From dc33273d8a9b881a38870d59cc9a576a1e65d68f Mon Sep 17 00:00:00 2001
From: julien <jr@corp.webedia.fr>
Date: Tue, 3 Jan 2017 17:50:49 +0100
Subject: [PATCH] added clipboard functionality with your comments

---
 templates/clipboard.png | Bin 0 -> 488 bytes
 templates/example.tmpl  |   7 ++++++-
 templates/site.css      |   5 ++++-
 templates/site.js       |  17 +++++++++++++++++
 tools/generate.go       |   8 +++++++-
 5 files changed, 34 insertions(+), 3 deletions(-)
 create mode 100644 templates/clipboard.png
 create mode 100644 templates/site.js

diff --git a/templates/clipboard.png b/templates/clipboard.png
new file mode 100644
index 0000000000000000000000000000000000000000..0e262fec70a6efb70c8c03c67e4cfea0b230d5ab
GIT binary patch
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HcmV?d00001

diff --git a/templates/example.tmpl b/templates/example.tmpl
index dabad82..2503f29 100644
--- a/templates/example.tmpl
+++ b/templates/example.tmpl
@@ -28,7 +28,7 @@
             {{.DocsRendered}}
           </td>
           <td class="code{{if .CodeEmpty}} empty{{end}}{{if .CodeLeading}} leading{{end}}">
-	        {{if .CodeRun}}<a href="http://play.golang.org/p/{{$.UrlHash}}"><img title="Run code" src="play.png" class="run" /></a>{{end}}
+	        {{if .CodeRun}}<a href="http://play.golang.org/p/{{$.UrlHash}}"><img title="Run code" src="play.png" class="run" /></a><img title="Copy code" src="clipboard.png" class="copy" />{{end}}
             {{.CodeRendered}}
           </td>
         </tr>
@@ -44,5 +44,10 @@
         by <a href="https://twitter.com/mmcgrana">@mmcgrana</a> | <a href="mailto:mmcgrana@gmail.com">feedback</a> | <a href="https://github.com/mmcgrana/gobyexample/blob/master/examples/{{.Id}}">source</a> | <a href="https://github.com/mmcgrana/gobyexample#license">license</a>
       </p>
     </div>
+    <script>
+      var codeLines = [];
+      {{range .Segs}}{{range .}}codeLines.push('{{js .CodeForJs}}'); {{end}}{{end}}
+    </script>
+    <script src="site.js" async></script>
   </body>
 </html>
diff --git a/templates/site.css b/templates/site.css
index 4808e32..06d0111 100644
--- a/templates/site.css
+++ b/templates/site.css
@@ -136,11 +136,14 @@ pre, code {
     font-size: 14px; line-height: 18px;
     font-family: 'Menlo', 'Monaco', 'Consolas', 'Lucida Console', monospace;
 }
-img.run {
+img.copy, img.run {
   height: 16px;
   width: 16px;
   float: right
 }
+img.copy {
+  cursor: pointer;
+}
 
 /* Syntax highlighting */
 body .hll { background-color: #ffffcc }
diff --git a/templates/site.js b/templates/site.js
new file mode 100644
index 0000000..752e656
--- /dev/null
+++ b/templates/site.js
@@ -0,0 +1,17 @@
+/*!
+ * clipboard.js v1.5.13
+ * 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 r(c,a){if(!n[c]){if(!e[c]){var l="function"==typeof require&&require;if(!a&&l)return l(c,!0);if(i)return i(c,!0);var s=new Error("Cannot find module '"+c+"'");throw s.code="MODULE_NOT_FOUND",s}var u=n[c]={exports:{}};e[c][0].call(u.exports,function(t){var n=e[c][1][t];return r(n?n:t)},u,u.exports,t,e,n,o)}return n[c].exports}for(var i="function"==typeof require&&require,c=0;c<o.length;c++)r(o[c]);return r}({1:[function(t,e,n){function o(t,e,n){for(n=n||document.documentElement;t&&t!==n;){if(r(t,e))return t;t=t.parentNode}return r(t,e)?t:null}try{var r=t("matches-selector")}catch(e){var r=t("component-matches-selector")}e.exports=o},{"component-matches-selector":2,"matches-selector":2}],2:[function(t,e,n){function o(t,e){if(!t||1!==t.nodeType)return!1;if(c)return c.call(t,e);for(var n=r.all(e,t.parentNode),o=0;o<n.length;++o)if(n[o]==t)return!0;return!1}try{var r=t("query")}catch(e){var r=t("component-query")}var i=Element.prototype,c=i.matches||i.webkitMatchesSelector||i.mozMatchesSelector||i.msMatchesSelector||i.oMatchesSelector;e.exports=o},{"component-query":3,query:3}],3:[function(t,e,n){function o(t,e){return e.querySelector(t)}n=e.exports=function(t,e){return e=e||document,o(t,e)},n.all=function(t,e){return e=e||document,e.querySelectorAll(t)},n.engine=function(t){if(!t.one)throw new Error(".one callback required");if(!t.all)throw new Error(".all callback required");return o=t.one,n.all=t.all,n}},{}],4:[function(t,e,n){function o(t,e,n,o,i){var c=r.apply(this,arguments);return t.addEventListener(n,c,i),{destroy:function(){t.removeEventListener(n,c,i)}}}function 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HTMLElement, HTMLCollection, or NodeList")}function r(t,e,n){return t.addEventListener(e,n),{destroy:function(){t.removeEventListener(e,n)}}}function i(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 l(document.body,t,e,n)}var a=t("./is"),l=t("delegate");e.exports=o},{"./is":5,delegate:4}],7:[function(t,e,n){function o(t){var e;if("SELECT"===t.nodeName)t.focus(),e=t.value;else 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},{}],8:[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(){r.off(t,o),e.apply(n,arguments)}var r=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,r=n.length;for(o;o<r;o++)n[o].fn.apply(n[o].ctx,e);return this},off:function(t,e){var n=this.e||(this.e={}),o=n[t],r=[];if(o&&e)for(var i=0,c=o.length;i<c;i++)o[i].fn!==e&&o[i].fn._!==e&&r.push(o[i]);return r.length?n[t]=r:delete n[t],this}},e.exports=o},{}],9:[function(e,n,o){!function(r,i){if("function"==typeof t&&t.amd)t(["module","select"],i);else if("undefined"!=typeof o)i(n,e("select"));else{var c={exports:{}};i(c,r.select),r.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 r=n(e),i="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.fakeHandlerCallback=function(){return e.removeFake()},this.fakeHandler=document.body.addEventListener("click",this.fakeHandlerCallback)||!0,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="absolute",this.fakeElem.style[n?"right":"left"]="-9999px";var o=window.pageYOffset||document.documentElement.scrollTop;this.fakeElem.addEventListener("focus",window.scrollTo(0,o)),this.fakeElem.style.top=o+"px",this.fakeElem.setAttribute("readonly",""),this.fakeElem.value=this.text,document.body.appendChild(this.fakeElem),this.selectedText=(0,r.default)(this.fakeElem),this.copyText()},t.prototype.removeFake=function t(){this.fakeHandler&&(document.body.removeEventListener("click",this.fakeHandlerCallback),this.fakeHandler=null,this.fakeHandlerCallback=null),this.fakeElem&&(document.body.removeChild(this.fakeElem),this.fakeElem=null)},t.prototype.selectTarget=function t(){this.selectedText=(0,r.default)(this.target),this.copyText()},t.prototype.copyText=function t(){var e=void 0;try{e=document.execCommand(this.action)}catch(t){e=!1}this.handleResult(e)},t.prototype.handleResult=function t(e){this.emitter.emit(e?"success":"error",{action:this.action,text:this.selectedText,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":i(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:7}],10:[function(e,n,o){!function(r,i){if("function"==typeof t&&t.amd)t(["module","./clipboard-action","tiny-emitter","good-listener"],i);else if("undefined"!=typeof o)i(n,e("./clipboard-action"),e("tiny-emitter"),e("good-listener"));else{var c={exports:{}};i(c,r.clipboardAction,r.tinyEmitter,r.goodListener),r.clipboard=c.exports}}(this,function(t,e,n,o){"use strict";function r(t){return t&&t.__esModule?t:{default:t}}function i(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 l(t,e){var n="data-clipboard-"+t;if(e.hasAttribute(n))return e.getAttribute(n)}var s=r(e),u=r(n),f=r(o),d=function(t){function e(n,o){i(this,e);var r=c(this,t.call(this));return r.resolveOptions(o),r.listenClick(n),r}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 s.default({action:this.action(n),target:this.target(n),text:this.text(n),trigger:n,emitter:this})},e.prototype.defaultAction=function t(e){return l("action",e)},e.prototype.defaultTarget=function t(e){var n=l("target",e);if(n)return document.querySelector(n)},e.prototype.defaultText=function t(e){return l("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":9,"good-listener":6,"tiny-emitter":8}]},{},[10])(10)});
+
+/*
+* code for the clipboard functionality
+*/
+
+var clipboard = new Clipboard('.copy', {
+    text: function(trigger) {
+        return codeLines.filter(function(cL) { return cL != '' }).join("\n").replace(/\n$/, '');
+    }
+});
diff --git a/tools/generate.go b/tools/generate.go
index 6bb3184..3f3327e 100644
--- a/tools/generate.go
+++ b/tools/generate.go
@@ -120,7 +120,7 @@ var dashPat = regexp.MustCompile("\\-+")
 
 type Seg struct {
     Docs, DocsRendered              string
-    Code, CodeRendered              string
+    Code, CodeRendered, CodeForJs   string
     CodeEmpty, CodeLeading, CodeRun bool
 }
 
@@ -205,6 +205,10 @@ func parseAndRenderSegs(sourcePath string) ([]*Seg, string) {
         }
         if seg.Code != "" {
             seg.CodeRendered = cachedPygmentize(lexer, seg.Code)
+            // adding the content to the js code for copying to the clipboard
+            if strings.HasSuffix(sourcePath, ".go") {
+                seg.CodeForJs = strings.Trim(seg.Code, "\n") + "\n"
+            }
         }
     }
     // we are only interested in the 'go' code to pass to play.golang.org
@@ -276,9 +280,11 @@ func renderExamples(examples []*Example) {
 
 func main() {
     copyFile("templates/site.css", siteDir+"/site.css")
+    copyFile("templates/site.js", siteDir+"/site.js")
     copyFile("templates/favicon.ico", siteDir+"/favicon.ico")
     copyFile("templates/404.html", siteDir+"/404.html")
     copyFile("templates/play.png", siteDir+"/play.png")
+    copyFile("templates/clipboard.png", siteDir+"/clipboard.png")
     examples := parseExamples()
     renderIndex(examples)
     renderExamples(examples)