From b4adc6883ff3a0c8d6bcc197176aa60ecf97b55c Mon Sep 17 00:00:00 2001
From: virusdefender <1670873886@qq.com>
Date: Fri, 11 Sep 2015 16:27:01 +0800
Subject: [PATCH 1/4] add favicon

---
 static/src/img/favicon.ico | Bin 0 -> 67646 bytes
 template/src/oj/index.html |   1 +
 template/src/oj_base.html  |   1 +
 3 files changed, 2 insertions(+)
 create mode 100644 static/src/img/favicon.ico

diff --git a/static/src/img/favicon.ico b/static/src/img/favicon.ico
new file mode 100644
index 0000000000000000000000000000000000000000..6096ac452a2ae4aaed2fd21d59ee6e510160f00c
GIT binary patch
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diff --git a/template/src/oj/index.html b/template/src/oj/index.html
index 181fa31f..c8c1d8f1 100644
--- a/template/src/oj/index.html
+++ b/template/src/oj/index.html
@@ -6,6 +6,7 @@
     <title>青岛大学在线评测平台 - 首页</title>
 
     <link rel="stylesheet" type="text/css" href="/static/css/fullpage/jquery.fullPage.css">
+    <link rel="shortcut icon" href="/static/img/favicon.ico">
     <style>
         html, textarea, input, option, select, button {
             font: 1em "Helvetica Neue", Helvetica, "Lantinghei SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑",
diff --git a/template/src/oj_base.html b/template/src/oj_base.html
index f1dcdf6e..0b69c633 100644
--- a/template/src/oj_base.html
+++ b/template/src/oj_base.html
@@ -5,6 +5,7 @@
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta name="viewport" content="width=device-width, initial-scale=1">
     <meta name="renderer" content="webkit">
+    <link rel="shortcut icon" href="/static/img/favicon.ico">
 
     <title>在线评测系统</title>
 

From ad4b1150f32f0a3a5288ce8a5d8ef8518cc75bcd Mon Sep 17 00:00:00 2001
From: virusdefender <1670873886@qq.com>
Date: Fri, 11 Sep 2015 16:58:36 +0800
Subject: [PATCH 2/4] =?UTF-8?q?=E5=A2=9E=E5=8A=A0=E5=A4=8D=E5=88=B6?=
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 =?UTF-8?q?=E5=8A=9F=E8=83=BD?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 static/src/img/ZeroClipboard.swf              |  Bin 0 -> 6584 bytes
 static/src/js/app/oj/problem/problem.js       |  352 +--
 static/src/js/config.js                       |    1 +
 .../src/js/lib/ZeroClipboard/ZeroClipboard.js | 2610 +++++++++++++++++
 template/src/oj/problem/problem.html          |    1 +
 5 files changed, 2791 insertions(+), 173 deletions(-)
 create mode 100755 static/src/img/ZeroClipboard.swf
 create mode 100755 static/src/js/lib/ZeroClipboard/ZeroClipboard.js

diff --git a/static/src/img/ZeroClipboard.swf b/static/src/img/ZeroClipboard.swf
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zUNC7E8N*FZWVkKwr=x`^mToU{g(#M97qP<<?n7K5@NpoO2gplYk-BFGCEU1K-~_QA
zb4KVB5PcafRWAlU2^>~m^rPJ63$aZsa~Fb}S)8lq5!Z{j`RJwzlUQLw-GnP!cv%o%
zHiMAQswRtrM12a1M~M0~EKz@4owZU_VV2d0%*Bdm>{*}s3e2lNLasu<4_@TKM%!Q_
zEFgD$abXGHG$Kqe61Y+fwsNLaUK3t=5<JDO;e|3*8&||bH<aSir>wZdt&6#kg|8Bq
z8byg0UcnR96ZUE`>b2EQ_Tni7Ze}&wW0gwFW*FtuhMPCAVr$OrWkp&Mk&Dq+*~>_M
z72f8G3~9v=uuMC!M45J*QKku~CXu}c?IYrdfNDbZTn6wiW3L^gH(RE+T@*auLM4ed
zffZ>@0(!O|J>VfQUB&XZI@}og4A$`+{RFp{!#?mDa5HX>WdPjQ%x;8l-ae+-!Uc3L
zWZA@aev;b@g~01zc=lF7=7op3yuWe&yWz*k1mA&y&jMtx&emUB<znJu4nbc6i`UGR
z0{t{sM!C#<xiI5KGZpH|EOWXUL}3hHwL}F&QWJLBf_;XY2Yk%}zFq=)F~JSJ0fpW-
zfW4@g+ZCDH?VDHj7E2Ej7NA(tdlf=w;jQ^|G}DCf+#C^1K;TUvA?XpOb#%=)t%u5f
qb}THpB;y+y<k3>{tG6t_;@8Etu$p%{`;Kej|IXfnkpBmp<jd2@o0JCt

literal 0
HcmV?d00001

diff --git a/static/src/js/app/oj/problem/problem.js b/static/src/js/app/oj/problem/problem.js
index 823afc82..360569cb 100644
--- a/static/src/js/app/oj/problem/problem.js
+++ b/static/src/js/app/oj/problem/problem.js
@@ -1,183 +1,189 @@
-require(["jquery", "codeMirror", "csrfToken", "bsAlert"], function ($, codeMirror, csrfTokenHeader, bsAlert) {
-    var codeEditorSelector = $("#code-editor")[0];
-    // 部分界面逻辑会隐藏代码输入框，先判断有没有。
-    if (codeEditorSelector == undefined) {
-        return;
-    }
-    var codeEditor = codeMirror(codeEditorSelector, "text/x-csrc");
-    var language = $("input[name='language'][checked]").val();
-    var submissionId;
-
-    $("input[name='language']").change(function () {
-        language = this.value;
-        var languageTypes = {"1": "text/x-csrc", "2": "text/x-c++src", "3": "text/x-java"};
-        codeEditor.setOption("mode", languageTypes[language]);
-    });
-
-    $("#show-more-btn").click(function () {
-        $(".hide").attr("class", "problem-section");
-        $("#show-more-btn").hide();
-    });
-
-    function showLoading() {
-        $("#submit-code-button").attr("disabled", "disabled");
-        $("#loading-gif").show();
-    }
-
-    function hideLoading() {
-        $("#submit-code-button").removeAttr("disabled");
-        $("#loading-gif").hide();
-    }
-
-    function getResultHtml(data) {
-        // 0 结果正确 1 运行错误 2 超时 3 超内存 4 编译错误
-        // 5 格式错误 6 结果错误 7 系统错误 8 等待判题
-        var results = {
-            0: {"alert_class": "success", message: "Accepted"},
-            1: {"alert_class": "danger", message: "Runtime Error"},
-            2: {"alert_class": "warning", message: "Time Limit Exceeded"},
-            3: {"alert_class": "warning", message: "Memory Limit Exceeded"},
-            4: {"alert_class": "danger", message: "Compile Error"},
-            5: {"alert_class": "warning", message: "Format Error"},
-            6: {"alert_class": "danger", message: "Wrong Answer"},
-            7: {"alert_class": "danger", message: "System Error"},
-            8: {"alert_class": "info", message: "Waiting"}
-        };
-
-        var html = '<div class="alert alert-' +
-            results[data.result].alert_class + ' result"' +
-            ' role="alert">' +
-            '<div class="alert-link">' +
-            results[data.result].message +
-            '!&nbsp;&nbsp; ';
-        if (!data.result) {
-            html += "CPU time: " + data.accepted_answer_time + "ms &nbsp;&nbsp;";
-        }
-        html += ('<a href="/submission/' + submissionId + '/" target="_blank">查看详情</a></div> </div>');
-
-        return html;
-    }
-
-    var counter = 0;
-
-    function getResult() {
-        if (counter++ > 10) {
-            hideLoading();
-            bsAlert("抱歉，服务器可能出现了故障，请稍后到我的提交列表中查看");
-            counter = 0;
+require(["jquery", "codeMirror", "csrfToken", "bsAlert", "ZeroClipboard"],
+    function ($, codeMirror, csrfTokenHeader, bsAlert, ZeroClipboard) {
+        var codeEditorSelector = $("#code-editor")[0];
+        // 部分界面逻辑会隐藏代码输入框，先判断有没有。
+        if (codeEditorSelector == undefined) {
             return;
         }
+
+        // 提供点击复制到剪切板的功能
+        ZeroClipboard.config({swfPath: "/static/img/ZeroClipboard.swf"});
+        new ZeroClipboard($(".copy-sample"));
+
+        var codeEditor = codeMirror(codeEditorSelector, "text/x-csrc");
+        var language = $("input[name='language'][checked]").val();
+        var submissionId;
+
+        $("input[name='language']").change(function () {
+            language = this.value;
+            var languageTypes = {"1": "text/x-csrc", "2": "text/x-c++src", "3": "text/x-java"};
+            codeEditor.setOption("mode", languageTypes[language]);
+        });
+
+        $("#show-more-btn").click(function () {
+            $(".hide").attr("class", "problem-section");
+            $("#show-more-btn").hide();
+        });
+
+        function showLoading() {
+            $("#submit-code-button").attr("disabled", "disabled");
+            $("#loading-gif").show();
+        }
+
+        function hideLoading() {
+            $("#submit-code-button").removeAttr("disabled");
+            $("#loading-gif").hide();
+        }
+
+        function getResultHtml(data) {
+            // 0 结果正确 1 运行错误 2 超时 3 超内存 4 编译错误
+            // 5 格式错误 6 结果错误 7 系统错误 8 等待判题
+            var results = {
+                0: {"alert_class": "success", message: "Accepted"},
+                1: {"alert_class": "danger", message: "Runtime Error"},
+                2: {"alert_class": "warning", message: "Time Limit Exceeded"},
+                3: {"alert_class": "warning", message: "Memory Limit Exceeded"},
+                4: {"alert_class": "danger", message: "Compile Error"},
+                5: {"alert_class": "warning", message: "Format Error"},
+                6: {"alert_class": "danger", message: "Wrong Answer"},
+                7: {"alert_class": "danger", message: "System Error"},
+                8: {"alert_class": "info", message: "Waiting"}
+            };
+
+            var html = '<div class="alert alert-' +
+                results[data.result].alert_class + ' result"' +
+                ' role="alert">' +
+                '<div class="alert-link">' +
+                results[data.result].message +
+                '!&nbsp;&nbsp; ';
+            if (!data.result) {
+                html += "CPU time: " + data.accepted_answer_time + "ms &nbsp;&nbsp;";
+            }
+            html += ('<a href="/submission/' + submissionId + '/" target="_blank">查看详情</a></div> </div>');
+
+            return html;
+        }
+
+        var counter = 0;
+
+        function getResult() {
+            if (counter++ > 10) {
+                hideLoading();
+                bsAlert("抱歉，服务器可能出现了故障，请稍后到我的提交列表中查看");
+                counter = 0;
+                return;
+            }
+            $.ajax({
+                url: "/api/submission/?submission_id=" + submissionId,
+                method: "get",
+                dataType: "json",
+                success: function (data) {
+                    if (!data.code) {
+                        // 8是还没有完成判题
+                        if (data.data.result == 8) {
+                            // 1秒之后重新去获取
+                            setTimeout(getResult, 1000);
+                        }
+                        else {
+                            counter = 0;
+                            hideLoading();
+                            $("#result").html(getResultHtml(data.data));
+                        }
+                    }
+                    else {
+                        bsAlert(data.data);
+                        hideLoading();
+                    }
+                }
+            })
+        }
+
+        function guessLanguage(code) {
+            //cpp
+            if (code.indexOf("using namespace std") > -1) {
+                return "2";
+            }
+            //c
+            if (code.indexOf("printf") > -1) {
+                return "1";
+            }
+            //java
+            if (code.indexOf("public class Main")) {
+                return "3";
+            }
+        }
+
+        $("#submit-code-button").click(function () {
+
+            var code = codeEditor.getValue();
+
+            if (!code.trim()) {
+                bsAlert("请填写代码！");
+                hideLoading();
+                return false;
+            }
+
+            if (guessLanguage(code) != language) {
+                if (!confirm("您选择的代码语言可能存在错误，是否继续提交？")) {
+                    return;
+                }
+            }
+
+            if (location.href.indexOf("contest") > -1) {
+                var problemId = location.pathname.split("/")[4];
+                var contestId = location.pathname.split("/")[2];
+                var url = "/api/contest/submission/";
+                var data = {
+                    problem_id: problemId,
+                    language: language,
+                    code: code,
+                    contest_id: contestId
+                };
+            }
+            else {
+                var problemId = window.location.pathname.split("/")[2];
+                var url = "/api/submission/";
+                var data = {
+                    problem_id: problemId,
+                    language: language,
+                    code: code
+                };
+            }
+
+            showLoading();
+
+            $("#result").html("");
+
+            $.ajax({
+                beforeSend: csrfTokenHeader,
+                url: url,
+                method: "post",
+                data: JSON.stringify(data),
+                contentType: "application/json",
+                success: function (data) {
+                    if (!data.code) {
+                        submissionId = data.data.submission_id;
+                        // 获取到id 之后2秒去查询一下判题结果
+                        setTimeout(getResult, 2000);
+                    }
+                    else {
+                        bsAlert(data.data);
+                        hideLoading();
+                    }
+                }
+            });
+
+        });
+
         $.ajax({
-            url: "/api/submission/?submission_id=" + submissionId,
+            url: "/api/user/",
             method: "get",
             dataType: "json",
             success: function (data) {
-                if (!data.code) {
-                    // 8是还没有完成判题
-                    if (data.data.result == 8) {
-                        // 1秒之后重新去获取
-                        setTimeout(getResult, 1000);
-                    }
-                    else {
-                        counter = 0;
-                        hideLoading();
-                        $("#result").html(getResultHtml(data.data));
-                    }
-                }
-                else {
-                    bsAlert(data.data);
-                    hideLoading();
+                if (data.code) {
+                    $("#submit-code-button").attr("disabled", "disabled");
+                    $("#result").html('<div class="alert alert-danger" role="alert"><div class="alert-link">请先<a href="/login/" target="_blank">登录</a>!</div> </div>');
                 }
             }
         })
-    }
-
-    function guessLanguage(code) {
-        //cpp
-        if (code.indexOf("using namespace std") > -1) {
-            return "2";
-        }
-        //c
-        if (code.indexOf("printf") > -1) {
-            return "1";
-        }
-        //java
-        if (code.indexOf("public class Main")) {
-            return "3";
-        }
-    }
-
-    $("#submit-code-button").click(function () {
-
-        var code = codeEditor.getValue();
-
-        if (!code.trim()) {
-            bsAlert("请填写代码！");
-            hideLoading();
-            return false;
-        }
-
-        if(guessLanguage(code) != language){
-            if(!confirm("您选择的代码语言可能存在错误，是否继续提交？")){
-                return;
-            }
-        }
-
-        if (location.href.indexOf("contest") > -1) {
-            var problemId = location.pathname.split("/")[4];
-            var contestId = location.pathname.split("/")[2];
-            var url = "/api/contest/submission/";
-            var data = {
-                problem_id: problemId,
-                language: language,
-                code: code,
-                contest_id: contestId
-            };
-        }
-        else {
-            var problemId = window.location.pathname.split("/")[2];
-            var url = "/api/submission/";
-            var data = {
-                problem_id: problemId,
-                language: language,
-                code: code
-            };
-        }
-
-        showLoading();
-
-        $("#result").html("");
-
-        $.ajax({
-            beforeSend: csrfTokenHeader,
-            url: url,
-            method: "post",
-            data: JSON.stringify(data),
-            contentType: "application/json",
-            success: function (data) {
-                if (!data.code) {
-                    submissionId = data.data.submission_id;
-                    // 获取到id 之后2秒去查询一下判题结果
-                    setTimeout(getResult, 2000);
-                }
-                else {
-                    bsAlert(data.data);
-                    hideLoading();
-                }
-            }
-        });
-
     });
-
-    $.ajax({
-        url: "/api/user/",
-        method: "get",
-        dataType: "json",
-        success: function (data) {
-            if (data.code) {
-                $("#submit-code-button").attr("disabled", "disabled");
-                $("#result").html('<div class="alert alert-danger" role="alert"><div class="alert-link">请先<a href="/login/" target="_blank">登录</a>!</div> </div>');
-            }
-        }
-    })
-});
diff --git a/static/src/js/config.js b/static/src/js/config.js
index ba68fd50..0d25b3d5 100644
--- a/static/src/js/config.js
+++ b/static/src/js/config.js
@@ -20,6 +20,7 @@ var require = {
         bootstrap: "lib/bootstrap/bootstrap",
         datetimePicker: "lib/datetime_picker/bootstrap-datetimepicker.zh-CN",
         validator: "lib/validator/validator",
+        ZeroClipboard: "lib/ZeroClipboard/ZeroClipboard",
 
 
         // ------ 下面写的都不要直接用，而是使用上面的封装版本 ------
diff --git a/static/src/js/lib/ZeroClipboard/ZeroClipboard.js b/static/src/js/lib/ZeroClipboard/ZeroClipboard.js
new file mode 100755
index 00000000..63912cd8
--- /dev/null
+++ b/static/src/js/lib/ZeroClipboard/ZeroClipboard.js
@@ -0,0 +1,2610 @@
+/*!
+ * ZeroClipboard
+ * The ZeroClipboard library provides an easy way to copy text to the clipboard using an invisible Adobe Flash movie and a JavaScript interface.
+ * Copyright (c) 2009-2015 Jon Rohan, James M. Greene
+ * Licensed MIT
+ * http://zeroclipboard.org/
+ * v2.3.0-beta.1
+ */
+(function(window, undefined) {
+  "use strict";
+  /**
+ * Store references to critically important global functions that may be
+ * overridden on certain web pages.
+ */
+  var _window = window, _document = _window.document, _navigator = _window.navigator, _setTimeout = _window.setTimeout, _clearTimeout = _window.clearTimeout, _setInterval = _window.setInterval, _clearInterval = _window.clearInterval, _getComputedStyle = _window.getComputedStyle, _encodeURIComponent = _window.encodeURIComponent, _ActiveXObject = _window.ActiveXObject, _Error = _window.Error, _parseInt = _window.Number.parseInt || _window.parseInt, _parseFloat = _window.Number.parseFloat || _window.parseFloat, _isNaN = _window.Number.isNaN || _window.isNaN, _now = _window.Date.now, _keys = _window.Object.keys, _defineProperty = _window.Object.defineProperty, _hasOwn = _window.Object.prototype.hasOwnProperty, _slice = _window.Array.prototype.slice, _unwrap = function() {
+    var unwrapper = function(el) {
+      return el;
+    };
+    if (typeof _window.wrap === "function" && typeof _window.unwrap === "function") {
+      try {
+        var div = _document.createElement("div");
+        var unwrappedDiv = _window.unwrap(div);
+        if (div.nodeType === 1 && unwrappedDiv && unwrappedDiv.nodeType === 1) {
+          unwrapper = _window.unwrap;
+        }
+      } catch (e) {}
+    }
+    return unwrapper;
+  }();
+  /**
+ * Convert an `arguments` object into an Array.
+ *
+ * @returns The arguments as an Array
+ * @private
+ */
+  var _args = function(argumentsObj) {
+    return _slice.call(argumentsObj, 0);
+  };
+  /**
+ * Shallow-copy the owned, enumerable properties of one object over to another, similar to jQuery's `$.extend`.
+ *
+ * @returns The target object, augmented
+ * @private
+ */
+  var _extend = function() {
+    var i, len, arg, prop, src, copy, args = _args(arguments), target = args[0] || {};
+    for (i = 1, len = args.length; i < len; i++) {
+      if ((arg = args[i]) != null) {
+        for (prop in arg) {
+          if (_hasOwn.call(arg, prop)) {
+            src = target[prop];
+            copy = arg[prop];
+            if (target !== copy && copy !== undefined) {
+              target[prop] = copy;
+            }
+          }
+        }
+      }
+    }
+    return target;
+  };
+  /**
+ * Return a deep copy of the source object or array.
+ *
+ * @returns Object or Array
+ * @private
+ */
+  var _deepCopy = function(source) {
+    var copy, i, len, prop;
+    if (typeof source !== "object" || source == null || typeof source.nodeType === "number") {
+      copy = source;
+    } else if (typeof source.length === "number") {
+      copy = [];
+      for (i = 0, len = source.length; i < len; i++) {
+        if (_hasOwn.call(source, i)) {
+          copy[i] = _deepCopy(source[i]);
+        }
+      }
+    } else {
+      copy = {};
+      for (prop in source) {
+        if (_hasOwn.call(source, prop)) {
+          copy[prop] = _deepCopy(source[prop]);
+        }
+      }
+    }
+    return copy;
+  };
+  /**
+ * Makes a shallow copy of `obj` (like `_extend`) but filters its properties based on a list of `keys` to keep.
+ * The inverse of `_omit`, mostly. The big difference is that these properties do NOT need to be enumerable to
+ * be kept.
+ *
+ * @returns A new filtered object.
+ * @private
+ */
+  var _pick = function(obj, keys) {
+    var newObj = {};
+    for (var i = 0, len = keys.length; i < len; i++) {
+      if (keys[i] in obj) {
+        newObj[keys[i]] = obj[keys[i]];
+      }
+    }
+    return newObj;
+  };
+  /**
+ * Makes a shallow copy of `obj` (like `_extend`) but filters its properties based on a list of `keys` to omit.
+ * The inverse of `_pick`.
+ *
+ * @returns A new filtered object.
+ * @private
+ */
+  var _omit = function(obj, keys) {
+    var newObj = {};
+    for (var prop in obj) {
+      if (keys.indexOf(prop) === -1) {
+        newObj[prop] = obj[prop];
+      }
+    }
+    return newObj;
+  };
+  /**
+ * Remove all owned, enumerable properties from an object.
+ *
+ * @returns The original object without its owned, enumerable properties.
+ * @private
+ */
+  var _deleteOwnProperties = function(obj) {
+    if (obj) {
+      for (var prop in obj) {
+        if (_hasOwn.call(obj, prop)) {
+          delete obj[prop];
+        }
+      }
+    }
+    return obj;
+  };
+  /**
+ * Determine if an element is contained within another element.
+ *
+ * @returns Boolean
+ * @private
+ */
+  var _containedBy = function(el, ancestorEl) {
+    if (el && el.nodeType === 1 && el.ownerDocument && ancestorEl && (ancestorEl.nodeType === 1 && ancestorEl.ownerDocument && ancestorEl.ownerDocument === el.ownerDocument || ancestorEl.nodeType === 9 && !ancestorEl.ownerDocument && ancestorEl === el.ownerDocument)) {
+      do {
+        if (el === ancestorEl) {
+          return true;
+        }
+        el = el.parentNode;
+      } while (el);
+    }
+    return false;
+  };
+  /**
+ * Get the URL path's parent directory.
+ *
+ * @returns String or `undefined`
+ * @private
+ */
+  var _getDirPathOfUrl = function(url) {
+    var dir;
+    if (typeof url === "string" && url) {
+      dir = url.split("#")[0].split("?")[0];
+      dir = url.slice(0, url.lastIndexOf("/") + 1);
+    }
+    return dir;
+  };
+  /**
+ * Get the current script's URL by throwing an `Error` and analyzing it.
+ *
+ * @returns String or `undefined`
+ * @private
+ */
+  var _getCurrentScriptUrlFromErrorStack = function(stack) {
+    var url, matches;
+    if (typeof stack === "string" && stack) {
+      matches = stack.match(/^(?:|[^:@]*@|.+\)@(?=http[s]?|file)|.+?\s+(?: at |@)(?:[^:\(]+ )*[\(]?)((?:http[s]?|file):\/\/[\/]?.+?\/[^:\)]*?)(?::\d+)(?::\d+)?/);
+      if (matches && matches[1]) {
+        url = matches[1];
+      } else {
+        matches = stack.match(/\)@((?:http[s]?|file):\/\/[\/]?.+?\/[^:\)]*?)(?::\d+)(?::\d+)?/);
+        if (matches && matches[1]) {
+          url = matches[1];
+        }
+      }
+    }
+    return url;
+  };
+  /**
+ * Get the current script's URL by throwing an `Error` and analyzing it.
+ *
+ * @returns String or `undefined`
+ * @private
+ */
+  var _getCurrentScriptUrlFromError = function() {
+    var url, err;
+    try {
+      throw new _Error();
+    } catch (e) {
+      err = e;
+    }
+    if (err) {
+      url = err.sourceURL || err.fileName || _getCurrentScriptUrlFromErrorStack(err.stack);
+    }
+    return url;
+  };
+  /**
+ * Get the current script's URL.
+ *
+ * @returns String or `undefined`
+ * @private
+ */
+  var _getCurrentScriptUrl = function() {
+    var jsPath, scripts, i;
+    if (_document.currentScript && (jsPath = _document.currentScript.src)) {
+      return jsPath;
+    }
+    scripts = _document.getElementsByTagName("script");
+    if (scripts.length === 1) {
+      return scripts[0].src || undefined;
+    }
+    if ("readyState" in scripts[0]) {
+      for (i = scripts.length; i--; ) {
+        if (scripts[i].readyState === "interactive" && (jsPath = scripts[i].src)) {
+          return jsPath;
+        }
+      }
+    }
+    if (_document.readyState === "loading" && (jsPath = scripts[scripts.length - 1].src)) {
+      return jsPath;
+    }
+    if (jsPath = _getCurrentScriptUrlFromError()) {
+      return jsPath;
+    }
+    return undefined;
+  };
+  /**
+ * Get the unanimous parent directory of ALL script tags.
+ * If any script tags are either (a) inline or (b) from differing parent
+ * directories, this method must return `undefined`.
+ *
+ * @returns String or `undefined`
+ * @private
+ */
+  var _getUnanimousScriptParentDir = function() {
+    var i, jsDir, jsPath, scripts = _document.getElementsByTagName("script");
+    for (i = scripts.length; i--; ) {
+      if (!(jsPath = scripts[i].src)) {
+        jsDir = null;
+        break;
+      }
+      jsPath = _getDirPathOfUrl(jsPath);
+      if (jsDir == null) {
+        jsDir = jsPath;
+      } else if (jsDir !== jsPath) {
+        jsDir = null;
+        break;
+      }
+    }
+    return jsDir || undefined;
+  };
+  /**
+ * Get the presumed location of the "ZeroClipboard.swf" file, based on the location
+ * of the executing JavaScript file (e.g. "ZeroClipboard.js", etc.).
+ *
+ * @returns String
+ * @private
+ */
+  var _getDefaultSwfPath = function() {
+    var jsDir = _getDirPathOfUrl(_getCurrentScriptUrl()) || _getUnanimousScriptParentDir() || "";
+    return jsDir + "ZeroClipboard.swf";
+  };
+  /**
+ * Is the client's operating system some version of Windows?
+ *
+ * @returns Boolean
+ * @private
+ */
+  var _isWindows = function() {
+    var isWindowsRegex = /win(dows|[\s]?(nt|me|ce|xp|vista|[\d]+))/i;
+    return !!_navigator && (isWindowsRegex.test(_navigator.appVersion || "") || isWindowsRegex.test(_navigator.platform || "") || (_navigator.userAgent || "").indexOf("Windows") !== -1);
+  };
+  /**
+ * Keep track of if the page is framed (in an `iframe`). This can never change.
+ * @private
+ */
+  var _pageIsFramed = function() {
+    return window.opener == null && (!!window.top && window != window.top || !!window.parent && window != window.parent);
+  }();
+  /**
+ * Keep track of the state of the Flash object.
+ * @private
+ */
+  var _flashState = {
+    bridge: null,
+    version: "0.0.0",
+    pluginType: "unknown",
+    disabled: null,
+    outdated: null,
+    sandboxed: null,
+    unavailable: null,
+    degraded: null,
+    deactivated: null,
+    overdue: null,
+    ready: null
+  };
+  /**
+ * The minimum Flash Player version required to use ZeroClipboard completely.
+ * @readonly
+ * @private
+ */
+  var _minimumFlashVersion = "11.0.0";
+  /**
+ * The ZeroClipboard library version number, as reported by Flash, at the time the SWF was compiled.
+ */
+  var _zcSwfVersion;
+  /**
+ * Keep track of all event listener registrations.
+ * @private
+ */
+  var _handlers = {};
+  /**
+ * Keep track of the currently activated element.
+ * @private
+ */
+  var _currentElement;
+  /**
+ * Keep track of the element that was activated when a `copy` process started.
+ * @private
+ */
+  var _copyTarget;
+  /**
+ * Keep track of data for the pending clipboard transaction.
+ * @private
+ */
+  var _clipData = {};
+  /**
+ * Keep track of data formats for the pending clipboard transaction.
+ * @private
+ */
+  var _clipDataFormatMap = null;
+  /**
+ * Keep track of the Flash availability check timeout.
+ * @private
+ */
+  var _flashCheckTimeout = 0;
+  /**
+ * Keep track of SWF network errors interval polling.
+ * @private
+ */
+  var _swfFallbackCheckInterval = 0;
+  /**
+ * The `message` store for events
+ * @private
+ */
+  var _eventMessages = {
+    ready: "Flash communication is established",
+    error: {
+      "flash-disabled": "Flash is disabled or not installed. May also be attempting to run Flash in a sandboxed iframe, which is impossible.",
+      "flash-outdated": "Flash is too outdated to support ZeroClipboard",
+      "flash-sandboxed": "Attempting to run Flash in a sandboxed iframe, which is impossible",
+      "flash-unavailable": "Flash is unable to communicate bidirectionally with JavaScript",
+      "flash-degraded": "Flash is unable to preserve data fidelity when communicating with JavaScript",
+      "flash-deactivated": "Flash is too outdated for your browser and/or is configured as click-to-activate.\nThis may also mean that the ZeroClipboard SWF object could not be loaded, so please check your `swfPath` configuration and/or network connectivity.\nMay also be attempting to run Flash in a sandboxed iframe, which is impossible.",
+      "flash-overdue": "Flash communication was established but NOT within the acceptable time limit",
+      "version-mismatch": "ZeroClipboard JS version number does not match ZeroClipboard SWF version number",
+      "clipboard-error": "At least one error was thrown while ZeroClipboard was attempting to inject your data into the clipboard",
+      "config-mismatch": "ZeroClipboard configuration does not match Flash's reality",
+      "swf-not-found": "The ZeroClipboard SWF object could not be loaded, so please check your `swfPath` configuration and/or network connectivity"
+    }
+  };
+  /**
+ * The `name`s of `error` events that can only occur is Flash has at least
+ * been able to load the SWF successfully.
+ * @private
+ */
+  var _errorsThatOnlyOccurAfterFlashLoads = [ "flash-unavailable", "flash-degraded", "flash-overdue", "version-mismatch", "config-mismatch", "clipboard-error" ];
+  /**
+ * The `name`s of `error` events that should likely result in the `_flashState`
+ * variable's property values being updated.
+ * @private
+ */
+  var _flashStateErrorNames = [ "flash-disabled", "flash-outdated", "flash-sandboxed", "flash-unavailable", "flash-degraded", "flash-deactivated", "flash-overdue" ];
+  /**
+ * A RegExp to match the `name` property of `error` events related to Flash.
+ * @private
+ */
+  var _flashStateErrorNameMatchingRegex = new RegExp("^flash-(" + _flashStateErrorNames.map(function(errorName) {
+    return errorName.replace(/^flash-/, "");
+  }).join("|") + ")$");
+  /**
+ * A RegExp to match the `name` property of `error` events related to Flash,
+ * which is enabled.
+ * @private
+ */
+  var _flashStateEnabledErrorNameMatchingRegex = new RegExp("^flash-(" + _flashStateErrorNames.slice(1).map(function(errorName) {
+    return errorName.replace(/^flash-/, "");
+  }).join("|") + ")$");
+  /**
+ * ZeroClipboard configuration defaults for the Core module.
+ * @private
+ */
+  var _globalConfig = {
+    swfPath: _getDefaultSwfPath(),
+    trustedDomains: window.location.host ? [ window.location.host ] : [],
+    cacheBust: true,
+    forceEnhancedClipboard: false,
+    flashLoadTimeout: 3e4,
+    autoActivate: true,
+    bubbleEvents: true,
+    fixLineEndings: true,
+    containerId: "global-zeroclipboard-html-bridge",
+    containerClass: "global-zeroclipboard-container",
+    swfObjectId: "global-zeroclipboard-flash-bridge",
+    hoverClass: "zeroclipboard-is-hover",
+    activeClass: "zeroclipboard-is-active",
+    forceHandCursor: false,
+    title: null,
+    zIndex: 999999999
+  };
+  /**
+ * The underlying implementation of `ZeroClipboard.config`.
+ * @private
+ */
+  var _config = function(options) {
+    if (typeof options === "object" && options !== null) {
+      for (var prop in options) {
+        if (_hasOwn.call(options, prop)) {
+          if (/^(?:forceHandCursor|title|zIndex|bubbleEvents|fixLineEndings)$/.test(prop)) {
+            _globalConfig[prop] = options[prop];
+          } else if (_flashState.bridge == null) {
+            if (prop === "containerId" || prop === "swfObjectId") {
+              if (_isValidHtml4Id(options[prop])) {
+                _globalConfig[prop] = options[prop];
+              } else {
+                throw new Error("The specified `" + prop + "` value is not valid as an HTML4 Element ID");
+              }
+            } else {
+              _globalConfig[prop] = options[prop];
+            }
+          }
+        }
+      }
+    }
+    if (typeof options === "string" && options) {
+      if (_hasOwn.call(_globalConfig, options)) {
+        return _globalConfig[options];
+      }
+      return;
+    }
+    return _deepCopy(_globalConfig);
+  };
+  /**
+ * The underlying implementation of `ZeroClipboard.state`.
+ * @private
+ */
+  var _state = function() {
+    _detectSandbox();
+    return {
+      browser: _pick(_navigator, [ "userAgent", "platform", "appName", "appVersion" ]),
+      flash: _omit(_flashState, [ "bridge" ]),
+      zeroclipboard: {
+        version: ZeroClipboard.version,
+        config: ZeroClipboard.config()
+      }
+    };
+  };
+  /**
+ * The underlying implementation of `ZeroClipboard.isFlashUnusable`.
+ * @private
+ */
+  var _isFlashUnusable = function() {
+    return !!(_flashState.disabled || _flashState.outdated || _flashState.sandboxed || _flashState.unavailable || _flashState.degraded || _flashState.deactivated);
+  };
+  /**
+ * The underlying implementation of `ZeroClipboard.on`.
+ * @private
+ */
+  var _on = function(eventType, listener) {
+    var i, len, events, added = {};
+    if (typeof eventType === "string" && eventType) {
+      events = eventType.toLowerCase().split(/\s+/);
+    } else if (typeof eventType === "object" && eventType && typeof listener === "undefined") {
+      for (i in eventType) {
+        if (_hasOwn.call(eventType, i) && typeof i === "string" && i && typeof eventType[i] === "function") {
+          ZeroClipboard.on(i, eventType[i]);
+        }
+      }
+    }
+    if (events && events.length) {
+      for (i = 0, len = events.length; i < len; i++) {
+        eventType = events[i].replace(/^on/, "");
+        added[eventType] = true;
+        if (!_handlers[eventType]) {
+          _handlers[eventType] = [];
+        }
+        _handlers[eventType].push(listener);
+      }
+      if (added.ready && _flashState.ready) {
+        ZeroClipboard.emit({
+          type: "ready"
+        });
+      }
+      if (added.error) {
+        for (i = 0, len = _flashStateErrorNames.length; i < len; i++) {
+          if (_flashState[_flashStateErrorNames[i].replace(/^flash-/, "")] === true) {
+            ZeroClipboard.emit({
+              type: "error",
+              name: _flashStateErrorNames[i]
+            });
+            break;
+          }
+        }
+        if (_zcSwfVersion !== undefined && ZeroClipboard.version !== _zcSwfVersion) {
+          ZeroClipboard.emit({
+            type: "error",
+            name: "version-mismatch",
+            jsVersion: ZeroClipboard.version,
+            swfVersion: _zcSwfVersion
+          });
+        }
+      }
+    }
+    return ZeroClipboard;
+  };
+  /**
+ * The underlying implementation of `ZeroClipboard.off`.
+ * @private
+ */
+  var _off = function(eventType, listener) {
+    var i, len, foundIndex, events, perEventHandlers;
+    if (arguments.length === 0) {
+      events = _keys(_handlers);
+    } else if (typeof eventType === "string" && eventType) {
+      events = eventType.split(/\s+/);
+    } else if (typeof eventType === "object" && eventType && typeof listener === "undefined") {
+      for (i in eventType) {
+        if (_hasOwn.call(eventType, i) && typeof i === "string" && i && typeof eventType[i] === "function") {
+          ZeroClipboard.off(i, eventType[i]);
+        }
+      }
+    }
+    if (events && events.length) {
+      for (i = 0, len = events.length; i < len; i++) {
+        eventType = events[i].toLowerCase().replace(/^on/, "");
+        perEventHandlers = _handlers[eventType];
+        if (perEventHandlers && perEventHandlers.length) {
+          if (listener) {
+            foundIndex = perEventHandlers.indexOf(listener);
+            while (foundIndex !== -1) {
+              perEventHandlers.splice(foundIndex, 1);
+              foundIndex = perEventHandlers.indexOf(listener, foundIndex);
+            }
+          } else {
+            perEventHandlers.length = 0;
+          }
+        }
+      }
+    }
+    return ZeroClipboard;
+  };
+  /**
+ * The underlying implementation of `ZeroClipboard.handlers`.
+ * @private
+ */
+  var _listeners = function(eventType) {
+    var copy;
+    if (typeof eventType === "string" && eventType) {
+      copy = _deepCopy(_handlers[eventType]) || null;
+    } else {
+      copy = _deepCopy(_handlers);
+    }
+    return copy;
+  };
+  /**
+ * The underlying implementation of `ZeroClipboard.emit`.
+ * @private
+ */
+  var _emit = function(event) {
+    var eventCopy, returnVal, tmp;
+    event = _createEvent(event);
+    if (!event) {
+      return;
+    }
+    if (_preprocessEvent(event)) {
+      return;
+    }
+    if (event.type === "ready" && _flashState.overdue === true) {
+      return ZeroClipboard.emit({
+        type: "error",
+        name: "flash-overdue"
+      });
+    }
+    eventCopy = _extend({}, event);
+    _dispatchCallbacks.call(this, eventCopy);
+    if (event.type === "copy") {
+      tmp = _mapClipDataToFlash(_clipData);
+      returnVal = tmp.data;
+      _clipDataFormatMap = tmp.formatMap;
+    }
+    return returnVal;
+  };
+  /**
+ * The underlying implementation of `ZeroClipboard.create`.
+ * @private
+ */
+  var _create = function() {
+    var previousState = _flashState.sandboxed;
+    _detectSandbox();
+    if (typeof _flashState.ready !== "boolean") {
+      _flashState.ready = false;
+    }
+    if (_flashState.sandboxed !== previousState && _flashState.sandboxed === true) {
+      _flashState.ready = false;
+      ZeroClipboard.emit({
+        type: "error",
+        name: "flash-sandboxed"
+      });
+    } else if (!ZeroClipboard.isFlashUnusable() && _flashState.bridge === null) {
+      var maxWait = _globalConfig.flashLoadTimeout;
+      if (typeof maxWait === "number" && maxWait >= 0) {
+        _flashCheckTimeout = _setTimeout(function() {
+          if (typeof _flashState.deactivated !== "boolean") {
+            _flashState.deactivated = true;
+          }
+          if (_flashState.deactivated === true) {
+            ZeroClipboard.emit({
+              type: "error",
+              name: "flash-deactivated"
+            });
+          }
+        }, maxWait);
+      }
+      _flashState.overdue = false;
+      _embedSwf();
+    }
+  };
+  /**
+ * The underlying implementation of `ZeroClipboard.destroy`.
+ * @private
+ */
+  var _destroy = function() {
+    ZeroClipboard.clearData();
+    ZeroClipboard.blur();
+    ZeroClipboard.emit("destroy");
+    _unembedSwf();
+    ZeroClipboard.off();
+  };
+  /**
+ * The underlying implementation of `ZeroClipboard.setData`.
+ * @private
+ */
+  var _setData = function(format, data) {
+    var dataObj;
+    if (typeof format === "object" && format && typeof data === "undefined") {
+      dataObj = format;
+      ZeroClipboard.clearData();
+    } else if (typeof format === "string" && format) {
+      dataObj = {};
+      dataObj[format] = data;
+    } else {
+      return;
+    }
+    for (var dataFormat in dataObj) {
+      if (typeof dataFormat === "string" && dataFormat && _hasOwn.call(dataObj, dataFormat) && typeof dataObj[dataFormat] === "string" && dataObj[dataFormat]) {
+        _clipData[dataFormat] = _fixLineEndings(dataObj[dataFormat]);
+      }
+    }
+  };
+  /**
+ * The underlying implementation of `ZeroClipboard.clearData`.
+ * @private
+ */
+  var _clearData = function(format) {
+    if (typeof format === "undefined") {
+      _deleteOwnProperties(_clipData);
+      _clipDataFormatMap = null;
+    } else if (typeof format === "string" && _hasOwn.call(_clipData, format)) {
+      delete _clipData[format];
+    }
+  };
+  /**
+ * The underlying implementation of `ZeroClipboard.getData`.
+ * @private
+ */
+  var _getData = function(format) {
+    if (typeof format === "undefined") {
+      return _deepCopy(_clipData);
+    } else if (typeof format === "string" && _hasOwn.call(_clipData, format)) {
+      return _clipData[format];
+    }
+  };
+  /**
+ * The underlying implementation of `ZeroClipboard.focus`/`ZeroClipboard.activate`.
+ * @private
+ */
+  var _focus = function(element) {
+    if (!(element && element.nodeType === 1)) {
+      return;
+    }
+    if (_currentElement) {
+      _removeClass(_currentElement, _globalConfig.activeClass);
+      if (_currentElement !== element) {
+        _removeClass(_currentElement, _globalConfig.hoverClass);
+      }
+    }
+    _currentElement = element;
+    _addClass(element, _globalConfig.hoverClass);
+    var newTitle = element.getAttribute("title") || _globalConfig.title;
+    if (typeof newTitle === "string" && newTitle) {
+      var htmlBridge = _getHtmlBridge(_flashState.bridge);
+      if (htmlBridge) {
+        htmlBridge.setAttribute("title", newTitle);
+      }
+    }
+    var useHandCursor = _globalConfig.forceHandCursor === true || _getStyle(element, "cursor") === "pointer";
+    _setHandCursor(useHandCursor);
+    _reposition();
+  };
+  /**
+ * The underlying implementation of `ZeroClipboard.blur`/`ZeroClipboard.deactivate`.
+ * @private
+ */
+  var _blur = function() {
+    var htmlBridge = _getHtmlBridge(_flashState.bridge);
+    if (htmlBridge) {
+      htmlBridge.removeAttribute("title");
+      htmlBridge.style.left = "0px";
+      htmlBridge.style.top = "-9999px";
+      htmlBridge.style.width = "1px";
+      htmlBridge.style.height = "1px";
+    }
+    if (_currentElement) {
+      _removeClass(_currentElement, _globalConfig.hoverClass);
+      _removeClass(_currentElement, _globalConfig.activeClass);
+      _currentElement = null;
+    }
+  };
+  /**
+ * The underlying implementation of `ZeroClipboard.activeElement`.
+ * @private
+ */
+  var _activeElement = function() {
+    return _currentElement || null;
+  };
+  /**
+ * Check if a value is a valid HTML4 `ID` or `Name` token.
+ * @private
+ */
+  var _isValidHtml4Id = function(id) {
+    return typeof id === "string" && id && /^[A-Za-z][A-Za-z0-9_:\-\.]*$/.test(id);
+  };
+  /**
+ * Create or update an `event` object, based on the `eventType`.
+ * @private
+ */
+  var _createEvent = function(event) {
+    var eventType;
+    if (typeof event === "string" && event) {
+      eventType = event;
+      event = {};
+    } else if (typeof event === "object" && event && typeof event.type === "string" && event.type) {
+      eventType = event.type;
+    }
+    if (!eventType) {
+      return;
+    }
+    eventType = eventType.toLowerCase();
+    if (!event.target && (/^(copy|aftercopy|_click)$/.test(eventType) || eventType === "error" && event.name === "clipboard-error")) {
+      event.target = _copyTarget;
+    }
+    _extend(event, {
+      type: eventType,
+      target: event.target || _currentElement || null,
+      relatedTarget: event.relatedTarget || null,
+      currentTarget: _flashState && _flashState.bridge || null,
+      timeStamp: event.timeStamp || _now() || null
+    });
+    var msg = _eventMessages[event.type];
+    if (event.type === "error" && event.name && msg) {
+      msg = msg[event.name];
+    }
+    if (msg) {
+      event.message = msg;
+    }
+    if (event.type === "ready") {
+      _extend(event, {
+        target: null,
+        version: _flashState.version
+      });
+    }
+    if (event.type === "error") {
+      if (_flashStateErrorNameMatchingRegex.test(event.name)) {
+        _extend(event, {
+          target: null,
+          minimumVersion: _minimumFlashVersion
+        });
+      }
+      if (_flashStateEnabledErrorNameMatchingRegex.test(event.name)) {
+        _extend(event, {
+          version: _flashState.version
+        });
+      }
+    }
+    if (event.type === "copy") {
+      event.clipboardData = {
+        setData: ZeroClipboard.setData,
+        clearData: ZeroClipboard.clearData
+      };
+    }
+    if (event.type === "aftercopy") {
+      event = _mapClipResultsFromFlash(event, _clipDataFormatMap);
+    }
+    if (event.target && !event.relatedTarget) {
+      event.relatedTarget = _getRelatedTarget(event.target);
+    }
+    return _addMouseData(event);
+  };
+  /**
+ * Get a relatedTarget from the target's `data-clipboard-target` attribute
+ * @private
+ */
+  var _getRelatedTarget = function(targetEl) {
+    var relatedTargetId = targetEl && targetEl.getAttribute && targetEl.getAttribute("data-clipboard-target");
+    return relatedTargetId ? _document.getElementById(relatedTargetId) : null;
+  };
+  /**
+ * Add element and position data to `MouseEvent` instances
+ * @private
+ */
+  var _addMouseData = function(event) {
+    if (event && /^_(?:click|mouse(?:over|out|down|up|move))$/.test(event.type)) {
+      var srcElement = event.target;
+      var fromElement = event.type === "_mouseover" && event.relatedTarget ? event.relatedTarget : undefined;
+      var toElement = event.type === "_mouseout" && event.relatedTarget ? event.relatedTarget : undefined;
+      var pos = _getElementPosition(srcElement);
+      var screenLeft = _window.screenLeft || _window.screenX || 0;
+      var screenTop = _window.screenTop || _window.screenY || 0;
+      var scrollLeft = _document.body.scrollLeft + _document.documentElement.scrollLeft;
+      var scrollTop = _document.body.scrollTop + _document.documentElement.scrollTop;
+      var pageX = pos.left + (typeof event._stageX === "number" ? event._stageX : 0);
+      var pageY = pos.top + (typeof event._stageY === "number" ? event._stageY : 0);
+      var clientX = pageX - scrollLeft;
+      var clientY = pageY - scrollTop;
+      var screenX = screenLeft + clientX;
+      var screenY = screenTop + clientY;
+      var moveX = typeof event.movementX === "number" ? event.movementX : 0;
+      var moveY = typeof event.movementY === "number" ? event.movementY : 0;
+      delete event._stageX;
+      delete event._stageY;
+      _extend(event, {
+        srcElement: srcElement,
+        fromElement: fromElement,
+        toElement: toElement,
+        screenX: screenX,
+        screenY: screenY,
+        pageX: pageX,
+        pageY: pageY,
+        clientX: clientX,
+        clientY: clientY,
+        x: clientX,
+        y: clientY,
+        movementX: moveX,
+        movementY: moveY,
+        offsetX: 0,
+        offsetY: 0,
+        layerX: 0,
+        layerY: 0
+      });
+    }
+    return event;
+  };
+  /**
+ * Determine if an event's registered handlers should be execute synchronously or asynchronously.
+ *
+ * @returns {boolean}
+ * @private
+ */
+  var _shouldPerformAsync = function(event) {
+    var eventType = event && typeof event.type === "string" && event.type || "";
+    return !/^(?:(?:before)?copy|destroy)$/.test(eventType);
+  };
+  /**
+ * Control if a callback should be executed asynchronously or not.
+ *
+ * @returns `undefined`
+ * @private
+ */
+  var _dispatchCallback = function(func, context, args, async) {
+    if (async) {
+      _setTimeout(function() {
+        func.apply(context, args);
+      }, 0);
+    } else {
+      func.apply(context, args);
+    }
+  };
+  /**
+ * Handle the actual dispatching of events to client instances.
+ *
+ * @returns `undefined`
+ * @private
+ */
+  var _dispatchCallbacks = function(event) {
+    if (!(typeof event === "object" && event && event.type)) {
+      return;
+    }
+    var async = _shouldPerformAsync(event);
+    var wildcardTypeHandlers = _handlers["*"] || [];
+    var specificTypeHandlers = _handlers[event.type] || [];
+    var handlers = wildcardTypeHandlers.concat(specificTypeHandlers);
+    if (handlers && handlers.length) {
+      var i, len, func, context, eventCopy, originalContext = this;
+      for (i = 0, len = handlers.length; i < len; i++) {
+        func = handlers[i];
+        context = originalContext;
+        if (typeof func === "string" && typeof _window[func] === "function") {
+          func = _window[func];
+        }
+        if (typeof func === "object" && func && typeof func.handleEvent === "function") {
+          context = func;
+          func = func.handleEvent;
+        }
+        if (typeof func === "function") {
+          eventCopy = _extend({}, event);
+          _dispatchCallback(func, context, [ eventCopy ], async);
+        }
+      }
+    }
+    return this;
+  };
+  /**
+ * Check an `error` event's `name` property to see if Flash has
+ * already loaded, which rules out possible `iframe` sandboxing.
+ * @private
+ */
+  var _getSandboxStatusFromErrorEvent = function(event) {
+    var isSandboxed = null;
+    if (_pageIsFramed === false || event && event.type === "error" && event.name && _errorsThatOnlyOccurAfterFlashLoads.indexOf(event.name) !== -1) {
+      isSandboxed = false;
+    }
+    return isSandboxed;
+  };
+  /**
+ * Preprocess any special behaviors, reactions, or state changes after receiving this event.
+ * Executes only once per event emitted, NOT once per client.
+ * @private
+ */
+  var _preprocessEvent = function(event) {
+    var element = event.target || _currentElement || null;
+    var sourceIsSwf = event._source === "swf";
+    delete event._source;
+    switch (event.type) {
+     case "error":
+      var isSandboxed = event.name === "flash-sandboxed" || _getSandboxStatusFromErrorEvent(event);
+      if (typeof isSandboxed === "boolean") {
+        _flashState.sandboxed = isSandboxed;
+      }
+      if (_flashStateErrorNames.indexOf(event.name) !== -1) {
+        _extend(_flashState, {
+          disabled: event.name === "flash-disabled",
+          outdated: event.name === "flash-outdated",
+          unavailable: event.name === "flash-unavailable",
+          degraded: event.name === "flash-degraded",
+          deactivated: event.name === "flash-deactivated",
+          overdue: event.name === "flash-overdue",
+          ready: false
+        });
+      } else if (event.name === "version-mismatch") {
+        _zcSwfVersion = event.swfVersion;
+        _extend(_flashState, {
+          disabled: false,
+          outdated: false,
+          unavailable: false,
+          degraded: false,
+          deactivated: false,
+          overdue: false,
+          ready: false
+        });
+      }
+      _clearTimeoutsAndPolling();
+      break;
+
+     case "ready":
+      _zcSwfVersion = event.swfVersion;
+      var wasDeactivated = _flashState.deactivated === true;
+      _extend(_flashState, {
+        disabled: false,
+        outdated: false,
+        sandboxed: false,
+        unavailable: false,
+        degraded: false,
+        deactivated: false,
+        overdue: wasDeactivated,
+        ready: !wasDeactivated
+      });
+      _clearTimeoutsAndPolling();
+      break;
+
+     case "beforecopy":
+      _copyTarget = element;
+      break;
+
+     case "copy":
+      var textContent, htmlContent, targetEl = event.relatedTarget;
+      if (!(_clipData["text/html"] || _clipData["text/plain"]) && targetEl && (htmlContent = targetEl.value || targetEl.outerHTML || targetEl.innerHTML) && (textContent = targetEl.value || targetEl.textContent || targetEl.innerText)) {
+        event.clipboardData.clearData();
+        event.clipboardData.setData("text/plain", textContent);
+        if (htmlContent !== textContent) {
+          event.clipboardData.setData("text/html", htmlContent);
+        }
+      } else if (!_clipData["text/plain"] && event.target && (textContent = event.target.getAttribute("data-clipboard-text"))) {
+        event.clipboardData.clearData();
+        event.clipboardData.setData("text/plain", textContent);
+      }
+      break;
+
+     case "aftercopy":
+      _queueEmitClipboardErrors(event);
+      ZeroClipboard.clearData();
+      if (element && element !== _safeActiveElement() && element.focus) {
+        element.focus();
+      }
+      break;
+
+     case "_mouseover":
+      ZeroClipboard.focus(element);
+      if (_globalConfig.bubbleEvents === true && sourceIsSwf) {
+        if (element && element !== event.relatedTarget && !_containedBy(event.relatedTarget, element)) {
+          _fireMouseEvent(_extend({}, event, {
+            type: "mouseenter",
+            bubbles: false,
+            cancelable: false
+          }));
+        }
+        _fireMouseEvent(_extend({}, event, {
+          type: "mouseover"
+        }));
+      }
+      break;
+
+     case "_mouseout":
+      ZeroClipboard.blur();
+      if (_globalConfig.bubbleEvents === true && sourceIsSwf) {
+        if (element && element !== event.relatedTarget && !_containedBy(event.relatedTarget, element)) {
+          _fireMouseEvent(_extend({}, event, {
+            type: "mouseleave",
+            bubbles: false,
+            cancelable: false
+          }));
+        }
+        _fireMouseEvent(_extend({}, event, {
+          type: "mouseout"
+        }));
+      }
+      break;
+
+     case "_mousedown":
+      _addClass(element, _globalConfig.activeClass);
+      if (_globalConfig.bubbleEvents === true && sourceIsSwf) {
+        _fireMouseEvent(_extend({}, event, {
+          type: event.type.slice(1)
+        }));
+      }
+      break;
+
+     case "_mouseup":
+      _removeClass(element, _globalConfig.activeClass);
+      if (_globalConfig.bubbleEvents === true && sourceIsSwf) {
+        _fireMouseEvent(_extend({}, event, {
+          type: event.type.slice(1)
+        }));
+      }
+      break;
+
+     case "_click":
+      _copyTarget = null;
+      if (_globalConfig.bubbleEvents === true && sourceIsSwf) {
+        _fireMouseEvent(_extend({}, event, {
+          type: event.type.slice(1)
+        }));
+      }
+      break;
+
+     case "_mousemove":
+      if (_globalConfig.bubbleEvents === true && sourceIsSwf) {
+        _fireMouseEvent(_extend({}, event, {
+          type: event.type.slice(1)
+        }));
+      }
+      break;
+    }
+    if (/^_(?:click|mouse(?:over|out|down|up|move))$/.test(event.type)) {
+      return true;
+    }
+  };
+  /**
+ * Check an "aftercopy" event for clipboard errors and emit a corresponding "error" event.
+ * @private
+ */
+  var _queueEmitClipboardErrors = function(aftercopyEvent) {
+    if (aftercopyEvent.errors && aftercopyEvent.errors.length > 0) {
+      var errorEvent = _deepCopy(aftercopyEvent);
+      _extend(errorEvent, {
+        type: "error",
+        name: "clipboard-error"
+      });
+      delete errorEvent.success;
+      _setTimeout(function() {
+        ZeroClipboard.emit(errorEvent);
+      }, 0);
+    }
+  };
+  /**
+ * Dispatch a synthetic MouseEvent.
+ *
+ * @returns `undefined`
+ * @private
+ */
+  var _fireMouseEvent = function(event) {
+    if (!(event && typeof event.type === "string" && event)) {
+      return;
+    }
+    var e, target = event.target || null, doc = target && target.ownerDocument || _document, defaults = {
+      view: doc.defaultView || _window,
+      canBubble: true,
+      cancelable: true,
+      detail: event.type === "click" ? 1 : 0,
+      button: typeof event.which === "number" ? event.which - 1 : typeof event.button === "number" ? event.button : doc.createEvent ? 0 : 1
+    }, args = _extend(defaults, event);
+    if (!target) {
+      return;
+    }
+    if (doc.createEvent && target.dispatchEvent) {
+      args = [ args.type, args.canBubble, args.cancelable, args.view, args.detail, args.screenX, args.screenY, args.clientX, args.clientY, args.ctrlKey, args.altKey, args.shiftKey, args.metaKey, args.button, args.relatedTarget ];
+      e = doc.createEvent("MouseEvents");
+      if (e.initMouseEvent) {
+        e.initMouseEvent.apply(e, args);
+        e._source = "js";
+        target.dispatchEvent(e);
+      }
+    }
+  };
+  /**
+ * Continuously poll the DOM until either:
+ *  (a) the fallback content becomes visible, or
+ *  (b) we receive an event from SWF (handled elsewhere)
+ *
+ * IMPORTANT:
+ * This is NOT a necessary check but it can result in significantly faster
+ * detection of bad `swfPath` configuration and/or network/server issues [in
+ * supported browsers] than waiting for the entire `flashLoadTimeout` duration
+ * to elapse before detecting that the SWF cannot be loaded. The detection
+ * duration can be anywhere from 10-30 times faster [in supported browsers] by
+ * using this approach.
+ *
+ * @returns `undefined`
+ * @private
+ */
+  var _watchForSwfFallbackContent = function() {
+    var maxWait = _globalConfig.flashLoadTimeout;
+    if (typeof maxWait === "number" && maxWait >= 0) {
+      var pollWait = Math.min(1e3, maxWait / 10);
+      var fallbackContentId = _globalConfig.swfObjectId + "_fallbackContent";
+      _swfFallbackCheckInterval = _setInterval(function() {
+        var el = _document.getElementById(fallbackContentId);
+        if (_isElementVisible(el)) {
+          _clearTimeoutsAndPolling();
+          _flashState.deactivated = null;
+          ZeroClipboard.emit({
+            type: "error",
+            name: "swf-not-found"
+          });
+        }
+      }, pollWait);
+    }
+  };
+  /**
+ * Create the HTML bridge element to embed the Flash object into.
+ * @private
+ */
+  var _createHtmlBridge = function() {
+    var container = _document.createElement("div");
+    container.id = _globalConfig.containerId;
+    container.className = _globalConfig.containerClass;
+    container.style.position = "absolute";
+    container.style.left = "0px";
+    container.style.top = "-9999px";
+    container.style.width = "1px";
+    container.style.height = "1px";
+    container.style.zIndex = "" + _getSafeZIndex(_globalConfig.zIndex);
+    return container;
+  };
+  /**
+ * Get the HTML element container that wraps the Flash bridge object/element.
+ * @private
+ */
+  var _getHtmlBridge = function(flashBridge) {
+    var htmlBridge = flashBridge && flashBridge.parentNode;
+    while (htmlBridge && htmlBridge.nodeName === "OBJECT" && htmlBridge.parentNode) {
+      htmlBridge = htmlBridge.parentNode;
+    }
+    return htmlBridge || null;
+  };
+  /**
+ * Create the SWF object.
+ *
+ * @returns The SWF object reference.
+ * @private
+ */
+  var _embedSwf = function() {
+    var len, flashBridge = _flashState.bridge, container = _getHtmlBridge(flashBridge);
+    if (!flashBridge) {
+      var allowScriptAccess = _determineScriptAccess(_window.location.host, _globalConfig);
+      var allowNetworking = allowScriptAccess === "never" ? "none" : "all";
+      var flashvars = _vars(_extend({
+        jsVersion: ZeroClipboard.version
+      }, _globalConfig));
+      var swfUrl = _globalConfig.swfPath + _cacheBust(_globalConfig.swfPath, _globalConfig);
+      container = _createHtmlBridge();
+      var divToBeReplaced = _document.createElement("div");
+      container.appendChild(divToBeReplaced);
+      _document.body.appendChild(container);
+      var tmpDiv = _document.createElement("div");
+      var usingActiveX = _flashState.pluginType === "activex";
+      tmpDiv.innerHTML = '<object id="' + _globalConfig.swfObjectId + '" name="' + _globalConfig.swfObjectId + '" ' + 'width="100%" height="100%" ' + (usingActiveX ? 'classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000"' : 'type="application/x-shockwave-flash" data="' + swfUrl + '"') + ">" + (usingActiveX ? '<param name="movie" value="' + swfUrl + '"/>' : "") + '<param name="allowScriptAccess" value="' + allowScriptAccess + '"/>' + '<param name="allowNetworking" value="' + allowNetworking + '"/>' + '<param name="menu" value="false"/>' + '<param name="wmode" value="transparent"/>' + '<param name="flashvars" value="' + flashvars + '"/>' + '<div id="' + _globalConfig.swfObjectId + '_fallbackContent">&nbsp;</div>' + "</object>";
+      flashBridge = tmpDiv.firstChild;
+      tmpDiv = null;
+      _unwrap(flashBridge).ZeroClipboard = ZeroClipboard;
+      container.replaceChild(flashBridge, divToBeReplaced);
+      _watchForSwfFallbackContent();
+    }
+    if (!flashBridge) {
+      flashBridge = _document[_globalConfig.swfObjectId];
+      if (flashBridge && (len = flashBridge.length)) {
+        flashBridge = flashBridge[len - 1];
+      }
+      if (!flashBridge && container) {
+        flashBridge = container.firstChild;
+      }
+    }
+    _flashState.bridge = flashBridge || null;
+    return flashBridge;
+  };
+  /**
+ * Destroy the SWF object.
+ * @private
+ */
+  var _unembedSwf = function() {
+    var flashBridge = _flashState.bridge;
+    if (flashBridge) {
+      var htmlBridge = _getHtmlBridge(flashBridge);
+      if (htmlBridge) {
+        if (_flashState.pluginType === "activex" && "readyState" in flashBridge) {
+          flashBridge.style.display = "none";
+          (function removeSwfFromIE() {
+            if (flashBridge.readyState === 4) {
+              for (var prop in flashBridge) {
+                if (typeof flashBridge[prop] === "function") {
+                  flashBridge[prop] = null;
+                }
+              }
+              if (flashBridge.parentNode) {
+                flashBridge.parentNode.removeChild(flashBridge);
+              }
+              if (htmlBridge.parentNode) {
+                htmlBridge.parentNode.removeChild(htmlBridge);
+              }
+            } else {
+              _setTimeout(removeSwfFromIE, 10);
+            }
+          })();
+        } else {
+          if (flashBridge.parentNode) {
+            flashBridge.parentNode.removeChild(flashBridge);
+          }
+          if (htmlBridge.parentNode) {
+            htmlBridge.parentNode.removeChild(htmlBridge);
+          }
+        }
+      }
+      _clearTimeoutsAndPolling();
+      _flashState.ready = null;
+      _flashState.bridge = null;
+      _flashState.deactivated = null;
+      _zcSwfVersion = undefined;
+    }
+  };
+  /**
+ * Map the data format names of the "clipData" to Flash-friendly names.
+ *
+ * @returns A new transformed object.
+ * @private
+ */
+  var _mapClipDataToFlash = function(clipData) {
+    var newClipData = {}, formatMap = {};
+    if (!(typeof clipData === "object" && clipData)) {
+      return;
+    }
+    for (var dataFormat in clipData) {
+      if (dataFormat && _hasOwn.call(clipData, dataFormat) && typeof clipData[dataFormat] === "string" && clipData[dataFormat]) {
+        switch (dataFormat.toLowerCase()) {
+         case "text/plain":
+         case "text":
+         case "air:text":
+         case "flash:text":
+          newClipData.text = clipData[dataFormat];
+          formatMap.text = dataFormat;
+          break;
+
+         case "text/html":
+         case "html":
+         case "air:html":
+         case "flash:html":
+          newClipData.html = clipData[dataFormat];
+          formatMap.html = dataFormat;
+          break;
+
+         case "application/rtf":
+         case "text/rtf":
+         case "rtf":
+         case "richtext":
+         case "air:rtf":
+         case "flash:rtf":
+          newClipData.rtf = clipData[dataFormat];
+          formatMap.rtf = dataFormat;
+          break;
+
+         default:
+          break;
+        }
+      }
+    }
+    return {
+      data: newClipData,
+      formatMap: formatMap
+    };
+  };
+  /**
+ * Map the data format names from Flash-friendly names back to their original "clipData" names (via a format mapping).
+ *
+ * @returns A new transformed object.
+ * @private
+ */
+  var _mapClipResultsFromFlash = function(clipResults, formatMap) {
+    if (!(typeof clipResults === "object" && clipResults && typeof formatMap === "object" && formatMap)) {
+      return clipResults;
+    }
+    var newResults = {};
+    for (var prop in clipResults) {
+      if (_hasOwn.call(clipResults, prop)) {
+        if (prop === "errors") {
+          newResults[prop] = clipResults[prop] ? clipResults[prop].slice() : [];
+          for (var i = 0, len = newResults[prop].length; i < len; i++) {
+            newResults[prop][i].format = formatMap[newResults[prop][i].format];
+          }
+        } else if (prop !== "success" && prop !== "data") {
+          newResults[prop] = clipResults[prop];
+        } else {
+          newResults[prop] = {};
+          var tmpHash = clipResults[prop];
+          for (var dataFormat in tmpHash) {
+            if (dataFormat && _hasOwn.call(tmpHash, dataFormat) && _hasOwn.call(formatMap, dataFormat)) {
+              newResults[prop][formatMap[dataFormat]] = tmpHash[dataFormat];
+            }
+          }
+        }
+      }
+    }
+    return newResults;
+  };
+  /**
+ * Will look at a path, and will create a "?noCache={time}" or "&noCache={time}"
+ * query param string to return. Does NOT append that string to the original path.
+ * This is useful because ExternalInterface often breaks when a Flash SWF is cached.
+ *
+ * @returns The `noCache` query param with necessary "?"/"&" prefix.
+ * @private
+ */
+  var _cacheBust = function(path, options) {
+    var cacheBust = options == null || options && options.cacheBust === true;
+    if (cacheBust) {
+      return (path.indexOf("?") === -1 ? "?" : "&") + "noCache=" + _now();
+    } else {
+      return "";
+    }
+  };
+  /**
+ * Creates a query string for the FlashVars param.
+ * Does NOT include the cache-busting query param.
+ *
+ * @returns FlashVars query string
+ * @private
+ */
+  var _vars = function(options) {
+    var i, len, domain, domains, str = "", trustedOriginsExpanded = [];
+    if (options.trustedDomains) {
+      if (typeof options.trustedDomains === "string") {
+        domains = [ options.trustedDomains ];
+      } else if (typeof options.trustedDomains === "object" && "length" in options.trustedDomains) {
+        domains = options.trustedDomains;
+      }
+    }
+    if (domains && domains.length) {
+      for (i = 0, len = domains.length; i < len; i++) {
+        if (_hasOwn.call(domains, i) && domains[i] && typeof domains[i] === "string") {
+          domain = _extractDomain(domains[i]);
+          if (!domain) {
+            continue;
+          }
+          if (domain === "*") {
+            trustedOriginsExpanded.length = 0;
+            trustedOriginsExpanded.push(domain);
+            break;
+          }
+          trustedOriginsExpanded.push.apply(trustedOriginsExpanded, [ domain, "//" + domain, _window.location.protocol + "//" + domain ]);
+        }
+      }
+    }
+    if (trustedOriginsExpanded.length) {
+      str += "trustedOrigins=" + _encodeURIComponent(trustedOriginsExpanded.join(","));
+    }
+    if (options.forceEnhancedClipboard === true) {
+      str += (str ? "&" : "") + "forceEnhancedClipboard=true";
+    }
+    if (typeof options.swfObjectId === "string" && options.swfObjectId) {
+      str += (str ? "&" : "") + "swfObjectId=" + _encodeURIComponent(options.swfObjectId);
+    }
+    if (typeof options.jsVersion === "string" && options.jsVersion) {
+      str += (str ? "&" : "") + "jsVersion=" + _encodeURIComponent(options.jsVersion);
+    }
+    return str;
+  };
+  /**
+ * Extract the domain (e.g. "github.com") from an origin (e.g. "https://github.com") or
+ * URL (e.g. "https://github.com/zeroclipboard/zeroclipboard/").
+ *
+ * @returns the domain
+ * @private
+ */
+  var _extractDomain = function(originOrUrl) {
+    if (originOrUrl == null || originOrUrl === "") {
+      return null;
+    }
+    originOrUrl = originOrUrl.replace(/^\s+|\s+$/g, "");
+    if (originOrUrl === "") {
+      return null;
+    }
+    var protocolIndex = originOrUrl.indexOf("//");
+    originOrUrl = protocolIndex === -1 ? originOrUrl : originOrUrl.slice(protocolIndex + 2);
+    var pathIndex = originOrUrl.indexOf("/");
+    originOrUrl = pathIndex === -1 ? originOrUrl : protocolIndex === -1 || pathIndex === 0 ? null : originOrUrl.slice(0, pathIndex);
+    if (originOrUrl && originOrUrl.slice(-4).toLowerCase() === ".swf") {
+      return null;
+    }
+    return originOrUrl || null;
+  };
+  /**
+ * Set `allowScriptAccess` based on `trustedDomains` and `window.location.host` vs. `swfPath`.
+ *
+ * @returns The appropriate script access level.
+ * @private
+ */
+  var _determineScriptAccess = function() {
+    var _extractAllDomains = function(origins) {
+      var i, len, tmp, resultsArray = [];
+      if (typeof origins === "string") {
+        origins = [ origins ];
+      }
+      if (!(typeof origins === "object" && origins && typeof origins.length === "number")) {
+        return resultsArray;
+      }
+      for (i = 0, len = origins.length; i < len; i++) {
+        if (_hasOwn.call(origins, i) && (tmp = _extractDomain(origins[i]))) {
+          if (tmp === "*") {
+            resultsArray.length = 0;
+            resultsArray.push("*");
+            break;
+          }
+          if (resultsArray.indexOf(tmp) === -1) {
+            resultsArray.push(tmp);
+          }
+        }
+      }
+      return resultsArray;
+    };
+    return function(currentDomain, configOptions) {
+      var swfDomain = _extractDomain(configOptions.swfPath);
+      if (swfDomain === null) {
+        swfDomain = currentDomain;
+      }
+      var trustedDomains = _extractAllDomains(configOptions.trustedDomains);
+      var len = trustedDomains.length;
+      if (len > 0) {
+        if (len === 1 && trustedDomains[0] === "*") {
+          return "always";
+        }
+        if (trustedDomains.indexOf(currentDomain) !== -1) {
+          if (len === 1 && currentDomain === swfDomain) {
+            return "sameDomain";
+          }
+          return "always";
+        }
+      }
+      return "never";
+    };
+  }();
+  /**
+ * Get the currently active/focused DOM element.
+ *
+ * @returns the currently active/focused element, or `null`
+ * @private
+ */
+  var _safeActiveElement = function() {
+    try {
+      return _document.activeElement;
+    } catch (err) {
+      return null;
+    }
+  };
+  /**
+ * Add a class to an element, if it doesn't already have it.
+ *
+ * @returns The element, with its new class added.
+ * @private
+ */
+  var _addClass = function(element, value) {
+    var c, cl, className, classNames = [];
+    if (typeof value === "string" && value) {
+      classNames = value.split(/\s+/);
+    }
+    if (element && element.nodeType === 1 && classNames.length > 0) {
+      className = (" " + (element.className || "") + " ").replace(/[\t\r\n\f]/g, " ");
+      for (c = 0, cl = classNames.length; c < cl; c++) {
+        if (className.indexOf(" " + classNames[c] + " ") === -1) {
+          className += classNames[c] + " ";
+        }
+      }
+      className = className.replace(/^\s+|\s+$/g, "");
+      if (className !== element.className) {
+        element.className = className;
+      }
+    }
+    return element;
+  };
+  /**
+ * Remove a class from an element, if it has it.
+ *
+ * @returns The element, with its class removed.
+ * @private
+ */
+  var _removeClass = function(element, value) {
+    var c, cl, className, classNames = [];
+    if (typeof value === "string" && value) {
+      classNames = value.split(/\s+/);
+    }
+    if (element && element.nodeType === 1 && classNames.length > 0) {
+      if (element.className) {
+        className = (" " + element.className + " ").replace(/[\t\r\n\f]/g, " ");
+        for (c = 0, cl = classNames.length; c < cl; c++) {
+          className = className.replace(" " + classNames[c] + " ", " ");
+        }
+        className = className.replace(/^\s+|\s+$/g, "");
+        if (className !== element.className) {
+          element.className = className;
+        }
+      }
+    }
+    return element;
+  };
+  /**
+ * Attempt to interpret the element's CSS styling. If `prop` is `"cursor"`,
+ * then we assume that it should be a hand ("pointer") cursor if the element
+ * is an anchor element ("a" tag).
+ *
+ * @returns The computed style property.
+ * @private
+ */
+  var _getStyle = function(el, prop) {
+    var value = _getComputedStyle(el, null).getPropertyValue(prop);
+    if (prop === "cursor") {
+      if (!value || value === "auto") {
+        if (el.nodeName === "A") {
+          return "pointer";
+        }
+      }
+    }
+    return value;
+  };
+  /**
+ * Get the absolutely positioned coordinates of a DOM element.
+ *
+ * @returns Object containing the element's position, width, and height.
+ * @private
+ */
+  var _getElementPosition = function(el) {
+    var pos = {
+      left: 0,
+      top: 0,
+      width: 0,
+      height: 0
+    };
+    if (el.getBoundingClientRect) {
+      var elRect = el.getBoundingClientRect();
+      var pageXOffset = _window.pageXOffset;
+      var pageYOffset = _window.pageYOffset;
+      var leftBorderWidth = _document.documentElement.clientLeft || 0;
+      var topBorderWidth = _document.documentElement.clientTop || 0;
+      var leftBodyOffset = 0;
+      var topBodyOffset = 0;
+      if (_getStyle(_document.body, "position") === "relative") {
+        var bodyRect = _document.body.getBoundingClientRect();
+        var htmlRect = _document.documentElement.getBoundingClientRect();
+        leftBodyOffset = bodyRect.left - htmlRect.left || 0;
+        topBodyOffset = bodyRect.top - htmlRect.top || 0;
+      }
+      pos.left = elRect.left + pageXOffset - leftBorderWidth - leftBodyOffset;
+      pos.top = elRect.top + pageYOffset - topBorderWidth - topBodyOffset;
+      pos.width = "width" in elRect ? elRect.width : elRect.right - elRect.left;
+      pos.height = "height" in elRect ? elRect.height : elRect.bottom - elRect.top;
+    }
+    return pos;
+  };
+  /**
+ * Determine is an element is visible somewhere within the document (page).
+ *
+ * @returns Boolean
+ * @private
+ */
+  var _isElementVisible = function(el) {
+    if (!el) {
+      return false;
+    }
+    var styles = _getComputedStyle(el, null);
+    if (!styles) {
+      return false;
+    }
+    var hasCssHeight = _parseFloat(styles.height) > 0;
+    var hasCssWidth = _parseFloat(styles.width) > 0;
+    var hasCssTop = _parseFloat(styles.top) >= 0;
+    var hasCssLeft = _parseFloat(styles.left) >= 0;
+    var cssKnows = hasCssHeight && hasCssWidth && hasCssTop && hasCssLeft;
+    var rect = cssKnows ? null : _getElementPosition(el);
+    var isVisible = styles.display !== "none" && styles.visibility !== "collapse" && (cssKnows || !!rect && (hasCssHeight || rect.height > 0) && (hasCssWidth || rect.width > 0) && (hasCssTop || rect.top >= 0) && (hasCssLeft || rect.left >= 0));
+    return isVisible;
+  };
+  /**
+ * Clear all existing timeouts and interval polling delegates.
+ *
+ * @returns `undefined`
+ * @private
+ */
+  var _clearTimeoutsAndPolling = function() {
+    _clearTimeout(_flashCheckTimeout);
+    _flashCheckTimeout = 0;
+    _clearInterval(_swfFallbackCheckInterval);
+    _swfFallbackCheckInterval = 0;
+  };
+  /**
+ * Reposition the Flash object to cover the currently activated element.
+ *
+ * @returns `undefined`
+ * @private
+ */
+  var _reposition = function() {
+    var htmlBridge;
+    if (_currentElement && (htmlBridge = _getHtmlBridge(_flashState.bridge))) {
+      var pos = _getElementPosition(_currentElement);
+      _extend(htmlBridge.style, {
+        width: pos.width + "px",
+        height: pos.height + "px",
+        top: pos.top + "px",
+        left: pos.left + "px",
+        zIndex: "" + _getSafeZIndex(_globalConfig.zIndex)
+      });
+    }
+  };
+  /**
+ * Sends a signal to the Flash object to display the hand cursor if `true`.
+ *
+ * @returns `undefined`
+ * @private
+ */
+  var _setHandCursor = function(enabled) {
+    if (_flashState.ready === true) {
+      if (_flashState.bridge && typeof _flashState.bridge.setHandCursor === "function") {
+        _flashState.bridge.setHandCursor(enabled);
+      } else {
+        _flashState.ready = false;
+      }
+    }
+  };
+  /**
+ * Get a safe value for `zIndex`
+ *
+ * @returns an integer, or "auto"
+ * @private
+ */
+  var _getSafeZIndex = function(val) {
+    if (/^(?:auto|inherit)$/.test(val)) {
+      return val;
+    }
+    var zIndex;
+    if (typeof val === "number" && !_isNaN(val)) {
+      zIndex = val;
+    } else if (typeof val === "string") {
+      zIndex = _getSafeZIndex(_parseInt(val, 10));
+    }
+    return typeof zIndex === "number" ? zIndex : "auto";
+  };
+  /**
+ * Ensure OS-compliant line endings, i.e. "\r\n" on Windows, "\n" elsewhere
+ *
+ * @returns string
+ * @private
+ */
+  var _fixLineEndings = function(content) {
+    var replaceRegex = /(\r\n|\r|\n)/g;
+    if (typeof content === "string" && _globalConfig.fixLineEndings === true) {
+      if (_isWindows()) {
+        if (/((^|[^\r])\n|\r([^\n]|$))/.test(content)) {
+          content = content.replace(replaceRegex, "\r\n");
+        }
+      } else if (/\r/.test(content)) {
+        content = content.replace(replaceRegex, "\n");
+      }
+    }
+    return content;
+  };
+  /**
+ * Attempt to detect if ZeroClipboard is executing inside of a sandboxed iframe.
+ * If it is, Flash Player cannot be used, so ZeroClipboard is dead in the water.
+ *
+ * @see {@link http://lists.w3.org/Archives/Public/public-whatwg-archive/2014Dec/0002.html}
+ * @see {@link https://github.com/zeroclipboard/zeroclipboard/issues/511}
+ * @see {@link http://zeroclipboard.org/test-iframes.html}
+ *
+ * @returns `true` (is sandboxed), `false` (is not sandboxed), or `null` (uncertain)
+ * @private
+ */
+  var _detectSandbox = function(doNotReassessFlashSupport) {
+    var effectiveScriptOrigin, frame, frameError, previousState = _flashState.sandboxed, isSandboxed = null;
+    doNotReassessFlashSupport = doNotReassessFlashSupport === true;
+    if (_pageIsFramed === false) {
+      isSandboxed = false;
+    } else {
+      try {
+        frame = window.frameElement || null;
+      } catch (e) {
+        frameError = {
+          name: e.name,
+          message: e.message
+        };
+      }
+      if (frame && frame.nodeType === 1 && frame.nodeName === "IFRAME") {
+        try {
+          isSandboxed = frame.hasAttribute("sandbox");
+        } catch (e) {
+          isSandboxed = null;
+        }
+      } else {
+        try {
+          effectiveScriptOrigin = document.domain || null;
+        } catch (e) {
+          effectiveScriptOrigin = null;
+        }
+        if (effectiveScriptOrigin === null || frameError && frameError.name === "SecurityError" && /(^|[\s\(\[@])sandbox(es|ed|ing|[\s\.,!\)\]@]|$)/.test(frameError.message.toLowerCase())) {
+          isSandboxed = true;
+        }
+      }
+    }
+    _flashState.sandboxed = isSandboxed;
+    if (previousState !== isSandboxed && !doNotReassessFlashSupport) {
+      _detectFlashSupport(_ActiveXObject);
+    }
+    return isSandboxed;
+  };
+  /**
+ * Detect the Flash Player status, version, and plugin type.
+ *
+ * @see {@link https://code.google.com/p/doctype-mirror/wiki/ArticleDetectFlash#The_code}
+ * @see {@link http://stackoverflow.com/questions/12866060/detecting-pepper-ppapi-flash-with-javascript}
+ *
+ * @returns `undefined`
+ * @private
+ */
+  var _detectFlashSupport = function(ActiveXObject) {
+    var plugin, ax, mimeType, hasFlash = false, isActiveX = false, isPPAPI = false, flashVersion = "";
+    /**
+   * Derived from Apple's suggested sniffer.
+   * @param {String} desc e.g. "Shockwave Flash 7.0 r61"
+   * @returns {String} "7.0.61"
+   * @private
+   */
+    function parseFlashVersion(desc) {
+      var matches = desc.match(/[\d]+/g);
+      matches.length = 3;
+      return matches.join(".");
+    }
+    function isPepperFlash(flashPlayerFileName) {
+      return !!flashPlayerFileName && (flashPlayerFileName = flashPlayerFileName.toLowerCase()) && (/^(pepflashplayer\.dll|libpepflashplayer\.so|pepperflashplayer\.plugin)$/.test(flashPlayerFileName) || flashPlayerFileName.slice(-13) === "chrome.plugin");
+    }
+    function inspectPlugin(plugin) {
+      if (plugin) {
+        hasFlash = true;
+        if (plugin.version) {
+          flashVersion = parseFlashVersion(plugin.version);
+        }
+        if (!flashVersion && plugin.description) {
+          flashVersion = parseFlashVersion(plugin.description);
+        }
+        if (plugin.filename) {
+          isPPAPI = isPepperFlash(plugin.filename);
+        }
+      }
+    }
+    if (_navigator.plugins && _navigator.plugins.length) {
+      plugin = _navigator.plugins["Shockwave Flash"];
+      inspectPlugin(plugin);
+      if (_navigator.plugins["Shockwave Flash 2.0"]) {
+        hasFlash = true;
+        flashVersion = "2.0.0.11";
+      }
+    } else if (_navigator.mimeTypes && _navigator.mimeTypes.length) {
+      mimeType = _navigator.mimeTypes["application/x-shockwave-flash"];
+      plugin = mimeType && mimeType.enabledPlugin;
+      inspectPlugin(plugin);
+    } else if (typeof ActiveXObject !== "undefined") {
+      isActiveX = true;
+      try {
+        ax = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7");
+        hasFlash = true;
+        flashVersion = parseFlashVersion(ax.GetVariable("$version"));
+      } catch (e1) {
+        try {
+          ax = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.6");
+          hasFlash = true;
+          flashVersion = "6.0.21";
+        } catch (e2) {
+          try {
+            ax = new ActiveXObject("ShockwaveFlash.ShockwaveFlash");
+            hasFlash = true;
+            flashVersion = parseFlashVersion(ax.GetVariable("$version"));
+          } catch (e3) {
+            isActiveX = false;
+          }
+        }
+      }
+    }
+    _flashState.disabled = hasFlash !== true;
+    _flashState.outdated = flashVersion && _parseFloat(flashVersion) < _parseFloat(_minimumFlashVersion);
+    _flashState.version = flashVersion || "0.0.0";
+    _flashState.pluginType = isPPAPI ? "pepper" : isActiveX ? "activex" : hasFlash ? "netscape" : "unknown";
+  };
+  /**
+ * Invoke the Flash detection algorithms immediately upon inclusion so we're not waiting later.
+ */
+  _detectFlashSupport(_ActiveXObject);
+  /**
+ * Always assess the `sandboxed` state of the page at important Flash-related moments.
+ */
+  _detectSandbox(true);
+  /**
+ * A shell constructor for `ZeroClipboard` client instances.
+ *
+ * @constructor
+ */
+  var ZeroClipboard = function() {
+    if (!(this instanceof ZeroClipboard)) {
+      return new ZeroClipboard();
+    }
+    if (typeof ZeroClipboard._createClient === "function") {
+      ZeroClipboard._createClient.apply(this, _args(arguments));
+    }
+  };
+  /**
+ * The ZeroClipboard library's version number.
+ *
+ * @static
+ * @readonly
+ * @property {string}
+ */
+  _defineProperty(ZeroClipboard, "version", {
+    value: "2.3.0-beta.1",
+    writable: false,
+    configurable: true,
+    enumerable: true
+  });
+  /**
+ * Update or get a copy of the ZeroClipboard global configuration.
+ * Returns a copy of the current/updated configuration.
+ *
+ * @returns Object
+ * @static
+ */
+  ZeroClipboard.config = function() {
+    return _config.apply(this, _args(arguments));
+  };
+  /**
+ * Diagnostic method that describes the state of the browser, Flash Player, and ZeroClipboard.
+ *
+ * @returns Object
+ * @static
+ */
+  ZeroClipboard.state = function() {
+    return _state.apply(this, _args(arguments));
+  };
+  /**
+ * Check if Flash is unusable for any reason: disabled, outdated, deactivated, etc.
+ *
+ * @returns Boolean
+ * @static
+ */
+  ZeroClipboard.isFlashUnusable = function() {
+    return _isFlashUnusable.apply(this, _args(arguments));
+  };
+  /**
+ * Register an event listener.
+ *
+ * @returns `ZeroClipboard`
+ * @static
+ */
+  ZeroClipboard.on = function() {
+    return _on.apply(this, _args(arguments));
+  };
+  /**
+ * Unregister an event listener.
+ * If no `listener` function/object is provided, it will unregister all listeners for the provided `eventType`.
+ * If no `eventType` is provided, it will unregister all listeners for every event type.
+ *
+ * @returns `ZeroClipboard`
+ * @static
+ */
+  ZeroClipboard.off = function() {
+    return _off.apply(this, _args(arguments));
+  };
+  /**
+ * Retrieve event listeners for an `eventType`.
+ * If no `eventType` is provided, it will retrieve all listeners for every event type.
+ *
+ * @returns array of listeners for the `eventType`; if no `eventType`, then a map/hash object of listeners for all event types; or `null`
+ */
+  ZeroClipboard.handlers = function() {
+    return _listeners.apply(this, _args(arguments));
+  };
+  /**
+ * Event emission receiver from the Flash object, forwarding to any registered JavaScript event listeners.
+ *
+ * @returns For the "copy" event, returns the Flash-friendly "clipData" object; otherwise `undefined`.
+ * @static
+ */
+  ZeroClipboard.emit = function() {
+    return _emit.apply(this, _args(arguments));
+  };
+  /**
+ * Create and embed the Flash object.
+ *
+ * @returns The Flash object
+ * @static
+ */
+  ZeroClipboard.create = function() {
+    return _create.apply(this, _args(arguments));
+  };
+  /**
+ * Self-destruct and clean up everything, including the embedded Flash object.
+ *
+ * @returns `undefined`
+ * @static
+ */
+  ZeroClipboard.destroy = function() {
+    return _destroy.apply(this, _args(arguments));
+  };
+  /**
+ * Set the pending data for clipboard injection.
+ *
+ * @returns `undefined`
+ * @static
+ */
+  ZeroClipboard.setData = function() {
+    return _setData.apply(this, _args(arguments));
+  };
+  /**
+ * Clear the pending data for clipboard injection.
+ * If no `format` is provided, all pending data formats will be cleared.
+ *
+ * @returns `undefined`
+ * @static
+ */
+  ZeroClipboard.clearData = function() {
+    return _clearData.apply(this, _args(arguments));
+  };
+  /**
+ * Get a copy of the pending data for clipboard injection.
+ * If no `format` is provided, a copy of ALL pending data formats will be returned.
+ *
+ * @returns `String` or `Object`
+ * @static
+ */
+  ZeroClipboard.getData = function() {
+    return _getData.apply(this, _args(arguments));
+  };
+  /**
+ * Sets the current HTML object that the Flash object should overlay. This will put the global
+ * Flash object on top of the current element; depending on the setup, this may also set the
+ * pending clipboard text data as well as the Flash object's wrapping element's title attribute
+ * based on the underlying HTML element and ZeroClipboard configuration.
+ *
+ * @returns `undefined`
+ * @static
+ */
+  ZeroClipboard.focus = ZeroClipboard.activate = function() {
+    return _focus.apply(this, _args(arguments));
+  };
+  /**
+ * Un-overlays the Flash object. This will put the global Flash object off-screen; depending on
+ * the setup, this may also unset the Flash object's wrapping element's title attribute based on
+ * the underlying HTML element and ZeroClipboard configuration.
+ *
+ * @returns `undefined`
+ * @static
+ */
+  ZeroClipboard.blur = ZeroClipboard.deactivate = function() {
+    return _blur.apply(this, _args(arguments));
+  };
+  /**
+ * Returns the currently focused/"activated" HTML element that the Flash object is wrapping.
+ *
+ * @returns `HTMLElement` or `null`
+ * @static
+ */
+  ZeroClipboard.activeElement = function() {
+    return _activeElement.apply(this, _args(arguments));
+  };
+  /**
+ * Keep track of the ZeroClipboard client instance counter.
+ */
+  var _clientIdCounter = 0;
+  /**
+ * Keep track of the state of the client instances.
+ *
+ * Entry structure:
+ *   _clientMeta[client.id] = {
+ *     instance: client,
+ *     elements: [],
+ *     handlers: {}
+ *   };
+ */
+  var _clientMeta = {};
+  /**
+ * Keep track of the ZeroClipboard clipped elements counter.
+ */
+  var _elementIdCounter = 0;
+  /**
+ * Keep track of the state of the clipped element relationships to clients.
+ *
+ * Entry structure:
+ *   _elementMeta[element.zcClippingId] = [client1.id, client2.id];
+ */
+  var _elementMeta = {};
+  /**
+ * Keep track of the state of the mouse event handlers for clipped elements.
+ *
+ * Entry structure:
+ *   _mouseHandlers[element.zcClippingId] = {
+ *     mouseover:  function(event) {},
+ *     mouseout:   function(event) {},
+ *     mouseenter: function(event) {},
+ *     mouseleave: function(event) {},
+ *     mousemove:  function(event) {}
+ *   };
+ */
+  var _mouseHandlers = {};
+  /**
+ * Extending the ZeroClipboard configuration defaults for the Client module.
+ */
+  _extend(_globalConfig, {
+    autoActivate: true
+  });
+  /**
+ * The real constructor for `ZeroClipboard` client instances.
+ * @private
+ */
+  var _clientConstructor = function(elements) {
+    var client = this;
+    client.id = "" + _clientIdCounter++;
+    _clientMeta[client.id] = {
+      instance: client,
+      elements: [],
+      handlers: {}
+    };
+    if (elements) {
+      client.clip(elements);
+    }
+    ZeroClipboard.on("*", function(event) {
+      return client.emit(event);
+    });
+    ZeroClipboard.on("destroy", function() {
+      client.destroy();
+    });
+    ZeroClipboard.create();
+  };
+  /**
+ * The underlying implementation of `ZeroClipboard.Client.prototype.on`.
+ * @private
+ */
+  var _clientOn = function(eventType, listener) {
+    var i, len, events, added = {}, meta = _clientMeta[this.id], handlers = meta && meta.handlers;
+    if (!meta) {
+      throw new Error("Attempted to add new listener(s) to a destroyed ZeroClipboard client instance");
+    }
+    if (typeof eventType === "string" && eventType) {
+      events = eventType.toLowerCase().split(/\s+/);
+    } else if (typeof eventType === "object" && eventType && typeof listener === "undefined") {
+      for (i in eventType) {
+        if (_hasOwn.call(eventType, i) && typeof i === "string" && i && typeof eventType[i] === "function") {
+          this.on(i, eventType[i]);
+        }
+      }
+    }
+    if (events && events.length) {
+      for (i = 0, len = events.length; i < len; i++) {
+        eventType = events[i].replace(/^on/, "");
+        added[eventType] = true;
+        if (!handlers[eventType]) {
+          handlers[eventType] = [];
+        }
+        handlers[eventType].push(listener);
+      }
+      if (added.ready && _flashState.ready) {
+        this.emit({
+          type: "ready",
+          client: this
+        });
+      }
+      if (added.error) {
+        for (i = 0, len = _flashStateErrorNames.length; i < len; i++) {
+          if (_flashState[_flashStateErrorNames[i].replace(/^flash-/, "")]) {
+            this.emit({
+              type: "error",
+              name: _flashStateErrorNames[i],
+              client: this
+            });
+            break;
+          }
+        }
+        if (_zcSwfVersion !== undefined && ZeroClipboard.version !== _zcSwfVersion) {
+          this.emit({
+            type: "error",
+            name: "version-mismatch",
+            jsVersion: ZeroClipboard.version,
+            swfVersion: _zcSwfVersion
+          });
+        }
+      }
+    }
+    return this;
+  };
+  /**
+ * The underlying implementation of `ZeroClipboard.Client.prototype.off`.
+ * @private
+ */
+  var _clientOff = function(eventType, listener) {
+    var i, len, foundIndex, events, perEventHandlers, meta = _clientMeta[this.id], handlers = meta && meta.handlers;
+    if (!handlers) {
+      return this;
+    }
+    if (arguments.length === 0) {
+      events = _keys(handlers);
+    } else if (typeof eventType === "string" && eventType) {
+      events = eventType.split(/\s+/);
+    } else if (typeof eventType === "object" && eventType && typeof listener === "undefined") {
+      for (i in eventType) {
+        if (_hasOwn.call(eventType, i) && typeof i === "string" && i && typeof eventType[i] === "function") {
+          this.off(i, eventType[i]);
+        }
+      }
+    }
+    if (events && events.length) {
+      for (i = 0, len = events.length; i < len; i++) {
+        eventType = events[i].toLowerCase().replace(/^on/, "");
+        perEventHandlers = handlers[eventType];
+        if (perEventHandlers && perEventHandlers.length) {
+          if (listener) {
+            foundIndex = perEventHandlers.indexOf(listener);
+            while (foundIndex !== -1) {
+              perEventHandlers.splice(foundIndex, 1);
+              foundIndex = perEventHandlers.indexOf(listener, foundIndex);
+            }
+          } else {
+            perEventHandlers.length = 0;
+          }
+        }
+      }
+    }
+    return this;
+  };
+  /**
+ * The underlying implementation of `ZeroClipboard.Client.prototype.handlers`.
+ * @private
+ */
+  var _clientListeners = function(eventType) {
+    var copy = null, handlers = _clientMeta[this.id] && _clientMeta[this.id].handlers;
+    if (handlers) {
+      if (typeof eventType === "string" && eventType) {
+        copy = handlers[eventType] ? handlers[eventType].slice(0) : [];
+      } else {
+        copy = _deepCopy(handlers);
+      }
+    }
+    return copy;
+  };
+  /**
+ * The underlying implementation of `ZeroClipboard.Client.prototype.emit`.
+ * @private
+ */
+  var _clientEmit = function(event) {
+    if (_clientShouldEmit.call(this, event)) {
+      if (typeof event === "object" && event && typeof event.type === "string" && event.type) {
+        event = _extend({}, event);
+      }
+      var eventCopy = _extend({}, _createEvent(event), {
+        client: this
+      });
+      _clientDispatchCallbacks.call(this, eventCopy);
+    }
+    return this;
+  };
+  /**
+ * The underlying implementation of `ZeroClipboard.Client.prototype.clip`.
+ * @private
+ */
+  var _clientClip = function(elements) {
+    if (!_clientMeta[this.id]) {
+      throw new Error("Attempted to clip element(s) to a destroyed ZeroClipboard client instance");
+    }
+    elements = _prepClip(elements);
+    for (var i = 0; i < elements.length; i++) {
+      if (_hasOwn.call(elements, i) && elements[i] && elements[i].nodeType === 1) {
+        if (!elements[i].zcClippingId) {
+          elements[i].zcClippingId = "zcClippingId_" + _elementIdCounter++;
+          _elementMeta[elements[i].zcClippingId] = [ this.id ];
+          if (_globalConfig.autoActivate === true) {
+            _addMouseHandlers(elements[i]);
+          }
+        } else if (_elementMeta[elements[i].zcClippingId].indexOf(this.id) === -1) {
+          _elementMeta[elements[i].zcClippingId].push(this.id);
+        }
+        var clippedElements = _clientMeta[this.id] && _clientMeta[this.id].elements;
+        if (clippedElements.indexOf(elements[i]) === -1) {
+          clippedElements.push(elements[i]);
+        }
+      }
+    }
+    return this;
+  };
+  /**
+ * The underlying implementation of `ZeroClipboard.Client.prototype.unclip`.
+ * @private
+ */
+  var _clientUnclip = function(elements) {
+    var meta = _clientMeta[this.id];
+    if (!meta) {
+      return this;
+    }
+    var clippedElements = meta.elements;
+    var arrayIndex;
+    if (typeof elements === "undefined") {
+      elements = clippedElements.slice(0);
+    } else {
+      elements = _prepClip(elements);
+    }
+    for (var i = elements.length; i--; ) {
+      if (_hasOwn.call(elements, i) && elements[i] && elements[i].nodeType === 1) {
+        arrayIndex = 0;
+        while ((arrayIndex = clippedElements.indexOf(elements[i], arrayIndex)) !== -1) {
+          clippedElements.splice(arrayIndex, 1);
+        }
+        var clientIds = _elementMeta[elements[i].zcClippingId];
+        if (clientIds) {
+          arrayIndex = 0;
+          while ((arrayIndex = clientIds.indexOf(this.id, arrayIndex)) !== -1) {
+            clientIds.splice(arrayIndex, 1);
+          }
+          if (clientIds.length === 0) {
+            if (_globalConfig.autoActivate === true) {
+              _removeMouseHandlers(elements[i]);
+            }
+            delete elements[i].zcClippingId;
+          }
+        }
+      }
+    }
+    return this;
+  };
+  /**
+ * The underlying implementation of `ZeroClipboard.Client.prototype.elements`.
+ * @private
+ */
+  var _clientElements = function() {
+    var meta = _clientMeta[this.id];
+    return meta && meta.elements ? meta.elements.slice(0) : [];
+  };
+  /**
+ * The underlying implementation of `ZeroClipboard.Client.prototype.destroy`.
+ * @private
+ */
+  var _clientDestroy = function() {
+    if (!_clientMeta[this.id]) {
+      return;
+    }
+    this.unclip();
+    this.off();
+    delete _clientMeta[this.id];
+  };
+  /**
+ * Inspect an Event to see if the Client (`this`) should honor it for emission.
+ * @private
+ */
+  var _clientShouldEmit = function(event) {
+    if (!(event && event.type)) {
+      return false;
+    }
+    if (event.client && event.client !== this) {
+      return false;
+    }
+    var meta = _clientMeta[this.id];
+    var clippedEls = meta && meta.elements;
+    var hasClippedEls = !!clippedEls && clippedEls.length > 0;
+    var goodTarget = !event.target || hasClippedEls && clippedEls.indexOf(event.target) !== -1;
+    var goodRelTarget = event.relatedTarget && hasClippedEls && clippedEls.indexOf(event.relatedTarget) !== -1;
+    var goodClient = event.client && event.client === this;
+    if (!meta || !(goodTarget || goodRelTarget || goodClient)) {
+      return false;
+    }
+    return true;
+  };
+  /**
+ * Handle the actual dispatching of events to a client instance.
+ *
+ * @returns `undefined`
+ * @private
+ */
+  var _clientDispatchCallbacks = function(event) {
+    var meta = _clientMeta[this.id];
+    if (!(typeof event === "object" && event && event.type && meta)) {
+      return;
+    }
+    var async = _shouldPerformAsync(event);
+    var wildcardTypeHandlers = meta && meta.handlers["*"] || [];
+    var specificTypeHandlers = meta && meta.handlers[event.type] || [];
+    var handlers = wildcardTypeHandlers.concat(specificTypeHandlers);
+    if (handlers && handlers.length) {
+      var i, len, func, context, eventCopy, originalContext = this;
+      for (i = 0, len = handlers.length; i < len; i++) {
+        func = handlers[i];
+        context = originalContext;
+        if (typeof func === "string" && typeof _window[func] === "function") {
+          func = _window[func];
+        }
+        if (typeof func === "object" && func && typeof func.handleEvent === "function") {
+          context = func;
+          func = func.handleEvent;
+        }
+        if (typeof func === "function") {
+          eventCopy = _extend({}, event);
+          _dispatchCallback(func, context, [ eventCopy ], async);
+        }
+      }
+    }
+  };
+  /**
+ * Prepares the elements for clipping/unclipping.
+ *
+ * @returns An Array of elements.
+ * @private
+ */
+  var _prepClip = function(elements) {
+    if (typeof elements === "string") {
+      elements = [];
+    }
+    return typeof elements.length !== "number" ? [ elements ] : elements;
+  };
+  /**
+ * Add a `mouseover` handler function for a clipped element.
+ *
+ * @returns `undefined`
+ * @private
+ */
+  var _addMouseHandlers = function(element) {
+    if (!(element && element.nodeType === 1)) {
+      return;
+    }
+    var _suppressMouseEvents = function(event) {
+      if (!(event || (event = _window.event))) {
+        return;
+      }
+      if (event._source !== "js") {
+        event.stopImmediatePropagation();
+        event.preventDefault();
+      }
+      delete event._source;
+    };
+    var _elementMouseOver = function(event) {
+      if (!(event || (event = _window.event))) {
+        return;
+      }
+      _suppressMouseEvents(event);
+      ZeroClipboard.focus(element);
+    };
+    element.addEventListener("mouseover", _elementMouseOver, false);
+    element.addEventListener("mouseout", _suppressMouseEvents, false);
+    element.addEventListener("mouseenter", _suppressMouseEvents, false);
+    element.addEventListener("mouseleave", _suppressMouseEvents, false);
+    element.addEventListener("mousemove", _suppressMouseEvents, false);
+    _mouseHandlers[element.zcClippingId] = {
+      mouseover: _elementMouseOver,
+      mouseout: _suppressMouseEvents,
+      mouseenter: _suppressMouseEvents,
+      mouseleave: _suppressMouseEvents,
+      mousemove: _suppressMouseEvents
+    };
+  };
+  /**
+ * Remove a `mouseover` handler function for a clipped element.
+ *
+ * @returns `undefined`
+ * @private
+ */
+  var _removeMouseHandlers = function(element) {
+    if (!(element && element.nodeType === 1)) {
+      return;
+    }
+    var mouseHandlers = _mouseHandlers[element.zcClippingId];
+    if (!(typeof mouseHandlers === "object" && mouseHandlers)) {
+      return;
+    }
+    var key, val, mouseEvents = [ "move", "leave", "enter", "out", "over" ];
+    for (var i = 0, len = mouseEvents.length; i < len; i++) {
+      key = "mouse" + mouseEvents[i];
+      val = mouseHandlers[key];
+      if (typeof val === "function") {
+        element.removeEventListener(key, val, false);
+      }
+    }
+    delete _mouseHandlers[element.zcClippingId];
+  };
+  /**
+ * Creates a new ZeroClipboard client instance.
+ * Optionally, auto-`clip` an element or collection of elements.
+ *
+ * @constructor
+ */
+  ZeroClipboard._createClient = function() {
+    _clientConstructor.apply(this, _args(arguments));
+  };
+  /**
+ * Register an event listener to the client.
+ *
+ * @returns `this`
+ */
+  ZeroClipboard.prototype.on = function() {
+    return _clientOn.apply(this, _args(arguments));
+  };
+  /**
+ * Unregister an event handler from the client.
+ * If no `listener` function/object is provided, it will unregister all handlers for the provided `eventType`.
+ * If no `eventType` is provided, it will unregister all handlers for every event type.
+ *
+ * @returns `this`
+ */
+  ZeroClipboard.prototype.off = function() {
+    return _clientOff.apply(this, _args(arguments));
+  };
+  /**
+ * Retrieve event listeners for an `eventType` from the client.
+ * If no `eventType` is provided, it will retrieve all listeners for every event type.
+ *
+ * @returns array of listeners for the `eventType`; if no `eventType`, then a map/hash object of listeners for all event types; or `null`
+ */
+  ZeroClipboard.prototype.handlers = function() {
+    return _clientListeners.apply(this, _args(arguments));
+  };
+  /**
+ * Event emission receiver from the Flash object for this client's registered JavaScript event listeners.
+ *
+ * @returns For the "copy" event, returns the Flash-friendly "clipData" object; otherwise `undefined`.
+ */
+  ZeroClipboard.prototype.emit = function() {
+    return _clientEmit.apply(this, _args(arguments));
+  };
+  /**
+ * Register clipboard actions for new element(s) to the client.
+ *
+ * @returns `this`
+ */
+  ZeroClipboard.prototype.clip = function() {
+    return _clientClip.apply(this, _args(arguments));
+  };
+  /**
+ * Unregister the clipboard actions of previously registered element(s) on the page.
+ * If no elements are provided, ALL registered elements will be unregistered.
+ *
+ * @returns `this`
+ */
+  ZeroClipboard.prototype.unclip = function() {
+    return _clientUnclip.apply(this, _args(arguments));
+  };
+  /**
+ * Get all of the elements to which this client is clipped.
+ *
+ * @returns array of clipped elements
+ */
+  ZeroClipboard.prototype.elements = function() {
+    return _clientElements.apply(this, _args(arguments));
+  };
+  /**
+ * Self-destruct and clean up everything for a single client.
+ * This will NOT destroy the embedded Flash object.
+ *
+ * @returns `undefined`
+ */
+  ZeroClipboard.prototype.destroy = function() {
+    return _clientDestroy.apply(this, _args(arguments));
+  };
+  /**
+ * Stores the pending plain text to inject into the clipboard.
+ *
+ * @returns `this`
+ */
+  ZeroClipboard.prototype.setText = function(text) {
+    if (!_clientMeta[this.id]) {
+      throw new Error("Attempted to set pending clipboard data from a destroyed ZeroClipboard client instance");
+    }
+    ZeroClipboard.setData("text/plain", text);
+    return this;
+  };
+  /**
+ * Stores the pending HTML text to inject into the clipboard.
+ *
+ * @returns `this`
+ */
+  ZeroClipboard.prototype.setHtml = function(html) {
+    if (!_clientMeta[this.id]) {
+      throw new Error("Attempted to set pending clipboard data from a destroyed ZeroClipboard client instance");
+    }
+    ZeroClipboard.setData("text/html", html);
+    return this;
+  };
+  /**
+ * Stores the pending rich text (RTF) to inject into the clipboard.
+ *
+ * @returns `this`
+ */
+  ZeroClipboard.prototype.setRichText = function(richText) {
+    if (!_clientMeta[this.id]) {
+      throw new Error("Attempted to set pending clipboard data from a destroyed ZeroClipboard client instance");
+    }
+    ZeroClipboard.setData("application/rtf", richText);
+    return this;
+  };
+  /**
+ * Stores the pending data to inject into the clipboard.
+ *
+ * @returns `this`
+ */
+  ZeroClipboard.prototype.setData = function() {
+    if (!_clientMeta[this.id]) {
+      throw new Error("Attempted to set pending clipboard data from a destroyed ZeroClipboard client instance");
+    }
+    ZeroClipboard.setData.apply(this, _args(arguments));
+    return this;
+  };
+  /**
+ * Clears the pending data to inject into the clipboard.
+ * If no `format` is provided, all pending data formats will be cleared.
+ *
+ * @returns `this`
+ */
+  ZeroClipboard.prototype.clearData = function() {
+    if (!_clientMeta[this.id]) {
+      throw new Error("Attempted to clear pending clipboard data from a destroyed ZeroClipboard client instance");
+    }
+    ZeroClipboard.clearData.apply(this, _args(arguments));
+    return this;
+  };
+  /**
+ * Gets a copy of the pending data to inject into the clipboard.
+ * If no `format` is provided, a copy of ALL pending data formats will be returned.
+ *
+ * @returns `String` or `Object`
+ */
+  ZeroClipboard.prototype.getData = function() {
+    if (!_clientMeta[this.id]) {
+      throw new Error("Attempted to get pending clipboard data from a destroyed ZeroClipboard client instance");
+    }
+    return ZeroClipboard.getData.apply(this, _args(arguments));
+  };
+  if (typeof define === "function" && define.amd) {
+    define(function() {
+      return ZeroClipboard;
+    });
+  } else if (typeof module === "object" && module && typeof module.exports === "object" && module.exports) {
+    module.exports = ZeroClipboard;
+  } else {
+    window.ZeroClipboard = ZeroClipboard;
+  }
+})(function() {
+  return this || window;
+}());
\ No newline at end of file
diff --git a/template/src/oj/problem/problem.html b/template/src/oj/problem/problem.html
index 0c82bc6b..c554ab90 100644
--- a/template/src/oj/problem/problem.html
+++ b/template/src/oj/problem/problem.html
@@ -34,6 +34,7 @@
             {% for item in samples %}
                 <div class="problem-section">
                     <label class="problem-label">样例输入{{ forloop.counter }}</label>
+                    <a href="javascript:void(0)" class="copy-sample" data-clipboard-text="{{ item.input }}">复制</a>
         <pre>
 {{ item.input }}</pre>
 

From 7d52a46d888ef2c5550f19f85a7e9ad32bfd013e Mon Sep 17 00:00:00 2001
From: virusdefender <1670873886@qq.com>
Date: Fri, 11 Sep 2015 17:45:34 +0800
Subject: [PATCH 3/4] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E6=97=A0=E6=B3=95?=
 =?UTF-8?q?=E5=88=B7=E6=96=B0=E9=AA=8C=E8=AF=81=E7=A0=81=E7=9A=84=E9=97=AE?=
 =?UTF-8?q?=E9=A2=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 static/src/js/app/oj/account/change_password.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/static/src/js/app/oj/account/change_password.js b/static/src/js/app/oj/account/change_password.js
index a66505db..37c3ec37 100644
--- a/static/src/js/app/oj/account/change_password.js
+++ b/static/src/js/app/oj/account/change_password.js
@@ -1,7 +1,7 @@
 require(["jquery", "bsAlert", "csrfToken", "validator"], function ($, bsAlert, csrfTokenHeader) {
 
     function refresh_captcha(){
-        this.src = "/captcha/?" + Math.random();
+        $("#captcha-img")[0].src = "/captcha/?" + Math.random();
         $("#captcha")[0].value = "";
     }
     $("#captcha-img").click(function(){

From e83a3a6faf3cfb485f7bdba6a905108f18088267 Mon Sep 17 00:00:00 2001
From: virusdefender <1670873886@qq.com>
Date: Fri, 11 Sep 2015 17:46:53 +0800
Subject: [PATCH 4/4] =?UTF-8?q?=E5=A2=9E=E5=8A=A0=20pillow=20requirement?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 requirements.txt | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/requirements.txt b/requirements.txt
index 3a706b49..b22146d0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,4 +8,5 @@ celery
 gunicorn
 coverage
 django-extensions
-supervisor
\ No newline at end of file
+supervisor
+pillow
\ No newline at end of file