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Filename : common.js
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$(function () {
  Functions.checkNumberOfFields();
});

/**
 * Holds common parameters such as server, db, table, etc
 *
 * The content for this is normally loaded from Header.php or
 * Response.php and executed by ajax.js
 *
 * @test-module CommonParams
 */
var CommonParams = function () {
  /**
   * @var {Object} params An associative array of key value pairs
   * @access private
   */
  var params = {};
  // The returned object is the public part of the module
  return {
    /**
     * Saves all the key value pair that
     * are provided in the input array
     *
     * @param obj hash The input array
     *
     * @return {void}
     */
    setAll: function (obj) {
      var updateNavigation = false;
      for (var i in obj) {
        if (params[i] !== undefined && params[i] !== obj[i]) {
          if (i === 'db' || i === 'table') {
            updateNavigation = true;
          }
        }
        params[i] = obj[i];
      }
      if (updateNavigation && $('#pma_navigation_tree').hasClass('synced')) {
        Navigation.showCurrent();
      }
    },
    /**
     * Retrieves a value given its key
     * Returns empty string for undefined values
     *
     * @param {string} name The key
     *
     * @return {string}
     */
    get: function (name) {
      return params[name];
    },
    /**
     * Saves a single key value pair
     *
     * @param {string} name  The key
     * @param {string} value The value
     *
     * @return {CommonParams} For chainability
     */
    set: function (name, value) {
      var updateNavigation = false;
      if (name === 'db' || name === 'table' && params[name] !== value) {
        updateNavigation = true;
      }
      params[name] = value;
      if (updateNavigation && $('#pma_navigation_tree').hasClass('synced')) {
        Navigation.showCurrent();
      }
      return this;
    },
    /**
     * Returns the url query string using the saved parameters
     *
     * @param {string} separator New separator
     *
     * @return {string}
     */
    getUrlQuery: function (separator) {
      var sep = typeof separator !== 'undefined' ? separator : '?';
      var common = this.get('common_query');
      var argsep = CommonParams.get('arg_separator');
      if (typeof common === 'string' && common.length > 0) {
        // If the last char is the separator, do not add it
        // Else add it
        common = common.substr(common.length - 1, common.length) === argsep ? common : common + argsep;
      }
      return Functions.sprintf('%s%sserver=%s' + argsep + 'db=%s' + argsep + 'table=%s', sep, common, encodeURIComponent(this.get('server')), encodeURIComponent(this.get('db')), encodeURIComponent(this.get('table')));
    }
  };
}();

/**
 * Holds common parameters such as server, db, table, etc
 *
 * The content for this is normally loaded from Header.php or
 * Response.php and executed by ajax.js
 */
// eslint-disable-next-line no-unused-vars
var CommonActions = {
  /**
   * Saves the database name when it's changed
   * and reloads the query window, if necessary
   *
   * @param {string} newDb new_db The name of the new database
   *
   * @return {void}
   */
  setDb: function (newDb) {
    if (newDb !== CommonParams.get('db')) {
      CommonParams.setAll({
        'db': newDb,
        'table': ''
      });
    }
  },
  /**
   * Opens a database in the main part of the page
   *
   * @param {string} newDb The name of the new database
   *
   * @return {void}
   */
  openDb: function (newDb) {
    CommonParams.set('db', newDb).set('table', '');
    this.refreshMain(CommonParams.get('opendb_url'));
  },
  /**
   * Refreshes the main frame
   *
   * @param {any} url Undefined to refresh to the same page
   *                  String to go to a different page, e.g: 'index.php'
   * @param {function | undefined} callback
   *
   * @return {void}
   */
  refreshMain: function (url) {
    let callback = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : undefined;
    var newUrl = url;
    if (!newUrl) {
      newUrl = $('#selflink').find('a').attr('href') || window.location.pathname;
      newUrl = newUrl.substring(0, newUrl.indexOf('?'));
    }
    if (newUrl.indexOf('?') !== -1) {
      newUrl += CommonParams.getUrlQuery(CommonParams.get('arg_separator'));
    } else {
      newUrl += CommonParams.getUrlQuery('?');
    }
    $('<a></a>', {
      href: newUrl
    }).appendTo('body').trigger('click').remove();
    if (typeof callback !== 'undefined') {
      AJAX.callback = callback;
    }
  }
};