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/**
* @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or http://ckeditor.com/license
*/
CKEDITOR.dialog.add( 'a11yHelp', function( editor ) {
var lang = editor.lang.a11yhelp,
id = CKEDITOR.tools.getNextId();
// CharCode <-> KeyChar.
var keyMap = {
8: lang.backspace,
9: lang.tab,
13: lang.enter,
16: lang.shift,
17: lang.ctrl,
18: lang.alt,
19: lang.pause,
20: lang.capslock,
27: lang.escape,
33: lang.pageUp,
34: lang.pageDown,
35: lang.end,
36: lang.home,
37: lang.leftArrow,
38: lang.upArrow,
39: lang.rightArrow,
40: lang.downArrow,
45: lang.insert,
46: lang[ 'delete' ],
91: lang.leftWindowKey,
92: lang.rightWindowKey,
93: lang.selectKey,
96: lang.numpad0,
97: lang.numpad1,
98: lang.numpad2,
99: lang.numpad3,
100: lang.numpad4,
101: lang.numpad5,
102: lang.numpad6,
103: lang.numpad7,
104: lang.numpad8,
105: lang.numpad9,
106: lang.multiply,
107: lang.add,
109: lang.subtract,
110: lang.decimalPoint,
111: lang.divide,
112: lang.f1,
113: lang.f2,
114: lang.f3,
115: lang.f4,
116: lang.f5,
117: lang.f6,
118: lang.f7,
119: lang.f8,
120: lang.f9,
121: lang.f10,
122: lang.f11,
123: lang.f12,
144: lang.numLock,
145: lang.scrollLock,
186: lang.semiColon,
187: lang.equalSign,
188: lang.comma,
189: lang.dash,
190: lang.period,
191: lang.forwardSlash,
192: lang.graveAccent,
219: lang.openBracket,
220: lang.backSlash,
221: lang.closeBracket,
222: lang.singleQuote
};
// Modifier keys override.
keyMap[ CKEDITOR.ALT ] = lang.alt;
keyMap[ CKEDITOR.SHIFT ] = lang.shift;
keyMap[ CKEDITOR.CTRL ] = lang.ctrl;
// Sort in desc.
var modifiers = [ CKEDITOR.ALT, CKEDITOR.SHIFT, CKEDITOR.CTRL ];
function representKeyStroke( keystroke ) {
var quotient, modifier,
presentation = [];
for ( var i = 0; i < modifiers.length; i++ ) {
modifier = modifiers[ i ];
quotient = keystroke / modifiers[ i ];
if ( quotient > 1 && quotient <= 2 ) {
keystroke -= modifier;
presentation.push( keyMap[ modifier ] );
}
}
presentation.push( keyMap[ keystroke ] || String.fromCharCode( keystroke ) );
return presentation.join( '+' );
}
var variablesPattern = /\$\{(.*?)\}/g;
var replaceVariables = ( function() {
// Swaps keystrokes with their commands in object literal.
// This makes searching keystrokes by command much easier.
var keystrokesByCode = editor.keystrokeHandler.keystrokes,
keystrokesByName = {};
for ( var i in keystrokesByCode )
keystrokesByName[ keystrokesByCode[ i ] ] = i;
return function( match, name ) {
// Return the keystroke representation or leave match untouched
// if there's no keystroke for such command.
return keystrokesByName[ name ] ? representKeyStroke( keystrokesByName[ name ] ) : match;
};
} )();
// Create the help list directly from lang file entries.
function buildHelpContents() {
var pageTpl = '<div class="cke_accessibility_legend" role="document" aria-labelledby="' + id + '_arialbl" tabIndex="-1">%1</div>' +
'<span id="' + id + '_arialbl" class="cke_voice_label">' + lang.contents + ' </span>',
sectionTpl = '<h1>%1</h1><dl>%2</dl>',
itemTpl = '<dt>%1</dt><dd>%2</dd>';
var pageHtml = [],
sections = lang.legend,
sectionLength = sections.length;
for ( var i = 0; i < sectionLength; i++ ) {
var section = sections[ i ],
sectionHtml = [],
items = section.items,
itemsLength = items.length;
for ( var j = 0; j < itemsLength; j++ ) {
var item = items[ j ],
itemLegend = item.legend.replace( variablesPattern, replaceVariables );
// (#9765) If some commands haven't been replaced in the legend,
// most likely their keystrokes are unavailable and we shouldn't include
// them in our help list.
if ( itemLegend.match( variablesPattern ) )
continue;
sectionHtml.push( itemTpl.replace( '%1', item.name ).replace( '%2', itemLegend ) );
}
pageHtml.push( sectionTpl.replace( '%1', section.name ).replace( '%2', sectionHtml.join( '' ) ) );
}
return pageTpl.replace( '%1', pageHtml.join( '' ) );
}
return {
title: lang.title,
minWidth: 600,
minHeight: 400,
contents: [ {
id: 'info',
label: editor.lang.common.generalTab,
expand: true,
elements: [
{
type: 'html',
id: 'legends',
style: 'white-space:normal;',
focus: function() {
this.getElement().focus();
},
html: buildHelpContents() + '<style type="text/css">' +
'.cke_accessibility_legend' +
'{' +
'width:600px;' +
'height:400px;' +
'padding-right:5px;' +
'overflow-y:auto;' +
'overflow-x:hidden;' +
'}' +
// Some adjustments are to be done for Quirks to work "properly" (#5757)
'.cke_browser_quirks .cke_accessibility_legend,' +
'{' +
'height:390px' +
'}' +
// Override non-wrapping white-space rule in reset css.
'.cke_accessibility_legend *' +
'{' +
'white-space:normal;' +
'}' +
'.cke_accessibility_legend h1' +
'{' +
'font-size: 20px;' +
'border-bottom: 1px solid #AAA;' +
'margin: 5px 0px 15px;' +
'}' +
'.cke_accessibility_legend dl' +
'{' +
'margin-left: 5px;' +
'}' +
'.cke_accessibility_legend dt' +
'{' +
'font-size: 13px;' +
'font-weight: bold;' +
'}' +
'.cke_accessibility_legend dd' +
'{' +
'margin:10px' +
'}' +
'</style>'
}
]
} ],
buttons: [ CKEDITOR.dialog.cancelButton ]
};
} );
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