annotate core/misc/dropbutton/dropbutton.js @ 0:c75dbcec494b

Initial commit from drush-created site

/**
* DO NOT EDIT THIS FILE.
* See the following change record for more information,
* https://www.drupal.org/node/2815083
* @preserve
**/

(function ($, Drupal) {
  Drupal.behaviors.dropButton = {
    attach: function attach(context, settings) {
      var $dropbuttons = $(context).find('.dropbutton-wrapper').once('dropbutton');
      if ($dropbuttons.length) {
        var $body = $('body').once('dropbutton-click');
        if ($body.length) {
          $body.on('click', '.dropbutton-toggle', dropbuttonClickHandler);
        }

        var il = $dropbuttons.length;
        for (var i = 0; i < il; i++) {
          DropButton.dropbuttons.push(new DropButton($dropbuttons[i], settings.dropbutton));
        }
      }
    }
  };

  function dropbuttonClickHandler(e) {
    e.preventDefault();
    $(e.target).closest('.dropbutton-wrapper').toggleClass('open');
  }

  function DropButton(dropbutton, settings) {
    var options = $.extend({ title: Drupal.t('List additional actions') }, settings);
    var $dropbutton = $(dropbutton);

    this.$dropbutton = $dropbutton;

    this.$list = $dropbutton.find('.dropbutton');

    this.$actions = this.$list.find('li').addClass('dropbutton-action');

    if (this.$actions.length > 1) {
      var $primary = this.$actions.slice(0, 1);

      var $secondary = this.$actions.slice(1);
      $secondary.addClass('secondary-action');

      $primary.after(Drupal.theme('dropbuttonToggle', options));

      this.$dropbutton.addClass('dropbutton-multiple').on({
        'mouseleave.dropbutton': $.proxy(this.hoverOut, this),

        'mouseenter.dropbutton': $.proxy(this.hoverIn, this),

        'focusout.dropbutton': $.proxy(this.focusOut, this),

        'focusin.dropbutton': $.proxy(this.focusIn, this)
      });
    } else {
      this.$dropbutton.addClass('dropbutton-single');
    }
  }

  $.extend(DropButton, {
    dropbuttons: []
  });

  $.extend(DropButton.prototype, {
    toggle: function toggle(show) {
      var isBool = typeof show === 'boolean';
      show = isBool ? show : !this.$dropbutton.hasClass('open');
      this.$dropbutton.toggleClass('open', show);
    },
    hoverIn: function hoverIn() {
      if (this.timerID) {
        window.clearTimeout(this.timerID);
      }
    },
    hoverOut: function hoverOut() {
      this.timerID = window.setTimeout($.proxy(this, 'close'), 500);
    },
    open: function open() {
      this.toggle(true);
    },
    close: function close() {
      this.toggle(false);
    },
    focusOut: function focusOut(e) {
      this.hoverOut.call(this, e);
    },
    focusIn: function focusIn(e) {
      this.hoverIn.call(this, e);
    }
  });

  $.extend(Drupal.theme, {
    dropbuttonToggle: function dropbuttonToggle(options) {
      return '<li class="dropbutton-toggle"><button type="button"><span class="dropbutton-arrow"><span class="visually-hidden">' + options.title + '</span></span></button></li>';
    }
  });

  Drupal.DropButton = DropButton;
})(jQuery, Drupal);