mirror of
https://github.com/jupyter/notebook.git
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Like, OMG, keyboardmanager.js is a beast.
This commit is contained in:
Brian E. Granger
parent
b44d535329
commit
1572df1c65
@ -12,13 +12,490 @@
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var IPython = (function (IPython) {
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"use strict";
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var key = IPython.utils.keycodes;
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// Setup global keycodes and inverse keycodes.
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// See http://unixpapa.com/js/key.html for a complete description. The short of
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// it is that there are different keycode sets. Firefox uses the "Mozilla keycodes"
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// and Webkit/IE use the "IE keycodes". These keycode sets are mostly the same
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// but have minor differences.
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// These apply to Firefox, (Webkit and IE)
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var _keycodes = {
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'a': 65, 'b': 66, 'c': 67, 'd': 68, 'e': 69, 'f': 70, 'g': 71, 'h': 72, 'i': 73,
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'j': 74, 'k': 75, 'l': 76, 'm': 77, 'n': 78, 'o': 79, 'p': 80, 'q': 81, 'r': 82,
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's': 83, 't': 84, 'u': 85, 'v': 86, 'w': 87, 'x': 88, 'y': 89, 'z': 90,
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'1 !': 49, '2 @': 50, '3 #': 51, '4 $': 52, '5 %': 53, '6 ^': 54,
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'7 &': 55, '8 *': 56, '9 (': 57, '0 )': 48,
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'[ {': 219, '] }': 221, '` ~': 192, ', <': 188, '. >': 190, '/ ?': 191,
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'\\ |': 220, '- _': 109, '\' "': 222,
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'numpad0': 96, 'numpad1': 97, 'numpad2': 98, 'numpad3': 99, 'numpad4': 100,
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'numpad5': 101, 'numpad6': 102, 'numpad7': 103, 'numpad8': 104, 'numpad9': 105,
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'multiply': 106, 'add': 107, 'subtract': 109, 'decimal': 110, 'divide': 111,
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'f1': 112, 'f2': 113, 'f3': 114, 'f4': 115, 'f5': 116, 'f6': 117, 'f7': 118,
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'f8': 119, 'f9': 120, 'f11': 122, 'f12': 123, 'f13': 124, 'f14': 125, 'f15': 126,
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'backspace': 8, 'tab': 9, 'enter': 13, 'shift': 16, 'ctrl': 17, 'alt': 18,
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'meta': 91, 'capslock': 20, 'esc': 27, 'space': 32, 'pageup': 33, 'pagedown': 34,
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'end': 35, 'home': 36, 'left': 37, 'up': 38, 'right': 39, 'down': 40,
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'insert': 45, 'delete': 46, 'numlock': 144,
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};
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// These apply to Firefox and Opera
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var _mozilla_keycodes = {
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'; :': 59, '= +': 61
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}
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// This apply to Webkit and IE
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var _ie_keycodes = {
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'; :': 186, '= +': 187,
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}
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var browser = IPython.utils.browser[0];
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if (browser === 'Firefox' || browser === 'Opera') {
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$.extend(_keycodes, _mozilla_keycodes);
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} else if (browser === 'Safari' || browser === 'Chrome' || browser === 'MSIE') {
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$.extend(_keycodes, _ie_keycodes);
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}
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var keycodes = {};
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var inv_keycodes = {};
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for (var name in _keycodes) {
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console.log(name);
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var names = name.split(' ');
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if (names.length === 1) {
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var n = names[0]
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keycodes[n] = _keycodes[n]
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inv_keycodes[_keycodes[n]] = n
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// console.log(keycodes[n], inv_keycodes[_keycodes[n]]);
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} else {
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var primary = names[0];
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var secondary = names[1];
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keycodes[primary] = _keycodes[name]
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keycodes[secondary] = _keycodes[name]
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inv_keycodes[_keycodes[name]] = primary
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// console.log(keycodes[primary], keycodes[secondary], inv_keycodes[_keycodes[name]])
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}
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}
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// Default keyboard shortcuts
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var default_common_shortcuts = {
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'meta+s' : {
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help : 'save notebook',
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handler : function (event) {
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IPython.notebook.save_checkpoint();
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event.preventDefault();
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return false;
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}
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},
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'ctrl+s' : {
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help : 'save notebook',
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handler : function (event) {
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IPython.notebook.save_checkpoint();
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event.preventDefault();
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return false;
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}
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},
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'shift' : {
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help : '',
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handler : function (event) {
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// ignore shift keydown
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return true;
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}
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},
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'shift+enter' : {
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help : 'run cell',
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handler : function (event) {
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IPython.notebook.execute_selected_cell('shift');
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return false;
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}
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},
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'alt+enter' : {
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help : 'run cell',
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handler : function (event) {
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IPython.notebook.execute_selected_cell('alt');
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return false;
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}
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},
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'ctrl+enter' : {
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help : 'run cell',
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handler : function (event) {
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IPython.notebook.execute_selected_cell('ctrl');
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return false;
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}
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}
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}
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// Edit mode defaults
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var default_edit_shortcuts = {
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'esc' : {
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help : 'command mode',
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handler : function (event) {
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IPython.notebook.command_mode();
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return false;
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}
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},
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'ctrl+m' : {
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help : 'command mode',
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handler : function (event) {
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IPython.notebook.command_mode();
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return false;
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}
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},
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'up' : {
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help : 'select previous cell',
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handler : function (event) {
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var cell = IPython.notebook.get_selected_cell();
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if (cell && cell.at_top()) {
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event.preventDefault();
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IPython.notebook.command_mode()
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IPython.notebook.select_prev();
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IPython.notebook.edit_mode();
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return false;
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};
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}
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},
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'down' : {
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help : 'select next cell',
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handler : function (event) {
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var cell = IPython.notebook.get_selected_cell();
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if (cell && cell.at_bottom()) {
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event.preventDefault();
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IPython.notebook.command_mode()
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IPython.notebook.select_next();
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IPython.notebook.edit_mode();
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return false;
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};
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}
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},
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}
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// Command mode defaults
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var default_command_shortcuts = {
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'enter' : {
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help : 'edit mode',
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handler : function (event) {
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IPython.notebook.edit_mode();
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return false;
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}
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},
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'up' : {
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help : 'select previous cell',
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handler : function (event) {
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var index = IPython.notebook.get_selected_index();
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if (index !== 0 && index !== null) {
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IPython.notebook.select_prev();
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var cell = IPython.notebook.get_selected_cell();
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cell.focus_cell();
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};
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return false;
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}
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},
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'down' : {
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help : 'select next cell',
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handler : function (event) {
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var index = IPython.notebook.get_selected_index();
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if (index !== (IPython.notebook.ncells()-1) && index !== null) {
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IPython.notebook.select_next();
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var cell = IPython.notebook.get_selected_cell();
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cell.focus_cell();
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};
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return false;
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}
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},
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'x' : {
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help : 'cut cell',
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handler : function (event) {
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IPython.IPython.notebook.cut_cell();
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return false;
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}
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},
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'c' : {
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help : 'copy cell',
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handler : function (event) {
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IPython.IPython.notebook.copy_cell();
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return false;
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}
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},
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'v' : {
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help : 'paste cell below',
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handler : function (event) {
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IPython.IPython.notebook.paste_cell_below();
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return false;
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}
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},
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'd' : {
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help : 'delete cell (press twice)',
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handler : function (event) {
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var dc = IPython.delete_count;
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console.log('delete_count', dc);
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if (dc === undefined) {
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IPython.delete_count = 0;
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} else if (dc === 0) {
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IPython.delete_count = 1;
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setTimeout(function () {
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IPython.delete_count = 0;
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}, 800);
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} else if (dc === 1) {
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IPython.notebook.delete_cell();
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IPython.delete_count = 0;
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}
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return false;
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}
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},
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'a' : {
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help : 'insert cell above',
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handler : function (event) {
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IPython.notebook.insert_cell_above('code');
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IPython.notebook.select_prev();
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return false;
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}
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},
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'b' : {
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help : 'insert cell below',
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handler : function (event) {
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IPython.notebook.insert_cell_below('code');
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IPython.notebook.select_next();
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return false;
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}
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},
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'y' : {
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help : 'to code',
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handler : function (event) {
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IPython.notebook.to_code();
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return false;
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}
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},
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'm' : {
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help : 'to markdown',
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handler : function (event) {
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IPython.notebook.to_markdown();
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return false;
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}
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},
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't' : {
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help : 'to raw',
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handler : function (event) {
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IPython.notebook.to_raw();
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return false;
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}
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},
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'1' : {
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help : 'to heading 1',
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handler : function (event) {
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IPython.notebook.to_heading(undefined, 1);
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return false;
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}
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},
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'2' : {
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help : 'to heading 2',
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handler : function (event) {
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IPython.notebook.to_heading(undefined, 2);
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return false;
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}
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},
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'3' : {
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help : 'to heading 3',
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handler : function (event) {
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IPython.notebook.to_heading(undefined, 3);
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return false;
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}
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},
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'4' : {
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help : 'to heading 4',
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handler : function (event) {
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IPython.notebook.to_heading(undefined, 4);
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return false;
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}
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},
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'5' : {
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help : 'to heading 5',
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handler : function (event) {
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IPython.notebook.to_heading(undefined, 5);
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return false;
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}
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},
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'6' : {
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help : 'to heading 6',
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handler : function (event) {
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IPython.notebook.to_heading(undefined, 6);
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return false;
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}
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},
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'o' : {
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help : 'toggle output',
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handler : function (event) {
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IPython.notebook.toggle_output();
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return false;
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}
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},
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'shift+o' : {
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help : 'toggle output',
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handler : function (event) {
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IPython.notebook.toggle_output_scroll();
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return false;
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}
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},
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's' : {
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help : 'save notebook',
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handler : function (event) {
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IPython.notebook.save_checkpoint();
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return false;
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}
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},
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'ctrl+j' : {
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help : 'move cell down',
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handler : function (event) {
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IPython.notebook.move_cell_down();
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return false;
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}
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},
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'ctrl+k' : {
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help : 'move cell up',
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handler : function (event) {
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IPython.notebook.move_cell_up();
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return false;
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}
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},
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'l' : {
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help : 'toggle line numbers',
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handler : function (event) {
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IPython.notebook.cell_toggle_line_numbers();
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return false;
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}
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},
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'i' : {
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help : 'interrupt kernel',
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handler : function (event) {
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IPython.notebook.kernel.interrupt();
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return false;
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}
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},
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'.' : {
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help : 'restart kernel',
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handler : function (event) {
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IPython.notebook.restart_kernel();
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return false;
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}
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},
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'h' : {
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help : 'keyboard shortcuts',
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handler : function (event) {
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IPython.quick_help.show_keyboard_shortcuts();
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return false;
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}
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},
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'z' : {
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help : 'undo last delete',
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handler : function (event) {
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IPython.notebook.undelete_cell();
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return false;
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}
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},
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'-' : {
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help : 'split cell',
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handler : function (event) {
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IPython.notebook.split_cell();
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return false;
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}
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},
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'shift+=' : {
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help : 'merge cell below',
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handler : function (event) {
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IPython.notebook.merge_cell_below();
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return false;
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}
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},
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}
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// Shortcut manager class
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var ShortcutManager = function () {
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this._shortcuts = {}
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}
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ShortcutManager.prototype.canonicalize_key = function (key) {
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return inv_keycodes[keycodes[key]];
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}
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ShortcutManager.prototype.canonicalize_shortcut = function (shortcut) {
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// Sort a sequence of + separated modifiers into the order alt+ctrl+meta+shift
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var values = shortcut.split("+");
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if (values.length === 1) {
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return this.canonicalize_key(values[0])
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} else {
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var modifiers = values.slice(0,-1);
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var key = this.canonicalize_key(values[-1]);
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modifiers.sort();
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return modifiers.join('+') + '+' + key;
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}
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}
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ShortcutManager.prototype.event_to_shortcut = function (event) {
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// Convert a jQuery keyboard event to a strong based keyboard shortcut
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var shortcut = '';
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var key = inv_keycodes[event.which]
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if (event.altKey && key !== 'alt') {shortcut += 'alt+';}
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if (event.ctrlKey && key !== 'ctrl') {shortcut += 'ctrl+';}
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if (event.metaKey && key !== 'meta') {shortcut += 'meta+';}
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if (event.shiftKey && key !== 'shift') {shortcut += 'shift+';}
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shortcut += key;
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return shortcut
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}
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ShortcutManager.prototype.clear_shortcuts = function () {
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this._shortcuts = {};
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}
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ShortcutManager.prototype.add_shortcut = function (shortcut, data) {
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shortcut = this.canonicalize_shortcut(shortcut);
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this._shortcuts[shortcut] = data;
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}
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ShortcutManager.prototype.add_shortcuts = function (data) {
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for (var shortcut in data) {
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this.add_shortcut(shortcut, data[shortcut]);
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}
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}
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ShortcutManager.prototype.remove_shortcut = function (shortcut) {
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shortcut = this.canonicalize_shortcut(shortcut);
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delete this._shortcuts[shortcut];
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}
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ShortcutManager.prototype.call_handler = function (event) {
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var shortcut = this.event_to_shortcut(event);
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var data = this._shortcuts[shortcut];
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if (data !== undefined) {
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console.log('call_handler', shortcut, data['help']);
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var handler = data['handler'];
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if (handler !== undefined) {
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return handler(event);
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}
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}
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return true;
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}
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// Main keyboard manager for the notebook
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var KeyboardManager = function () {
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this.mode = 'command';
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this.enabled = true;
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this.delete_count = 0;
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this.bind_events();
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this.command_shortcuts = new ShortcutManager();
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this.command_shortcuts.add_shortcuts(default_common_shortcuts);
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this.command_shortcuts.add_shortcuts(default_command_shortcuts);
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this.edit_shortcuts = new ShortcutManager();
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this.edit_shortcuts.add_shortcuts(default_common_shortcuts);
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this.edit_shortcuts.add_shortcuts(default_edit_shortcuts);
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};
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KeyboardManager.prototype.bind_events = function () {
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@ -33,238 +510,29 @@ var IPython = (function (IPython) {
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console.log('keyboard_manager', this.mode, event.keyCode);
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if (event.which === key.ESC) {
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if (event.which === keycodes['esc']) {
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// Intercept escape at highest level to avoid closing
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// websocket connection with firefox
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event.preventDefault();
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}
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|
||||
if (!this.enabled) {
|
||||
if (event.which === keycodes['esc']) {
|
||||
// ESC
|
||||
notebook.command_mode();
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
// Event handlers for both command and edit mode
|
||||
if ((event.ctrlKey || event.metaKey) && event.keyCode==83) {
|
||||
// Save (CTRL+S) or (Command+S on Mac)
|
||||
notebook.save_checkpoint();
|
||||
event.preventDefault();
|
||||
return false;
|
||||
} else if (event.which === key.ESC) {
|
||||
// Intercept escape at highest level to avoid closing
|
||||
// websocket connection with firefox
|
||||
event.preventDefault();
|
||||
// Don't return yet to allow edit/command modes to handle
|
||||
} else if (event.which === key.SHIFT) {
|
||||
// ignore shift keydown
|
||||
return true;
|
||||
} else if (event.which === key.ENTER && event.shiftKey) {
|
||||
notebook.execute_selected_cell('shift');
|
||||
return false;
|
||||
} else if (event.which === key.ENTER && event.altKey) {
|
||||
// Execute code cell, and insert new in place
|
||||
notebook.execute_selected_cell('alt');
|
||||
return false;
|
||||
} else if (event.which === key.ENTER && event.ctrlKey) {
|
||||
notebook.execute_selected_cell('ctrl');
|
||||
return false;
|
||||
}
|
||||
|
||||
if (this.mode === 'edit') {
|
||||
return this.handle_edit_mode(event);
|
||||
} else if (this.mode === 'command' && !(event.ctrlKey || event.altKey || event.metaKey)) {
|
||||
return this.handle_command_mode(event);
|
||||
return this.edit_shortcuts.call_handler(event);
|
||||
} else if (this.mode === 'command') {
|
||||
return this.command_shortcuts.call_handler(event);
|
||||
}
|
||||
}
|
||||
|
||||
KeyboardManager.prototype.handle_edit_mode = function (event) {
|
||||
var notebook = IPython.notebook;
|
||||
|
||||
if (event.which === key.ESC) {
|
||||
// ESC
|
||||
notebook.command_mode();
|
||||
return false;
|
||||
} else if (event.which === 77 && event.ctrlKey) {
|
||||
// Ctrl-m
|
||||
notebook.command_mode();
|
||||
return false;
|
||||
} else if (event.which === key.UPARROW && !event.shiftKey) {
|
||||
var cell = notebook.get_selected_cell();
|
||||
if (cell && cell.at_top()) {
|
||||
event.preventDefault();
|
||||
notebook.command_mode()
|
||||
notebook.select_prev();
|
||||
notebook.edit_mode();
|
||||
return false;
|
||||
};
|
||||
} else if (event.which === key.DOWNARROW && !event.shiftKey) {
|
||||
var cell = notebook.get_selected_cell();
|
||||
if (cell && cell.at_bottom()) {
|
||||
event.preventDefault();
|
||||
notebook.command_mode()
|
||||
notebook.select_next();
|
||||
notebook.edit_mode();
|
||||
return false;
|
||||
};
|
||||
};
|
||||
return true;
|
||||
}
|
||||
|
||||
KeyboardManager.prototype.handle_command_mode = function (event) {
|
||||
var that = this;
|
||||
var notebook = IPython.notebook;
|
||||
|
||||
if (event.which === key.ENTER && !(event.ctrlKey || event.altKey || event.shiftKey)) {
|
||||
// Enter edit mode = ENTER alone
|
||||
notebook.edit_mode();
|
||||
return false;
|
||||
} else if (event.which === key.UPARROW && !event.shiftKey) {
|
||||
var index = notebook.get_selected_index();
|
||||
if (index !== 0 && index !== null) {
|
||||
notebook.select_prev();
|
||||
var cell = notebook.get_selected_cell();
|
||||
cell.focus_cell();
|
||||
};
|
||||
return false;
|
||||
} else if (event.which === key.DOWNARROW && !event.shiftKey) {
|
||||
var index = notebook.get_selected_index();
|
||||
if (index !== (notebook.ncells()-1) && index !== null) {
|
||||
notebook.select_next();
|
||||
var cell = notebook.get_selected_cell();
|
||||
cell.focus_cell();
|
||||
};
|
||||
return false;
|
||||
} else if (event.which === 88) {
|
||||
// Cut selected cell = x
|
||||
notebook.cut_cell();
|
||||
return false;
|
||||
} else if (event.which === 67) {
|
||||
// Copy selected cell = c
|
||||
notebook.copy_cell();
|
||||
return false;
|
||||
} else if (event.which === 86) {
|
||||
// Paste below selected cell = v
|
||||
notebook.paste_cell_below();
|
||||
return false;
|
||||
} else if (event.which === 68) {
|
||||
// Delete selected cell = d
|
||||
var dc = this.delete_count;
|
||||
console.log('delete_count', dc);
|
||||
if (dc === 0) {
|
||||
this.delete_count = 1;
|
||||
setTimeout(function () {
|
||||
that.delete_count = 0;
|
||||
}, 1000);
|
||||
} else if (dc === 1) {
|
||||
notebook.delete_cell();
|
||||
}
|
||||
return false;
|
||||
} else if (event.which === 65) {
|
||||
// Insert code cell above selected = a
|
||||
notebook.insert_cell_above('code');
|
||||
notebook.select_prev();
|
||||
return false;
|
||||
} else if (event.which === 66) {
|
||||
// Insert code cell below selected = b
|
||||
notebook.insert_cell_below('code');
|
||||
notebook.select_next();
|
||||
return false;
|
||||
} else if (event.which === 89) {
|
||||
// To code = y
|
||||
notebook.to_code();
|
||||
return false;
|
||||
} else if (event.which === 77) {
|
||||
// To markdown = m
|
||||
notebook.to_markdown();
|
||||
return false;
|
||||
} else if (event.which === 84) {
|
||||
// To Raw = t
|
||||
notebook.to_raw();
|
||||
return false;
|
||||
} else if (event.which === 49) {
|
||||
// To Heading 1 = 1
|
||||
notebook.to_heading(undefined, 1);
|
||||
return false;
|
||||
} else if (event.which === 50) {
|
||||
// To Heading 2 = 2
|
||||
notebook.to_heading(undefined, 2);
|
||||
return false;
|
||||
} else if (event.which === 51) {
|
||||
// To Heading 3 = 3
|
||||
notebook.to_heading(undefined, 3);
|
||||
return false;
|
||||
} else if (event.which === 52) {
|
||||
// To Heading 4 = 4
|
||||
notebook.to_heading(undefined, 4);
|
||||
return false;
|
||||
} else if (event.which === 53) {
|
||||
// To Heading 5 = 5
|
||||
notebook.to_heading(undefined, 5);
|
||||
return false;
|
||||
} else if (event.which === 54) {
|
||||
// To Heading 6 = 6
|
||||
notebook.to_heading(undefined, 6);
|
||||
return false;
|
||||
} else if (event.which === 79) {
|
||||
// Toggle output = o
|
||||
if (event.shiftKey) {
|
||||
notebook.toggle_output_scroll();
|
||||
} else {
|
||||
notebook.toggle_output();
|
||||
};
|
||||
return false;
|
||||
} else if (event.which === 83) {
|
||||
// Save notebook = s
|
||||
notebook.save_checkpoint();
|
||||
return false;
|
||||
} else if (event.which === 74) {
|
||||
// Move cell down = j
|
||||
notebook.move_cell_down();
|
||||
return false;
|
||||
} else if (event.which === 75) {
|
||||
// Move cell up = k
|
||||
notebook.move_cell_up();
|
||||
return false;
|
||||
} else if (event.which === 80) {
|
||||
// Select previous = p
|
||||
notebook.select_prev();
|
||||
return false;
|
||||
} else if (event.which === 78) {
|
||||
// Select next = n
|
||||
notebook.select_next();
|
||||
return false;
|
||||
} else if (event.which === 76) {
|
||||
// Toggle line numbers = l
|
||||
notebook.cell_toggle_line_numbers();
|
||||
return false;
|
||||
} else if (event.which === 73) {
|
||||
// Interrupt kernel = i
|
||||
notebook.kernel.interrupt();
|
||||
return false;
|
||||
} else if (event.which === 190) {
|
||||
// Restart kernel = . # matches qt console
|
||||
notebook.restart_kernel();
|
||||
return false;
|
||||
} else if (event.which === 72) {
|
||||
// Show keyboard shortcuts = h
|
||||
IPython.quick_help.show_keyboard_shortcuts();
|
||||
return false;
|
||||
} else if (event.which === 90) {
|
||||
// Undo last cell delete = z
|
||||
notebook.undelete_cell();
|
||||
return false;
|
||||
} else if (event.which === 189 || event.which === 173) {
|
||||
// how fun! '-' is 189 in Chrome, but 173 in FF and Opera
|
||||
// Split cell = -
|
||||
notebook.split_cell();
|
||||
return false;
|
||||
} else if ((event.which === 61 || event.which === 187) && event.shiftKey) {
|
||||
notebook.merge_cell_below();
|
||||
return false;
|
||||
};
|
||||
// If we havn't handled it, let someone else.
|
||||
return true;
|
||||
};
|
||||
|
||||
KeyboardManager.prototype.edit_mode = function () {
|
||||
console.log('KeyboardManager', 'changing to edit mode');
|
||||
this.last_mode = this.mode;
|
||||
@ -285,7 +553,25 @@ var IPython = (function (IPython) {
|
||||
this.enabled = false;
|
||||
}
|
||||
|
||||
KeyboardManager.prototype.register_events = function (e) {
|
||||
var that = this;
|
||||
e.on('focusin', function () {
|
||||
that.command_mode();
|
||||
that.disable();
|
||||
});
|
||||
e.on('focusout', function () {
|
||||
that.command_mode();
|
||||
that.enable();
|
||||
})
|
||||
}
|
||||
|
||||
|
||||
IPython.keycodes = keycodes;
|
||||
IPython.inv_keycodes = inv_keycodes;
|
||||
IPython.default_common_shortcuts = default_common_shortcuts;
|
||||
IPython.default_edit_shortcuts = default_edit_shortcuts;
|
||||
IPython.default_command_shortcuts = default_command_shortcuts;
|
||||
IPython.ShortcutManager = ShortcutManager;
|
||||
IPython.KeyboardManager = KeyboardManager;
|
||||
|
||||
return IPython;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user