Your IP : 216.73.216.95
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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 * Password Unmask functionality.\n *\n * @module core_form/passwordunmask\n * @package core_form\n * @class passwordunmask\n * @copyright 2016 Andrew Nicols <andrew@nicols.co.uk>\n * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since 3.2\n */\ndefine(['jquery', 'core/templates'], function($, Template) {\n\n /**\n * Constructor for PasswordUnmask.\n *\n * @param {String} elementid The element to apply the PasswordUnmask to\n */\n var PasswordUnmask = function(elementid) {\n // Setup variables.\n this.wrapperSelector = '[data-passwordunmask=\"wrapper\"][data-passwordunmaskid=\"' + elementid + '\"]';\n this.wrapper = $(this.wrapperSelector);\n this.editorSpace = this.wrapper.find('[data-passwordunmask=\"editor\"]');\n this.editLink = this.wrapper.find('a[data-passwordunmask=\"edit\"]');\n this.editInstructions = this.wrapper.find('[data-passwordunmask=\"instructions\"]');\n this.displayValue = this.wrapper.find('[data-passwordunmask=\"displayvalue\"]');\n this.inputFieldLabel = $('label[for=\"' + elementid + '\"]');\n\n this.inputField = this.editorSpace.find(document.getElementById(elementid));\n this.inputField.attr('type', 'hidden');\n this.inputField.removeClass('hiddenifjs');\n\n if (!this.editInstructions.attr('id')) {\n this.editInstructions.attr('id', elementid + '_instructions');\n }\n this.editInstructions.hide();\n\n this.setDisplayValue();\n\n // Add the listeners.\n this.addListeners();\n };\n\n /**\n * Add the event listeners required for PasswordUnmask.\n *\n * @method addListeners\n * @return {PasswordUnmask}\n * @chainable\n */\n PasswordUnmask.prototype.addListeners = function() {\n this.wrapper.on('click keypress', '[data-passwordunmask=\"edit\"]', $.proxy(function(e) {\n if (e.type === 'keypress' && e.keyCode !== 13) {\n return;\n }\n e.stopImmediatePropagation();\n e.preventDefault();\n\n if (this.inputField.attr('type') !== 'hidden') {\n // Only focus on the edit link if the event was not a click, and the new target is not an input field.\n if (e.type !== 'click' && !$(e.relatedTarget).is(':input')) {\n this.turnEditingOff(true);\n } else {\n this.turnEditingOff(false);\n }\n } else {\n this.turnEditingOn();\n }\n }, this));\n\n this.wrapper.on('click keypress', '[data-passwordunmask=\"unmask\"]', $.proxy(function(e) {\n if (e.type === 'keypress' && e.keyCode !== 13) {\n return;\n }\n e.stopImmediatePropagation();\n e.preventDefault();\n\n // Toggle the data attribute.\n this.wrapper.data('unmasked', !this.wrapper.data('unmasked'));\n\n this.setDisplayValue();\n }, this));\n\n this.wrapper.on('keydown', 'input', $.proxy(function(e) {\n if (e.type === 'keydown' && e.keyCode !== 13) {\n return;\n }\n\n e.stopImmediatePropagation();\n e.preventDefault();\n\n this.turnEditingOff(true);\n }, this));\n\n this.inputFieldLabel.on('click', $.proxy(function(e) {\n e.preventDefault();\n\n this.turnEditingOn();\n }, this));\n\n return this;\n };\n\n /**\n * Check whether focus was lost from the PasswordUnmask and turn editing off if required.\n *\n * @method checkFocusOut\n * @param {EventFacade} e The EventFacade generating the suspsected Focus Out\n */\n PasswordUnmask.prototype.checkFocusOut = function(e) {\n if (!this.isEditing()) {\n // Ignore - not editing.\n return;\n }\n\n window.setTimeout($.proxy(function() {\n // Firefox does not have the focusout event. Instead jQuery falls back to the 'blur' event.\n // The blur event does not have a relatedTarget, so instead we use a timeout and the new activeElement.\n var relatedTarget = e.relatedTarget || document.activeElement;\n if (this.wrapper.has($(relatedTarget)).length) {\n // Ignore, some part of the element is still active.\n return;\n }\n\n // Only focus on the edit link if the new related target is not an input field or anchor.\n this.turnEditingOff(!$(relatedTarget).is(':input,a'));\n }, this), 100);\n };\n\n /**\n * Whether the password is currently visible (unmasked).\n *\n * @method passwordVisible\n * @return {Boolean} True if the password is unmasked\n */\n PasswordUnmask.prototype.passwordVisible = function() {\n return !!this.wrapper.data('unmasked');\n };\n\n /**\n * Whether the user is currently editing the field.\n *\n * @method isEditing\n * @return {Boolean} True if edit mode is enabled\n */\n PasswordUnmask.prototype.isEditing = function() {\n return this.inputField.attr('type') !== 'hidden';\n };\n\n /**\n * Enable the editing functionality.\n *\n * @method turnEditingOn\n * @return {PasswordUnmask}\n * @chainable\n */\n PasswordUnmask.prototype.turnEditingOn = function() {\n var value = this.getDisplayValue();\n if (this.passwordVisible()) {\n this.inputField.attr('type', 'text');\n } else {\n this.inputField.attr('type', 'password');\n }\n this.inputField.val(value);\n this.inputField.attr('size', this.inputField.attr('data-size'));\n\n if (this.editInstructions.length) {\n this.inputField.attr('aria-describedby', this.editInstructions.attr('id'));\n this.editInstructions.show();\n }\n\n this.wrapper.attr('data-passwordunmask-visible', 1);\n\n this.editLink.hide();\n this.inputField\n .focus()\n .select();\n\n // Note, this cannot be added as a delegated listener on init because Firefox does not support the FocusOut\n // event (https://bugzilla.mozilla.org/show_bug.cgi?id=687787) and the blur event does not identify the\n // relatedTarget.\n // The act of focusing the this.inputField means that in Firefox the focusout will be triggered on blur of the edit\n // link anchor.\n $('body').on('focusout', this.wrapperSelector, $.proxy(this.checkFocusOut, this));\n\n return this;\n };\n\n /**\n * Disable the editing functionality, optionally focusing on the edit link.\n *\n * @method turnEditingOff\n * @param {Boolean} focusOnEditLink Whether to focus on the edit link after disabling the editor\n * @return {PasswordUnmask}\n * @chainable\n */\n PasswordUnmask.prototype.turnEditingOff = function(focusOnEditLink) {\n $('body').off('focusout', this.wrapperSelector, this.checkFocusOut);\n var value = this.getDisplayValue();\n this.inputField\n // Hide the field again.\n .attr('type', 'hidden')\n\n // Ensure that the aria-describedby is removed.\n .attr('aria-describedby', null);\n this.inputField.val(value);\n\n this.editInstructions.hide();\n\n // Remove the visible attr.\n this.wrapper.removeAttr('data-passwordunmask-visible');\n\n // Remove the size attr.\n this.inputField.removeAttr('size');\n\n this.editLink.show();\n this.setDisplayValue();\n\n if (focusOnEditLink) {\n this.editLink.focus();\n }\n\n return this;\n };\n\n /**\n * Get the currently value.\n *\n * @method getDisplayValue\n * @return {String}\n */\n PasswordUnmask.prototype.getDisplayValue = function() {\n return this.inputField.val();\n };\n\n /**\n * Set the currently value in the display, taking into account the current settings.\n *\n * @method setDisplayValue\n * @return {PasswordUnmask}\n * @chainable\n */\n PasswordUnmask.prototype.setDisplayValue = function() {\n var value = this.getDisplayValue();\n if (this.isEditing()) {\n if (this.wrapper.data('unmasked')) {\n this.inputField.attr('type', 'text');\n } else {\n this.inputField.attr('type', 'password');\n }\n this.inputField.val(value);\n }\n\n // Update the display value.\n // Note: This must always be updated.\n // The unmask value can be changed whilst editing and the editing can then be disabled.\n if (value && this.wrapper.data('unmasked')) {\n // There is a value, and we will show it.\n this.displayValue.text(value);\n } else {\n if (!value) {\n value = \"\";\n }\n // There is a value, but it will be disguised.\n // We use the passwordunmask-fill to allow modification of the fill and to ensure that the display does not\n // change as the page loads the JS.\n Template.render('core_form/element-passwordunmask-fill', {\n element: {\n frozen: this.inputField.is('[readonly]'),\n value: value,\n valuechars: value.split(''),\n },\n }).done($.proxy(function(html, js) {\n this.displayValue.html(html);\n\n Template.runTemplateJS(js);\n }, this));\n }\n\n return this;\n };\n\n return PasswordUnmask;\n});\n"],"file":"passwordunmask.min.js"}