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Tim Fechner authoredTim Fechner authored
catchshortcuts.min.js.map 6.36 KiB
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle. If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Theme Boost Campus - JS code for catching pressed keys.\n *\n * @package theme_boost_campus\n * @copyright 2017 Kathrin Osswald, Ulm University <kathrin.osswald@uni-ulm.de>\n * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery'], function($) {\n \"use strict\";\n\n /**\n * Initialising.\n *\n * @param {string} value\n */\n function initcatchshortcuts(value) {\n if (value == 'end') {\n // Catch the end key to be able to change the behavior.\n $(document).keydown(function(e) {\n if (e.keyCode == 35) {\n // Additionally check no active focus in form elements.\n if (checkForActiveFormElement() != true) {\n // Scroll only to the bottom of the course content.\n scrollToBottomOfCourse(e);\n }\n }\n });\n }\n // This shortcut is only relevant for users operating on MacOS.\n if (navigator.appVersion.indexOf(\"Mac\") != -1 && value == 'cmdarrowdown') {\n // Bind the cmd + arrow down shortcut to be able to change the behavior.\n $(document).keydown(function(e) {\n if (e.keyCode == 40 && e.metaKey) {\n // Additionally check no active focus in form elements.\n if (checkForActiveFormElement() != true) {\n // Scroll only to the bottom of the course content.\n scrollToBottomOfCourse(e);\n }\n }\n });\n }\n // This shortcut is only relevant for users operating on Windows.\n if (navigator.appVersion.indexOf(\"Win\") != -1 && value == 'ctrlarrowdown') {\n // Bind the ctrl + arrow down shortcut to be able to change the behavior.\n $(document).keydown(function(e) {\n if (e.keyCode == 40 && e.ctrlKey) {\n // Additionally check no active focus in form elements.\n if (checkForActiveFormElement() != true) {\n // Scroll only to the bottom of the course content.\n scrollToBottomOfCourse(e);\n }\n }\n });\n }\n }\n\n /**\n * Function to scroll only to the bottom of the course and not the bottom of the whole page.\n *\n * @param {object} event\n */\n function scrollToBottomOfCourse(event) {\n // Prevent default behavior.\n event.preventDefault();\n // Scroll only to the bottom of the course content.\n $('html, body').animate({\n scrollTop: $('#page-footer').offset().top - $(window).height() + 50\n }, 500);\n }\n\n /**\n * Function to check for an active form element.\n *\n * @return {boolean}\n */\n function checkForActiveFormElement() {\n // Get the active Element for the current page.\n var activeElement = document.activeElement;\n var returnvalue = false;\n // Check if the given active element is type of input field, textarea or editable content.\n if (activeElement.tagName == 'INPUT' || activeElement.tagName == 'TEXTAREA' || activeElement.isContentEditable == true) {\n returnvalue = true;\n }\n return returnvalue;\n }\n\n return {\n init: function(params) {\n for (var i = 0, len = params.length; i < len; i++) {\n initcatchshortcuts(params[i]);\n }\n }\n };\n});\n"],"file":"catchshortcuts.min.js"}