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@@ -1,282 +1,293 b'' | |||
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1 | 1 | //---------------------------------------------------------------------------- |
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2 | 2 | // Copyright (C) 2011 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 | // Keyboard management |
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10 | 10 | //============================================================================ |
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11 | 11 | |
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12 | 12 | var IPython = (function (IPython) { |
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13 | 13 | "use strict"; |
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14 | 14 | |
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15 | 15 | var key = IPython.utils.keycodes; |
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16 | 16 | |
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17 | 17 | var KeyboardManager = function () { |
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18 | 18 | this.mode = 'command'; |
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19 | 19 | this.enabled = true; |
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20 | this.delete_count = 0; | |
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20 | 21 | this.bind_events(); |
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21 | 22 | }; |
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22 | 23 | |
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23 | 24 | KeyboardManager.prototype.bind_events = function () { |
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24 | 25 | var that = this; |
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25 | 26 | $(document).keydown(function (event) { |
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26 | 27 | return that.handle_keydown(event); |
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27 | 28 | }); |
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28 | 29 | }; |
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29 | 30 | |
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30 | 31 | KeyboardManager.prototype.handle_keydown = function (event) { |
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31 | 32 | var notebook = IPython.notebook; |
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32 | 33 | |
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33 | 34 | console.log('keyboard_manager', this.mode, event.keyCode); |
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34 | 35 | |
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35 | 36 | if (event.which === key.ESC) { |
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36 | 37 | // Intercept escape at highest level to avoid closing |
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37 | 38 | // websocket connection with firefox |
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38 | 39 | event.preventDefault(); |
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39 | 40 | } |
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40 | 41 | |
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41 | 42 | if (!this.enabled) { |
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42 | 43 | return true; |
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43 | 44 | } |
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44 | 45 | |
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45 | 46 | // Event handlers for both command and edit mode |
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46 | 47 | if ((event.ctrlKey || event.metaKey) && event.keyCode==83) { |
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47 | 48 | // Save (CTRL+S) or (Command+S on Mac) |
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48 | 49 | notebook.save_checkpoint(); |
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49 | 50 | event.preventDefault(); |
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50 | 51 | return false; |
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51 | 52 | } else if (event.which === key.ESC) { |
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52 | 53 | // Intercept escape at highest level to avoid closing |
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53 | 54 | // websocket connection with firefox |
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54 | 55 | event.preventDefault(); |
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55 | 56 | // Don't return yet to allow edit/command modes to handle |
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56 | 57 | } else if (event.which === key.SHIFT) { |
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57 | 58 | // ignore shift keydown |
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58 | 59 | return true; |
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59 | 60 | } else if (event.which === key.ENTER && event.shiftKey) { |
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60 | 61 | notebook.execute_selected_cell('shift'); |
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61 | 62 | return false; |
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62 | 63 | } else if (event.which === key.ENTER && event.altKey) { |
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63 | 64 | // Execute code cell, and insert new in place |
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64 | 65 | notebook.execute_selected_cell('alt'); |
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65 | 66 | return false; |
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66 | 67 | } else if (event.which === key.ENTER && event.ctrlKey) { |
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67 | 68 | notebook.execute_selected_cell('ctrl'); |
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68 | 69 | return false; |
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69 | 70 | } |
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70 | 71 | |
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71 | 72 | if (this.mode === 'edit') { |
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72 | 73 | return this.handle_edit_mode(event); |
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73 | 74 | } else if (this.mode === 'command' && !(event.ctrlKey || event.altKey || event.metaKey)) { |
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74 | 75 | return this.handle_command_mode(event); |
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75 | 76 | } |
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76 | 77 | } |
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77 | 78 | |
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78 | 79 | KeyboardManager.prototype.handle_edit_mode = function (event) { |
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79 | 80 | var notebook = IPython.notebook; |
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80 | 81 | |
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81 | 82 | if (event.which === key.ESC) { |
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82 | 83 | // ESC |
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83 | 84 | notebook.command_mode(); |
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84 | 85 | return false; |
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85 | 86 | } else if (event.which === 77 && event.ctrlKey) { |
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86 | 87 | // Ctrl-m |
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87 | 88 | notebook.command_mode(); |
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88 | 89 | return false; |
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89 | 90 | } else if (event.which === key.UPARROW && !event.shiftKey) { |
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90 | 91 | var cell = notebook.get_selected_cell(); |
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91 | 92 | if (cell && cell.at_top()) { |
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92 | 93 | event.preventDefault(); |
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93 | 94 | notebook.command_mode() |
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94 | 95 | notebook.select_prev(); |
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95 | 96 | notebook.edit_mode(); |
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96 | 97 | return false; |
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97 | 98 | }; |
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98 | 99 | } else if (event.which === key.DOWNARROW && !event.shiftKey) { |
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99 | 100 | var cell = notebook.get_selected_cell(); |
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100 | 101 | if (cell && cell.at_bottom()) { |
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101 | 102 | event.preventDefault(); |
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102 | 103 | notebook.command_mode() |
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103 | 104 | notebook.select_next(); |
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104 | 105 | notebook.edit_mode(); |
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105 | 106 | return false; |
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106 | 107 | }; |
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107 | 108 | }; |
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108 | 109 | return true; |
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109 | 110 | } |
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110 | 111 | |
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111 | 112 | KeyboardManager.prototype.handle_command_mode = function (event) { |
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113 | var that = this; | |
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112 | 114 | var notebook = IPython.notebook; |
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113 | 115 | |
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114 | 116 | if (event.which === key.ENTER && !(event.ctrlKey || event.altKey || event.shiftKey)) { |
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115 | 117 | // Enter edit mode = ENTER alone |
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116 | 118 | notebook.edit_mode(); |
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117 | 119 | return false; |
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118 | 120 | } else if (event.which === key.UPARROW && !event.shiftKey) { |
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119 | 121 | var index = notebook.get_selected_index(); |
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120 | 122 | if (index !== 0 && index !== null) { |
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121 | 123 | notebook.select_prev(); |
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122 | 124 | var cell = notebook.get_selected_cell(); |
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123 | 125 | cell.focus_cell(); |
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124 | 126 | }; |
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125 | 127 | return false; |
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126 | 128 | } else if (event.which === key.DOWNARROW && !event.shiftKey) { |
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127 | 129 | var index = notebook.get_selected_index(); |
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128 | 130 | if (index !== (notebook.ncells()-1) && index !== null) { |
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129 | 131 | notebook.select_next(); |
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130 | 132 | var cell = notebook.get_selected_cell(); |
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131 | 133 | cell.focus_cell(); |
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132 | 134 | }; |
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133 | 135 | return false; |
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134 | 136 | } else if (event.which === 88) { |
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135 | 137 | // Cut selected cell = x |
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136 | 138 | notebook.cut_cell(); |
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137 | 139 | return false; |
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138 | 140 | } else if (event.which === 67) { |
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139 | 141 | // Copy selected cell = c |
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140 | 142 | notebook.copy_cell(); |
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141 | 143 | return false; |
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142 | 144 | } else if (event.which === 86) { |
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143 | 145 | // Paste below selected cell = v |
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144 | 146 | notebook.paste_cell_below(); |
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145 | 147 | return false; |
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146 | 148 | } else if (event.which === 68) { |
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147 | 149 | // Delete selected cell = d |
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148 |
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150 | var dc = this.delete_count; | |
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151 | console.log('delete_count', dc); | |
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152 | if (dc === 0) { | |
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153 | this.delete_count = 1; | |
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154 | setTimeout(function () { | |
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155 | that.delete_count = 0; | |
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156 | }, 1000); | |
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157 | } else if (dc === 1) { | |
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158 | notebook.delete_cell(); | |
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159 | } | |
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149 | 160 | return false; |
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150 | 161 | } else if (event.which === 65) { |
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151 | 162 | // Insert code cell above selected = a |
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152 | 163 | notebook.insert_cell_above('code'); |
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153 | 164 | notebook.select_prev(); |
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154 | 165 | return false; |
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155 | 166 | } else if (event.which === 66) { |
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156 | 167 | // Insert code cell below selected = b |
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157 | 168 | notebook.insert_cell_below('code'); |
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158 | 169 | notebook.select_next(); |
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159 | 170 | return false; |
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160 | 171 | } else if (event.which === 89) { |
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161 | 172 | // To code = y |
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162 | 173 | notebook.to_code(); |
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163 | 174 | return false; |
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164 | 175 | } else if (event.which === 77) { |
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165 | 176 | // To markdown = m |
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166 | 177 | notebook.to_markdown(); |
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167 | 178 | return false; |
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168 | 179 | } else if (event.which === 84) { |
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169 | 180 | // To Raw = t |
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170 | 181 | notebook.to_raw(); |
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171 | 182 | return false; |
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172 | 183 | } else if (event.which === 49) { |
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173 | 184 | // To Heading 1 = 1 |
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174 | 185 | notebook.to_heading(undefined, 1); |
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175 | 186 | return false; |
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176 | 187 | } else if (event.which === 50) { |
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177 | 188 | // To Heading 2 = 2 |
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178 | 189 | notebook.to_heading(undefined, 2); |
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179 | 190 | return false; |
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180 | 191 | } else if (event.which === 51) { |
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181 | 192 | // To Heading 3 = 3 |
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182 | 193 | notebook.to_heading(undefined, 3); |
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183 | 194 | return false; |
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184 | 195 | } else if (event.which === 52) { |
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185 | 196 | // To Heading 4 = 4 |
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186 | 197 | notebook.to_heading(undefined, 4); |
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187 | 198 | return false; |
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188 | 199 | } else if (event.which === 53) { |
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189 | 200 | // To Heading 5 = 5 |
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190 | 201 | notebook.to_heading(undefined, 5); |
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191 | 202 | return false; |
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192 | 203 | } else if (event.which === 54) { |
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193 | 204 | // To Heading 6 = 6 |
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194 | 205 | notebook.to_heading(undefined, 6); |
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195 | 206 | return false; |
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196 | 207 | } else if (event.which === 79) { |
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197 | 208 | // Toggle output = o |
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198 | 209 | if (event.shiftKey) { |
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199 | 210 | notebook.toggle_output_scroll(); |
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200 | 211 | } else { |
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201 | 212 | notebook.toggle_output(); |
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202 | 213 | }; |
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203 | 214 | return false; |
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204 | 215 | } else if (event.which === 83) { |
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205 | 216 | // Save notebook = s |
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206 | 217 | notebook.save_checkpoint(); |
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207 | 218 | return false; |
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208 | 219 | } else if (event.which === 74) { |
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209 | 220 | // Move cell down = j |
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210 | 221 | notebook.move_cell_down(); |
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211 | 222 | return false; |
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212 | 223 | } else if (event.which === 75) { |
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213 | 224 | // Move cell up = k |
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214 | 225 | notebook.move_cell_up(); |
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215 | 226 | return false; |
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216 | 227 | } else if (event.which === 80) { |
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217 | 228 | // Select previous = p |
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218 | 229 | notebook.select_prev(); |
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219 | 230 | return false; |
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220 | 231 | } else if (event.which === 78) { |
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221 | 232 | // Select next = n |
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222 | 233 | notebook.select_next(); |
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223 | 234 | return false; |
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224 | 235 | } else if (event.which === 76) { |
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225 | 236 | // Toggle line numbers = l |
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226 | 237 | notebook.cell_toggle_line_numbers(); |
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227 | 238 | return false; |
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228 | 239 | } else if (event.which === 73) { |
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229 | 240 | // Interrupt kernel = i |
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230 | 241 | notebook.kernel.interrupt(); |
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231 | 242 | return false; |
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232 | 243 | } else if (event.which === 190) { |
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233 | 244 | // Restart kernel = . # matches qt console |
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234 | 245 | notebook.restart_kernel(); |
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235 | 246 | return false; |
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236 | 247 | } else if (event.which === 72) { |
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237 | 248 | // Show keyboard shortcuts = h |
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238 | 249 | IPython.quick_help.show_keyboard_shortcuts(); |
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239 | 250 | return false; |
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240 | 251 | } else if (event.which === 90) { |
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241 | 252 | // Undo last cell delete = z |
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242 | 253 | notebook.undelete_cell(); |
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243 | 254 | return false; |
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244 | 255 | } else if (event.which === 189 || event.which === 173) { |
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245 | 256 | // how fun! '-' is 189 in Chrome, but 173 in FF and Opera |
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246 | 257 | // Split cell = - |
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247 | 258 | notebook.split_cell(); |
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248 | 259 | return false; |
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249 | 260 | } else if ((event.which === 61 || event.which === 187) && event.shiftKey) { |
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250 | 261 | notebook.merge_cell_below(); |
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251 | 262 | return false; |
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252 | 263 | }; |
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253 | 264 | // If we havn't handled it, let someone else. |
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254 | 265 | return true; |
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255 | 266 | }; |
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256 | 267 | |
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257 | 268 | KeyboardManager.prototype.edit_mode = function () { |
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258 | 269 | console.log('KeyboardManager', 'changing to edit mode'); |
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259 | 270 | this.last_mode = this.mode; |
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260 | 271 | this.mode = 'edit'; |
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261 | 272 | } |
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262 | 273 | |
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263 | 274 | KeyboardManager.prototype.command_mode = function () { |
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264 | 275 | console.log('KeyboardManager', 'changing to command mode'); |
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265 | 276 | this.last_mode = this.mode; |
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266 | 277 | this.mode = 'command'; |
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267 | 278 | } |
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268 | 279 | |
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269 | 280 | KeyboardManager.prototype.enable = function () { |
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270 | 281 | this.enabled = true; |
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271 | 282 | } |
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272 | 283 | |
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273 | 284 | KeyboardManager.prototype.disable = function () { |
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274 | 285 | this.enabled = false; |
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275 | 286 | } |
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276 | 287 | |
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277 | 288 | |
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278 | 289 | IPython.KeyboardManager = KeyboardManager; |
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279 | 290 | |
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280 | 291 | return IPython; |
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281 | 292 | |
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282 | 293 | }(IPython)); |
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