https://northern.edu/themes/custom/northern_barrio/js/embed.js?v=10.6.18

1(function (window) {
2  var tgbEmbed = window.tgbEmbed;
3  if (!tgbEmbed) {
4    tgbEmbed = {
5      domain: window.tagboardDomain || "https://embed.tagboard.com",
6      modalFrm: null,
7      frames: [],
8
9      con: {
10        log: function (s) { console.log(s); },
11        warn: function (s) { console.warn ? console.warn(s) : console.log(s); },
12        error: function (s) { console.error ? console.error(s) : console.log(s); }
13      },
14
15      insertIFrame: function _insertIFrame(div, embedId, preview, nostats) {
16        var ifrm = document.createElement("IFRAME"),
17          frameID = tgbEmbed.frames.length + 1,
18          frameURL = tgbEmbed.domain + "/" + embedId;
19
20        if (preview) {
21          frameURL += '/preview';
22        }
23
24        if (nostats) {
25          var prefix = '?';
26          frameURL += prefix + 'nostats=true';
27        }
28
29        frameURL += "#id=" + frameID;
30
31        ifrm.setAttribute("src", frameURL);
32        ifrm.setAttribute("onload", "tgbEmbed.frameLoaded(" + frameID + ")");
33        ifrm.setAttribute("class", "tagboard-iframe");
34        ifrm.setAttribute("tgb-frame-id", frameID);
35        ifrm.name = "tagboard";
36        ifrm.setAttribute("style", "border:0; width:100%; height:100%");
37        ifrm.setAttribute("title", "Tagboard Embed");
38        ifrm.setAttribute("scrolling", "no");
39
40        div.appendChild(ifrm);
41        return ifrm;
42      },
43
44      frameLoaded: function _frameLoaded(frame_id) {
45        if (tgbEmbed.modalFrm) {
46          tgbEmbed.modalFrm.contentWindow.postMessage('tgbPingFrames', tgbEmbed.domain);
47        }
48
49        tgbEmbed.execForFrames(function (ifrm) {
50          ifrm.contentWindow.postMessage('location:' + JSON.stringify(window.location), tgbEmbed.domain);
51          ifrm.contentWindow.postMessage('height?', tgbEmbed.domain);
52        }, frame_id);
53      },
54
55      execForFrames: function _execForFrame(func, frame_id) {
56        tgbEmbed.frames.some(function (ifrm) {
57          var match = ifrm.getAttribute('tgb-frame-id') == frame_id;
58          if (!frame_id || match) {
59            func(ifrm);
60            return frame_id ? true : false;
61          }
62          return false;
63        });
64      },
65
66      createModalIframe: function _createModalIframe() {
67        if (document.getElementsByName('tagboard-modal').length) { return; }
68
69        var ifrm = document.createElement("iframe"),
70          style = document.createElement('style'),
71          css = '.tgb-noscroll { overflow: hidden; }';
72
73        ifrm.setAttribute("src", tgbEmbed.domain + "/embed-modal");
74        ifrm.setAttribute("class", "tagboard-modal");
75        ifrm.name = "tagboard-modal";
76        ifrm.setAttribute("style", "border:0!important; position:fixed!important; top:0!important; left:0!important; width:100%!important; height:100%!important; z-index:999999!important; display:none; visibility:hidden;");
77        ifrm.setAttribute("scrolling", "no");
78        ifrm.setAttribute("title", "Tagboard Post Details");
79
80        style.type = 'text/css';
81        style.appendChild(document.createTextNode(css));
82
83        document.getElementsByTagName('head')[0].appendChild(style);
84        document.getElementsByTagName("body")[0].appendChild(ifrm);
85        tgbEmbed.modalFrm = ifrm;
86      },
87
88      setFrameHeight: function _setFrameHeight(height, frame_id) {
89        tgbEmbed.execForFrames(function (ifrm) {
90          var prev = parseInt(ifrm.style.height, 10),
91            newHeight = height;
92
93          ifrm.style.height = newHeight + "px";
94        }, frame_id);
95      },
96
97      handleFrameMessage: function _handleFrameMessage(e) {
98        var body, iframe;
99
100        if (e.origin == tgbEmbed.domain) {
101          var dataObj = {};
102          e.data.split('&').forEach(function (e) {
103            var d = e.split(':');
104            dataObj[d[0]] = d.length > 1 ? d[1] : d[0];
105          });
106
107          if (dataObj.height) {
108            tgbEmbed.setFrameHeight(parseInt(dataObj.height), dataObj.frame_id);
109          }
110
111          if (e.data === "needsModalFrame" && !tgbEmbed.modalFrm) {
112            tgbEmbed.createModalIframe();
113          }
114
115          if (e.data === "tgbShowModalIframe") {
116            body = document.getElementsByTagName("body")[0],
117              iframe = document.getElementsByClassName('tagboard-modal')[0];
118
119            iframe.style.display = 'block';
120            iframe.style.visibility = 'visible';
121            body.classList.add('tgb-noscroll');
122          }
123
124          if (e.data === "tgbHideModalIframe") {
125            body = document.getElementsByTagName("body")[0],
126              iframe = document.getElementsByClassName('tagboard-modal')[0];
127
128            iframe.style.display = 'none';
129            iframe.style.visibility = 'hidden';
130            body.classList.remove('tgb-noscroll');
131          }
132
133          if (e.data.indexOf('tgbRemoveIframe') === 0) {
134            var id = e.data.substr(e.data.indexOf(':') + 1),
135              element = document.querySelector("iframe[tgb-frame-id='" + id + "']");
136            element.parentNode.removeChild(element);
137          }
138        }
139      },
140
141      initializeFrames: function _initializeFrames() {
142        var elems = document.getElementsByClassName('tagboard-embed');
143        for (var i = 0; i < elems.length; ++i) {
144          var div = elems[i],
145            eid = div.getAttribute('tgb-embed-id'),
146            noStats = div.getAttribute('tgb-no-stats') == 'true',
147            previewMode = div.getAttribute('tgb-preview-mode') == 'true';
148
149          if ((div.nodeName === 'DIV') && eid && !div.getAttribute('tgb-built-iframe')) {
150            tgbEmbed.frames.push(tgbEmbed.insertIFrame(div, eid, previewMode, noStats));
151            div.setAttribute('tgb-built-iframe', "1");
152          }
153        }
154      }
155    };
156
157    window.tgbEmbed = tgbEmbed;
158
159    window.addEventListener('message', tgbEmbed.handleFrameMessage, false);
160  }
161
162  window.tgbEmbed.initializeFrames();
163
164})(window);