Remove custom jquery input event

closes #7371

app/assets/javascripts/main.js

@@ -10,7 +10,6 @@
 //= require charcount
 //= require jquery-placeholder
 //= require rails-timeago
-//= require jquery.events.input
 //= require jquery-ui/core
 //= require jquery-ui/widget
 //= require jquery-ui/mouse

vendor/assets/javascripts/jquery.events.input.js

-/*
-    jQuery `input` special event v1.0
-
-    http://whattheheadsaid.com/projects/input-special-event
-
-    (c) 2010-2011 Andy Earnshaw
-    MIT license
-    www.opensource.org/licenses/mit-license.php
-
-    Modified by Kenneth Auchenberg
-    * Disabled usage of onPropertyChange event in IE, since its a bit delayed, if you type really fast.
-*/
-
-(function($) {
-  // Handler for propertychange events only
-  function propHandler() {
-    var $this = $(this);
-    if (window.event.propertyName == "value" && !$this.data("triggering.inputEvent")) {
-      $this.data("triggering.inputEvent", true).trigger("input");
-      window.setTimeout(function () {
-        $this.data("triggering.inputEvent", false);
-      }, 0);
-    }
-  }
-
-  $.event.special.input = {
-    setup: function(data, namespaces) {
-      var timer,
-        // Get a reference to the element
-        elem = this,
-        // Store the current state of the element
-        state = elem.value,
-        // Create a dummy element that we can use for testing event support
-        tester = document.createElement(this.tagName),
-        // Check for native oninput
-        oninput = "oninput" in tester || checkEvent(tester),
-        // Check for onpropertychange
-        onprop = "onpropertychange" in tester,
-        // Generate a random namespace for event bindings
-        ns = "inputEventNS" + ~~(Math.random() * 10000000),
-        // Last resort event names
-        evts = ["focus", "blur", "paste", "cut", "keydown", "drop", ""].join("." + ns + " ");
-
-      function checkState() {
-        var $this = $(elem);
-        if (elem.value != state && !$this.data("triggering.inputEvent")) {
-          state = elem.value;
-
-          $this.data("triggering.inputEvent", true).trigger("input");
-          window.setTimeout(function () {
-            $this.data("triggering.inputEvent", false);
-          }, 0);
-        }
-      }
-
-      // Set up a function to handle the different events that may fire
-      function handler(e) {
-        // When focusing, set a timer that polls for changes to the value
-        if (e.type == "focus") {
-          checkState();
-          clearInterval(timer);
-          timer = window.setInterval(checkState, 250);
-        } else if (e.type == "blur") {
-          // When blurring, cancel the aforeset timer
-          window.clearInterval(timer);
-        } else {
-          // For all other events, queue a timer to check state ASAP
-          window.setTimeout(checkState, 0);
-        }
-      }
-
-      // Bind to native event if available
-      if (oninput) {
-        return false;
-//      } else if (onprop) {
-//        // Else fall back to propertychange if available
-//        $(this).find("input, textarea").andSelf().filter("input, textarea").bind("propertychange." + ns, propHandler);
-      } else {
-        // Else clutch at straws!
-        $(this).find("input, textarea").andSelf().filter("input, textarea").bind(evts, handler);
-      }
-      $(this).data("inputEventHandlerNS", ns);
-    },
-    teardown: function () {
-      var elem = $(this);
-      elem.find("input, textarea").unbind(elem.data("inputEventHandlerNS"));
-      elem.data("inputEventHandlerNS", "");
-    }
-  };
-
-  // Setup our jQuery shorthand method
-  $.fn.input = function (handler) {
-    return handler ? this.bind("input", handler) : this.trigger("input");
-  };
-
-  /*
-   The following function tests the element for oninput support in Firefox.  Many thanks to
-   http://blog.danielfriesen.name/2010/02/16/html5-browser-maze-oninput-support/
-   */
-  function checkEvent(el) {
-    // First check, for if Firefox fixes its issue with el.oninput = function
-    el.setAttribute("oninput", "return");
-    if (typeof el.oninput == "function") {
-      return true;
-    }
-    // Second check, because Firefox doesn't map oninput attribute to oninput property
-    try {
-
-      // "* Note * : Disabled focus and dispatch of keypress event due to conflict with DOMready, which resulted in scrolling down to the bottom of the page, possibly because layout wasn't finished rendering.
-      var e = document.createEvent("KeyboardEvent"),
-        ok = false,
-        tester = function(e) {
-          ok = true;
-          e.preventDefault();
-          e.stopPropagation();
-      };
-
-      // e.initKeyEvent("keypress", true, true, window, false, false, false, false, 0, "e".charCodeAt(0));
-
-      document.body.appendChild(el);
-      el.addEventListener("input", tester, false);
-      // el.focus();
-      // el.dispatchEvent(e);
-      el.removeEventListener("input", tester, false);
-      document.body.removeChild(el);
-      return ok;
-
-    } catch(error) {
-
-    }
-  }
-})(jQuery);
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