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@@ -1,376 +1,376 b'' | |||
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1 | 1 | //---------------------------------------------------------------------------- |
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2 | 2 | // Copyright (C) 2013 The IPython Development Team |
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3 | 3 | // |
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4 | 4 | // Distributed under the terms of the BSD License. The full license is in |
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5 | 5 | // the file COPYING, distributed as part of this software. |
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6 | 6 | //---------------------------------------------------------------------------- |
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7 | 7 | |
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8 | 8 | //============================================================================ |
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9 | 9 | // SelectionWidget |
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10 | 10 | //============================================================================ |
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11 | 11 | |
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12 | 12 | /** |
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13 | 13 | * @module IPython |
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14 | 14 | * @namespace IPython |
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15 | 15 | **/ |
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16 | 16 | |
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17 | 17 | define(["notebook/js/widgets/widget"], function(WidgetManager){ |
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18 | 18 | |
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19 | 19 | var DropdownView = IPython.DOMWidgetView.extend({ |
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20 | 20 | render : function(){ |
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21 | 21 | // Called when view is rendered. |
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22 | 22 | this.$el |
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23 | 23 | .addClass('widget-hbox-single'); |
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24 | 24 | this.$label = $('<div />') |
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25 | 25 | .appendTo(this.$el) |
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26 | 26 | .addClass('widget-hlabel') |
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27 | 27 | .hide(); |
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28 | 28 | this.$buttongroup = $('<div />') |
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29 | 29 | .addClass('widget_item') |
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30 | 30 | .addClass('btn-group') |
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31 | 31 | .appendTo(this.$el); |
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32 | 32 | this.$el_to_style = this.$buttongroup; // Set default element to style |
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33 | 33 | this.$droplabel = $('<button />') |
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34 | 34 | .addClass('btn') |
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35 | 35 | .addClass('widget-combo-btn') |
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36 | 36 | .text(' ') |
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37 | 37 | .appendTo(this.$buttongroup); |
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38 | 38 | this.$dropbutton = $('<button />') |
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39 | 39 | .addClass('btn') |
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40 | 40 | .addClass('dropdown-toggle') |
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41 | 41 | .addClass('widget-combo-carrot-btn') |
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42 | 42 | .attr('data-toggle', 'dropdown') |
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43 | 43 | .append($('<span />').addClass("caret")) |
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44 | 44 | .appendTo(this.$buttongroup); |
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45 | 45 | this.$droplist = $('<ul />') |
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46 | 46 | .addClass('dropdown-menu') |
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47 | 47 | .appendTo(this.$buttongroup); |
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48 | 48 | |
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49 | 49 | // Set defaults. |
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50 | 50 | this.update(); |
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51 | 51 | }, |
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52 | 52 | |
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53 | 53 | update : function(options){ |
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54 | 54 | // Update the contents of this view |
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55 | 55 | // |
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56 | 56 | // Called when the model is changed. The model may have been |
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57 | 57 | // changed by another view or by a state update from the back-end. |
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58 | 58 | |
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59 | 59 | if (options === undefined || options.updated_view != this) { |
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60 |
var selected_item_text = this.model.get(' |
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60 | var selected_item_text = this.model.get('value_name'); | |
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61 | 61 | if (selected_item_text.length === 0) { |
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62 | 62 | this.$droplabel.text(' '); |
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63 | 63 | } else { |
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64 | 64 | this.$droplabel.text(selected_item_text); |
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65 | 65 | } |
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66 | 66 | |
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67 |
var items = this.model.get(' |
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67 | var items = this.model.get('value_names'); | |
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68 | 68 | var $replace_droplist = $('<ul />') |
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69 | 69 | .addClass('dropdown-menu'); |
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70 | 70 | var that = this; |
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71 | 71 | _.each(items, function(item, i) { |
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72 | 72 | var item_button = $('<a href="#"/>') |
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73 | 73 | .text(item) |
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74 | 74 | .on('click', $.proxy(that.handle_click, that)); |
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75 | 75 | $replace_droplist.append($('<li />').append(item_button)); |
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76 | 76 | }); |
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77 | 77 | |
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78 | 78 | this.$droplist.replaceWith($replace_droplist); |
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79 | 79 | this.$droplist.remove(); |
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80 | 80 | this.$droplist = $replace_droplist; |
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81 | 81 | |
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82 | 82 | if (this.model.get('disabled')) { |
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83 | 83 | this.$buttongroup.attr('disabled','disabled'); |
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84 | 84 | this.$droplabel.attr('disabled','disabled'); |
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85 | 85 | this.$dropbutton.attr('disabled','disabled'); |
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86 | 86 | this.$droplist.attr('disabled','disabled'); |
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87 | 87 | } else { |
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88 | 88 | this.$buttongroup.removeAttr('disabled'); |
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89 | 89 | this.$droplabel.removeAttr('disabled'); |
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90 | 90 | this.$dropbutton.removeAttr('disabled'); |
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91 | 91 | this.$droplist.removeAttr('disabled'); |
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92 | 92 | } |
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93 | 93 | |
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94 | 94 | var description = this.model.get('description'); |
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95 | 95 | if (description.length === 0) { |
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96 | 96 | this.$label.hide(); |
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97 | 97 | } else { |
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98 | 98 | this.$label.text(description); |
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99 | 99 | this.$label.show(); |
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100 | 100 | } |
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101 | 101 | } |
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102 | 102 | return DropdownView.__super__.update.apply(this); |
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103 | 103 | }, |
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104 | 104 | |
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105 | 105 | handle_click: function (e) { |
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106 | 106 | // Handle when a value is clicked. |
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107 | 107 | |
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108 | 108 | // Calling model.set will trigger all of the other views of the |
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109 | 109 | // model to update. |
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110 |
this.model.set(' |
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110 | this.model.set('value_name', $(e.target).text(), {updated_view: this}); | |
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111 | 111 | this.touch(); |
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112 | 112 | }, |
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113 | 113 | |
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114 | 114 | }); |
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115 | 115 | WidgetManager.register_widget_view('DropdownView', DropdownView); |
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116 | 116 | |
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117 | 117 | |
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118 | 118 | var RadioButtonsView = IPython.DOMWidgetView.extend({ |
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119 | 119 | render : function(){ |
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120 | 120 | // Called when view is rendered. |
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121 | 121 | this.$el |
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122 | 122 | .addClass('widget-hbox'); |
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123 | 123 | this.$label = $('<div />') |
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124 | 124 | .appendTo(this.$el) |
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125 | 125 | .addClass('widget-hlabel') |
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126 | 126 | .hide(); |
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127 | 127 | this.$container = $('<div />') |
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128 | 128 | .appendTo(this.$el) |
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129 | 129 | .addClass('widget-container') |
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130 | 130 | .addClass('vbox'); |
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131 | 131 | this.$el_to_style = this.$container; // Set default element to style |
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132 | 132 | this.update(); |
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133 | 133 | }, |
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134 | 134 | |
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135 | 135 | update : function(options){ |
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136 | 136 | // Update the contents of this view |
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137 | 137 | // |
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138 | 138 | // Called when the model is changed. The model may have been |
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139 | 139 | // changed by another view or by a state update from the back-end. |
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140 | 140 | if (options === undefined || options.updated_view != this) { |
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141 | 141 | // Add missing items to the DOM. |
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142 |
var items = this.model.get(' |
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142 | var items = this.model.get('value_names'); | |
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143 | 143 | var disabled = this.model.get('disabled'); |
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144 | 144 | var that = this; |
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145 | 145 | _.each(items, function(item, index) { |
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146 | 146 | var item_query = ' :input[value="' + item + '"]'; |
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147 | 147 | if (that.$el.find(item_query).length === 0) { |
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148 | 148 | var $label = $('<label />') |
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149 | 149 | .addClass('radio') |
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150 | 150 | .text(item) |
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151 | 151 | .appendTo(that.$container); |
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152 | 152 | |
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153 | 153 | $('<input />') |
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154 | 154 | .attr('type', 'radio') |
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155 | 155 | .addClass(that.model) |
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156 | 156 | .val(item) |
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157 | 157 | .prependTo($label) |
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158 | 158 | .on('click', $.proxy(that.handle_click, that)); |
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159 | 159 | } |
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160 | 160 | |
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161 | 161 | var $item_element = that.$container.find(item_query); |
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162 |
if (that.model.get(' |
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162 | if (that.model.get('value_name') == item) { | |
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163 | 163 | $item_element.prop('checked', true); |
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164 | 164 | } else { |
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165 | 165 | $item_element.prop('checked', false); |
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166 | 166 | } |
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167 | 167 | $item_element.prop('disabled', disabled); |
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168 | 168 | }); |
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169 | 169 | |
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170 | 170 | // Remove items that no longer exist. |
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171 | 171 | this.$container.find('input').each(function(i, obj) { |
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172 | 172 | var value = $(obj).val(); |
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173 | 173 | var found = false; |
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174 | 174 | _.each(items, function(item, index) { |
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175 | 175 | if (item == value) { |
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176 | 176 | found = true; |
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177 | 177 | return false; |
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178 | 178 | } |
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179 | 179 | }); |
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180 | 180 | |
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181 | 181 | if (!found) { |
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182 | 182 | $(obj).parent().remove(); |
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183 | 183 | } |
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184 | 184 | }); |
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185 | 185 | |
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186 | 186 | var description = this.model.get('description'); |
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187 | 187 | if (description.length === 0) { |
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188 | 188 | this.$label.hide(); |
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189 | 189 | } else { |
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190 | 190 | this.$label.text(description); |
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191 | 191 | this.$label.show(); |
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192 | 192 | } |
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193 | 193 | } |
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194 | 194 | return RadioButtonsView.__super__.update.apply(this); |
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195 | 195 | }, |
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196 | 196 | |
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197 | 197 | handle_click: function (e) { |
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198 | 198 | // Handle when a value is clicked. |
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199 | 199 | |
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200 | 200 | // Calling model.set will trigger all of the other views of the |
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201 | 201 | // model to update. |
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202 |
this.model.set(' |
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202 | this.model.set('value_name', $(e.target).val(), {updated_view: this}); | |
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203 | 203 | this.touch(); |
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204 | 204 | }, |
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205 | 205 | }); |
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206 | 206 | WidgetManager.register_widget_view('RadioButtonsView', RadioButtonsView); |
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207 | 207 | |
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208 | 208 | |
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209 | 209 |
var ToggleButtonsView = IPython.DOMWidgetView.extend({ |
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210 | 210 | render : function(){ |
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211 | 211 | // Called when view is rendered. |
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212 | 212 | this.$el |
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213 | 213 | .addClass('widget-hbox-single'); |
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214 | 214 | this.$label = $('<div />') |
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215 | 215 | .appendTo(this.$el) |
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216 | 216 | .addClass('widget-hlabel') |
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217 | 217 | .hide(); |
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218 | 218 | this.$buttongroup = $('<div />') |
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219 | 219 | .addClass('btn-group') |
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220 | 220 | .attr('data-toggle', 'buttons-radio') |
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221 | 221 | .appendTo(this.$el); |
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222 | 222 | this.$el_to_style = this.$buttongroup; // Set default element to style |
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223 | 223 | this.update(); |
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224 | 224 | }, |
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225 | 225 | |
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226 | 226 | update : function(options){ |
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227 | 227 | // Update the contents of this view |
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228 | 228 | // |
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229 | 229 | // Called when the model is changed. The model may have been |
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230 | 230 | // changed by another view or by a state update from the back-end. |
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231 | 231 | if (options === undefined || options.updated_view != this) { |
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232 | 232 | // Add missing items to the DOM. |
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233 |
var items = this.model.get(' |
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233 | var items = this.model.get('value_names'); | |
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234 | 234 | var disabled = this.model.get('disabled'); |
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235 | 235 | var that = this; |
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236 | 236 | _.each(items, function(item, index) { |
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237 | 237 | var item_query = ' :contains("' + item + '")'; |
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238 | 238 | if (that.$buttongroup.find(item_query).length === 0) { |
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239 | 239 | $('<button />') |
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240 | 240 | .attr('type', 'button') |
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241 | 241 | .addClass('btn') |
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242 | 242 | .text(item) |
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243 | 243 | .appendTo(that.$buttongroup) |
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244 | 244 | .on('click', $.proxy(that.handle_click, that)); |
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245 | 245 | } |
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246 | 246 | |
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247 | 247 | var $item_element = that.$buttongroup.find(item_query); |
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248 |
if (that.model.get(' |
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248 | if (that.model.get('value_name') == item) { | |
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249 | 249 | $item_element.addClass('active'); |
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250 | 250 | } else { |
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251 | 251 | $item_element.removeClass('active'); |
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252 | 252 | } |
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253 | 253 | $item_element.prop('disabled', disabled); |
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254 | 254 | }); |
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255 | 255 | |
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256 | 256 | // Remove items that no longer exist. |
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257 | 257 | this.$buttongroup.find('button').each(function(i, obj) { |
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258 | 258 | var value = $(obj).text(); |
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259 | 259 | var found = false; |
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260 | 260 | _.each(items, function(item, index) { |
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261 | 261 | if (item == value) { |
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262 | 262 | found = true; |
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263 | 263 | return false; |
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264 | 264 | } |
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265 | 265 | }); |
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266 | 266 | |
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267 | 267 | if (!found) { |
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268 | 268 | $(obj).remove(); |
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269 | 269 | } |
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270 | 270 | }); |
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271 | 271 | |
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272 | 272 | var description = this.model.get('description'); |
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273 | 273 | if (description.length === 0) { |
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274 | 274 | this.$label.hide(); |
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275 | 275 | } else { |
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276 | 276 | this.$label.text(description); |
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277 | 277 | this.$label.show(); |
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278 | 278 | } |
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279 | 279 | } |
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280 | 280 | return ToggleButtonsView.__super__.update.apply(this); |
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281 | 281 | }, |
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282 | 282 | |
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283 | 283 | handle_click: function (e) { |
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284 | 284 | // Handle when a value is clicked. |
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285 | 285 | |
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286 | 286 | // Calling model.set will trigger all of the other views of the |
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287 | 287 | // model to update. |
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288 |
this.model.set(' |
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288 | this.model.set('value_name', $(e.target).text(), {updated_view: this}); | |
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289 | 289 | this.touch(); |
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290 | 290 | }, |
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291 | 291 | }); |
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292 | 292 | WidgetManager.register_widget_view('ToggleButtonsView', ToggleButtonsView); |
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293 | 293 | |
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294 | 294 | |
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295 | 295 | var SelectView = IPython.DOMWidgetView.extend({ |
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296 | 296 | render : function(){ |
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297 | 297 | // Called when view is rendered. |
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298 | 298 | this.$el |
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299 | 299 | .addClass('widget-hbox'); |
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300 | 300 | this.$label = $('<div />') |
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301 | 301 | .appendTo(this.$el) |
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302 | 302 | .addClass('widget-hlabel') |
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303 | 303 | .hide(); |
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304 | 304 | this.$listbox = $('<select />') |
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305 | 305 | .addClass('widget-listbox') |
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306 | 306 | .attr('size', 6) |
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307 | 307 | .appendTo(this.$el); |
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308 | 308 | this.$el_to_style = this.$listbox; // Set default element to style |
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309 | 309 | this.update(); |
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310 | 310 | }, |
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311 | 311 | |
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312 | 312 | update : function(options){ |
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313 | 313 | // Update the contents of this view |
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314 | 314 | // |
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315 | 315 | // Called when the model is changed. The model may have been |
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316 | 316 | // changed by another view or by a state update from the back-end. |
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317 | 317 | if (options === undefined || options.updated_view != this) { |
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318 | 318 | // Add missing items to the DOM. |
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319 |
var items = this.model.get(' |
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319 | var items = this.model.get('value_names'); | |
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320 | 320 | var that = this; |
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321 | 321 | _.each(items, function(item, index) { |
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322 | 322 | var item_query = ' :contains("' + item + '")'; |
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323 | 323 | if (that.$listbox.find(item_query).length === 0) { |
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324 | 324 | $('<option />') |
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325 | 325 | .text(item) |
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326 |
.attr(' |
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326 | .attr('value_name', item) | |
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327 | 327 | .appendTo(that.$listbox) |
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328 | 328 | .on('click', $.proxy(that.handle_click, that)); |
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329 | 329 | } |
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330 | 330 | }); |
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331 | 331 | |
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332 | 332 | // Select the correct element |
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333 |
this.$listbox.val(this.model.get(' |
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333 | this.$listbox.val(this.model.get('value_name')); | |
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334 | 334 | |
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335 | 335 | // Disable listbox if needed |
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336 | 336 | var disabled = this.model.get('disabled'); |
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337 | 337 | this.$listbox.prop('disabled', disabled); |
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338 | 338 | |
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339 | 339 | // Remove items that no longer exist. |
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340 | 340 | this.$listbox.find('option').each(function(i, obj) { |
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341 | 341 | var value = $(obj).text(); |
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342 | 342 | var found = false; |
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343 | 343 | _.each(items, function(item, index) { |
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344 | 344 | if (item == value) { |
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345 | 345 | found = true; |
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346 | 346 | return false; |
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347 | 347 | } |
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348 | 348 | }); |
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349 | 349 | |
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350 | 350 | if (!found) { |
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351 | 351 | $(obj).remove(); |
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352 | 352 | } |
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353 | 353 | }); |
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354 | 354 | |
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355 | 355 | var description = this.model.get('description'); |
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356 | 356 | if (description.length === 0) { |
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357 | 357 | this.$label.hide(); |
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358 | 358 | } else { |
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359 | 359 | this.$label.text(description); |
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360 | 360 | this.$label.show(); |
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361 | 361 | } |
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362 | 362 | } |
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363 | 363 | return SelectView.__super__.update.apply(this); |
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364 | 364 | }, |
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365 | 365 | |
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366 | 366 | handle_click: function (e) { |
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367 | 367 | // Handle when a value is clicked. |
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368 | 368 | |
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369 | 369 | // Calling model.set will trigger all of the other views of the |
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370 | 370 | // model to update. |
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371 |
this.model.set(' |
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371 | this.model.set('value_name', $(e.target).text(), {updated_view: this}); | |
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372 | 372 | this.touch(); |
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373 | 373 | }, |
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374 | 374 | }); |
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375 | 375 | WidgetManager.register_widget_view('SelectView', SelectView); |
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376 | 376 | }); |
@@ -1,133 +1,135 b'' | |||
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1 | 1 | // Test selection class |
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2 | 2 | casper.notebook_test(function () { |
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3 | 3 | index = this.append_cell( |
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4 | 4 | 'from IPython.html import widgets\n' + |
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5 | 5 | 'from IPython.display import display, clear_output\n' + |
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6 | 6 | 'print("Success")'); |
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7 | 7 | this.execute_cell_then(index); |
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8 | 8 | |
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9 | 9 | var combo_selector = '.widget-area .widget-subarea .widget-hbox-single .btn-group .widget-combo-btn'; |
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10 | 10 | var multibtn_selector = '.widget-area .widget-subarea .widget-hbox-single .btn-group[data-toggle="buttons-radio"]'; |
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11 | 11 | var radio_selector = '.widget-area .widget-subarea .widget-hbox .vbox'; |
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12 | 12 | var list_selector = '.widget-area .widget-subarea .widget-hbox .widget-listbox'; |
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13 | 13 | |
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14 | 14 | var selection_index; |
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15 | 15 | var selection_values = 'abcd'; |
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16 | 16 | var check_state = function(context, index, state){ |
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17 | 17 | if (0 <= index && index < selection_values.length) { |
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18 | 18 | var multibtn_state = context.cell_element_function(selection_index, multibtn_selector + ' .btn:nth-child(' + (index + 1) + ')', 'hasClass', ['active']); |
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19 | 19 | var radio_state = context.cell_element_function(selection_index, radio_selector + ' .radio:nth-child(' + (index + 1) + ') input', 'prop', ['checked']); |
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20 | 20 | var list_val = context.cell_element_function(selection_index, list_selector, 'val'); |
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21 | 21 | var combo_val = context.cell_element_function(selection_index, combo_selector, 'html'); |
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22 | 22 | |
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23 | 23 | var val = selection_values.charAt(index); |
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24 | 24 | var list_state = (val == list_val); |
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25 | 25 | var combo_state = (val == combo_val); |
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26 | 26 | |
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27 | 27 | return multibtn_state == state && |
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28 | 28 | radio_state == state && |
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29 | 29 | list_state == state && |
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30 | 30 | combo_state == state; |
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31 | 31 | } |
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32 | 32 | return true; |
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33 | 33 | }; |
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34 | 34 | |
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35 | 35 | var verify_selection = function(context, index){ |
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36 | 36 | for (var i = 0; i < selection_values.length; i++) { |
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37 | 37 | if (!check_state(context, i, i==index)) { |
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38 | 38 | return false; |
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39 | 39 | } |
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40 | 40 | } |
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41 | 41 | return true; |
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42 | 42 | }; |
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43 | 43 | |
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44 | 44 | //values=["' + selection_values + '"[i] for i in range(4)] |
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45 | 45 | selection_index = this.append_cell( |
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46 | 46 | 'values=["' + selection_values + '"[i] for i in range(4)]\n' + |
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47 | 47 | 'selection = [widgets.DropdownWidget(values=values),\n' + |
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48 | 48 | ' widgets.ToggleButtonsWidget(values=values),\n' + |
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49 | 49 | ' widgets.RadioButtonsWidget(values=values),\n' + |
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50 | 50 | ' widgets.SelectWidget(values=values)]\n' + |
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51 | 51 | '[display(selection[i]) for i in range(4)]\n' + |
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52 | 52 | 'for widget in selection:\n' + |
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53 | 53 | ' def handle_change(name,old,new):\n' + |
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54 | 54 | ' for other_widget in selection:\n' + |
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55 | 55 | ' other_widget.value = new\n' + |
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56 | 56 | ' widget.on_trait_change(handle_change, "value")\n' + |
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57 | 57 | 'print("Success")\n'); |
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58 | 58 | this.execute_cell_then(selection_index, function(index){ |
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59 | 59 | this.test.assertEquals(this.get_output_cell(index).text, 'Success\n', |
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60 | 60 | 'Create selection cell executed with correct output.'); |
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61 | 61 | |
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62 | 62 | this.test.assert(this.cell_element_exists(index, |
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63 | 63 | '.widget-area .widget-subarea'), |
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64 | 64 | 'Widget subarea exists.'); |
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65 | 65 | |
|
66 | 66 | this.test.assert(this.cell_element_exists(index, combo_selector), |
|
67 | 67 | 'Widget combobox exists.'); |
|
68 | 68 | |
|
69 | 69 | this.test.assert(this.cell_element_exists(index, multibtn_selector), |
|
70 | 70 | 'Widget multibutton exists.'); |
|
71 | 71 | |
|
72 | 72 | this.test.assert(this.cell_element_exists(index, radio_selector), |
|
73 | 73 | 'Widget radio buttons exists.'); |
|
74 | 74 | |
|
75 | 75 | this.test.assert(this.cell_element_exists(index, list_selector), |
|
76 | 76 | 'Widget list exists.'); |
|
77 | 77 | |
|
78 | 78 | // Verify that no items are selected. |
|
79 |
this.test.assert(verify_selection(this, |
|
|
79 | this.test.assert(verify_selection(this, 0), 'Default first item selected.'); | |
|
80 | 80 | }); |
|
81 | 81 | |
|
82 | 82 | index = this.append_cell( |
|
83 | 83 | 'for widget in selection:\n' + |
|
84 | 84 | ' widget.value = "a"\n' + |
|
85 | 85 | 'print("Success")\n'); |
|
86 | 86 | this.execute_cell_then(index, function(index){ |
|
87 | 87 | this.test.assertEquals(this.get_output_cell(index).text, 'Success\n', |
|
88 | 88 | 'Python select item executed with correct output.'); |
|
89 | 89 | |
|
90 | 90 | // Verify that the first item is selected. |
|
91 | 91 | this.test.assert(verify_selection(this, 0), 'Python selected'); |
|
92 | 92 | |
|
93 | 93 | // Verify that selecting a radio button updates all of the others. |
|
94 | 94 | this.cell_element_function(selection_index, radio_selector + ' .radio:nth-child(2) input', 'click'); |
|
95 | 95 | }); |
|
96 | 96 | this.wait_for_idle(); |
|
97 | 97 | this.then(function () { |
|
98 | 98 | this.test.assert(verify_selection(this, 1), 'Radio button selection updated view states correctly.'); |
|
99 | 99 | |
|
100 | 100 | // Verify that selecting a list option updates all of the others. |
|
101 | 101 | this.cell_element_function(selection_index, list_selector + ' option:nth-child(3)', 'click'); |
|
102 | 102 | }); |
|
103 | 103 | this.wait_for_idle(); |
|
104 | 104 | this.then(function () { |
|
105 | 105 | this.test.assert(verify_selection(this, 2), 'List selection updated view states correctly.'); |
|
106 | 106 | |
|
107 | 107 | // Verify that selecting a multibutton option updates all of the others. |
|
108 | 108 | this.cell_element_function(selection_index, multibtn_selector + ' .btn:nth-child(4)', 'click'); |
|
109 | 109 | }); |
|
110 | 110 | this.wait_for_idle(); |
|
111 | 111 | this.then(function () { |
|
112 | 112 | this.test.assert(verify_selection(this, 3), 'Multibutton selection updated view states correctly.'); |
|
113 | 113 | |
|
114 | 114 | // Verify that selecting a combobox option updates all of the others. |
|
115 | 115 | this.cell_element_function(selection_index, '.widget-area .widget-subarea .widget-hbox-single .btn-group ul.dropdown-menu li:nth-child(3) a', 'click'); |
|
116 | 116 | }); |
|
117 | 117 | this.wait_for_idle(); |
|
118 | 118 | this.then(function () { |
|
119 | 119 | this.test.assert(verify_selection(this, 2), 'Combobox selection updated view states correctly.'); |
|
120 | 120 | }); |
|
121 | 121 | |
|
122 | 122 | this.wait_for_idle(); |
|
123 | 123 | |
|
124 | 124 | index = this.append_cell( |
|
125 | 125 | 'for widget in selection:\n' + |
|
126 |
' |
|
|
126 | ' d = widget.values.copy()\n' + | |
|
127 | ' d["z"] = "z"\n' + | |
|
128 | ' widget.values = d\n' + | |
|
127 | 129 | 'selection[0].value = "z"'); |
|
128 | 130 | this.execute_cell_then(index, function(index){ |
|
129 | 131 | |
|
130 | 132 | // Verify that selecting a combobox option updates all of the others. |
|
131 | 133 | this.test.assert(verify_selection(this, 4), 'Item added to selection widget.'); |
|
132 | 134 | }); |
|
133 | 135 | }); No newline at end of file |
@@ -1,95 +1,119 b'' | |||
|
1 |
"""SelectionWidget class. |
|
|
1 | """SelectionWidget classes. | |
|
2 | 2 | |
|
3 | 3 | Represents an enumeration using a widget. |
|
4 | 4 | """ |
|
5 | 5 | #----------------------------------------------------------------------------- |
|
6 | 6 | # Copyright (c) 2013, the IPython Development Team. |
|
7 | 7 | # |
|
8 | 8 | # Distributed under the terms of the Modified BSD License. |
|
9 | 9 | # |
|
10 | 10 | # The full license is in the file COPYING.txt, distributed with this software. |
|
11 | 11 | #----------------------------------------------------------------------------- |
|
12 | 12 | |
|
13 | 13 | #----------------------------------------------------------------------------- |
|
14 | 14 | # Imports |
|
15 | 15 | #----------------------------------------------------------------------------- |
|
16 | ||
|
17 | from collections import OrderedDict | |
|
16 | 18 | from threading import Lock |
|
17 | 19 | |
|
18 | 20 | from .widget import DOMWidget |
|
19 | from IPython.utils.traitlets import Unicode, List, Bool, Any, Dict | |
|
21 | from IPython.utils.traitlets import Unicode, List, Bool, Any, Dict, TraitError | |
|
22 | from IPython.utils.py3compat import unicode_type | |
|
20 | 23 | |
|
21 | 24 | #----------------------------------------------------------------------------- |
|
22 | 25 | # SelectionWidget |
|
23 | 26 | #----------------------------------------------------------------------------- |
|
24 | 27 | class _SelectionWidget(DOMWidget): |
|
28 | """Base class for Selection widgets | |
|
29 | ||
|
30 | ``values`` can be specified as a list or dict. If given as a list, | |
|
31 | it will be transformed to a dict of the form ``{str(value):value}``. | |
|
32 | """ | |
|
33 | ||
|
25 | 34 |
value = Any(help="Selected value") |
|
26 |
values = |
|
|
27 | labels = List(help="""List of string representations for each value. | |
|
28 | These string representations are used to display the values in the | |
|
29 | front-end.""", sync=True) # Only synced to the back-end. | |
|
35 | values = Dict(help="""Dictionary of {name: value} the user can select. | |
|
36 | ||
|
37 | The keys of this dictionary are the strings that will be displayed in the UI, | |
|
38 | representing the actual Python choices. | |
|
39 | ||
|
40 | The keys of this dictionary are also available as value_names. | |
|
41 | """) | |
|
42 | value_name = Unicode(help="The name of the selected value", sync=True) | |
|
43 | value_names = List(Unicode, help="""Read-only list of names for each value. | |
|
44 | ||
|
45 | If values is specified as a list, this is the string representation of each element. | |
|
46 | Otherwise, it is the keys of the values dictionary. | |
|
47 | ||
|
48 | These strings are used to display the choices in the front-end.""", sync=True) | |
|
30 | 49 | disabled = Bool(False, help="Enable or disable user changes", sync=True) |
|
31 | 50 | description = Unicode(help="Description of the value this widget represents", sync=True) |
|
32 | 51 | |
|
33 | _value = Unicode(sync=True) # Bi-directionally synced. | |
|
34 | 52 | |
|
35 |
def __init__(self, * |
|
|
36 | """Constructor""" | |
|
53 | def __init__(self, *args, **kwargs): | |
|
37 | 54 | self.value_lock = Lock() |
|
38 | self.on_trait_change(self._string_value_set, ['_value']) | |
|
39 | DOMWidget.__init__(self, *pargs, **kwargs) | |
|
40 | ||
|
41 | def _labels_changed(self, name=None, old=None, new=None): | |
|
42 | """Handles when the value_names Dict has been changed. | |
|
43 | ||
|
44 | This method sets the _reverse_value_names Dict to the inverse of the new | |
|
45 | value for the value_names Dict.""" | |
|
46 | if len(new) != len(self.values): | |
|
47 | raise TypeError('Labels list must be the same size as the values list.') | |
|
55 | self._in_values_changed = False | |
|
56 | if 'values' in kwargs: | |
|
57 | values = kwargs['values'] | |
|
58 | # convert list values to an dict of {str(v):v} | |
|
59 | if isinstance(values, list): | |
|
60 | # preserve list order with an OrderedDict | |
|
61 | kwargs['values'] = OrderedDict((unicode_type(v), v) for v in values) | |
|
62 | DOMWidget.__init__(self, *args, **kwargs) | |
|
63 | ||
|
64 | def _values_changed(self, name, old, new): | |
|
65 | """Handles when the values dict has been changed. | |
|
66 | ||
|
67 | Setting values implies setting value names from the keys of the dict. | |
|
68 | """ | |
|
69 | self._in_values_changed = True | |
|
70 | try: | |
|
71 | self.value_names = list(new.keys()) | |
|
72 | finally: | |
|
73 | self._in_values_changed = False | |
|
48 | 74 | |
|
49 | def _values_changed(self, name=None, old=None, new=None): | |
|
50 | """Handles when the value_names Dict has been changed. | |
|
75 | # ensure that the chosen value is one of the choices | |
|
76 | if self.value not in new.values(): | |
|
77 | self.value = next(iter(new.values())) | |
|
51 | 78 | |
|
52 | This method sets the _reverse_value_names Dict to the inverse of the new | |
|
53 | value for the value_names Dict.""" | |
|
54 | if len(new) != len(self.labels): | |
|
55 | self.labels = [(self.labels[i] if i < len(self.labels) else str(v)) for i, v in enumerate(new)] | |
|
79 | def _value_names_changed(self, name, old, new): | |
|
80 | if not self._in_values_changed: | |
|
81 | raise TraitError("value_names is a read-only proxy to values.keys(). Use the values dict instead.") | |
|
56 | 82 | |
|
57 | 83 | def _value_changed(self, name, old, new): |
|
58 | 84 | """Called when value has been changed""" |
|
59 | 85 | if self.value_lock.acquire(False): |
|
60 | 86 | try: |
|
61 | # Make sure the value is in the list of values. | |
|
62 |
|
|
|
63 | # Set the string version of the value. | |
|
64 | self._value = self.labels[self.values.index(new)] | |
|
65 | else: | |
|
66 | raise TypeError('Value must be a value in the values list.') | |
|
87 | # Reverse dictionary lookup for the value name | |
|
88 | for k,v in self.values.items(): | |
|
89 | if new == v: | |
|
90 | # set the selected value name | |
|
91 | self.value_name = k | |
|
92 | return | |
|
93 | raise KeyError(new) | |
|
67 | 94 | finally: |
|
68 | 95 | self.value_lock.release() |
|
69 | 96 | |
|
70 |
def |
|
|
71 |
"""Called when |
|
|
97 | def _value_name_changed(self, name, old, new): | |
|
98 | """Called when the value name has been changed (typically by the frontend).""" | |
|
72 | 99 | if self.value_lock.acquire(False): |
|
73 | 100 | try: |
|
74 |
|
|
|
75 | self.value = self.values[self.labels.index(new)] | |
|
76 | else: | |
|
77 | self.value = None | |
|
101 | self.value = self.values[new] | |
|
78 | 102 | finally: |
|
79 | 103 | self.value_lock.release() |
|
80 | 104 | |
|
81 | 105 | |
|
82 | 106 | class ToggleButtonsWidget(_SelectionWidget): |
|
83 | 107 | _view_name = Unicode('ToggleButtonsView', sync=True) |
|
84 | 108 | |
|
85 | 109 | |
|
86 | 110 | class DropdownWidget(_SelectionWidget): |
|
87 | 111 | _view_name = Unicode('DropdownView', sync=True) |
|
88 | 112 | |
|
89 | 113 | |
|
90 | 114 | class RadioButtonsWidget(_SelectionWidget): |
|
91 | 115 | _view_name = Unicode('RadioButtonsView', sync=True) |
|
92 | 116 | |
|
93 | 117 | |
|
94 | 118 | class SelectWidget(_SelectionWidget): |
|
95 | 119 | _view_name = Unicode('SelectView', sync=True) |
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