mirrored from git://git.moodle.org/moodle.git
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Browse files
Browse the repository at this point in the history
Merge branch 'MDL-62144-35' of git://github.com/damyon/moodle into MO…
…ODLE_35_STABLE
- Loading branch information
Showing
13 changed files
with
237 additions
and
14 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Some generated files are not rendered by default. Learn more about how customized files appear on GitHub.
Oops, something went wrong.
Some generated files are not rendered by default. Learn more about how customized files appear on GitHub.
Oops, something went wrong.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,183 @@ | ||
// This file is part of Moodle - http://moodle.org/ | ||
// | ||
// Moodle is free software: you can redistribute it and/or modify | ||
// it under the terms of the GNU General Public License as published by | ||
// the Free Software Foundation, either version 3 of the License, or | ||
// (at your option) any later version. | ||
// | ||
// Moodle is distributed in the hope that it will be useful, | ||
// but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
// GNU General Public License for more details. | ||
// | ||
// You should have received a copy of the GNU General Public License | ||
// along with Moodle. If not, see <http://www.gnu.org/licenses/>. | ||
|
||
/** | ||
* Enhancements to Bootstrap components for accessibility. | ||
* | ||
* @module theme_boost/aria | ||
* @copyright 2018 Damyon Wiese <damyon@moodle.com> | ||
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later | ||
*/ | ||
define(['jquery'], function($) { | ||
return { | ||
init: function() { | ||
// Drop downs from bootstrap don't support keyboard accessibility by default. | ||
var focusEnd = false, | ||
setFocusEnd = function() { | ||
focusEnd = true; | ||
}, | ||
getFocusEnd = function() { | ||
var result = focusEnd; | ||
focusEnd = false; | ||
return result; | ||
}; | ||
|
||
// Special handling for "up" keyboard control. | ||
$('[data-toggle="dropdown"]').keydown(function (e) { | ||
var trigger = e.which || e.keyCode, | ||
expanded; | ||
|
||
// Up key opens the menu at the end. | ||
if (trigger == 38) { | ||
// Focus the end of the menu, not the beginning. | ||
setFocusEnd(); | ||
} | ||
|
||
// Escape key only closes the menu, it doesn't open it. | ||
if (trigger == 27) { | ||
expanded = $(e.target).attr('aria-expanded'); | ||
e.preventDefault(); | ||
if (expanded == "false") { | ||
$(e.target).click(); | ||
} | ||
} | ||
|
||
// Space key or Enter key opens the menu. | ||
if (trigger == 32 || trigger == 13) { | ||
// Cancel random scroll. | ||
e.preventDefault(); | ||
// Open the menu instead. | ||
$(e.target).click(); | ||
} | ||
}); | ||
|
||
// Special handling for navigation keys when menu is open. | ||
var shiftFocus = function(element) { | ||
var delayedFocus = function() { | ||
$(this).focus(); | ||
}.bind(element); | ||
setTimeout(delayedFocus, 50); | ||
}; | ||
|
||
$('.dropdown').on('shown.bs.dropdown', function(e) { | ||
// We need to focus on the first menuitem. | ||
var menu = $(e.target).find('[role="menu"]'), | ||
menuItems = false, | ||
foundMenuItem = false; | ||
|
||
if (menu) { | ||
menuItems = $(menu).find('[role="menuitem"]'); | ||
} | ||
if (menuItems && menuItems.length > 0) { | ||
if (getFocusEnd()) { | ||
foundMenuItem = menuItems[menuItems.length - 1]; | ||
} else { | ||
// The first menu entry, pretty reasonable. | ||
foundMenuItem = menuItems[0]; | ||
} | ||
} | ||
if (foundMenuItem) { | ||
shiftFocus(foundMenuItem); | ||
} | ||
}); | ||
// Search for menu items. | ||
$('.dropdown [role="menu"] [role="menuitem"]').keypress(function (e) { | ||
var trigger = String.fromCharCode(e.which || e.keyCode), | ||
menu = $(e.target).closest('[role="menu"]'), | ||
i = 0, | ||
menuItems = false, | ||
item; | ||
|
||
if (!menu) { | ||
return; | ||
} | ||
menuItems = $(menu).find('[role="menuitem"]'); | ||
if (!menuItems) { | ||
return; | ||
} | ||
|
||
trigger = trigger.toLowerCase(); | ||
for (i = 0; i < menuItems.length; i++) { | ||
item = $(menuItems[i]); | ||
if ((item.text().trim().indexOf(trigger) == 0) || | ||
(item.text().trim().indexOf(trigger.toUpperCase()) == 0)) { | ||
shiftFocus(item); | ||
break; | ||
} | ||
} | ||
}); | ||
|
||
// Keyboard navigation for arrow keys, home and end keys. | ||
$('.dropdown [role="menu"] [role="menuitem"]').keydown(function (e) { | ||
var trigger = e.which || e.keyCode, | ||
next = false, | ||
menu = $(e.target).closest('[role="menu"]'), | ||
i = 0, | ||
menuItems = false; | ||
if (!menu) { | ||
return; | ||
} | ||
menuItems = $(menu).find('[role="menuitem"]'); | ||
if (!menuItems) { | ||
return; | ||
} | ||
// Down. | ||
if (trigger == 40) { | ||
for (i = 0; i < menuItems.length - 1; i++) { | ||
if (menuItems[i] == e.target) { | ||
next = menuItems[i + 1]; | ||
} | ||
} | ||
if (!next) { | ||
// Wrap to first item. | ||
trigger = 36; | ||
} | ||
} | ||
// Up. | ||
if (trigger == 38) { | ||
for (i = 1; i < menuItems.length; i++) { | ||
if (menuItems[i] == e.target) { | ||
next = menuItems[i - 1]; | ||
} | ||
} | ||
if (!next) { | ||
// Wrap to last item. | ||
trigger = 35; | ||
} | ||
} | ||
// Home. | ||
if (trigger == 36) { | ||
next = menuItems[0]; | ||
} | ||
// End. | ||
if (trigger == 35) { | ||
next = menuItems[menuItems.length - 1]; | ||
} | ||
if (next) { | ||
e.preventDefault(); | ||
shiftFocus(next); | ||
} | ||
return; | ||
}); | ||
$('.dropdown').on('hidden.bs.dropdown', function(e) { | ||
// We need to focus on the menu trigger. | ||
var trigger = $(e.target).find('[data-toggle="dropdown"]'); | ||
if (trigger) { | ||
shiftFocus(trigger); | ||
} | ||
}); | ||
} | ||
}; | ||
}); |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
|
@@ -52,4 +52,4 @@ | |
</div> | ||
|
||
{{/primary}} | ||
</div> | ||
</div> |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters