twbs--bootstrap/js/dist/modal.js

'use strict';

var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

/**
 * --------------------------------------------------------------------------
 * Bootstrap (v4.0.0-beta): modal.js
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
 * --------------------------------------------------------------------------
 */

var Modal = function () {

  /**
   * ------------------------------------------------------------------------
   * Constants
   * ------------------------------------------------------------------------
   */

  var NAME = 'modal';
  var VERSION = '4.0.0-beta';
  var DATA_KEY = 'bs.modal';
  var EVENT_KEY = '.' + DATA_KEY;
  var DATA_API_KEY = '.data-api';
  var JQUERY_NO_CONFLICT = $.fn[NAME];
  var TRANSITION_DURATION = 300;
  var BACKDROP_TRANSITION_DURATION = 150;
  var ESCAPE_KEYCODE = 27; // KeyboardEvent.which value for Escape (Esc) key

  var Default = {
    backdrop: true,
    keyboard: true,
    focus: true,
    show: true
  };

  var DefaultType = {
    backdrop: '(boolean|string)',
    keyboard: 'boolean',
    focus: 'boolean',
    show: 'boolean'
  };

  var Event = {
    HIDE: 'hide' + EVENT_KEY,
    HIDDEN: 'hidden' + EVENT_KEY,
    SHOW: 'show' + EVENT_KEY,
    SHOWN: 'shown' + EVENT_KEY,
    FOCUSIN: 'focusin' + EVENT_KEY,
    RESIZE: 'resize' + EVENT_KEY,
    CLICK_DISMISS: 'click.dismiss' + EVENT_KEY,
    KEYDOWN_DISMISS: 'keydown.dismiss' + EVENT_KEY,
    MOUSEUP_DISMISS: 'mouseup.dismiss' + EVENT_KEY,
    MOUSEDOWN_DISMISS: 'mousedown.dismiss' + EVENT_KEY,
    CLICK_DATA_API: 'click' + EVENT_KEY + DATA_API_KEY
  };

  var ClassName = {
    SCROLLBAR_MEASURER: 'modal-scrollbar-measure',
    BACKDROP: 'modal-backdrop',
    OPEN: 'modal-open',
    FADE: 'fade',
    SHOW: 'show'
  };

  var Selector = {
    DIALOG: '.modal-dialog',
    DATA_TOGGLE: '[data-toggle="modal"]',
    DATA_DISMISS: '[data-dismiss="modal"]',
    FIXED_CONTENT: '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top',
    STICKY_CONTENT: '.sticky-top',
    NAVBAR_TOGGLER: '.navbar-toggler'

    /**
     * ------------------------------------------------------------------------
     * Class Definition
     * ------------------------------------------------------------------------
     */

  };
  var Modal = function () {
    function Modal(element, config) {
      _classCallCheck(this, Modal);

      this._config = this._getConfig(config);
      this._element = element;
      this._dialog = $(element).find(Selector.DIALOG)[0];
      this._backdrop = null;
      this._isShown = false;
      this._isBodyOverflowing = false;
      this._ignoreBackdropClick = false;
      this._originalBodyPadding = 0;
      this._scrollbarWidth = 0;
    }

    // getters

    _createClass(Modal, [{
      key: 'toggle',


      // public

      value: function toggle(relatedTarget) {
        return this._isShown ? this.hide() : this.show(relatedTarget);
      }
    }, {
      key: 'show',
      value: function show(relatedTarget) {
        var _this = this;

        if (this._isTransitioning) {
          return;
        }

        if (Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE)) {
          this._isTransitioning = true;
        }

        var showEvent = $.Event(Event.SHOW, {
          relatedTarget: relatedTarget
        });

        $(this._element).trigger(showEvent);

        if (this._isShown || showEvent.isDefaultPrevented()) {
          return;
        }

        this._isShown = true;

        this._checkScrollbar();
        this._setScrollbar();

        this._adjustDialog();

        $(document.body).addClass(ClassName.OPEN);

        this._setEscapeEvent();
        this._setResizeEvent();

        $(this._element).on(Event.CLICK_DISMISS, Selector.DATA_DISMISS, function (event) {
          return _this.hide(event);
        });

        $(this._dialog).on(Event.MOUSEDOWN_DISMISS, function () {
          $(_this._element).one(Event.MOUSEUP_DISMISS, function (event) {
            if ($(event.target).is(_this._element)) {
              _this._ignoreBackdropClick = true;
            }
          });
        });

        this._showBackdrop(function () {
          return _this._showElement(relatedTarget);
        });
      }
    }, {
      key: 'hide',
      value: function hide(event) {
        var _this2 = this;

        if (event) {
          event.preventDefault();
        }

        if (this._isTransitioning || !this._isShown) {
          return;
        }

        var transition = Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE);

        if (transition) {
          this._isTransitioning = true;
        }

        var hideEvent = $.Event(Event.HIDE);

        $(this._element).trigger(hideEvent);

        if (!this._isShown || hideEvent.isDefaultPrevented()) {
          return;
        }

        this._isShown = false;

        this._setEscapeEvent();
        this._setResizeEvent();

        $(document).off(Event.FOCUSIN);

        $(this._element).removeClass(ClassName.SHOW);

        $(this._element).off(Event.CLICK_DISMISS);
        $(this._dialog).off(Event.MOUSEDOWN_DISMISS);

        if (transition) {

          $(this._element).one(Util.TRANSITION_END, function (event) {
            return _this2._hideModal(event);
          }).emulateTransitionEnd(TRANSITION_DURATION);
        } else {
          this._hideModal();
        }
      }
    }, {
      key: 'dispose',
      value: function dispose() {
        $.removeData(this._element, DATA_KEY);

        $(window, document, this._element, this._backdrop).off(EVENT_KEY);

        this._config = null;
        this._element = null;
        this._dialog = null;
        this._backdrop = null;
        this._isShown = null;
        this._isBodyOverflowing = null;
        this._ignoreBackdropClick = null;
        this._scrollbarWidth = null;
      }
    }, {
      key: 'handleUpdate',
      value: function handleUpdate() {
        this._adjustDialog();
      }

      // private

    }, {
      key: '_getConfig',
      value: function _getConfig(config) {
        config = $.extend({}, Default, config);
        Util.typeCheckConfig(NAME, config, DefaultType);
        return config;
      }
    }, {
      key: '_showElement',
      value: function _showElement(relatedTarget) {
        var _this3 = this;

        var transition = Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE);

        if (!this._element.parentNode || this._element.parentNode.nodeType !== Node.ELEMENT_NODE) {
          // don't move modals dom position
          document.body.appendChild(this._element);
        }

        this._element.style.display = 'block';
        this._element.removeAttribute('aria-hidden');
        this._element.scrollTop = 0;

        if (transition) {
          Util.reflow(this._element);
        }

        $(this._element).addClass(ClassName.SHOW);

        if (this._config.focus) {
          this._enforceFocus();
        }

        var shownEvent = $.Event(Event.SHOWN, {
          relatedTarget: relatedTarget
        });

        var transitionComplete = function transitionComplete() {
          if (_this3._config.focus) {
            _this3._element.focus();
          }
          _this3._isTransitioning = false;
          $(_this3._element).trigger(shownEvent);
        };

        if (transition) {
          $(this._dialog).one(Util.TRANSITION_END, transitionComplete).emulateTransitionEnd(TRANSITION_DURATION);
        } else {
          transitionComplete();
        }
      }
    }, {
      key: '_enforceFocus',
      value: function _enforceFocus() {
        var _this4 = this;

        $(document).off(Event.FOCUSIN) // guard against infinite focus loop
        .on(Event.FOCUSIN, function (event) {
          if (document !== event.target && _this4._element !== event.target && !$(_this4._element).has(event.target).length) {
            _this4._element.focus();
          }
        });
      }
    }, {
      key: '_setEscapeEvent',
      value: function _setEscapeEvent() {
        var _this5 = this;

        if (this._isShown && this._config.keyboard) {
          $(this._element).on(Event.KEYDOWN_DISMISS, function (event) {
            if (event.which === ESCAPE_KEYCODE) {
              event.preventDefault();
              _this5.hide();
            }
          });
        } else if (!this._isShown) {
          $(this._element).off(Event.KEYDOWN_DISMISS);
        }
      }
    }, {
      key: '_setResizeEvent',
      value: function _setResizeEvent() {
        var _this6 = this;

        if (this._isShown) {
          $(window).on(Event.RESIZE, function (event) {
            return _this6.handleUpdate(event);
          });
        } else {
          $(window).off(Event.RESIZE);
        }
      }
    }, {
      key: '_hideModal',
      value: function _hideModal() {
        var _this7 = this;

        this._element.style.display = 'none';
        this._element.setAttribute('aria-hidden', true);
        this._isTransitioning = false;
        this._showBackdrop(function () {
          $(document.body).removeClass(ClassName.OPEN);
          _this7._resetAdjustments();
          _this7._resetScrollbar();
          $(_this7._element).trigger(Event.HIDDEN);
        });
      }
    }, {
      key: '_removeBackdrop',
      value: function _removeBackdrop() {
        if (this._backdrop) {
          $(this._backdrop).remove();
          this._backdrop = null;
        }
      }
    }, {
      key: '_showBackdrop',
      value: function _showBackdrop(callback) {
        var _this8 = this;

        var animate = $(this._element).hasClass(ClassName.FADE) ? ClassName.FADE : '';

        if (this._isShown && this._config.backdrop) {
          var doAnimate = Util.supportsTransitionEnd() && animate;

          this._backdrop = document.createElement('div');
          this._backdrop.className = ClassName.BACKDROP;

          if (animate) {
            $(this._backdrop).addClass(animate);
          }

          $(this._backdrop).appendTo(document.body);

          $(this._element).on(Event.CLICK_DISMISS, function (event) {
            if (_this8._ignoreBackdropClick) {
              _this8._ignoreBackdropClick = false;
              return;
            }
            if (event.target !== event.currentTarget) {
              return;
            }
            if (_this8._config.backdrop === 'static') {
              _this8._element.focus();
            } else {
              _this8.hide();
            }
          });

          if (doAnimate) {
            Util.reflow(this._backdrop);
          }

          $(this._backdrop).addClass(ClassName.SHOW);

          if (!callback) {
            return;
          }

          if (!doAnimate) {
            callback();
            return;
          }

          $(this._backdrop).one(Util.TRANSITION_END, callback).emulateTransitionEnd(BACKDROP_TRANSITION_DURATION);
        } else if (!this._isShown && this._backdrop) {
          $(this._backdrop).removeClass(ClassName.SHOW);

          var callbackRemove = function callbackRemove() {
            _this8._removeBackdrop();
            if (callback) {
              callback();
            }
          };

          if (Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE)) {
            $(this._backdrop).one(Util.TRANSITION_END, callbackRemove).emulateTransitionEnd(BACKDROP_TRANSITION_DURATION);
          } else {
            callbackRemove();
          }
        } else if (callback) {
          callback();
        }
      }

      // ----------------------------------------------------------------------
      // the following methods are used to handle overflowing modals
      // todo (fat): these should probably be refactored out of modal.js
      // ----------------------------------------------------------------------

    }, {
      key: '_adjustDialog',
      value: function _adjustDialog() {
        var isModalOverflowing = this._element.scrollHeight > document.documentElement.clientHeight;

        if (!this._isBodyOverflowing && isModalOverflowing) {
          this._element.style.paddingLeft = this._scrollbarWidth + 'px';
        }

        if (this._isBodyOverflowing && !isModalOverflowing) {
          this._element.style.paddingRight = this._scrollbarWidth + 'px';
        }
      }
    }, {
      key: '_resetAdjustments',
      value: function _resetAdjustments() {
        this._element.style.paddingLeft = '';
        this._element.style.paddingRight = '';
      }
    }, {
      key: '_checkScrollbar',
      value: function _checkScrollbar() {
        var rect = document.body.getBoundingClientRect();
        this._isBodyOverflowing = rect.left + rect.right < window.innerWidth;
        this._scrollbarWidth = this._getScrollbarWidth();
      }
    }, {
      key: '_setScrollbar',
      value: function _setScrollbar() {
        var _this9 = this;

        if (this._isBodyOverflowing) {
          // Note: DOMNode.style.paddingRight returns the actual value or '' if not set
          //   while $(DOMNode).css('padding-right') returns the calculated value or 0 if not set

          // Adjust fixed content padding
          $(Selector.FIXED_CONTENT).each(function (index, element) {
            var actualPadding = $(element)[0].style.paddingRight;
            var calculatedPadding = $(element).css('padding-right');
            $(element).data('padding-right', actualPadding).css('padding-right', parseFloat(calculatedPadding) + _this9._scrollbarWidth + 'px');
          });

          // Adjust sticky content margin
          $(Selector.STICKY_CONTENT).each(function (index, element) {
            var actualMargin = $(element)[0].style.marginRight;
            var calculatedMargin = $(element).css('margin-right');
            $(element).data('margin-right', actualMargin).css('margin-right', parseFloat(calculatedMargin) - _this9._scrollbarWidth + 'px');
          });

          // Adjust navbar-toggler margin
          $(Selector.NAVBAR_TOGGLER).each(function (index, element) {
            var actualMargin = $(element)[0].style.marginRight;
            var calculatedMargin = $(element).css('margin-right');
            $(element).data('margin-right', actualMargin).css('margin-right', parseFloat(calculatedMargin) + _this9._scrollbarWidth + 'px');
          });

          // Adjust body padding
          var actualPadding = document.body.style.paddingRight;
          var calculatedPadding = $('body').css('padding-right');
          $('body').data('padding-right', actualPadding).css('padding-right', parseFloat(calculatedPadding) + this._scrollbarWidth + 'px');
        }
      }
    }, {
      key: '_resetScrollbar',
      value: function _resetScrollbar() {
        // Restore fixed content padding
        $(Selector.FIXED_CONTENT).each(function (index, element) {
          var padding = $(element).data('padding-right');
          if (typeof padding !== 'undefined') {
            $(element).css('padding-right', padding).removeData('padding-right');
          }
        });

        // Restore sticky content and navbar-toggler margin
        $(Selector.STICKY_CONTENT + ', ' + Selector.NAVBAR_TOGGLER).each(function (index, element) {
          var margin = $(element).data('margin-right');
          if (typeof margin !== 'undefined') {
            $(element).css('margin-right', margin).removeData('margin-right');
          }
        });

        // Restore body padding
        var padding = $('body').data('padding-right');
        if (typeof padding !== 'undefined') {
          $('body').css('padding-right', padding).removeData('padding-right');
        }
      }
    }, {
      key: '_getScrollbarWidth',
      value: function _getScrollbarWidth() {
        // thx d.walsh
        var scrollDiv = document.createElement('div');
        scrollDiv.className = ClassName.SCROLLBAR_MEASURER;
        document.body.appendChild(scrollDiv);
        var scrollbarWidth = scrollDiv.getBoundingClientRect().width - scrollDiv.clientWidth;
        document.body.removeChild(scrollDiv);
        return scrollbarWidth;
      }

      // static

    }], [{
      key: '_jQueryInterface',
      value: function _jQueryInterface(config, relatedTarget) {
        return this.each(function () {
          var data = $(this).data(DATA_KEY);
          var _config = $.extend({}, Modal.Default, $(this).data(), (typeof config === 'undefined' ? 'undefined' : _typeof(config)) === 'object' && config);

          if (!data) {
            data = new Modal(this, _config);
            $(this).data(DATA_KEY, data);
          }

          if (typeof config === 'string') {
            if (typeof data[config] === 'undefined') {
              throw new Error('No method named "' + config + '"');
            }
            data[config](relatedTarget);
          } else if (_config.show) {
            data.show(relatedTarget);
          }
        });
      }
    }, {
      key: 'VERSION',
      get: function get() {
        return VERSION;
      }
    }, {
      key: 'Default',
      get: function get() {
        return Default;
      }
    }]);

    return Modal;
  }();

  /**
   * ------------------------------------------------------------------------
   * Data Api implementation
   * ------------------------------------------------------------------------
   */

  $(document).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
    var _this10 = this;

    var target = void 0;
    var selector = Util.getSelectorFromElement(this);

    if (selector) {
      target = $(selector)[0];
    }

    var config = $(target).data(DATA_KEY) ? 'toggle' : $.extend({}, $(target).data(), $(this).data());

    if (this.tagName === 'A' || this.tagName === 'AREA') {
      event.preventDefault();
    }

    var $target = $(target).one(Event.SHOW, function (showEvent) {
      if (showEvent.isDefaultPrevented()) {
        // only register focus restorer if modal will actually get shown
        return;
      }

      $target.one(Event.HIDDEN, function () {
        if ($(_this10).is(':visible')) {
          _this10.focus();
        }
      });
    });

    Modal._jQueryInterface.call($(target), config, this);
  });

  /**
   * ------------------------------------------------------------------------
   * jQuery
   * ------------------------------------------------------------------------
   */

  $.fn[NAME] = Modal._jQueryInterface;
  $.fn[NAME].Constructor = Modal;
  $.fn[NAME].noConflict = function () {
    $.fn[NAME] = JQUERY_NO_CONFLICT;
    return Modal._jQueryInterface;
  };

  return Modal;
}(jQuery);
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