File: /var/www/html/formacion.bdp.com.py-bk/lib/form/amd/src/passwordunmask.js
// 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/>.
/**
* Password Unmask functionality.
*
* @module core_form/passwordunmask
* @copyright 2016 Andrew Nicols <andrew@nicols.co.uk>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @since 3.2
*/
define(['jquery', 'core/templates'], function($, Template) {
/**
* Constructor for PasswordUnmask.
*
* @class core_form/passwordunmask
* @param {String} elementid The element to apply the PasswordUnmask to
*/
var PasswordUnmask = function(elementid) {
// Setup variables.
this.wrapperSelector = '[data-passwordunmask="wrapper"][data-passwordunmaskid="' + elementid + '"]';
this.wrapper = $(this.wrapperSelector);
this.editorSpace = this.wrapper.find('[data-passwordunmask="editor"]');
this.editLink = this.wrapper.find('a[data-passwordunmask="edit"]');
this.editInstructions = this.wrapper.find('[data-passwordunmask="instructions"]');
this.displayValue = this.wrapper.find('[data-passwordunmask="displayvalue"]');
this.inputFieldLabel = $('label[for="' + elementid + '"]');
this.inputField = this.editorSpace.find(document.getElementById(elementid));
// Hide the field.
this.inputField.addClass('d-none');
this.inputField.removeClass('hiddenifjs');
if (!this.editInstructions.attr('id')) {
this.editInstructions.attr('id', elementid + '_instructions');
}
this.editInstructions.hide();
this.setDisplayValue();
// Add the listeners.
this.addListeners();
};
/**
* Add the event listeners required for PasswordUnmask.
*
* @method addListeners
* @return {PasswordUnmask}
* @chainable
*/
PasswordUnmask.prototype.addListeners = function() {
this.wrapper.on('click keypress', '[data-passwordunmask="edit"]', $.proxy(function(e) {
if (e.type === 'keypress' && e.keyCode !== 13) {
return;
}
e.stopImmediatePropagation();
e.preventDefault();
if (this.isEditing()) {
// Only focus on the edit link if the event was not a click, and the new target is not an input field.
if (e.type !== 'click' && !$(e.relatedTarget).is(':input')) {
this.turnEditingOff(true);
} else {
this.turnEditingOff(false);
}
} else {
this.turnEditingOn();
}
}, this));
this.wrapper.on('click keypress', '[data-passwordunmask="unmask"]', $.proxy(function(e) {
if (e.type === 'keypress' && e.keyCode !== 13) {
return;
}
e.stopImmediatePropagation();
e.preventDefault();
// Toggle the data attribute.
this.wrapper.data('unmasked', !this.wrapper.data('unmasked'));
this.setDisplayValue();
}, this));
this.wrapper.on('keydown', 'input', $.proxy(function(e) {
if (e.type === 'keydown' && e.keyCode !== 13) {
return;
}
e.stopImmediatePropagation();
e.preventDefault();
this.turnEditingOff(true);
}, this));
this.inputFieldLabel.on('click', $.proxy(function(e) {
e.preventDefault();
this.turnEditingOn();
}, this));
return this;
};
/**
* Check whether focus was lost from the PasswordUnmask and turn editing off if required.
*
* @method checkFocusOut
* @param {EventFacade} e The EventFacade generating the suspsected Focus Out
*/
PasswordUnmask.prototype.checkFocusOut = function(e) {
if (!this.isEditing()) {
// Ignore - not editing.
return;
}
window.setTimeout($.proxy(function() {
// Firefox does not have the focusout event. Instead jQuery falls back to the 'blur' event.
// The blur event does not have a relatedTarget, so instead we use a timeout and the new activeElement.
var relatedTarget = e.relatedTarget || document.activeElement;
if (this.wrapper.has($(relatedTarget)).length) {
// Ignore, some part of the element is still active.
return;
}
// Only focus on the edit link if the new related target is not an input field or anchor.
this.turnEditingOff(!$(relatedTarget).is(':input,a'));
}, this), 100);
};
/**
* Whether the password is currently visible (unmasked).
*
* @method passwordVisible
* @return {Boolean} True if the password is unmasked
*/
PasswordUnmask.prototype.passwordVisible = function() {
return !!this.wrapper.data('unmasked');
};
/**
* Whether the user is currently editing the field.
*
* @method isEditing
* @return {Boolean} True if edit mode is enabled
*/
PasswordUnmask.prototype.isEditing = function() {
return this.inputField.hasClass('d-inline-block');
};
/**
* Enable the editing functionality.
*
* @method turnEditingOn
* @return {PasswordUnmask}
* @chainable
*/
PasswordUnmask.prototype.turnEditingOn = function() {
var value = this.getDisplayValue();
if (this.passwordVisible()) {
this.inputField.attr('type', 'text');
} else {
this.inputField.attr('type', 'password');
}
this.inputField.val(value);
this.inputField.attr('size', this.inputField.attr('data-size'));
// Show the field.
this.inputField.addClass('d-inline-block');
if (this.editInstructions.length) {
this.inputField.attr('aria-describedby', this.editInstructions.attr('id'));
this.editInstructions.show();
}
this.wrapper.attr('data-passwordunmask-visible', 1);
this.editLink.hide();
this.inputField
.focus()
.select();
// Note, this cannot be added as a delegated listener on init because Firefox does not support the FocusOut
// event (https://bugzilla.mozilla.org/show_bug.cgi?id=687787) and the blur event does not identify the
// relatedTarget.
// The act of focusing the this.inputField means that in Firefox the focusout will be triggered on blur of the edit
// link anchor.
$('body').on('focusout', this.wrapperSelector, $.proxy(this.checkFocusOut, this));
return this;
};
/**
* Disable the editing functionality, optionally focusing on the edit link.
*
* @method turnEditingOff
* @param {Boolean} focusOnEditLink Whether to focus on the edit link after disabling the editor
* @return {PasswordUnmask}
* @chainable
*/
PasswordUnmask.prototype.turnEditingOff = function(focusOnEditLink) {
$('body').off('focusout', this.wrapperSelector, this.checkFocusOut);
var value = this.getDisplayValue();
this.inputField
// Ensure that the aria-describedby is removed.
.attr('aria-describedby', null);
this.inputField.val(value);
// Hide the field again.
this.inputField.removeClass('d-inline-block');
this.editInstructions.hide();
// Remove the visible attr.
this.wrapper.removeAttr('data-passwordunmask-visible');
// Remove the size attr.
this.inputField.removeAttr('size');
this.editLink.show();
this.setDisplayValue();
if (focusOnEditLink) {
this.editLink.focus();
}
return this;
};
/**
* Get the currently value.
*
* @method getDisplayValue
* @return {String}
*/
PasswordUnmask.prototype.getDisplayValue = function() {
return this.inputField.val();
};
/**
* Set the currently value in the display, taking into account the current settings.
*
* @method setDisplayValue
* @return {PasswordUnmask}
* @chainable
*/
PasswordUnmask.prototype.setDisplayValue = function() {
var value = this.getDisplayValue();
if (this.isEditing()) {
if (this.wrapper.data('unmasked')) {
this.inputField.attr('type', 'text');
} else {
this.inputField.attr('type', 'password');
}
this.inputField.val(value);
}
// Update the display value.
// Note: This must always be updated.
// The unmask value can be changed whilst editing and the editing can then be disabled.
if (value && this.wrapper.data('unmasked')) {
// There is a value, and we will show it.
this.displayValue.text(value);
} else {
if (!value) {
value = "";
}
// There is a value, but it will be disguised.
// We use the passwordunmask-fill to allow modification of the fill and to ensure that the display does not
// change as the page loads the JS.
Template.render('core_form/element-passwordunmask-fill', {
element: {
frozen: this.inputField.is('[readonly]'),
value: value,
valuechars: value.split(''),
},
}).done($.proxy(function(html, js) {
this.displayValue.html(html);
Template.runTemplateJS(js);
}, this));
}
return this;
};
return PasswordUnmask;
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