From a37e9d87cfc55288fe2583861709ad745f4d8419 Mon Sep 17 00:00:00 2001
From: Thibaut <thibaut@me.com>
Date: Sun, 18 Oct 2015 16:46:52 -0400
Subject: [PATCH] Add "Copy to clipboard" icon inside each code block

Closes #253.
---
 assets/images/icons.png                       | Bin 33649 -> 33826 bytes
 assets/images/icons@2x.png                    | Bin 89145 -> 89511 bytes
 assets/javascripts/lib/util.coffee            |  15 ++++++++++
 assets/javascripts/news.json                  |   3 ++
 .../views/content/entry_page.coffee           |  15 +++++++++-
 assets/stylesheets/components/_content.scss   |  28 ++++++++++++++++++
 assets/stylesheets/global/_base.scss          |   3 +-
 assets/stylesheets/global/_icons.scss         |   2 ++
 public/icons/ui/clipboard-white/16.png        | Bin 0 -> 151 bytes
 public/icons/ui/clipboard-white/16@2x.png     | Bin 0 -> 229 bytes
 public/icons/ui/clipboard-white/SOURCE        |   1 +
 public/icons/ui/clipboard/16.png              | Bin 0 -> 151 bytes
 public/icons/ui/clipboard/16@2x.png           | Bin 0 -> 230 bytes
 public/icons/ui/clipboard/SOURCE              |   1 +
 14 files changed, 66 insertions(+), 2 deletions(-)
 create mode 100644 public/icons/ui/clipboard-white/16.png
 create mode 100644 public/icons/ui/clipboard-white/16@2x.png
 create mode 100644 public/icons/ui/clipboard-white/SOURCE
 create mode 100644 public/icons/ui/clipboard/16.png
 create mode 100644 public/icons/ui/clipboard/16@2x.png
 create mode 100644 public/icons/ui/clipboard/SOURCE

diff --git a/assets/images/icons.png b/assets/images/icons.png
index 939c9c0e72af47d2cf342ed1e7eb4b1290e2c93e..4622399ccd7b1b4fd3ad955d9331be241fcb3212 100644
GIT binary patch
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diff --git a/assets/images/icons@2x.png b/assets/images/icons@2x.png
index ee8cc1aa836930994763bb50f978e8f21443e8e2..edf961c08e0e0f9d879f6f14a35bdb3fed9c5017 100644
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delta 3775
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diff --git a/assets/javascripts/lib/util.coffee b/assets/javascripts/lib/util.coffee
index e1c2fcff..9f54e485 100644
--- a/assets/javascripts/lib/util.coffee
+++ b/assets/javascripts/lib/util.coffee
@@ -292,3 +292,18 @@ $.highlight = (el, options = {}) ->
   el.classList.add(options.className)
   setTimeout (-> el.classList.remove(options.className)), options.delay
   return
+
+$.copyToClipboard = (string) ->
+  textarea = document.createElement('textarea')
+  textarea.style.position = 'fixed'
+  textarea.style.opacity = 0
+  textarea.value = string
+  document.body.appendChild(textarea)
+  try
+    textarea.select()
+    result = !!document.execCommand('copy')
+  catch
+    result = false
+  finally
+    document.body.removeChild(textarea)
+  result
diff --git a/assets/javascripts/news.json b/assets/javascripts/news.json
index 42944337..c2959755 100644
--- a/assets/javascripts/news.json
+++ b/assets/javascripts/news.json
@@ -1,5 +1,8 @@
 [
   [
+    "2015-10-18",
+    "Added a \"Copy to clipboard\" button inside each code block."
+  ], [
     "2015-09-13",
     "New documentation: <a href=\"/phalcon/\">Phalcon</a>"
   ], [
diff --git a/assets/javascripts/views/content/entry_page.coffee b/assets/javascripts/views/content/entry_page.coffee
index 8c21c16d..957dddd5 100644
--- a/assets/javascripts/views/content/entry_page.coffee
+++ b/assets/javascripts/views/content/entry_page.coffee
@@ -35,6 +35,14 @@ class app.views.EntryPage extends app.View
       @hiddenView = new app.views.HiddenPage @el, @entry
 
     @trigger 'loaded'
+    @delay @addClipboardLinks
+    return
+
+  CLIPBOARD_LINK = '<a class="_pre-clip" title="Copy to clipboard"></a>'
+
+  addClipboardLinks: =>
+    for el in @findAllByTag('pre')
+      el.insertAdjacentHTML('afterbegin', CLIPBOARD_LINK)
     return
 
   LINKS =
@@ -118,7 +126,12 @@ class app.views.EntryPage extends app.View
       true
 
   onClick: (event) =>
-    if event.target.hasAttribute 'data-retry'
+    target = event.target
+    if target.hasAttribute 'data-retry'
       $.stopEvent(event)
       @load()
+    else if target.classList.contains '_pre-clip'
+      $.stopEvent(event)
+      target.classList.add if $.copyToClipboard(target.parentNode.textContent) then '_pre-clip-success' else '_pre-clip-error'
+      setTimeout (-> target.className = '_pre-clip'), 2000
     return
diff --git a/assets/stylesheets/components/_content.scss b/assets/stylesheets/components/_content.scss
index 48728fc0..7f652cc0 100644
--- a/assets/stylesheets/components/_content.scss
+++ b/assets/stylesheets/components/_content.scss
@@ -396,6 +396,34 @@
 ._label { @extend %label; }
 ._highlight { background: $highlightBackground !important; }
 
+._pre-clip {
+  display: none;
+  position: absolute;
+  top: 0;
+  right: 0;
+  opacity: .5;
+  padding: .375rem;
+  cursor: pointer;
+
+  pre:hover > & { display: block; }
+  &:hover { opacity: 1; }
+
+  @if $style == 'dark' {
+    &:before { @extend %icon, %icon-clipboard-white; }
+  } @else {
+    &:before { @extend %icon, %icon-clipboard; }
+  }
+
+  &._pre-clip-success, &._pre-clip-error {
+    &:before { display: none; }
+    &:after {
+      content: 'Copied';
+      padding-right: .25rem;
+    }
+  }
+  &._pre-clip-error:after { content: 'Error'; }
+}
+
 ._github-btn {
   display: inline-block;
   vertical-align: text-top;
diff --git a/assets/stylesheets/global/_base.scss b/assets/stylesheets/global/_base.scss
index 3a20b844..3988c374 100644
--- a/assets/stylesheets/global/_base.scss
+++ b/assets/stylesheets/global/_base.scss
@@ -99,8 +99,9 @@ pre, code, samp, %pre, %code {
 }
 
 pre, %pre {
+  position: relative;
   margin: 1.5em 0;
-  padding: .375rem .75rem;
+  padding: .375rem .625rem;
   line-height: 1.5;
   overflow: auto;
   @extend %box;
diff --git a/assets/stylesheets/global/_icons.scss b/assets/stylesheets/global/_icons.scss
index 77fb1c93..113a4e3a 100644
--- a/assets/stylesheets/global/_icons.scss
+++ b/assets/stylesheets/global/_icons.scss
@@ -113,3 +113,5 @@
 %icon-contract-white        { background-position: -9rem -8rem; }
 ._icon-react_native:before  { background-position: 0 -9rem; }
 ._icon-phalcon:before       { background-position: -1rem -9rem; }
+%icon-clipboard             { background-position: -2rem -9rem; }
+%icon-clipboard-white       { background-position: -3rem -9rem; }
diff --git a/public/icons/ui/clipboard-white/16.png b/public/icons/ui/clipboard-white/16.png
new file mode 100644
index 0000000000000000000000000000000000000000..f61a28eb6d13b6adccac906badb0b9c5476eb3e2
GIT binary patch
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literal 0
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diff --git a/public/icons/ui/clipboard-white/16@2x.png b/public/icons/ui/clipboard-white/16@2x.png
new file mode 100644
index 0000000000000000000000000000000000000000..2cf04855a0c11ed77dc8a6bc110a4c10ad8bca0f
GIT binary patch
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literal 0
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diff --git a/public/icons/ui/clipboard-white/SOURCE b/public/icons/ui/clipboard-white/SOURCE
new file mode 100644
index 00000000..57116488
--- /dev/null
+++ b/public/icons/ui/clipboard-white/SOURCE
@@ -0,0 +1 @@
+https://github.com/github/octicons/blob/master/svg/clippy.svg
diff --git a/public/icons/ui/clipboard/16.png b/public/icons/ui/clipboard/16.png
new file mode 100644
index 0000000000000000000000000000000000000000..a2d7f8ddccd45a835968b367e039e4c3123f0fa3
GIT binary patch
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literal 0
HcmV?d00001

diff --git a/public/icons/ui/clipboard/16@2x.png b/public/icons/ui/clipboard/16@2x.png
new file mode 100644
index 0000000000000000000000000000000000000000..1b24a228475d153f731dc0aee9b7dc15f14ce774
GIT binary patch
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literal 0
HcmV?d00001

diff --git a/public/icons/ui/clipboard/SOURCE b/public/icons/ui/clipboard/SOURCE
new file mode 100644
index 00000000..57116488
--- /dev/null
+++ b/public/icons/ui/clipboard/SOURCE
@@ -0,0 +1 @@
+https://github.com/github/octicons/blob/master/svg/clippy.svg