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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 | 'base/js/namespace', |
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6 | 6 | 'jquery', |
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7 | 7 | 'base/js/utils', |
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8 | 8 | ], function(IPython, $, utils) { |
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9 | 9 | "use strict"; |
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10 | 10 | |
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11 | 11 | // tooltip constructor |
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12 | 12 | var Tooltip = function (events) { |
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13 | 13 | var that = this; |
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14 | 14 | this.events = events; |
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15 | 15 | this.time_before_tooltip = 1200; |
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16 | 16 | |
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17 | 17 | // handle to html |
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18 | 18 | this.tooltip = $('#tooltip'); |
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19 | 19 | this._hidden = true; |
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20 | 20 | |
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21 | 21 | // variable for consecutive call |
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22 | 22 | this._old_cell = null; |
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23 | 23 | this._old_request = null; |
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24 | 24 | this._consecutive_counter = 0; |
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25 | 25 | |
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26 | 26 | // 'sticky ?' |
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27 | 27 | this._sticky = false; |
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28 | 28 | |
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29 | 29 | // display tooltip if the docstring is empty? |
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30 | 30 | this._hide_if_no_docstring = false; |
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31 | 31 | |
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32 | 32 | // contain the button in the upper right corner |
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33 | 33 | this.buttons = $('<div/>').addClass('tooltipbuttons'); |
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34 | 34 | |
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35 | 35 | // will contain the docstring |
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36 | 36 | this.text = $('<div/>').addClass('tooltiptext').addClass('smalltooltip'); |
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37 | 37 | |
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38 | 38 | // build the buttons menu on the upper right |
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39 | 39 | // expand the tooltip to see more |
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40 | 40 | var expandlink = $('<a/>').attr('href', "#").addClass("ui-corner-all") //rounded corner |
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41 | 41 | .attr('role', "button").attr('id', 'expanbutton').attr('title', 'Grow the tooltip vertically (press shift-tab twice)').click(function () { |
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42 | 42 | that.expand(); |
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43 | 43 | event.preventDefault(); |
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44 | 44 | }).append( |
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45 | 45 | $('<span/>').text('Expand').addClass('ui-icon').addClass('ui-icon-plus')); |
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46 | 46 | |
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47 | 47 | // open in pager |
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48 | 48 | var morelink = $('<a/>').attr('href', "#").attr('role', "button").addClass('ui-button').attr('title', 'show the current docstring in pager (press shift-tab 4 times)'); |
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49 | 49 | var morespan = $('<span/>').text('Open in Pager').addClass('ui-icon').addClass('ui-icon-arrowstop-l-n'); |
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50 | 50 | morelink.append(morespan); |
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51 | 51 | morelink.click(function () { |
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52 | 52 | that.showInPager(that._old_cell); |
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53 | 53 | event.preventDefault(); |
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54 | 54 | }); |
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55 | 55 | |
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56 | 56 | // close the tooltip |
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57 | 57 | var closelink = $('<a/>').attr('href', "#").attr('role', "button").addClass('ui-button'); |
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58 | 58 | var closespan = $('<span/>').text('Close').addClass('ui-icon').addClass('ui-icon-close'); |
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59 | 59 | closelink.append(closespan); |
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60 | 60 | closelink.click(function () { |
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61 | 61 | that.remove_and_cancel_tooltip(true); |
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62 | 62 | event.preventDefault(); |
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63 | 63 | }); |
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64 | 64 | |
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65 | 65 | this._clocklink = $('<a/>').attr('href', "#"); |
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66 | 66 | this._clocklink.attr('role', "button"); |
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67 | 67 | this._clocklink.addClass('ui-button'); |
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68 |
this._clocklink.attr('title', 'Tooltip |
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68 | this._clocklink.attr('title', 'Tooltip will linger for 10 seconds while you type'); | |
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69 | 69 | var clockspan = $('<span/>').text('Close'); |
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70 | 70 | clockspan.addClass('ui-icon'); |
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71 | 71 | clockspan.addClass('ui-icon-clock'); |
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72 | 72 | this._clocklink.append(clockspan); |
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73 | 73 | this._clocklink.click(function () { |
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74 | 74 | that.cancel_stick(); |
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75 | 75 | event.preventDefault(); |
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76 | 76 | }); |
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77 | 77 | |
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78 | 78 | |
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79 | 79 | |
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80 | 80 | |
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81 | 81 | //construct the tooltip |
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82 | 82 | // add in the reverse order you want them to appear |
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83 | 83 | this.buttons.append(closelink); |
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84 | 84 | this.buttons.append(expandlink); |
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85 | 85 | this.buttons.append(morelink); |
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86 | 86 | this.buttons.append(this._clocklink); |
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87 | 87 | this._clocklink.hide(); |
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88 | 88 | |
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89 | 89 | |
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90 | 90 | // we need a phony element to make the small arrow |
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91 | 91 | // of the tooltip in css |
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92 | 92 | // we will move the arrow later |
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93 | 93 | this.arrow = $('<div/>').addClass('pretooltiparrow'); |
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94 | 94 | this.tooltip.append(this.buttons); |
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95 | 95 | this.tooltip.append(this.arrow); |
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96 | 96 | this.tooltip.append(this.text); |
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97 | 97 | |
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98 | 98 | // function that will be called if you press tab 1, 2, 3... times in a row |
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99 | 99 | this.tabs_functions = [function (cell, text, cursor) { |
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100 | 100 | that._request_tooltip(cell, text, cursor); |
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101 | 101 | }, function () { |
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102 | 102 | that.expand(); |
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103 | 103 | }, function () { |
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104 | 104 | that.stick(); |
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105 | 105 | }, function (cell) { |
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106 | 106 | that.cancel_stick(); |
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107 | 107 | that.showInPager(cell); |
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108 | 108 | }]; |
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109 | 109 | // call after all the tabs function above have bee call to clean their effects |
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110 | 110 | // if necessary |
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111 | 111 | this.reset_tabs_function = function (cell, text) { |
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112 | 112 | this._old_cell = (cell) ? cell : null; |
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113 | 113 | this._old_request = (text) ? text : null; |
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114 | 114 | this._consecutive_counter = 0; |
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115 | 115 | }; |
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116 | 116 | }; |
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117 | 117 | |
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118 | 118 | Tooltip.prototype.is_visible = function () { |
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119 | 119 | return !this._hidden; |
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120 | 120 | }; |
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121 | 121 | |
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122 | 122 | Tooltip.prototype.showInPager = function (cell) { |
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123 | 123 | /** |
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124 | 124 | * reexecute last call in pager by appending ? to show back in pager |
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125 | 125 | */ |
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126 | 126 | this.events.trigger('open_with_text.Pager', this._reply.content); |
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127 | 127 | this.remove_and_cancel_tooltip(); |
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128 | 128 | }; |
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129 | 129 | |
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130 | 130 | // grow the tooltip verticaly |
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131 | 131 | Tooltip.prototype.expand = function () { |
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132 | 132 | this.text.removeClass('smalltooltip'); |
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133 | 133 | this.text.addClass('bigtooltip'); |
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134 | 134 | $('#expanbutton').hide('slow'); |
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135 | 135 | }; |
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136 | 136 | |
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137 | 137 | // deal with all the logic of hiding the tooltip |
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138 | 138 | // and reset it's status |
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139 | 139 | Tooltip.prototype._hide = function () { |
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140 | 140 | this._hidden = true; |
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141 | 141 | this.tooltip.fadeOut('fast'); |
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142 | 142 | $('#expanbutton').show('slow'); |
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143 | 143 | this.text.removeClass('bigtooltip'); |
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144 | 144 | this.text.addClass('smalltooltip'); |
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145 | 145 | // keep scroll top to be sure to always see the first line |
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146 | 146 | this.text.scrollTop(0); |
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147 | 147 | this.code_mirror = null; |
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148 | 148 | }; |
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149 | 149 | |
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150 | 150 | // return true on successfully removing a visible tooltip; otherwise return |
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151 | 151 | // false. |
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152 | 152 | Tooltip.prototype.remove_and_cancel_tooltip = function (force) { |
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153 | 153 | /** |
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154 | 154 | * note that we don't handle closing directly inside the calltip |
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155 | 155 | * as in the completer, because it is not focusable, so won't |
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156 | 156 | * get the event. |
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157 | 157 | */ |
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158 | 158 | this.cancel_pending(); |
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159 | 159 | if (!this._hidden) { |
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160 | 160 | if (force || !this._sticky) { |
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161 | 161 | this.cancel_stick(); |
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162 | 162 | this._hide(); |
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163 | 163 | } |
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164 | 164 | this.reset_tabs_function(); |
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165 | 165 | return true; |
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166 | 166 | } else { |
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167 | 167 | return false; |
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168 | 168 | } |
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169 | 169 | }; |
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170 | 170 | |
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171 | 171 | // cancel autocall done after '(' for example. |
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172 | 172 | Tooltip.prototype.cancel_pending = function () { |
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173 | 173 | if (this._tooltip_timeout !== null) { |
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174 | 174 | clearTimeout(this._tooltip_timeout); |
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175 | 175 | this._tooltip_timeout = null; |
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176 | 176 | } |
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177 | 177 | }; |
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178 | 178 | |
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179 | 179 | // will trigger tooltip after timeout |
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180 | 180 | Tooltip.prototype.pending = function (cell, hide_if_no_docstring) { |
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181 | 181 | var that = this; |
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182 | 182 | this._tooltip_timeout = setTimeout(function () { |
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183 | 183 | that.request(cell, hide_if_no_docstring); |
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184 | 184 | }, that.time_before_tooltip); |
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185 | 185 | }; |
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186 | 186 | |
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187 | 187 | // easy access for julia monkey patching. |
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188 | 188 | Tooltip.last_token_re = /[a-z_][0-9a-z._]*$/gi; |
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189 | 189 | |
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190 | 190 | Tooltip.prototype._request_tooltip = function (cell, text, cursor_pos) { |
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191 | 191 | var callbacks = $.proxy(this._show, this); |
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192 | 192 | var msg_id = cell.kernel.inspect(text, cursor_pos, callbacks); |
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193 | 193 | }; |
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194 | 194 | |
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195 | 195 | // make an immediate completion request |
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196 | 196 | Tooltip.prototype.request = function (cell, hide_if_no_docstring) { |
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197 | 197 | /** |
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198 | 198 | * request(codecell) |
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199 | 199 | * Deal with extracting the text from the cell and counting |
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200 | 200 | * call in a row |
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201 | 201 | */ |
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202 | 202 | this.cancel_pending(); |
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203 | 203 | var editor = cell.code_mirror; |
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204 | 204 | var cursor = editor.getCursor(); |
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205 | 205 | var cursor_pos = utils.to_absolute_cursor_pos(editor, cursor); |
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206 | 206 | var text = cell.get_text(); |
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207 | 207 | |
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208 | 208 | this._hide_if_no_docstring = hide_if_no_docstring; |
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209 | 209 | |
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210 | 210 | if(editor.somethingSelected()){ |
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211 | 211 | // get only the most recent selection. |
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212 | 212 | text = editor.getSelection(); |
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213 | 213 | } |
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214 | 214 | |
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215 | 215 | // need a permanent handle to code_mirror for future auto recall |
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216 | 216 | this.code_mirror = editor; |
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217 | 217 | |
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218 | 218 | // now we treat the different number of keypress |
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219 | 219 | // first if same cell, same text, increment counter by 1 |
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220 | 220 | if (this._old_cell == cell && this._old_request == text && this._hidden === false) { |
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221 | 221 | this._consecutive_counter++; |
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222 | 222 | } else { |
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223 | 223 | // else reset |
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224 | 224 | this.cancel_stick(); |
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225 | 225 | this.reset_tabs_function (cell, text); |
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226 | 226 | } |
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227 | 227 | |
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228 | 228 | this.tabs_functions[this._consecutive_counter](cell, text, cursor_pos); |
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229 | 229 | |
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230 | 230 | // then if we are at the end of list function, reset |
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231 | 231 | if (this._consecutive_counter == this.tabs_functions.length) { |
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232 | 232 | this.reset_tabs_function (cell, text, cursor); |
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233 | 233 | } |
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234 | 234 | |
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235 | 235 | return; |
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236 | 236 | }; |
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237 | 237 | |
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238 | 238 | // cancel the option of having the tooltip to stick |
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239 | 239 | Tooltip.prototype.cancel_stick = function () { |
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240 | 240 | clearTimeout(this._stick_timeout); |
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241 | 241 | this._stick_timeout = null; |
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242 | 242 | this._clocklink.hide('slow'); |
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243 | 243 | this._sticky = false; |
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244 | 244 | }; |
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245 | 245 | |
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246 | 246 | // put the tooltip in a sicky state for 10 seconds |
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247 | 247 | // it won't be removed by remove_and_cancell() unless you called with |
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248 | 248 | // the first parameter set to true. |
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249 | 249 | // remove_and_cancell_tooltip(true) |
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250 | 250 | Tooltip.prototype.stick = function (time) { |
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251 | 251 | time = (time !== undefined) ? time : 10; |
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252 | 252 | var that = this; |
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253 | 253 | this._sticky = true; |
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254 | 254 | this._clocklink.show('slow'); |
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255 | 255 | this._stick_timeout = setTimeout(function () { |
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256 | 256 | that._sticky = false; |
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257 | 257 | that._clocklink.hide('slow'); |
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258 | 258 | }, time * 1000); |
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259 | 259 | }; |
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260 | 260 | |
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261 | 261 | // should be called with the kernel reply to actually show the tooltip |
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262 | 262 | Tooltip.prototype._show = function (reply) { |
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263 | 263 | /** |
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264 | 264 | * move the bubble if it is not hidden |
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265 | 265 | * otherwise fade it |
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266 | 266 | */ |
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267 | 267 | this._reply = reply; |
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268 | 268 | var content = reply.content; |
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269 | 269 | if (!content.found) { |
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270 | 270 | // object not found, nothing to show |
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271 | 271 | return; |
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272 | 272 | } |
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273 | 273 | this.name = content.name; |
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274 | 274 | |
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275 | 275 | // do some math to have the tooltip arrow on more or less on left or right |
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276 | 276 | // position of the editor |
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277 | 277 | var cm_pos = $(this.code_mirror.getWrapperElement()).position(); |
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278 | 278 | |
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279 | 279 | // anchor and head positions are local within CodeMirror element |
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280 | 280 | var anchor = this.code_mirror.cursorCoords(false, 'local'); |
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281 | 281 | var head = this.code_mirror.cursorCoords(true, 'local'); |
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282 | 282 | // locate the target at the center of anchor, head |
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283 | 283 | var center_left = (head.left + anchor.left) / 2; |
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284 | 284 | // locate the left edge of the tooltip, at most 450 px left of the arrow |
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285 | 285 | var edge_left = Math.max(center_left - 450, 0); |
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286 | 286 | // locate the arrow at the cursor. A 24 px offset seems necessary. |
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287 | 287 | var arrow_left = center_left - edge_left - 24; |
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288 | 288 | |
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289 | 289 | // locate left, top within container element |
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290 | 290 | var left = (cm_pos.left + edge_left) + 'px'; |
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291 | 291 | var top = (cm_pos.top + head.bottom + 10) + 'px'; |
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292 | 292 | |
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293 | 293 | if (this._hidden === false) { |
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294 | 294 | this.tooltip.animate({ |
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295 | 295 | left: left, |
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296 | 296 | top: top |
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297 | 297 | }); |
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298 | 298 | } else { |
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299 | 299 | this.tooltip.css({ |
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300 | 300 | left: left |
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301 | 301 | }); |
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302 | 302 | this.tooltip.css({ |
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303 | 303 | top: top |
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304 | 304 | }); |
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305 | 305 | } |
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306 | 306 | this.arrow.animate({ |
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307 | 307 | 'left': arrow_left + 'px' |
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308 | 308 | }); |
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309 | 309 | |
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310 | 310 | this._hidden = false; |
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311 | 311 | this.tooltip.fadeIn('fast'); |
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312 | 312 | this.text.children().remove(); |
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313 | 313 | |
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314 | 314 | // This should support rich data types, but only text/plain for now |
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315 | 315 | // Any HTML within the docstring is escaped by the fixConsole() method. |
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316 | 316 | var pre = $('<pre/>').html(utils.fixConsole(content.data['text/plain'])); |
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317 | 317 | this.text.append(pre); |
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318 | 318 | // keep scroll top to be sure to always see the first line |
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319 | 319 | this.text.scrollTop(0); |
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320 | 320 | }; |
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321 | 321 | |
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322 | 322 | // Backwards compatibility. |
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323 | 323 | IPython.Tooltip = Tooltip; |
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324 | 324 | |
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325 | 325 | return {'Tooltip': Tooltip}; |
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326 | 326 | }); |
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