rcreasey.github.io/src/js/dropdown.js at 754aba287368931320377a73f9a21209f70c8e09 · rcreasey/rcreasey.github.io · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
var dropdown = (function() {

  var _currentFormDropdown = null;

  var mod = {};

  mod.open = function() {
    helper.setObject({
      object: state.get(),
      path: "dropdown",
      newValue: true
    });
  };

  mod.close = function() {
    helper.setObject({
      object: state.get(),
      path: "dropdown",
      newValue: false
    });
  };

  mod.toggle = function() {
    if (state.get().dropdown) {
      helper.setObject({
        object: state.get(),
        path: "dropdown",
        newValue: false
      });
    } else {
      helper.setObject({
        object: state.get(),
        path: "dropdown",
        newValue: true
      });
    };
  };

  var bind = {};

  var documentEvent = {};

  documentEvent.add = function() {
    document.addEventListener("click", documentEvent.clickOut, false);
  };

  documentEvent.remove = function() {
    document.removeEventListener("click", documentEvent.clickOut, false);
  };

  documentEvent.clickOut = function() {
    if (!event.path.includes(_currentFormDropdown)) {
      close();
    };
  };

  bind.formDropdown = function() {
    var allFormDropdown = helper.eA(".form-dropdown");
    allFormDropdown.forEach(function(arrayItem, index) {
      var formDropdown = arrayItem;
      var formDropdownToggle = formDropdown.querySelector(".form-dropdown-toggle");
      var allFormDropdownMenuItem = formDropdown.querySelectorAll(".form-dropdown-menu-item");
      formDropdownToggle.addEventListener("click", function() {
        _currentFormDropdown = formDropdown;
        mod.toggle();
        render.toggle();
      }, false);
      allFormDropdownMenuItem.forEach(function(arrayItem, index) {
        arrayItem.addEventListener("click", function() {
          mod.close();
          render.close();
        }, false);
      });
    });
  };

  var render = {};

  render.offset = function() {
    var formDropdownMenu = _currentFormDropdown.querySelector(".form-dropdown-menu");
    var box = formDropdownMenu.getBoundingClientRect();
    if (box.left + box.width > window.innerWidth) {
      formDropdownMenu.style.right = "0";
      formDropdownMenu.style.left = "inherit";
    } else {
      formDropdownMenu.removeAttribute("style");
    };
  };

  render.toggle = function() {
    if (_currentFormDropdown.classList.contains("form-dropdown-open")) {
      mod.close();
      helper.removeClass(_currentFormDropdown, "form-dropdown-open");
      documentEvent.remove();
      render.offset();
      _currentFormDropdown = null;
    } else {
      mod.open();
      _currentFormDropdown = _currentFormDropdown;
      helper.addClass(_currentFormDropdown, "form-dropdown-open");
      documentEvent.add(_currentFormDropdown);
      render.offset();
    };
  };

  render.close = function() {
    mod.close();
    helper.removeClass(_currentFormDropdown, "form-dropdown-open");
    documentEvent.remove();
    render.offset();
    _currentFormDropdown = null;
  };

  var close = function() {
    mod.close();
    render.close();
    var allFormDropdown = helper.eA(".form-dropdown");
    allFormDropdown.forEach(function(arrayItem, index) {
      helper.removeClass(arrayItem, "form-dropdown-open");
    });
  };

  var init = function() {
    mod.close();
    bind.formDropdown();
  };

  // exposed methods
  return {
    init: init,
    bind: bind,
    render: render,
    close: close
  };

})();