annotate core/misc/ajax.js @ 19:fa3358dc1485 tip

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/**
* DO NOT EDIT THIS FILE.
* See the following change record for more information,
* https://www.drupal.org/node/2815083
* @preserve
**/
function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }

(function ($, window, Drupal, drupalSettings) {
  Drupal.behaviors.AJAX = {
    attach: function attach(context, settings) {
      function loadAjaxBehavior(base) {
        var elementSettings = settings.ajax[base];
        if (typeof elementSettings.selector === 'undefined') {
          elementSettings.selector = '#' + base;
        }
        $(elementSettings.selector).once('drupal-ajax').each(function () {
          elementSettings.element = this;
          elementSettings.base = base;
          Drupal.ajax(elementSettings);
        });
      }

      Object.keys(settings.ajax || {}).forEach(function (base) {
        return loadAjaxBehavior(base);
      });

      Drupal.ajax.bindAjaxLinks(document.body);

      $('.use-ajax-submit').once('ajax').each(function () {
        var elementSettings = {};

        elementSettings.url = $(this.form).attr('action');

        elementSettings.setClick = true;

        elementSettings.event = 'click';

        elementSettings.progress = { type: 'throbber' };
        elementSettings.base = $(this).attr('id');
        elementSettings.element = this;

        Drupal.ajax(elementSettings);
      });
    },
    detach: function detach(context, settings, trigger) {
      if (trigger === 'unload') {
        Drupal.ajax.expired().forEach(function (instance) {
          Drupal.ajax.instances[instance.instanceIndex] = null;
        });
      }
    }
  };

  Drupal.AjaxError = function (xmlhttp, uri, customMessage) {
    var statusCode = void 0;
    var statusText = void 0;
    var responseText = void 0;
    if (xmlhttp.status) {
      statusCode = '\n' + Drupal.t('An AJAX HTTP error occurred.') + '\n' + Drupal.t('HTTP Result Code: !status', { '!status': xmlhttp.status });
    } else {
      statusCode = '\n' + Drupal.t('An AJAX HTTP request terminated abnormally.');
    }
    statusCode += '\n' + Drupal.t('Debugging information follows.');
    var pathText = '\n' + Drupal.t('Path: !uri', { '!uri': uri });
    statusText = '';

    try {
      statusText = '\n' + Drupal.t('StatusText: !statusText', {
        '!statusText': $.trim(xmlhttp.statusText)
      });
    } catch (e) {}

    responseText = '';

    try {
      responseText = '\n' + Drupal.t('ResponseText: !responseText', {
        '!responseText': $.trim(xmlhttp.responseText)
      });
    } catch (e) {}

    responseText = responseText.replace(/<("[^"]*"|'[^']*'|[^'">])*>/gi, '');
    responseText = responseText.replace(/[\n]+\s+/g, '\n');

    var readyStateText = xmlhttp.status === 0 ? '\n' + Drupal.t('ReadyState: !readyState', {
      '!readyState': xmlhttp.readyState
    }) : '';

    customMessage = customMessage ? '\n' + Drupal.t('CustomMessage: !customMessage', {
      '!customMessage': customMessage
    }) : '';

    this.message = statusCode + pathText + statusText + customMessage + responseText + readyStateText;

    this.name = 'AjaxError';
  };

  Drupal.AjaxError.prototype = new Error();
  Drupal.AjaxError.prototype.constructor = Drupal.AjaxError;

  Drupal.ajax = function (settings) {
    if (arguments.length !== 1) {
      throw new Error('Drupal.ajax() function must be called with one configuration object only');
    }

    var base = settings.base || false;
    var element = settings.element || false;
    delete settings.base;
    delete settings.element;

    if (!settings.progress && !element) {
      settings.progress = false;
    }

    var ajax = new Drupal.Ajax(base, element, settings);
    ajax.instanceIndex = Drupal.ajax.instances.length;
    Drupal.ajax.instances.push(ajax);

    return ajax;
  };

  Drupal.ajax.instances = [];

  Drupal.ajax.expired = function () {
    return Drupal.ajax.instances.filter(function (instance) {
      return instance && instance.element !== false && !document.body.contains(instance.element);
    });
  };

  Drupal.ajax.bindAjaxLinks = function (element) {
    $(element).find('.use-ajax').once('ajax').each(function (i, ajaxLink) {
      var $linkElement = $(ajaxLink);

      var elementSettings = {
        progress: { type: 'throbber' },
        dialogType: $linkElement.data('dialog-type'),
        dialog: $linkElement.data('dialog-options'),
        dialogRenderer: $linkElement.data('dialog-renderer'),
        base: $linkElement.attr('id'),
        element: ajaxLink
      };
      var href = $linkElement.attr('href');

      if (href) {
        elementSettings.url = href;
        elementSettings.event = 'click';
      }
      Drupal.ajax(elementSettings);
    });
  };

  Drupal.Ajax = function (base, element, elementSettings) {
    var defaults = {
      event: element ? 'mousedown' : null,
      keypress: true,
      selector: base ? '#' + base : null,
      effect: 'none',
      speed: 'none',
      method: 'replaceWith',
      progress: {
        type: 'throbber',
        message: Drupal.t('Please wait...')
      },
      submit: {
        js: true
      }
    };

    $.extend(this, defaults, elementSettings);

    this.commands = new Drupal.AjaxCommands();

    this.instanceIndex = false;

    if (this.wrapper) {
      this.wrapper = '#' + this.wrapper;
    }

    this.element = element;

    this.element_settings = elementSettings;

    this.elementSettings = elementSettings;

    if (this.element && this.element.form) {
      this.$form = $(this.element.form);
    }

    if (!this.url) {
      var $element = $(this.element);
      if ($element.is('a')) {
        this.url = $element.attr('href');
      } else if (this.element && element.form) {
        this.url = this.$form.attr('action');
      }
    }

    var originalUrl = this.url;

    this.url = this.url.replace(/\/nojs(\/|$|\?|#)/, '/ajax$1');

    if (drupalSettings.ajaxTrustedUrl[originalUrl]) {
      drupalSettings.ajaxTrustedUrl[this.url] = true;
    }

    var ajax = this;

    ajax.options = {
      url: ajax.url,
      data: ajax.submit,
      beforeSerialize: function beforeSerialize(elementSettings, options) {
        return ajax.beforeSerialize(elementSettings, options);
      },
      beforeSubmit: function beforeSubmit(formValues, elementSettings, options) {
        ajax.ajaxing = true;
        return ajax.beforeSubmit(formValues, elementSettings, options);
      },
      beforeSend: function beforeSend(xmlhttprequest, options) {
        ajax.ajaxing = true;
        return ajax.beforeSend(xmlhttprequest, options);
      },
      success: function success(response, status, xmlhttprequest) {
        if (typeof response === 'string') {
          response = $.parseJSON(response);
        }

        if (response !== null && !drupalSettings.ajaxTrustedUrl[ajax.url]) {
          if (xmlhttprequest.getResponseHeader('X-Drupal-Ajax-Token') !== '1') {
            var customMessage = Drupal.t('The response failed verification so will not be processed.');
            return ajax.error(xmlhttprequest, ajax.url, customMessage);
          }
        }

        return ajax.success(response, status);
      },
      complete: function complete(xmlhttprequest, status) {
        ajax.ajaxing = false;
        if (status === 'error' || status === 'parsererror') {
          return ajax.error(xmlhttprequest, ajax.url);
        }
      },

      dataType: 'json',
      type: 'POST'
    };

    if (elementSettings.dialog) {
      ajax.options.data.dialogOptions = elementSettings.dialog;
    }

    if (ajax.options.url.indexOf('?') === -1) {
      ajax.options.url += '?';
    } else {
      ajax.options.url += '&';
    }

    var wrapper = 'drupal_' + (elementSettings.dialogType || 'ajax');
    if (elementSettings.dialogRenderer) {
      wrapper += '.' + elementSettings.dialogRenderer;
    }
    ajax.options.url += Drupal.ajax.WRAPPER_FORMAT + '=' + wrapper;

    $(ajax.element).on(elementSettings.event, function (event) {
      if (!drupalSettings.ajaxTrustedUrl[ajax.url] && !Drupal.url.isLocal(ajax.url)) {
        throw new Error(Drupal.t('The callback URL is not local and not trusted: !url', {
          '!url': ajax.url
        }));
      }
      return ajax.eventResponse(this, event);
    });

    if (elementSettings.keypress) {
      $(ajax.element).on('keypress', function (event) {
        return ajax.keypressResponse(this, event);
      });
    }

    if (elementSettings.prevent) {
      $(ajax.element).on(elementSettings.prevent, false);
    }
  };

  Drupal.ajax.WRAPPER_FORMAT = '_wrapper_format';

  Drupal.Ajax.AJAX_REQUEST_PARAMETER = '_drupal_ajax';

  Drupal.Ajax.prototype.execute = function () {
    if (this.ajaxing) {
      return;
    }

    try {
      this.beforeSerialize(this.element, this.options);

      return $.ajax(this.options);
    } catch (e) {
      this.ajaxing = false;
      window.alert('An error occurred while attempting to process ' + this.options.url + ': ' + e.message);

      return $.Deferred().reject();
    }
  };

  Drupal.Ajax.prototype.keypressResponse = function (element, event) {
    var ajax = this;

    if (event.which === 13 || event.which === 32 && element.type !== 'text' && element.type !== 'textarea' && element.type !== 'tel' && element.type !== 'number') {
      event.preventDefault();
      event.stopPropagation();
      $(element).trigger(ajax.elementSettings.event);
    }
  };

  Drupal.Ajax.prototype.eventResponse = function (element, event) {
    event.preventDefault();
    event.stopPropagation();

    var ajax = this;

    if (ajax.ajaxing) {
      return;
    }

    try {
      if (ajax.$form) {
        if (ajax.setClick) {
          element.form.clk = element;
        }

        ajax.$form.ajaxSubmit(ajax.options);
      } else {
        ajax.beforeSerialize(ajax.element, ajax.options);
        $.ajax(ajax.options);
      }
    } catch (e) {
      ajax.ajaxing = false;
      window.alert('An error occurred while attempting to process ' + ajax.options.url + ': ' + e.message);
    }
  };

  Drupal.Ajax.prototype.beforeSerialize = function (element, options) {
    if (this.$form && document.body.contains(this.$form.get(0))) {
      var settings = this.settings || drupalSettings;
      Drupal.detachBehaviors(this.$form.get(0), settings, 'serialize');
    }

    options.data[Drupal.Ajax.AJAX_REQUEST_PARAMETER] = 1;

    var pageState = drupalSettings.ajaxPageState;
    options.data['ajax_page_state[theme]'] = pageState.theme;
    options.data['ajax_page_state[theme_token]'] = pageState.theme_token;
    options.data['ajax_page_state[libraries]'] = pageState.libraries;
  };

  Drupal.Ajax.prototype.beforeSubmit = function (formValues, element, options) {};

  Drupal.Ajax.prototype.beforeSend = function (xmlhttprequest, options) {
    if (this.$form) {
      options.extraData = options.extraData || {};

      options.extraData.ajax_iframe_upload = '1';

      var v = $.fieldValue(this.element);
      if (v !== null) {
        options.extraData[this.element.name] = v;
      }
    }

    $(this.element).prop('disabled', true);

    if (!this.progress || !this.progress.type) {
      return;
    }

    var progressIndicatorMethod = 'setProgressIndicator' + this.progress.type.slice(0, 1).toUpperCase() + this.progress.type.slice(1).toLowerCase();
    if (progressIndicatorMethod in this && typeof this[progressIndicatorMethod] === 'function') {
      this[progressIndicatorMethod].call(this);
    }
  };

  Drupal.theme.ajaxProgressThrobber = function (message) {
    var messageMarkup = typeof message === 'string' ? Drupal.theme('ajaxProgressMessage', message) : '';
    var throbber = '<div class="throbber">&nbsp;</div>';

    return '<div class="ajax-progress ajax-progress-throbber">' + throbber + messageMarkup + '</div>';
  };

  Drupal.theme.ajaxProgressIndicatorFullscreen = function () {
    return '<div class="ajax-progress ajax-progress-fullscreen">&nbsp;</div>';
  };

  Drupal.theme.ajaxProgressMessage = function (message) {
    return '<div class="message">' + message + '</div>';
  };

  Drupal.Ajax.prototype.setProgressIndicatorBar = function () {
    var progressBar = new Drupal.ProgressBar('ajax-progress-' + this.element.id, $.noop, this.progress.method, $.noop);
    if (this.progress.message) {
      progressBar.setProgress(-1, this.progress.message);
    }
    if (this.progress.url) {
      progressBar.startMonitoring(this.progress.url, this.progress.interval || 1500);
    }
    this.progress.element = $(progressBar.element).addClass('ajax-progress ajax-progress-bar');
    this.progress.object = progressBar;
    $(this.element).after(this.progress.element);
  };

  Drupal.Ajax.prototype.setProgressIndicatorThrobber = function () {
    this.progress.element = $(Drupal.theme('ajaxProgressThrobber', this.progress.message));
    $(this.element).after(this.progress.element);
  };

  Drupal.Ajax.prototype.setProgressIndicatorFullscreen = function () {
    this.progress.element = $(Drupal.theme('ajaxProgressIndicatorFullscreen'));
    $('body').after(this.progress.element);
  };

  Drupal.Ajax.prototype.success = function (response, status) {
    var _this = this;

    if (this.progress.element) {
      $(this.progress.element).remove();
    }
    if (this.progress.object) {
      this.progress.object.stopMonitoring();
    }
    $(this.element).prop('disabled', false);

    var elementParents = $(this.element).parents('[data-drupal-selector]').addBack().toArray();

    var focusChanged = false;
    Object.keys(response || {}).forEach(function (i) {
      if (response[i].command && _this.commands[response[i].command]) {
        _this.commands[response[i].command](_this, response[i], status);
        if (response[i].command === 'invoke' && response[i].method === 'focus') {
          focusChanged = true;
        }
      }
    });

    if (!focusChanged && this.element && !$(this.element).data('disable-refocus')) {
      var target = false;

      for (var n = elementParents.length - 1; !target && n >= 0; n--) {
        target = document.querySelector('[data-drupal-selector="' + elementParents[n].getAttribute('data-drupal-selector') + '"]');
      }

      if (target) {
        $(target).trigger('focus');
      }
    }

    if (this.$form && document.body.contains(this.$form.get(0))) {
      var settings = this.settings || drupalSettings;
      Drupal.attachBehaviors(this.$form.get(0), settings);
    }

    this.settings = null;
  };

  Drupal.Ajax.prototype.getEffect = function (response) {
    var type = response.effect || this.effect;
    var speed = response.speed || this.speed;

    var effect = {};
    if (type === 'none') {
      effect.showEffect = 'show';
      effect.hideEffect = 'hide';
      effect.showSpeed = '';
    } else if (type === 'fade') {
      effect.showEffect = 'fadeIn';
      effect.hideEffect = 'fadeOut';
      effect.showSpeed = speed;
    } else {
      effect.showEffect = type + 'Toggle';
      effect.hideEffect = type + 'Toggle';
      effect.showSpeed = speed;
    }

    return effect;
  };

  Drupal.Ajax.prototype.error = function (xmlhttprequest, uri, customMessage) {
    if (this.progress.element) {
      $(this.progress.element).remove();
    }
    if (this.progress.object) {
      this.progress.object.stopMonitoring();
    }

    $(this.wrapper).show();

    $(this.element).prop('disabled', false);

    if (this.$form && document.body.contains(this.$form.get(0))) {
      var settings = this.settings || drupalSettings;
      Drupal.attachBehaviors(this.$form.get(0), settings);
    }
    throw new Drupal.AjaxError(xmlhttprequest, uri, customMessage);
  };

  Drupal.theme.ajaxWrapperNewContent = function ($newContent, ajax, response) {
    return (response.effect || ajax.effect) !== 'none' && $newContent.filter(function (i) {
      return !($newContent[i].nodeName === '#comment' || $newContent[i].nodeName === '#text' && /^(\s|\n|\r)*$/.test($newContent[i].textContent));
    }).length > 1 ? Drupal.theme('ajaxWrapperMultipleRootElements', $newContent) : $newContent;
  };

  Drupal.theme.ajaxWrapperMultipleRootElements = function ($elements) {
    return $('<div></div>').append($elements);
  };

  Drupal.AjaxCommands = function () {};
  Drupal.AjaxCommands.prototype = {
    insert: function insert(ajax, response) {
      var $wrapper = response.selector ? $(response.selector) : $(ajax.wrapper);
      var method = response.method || ajax.method;
      var effect = ajax.getEffect(response);

      var settings = response.settings || ajax.settings || drupalSettings;

      var $newContent = $($.parseHTML(response.data, document, true));

      $newContent = Drupal.theme('ajaxWrapperNewContent', $newContent, ajax, response);

      switch (method) {
        case 'html':
        case 'replaceWith':
        case 'replaceAll':
        case 'empty':
        case 'remove':
          Drupal.detachBehaviors($wrapper.get(0), settings);
          break;
        default:
          break;
      }

      $wrapper[method]($newContent);

      if (effect.showEffect !== 'show') {
        $newContent.hide();
      }

      var $ajaxNewContent = $newContent.find('.ajax-new-content');
      if ($ajaxNewContent.length) {
        $ajaxNewContent.hide();
        $newContent.show();
        $ajaxNewContent[effect.showEffect](effect.showSpeed);
      } else if (effect.showEffect !== 'show') {
        $newContent[effect.showEffect](effect.showSpeed);
      }

      if ($newContent.parents('html').length) {
        $newContent.each(function (index, element) {
          if (element.nodeType === Node.ELEMENT_NODE) {
            Drupal.attachBehaviors(element, settings);
          }
        });
      }
    },
    remove: function remove(ajax, response, status) {
      var settings = response.settings || ajax.settings || drupalSettings;
      $(response.selector).each(function () {
        Drupal.detachBehaviors(this, settings);
      }).remove();
    },
    changed: function changed(ajax, response, status) {
      var $element = $(response.selector);
      if (!$element.hasClass('ajax-changed')) {
        $element.addClass('ajax-changed');
        if (response.asterisk) {
          $element.find(response.asterisk).append(' <abbr class="ajax-changed" title="' + Drupal.t('Changed') + '">*</abbr> ');
        }
      }
    },
    alert: function alert(ajax, response, status) {
      window.alert(response.text, response.title);
    },
    announce: function announce(ajax, response) {
      if (response.priority) {
        Drupal.announce(response.text, response.priority);
      } else {
        Drupal.announce(response.text);
      }
    },
    redirect: function redirect(ajax, response, status) {
      window.location = response.url;
    },
    css: function css(ajax, response, status) {
      $(response.selector).css(response.argument);
    },
    settings: function settings(ajax, response, status) {
      var ajaxSettings = drupalSettings.ajax;

      if (ajaxSettings) {
        Drupal.ajax.expired().forEach(function (instance) {

          if (instance.selector) {
            var selector = instance.selector.replace('#', '');
            if (selector in ajaxSettings) {
              delete ajaxSettings[selector];
            }
          }
        });
      }

      if (response.merge) {
        $.extend(true, drupalSettings, response.settings);
      } else {
        ajax.settings = response.settings;
      }
    },
    data: function data(ajax, response, status) {
      $(response.selector).data(response.name, response.value);
    },
    invoke: function invoke(ajax, response, status) {
      var $element = $(response.selector);
      $element[response.method].apply($element, _toConsumableArray(response.args));
    },
    restripe: function restripe(ajax, response, status) {
      $(response.selector).find('> tbody > tr:visible, > tr:visible').removeClass('odd even').filter(':even').addClass('odd').end().filter(':odd').addClass('even');
    },
    update_build_id: function update_build_id(ajax, response, status) {
      $('input[name="form_build_id"][value="' + response.old + '"]').val(response.new);
    },
    add_css: function add_css(ajax, response, status) {
      $('head').prepend(response.data);

      var match = void 0;
      var importMatch = /^@import url\("(.*)"\);$/gim;
      if (document.styleSheets[0].addImport && importMatch.test(response.data)) {
        importMatch.lastIndex = 0;
        do {
          match = importMatch.exec(response.data);
          document.styleSheets[0].addImport(match[1]);
        } while (match);
      }
    }
  };
})(jQuery, window, Drupal, drupalSettings);