epub.js/libs/annotator/lib/widget.js

// Generated by CoffeeScript 1.6.3
var __hasProp = {}.hasOwnProperty,
  __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };

Annotator.Widget = (function(_super) {
  __extends(Widget, _super);

  Widget.prototype.classes = {
    hide: 'annotator-hide',
    invert: {
      x: 'annotator-invert-x',
      y: 'annotator-invert-y'
    }
  };

  function Widget(element, options) {
    Widget.__super__.constructor.apply(this, arguments);
    this.classes = $.extend({}, Annotator.Widget.prototype.classes, this.classes);
  }

  Widget.prototype.destroy = function() {
    this.removeEvents();
    return this.element.remove();
  };

  Widget.prototype.checkOrientation = function() {
    var current, offset, viewport, widget, window;
    this.resetOrientation();
    window = $(Annotator.Util.getGlobal());
    widget = this.element.children(":first");
    offset = widget.offset();
    viewport = {
      top: window.scrollTop(),
      right: window.width() + window.scrollLeft()
    };
    current = {
      top: offset.top,
      right: offset.left + widget.width()
    };
    if ((current.top - viewport.top) < 0) {
      this.invertY();
    }
    if ((current.right - viewport.right) > 0) {
      this.invertX();
    }
    return this;
  };

  Widget.prototype.resetOrientation = function() {
    this.element.removeClass(this.classes.invert.x).removeClass(this.classes.invert.y);
    return this;
  };

  Widget.prototype.invertX = function() {
    this.element.addClass(this.classes.invert.x);
    return this;
  };

  Widget.prototype.invertY = function() {
    this.element.addClass(this.classes.invert.y);
    return this;
  };

  Widget.prototype.isInvertedY = function() {
    return this.element.hasClass(this.classes.invert.y);
  };

  Widget.prototype.isInvertedX = function() {
    return this.element.hasClass(this.classes.invert.x);
  };

  return Widget;

})(Delegator);

/*
//@ sourceMappingURL=widget.map
*/