|
|
// Copyright (c) IPython Development Team.
|
|
|
// Distributed under the terms of the Modified BSD License.
|
|
|
|
|
|
define([
|
|
|
'base/js/namespace',
|
|
|
'jquery',
|
|
|
'base/js/utils',
|
|
|
'base/js/dialog',
|
|
|
], function(IPython, $, utils, dialog) {
|
|
|
"use strict";
|
|
|
var platform = utils.platform;
|
|
|
|
|
|
var QuickHelp = function (options) {
|
|
|
/**
|
|
|
* Constructor
|
|
|
*
|
|
|
* Parameters:
|
|
|
* options: dictionary
|
|
|
* Dictionary of keyword arguments.
|
|
|
* events: $(Events) instance
|
|
|
* keyboard_manager: KeyboardManager instance
|
|
|
* notebook: Notebook instance
|
|
|
*/
|
|
|
this.keyboard_manager = options.keyboard_manager;
|
|
|
this.notebook = options.notebook;
|
|
|
this.keyboard_manager.quick_help = this;
|
|
|
this.events = options.events;
|
|
|
};
|
|
|
|
|
|
var cmd_ctrl = 'Ctrl-';
|
|
|
var platform_specific;
|
|
|
|
|
|
if (platform === 'MacOS') {
|
|
|
// Mac OS X specific
|
|
|
cmd_ctrl = 'Cmd-';
|
|
|
platform_specific = [
|
|
|
{ shortcut: "Cmd-Up", help:"go to cell start" },
|
|
|
{ shortcut: "Cmd-Down", help:"go to cell end" },
|
|
|
{ shortcut: "Alt-Left", help:"go one word left" },
|
|
|
{ shortcut: "Alt-Right", help:"go one word right" },
|
|
|
{ shortcut: "Alt-Backspace", help:"del word before" },
|
|
|
{ shortcut: "Alt-Delete", help:"del word after" },
|
|
|
];
|
|
|
} else {
|
|
|
// PC specific
|
|
|
platform_specific = [
|
|
|
{ shortcut: "Ctrl-Home", help:"go to cell start" },
|
|
|
{ shortcut: "Ctrl-Up", help:"go to cell start" },
|
|
|
{ shortcut: "Ctrl-End", help:"go to cell end" },
|
|
|
{ shortcut: "Ctrl-Down", help:"go to cell end" },
|
|
|
{ shortcut: "Ctrl-Left", help:"go one word left" },
|
|
|
{ shortcut: "Ctrl-Right", help:"go one word right" },
|
|
|
{ shortcut: "Ctrl-Backspace", help:"del word before" },
|
|
|
{ shortcut: "Ctrl-Delete", help:"del word after" },
|
|
|
];
|
|
|
}
|
|
|
|
|
|
var cm_shortcuts = [
|
|
|
{ shortcut:"Tab", help:"code completion or indent" },
|
|
|
{ shortcut:"Shift-Tab", help:"tooltip" },
|
|
|
{ shortcut: cmd_ctrl + "]", help:"indent" },
|
|
|
{ shortcut: cmd_ctrl + "[", help:"dedent" },
|
|
|
{ shortcut: cmd_ctrl + "a", help:"select all" },
|
|
|
{ shortcut: cmd_ctrl + "z", help:"undo" },
|
|
|
{ shortcut: cmd_ctrl + "Shift-z", help:"redo" },
|
|
|
{ shortcut: cmd_ctrl + "y", help:"redo" },
|
|
|
].concat( platform_specific );
|
|
|
|
|
|
var mac_humanize_map = {
|
|
|
// all these are unicode, will probably display badly on anything except macs.
|
|
|
// these are the standard symbol that are used in MacOS native menus
|
|
|
// cf http://apple.stackexchange.com/questions/55727/
|
|
|
// for htmlentities and/or unicode value
|
|
|
'cmd':'⌘',
|
|
|
'shift':'⇧',
|
|
|
'alt':'⌥',
|
|
|
'up':'↑',
|
|
|
'down':'↓',
|
|
|
'left':'←',
|
|
|
'right':'→',
|
|
|
'eject':'⏏',
|
|
|
'tab':'⇥',
|
|
|
'backtab':'⇤',
|
|
|
'capslock':'⇪',
|
|
|
'esc':'⎋',
|
|
|
'ctrl':'⌃',
|
|
|
'enter':'↩',
|
|
|
'pageup':'⇞',
|
|
|
'pagedown':'⇟',
|
|
|
'home':'↖',
|
|
|
'end':'↘',
|
|
|
'altenter':'⌤',
|
|
|
'space':'␣',
|
|
|
'delete':'⌦',
|
|
|
'backspace':'⌫',
|
|
|
'apple':'',
|
|
|
};
|
|
|
|
|
|
var default_humanize_map = {
|
|
|
'shift':'Shift',
|
|
|
'alt':'Alt',
|
|
|
'up':'Up',
|
|
|
'down':'Down',
|
|
|
'left':'Left',
|
|
|
'right':'Right',
|
|
|
'tab':'Tab',
|
|
|
'capslock':'Caps Lock',
|
|
|
'esc':'Esc',
|
|
|
'ctrl':'Ctrl',
|
|
|
'enter':'Enter',
|
|
|
'pageup':'Page Up',
|
|
|
'pagedown':'Page Down',
|
|
|
'home':'Home',
|
|
|
'end':'End',
|
|
|
'space':'Space',
|
|
|
'backspace':'Backspace',
|
|
|
};
|
|
|
|
|
|
var humanize_map;
|
|
|
|
|
|
if (platform === 'MacOS'){
|
|
|
humanize_map = mac_humanize_map;
|
|
|
} else {
|
|
|
humanize_map = default_humanize_map;
|
|
|
}
|
|
|
|
|
|
function humanize_key(key){
|
|
|
if (key.length === 1){
|
|
|
key = key.toUpperCase();
|
|
|
}
|
|
|
return humanize_map[key.toLowerCase()]||key;
|
|
|
}
|
|
|
|
|
|
function humanize_sequence(sequence){
|
|
|
var joinchar = ',';
|
|
|
var hum = _.map(sequence.replace(/meta/g, 'cmd').split(','), humanize_shortcut).join(joinchar);
|
|
|
return hum;
|
|
|
}
|
|
|
|
|
|
function humanize_shortcut(shortcut){
|
|
|
var joinchar = '-';
|
|
|
if (platform === 'MacOS'){
|
|
|
joinchar = '';
|
|
|
}
|
|
|
var sh = _.map(shortcut.split('-'), humanize_key ).join(joinchar);
|
|
|
return sh;
|
|
|
}
|
|
|
|
|
|
|
|
|
QuickHelp.prototype.show_keyboard_shortcuts = function () {
|
|
|
/**
|
|
|
* toggles display of keyboard shortcut dialog
|
|
|
*/
|
|
|
var that = this;
|
|
|
if ( this.force_rebuild ) {
|
|
|
this.shortcut_dialog.remove();
|
|
|
delete(this.shortcut_dialog);
|
|
|
this.force_rebuild = false;
|
|
|
}
|
|
|
if ( this.shortcut_dialog ){
|
|
|
// if dialog is already shown, close it
|
|
|
$(this.shortcut_dialog).modal("toggle");
|
|
|
return;
|
|
|
}
|
|
|
var command_shortcuts = this.keyboard_manager.command_shortcuts.help();
|
|
|
var edit_shortcuts = this.keyboard_manager.edit_shortcuts.help();
|
|
|
var help, shortcut;
|
|
|
var i, half, n;
|
|
|
var element = $('<div/>');
|
|
|
|
|
|
// The documentation
|
|
|
var doc = $('<div/>').addClass('alert alert-warning');
|
|
|
doc.append(
|
|
|
$('<button/>').addClass('close').attr('data-dismiss','alert').html('×')
|
|
|
).append(
|
|
|
'The IPython Notebook has two different keyboard input modes. <b>Edit mode</b> '+
|
|
|
'allows you to type code/text into a cell and is indicated by a green cell '+
|
|
|
'border. <b>Command mode</b> binds the keyboard to notebook level actions '+
|
|
|
'and is indicated by a grey cell border.'
|
|
|
);
|
|
|
element.append(doc);
|
|
|
|
|
|
// Command mode
|
|
|
var cmd_div = this.build_command_help();
|
|
|
element.append(cmd_div);
|
|
|
|
|
|
// Edit mode
|
|
|
var edit_div = this.build_edit_help(cm_shortcuts);
|
|
|
element.append(edit_div);
|
|
|
|
|
|
this.shortcut_dialog = dialog.modal({
|
|
|
title : "Keyboard shortcuts",
|
|
|
body : element,
|
|
|
destroy : false,
|
|
|
buttons : {
|
|
|
Close : {}
|
|
|
},
|
|
|
notebook: this.notebook,
|
|
|
keyboard_manager: this.keyboard_manager,
|
|
|
});
|
|
|
this.shortcut_dialog.addClass("modal_stretch");
|
|
|
|
|
|
this.events.on('rebuild.QuickHelp', function() { that.force_rebuild = true;});
|
|
|
};
|
|
|
|
|
|
QuickHelp.prototype.build_command_help = function () {
|
|
|
var command_shortcuts = this.keyboard_manager.command_shortcuts.help();
|
|
|
return build_div('<h4>Command Mode (press <code>Esc</code> to enable)</h4>', command_shortcuts);
|
|
|
};
|
|
|
|
|
|
var special_case = { pageup: "PageUp", pagedown: "Page Down", 'minus': '-' };
|
|
|
var prettify = function (s) {
|
|
|
s = s.replace(/-$/, 'minus'); // catch shortcuts using '-' key
|
|
|
var keys = s.split('-');
|
|
|
var k, i;
|
|
|
for (i=0; i < keys.length; i++) {
|
|
|
k = keys[i];
|
|
|
if ( k.length == 1 ) {
|
|
|
keys[i] = "<code><strong>" + k + "</strong></code>";
|
|
|
continue; // leave individual keys lower-cased
|
|
|
}
|
|
|
if (k.indexOf(',') === -1){
|
|
|
keys[i] = ( special_case[k] ? special_case[k] : k.charAt(0).toUpperCase() + k.slice(1) );
|
|
|
}
|
|
|
keys[i] = "<code><strong>" + keys[i] + "</strong></code>";
|
|
|
}
|
|
|
return keys.join('-');
|
|
|
|
|
|
|
|
|
};
|
|
|
|
|
|
QuickHelp.prototype.build_edit_help = function (cm_shortcuts) {
|
|
|
var edit_shortcuts = this.keyboard_manager.edit_shortcuts.help();
|
|
|
jQuery.merge(cm_shortcuts, edit_shortcuts);
|
|
|
return build_div('<h4>Edit Mode (press <code>Enter</code> to enable)</h4>', cm_shortcuts);
|
|
|
};
|
|
|
|
|
|
var build_one = function (s) {
|
|
|
var help = s.help;
|
|
|
var shortcut = '';
|
|
|
if(s.shortcut){
|
|
|
shortcut = prettify(humanize_sequence(s.shortcut));
|
|
|
}
|
|
|
return $('<div>').addClass('quickhelp').
|
|
|
append($('<span/>').addClass('shortcut_key').append($(shortcut))).
|
|
|
append($('<span/>').addClass('shortcut_descr').text(' : ' + help));
|
|
|
|
|
|
};
|
|
|
|
|
|
var build_div = function (title, shortcuts) {
|
|
|
var i, half, n;
|
|
|
var div = $('<div/>').append($(title));
|
|
|
var sub_div = $('<div/>').addClass('hbox');
|
|
|
var col1 = $('<div/>').addClass('box-flex1');
|
|
|
var col2 = $('<div/>').addClass('box-flex1');
|
|
|
n = shortcuts.length;
|
|
|
half = ~~(n/2); // Truncate :)
|
|
|
for (i=0; i<half; i++) { col1.append( build_one(shortcuts[i]) ); }
|
|
|
for (i=half; i<n; i++) { col2.append( build_one(shortcuts[i]) ); }
|
|
|
sub_div.append(col1).append(col2);
|
|
|
div.append(sub_div);
|
|
|
return div;
|
|
|
};
|
|
|
|
|
|
// Backwards compatability.
|
|
|
IPython.QuickHelp = QuickHelp;
|
|
|
|
|
|
return {'QuickHelp': QuickHelp};
|
|
|
});
|
|
|
|
