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@@ -1,491 +1,491 | |||
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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([ |
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5 | 5 | "widgets/js/widget", |
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6 | 6 | "jqueryui", |
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7 | 7 | "base/js/keyboard", |
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8 | 8 | "bootstrap" |
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9 | 9 | ], function(widget, $, keyboard){ |
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10 | 10 | |
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11 | 11 | var IntSliderView = widget.DOMWidgetView.extend({ |
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12 | 12 | render : function(){ |
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13 | 13 | /** |
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14 | 14 | * Called when view is rendered. |
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15 | 15 | */ |
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16 | 16 | this.$el |
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17 | 17 | .addClass('widget-hbox widget-slider'); |
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18 | 18 | this.$label = $('<div />') |
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19 | 19 | .appendTo(this.$el) |
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20 | 20 | .addClass('widget-label') |
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21 | 21 | .hide(); |
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22 | 22 | |
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23 | 23 | this.$slider = $('<div />') |
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24 | 24 | .slider({}) |
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25 | 25 | .addClass('slider'); |
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26 | 26 | // Put the slider in a container |
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27 | 27 | this.$slider_container = $('<div />') |
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28 | 28 | .addClass('widget-hslider') |
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29 | 29 | .append(this.$slider); |
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30 | 30 | this.$el.append(this.$slider_container); |
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31 | 31 | |
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32 | 32 | this.$readout = $('<div/>') |
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33 | 33 | .appendTo(this.$el) |
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34 | 34 | .addClass('widget-readout') |
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35 | 35 | .attr('contentEditable', true) |
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36 | 36 | .hide(); |
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37 | 37 | |
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38 | 38 | this.model.on('change:slider_color', function(sender, value) { |
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39 | 39 | this.$slider.find('a').css('background', value); |
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40 | 40 | }, this); |
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41 | 41 | this.$slider.find('a').css('background', this.model.get('slider_color')); |
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42 | 42 | |
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43 | 43 | // Set defaults. |
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44 | 44 | this.update(); |
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45 | 45 | }, |
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46 | 46 | |
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47 | 47 | update_attr: function(name, value) { |
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48 | 48 | /** |
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49 | 49 | * Set a css attr of the widget view. |
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50 | 50 | */ |
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51 | 51 | if (name == 'color') { |
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52 | 52 | this.$readout.css(name, value); |
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53 | 53 | } else if (name.substring(0, 4) == 'font') { |
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54 | 54 | this.$readout.css(name, value); |
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55 | 55 | } else if (name.substring(0, 6) == 'border') { |
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56 | 56 | this.$slider.find('a').css(name, value); |
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57 | 57 | this.$slider_container.css(name, value); |
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58 | 58 | } else if (name == 'width' || name == 'height' || name == 'background') { |
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59 | 59 | this.$slider_container.css(name, value); |
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60 | 60 | } else if (name == 'padding' || name == 'margin') { |
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61 | 61 | this.$el.css(name, value); |
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62 | 62 | } else { |
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63 | 63 | this.$slider.css(name, value); |
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64 | 64 | } |
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65 | 65 | }, |
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66 | 66 | |
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67 | 67 | update : function(options){ |
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68 | 68 | /** |
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69 | 69 | * Update the contents of this view |
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70 | 70 | * |
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71 | 71 | * Called when the model is changed. The model may have been |
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72 | 72 | * changed by another view or by a state update from the back-end. |
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73 | 73 | */ |
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74 | 74 | if (options === undefined || options.updated_view != this) { |
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75 | 75 | // JQuery slider option keys. These keys happen to have a |
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76 | 76 | // one-to-one mapping with the corrosponding keys of the model. |
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77 | 77 | var jquery_slider_keys = ['step', 'disabled']; |
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78 | 78 | var that = this; |
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79 | 79 | that.$slider.slider({}); |
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80 | 80 | _.each(jquery_slider_keys, function(key, i) { |
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81 | 81 | var model_value = that.model.get(key); |
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82 | 82 | if (model_value !== undefined) { |
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83 | 83 | that.$slider.slider("option", key, model_value); |
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84 | 84 | } |
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85 | 85 | }); |
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86 | 86 | |
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87 | 87 | var max = this.model.get('max'); |
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88 | 88 | var min = this.model.get('min'); |
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89 | 89 | if (min <= max) { |
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90 | 90 | if (max !== undefined) this.$slider.slider('option', 'max', max); |
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91 | 91 | if (min !== undefined) this.$slider.slider('option', 'min', min); |
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92 | 92 | } |
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93 | 93 | |
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94 | 94 | var range_value = this.model.get("_range"); |
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95 | 95 | if (range_value !== undefined) { |
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96 | 96 | this.$slider.slider("option", "range", range_value); |
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97 | 97 | } |
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98 | 98 | |
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99 | 99 | // WORKAROUND FOR JQUERY SLIDER BUG. |
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100 | 100 | // The horizontal position of the slider handle |
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101 | 101 | // depends on the value of the slider at the time |
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102 | 102 | // of orientation change. Before applying the new |
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103 | 103 | // workaround, we set the value to the minimum to |
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104 | 104 | // make sure that the horizontal placement of the |
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105 | 105 | // handle in the vertical slider is always |
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106 | 106 | // consistent. |
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107 | 107 | var orientation = this.model.get('orientation'); |
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108 | 108 | var min = this.model.get('min'); |
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109 | 109 | var max = this.model.get('max'); |
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110 | 110 | if (this.model.get('_range')) { |
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111 | 111 | this.$slider.slider('option', 'values', [min, min]); |
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112 | 112 | } else { |
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113 | 113 | this.$slider.slider('option', 'value', min); |
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114 | 114 | } |
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115 | 115 | this.$slider.slider('option', 'orientation', orientation); |
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116 | 116 | var value = this.model.get('value'); |
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117 | 117 | if (this.model.get('_range')) { |
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118 | 118 | // values for the range case are validated python-side in |
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119 | 119 | // _Bounded{Int,Float}RangeWidget._validate |
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120 | 120 | this.$slider.slider('option', 'values', value); |
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121 | 121 | this.$readout.text(value.join("-")); |
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122 | 122 | } else { |
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123 | 123 | if(value > max) { |
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124 | 124 | value = max; |
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125 | 125 | } |
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126 | 126 | else if(value < min){ |
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127 | 127 | value = min; |
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128 | 128 | } |
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129 | 129 | this.$slider.slider('option', 'value', value); |
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130 | 130 | this.$readout.text(value); |
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131 | 131 | } |
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132 | 132 | |
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133 | 133 | if(this.model.get('value')!=value) { |
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134 | 134 | this.model.set('value', value, {updated_view: this}); |
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135 | 135 | this.touch(); |
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136 | 136 | } |
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137 | 137 | |
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138 | 138 | // Use the right CSS classes for vertical & horizontal sliders |
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139 | 139 | if (orientation=='vertical') { |
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140 | 140 | this.$slider_container |
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141 | 141 | .removeClass('widget-hslider') |
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142 | 142 | .addClass('widget-vslider'); |
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143 | 143 | this.$el |
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144 | 144 | .removeClass('widget-hbox') |
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145 | 145 | .addClass('widget-vbox'); |
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146 | 146 | |
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147 | 147 | } else { |
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148 | 148 | this.$slider_container |
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149 | 149 | .removeClass('widget-vslider') |
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150 | 150 | .addClass('widget-hslider'); |
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151 | 151 | this.$el |
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152 | 152 | .removeClass('widget-vbox') |
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153 | 153 | .addClass('widget-hbox'); |
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154 | 154 | } |
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155 | 155 | |
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156 | 156 | var description = this.model.get('description'); |
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157 | 157 | if (description.length === 0) { |
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158 | 158 | this.$label.hide(); |
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159 | 159 | } else { |
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160 | 160 | this.typeset(this.$label, description); |
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161 | 161 | this.$label.show(); |
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162 | 162 | } |
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163 | 163 | |
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164 | 164 | var readout = this.model.get('readout'); |
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165 | 165 | if (readout) { |
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166 | 166 | this.$readout.show(); |
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167 | 167 | } else { |
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168 | 168 | this.$readout.hide(); |
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169 | 169 | } |
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170 | 170 | } |
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171 | 171 | return IntSliderView.__super__.update.apply(this); |
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172 | 172 | }, |
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173 | 173 | |
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174 | 174 | events: { |
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175 | 175 | // Dictionary of events and their handlers. |
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176 | 176 | "slide" : "handleSliderChange", |
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177 | 177 | "blur [contentEditable=true]": "handleTextChange", |
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178 | 178 | "keydown [contentEditable=true]": "handleKeyDown" |
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179 | 179 | }, |
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180 | 180 | |
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181 | 181 | handleKeyDown: function(e) { |
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182 | 182 | if (e.keyCode == keyboard.keycodes.enter) { |
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183 | 183 | e.preventDefault(); |
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184 | 184 | this.handleTextChange(); |
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185 | 185 | } |
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186 | 186 | }, |
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187 | 187 | |
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188 | 188 | handleTextChange: function() { |
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189 | 189 | /** |
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190 | 190 | * this handles the entry of text into the contentEditable label |
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191 | 191 | * first, the value is checked if it contains a parseable number |
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192 | 192 | * (or pair of numbers, for the _range case) |
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193 | 193 | * then it is clamped within the min-max range of the slider |
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194 | 194 | * finally, the model is updated if the value is to be changed |
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195 | 195 | * |
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196 | 196 | * if any of these conditions are not met, the text is reset |
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197 | 197 | * |
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198 | 198 | * the step size is not enforced |
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199 | 199 | */ |
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200 | 200 | |
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201 | 201 | var text = this.$readout.text(); |
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202 | 202 | var vmin = this.model.get('min'); |
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203 | 203 | var vmax = this.model.get('max'); |
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204 | 204 | if (this.model.get("_range")) { |
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205 | 205 | // range case |
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206 | 206 | // ranges can be expressed either "val-val" or "val:val" (+spaces) |
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207 | 207 | var match = this._range_regex.exec(text); |
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208 | 208 | if (match) { |
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209 | 209 | var values = [this._parse_value(match[1]), |
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210 | 210 | this._parse_value(match[2])]; |
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211 | 211 | // reject input where NaN or lower > upper |
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212 | 212 | if (isNaN(values[0]) || |
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213 | 213 | isNaN(values[1]) || |
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214 | 214 | (values[0] > values[1])) { |
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215 | 215 | this.$readout.text(this.model.get('value').join('-')); |
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216 | 216 | } else { |
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217 | 217 | // clamp to range |
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218 | 218 | values = [Math.max(Math.min(values[0], vmax), vmin), |
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219 | 219 | Math.max(Math.min(values[1], vmax), vmin)]; |
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220 | 220 | |
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221 | 221 | if ((values[0] != this.model.get('value')[0]) || |
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222 | 222 | (values[1] != this.model.get('value')[1])) { |
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223 | 223 | this.$readout.text(values.join('-')); |
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224 | 224 | this.model.set('value', values, {updated_view: this}); |
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225 | 225 | this.touch(); |
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226 | 226 | } else { |
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227 | 227 | this.$readout.text(this.model.get('value').join('-')); |
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228 | 228 | } |
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229 | 229 | } |
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230 | 230 | } else { |
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231 | 231 | this.$readout.text(this.model.get('value').join('-')); |
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232 | 232 | } |
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233 | 233 | } else { |
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234 | 234 | // single value case |
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235 | 235 | var value = this._parse_value(text); |
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236 | 236 | if (isNaN(value)) { |
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237 | 237 | this.$readout.text(this.model.get('value')); |
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238 | 238 | } else { |
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239 | 239 | value = Math.max(Math.min(value, vmax), vmin); |
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240 | 240 | |
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241 | 241 | if (value != this.model.get('value')) { |
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242 | 242 | this.$readout.text(value); |
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243 | 243 | this.model.set('value', value, {updated_view: this}); |
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244 | 244 | this.touch(); |
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245 | 245 | } else { |
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246 | 246 | this.$readout.text(this.model.get('value')); |
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247 | 247 | } |
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248 | 248 | } |
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249 | 249 | } |
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250 | 250 | }, |
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251 | 251 | |
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252 | 252 | _parse_value: parseInt, |
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253 | 253 | |
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254 | 254 | _range_regex: /^\s*([+-]?\d+)\s*[-:]\s*([+-]?\d+)/, |
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255 | 255 | |
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256 | 256 | handleSliderChange: function(e, ui) { |
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257 | 257 | /** |
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258 | 258 | * Called when the slider value is changed. |
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259 | 259 | * |
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260 | 260 | * Calling model.set will trigger all of the other views of the |
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261 | 261 | * model to update. |
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262 | 262 | */ |
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263 | 263 | var actual_value; |
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264 | 264 | if (this.model.get("_range")) { |
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265 | 265 | actual_value = ui.values.map(this._validate_slide_value); |
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266 | 266 | this.$readout.text(actual_value.join("-")); |
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267 | 267 | } else { |
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268 | 268 | actual_value = this._validate_slide_value(ui.value); |
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269 | 269 | this.$readout.text(actual_value); |
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270 | 270 | } |
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271 | 271 | this.model.set('value', actual_value, {updated_view: this}); |
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272 | 272 | this.touch(); |
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273 | 273 | }, |
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274 | 274 | |
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275 | 275 | _validate_slide_value: function(x) { |
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276 | 276 | /** |
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277 | 277 | * Validate the value of the slider before sending it to the back-end |
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278 | 278 | * and applying it to the other views on the page. |
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279 | 279 | * |
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280 | 280 | * Double bit-wise not truncates the decimel (int cast). |
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281 | 281 | */ |
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282 | 282 | return ~~x; |
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283 | 283 | }, |
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284 | 284 | }); |
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285 | 285 | |
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286 | 286 | |
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287 | 287 | var IntTextView = widget.DOMWidgetView.extend({ |
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288 | 288 | render : function(){ |
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289 | 289 | /** |
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290 | 290 | * Called when view is rendered. |
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291 | 291 | */ |
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292 | 292 | this.$el |
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293 | .addClass('widget-hbox widget-text'); | |
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293 | .addClass('widget-hbox widget-numeric-text'); | |
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294 | 294 | this.$label = $('<div />') |
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295 | 295 | .appendTo(this.$el) |
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296 | 296 | .addClass('widget-label') |
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297 | 297 | .hide(); |
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298 | 298 | this.$textbox = $('<input type="text" />') |
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299 | 299 | .addClass('form-control') |
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300 | 300 | .addClass('widget-numeric-text') |
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301 | 301 | .appendTo(this.$el); |
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302 | 302 | this.update(); // Set defaults. |
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303 | 303 | }, |
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304 | 304 | |
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305 | 305 | update : function(options){ |
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306 | 306 | /** |
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307 | 307 | * Update the contents of this view |
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308 | 308 | * |
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309 | 309 | * Called when the model is changed. The model may have been |
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310 | 310 | * changed by another view or by a state update from the back-end. |
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311 | 311 | */ |
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312 | 312 | if (options === undefined || options.updated_view != this) { |
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313 | 313 | var value = this.model.get('value'); |
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314 | 314 | if (this._parse_value(this.$textbox.val()) != value) { |
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315 | 315 | this.$textbox.val(value); |
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316 | 316 | } |
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317 | 317 | |
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318 | 318 | if (this.model.get('disabled')) { |
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319 | 319 | this.$textbox.attr('disabled','disabled'); |
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320 | 320 | } else { |
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321 | 321 | this.$textbox.removeAttr('disabled'); |
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322 | 322 | } |
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323 | 323 | |
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324 | 324 | var description = this.model.get('description'); |
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325 | 325 | if (description.length === 0) { |
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326 | 326 | this.$label.hide(); |
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327 | 327 | } else { |
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328 | 328 | this.typeset(this.$label, description); |
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329 | 329 | this.$label.show(); |
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330 | 330 | } |
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331 | 331 | } |
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332 | 332 | return IntTextView.__super__.update.apply(this); |
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333 | 333 | }, |
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334 | 334 | |
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335 | 335 | update_attr: function(name, value) { |
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336 | 336 | /** |
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337 | 337 | * Set a css attr of the widget view. |
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338 | 338 | */ |
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339 | 339 | if (name == 'padding' || name == 'margin') { |
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340 | 340 | this.$el.css(name, value); |
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341 | 341 | } else { |
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342 | 342 | this.$textbox.css(name, value); |
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343 | 343 | } |
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344 | 344 | }, |
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345 | 345 | |
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346 | 346 | events: { |
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347 | 347 | // Dictionary of events and their handlers. |
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348 | 348 | "keyup input" : "handleChanging", |
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349 | 349 | "paste input" : "handleChanging", |
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350 | 350 | "cut input" : "handleChanging", |
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351 | 351 | |
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352 | 352 | // Fires only when control is validated or looses focus. |
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353 | 353 | "change input" : "handleChanged" |
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354 | 354 | }, |
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355 | 355 | |
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356 | 356 | handleChanging: function(e) { |
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357 | 357 | /** |
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358 | 358 | * Handles and validates user input. |
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359 | 359 | * |
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360 | 360 | * Try to parse value as a int. |
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361 | 361 | */ |
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362 | 362 | var numericalValue = 0; |
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363 | 363 | var trimmed = e.target.value.trim(); |
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364 | 364 | if (trimmed === '') { |
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365 | 365 | return; |
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366 | 366 | } else { |
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367 | 367 | if (!(['-', '-.', '.', '+.', '+'].indexOf(trimmed) >= 0)) { |
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368 | 368 | numericalValue = this._parse_value(e.target.value); |
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369 | 369 | } |
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370 | 370 | } |
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371 | 371 | |
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372 | 372 | // If parse failed, reset value to value stored in model. |
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373 | 373 | if (isNaN(numericalValue)) { |
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374 | 374 | e.target.value = this.model.get('value'); |
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375 | 375 | } else if (!isNaN(numericalValue)) { |
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376 | 376 | if (this.model.get('max') !== undefined) { |
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377 | 377 | numericalValue = Math.min(this.model.get('max'), numericalValue); |
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378 | 378 | } |
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379 | 379 | if (this.model.get('min') !== undefined) { |
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380 | 380 | numericalValue = Math.max(this.model.get('min'), numericalValue); |
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381 | 381 | } |
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382 | 382 | |
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383 | 383 | // Apply the value if it has changed. |
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384 | 384 | if (numericalValue != this.model.get('value')) { |
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385 | 385 | |
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386 | 386 | // Calling model.set will trigger all of the other views of the |
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387 | 387 | // model to update. |
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388 | 388 | this.model.set('value', numericalValue, {updated_view: this}); |
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389 | 389 | this.touch(); |
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390 | 390 | } |
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391 | 391 | } |
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392 | 392 | }, |
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393 | 393 | |
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394 | 394 | handleChanged: function(e) { |
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395 | 395 | /** |
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396 | 396 | * Applies validated input. |
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397 | 397 | */ |
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398 | 398 | if (e.target.value.trim() === '' || e.target.value !== this.model.get('value')) { |
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399 | 399 | e.target.value = this.model.get('value'); |
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400 | 400 | } |
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401 | 401 | }, |
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402 | 402 | |
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403 | 403 | _parse_value: parseInt |
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404 | 404 | }); |
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405 | 405 | |
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406 | 406 | |
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407 | 407 | var ProgressView = widget.DOMWidgetView.extend({ |
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408 | 408 | render : function(){ |
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409 | 409 | /** |
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410 | 410 | * Called when view is rendered. |
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411 | 411 | */ |
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412 | 412 | this.$el |
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413 | 413 | .addClass('widget-hbox widget-progress'); |
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414 | 414 | this.$label = $('<div />') |
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415 | 415 | .appendTo(this.$el) |
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416 | 416 | .addClass('widget-label') |
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417 | 417 | .hide(); |
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418 | 418 | this.$progress = $('<div />') |
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419 | 419 | .addClass('progress') |
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420 | 420 | .addClass('widget-progress') |
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421 | 421 | .appendTo(this.$el); |
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422 | 422 | this.$bar = $('<div />') |
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423 | 423 | .addClass('progress-bar') |
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424 | 424 | .css('width', '50%') |
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425 | 425 | .appendTo(this.$progress); |
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426 | 426 | this.update(); // Set defaults. |
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427 | 427 | |
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428 | 428 | this.model.on('change:bar_style', function(model, value) { |
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429 | 429 | this.update_bar_style(); |
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430 | 430 | }, this); |
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431 | 431 | this.update_bar_style(''); |
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432 | 432 | }, |
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433 | 433 | |
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434 | 434 | update : function(){ |
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435 | 435 | /** |
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436 | 436 | * Update the contents of this view |
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437 | 437 | * |
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438 | 438 | * Called when the model is changed. The model may have been |
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439 | 439 | * changed by another view or by a state update from the back-end. |
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440 | 440 | */ |
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441 | 441 | var value = this.model.get('value'); |
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442 | 442 | var max = this.model.get('max'); |
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443 | 443 | var min = this.model.get('min'); |
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444 | 444 | var percent = 100.0 * (value - min) / (max - min); |
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445 | 445 | this.$bar.css('width', percent + '%'); |
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446 | 446 | |
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447 | 447 | var description = this.model.get('description'); |
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448 | 448 | if (description.length === 0) { |
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449 | 449 | this.$label.hide(); |
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450 | 450 | } else { |
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451 | 451 | this.typeset(this.$label, description); |
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452 | 452 | this.$label.show(); |
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453 | 453 | } |
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454 | 454 | return ProgressView.__super__.update.apply(this); |
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455 | 455 | }, |
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456 | 456 | |
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457 | 457 | update_bar_style: function(previous_trait_value) { |
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458 | 458 | var class_map = { |
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459 | 459 | success: ['progress-bar-success'], |
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460 | 460 | info: ['progress-bar-info'], |
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461 | 461 | warning: ['progress-bar-warning'], |
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462 | 462 | danger: ['progress-bar-danger'] |
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463 | 463 | }; |
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464 | 464 | this.update_mapped_classes(class_map, 'bar_style', previous_trait_value, this.$bar); |
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465 | 465 | }, |
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466 | 466 | |
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467 | 467 | update_attr: function(name, value) { |
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468 | 468 | /** |
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469 | 469 | * Set a css attr of the widget view. |
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470 | 470 | */ |
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471 | 471 | if (name.substring(0, 6) == 'border' || name == 'width' || |
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472 | 472 | name == 'height' || name == 'background' || name == 'margin' || |
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473 | 473 | name == 'padding') { |
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474 | 474 | |
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475 | 475 | this.$progress.css(name, value); |
|
476 | 476 | } else if (name == 'color') { |
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477 | 477 | this.$bar.css('background', value); |
|
478 | 478 | } else if (name == 'padding' || name == 'margin') { |
|
479 | 479 | this.$el.css(name, value); |
|
480 | 480 | } else { |
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481 | 481 | this.$bar.css(name, value); |
|
482 | 482 | } |
|
483 | 483 | }, |
|
484 | 484 | }); |
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485 | 485 | |
|
486 | 486 | return { |
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487 | 487 | 'IntSliderView': IntSliderView, |
|
488 | 488 | 'IntTextView': IntTextView, |
|
489 | 489 | 'ProgressView': ProgressView, |
|
490 | 490 | }; |
|
491 | 491 | }); |
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