106 | 104 | .appendTo(accordion_heading); |
|
107 | 105 | var accordion_body = $('<div />', {id: uuid}) |
|
108 | 106 | .addClass('panel-collapse collapse') |
|
109 | 107 | .appendTo(accordion_group); |
|
110 | 108 | var accordion_inner = $('<div />') |
|
111 | 109 | .addClass('panel-body') |
|
112 | 110 | .appendTo(accordion_body); |
|
113 | 111 | var container_index = this.containers.push(accordion_group) - 1; |
|
114 | 112 | accordion_group.container_index = container_index; |
|
115 | 113 | this.model_containers[model.id] = accordion_group; |
|
116 | 114 | |
|
117 | 115 | var dummy = $('<div/>'); |
|
118 | 116 | accordion_inner.append(dummy); |
|
119 | 117 | return this.create_child_view(model).then(function(view) { |
|
120 | 118 | dummy.replaceWith(view.$el); |
|
121 | 119 | that.update(); |
|
122 | 120 | that.update_titles(); |
|
123 | 121 | |
|
124 | 122 | // Trigger the displayed event of the child view. |
|
125 | 123 | that.after_displayed(function() { |
|
126 | 124 | view.trigger('displayed'); |
|
127 | 125 | }); |
|
128 | 126 | return view; |
|
129 | 127 | }, utils.reject("Couldn't add child view to box", true)); |
|
130 | 128 | }, |
|
129 | ||
|
130 | remove: function() { | |
|
131 | AccordionView.__super__.remove.apply(this, arguments); | |
|
132 | this.children_views.remove(); | |
|
133 | }, | |
|
131 | 134 | }); |
|
132 | 135 | |
|
133 | 136 | |
|
134 | 137 | var TabView = widget.DOMWidgetView.extend({ |
|
135 | 138 | initialize: function() { |
|
136 | 139 | // Public constructor. |
|
137 | this.containers = []; | |
|
138 | 140 | TabView.__super__.initialize.apply(this, arguments); |
|
141 | ||
|
142 | this.containers = []; | |
|
143 | this.children_views = new widget.ViewList(this.add_child_model, this.remove_child_model, this); | |
|
144 | this.listenTo(this.model, 'change:children', function(model, value) { | |
|
145 | this.children_views.update(value); | |
|
146 | }, this); | |
|
139 | 147 | }, |
|
140 | 148 | |
|
141 | 149 | render: function(){ |
|
142 | 150 | // Called when view is rendered. |
|
143 | 151 | var uuid = 'tabs'+utils.uuid(); |
|
144 | 152 | var that = this; |
|
145 | 153 | this.$tabs = $('<div />', {id: uuid}) |
|
146 | 154 | .addClass('nav') |
|
147 | 155 | .addClass('nav-tabs') |
|
148 | 156 | .appendTo(this.$el); |
|
149 | 157 | this.$tab_contents = $('<div />', {id: uuid + 'Content'}) |
|
150 | 158 | .addClass('tab-content') |
|
151 | 159 | .appendTo(this.$el); |
|
152 | this.containers = []; | |
|
153 | this.update_children([], this.model.get('children')); | |
|
154 | this.model.on('change:children', function(model, value, options) { | |
|
155 | this.update_children(model.previous('children'), value); | |
|
156 | }, this); | |
|
160 | this.children_views.update(this.model.get('children')); | |
|
157 | 161 | }, |
|
158 | 162 | |
|
159 | 163 | update_attr: function(name, value) { |
|
160 | 164 | // Set a css attr of the widget view. |
|
161 | 165 | this.$tabs.css(name, value); |
|
162 | 166 | }, |
|
163 | 167 | |
|
164 | update_children: function(old_list, new_list) { | |
|
165 | // Called when the children list is modified. | |
|
166 | this.do_diff(old_list, | |
|
167 | new_list, | |
|
168 | $.proxy(this.remove_child_model, this), | |
|
169 | $.proxy(this.add_child_model, this)); | |
|
170 | }, | |
|
171 | ||
|
172 | 168 | remove_child_model: function(model) { |
|
173 | 169 | // Called when a child is removed from children list. |
|
174 | 170 | var view = this.pop_child_view(model); |
|
175 | 171 | this.containers.splice(view.parent_tab.tab_text_index, 1); |
|
176 | 172 | view.parent_tab.remove(); |
|
177 | 173 | view.parent_container.remove(); |
|
178 | 174 | view.remove(); |
|
179 | 175 | }, |
|
180 | 176 | |
|
181 | 177 | add_child_model: function(model) { |
|
182 | 178 | // Called when a child is added to children list. |
|
183 | 179 | var index = this.containers.length; |
|
184 | 180 | var uuid = utils.uuid(); |
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185 | 181 | |
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186 | 182 | var that = this; |
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187 | 183 | var tab = $('<li />') |
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188 | 184 | .css('list-style-type', 'none') |
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189 | 185 | .appendTo(this.$tabs); |
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190 | 186 | |
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191 | 187 | |
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192 | 188 | var tab_text = $('<a />') |
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193 | 189 | .attr('href', '#' + uuid) |
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194 | 190 | .attr('data-toggle', 'tab') |
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195 | 191 | .text('Page ' + index) |
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196 | 192 | .appendTo(tab) |
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197 | 193 | .click(function (e) { |
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198 | 194 | |
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199 | 195 | // Calling model.set will trigger all of the other views of the |
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200 | 196 | // model to update. |
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201 | 197 | that.model.set("selected_index", index, {updated_view: that}); |
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202 | 198 | that.touch(); |
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203 | 199 | that.select_page(index); |
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204 | 200 | }); |
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205 | 201 | tab.tab_text_index = that.containers.push(tab_text) - 1; |
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206 | 202 | |
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207 | 203 | var dummy = $('<div />'); |
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208 | 204 | var contents_div = $('<div />', {id: uuid}) |
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209 | 205 | .addClass('tab-pane') |
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210 | 206 | .addClass('fade') |
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211 | 207 | .append(dummy) |
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212 | 208 | .appendTo(that.$tab_contents); |
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213 | 209 | |
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214 | 210 | return this.create_child_view(model).then(function(view) { |
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215 | 211 | dummy.replaceWith(view.$el); |
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216 | 212 | view.parent_tab = tab; |
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217 | 213 | view.parent_container = contents_div; |
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218 | 214 | |
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219 | 215 | // Trigger the displayed event of the child view. |
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220 | 216 | that.after_displayed(function() { |
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221 | 217 | view.trigger('displayed'); |
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222 | 218 | }); |
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223 | 219 | return view; |
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224 | 220 | }, utils.reject("Couldn't add child view to box", true)); |
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225 | 221 | }, |
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226 | 222 | |
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227 | 223 | update: function(options) { |
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228 | 224 | // Update the contents of this view |
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229 | 225 | // |
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230 | 226 | // Called when the model is changed. The model may have been |
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231 | 227 | // changed by another view or by a state update from the back-end. |
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232 | 228 | if (options === undefined || options.updated_view != this) { |
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233 | 229 | // Set tab titles |
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234 | 230 | var titles = this.model.get('_titles'); |
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235 | 231 | var that = this; |
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236 | 232 | _.each(titles, function(title, page_index) { |
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237 | 233 | var tab_text = that.containers[page_index]; |
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238 | 234 | if (tab_text !== undefined) { |
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239 | 235 | tab_text.text(title); |
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240 | 236 | } |
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241 | 237 | }); |
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242 | 238 | |
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243 | 239 | var selected_index = this.model.get('selected_index'); |
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244 | 240 | if (0 <= selected_index && selected_index < this.containers.length) { |
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245 | 241 | this.select_page(selected_index); |
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246 | 242 | } |
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247 | 243 | } |
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248 | 244 | return TabView.__super__.update.apply(this); |
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249 | 245 | }, |
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250 | 246 | |
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251 | 247 | select_page: function(index) { |
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252 | 248 | // Select a page. |
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253 | 249 | this.$tabs.find('li') |
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254 | 250 | .removeClass('active'); |
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255 | 251 | this.containers[index].tab('show'); |
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256 | 252 | }, |
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253 | ||
|
254 | remove: function() { | |
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255 | TabView.__super__.remove.apply(this, arguments); | |
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256 | this.children_views.remove(); | |
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257 | }, | |
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257 | 258 | }); |
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258 | 259 | |
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259 | 260 | return { |
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260 | 261 | 'AccordionView': AccordionView, |
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261 | 262 | 'TabView': TabView, |
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262 | 263 | }; |
|
263 | 264 | }); |
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