Current Path : C:/Users/Mahmood/Desktop/moodle/lib/amd/build/ |
Current File : C:/Users/Mahmood/Desktop/moodle/lib/amd/build/auto_rows.min.js.map |
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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 * Enhance a textarea with auto growing rows to fit the content.\n *\n * @module core/auto_rows\n * @class auto_rows\n * @package core\n * @copyright 2016 Ryan Wyllie <ryan@moodle.com>\n * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since 3.2\n */\ndefine(['jquery'], function($) {\n var SELECTORS = {\n ELEMENT: '[data-auto-rows]'\n };\n\n var EVENTS = {\n ROW_CHANGE: 'autorows:rowchange',\n };\n\n /**\n * Determine how many rows should be set for the given element.\n *\n * @method calculateRows\n * @param {jQuery} element The textarea element\n * @return {int} The number of rows for the element\n * @private\n */\n var calculateRows = function(element) {\n var currentRows = element.attr('rows');\n var minRows = element.data('min-rows');\n var maxRows = element.attr('data-max-rows');\n\n var height = element.height();\n var innerHeight = element.innerHeight();\n var padding = innerHeight - height;\n\n var scrollHeight = element[0].scrollHeight;\n var rows = (scrollHeight - padding) / (height / currentRows);\n\n // Remove the height styling to let the height be calculated automatically\n // based on the row attribute.\n element.css('height', '');\n\n if (rows < minRows) {\n return minRows;\n } else if (maxRows && rows >= maxRows) {\n return maxRows;\n } else {\n return rows;\n }\n };\n\n /**\n * Listener for change events to trigger resizing of the element.\n *\n * @method changeListener\n * @param {Event} e The triggered event.\n * @private\n */\n var changeListener = function(e) {\n var element = $(e.target);\n var minRows = element.data('min-rows');\n var currentRows = element.attr('rows');\n\n if (typeof minRows === \"undefined\") {\n element.data('min-rows', currentRows);\n }\n\n // Reset element to single row so that the scroll height of the\n // element is correctly calculated each time.\n element.attr('rows', 1);\n var rows = calculateRows(element);\n element.attr('rows', rows);\n\n if (rows != currentRows) {\n element.trigger(EVENTS.ROW_CHANGE);\n }\n };\n\n /**\n * Add the event listeners for all text areas within the given element.\n *\n * @method init\n * @param {jQuery|selector} root The container element of all enhanced text areas\n * @public\n */\n var init = function(root) {\n if ($(root).data('auto-rows')) {\n $(root).on('input propertychange', changeListener.bind(this));\n } else {\n $(root).on('input propertychange', SELECTORS.ELEMENT, changeListener.bind(this));\n }\n };\n\n return /** @module core/auto_rows */ {\n init: init,\n events: EVENTS,\n };\n});\n"],"file":"auto_rows.min.js"}