Replace ZeroClipboard with clipboard.js

For copy/paste support in our code samples, we are using the
ZeroClipboard library which relies heavily on Flash.
Because many browsers/extensions are disabling this plugin nowadays,
this commit replaces ZeroClipboard with a native, lightweight solution
for this feature.

_includes/page.html

@@ -26,7 +26,7 @@
     <script type="text/javascript" src="{{site.baseurl}}/js/backbone.js"></script>
     <script type="text/javascript" src="{{site.baseurl}}/js/projectDocumentationWidget.js"></script>
     <script type="text/javascript" src="{{site.baseurl}}/js/application.js"></script>
-    <script type="text/javascript" src="{{site.baseurl}}/js/ZeroClipboard.min.js"></script>
+    <script type="text/javascript" src="{{site.baseurl}}/js/clipboard.min.js"></script>
     <script type="text/javascript">
         var apiBaseUrl = "{{ site.main_site_url }}";
         var projectId = "{{ site.project }}";

js/ZeroClipboard.min.js

-/*!
- * zeroclipboard
- * The Zero Clipboard library provides an easy way to copy text to the clipboard using an invisible Adobe Flash movie, and a JavaScript interface.
- * Copyright 2012 Jon Rohan, James M. Greene, .
- * Released under the MIT license
- * http://jonrohan.github.com/ZeroClipboard/
- * v1.1.7
- */(function(){"use strict";var a=function(a,b){var c=a.style[b];a.currentStyle?c=a.currentStyle[b]:window.getComputedStyle&&(c=document.defaultView.getComputedStyle(a,null).getPropertyValue(b));if(c=="auto"&&b=="cursor"){var d=["a"];for(var e=0;e<d.length;e++)if(a.tagName.toLowerCase()==d[e])return"pointer"}return c},b=function(a){if(!l.prototype._singleton)return;a||(a=window.event);var b;this!==window?b=this:a.target?b=a.target:a.srcElement&&(b=a.srcElement),l.prototype._singleton.setCurrent(b)},c=function(a,b,c){a.addEventListener?a.addEventListener(b,c,!1):a.attachEvent&&a.attachEvent("on"+b,c)},d=function(a,b,c){a.removeEventListener?a.removeEventListener(b,c,!1):a.detachEvent&&a.detachEvent("on"+b,c)},e=function(a,b){if(a.addClass)return a.addClass(b),a;if(b&&typeof b=="string"){var c=(b||"").split(/\s+/);if(a.nodeType===1)if(!a.className)a.className=b;else{var d=" "+a.className+" ",e=a.className;for(var f=0,g=c.length;f<g;f++)d.indexOf(" "+c[f]+" ")<0&&(e+=" "+c[f]);a.className=e.replace(/^\s+|\s+$/g,"")}}return a},f=function(a,b){if(a.removeClass)return a.removeClass(b),a;if(b&&typeof b=="string"||b===undefined){var c=(b||"").split(/\s+/);if(a.nodeType===1&&a.className)if(b){var d=(" "+a.className+" ").replace(/[\n\t]/g," ");for(var e=0,f=c.length;e<f;e++)d=d.replace(" "+c[e]+" "," ");a.className=d.replace(/^\s+|\s+$/g,"")}else a.className=""}return a},g=function(b){var c={left:0,top:0,width:b.width||b.offsetWidth||0,height:b.height||b.offsetHeight||0,zIndex:9999},d=a(b,"zIndex");d&&d!="auto"&&(c.zIndex=parseInt(d,10));while(b){var e=parseInt(a(b,"borderLeftWidth"),10),f=parseInt(a(b,"borderTopWidth"),10);c.left+=isNaN(b.offsetLeft)?0:b.offsetLeft,c.left+=isNaN(e)?0:e,c.top+=isNaN(b.offsetTop)?0:b.offsetTop,c.top+=isNaN(f)?0:f,b=b.offsetParent}return c},h=function(a){return(a.indexOf("?")>=0?"&":"?")+"nocache="+(new Date).getTime()},i=function(a){var b=[];return a.trustedDomains&&(typeof a.trustedDomains=="string"?b.push("trustedDomain="+a.trustedDomains):b.push("trustedDomain="+a.trustedDomains.join(","))),b.join("&")},j=function(a,b){if(b.indexOf)return b.indexOf(a);for(var c=0,d=b.length;c<d;c++)if(b[c]===a)return c;return-1},k=function(a){if(typeof a=="string")throw new TypeError("ZeroClipboard doesn't accept query strings.");return a.length?a:[a]},l=function(a,b){a&&(l.prototype._singleton||this).glue(a);if(l.prototype._singleton)return l.prototype._singleton;l.prototype._singleton=this,this.options={};for(var c in o)this.options[c]=o[c];for(var d in b)this.options[d]=b[d];this.handlers={},l.detectFlashSupport()&&p()},m,n=[];l.prototype.setCurrent=function(b){m=b,this.reposition(),b.getAttribute("title")&&this.setTitle(b.getAttribute("title")),this.setHandCursor(a(b,"cursor")=="pointer")},l.prototype.setText=function(a){a&&a!==""&&(this.options.text=a,this.ready()&&this.flashBridge.setText(a))},l.prototype.setTitle=function(a){a&&a!==""&&this.htmlBridge.setAttribute("title",a)},l.prototype.setSize=function(a,b){this.ready()&&this.flashBridge.setSize(a,b)},l.prototype.setHandCursor=function(a){this.ready()&&this.flashBridge.setHandCursor(a)},l.version="1.1.7";var o={moviePath:"ZeroClipboard.swf",trustedDomains:null,text:null,hoverClass:"zeroclipboard-is-hover",activeClass:"zeroclipboard-is-active",allowScriptAccess:"sameDomain"};l.setDefaults=function(a){for(var b in a)o[b]=a[b]},l.destroy=function(){l.prototype._singleton.unglue(n);var a=l.prototype._singleton.htmlBridge;a.parentNode.removeChild(a),delete l.prototype._singleton},l.detectFlashSupport=function(){var a=!1;try{new ActiveXObject("ShockwaveFlash.ShockwaveFlash")&&(a=!0)}catch(b){navigator.mimeTypes["application/x-shockwave-flash"]&&(a=!0)}return a};var p=function(){var a=l.prototype._singleton,b=document.getElementById("global-zeroclipboard-html-bridge");if(!b){var c='      <object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" id="global-zeroclipboard-flash-bridge" width="100%" height="100%">         <param name="movie" value="'+a.options.moviePath+h(a.options.moviePath)+'"/>         <param name="allowScriptAccess" value="'+a.options.allowScriptAccess+'"/>         <param name="scale" value="exactfit"/>         <param name="loop" value="false"/>         <param name="menu" value="false"/>         <param name="quality" value="best" />         <param name="bgcolor" value="#ffffff"/>         <param name="wmode" value="transparent"/>         <param name="flashvars" value="'+i(a.options)+'"/>         <embed src="'+a.options.moviePath+h(a.options.moviePath)+'"           loop="false" menu="false"           quality="best" bgcolor="#ffffff"           width="100%" height="100%"           name="global-zeroclipboard-flash-bridge"           allowScriptAccess="always"           allowFullScreen="false"           type="application/x-shockwave-flash"           wmode="transparent"           pluginspage="http://www.macromedia.com/go/getflashplayer"           flashvars="'+i(a.options)+'"           scale="exactfit">         </embed>       </object>';b=document.createElement("div"),b.id="global-zeroclipboard-html-bridge",b.setAttribute("class","global-zeroclipboard-container"),b.setAttribute("data-clipboard-ready",!1),b.style.position="absolute",b.style.left="-9999px",b.style.top="-9999px",b.style.width="15px",b.style.height="15px",b.style.zIndex="9999",b.innerHTML=c,document.body.appendChild(b)}a.htmlBridge=b,a.flashBridge=document["global-zeroclipboard-flash-bridge"]||b.children[0].lastElementChild};l.prototype.resetBridge=function(){this.htmlBridge.style.left="-9999px",this.htmlBridge.style.top="-9999px",this.htmlBridge.removeAttribute("title"),this.htmlBridge.removeAttribute("data-clipboard-text"),f(m,this.options.activeClass),m=null,this.options.text=null},l.prototype.ready=function(){var a=this.htmlBridge.getAttribute("data-clipboard-ready");return a==="true"||a===!0},l.prototype.reposition=function(){if(!m)return!1;var a=g(m);this.htmlBridge.style.top=a.top+"px",this.htmlBridge.style.left=a.left+"px",this.htmlBridge.style.width=a.width+"px",this.htmlBridge.style.height=a.height+"px",this.htmlBridge.style.zIndex=a.zIndex+1,this.setSize(a.width,a.height)},l.dispatch=function(a,b){l.prototype._singleton.receiveEvent(a,b)},l.prototype.on=function(a,b){var c=a.toString().split(/\s/g);for(var d=0;d<c.length;d++)a=c[d].toLowerCase().replace(/^on/,""),this.handlers[a]||(this.handlers[a]=b);this.handlers.noflash&&!l.detectFlashSupport()&&this.receiveEvent("onNoFlash",null)},l.prototype.addEventListener=l.prototype.on,l.prototype.off=function(a,b){var c=a.toString().split(/\s/g);for(var d=0;d<c.length;d++){a=c[d].toLowerCase().replace(/^on/,"");for(var e in this.handlers)e===a&&this.handlers[e]===b&&delete this.handlers[e]}},l.prototype.removeEventListener=l.prototype.off,l.prototype.receiveEvent=function(a,b){a=a.toString().toLowerCase().replace(/^on/,"");var c=m;switch(a){case"load":if(b&&parseFloat(b.flashVersion.replace(",",".").replace(/[^0-9\.]/gi,""))<10){this.receiveEvent("onWrongFlash",{flashVersion:b.flashVersion});return}this.htmlBridge.setAttribute("data-clipboard-ready",!0);break;case"mouseover":e(c,this.options.hoverClass);break;case"mouseout":f(c,this.options.hoverClass),this.resetBridge();break;case"mousedown":e(c,this.options.activeClass);break;case"mouseup":f(c,this.options.activeClass);break;case"datarequested":var d=c.getAttribute("data-clipboard-target"),g=d?document.getElementById(d):null;if(g){var h=g.value||g.textContent||g.innerText;h&&this.setText(h)}else{var i=c.getAttribute("data-clipboard-text");i&&this.setText(i)}break;case"complete":this.options.text=null}if(this.handlers[a]){var j=this.handlers[a];typeof j=="function"?j.call(c,this,b):typeof j=="string"&&window[j].call(c,this,b)}},l.prototype.glue=function(a){a=k(a);for(var d=0;d<a.length;d++)j(a[d],n)==-1&&(n.push(a[d]),c(a[d],"mouseover",b))},l.prototype.unglue=function(a){a=k(a);for(var c=0;c<a.length;c++){d(a[c],"mouseover",b);var e=j(a[c],n);e!=-1&&n.splice(e,1)}},typeof module!="undefined"?module.exports=l:typeof define=="function"&&define.amd?define(function(){return l}):window.ZeroClipboard=l})();
\ No newline at end of file

js/clipboard.min.js

+/*!
+ * clipboard.js v1.5.10
+ * https://zenorocha.github.io/clipboard.js
+ *
+ * Licensed MIT © Zeno Rocha
+ */
+!function(t){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=t();else if("function"==typeof define&&define.amd)define([],t);else{var e;e="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,e.Clipboard=t()}}(function(){var t,e,n;return function t(e,n,o){function i(c,a){if(!n[c]){if(!e[c]){var s="function"==typeof require&&require;if(!a&&s)return s(c,!0);if(r)return r(c,!0);var l=new Error("Cannot find module '"+c+"'");throw l.code="MODULE_NOT_FOUND",l}var u=n[c]={exports:{}};e[c][0].call(u.exports,function(t){var n=e[c][1][t];return i(n?n:t)},u,u.exports,t,e,n,o)}return n[c].exports}for(var r="function"==typeof require&&require,c=0;c<o.length;c++)i(o[c]);return i}({1:[function(t,e,n){var o=t("matches-selector");e.exports=function(t,e,n){for(var i=n?t:t.parentNode;i&&i!==document;){if(o(i,e))return i;i=i.parentNode}}},{"matches-selector":5}],2:[function(t,e,n){function o(t,e,n,o,r){var c=i.apply(this,arguments);return t.addEventListener(n,c,r),{destroy:function(){t.removeEventListener(n,c,r)}}}function i(t,e,n,o){return function(n){n.delegateTarget=r(n.target,e,!0),n.delegateTarget&&o.call(t,n)}}var r=t("closest");e.exports=o},{closest:1}],3:[function(t,e,n){n.node=function(t){return void 0!==t&&t instanceof HTMLElement&&1===t.nodeType},n.nodeList=function(t){var e=Object.prototype.toString.call(t);return void 0!==t&&("[object NodeList]"===e||"[object HTMLCollection]"===e)&&"length"in t&&(0===t.length||n.node(t[0]))},n.string=function(t){return"string"==typeof t||t instanceof String},n.fn=function(t){var e=Object.prototype.toString.call(t);return"[object Function]"===e}},{}],4:[function(t,e,n){function o(t,e,n){if(!t&&!e&&!n)throw new Error("Missing required arguments");if(!a.string(e))throw new TypeError("Second argument must be a String");if(!a.fn(n))throw new TypeError("Third argument must be a Function");if(a.node(t))return i(t,e,n);if(a.nodeList(t))return r(t,e,n);if(a.string(t))return c(t,e,n);throw new TypeError("First argument must be a String, HTMLElement, HTMLCollection, or NodeList")}function i(t,e,n){return t.addEventListener(e,n),{destroy:function(){t.removeEventListener(e,n)}}}function r(t,e,n){return Array.prototype.forEach.call(t,function(t){t.addEventListener(e,n)}),{destroy:function(){Array.prototype.forEach.call(t,function(t){t.removeEventListener(e,n)})}}}function c(t,e,n){return s(document.body,t,e,n)}var a=t("./is"),s=t("delegate");e.exports=o},{"./is":3,delegate:2}],5:[function(t,e,n){function o(t,e){if(r)return r.call(t,e);for(var n=t.parentNode.querySelectorAll(e),o=0;o<n.length;++o)if(n[o]==t)return!0;return!1}var i=Element.prototype,r=i.matchesSelector||i.webkitMatchesSelector||i.mozMatchesSelector||i.msMatchesSelector||i.oMatchesSelector;e.exports=o},{}],6:[function(t,e,n){function o(t){var e;if("INPUT"===t.nodeName||"TEXTAREA"===t.nodeName)t.focus(),t.setSelectionRange(0,t.value.length),e=t.value;else{t.hasAttribute("contenteditable")&&t.focus();var n=window.getSelection(),o=document.createRange();o.selectNodeContents(t),n.removeAllRanges(),n.addRange(o),e=n.toString()}return e}e.exports=o},{}],7:[function(t,e,n){function o(){}o.prototype={on:function(t,e,n){var o=this.e||(this.e={});return(o[t]||(o[t]=[])).push({fn:e,ctx:n}),this},once:function(t,e,n){function o(){i.off(t,o),e.apply(n,arguments)}var i=this;return o._=e,this.on(t,o,n)},emit:function(t){var e=[].slice.call(arguments,1),n=((this.e||(this.e={}))[t]||[]).slice(),o=0,i=n.length;for(o;i>o;o++)n[o].fn.apply(n[o].ctx,e);return this},off:function(t,e){var n=this.e||(this.e={}),o=n[t],i=[];if(o&&e)for(var r=0,c=o.length;c>r;r++)o[r].fn!==e&&o[r].fn._!==e&&i.push(o[r]);return i.length?n[t]=i:delete n[t],this}},e.exports=o},{}],8:[function(e,n,o){!function(i,r){if("function"==typeof t&&t.amd)t(["module","select"],r);else if("undefined"!=typeof o)r(n,e("select"));else{var c={exports:{}};r(c,i.select),i.clipboardAction=c.exports}}(this,function(t,e){"use strict";function n(t){return t&&t.__esModule?t:{"default":t}}function o(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}var i=n(e),r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol?"symbol":typeof t},c=function(){function t(t,e){for(var n=0;n<e.length;n++){var o=e[n];o.enumerable=o.enumerable||!1,o.configurable=!0,"value"in o&&(o.writable=!0),Object.defineProperty(t,o.key,o)}}return function(e,n,o){return n&&t(e.prototype,n),o&&t(e,o),e}}(),a=function(){function t(e){o(this,t),this.resolveOptions(e),this.initSelection()}return t.prototype.resolveOptions=function t(){var e=arguments.length<=0||void 0===arguments[0]?{}:arguments[0];this.action=e.action,this.emitter=e.emitter,this.target=e.target,this.text=e.text,this.trigger=e.trigger,this.selectedText=""},t.prototype.initSelection=function t(){this.text?this.selectFake():this.target&&this.selectTarget()},t.prototype.selectFake=function t(){var e=this,n="rtl"==document.documentElement.getAttribute("dir");this.removeFake(),this.fakeHandler=document.body.addEventListener("click",function(){return e.removeFake()}),this.fakeElem=document.createElement("textarea"),this.fakeElem.style.fontSize="12pt",this.fakeElem.style.border="0",this.fakeElem.style.padding="0",this.fakeElem.style.margin="0",this.fakeElem.style.position="fixed",this.fakeElem.style[n?"right":"left"]="-9999px",this.fakeElem.style.top=(window.pageYOffset||document.documentElement.scrollTop)+"px",this.fakeElem.setAttribute("readonly",""),this.fakeElem.value=this.text,document.body.appendChild(this.fakeElem),this.selectedText=(0,i.default)(this.fakeElem),this.copyText()},t.prototype.removeFake=function t(){this.fakeHandler&&(document.body.removeEventListener("click"),this.fakeHandler=null),this.fakeElem&&(document.body.removeChild(this.fakeElem),this.fakeElem=null)},t.prototype.selectTarget=function t(){this.selectedText=(0,i.default)(this.target),this.copyText()},t.prototype.copyText=function t(){var e=void 0;try{e=document.execCommand(this.action)}catch(n){e=!1}this.handleResult(e)},t.prototype.handleResult=function t(e){e?this.emitter.emit("success",{action:this.action,text:this.selectedText,trigger:this.trigger,clearSelection:this.clearSelection.bind(this)}):this.emitter.emit("error",{action:this.action,trigger:this.trigger,clearSelection:this.clearSelection.bind(this)})},t.prototype.clearSelection=function t(){this.target&&this.target.blur(),window.getSelection().removeAllRanges()},t.prototype.destroy=function t(){this.removeFake()},c(t,[{key:"action",set:function t(){var e=arguments.length<=0||void 0===arguments[0]?"copy":arguments[0];if(this._action=e,"copy"!==this._action&&"cut"!==this._action)throw new Error('Invalid "action" value, use either "copy" or "cut"')},get:function t(){return this._action}},{key:"target",set:function t(e){if(void 0!==e){if(!e||"object"!==("undefined"==typeof e?"undefined":r(e))||1!==e.nodeType)throw new Error('Invalid "target" value, use a valid Element');if("copy"===this.action&&e.hasAttribute("disabled"))throw new Error('Invalid "target" attribute. Please use "readonly" instead of "disabled" attribute');if("cut"===this.action&&(e.hasAttribute("readonly")||e.hasAttribute("disabled")))throw new Error('Invalid "target" attribute. You can\'t cut text from elements with "readonly" or "disabled" attributes');this._target=e}},get:function t(){return this._target}}]),t}();t.exports=a})},{select:6}],9:[function(e,n,o){!function(i,r){if("function"==typeof t&&t.amd)t(["module","./clipboard-action","tiny-emitter","good-listener"],r);else if("undefined"!=typeof o)r(n,e("./clipboard-action"),e("tiny-emitter"),e("good-listener"));else{var c={exports:{}};r(c,i.clipboardAction,i.tinyEmitter,i.goodListener),i.clipboard=c.exports}}(this,function(t,e,n,o){"use strict";function i(t){return t&&t.__esModule?t:{"default":t}}function r(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function c(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e}function a(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}function s(t,e){var n="data-clipboard-"+t;if(e.hasAttribute(n))return e.getAttribute(n)}var l=i(e),u=i(n),f=i(o),d=function(t){function e(n,o){r(this,e);var i=c(this,t.call(this));return i.resolveOptions(o),i.listenClick(n),i}return a(e,t),e.prototype.resolveOptions=function t(){var e=arguments.length<=0||void 0===arguments[0]?{}:arguments[0];this.action="function"==typeof e.action?e.action:this.defaultAction,this.target="function"==typeof e.target?e.target:this.defaultTarget,this.text="function"==typeof e.text?e.text:this.defaultText},e.prototype.listenClick=function t(e){var n=this;this.listener=(0,f.default)(e,"click",function(t){return n.onClick(t)})},e.prototype.onClick=function t(e){var n=e.delegateTarget||e.currentTarget;this.clipboardAction&&(this.clipboardAction=null),this.clipboardAction=new l.default({action:this.action(n),target:this.target(n),text:this.text(n),trigger:n,emitter:this})},e.prototype.defaultAction=function t(e){return s("action",e)},e.prototype.defaultTarget=function t(e){var n=s("target",e);return n?document.querySelector(n):void 0},e.prototype.defaultText=function t(e){return s("text",e)},e.prototype.destroy=function t(){this.listener.destroy(),this.clipboardAction&&(this.clipboardAction.destroy(),this.clipboardAction=null)},e}(u.default);t.exports=d})},{"./clipboard-action":8,"good-listener":4,"tiny-emitter":7}]},{},[9])(9)});
\ No newline at end of file

js/copySnippets.js

 window.Spring = window.Spring || {};
 
-ZeroClipboard.setDefaults( { moviePath: siteBaseUrl + '/js/ZeroClipboard.swf' } );
-
 $(document).ready(function() {
     Spring.configureCopyButtons();
 });
 
 Spring.configureCopyButtons = function() {
-    if (ZeroClipboard.detectFlashSupport()) {
-        $("pre.highlight").each(function(index) {
-                Spring.buildCopyButton($(this), index);
-            }
-        );
-    }
+    
+    $("pre.highlight").each(function(index) {
+            Spring.buildCopyButton($(this), index);
+        }
+    );
+    var errorMessage = function() {
+        if (/Mac/i.test(navigator.userAgent)) {
+            return 'Press Cmd-C to Copy';
+        }
+        else {
+            return 'Press Ctrl-C to Copy';
+        }
+    };
+    var snippets = new Clipboard('.copy-button');
+    snippets.on('success', function(e) {
+        e.clearSelection();
+        Spring.showTooltip(e.trigger, "Copied!");
+    });
+    snippets.on('error', function(e) {
+        Spring.showTooltip(e.trigger, errorMessage());
+    });
+}
+
+Spring.showTooltip = function(elem, message) {
+    $(elem).tooltip({placement:'right', title:message});
+    $(elem).tooltip('show');
+    setTimeout(function(){$(elem).tooltip('destroy');},1000);
 }
 
 Spring.buildCopyButton = function (preEl, id) {
-	var codeBlockId = "code-block-"+ id;
+    var codeBlockId = "code-block-"+ id;
     var copyButtonId = "copy-button-" + id;
     preEl.attr('id', codeBlockId);
-    var button = $('<button class="copy-button snippet" id="' + copyButtonId + '" data-clipboard-target="' + codeBlockId + '"></button>');
+    var button = $('<button class="copy-button snippet" id="' + copyButtonId + '" data-clipboard-target="#' + codeBlockId + '"></button>');
     preEl.before(button);
-    var zero = new ZeroClipboard(button);
-    $(zero.htmlBridge).tooltip({title: "copy to clipboard", placement: 'bottom'});
 }

js/projectDocumentationWidget.js

@@ -107,9 +107,7 @@ Spring.SnippetView = Backbone.View.extend({
 
     var html = $(this.combinedTemplate(this.model));
     this.$el.html(html);
-    if (ZeroClipboard.detectFlashSupport()) {
-    	Spring.buildCopyButton(html.find(":first"), "snippet");
-    }
+    Spring.buildCopyButton(html.find(":first"), "snippet");
     return this;
   },