|
|
//----------------------------------------------------------------------------
|
|
|
// Copyright (C) 2011 The IPython Development Team
|
|
|
//
|
|
|
// Distributed under the terms of the BSD License. The full license is in
|
|
|
// the file COPYING, distributed as part of this software.
|
|
|
//----------------------------------------------------------------------------
|
|
|
|
|
|
//============================================================================
|
|
|
// Keyboard management
|
|
|
//============================================================================
|
|
|
|
|
|
var IPython = (function (IPython) {
|
|
|
"use strict";
|
|
|
|
|
|
var browser = IPython.utils.browser[0];
|
|
|
var platform = IPython.utils.platform;
|
|
|
|
|
|
// Default keyboard shortcuts
|
|
|
|
|
|
var default_common_shortcuts = {
|
|
|
'shift' : {
|
|
|
help : '',
|
|
|
help_index : '',
|
|
|
handler : function (event) {
|
|
|
// ignore shift keydown
|
|
|
return true;
|
|
|
}
|
|
|
},
|
|
|
'shift-enter' : {
|
|
|
help : 'run cell, select below',
|
|
|
help_index : 'ba',
|
|
|
handler : function (event) {
|
|
|
IPython.notebook.execute_cell_and_select_below();
|
|
|
return false;
|
|
|
}
|
|
|
},
|
|
|
'ctrl-enter' : {
|
|
|
help : 'run cell',
|
|
|
help_index : 'bb',
|
|
|
handler : function (event) {
|
|
|
IPython.notebook.execute_cell();
|
|
|
return false;
|
|
|
}
|
|
|
},
|
|
|
'alt-enter' : {
|
|
|
help : 'run cell, insert below',
|
|
|
help_index : 'bc',
|
|
|
handler : function (event) {
|
|
|
IPython.notebook.execute_cell_and_insert_below();
|
|
|
return false;
|
|
|
}
|
|
|
}
|
|
|
};
|
|
|
|
|
|
if (platform === 'MacOS') {
|
|
|
default_common_shortcuts['cmd-s'] =
|
|
|
{
|
|
|
help : 'save notebook',
|
|
|
help_index : 'fb',
|
|
|
handler : function (event) {
|
|
|
IPython.notebook.save_checkpoint();
|
|
|
event.preventDefault();
|
|
|
return false;
|
|
|
}
|
|
|
};
|
|
|
} else {
|
|
|
default_common_shortcuts['ctrl-s'] =
|
|
|
{
|
|
|
help : 'save notebook',
|
|
|
help_index : 'fb',
|
|
|
handler : function (event) {
|
|
|
IPython.notebook.save_checkpoint();
|
|
|
event.preventDefault();
|
|
|
return false;
|
|
|
}
|
|
|
};
|
|
|
}
|
|
|
|
|
|
// Edit mode defaults
|
|
|
|
|
|
var default_edit_shortcuts = {
|
|
|
'esc' : {
|
|
|
help : 'command mode',
|
|
|
help_index : 'aa',
|
|
|
handler : function (event) {
|
|
|
IPython.notebook.command_mode();
|
|
|
return false;
|
|
|
}
|
|
|
},
|
|
|
'ctrl-m' : {
|
|
|
help : 'command mode',
|
|
|
help_index : 'ab',
|
|
|
handler : function (event) {
|
|
|
IPython.notebook.command_mode();
|
|
|
return false;
|
|
|
}
|
|
|
},
|
|
|
'up' : {
|
|
|
help : '',
|
|
|
help_index : '',
|
|
|
handler : function (event) {
|
|
|
var index = IPython.notebook.get_selected_index();
|
|
|
var cell = IPython.notebook.get_cell(index);
|
|
|
if (cell && cell.at_top() && index !== 0) {
|
|
|
event.preventDefault();
|
|
|
IPython.notebook.command_mode();
|
|
|
IPython.notebook.select_prev();
|
|
|
IPython.notebook.edit_mode();
|
|
|
var cm = IPython.notebook.get_selected_cell().code_mirror;
|
|
|
cm.setCursor(cm.lastLine(), 0);
|
|
|
return false;
|
|
|
} else if (cell) {
|
|
|
var cm = cell.code_mirror;
|
|
|
cm.execCommand('goLineUp');
|
|
|
return false;
|
|
|
}
|
|
|
}
|
|
|
},
|
|
|
'down' : {
|
|
|
help : '',
|
|
|
help_index : '',
|
|
|
handler : function (event) {
|
|
|
var index = IPython.notebook.get_selected_index();
|
|
|
var cell = IPython.notebook.get_cell(index);
|
|
|
if (cell.at_bottom() && index !== (IPython.notebook.ncells()-1)) {
|
|
|
event.preventDefault();
|
|
|
IPython.notebook.command_mode();
|
|
|
IPython.notebook.select_next();
|
|
|
IPython.notebook.edit_mode();
|
|
|
var cm = IPython.notebook.get_selected_cell().code_mirror;
|
|
|
cm.setCursor(0, 0);
|
|
|
return false;
|
|
|
} else {
|
|
|
var cm = cell.code_mirror;
|
|
|
cm.execCommand('goLineDown');
|
|
|
return false;
|
|
|
}
|
|
|
}
|
|
|
},
|
|
|
'ctrl-shift--' : {
|
|
|
help : 'split cell',
|
|
|
help_index : 'ea',
|
|
|
handler : function (event) {
|
|
|
IPython.notebook.split_cell();
|
|
|
return false;
|
|
|
}
|
|
|
},
|
|
|
'ctrl-shift-subtract' : {
|
|
|
help : '',
|
|
|
help_index : 'eb',
|
|
|
handler : function (event) {
|
|
|
IPython.notebook.split_cell();
|
|
|
return false;
|
|
|
}
|
|
|
},
|
|
|
};
|
|
|
|
|
|
// Command mode defaults
|
|
|
|
|
|
var default_command_shortcuts = {
|
|
|
'enter' : {
|
|
|
help : 'edit mode',
|
|
|
help_index : 'aa',
|
|
|
handler : function (event) {
|
|
|
IPython.notebook.edit_mode();
|
|
|
return false;
|
|
|
}
|
|
|
},
|
|
|
'up' : {
|
|
|
help : 'select previous cell',
|
|
|
help_index : 'da',
|
|
|
handler : function (event) {
|
|
|
var index = IPython.notebook.get_selected_index();
|
|
|
if (index !== 0 && index !== null) {
|
|
|
IPython.notebook.select_prev();
|
|
|
IPython.notebook.focus_cell();
|
|
|
}
|
|
|
return false;
|
|
|
}
|
|
|
},
|
|
|
'down' : {
|
|
|
help : 'select next cell',
|
|
|
help_index : 'db',
|
|
|
handler : function (event) {
|
|
|
var index = IPython.notebook.get_selected_index();
|
|
|
if (index !== (IPython.notebook.ncells()-1) && index !== null) {
|
|
|
IPython.notebook.select_next();
|
|
|
IPython.notebook.focus_cell();
|
|
|
}
|
|
|
return false;
|
|
|
}
|
|
|
},
|
|
|
'k' : {
|
|
|
help : 'select previous cell',
|
|
|
help_index : 'dc',
|
|
|
handler : function (event) {
|
|
|
var index = IPython.notebook.get_selected_index();
|
|
|
if (index !== 0 && index !== null) {
|
|
|
IPython.notebook.select_prev();
|
|
|
IPython.notebook.focus_cell();
|
|
|
}
|
|
|
return false;
|
|
|
}
|
|
|
},
|
|
|
'j' : {
|
|
|
help : 'select next cell',
|
|
|
help_index : 'dd',
|
|
|
handler : function (event) {
|
|
|
var index = IPython.notebook.get_selected_index();
|
|
|
if (index !== (IPython.notebook.ncells()-1) && index !== null) {
|
|
|
IPython.notebook.select_next();
|
|
|
IPython.notebook.focus_cell();
|
|
|
}
|
|
|
return false;
|
|
|
}
|
|
|
},
|
|
|
'x' : {
|
|
|
help : 'cut cell',
|
|
|
help_index : 'ee',
|
|
|
handler : function (event) {
|
|
|
IPython.notebook.cut_cell();
|
|
|
return false;
|
|
|
}
|
|
|
},
|
|
|
'c' : {
|
|
|
help : 'copy cell',
|
|
|
help_index : 'ef',
|
|
|
handler : function (event) {
|
|
|
IPython.notebook.copy_cell();
|
|
|
return false;
|
|
|
}
|
|
|
},
|
|
|
'shift-v' : {
|
|
|
help : 'paste cell above',
|
|
|
help_index : 'eg',
|
|
|
handler : function (event) {
|
|
|
IPython.notebook.paste_cell_above();
|
|
|
return false;
|
|
|
}
|
|
|
},
|
|
|
'v' : {
|
|
|
help : 'paste cell below',
|
|
|
help_index : 'eh',
|
|
|
handler : function (event) {
|
|
|
IPython.notebook.paste_cell_below();
|
|
|
return false;
|
|
|
}
|
|
|
},
|
|
|
'd' : {
|
|
|
help : 'delete cell (press twice)',
|
|
|
help_index : 'ej',
|
|
|
count: 2,
|
|
|
handler : function (event) {
|
|
|
IPython.notebook.delete_cell();
|
|
|
return false;
|
|
|
}
|
|
|
},
|
|
|
'a' : {
|
|
|
help : 'insert cell above',
|
|
|
help_index : 'ec',
|
|
|
handler : function (event) {
|
|
|
IPython.notebook.insert_cell_above();
|
|
|
IPython.notebook.select_prev();
|
|
|
IPython.notebook.focus_cell();
|
|
|
return false;
|
|
|
}
|
|
|
},
|
|
|
'b' : {
|
|
|
help : 'insert cell below',
|
|
|
help_index : 'ed',
|
|
|
handler : function (event) {
|
|
|
IPython.notebook.insert_cell_below();
|
|
|
IPython.notebook.select_next();
|
|
|
IPython.notebook.focus_cell();
|
|
|
return false;
|
|
|
}
|
|
|
},
|
|
|
'y' : {
|
|
|
help : 'to code',
|
|
|
help_index : 'ca',
|
|
|
handler : function (event) {
|
|
|
IPython.notebook.to_code();
|
|
|
return false;
|
|
|
}
|
|
|
},
|
|
|
'm' : {
|
|
|
help : 'to markdown',
|
|
|
help_index : 'cb',
|
|
|
handler : function (event) {
|
|
|
IPython.notebook.to_markdown();
|
|
|
return false;
|
|
|
}
|
|
|
},
|
|
|
'r' : {
|
|
|
help : 'to raw',
|
|
|
help_index : 'cc',
|
|
|
handler : function (event) {
|
|
|
IPython.notebook.to_raw();
|
|
|
return false;
|
|
|
}
|
|
|
},
|
|
|
'1' : {
|
|
|
help : 'to heading 1',
|
|
|
help_index : 'cd',
|
|
|
handler : function (event) {
|
|
|
IPython.notebook.to_heading(undefined, 1);
|
|
|
return false;
|
|
|
}
|
|
|
},
|
|
|
'2' : {
|
|
|
help : 'to heading 2',
|
|
|
help_index : 'ce',
|
|
|
handler : function (event) {
|
|
|
IPython.notebook.to_heading(undefined, 2);
|
|
|
return false;
|
|
|
}
|
|
|
},
|
|
|
'3' : {
|
|
|
help : 'to heading 3',
|
|
|
help_index : 'cf',
|
|
|
handler : function (event) {
|
|
|
IPython.notebook.to_heading(undefined, 3);
|
|
|
return false;
|
|
|
}
|
|
|
},
|
|
|
'4' : {
|
|
|
help : 'to heading 4',
|
|
|
help_index : 'cg',
|
|
|
handler : function (event) {
|
|
|
IPython.notebook.to_heading(undefined, 4);
|
|
|
return false;
|
|
|
}
|
|
|
},
|
|
|
'5' : {
|
|
|
help : 'to heading 5',
|
|
|
help_index : 'ch',
|
|
|
handler : function (event) {
|
|
|
IPython.notebook.to_heading(undefined, 5);
|
|
|
return false;
|
|
|
}
|
|
|
},
|
|
|
'6' : {
|
|
|
help : 'to heading 6',
|
|
|
help_index : 'ci',
|
|
|
handler : function (event) {
|
|
|
IPython.notebook.to_heading(undefined, 6);
|
|
|
return false;
|
|
|
}
|
|
|
},
|
|
|
'o' : {
|
|
|
help : 'toggle output',
|
|
|
help_index : 'gb',
|
|
|
handler : function (event) {
|
|
|
IPython.notebook.toggle_output();
|
|
|
return false;
|
|
|
}
|
|
|
},
|
|
|
'shift-o' : {
|
|
|
help : 'toggle output scrolling',
|
|
|
help_index : 'gc',
|
|
|
handler : function (event) {
|
|
|
IPython.notebook.toggle_output_scroll();
|
|
|
return false;
|
|
|
}
|
|
|
},
|
|
|
's' : {
|
|
|
help : 'save notebook',
|
|
|
help_index : 'fa',
|
|
|
handler : function (event) {
|
|
|
IPython.notebook.save_checkpoint();
|
|
|
return false;
|
|
|
}
|
|
|
},
|
|
|
'ctrl-j' : {
|
|
|
help : 'move cell down',
|
|
|
help_index : 'eb',
|
|
|
handler : function (event) {
|
|
|
IPython.notebook.move_cell_down();
|
|
|
return false;
|
|
|
}
|
|
|
},
|
|
|
'ctrl-k' : {
|
|
|
help : 'move cell up',
|
|
|
help_index : 'ea',
|
|
|
handler : function (event) {
|
|
|
IPython.notebook.move_cell_up();
|
|
|
return false;
|
|
|
}
|
|
|
},
|
|
|
'l' : {
|
|
|
help : 'toggle line numbers',
|
|
|
help_index : 'ga',
|
|
|
handler : function (event) {
|
|
|
IPython.notebook.cell_toggle_line_numbers();
|
|
|
return false;
|
|
|
}
|
|
|
},
|
|
|
'i' : {
|
|
|
help : 'interrupt kernel (press twice)',
|
|
|
help_index : 'ha',
|
|
|
count: 2,
|
|
|
handler : function (event) {
|
|
|
IPython.notebook.kernel.interrupt();
|
|
|
return false;
|
|
|
}
|
|
|
},
|
|
|
'0' : {
|
|
|
help : 'restart kernel (press twice)',
|
|
|
help_index : 'hb',
|
|
|
count: 2,
|
|
|
handler : function (event) {
|
|
|
IPython.notebook.restart_kernel();
|
|
|
return false;
|
|
|
}
|
|
|
},
|
|
|
'h' : {
|
|
|
help : 'keyboard shortcuts',
|
|
|
help_index : 'ge',
|
|
|
handler : function (event) {
|
|
|
IPython.quick_help.show_keyboard_shortcuts();
|
|
|
return false;
|
|
|
}
|
|
|
},
|
|
|
'z' : {
|
|
|
help : 'undo last delete',
|
|
|
help_index : 'ei',
|
|
|
handler : function (event) {
|
|
|
IPython.notebook.undelete_cell();
|
|
|
return false;
|
|
|
}
|
|
|
},
|
|
|
'shift-m' : {
|
|
|
help : 'merge cell below',
|
|
|
help_index : 'ek',
|
|
|
handler : function (event) {
|
|
|
IPython.notebook.merge_cell_below();
|
|
|
return false;
|
|
|
}
|
|
|
},
|
|
|
'q' : {
|
|
|
help : 'close pager',
|
|
|
help_index : 'gd',
|
|
|
handler : function (event) {
|
|
|
IPython.pager.collapse();
|
|
|
return false;
|
|
|
}
|
|
|
},
|
|
|
};
|
|
|
|
|
|
|
|
|
// Main keyboard manager for the notebook
|
|
|
|
|
|
var ShortcutManager = IPython.keyboard.ShortcutManager;
|
|
|
var keycodes = IPython.keyboard.keycodes;
|
|
|
|
|
|
var KeyboardManager = function () {
|
|
|
this.mode = 'command';
|
|
|
this.enabled = true;
|
|
|
this.bind_events();
|
|
|
this.command_shortcuts = new ShortcutManager();
|
|
|
this.command_shortcuts.add_shortcuts(default_common_shortcuts);
|
|
|
this.command_shortcuts.add_shortcuts(default_command_shortcuts);
|
|
|
this.edit_shortcuts = new ShortcutManager();
|
|
|
this.edit_shortcuts.add_shortcuts(default_common_shortcuts);
|
|
|
this.edit_shortcuts.add_shortcuts(default_edit_shortcuts);
|
|
|
};
|
|
|
|
|
|
KeyboardManager.prototype.bind_events = function () {
|
|
|
var that = this;
|
|
|
$(document).keydown(function (event) {
|
|
|
return that.handle_keydown(event);
|
|
|
});
|
|
|
};
|
|
|
|
|
|
KeyboardManager.prototype.handle_keydown = function (event) {
|
|
|
var notebook = IPython.notebook;
|
|
|
|
|
|
if (event.which === keycodes.esc) {
|
|
|
// Intercept escape at highest level to avoid closing
|
|
|
// websocket connection with firefox
|
|
|
event.preventDefault();
|
|
|
}
|
|
|
|
|
|
if (!this.enabled) {
|
|
|
if (event.which === keycodes.esc) {
|
|
|
// ESC
|
|
|
notebook.command_mode();
|
|
|
return false;
|
|
|
}
|
|
|
return true;
|
|
|
}
|
|
|
|
|
|
if (this.mode === 'edit') {
|
|
|
return this.edit_shortcuts.call_handler(event);
|
|
|
} else if (this.mode === 'command') {
|
|
|
return this.command_shortcuts.call_handler(event);
|
|
|
}
|
|
|
return true;
|
|
|
};
|
|
|
|
|
|
KeyboardManager.prototype.edit_mode = function () {
|
|
|
this.last_mode = this.mode;
|
|
|
this.mode = 'edit';
|
|
|
};
|
|
|
|
|
|
KeyboardManager.prototype.command_mode = function () {
|
|
|
this.last_mode = this.mode;
|
|
|
this.mode = 'command';
|
|
|
};
|
|
|
|
|
|
KeyboardManager.prototype.enable = function () {
|
|
|
this.enabled = true;
|
|
|
};
|
|
|
|
|
|
KeyboardManager.prototype.disable = function () {
|
|
|
this.enabled = false;
|
|
|
};
|
|
|
|
|
|
KeyboardManager.prototype.register_events = function (e) {
|
|
|
var that = this;
|
|
|
var handle_focus = function () {
|
|
|
that.disable();
|
|
|
};
|
|
|
var handle_blur = function () {
|
|
|
that.enable();
|
|
|
};
|
|
|
e.on('focusin', handle_focus);
|
|
|
e.on('focusout', handle_blur);
|
|
|
// TODO: Very strange. The focusout event does not seem fire for the
|
|
|
// bootstrap textboxes on FF25&26... This works around that by
|
|
|
// registering focus and blur events recursively on all inputs within
|
|
|
// registered element.
|
|
|
e.find('input').blur(handle_blur);
|
|
|
e.on('DOMNodeInserted', function (event) {
|
|
|
var target = $(event.target);
|
|
|
if (target.is('input')) {
|
|
|
target.blur(handle_blur);
|
|
|
} else {
|
|
|
target.find('input').blur(handle_blur);
|
|
|
}
|
|
|
});
|
|
|
// There are times (raw_input) where we remove the element from the DOM before
|
|
|
// focusout is called. In this case we bind to the remove event of jQueryUI,
|
|
|
// which gets triggered upon removal, iff it is focused at the time.
|
|
|
// is_focused must be used to check for the case where an element within
|
|
|
// the element being removed is focused.
|
|
|
e.on('remove', function () {
|
|
|
if (IPython.utils.is_focused(e[0])) {
|
|
|
that.enable();
|
|
|
}
|
|
|
});
|
|
|
};
|
|
|
|
|
|
|
|
|
IPython.default_common_shortcuts = default_common_shortcuts;
|
|
|
IPython.default_edit_shortcuts = default_edit_shortcuts;
|
|
|
IPython.default_command_shortcuts = default_command_shortcuts;
|
|
|
IPython.KeyboardManager = KeyboardManager;
|
|
|
|
|
|
return IPython;
|
|
|
|
|
|
}(IPython));
|
|
|
|
