silverstripe-userforms/client/dist/js/userforms.js.map

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exports\n \treturn __webpack_require__(__webpack_require__.s = 1);\n\n\n\n// WEBPACK FOOTER //\n// webpack/bootstrap a315374ff7245c765b7c","/**\n * @file Manages the multi-step navigation.\n */\n\nimport jQuery from 'jquery';\nimport i18n from 'i18n';\n\njQuery(document).ready(($) => {\n  // A reference to the UserForm instance.\n  let userform = null;\n\n  // Settings that come from the CMS.\n  const CONSTANTS = {};\n\n  // Common functions that extend multiple classes.\n  const commonMixin = {\n    /**\n     * @func show\n     * @desc Show the form step. Looks after aria attributes too.\n     */\n    show() {\n      this.$el.attr('aria-hidden', false).show();\n    },\n    /**\n     * @func hide\n     * @desc Hide the form step. Looks after aria attributes too.\n     */\n    hide() {\n      this.$el.attr('aria-hidden', true).hide();\n    },\n  };\n\n  /**\n   * @func ErrorContainer\n   * @constructor\n   * @param {object} element - The error container element.\n   * @return {object} - The ErrorContainer instance.\n   * @desc Creates an error container. Used to display step error messages at the top.\n   */\n  function ErrorContainer(element) {\n    this.$el = element instanceof $ ? element : $(element);\n\n    // Set the error container's heading.\n    this.$el.find('h4').text(i18n._t('UserForms.ERROR_CONTAINER_HEADER',\n      'Please correct the following errors and try again:'));\n\n    return this;\n  }\n\n  /**\n   * @func hasErrors\n   * @return boolean\n   * @desc Checks if the error container has any error messages.\n   */\n  ErrorContainer.prototype.hasErrors = function hasErrors() {\n    return this.$el.find('.error-list').children().length > 0;\n  };\n\n  /**\n   * @func removeErrorMessage\n   * @desc Removes an error message from the error container.\n   */\n  ErrorContainer.prototype.removeErrorMessage = function removeErrorMessage(fieldId) {\n    this.$el.find(`#${fieldId}-top-error`).remove();\n\n    // If there are no more error then hide the container.\n    if (!this.hasErrors()) {\n      this.hide();\n    }\n  };\n\n  /**\n   * @func addStepLink\n   * @param {object} step - FormStep instance.\n   * @desc Adds a link to a form step as an error message.\n   */\n  ErrorContainer.prototype.addStepLink = function addStepLink(step) {\n    const itemID = `${step.$el.attr('id')}-error-link`;\n    let $itemElement = this.$el.find(`#${itemID}`);\n    const stepID = step.$el.attr('id');\n    const stepTitle = step.$el.data('title');\n\n    // If the item already exists we don't need to do anything.\n    if ($itemElement.length) {\n      return;\n    }\n\n    $itemElement = $(`<li id=\"${itemID}\"><a href=\"#${stepID}\">${stepTitle}</a></li>`);\n\n    $itemElement.on('click', (e) => {\n      e.preventDefault();\n      userform.jumpToStep(step.id);\n    });\n\n    this.$el.find('.error-list').append($itemElement);\n  };\n\n  /**\n   * @func removeStepLink\n   * @param {object} step - FormStep instance.\n   * @desc Removes a step link from the error container.\n   */\n  ErrorContainer.prototype.removeStepLink = function removeStepLink(fieldId) {\n    const stepID = $(`#${fieldId}`).closest('.form-step').attr('id');\n\n    this.$el.find(`#${stepID}-error-link`).remove();\n\n    // Hide the error container if we've just removed the last error.\n    if (this.$el.find('.error-list').is(':empty')) {\n      this.hide();\n    }\n  };\n\n  /**\n   * @func ErrorContainer.updateErrorMessage\n   * @param {object} $input - The jQuery input object which contains the field to validate.\n   * @param {object} message - The error message to display (html escaped).\n   * @desc Update an error message (displayed at the top of the form).\n   */\n  ErrorContainer.prototype.updateErrorMessage = function updateErrorMessage($input, message) {\n    const inputID = $input.attr('id');\n    let anchor = `#${inputID}`;\n    const elementID = `${inputID}-top-error`;\n    let messageElement = $(`#${elementID}`);\n    let describedBy = $input.attr('aria-describedby');\n\n    // The 'message' param will be an empty string if the field is valid.\n    if (!message) {\n      // Style issues as fixed if they already exist\n      messageElement.addClass('fixed');\n      return;\n    }\n\n    messageElement.removeClass('fixed');\n\n    this.show();\n\n    if (messageElement.length === 1) {\n      // Update the existing error message.\n      messageElement.show().find('a').html(message);\n    } else {\n      // Generate better link to field\n      $input.closest('.field[id]').each(() => {\n        anchor = `#${$(this).attr('id')}`;\n      });\n\n      // Add a new error message\n      messageElement = $('<li><a></a></li>');\n      messageElement\n        .attr('id', elementID)\n        .find('a')\n        .attr('href', location.pathname + location.search + anchor)\n        .html(message);\n\n      this.$el.find('ul').append(messageElement);\n\n      // Link back to original input via aria\n      // Respect existing non-error aria-describedby\n      if (!describedBy) {\n        describedBy = elementID;\n      } else if (!describedBy.match(new RegExp(`\\\\b${elementID}\\\\b`))) {\n        // Add to end of list if not already present\n        describedBy += ` ${elementID}`;\n      }\n\n      $input.attr('aria-describedby', describedBy);\n    }\n  };\n\n  /**\n   * @func FormStep\n   * @constructor\n   * @param {object} element\n   * @return {object} - The FormStep instance.\n   * @desc Creates a form step.\n   */\n  function FormStep(element) {\n    const self = this;\n\n    this.$el = element instanceof $ ? element : $(element);\n\n    // Find button for this step\n    this.$elButton = $(`.step-button-wrapper[data-for='${this.$el.prop('id')}']`);\n\n    // Has the step been viewed by the user?\n    this.viewed = false;\n\n    // Is the form step valid?\n    // This value is used on form submission, which fails, if any of the steps are invalid.\n    this.valid = false;\n\n    // The internal id of the step. Used for getting the step from the UserForm.steps array.\n    this.id = null;\n\n    this.hide();\n\n    if (CONSTANTS.DISPLAY_ERROR_MESSAGES_AT_TOP) {\n      this.errorContainer = new ErrorContainer(this.$el.find('.error-container'));\n\n      // Listen for errors on the UserForm.\n      userform.$el.on('userform.form.error', (e, validator) => {\n        // The step only cares about errors if it's currently visible.\n        if (!self.$el.is(':visible')) {\n          return;\n        }\n\n        // Add or update each error in the list.\n        $.each(validator.errorList, (i, error) => {\n          self.errorContainer.updateErrorMessage($(error.element), error.message);\n        });\n      });\n\n      // Listen for fields becoming valid\n      userform.$el.on('userform.form.valid', (e, fieldId) => {\n        self.errorContainer.removeErrorMessage(fieldId);\n      });\n    }\n\n    // Ensure that page visibilty updates the step navigation\n    this\n      .$elButton\n      .on('userform.field.hide userform.field.show', () => {\n        userform.$el.trigger('userform.form.conditionalstep');\n      });\n\n    return this;\n  }\n\n  /**\n   * Determine if this step is conditionally disabled\n   *\n   * @returns {Boolean}\n   */\n  // Because the element itself could be visible but 0 height, so check visibility of button\n  FormStep.prototype.conditionallyHidden = function conditionallyHidden() {\n    return !this.$elButton.find('button').is(':visible');\n  };\n\n  /**\n   * @func ProgressBar\n   * @constructor\n   * @param {object} element\n   * @return {object} - The Progress bar instance.\n   * @desc Creates a progress bar.\n   */\n  function ProgressBar(element) {\n    const self = this;\n\n    this.$el = element instanceof $ ? element : $(element);\n    this.$buttons = this.$el.find('.step-button-jump');\n    this.$jsAlign = this.$el.find('.js-align');\n\n    // Update the progress bar when 'step' buttons are clicked.\n    this.$buttons.each((i, stepButton) => {\n      $(stepButton).on('click', (e) => {\n        e.preventDefault();\n        const stepNumber = parseInt($(e.target).data('step'), 10);\n        self.$el.trigger('userform.progress.changestep', stepNumber);\n      });\n    });\n\n    // Update the progress bar when 'prev' and 'next' buttons are clicked.\n    userform.$el.on('userform.form.changestep', (e, stepID) => {\n      self.update(stepID);\n    });\n\n    // Listen for steps being conditionally shown / hidden by display rules.\n    // We need to update step related UI like the number of step buttons\n    // and any text that shows the total number of steps.\n    userform.$el.on('userform.form.conditionalstep', () => {\n      // Update the step numbers on the buttons.\n      const $visibleButtons = self.$buttons.filter(':visible');\n\n      $visibleButtons.each((i, button) => {\n        $(button).text(i + 1);\n      });\n\n      // Update the actual progress bar.\n      self.$el.find('.progress-bar').attr('aria-valuemax', $visibleButtons.length);\n\n      // Update any text that uses the total number of steps.\n      self.$el.find('.total-step-number').text($visibleButtons.length);\n    });\n\n    // Spaces out the steps below progress bar evenly\n    this.$jsAlign.each((index, button) => {\n      const $button = $(button);\n      const leftPercent = 100 / (self.$jsAlign.length - 1) * index;\n      const leftPercentCssValue = `${leftPercent}%`;\n      const buttonOffset = -1 * ($button.innerWidth() / 2);\n\n      $button.css({\n        left: leftPercentCssValue,\n        marginLeft: buttonOffset,\n      });\n\n      // First and last buttons are kept within userform-progress container\n      if (index === self.$jsAlign.length - 1) {\n        $button.css({ marginLeft: buttonOffset * 2 });\n      } else if (index === 0) {\n        $button.css({ marginLeft: 0 });\n      }\n    });\n\n    return this;\n  }\n\n  /**\n   * @func ProgressBar.update\n   * @param {number} stepID - Zero based index of the new step.\n   * @desc Update the progress element to show a new step.\n   */\n  ProgressBar.prototype.update = function update(stepID) {\n    const $newStepElement = $($('.form-step')[stepID]);\n    let stepNumber = 0;\n    let barWidth = stepID / (this.$buttons.length - 1) * 100;\n\n    // Set the current step number.\n    this.$buttons.each((i, button) => {\n      if (i > stepID) {\n        // Break the loop\n        return false;\n      }\n\n      if ($(button).is(':visible')) {\n        stepNumber += 1;\n      }\n      return true;\n    });\n\n    // Update elements that contain the current step number.\n    this.$el.find('.current-step-number').each((i, element) => {\n      $(element).text(stepNumber);\n    });\n\n    // Update aria attributes.\n    this.$el.find('[aria-valuenow]').each((i, element) => {\n      $(element).attr('aria-valuenow', stepNumber);\n    });\n\n    // Update the CSS classes on step buttons.\n    this.$buttons.each((i, element) => {\n      const $element = $(element);\n      const $item = $element.parent();\n\n      if (parseInt($element.data('step'), 10) === stepNumber && $element.is(':visible')) {\n        $item.addClass('current viewed');\n        $element.removeAttr('disabled');\n\n        return;\n      }\n\n      $item.removeClass('current');\n    });\n\n    // Update the progress bar's title with the new step's title.\n    this.$el.siblings('.progress-title').text($newStepElement.data('title'));\n\n    // Update the width of the progress bar.\n    barWidth = barWidth ? `${barWidth}%` : '';\n    this.$el.find('.progress-bar').width(barWidth);\n  };\n\n  /**\n   * @func FormActions\n   * @constructor\n   * @param {object} element\n   * @desc Creates the navigation and actions (Prev, Next, Submit buttons).\n   */\n  function FormActions(element) {\n    const self = this;\n\n    this.$el = element instanceof $ ? element : $(element);\n\n    this.$prevButton = this.$el.find('.step-button-prev');\n    this.$nextButton = this.$el.find('.step-button-next');\n\n    // Show the buttons.\n    this.$prevButton.parent().attr('aria-hidden', false).show();\n    this.$nextButton.parent().attr('aria-hidden', false).show();\n\n    // Bind the step navigation event listeners.\n    this.$prevButton.on('click', (e) => {\n      e.preventDefault();\n      self.$el.trigger('userform.action.prev');\n    });\n    this.$nextButton.on('click', (e) => {\n      e.preventDefault();\n      self.$el.trigger('userform.action.next');\n    });\n\n    // Listen for changes to the current form step, or conditional pages,\n    // so we can show hide buttons appropriately.\n    userform.$el.on('userform.form.changestep userform.form.conditionalstep', () => {\n      self.update();\n    });\n\n    return this;\n  }\n\n  /**\n   * @func FormActions.update\n   * @param {number} stepID - Zero based ID of the current step.\n   * @desc Updates the form actions element to reflect the current state of the page.\n   */\n  FormActions.prototype.update = function update() {\n    const numberOfSteps = userform.steps.length;\n    const stepID = userform.currentStep ? userform.currentStep.id : 0;\n    let i = null;\n    let lastStep = null;\n\n    // Update the \"Prev\" button.\n    this.$el.find('.step-button-prev')[stepID === 0 ? 'hide' : 'show']();\n\n    // Find last step, skipping hidden ones\n    for (i = numberOfSteps - 1; i >= 0; i--) {\n      lastStep = userform.steps[i];\n\n      // Skip if step is hidden\n      if (lastStep.conditionallyHidden()) {\n        continue;\n      }\n\n      // Update the \"Next\" button.\n      this.$el.find('.step-button-next')[stepID >= i ? 'hide' : 'show']();\n\n      // Update the \"Actions\".\n      this.$el.find('.Actions')[stepID >= i ? 'show' : 'hide']();\n\n      // Stop processing last step\n      break;\n    }\n  };\n\n  /**\n   * @func UserForm\n   * @constructor\n   * @param {object} element\n   * @return {object} - The UserForm instance.\n   * @desc The form\n   */\n  function UserForm(element) {\n    const self = this;\n\n    this.$el = element instanceof $ ? element : $(element);\n    this.steps = [];\n\n    // Add an error container which displays a list of invalid steps on form submission.\n    this.errorContainer = new ErrorContainer(this.$el.children('.error-container'));\n\n    // Listen for events triggered by form steps.\n    this.$el.on('userform.action.prev', () => {\n      self.prevStep();\n    });\n    this.$el.on('userform.action.next', () => {\n      self.nextStep();\n    });\n\n    // Listen for events triggered by the progress bar.\n    $('#userform-progress').on('userform.progress.changestep', (e, stepNumber) => {\n      self.jumpToStep(stepNumber - 1);\n    });\n\n    // When a field becomes valid, remove errors from the error container.\n    this.$el.on('userform.form.valid', (e, fieldId) => {\n      self.errorContainer.removeStepLink(fieldId);\n    });\n\n    this.$el.validate(this.validationOptions);\n\n    // Ensure checkbox groups are validated correctly\n    $('.optionset.requiredField input').each((a, field) => {\n      $(field).rules('add', {\n        required: true,\n      });\n    });\n\n    return this;\n  }\n\n  /*\n   * Default options for step validation. These get extended in main().\n   */\n  UserForm.prototype.validationOptions = {\n    ignore: ':hidden,ul',\n    errorClass: 'error',\n    errorElement: 'span',\n    errorPlacement: (error, element) => {\n      error.addClass('message');\n\n      if (element.is(':radio') || element.parents('.checkboxset').length > 0) {\n        error.appendTo(element.closest('.middleColumn'));\n      } else if (element.parents('.checkbox').length > 0) {\n        error.appendTo(element.closest('.field'));\n      } else {\n        error.insertAfter(element);\n      }\n    },\n    invalidHandler: (event, validator) => {\n      // setTimeout 0 so it runs after errorPlacement\n      setTimeout(() => {\n        validator.currentElements.filter('.error').first().focus();\n      }, 0);\n    },\n    // Callback for handling the actual submit when the form is valid.\n    // Submission in the jQuery.validate sence is handled at step level.\n    // So when the final step is submitted we have to also check all previous steps are valid.\n    submitHandler: (form) => {\n      let isValid = true;\n\n      // Validate the current step\n      if (userform.currentStep) {\n        userform.currentStep.valid = $(form).valid();\n      }\n\n      // Check for invalid previous steps.\n      $.each(userform.steps, (i, step) => {\n        if (!step.valid && !step.conditionallyHidden()) {\n          isValid = false;\n          userform.errorContainer.addStepLink(step);\n        }\n      });\n\n      if (isValid) {\n        // When using the \"are you sure?\" plugin, ensure the form immediately submits.\n        $(form).removeClass('dirty');\n\n        form.submit();\n      } else {\n        userform.errorContainer.show();\n      }\n    },\n    // When a field becomes valid.\n    success: (error) => {\n      const errorId = $(error).attr('id');\n      const fieldId = errorId.substr(0, errorId.indexOf('-error')).replace(/[\\\\[\\\\]]/, '');\n\n      // Remove square brackets since jQuery.validate.js uses idOrName,\n      // which breaks further on when using a selector that end with\n      // square brackets.\n\n      error.remove();\n\n      // Pass the field's ID with the event.\n      userform.$el.trigger('userform.form.valid', [fieldId]);\n    },\n  };\n\n  /**\n   * @func UserForm.addStep\n   * @param {object} step - An instance of FormStep.\n   * @desc Adds a step to the UserForm.\n   */\n  UserForm.prototype.addStep = function addStep(step) {\n    // Make sure we're dealing with a form step.\n    if (!step instanceof FormStep) {\n      return;\n    }\n\n    // eslint-disable-next-line no-param-reassign\n    step.id = this.steps.length;\n\n    this.steps.push(step);\n  };\n\n  /**\n   * @func UserForm.setCurrentStep\n   * @param {object} step - An instance of FormStep.\n   * @desc Sets the step the user is currently on.\n   */\n  UserForm.prototype.setCurrentStep = function setCurrentStep(step) {\n    // Make sure we're dealing with a form step.\n    if (!(step instanceof FormStep)) {\n      return;\n    }\n\n    this.currentStep = step;\n    this.currentStep.show();\n\n    // Record the user has viewed the step.\n    this.currentStep.viewed = true;\n    this.currentStep.$el.addClass('viewed');\n  };\n\n  /**\n   * @func UserForm.jumpToStep\n   * @param {number} stepNumber\n   * @param {boolean} [direction] - Defaults to forward (true).\n   * @desc Jumps to a specific form step.\n   */\n  UserForm.prototype.jumpToStep = function jumpToStep(stepNumber, direction) {\n    const targetStep = this.steps[stepNumber];\n    let isValid = false;\n    const forward = direction === void 0 ? true : direction;\n\n    // Make sure the target step exists.\n    if (targetStep === void 0) {\n      return;\n    }\n\n    // Make sure the step we're trying to set as current is not\n    // hidden by custom display rules. If it is then jump to the next step.\n    if (targetStep.conditionallyHidden()) {\n      if (forward) {\n        this.jumpToStep(stepNumber + 1);\n      } else {\n        this.jumpToStep(stepNumber - 1);\n      }\n\n      return;\n    }\n\n    // Validate the form.\n    // This well effectivly validate the current step and not the entire form.\n    // This is because hidden fields are excluded from validation, and all fields\n    // on all other steps, are currently hidden.\n    isValid = this.$el.valid();\n\n    // Set the 'valid' property on the current step.\n    this.currentStep.valid = isValid;\n\n    // Users can navigate to step's they've already viewed even if the current step is invalid.\n    if (isValid === false && targetStep.viewed === false) {\n      return;\n    }\n\n    this.currentStep.hide();\n    this.setCurrentStep(targetStep);\n\n    this.$el.trigger('userform.form.changestep', [targetStep.id]);\n  };\n\n  /**\n   * @func UserForm.nextStep\n   * @desc Advances the form to the next step.\n   */\n  UserForm.prototype.nextStep = function nextStep() {\n    this.jumpToStep(this.steps.indexOf(this.currentStep) + 1, true);\n  };\n\n  /**\n   * @func UserForm.prevStep\n   * @desc Goes back one step (not bound to browser history).\n   */\n  UserForm.prototype.prevStep = function prevStep() {\n    this.jumpToStep(this.steps.indexOf(this.currentStep) - 1, false);\n  };\n\n  /**\n   * @func main\n   * @desc Bootstraps the front-end.\n   */\n  function main(index, userformElement) {\n    const $userform = $(userformElement);\n\n    // If there's no userform, do nothing.\n    if ($userform.length === 0) {\n      return;\n    }\n\n    CONSTANTS.ENABLE_LIVE_VALIDATION = $userform.data('livevalidation') !== void 0;\n    CONSTANTS.DISPLAY_ERROR_MESSAGES_AT_TOP = $userform.data('toperrors') !== void 0;\n\n    // Extend the default validation options with conditional options\n    // that are set by the user in the CMS.\n    if (CONSTANTS.ENABLE_LIVE_VALIDATION === false) {\n      $.extend(UserForm.prototype.validationOptions, {\n        onfocusout: false,\n      });\n    }\n\n    if (CONSTANTS.DISPLAY_ERROR_MESSAGES_AT_TOP) {\n      $.extend(UserForm.prototype.validationOptions, {\n        // Callback for custom code when an invalid form / step is submitted.\n        invalidHandler: (event, validator) => {\n          $userform.trigger('userform.form.error', [validator]);\n        },\n        onfocusout: false,\n      });\n    }\n\n    // Display all the things that are hidden when JavaScript is disabled.\n    $('.userform-progress, .step-navigation').attr('aria-hidden', false).show();\n\n    // Extend classes with common functionality.\n    $.extend(FormStep.prototype, commonMixin);\n    $.extend(ErrorContainer.prototype, commonMixin);\n\n    userform = new UserForm($userform);\n\n    // Conditionally hide field labels and use HTML5 placeholder instead.\n    if (CONSTANTS.HIDE_FIELD_LABELS) {\n      $userform.find('label.left').each(() => {\n        const $label = $(this);\n\n        $(`[name=\"${$label.attr('for')}\"]`).attr('placeholder', $label.text());\n        $label.remove();\n      });\n    }\n\n    // Initialise the form steps.\n    userform.$el.find('.form-step').each((i, element) => {\n      const step = new FormStep(element);\n\n      userform.addStep(step);\n    });\n\n    userform.setCurrentStep(userform.steps[0]);\n\n    // Initialise actions and progressbar\n    const progressBar = new ProgressBar($('#userform-progress'));\n    progressBar.update(0);\n\n    const formActions = new FormActions($('#step-navigation'));\n    formActions.update();\n\n    // Enable jQuery UI datepickers\n    $(document).on('click', 'input.text[data-showcalendar]', () => {\n      const $element = $(this);\n\n      $element.ssDatepicker();\n\n      if ($element.data('datepicker')) {\n        $element.datepicker('show');\n      }\n    });\n\n    // Make sure the form doesn't expire on the user. Pings every 3 mins.\n    setInterval(() => {\n      $.ajax({ url: 'UserDefinedFormController/ping' });\n    }, 180 * 1000);\n\n    // Bind a confirmation message when navigating away from a partially completed form.\n    const form = $('form.userform');\n    if (typeof form.areYouSure !== 'undefined') {\n      form.areYouSure({\n        message: i18n._t('UserForms.LEAVE_CONFIRMATION', 'You have unsaved changes!'),\n      });\n    }\n  }\n\n  $('.userform').each(main);\n});\n\n\n\n// WEBPACK FOOTER //\n// ./client/src/bundles/UserForms.js","module.exports = i18n;\n\n\n//////////////////\n// WEBPACK FOOTER\n// external \"i18n\"\n// module id = 2\n// module chunks = 0","module.exports = jQuery;\n\n\n//////////////////\n// WEBPACK FOOTER\n// external \"jQuery\"\n// module id = 3\n// module chunks = 0"],"sourceRoot":""}