From 4b0ca55eb79e963523eb6c8197825e9e8ae904e2 Mon Sep 17 00:00:00 2001
From: Wu Cheng-Han
Date: Mon, 4 May 2015 15:53:29 +0800
Subject: First commit, version 0.2.7

---
 public/vendor/gist-embed.js | 179 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 179 insertions(+)
 create mode 100644 public/vendor/gist-embed.js

(limited to 'public/vendor/gist-embed.js')

diff --git a/public/vendor/gist-embed.js b/public/vendor/gist-embed.js
new file mode 100644
index 00000000..34a9c3b0
--- /dev/null
+++ b/public/vendor/gist-embed.js
@@ -0,0 +1,179 @@
+// author: Blair Vanderhoof
+// https://github.com/blairvanderhoof/gist-embed
+// version 2.0
+(function($) {
+
+  function getLineNumbers(lineRangeString) {
+    var lineNumbers = [], range, lineNumberSections;
+
+    if (typeof lineRangeString === 'number') {
+      lineNumbers.push(lineRangeString);
+    } else {
+      lineNumberSections = lineRangeString.split(',');
+
+      for (var i = 0; i < lineNumberSections.length; i++) {
+        range = lineNumberSections[i].split('-');
+        if (range.length === 2) {
+          for (var j = parseInt(range[0], 10); j <= range[1]; j++) {
+            lineNumbers.push(j);
+          }
+        } else if (range.length === 1) {
+          lineNumbers.push(parseInt(range[0], 10));
+        }
+      }
+    }
+    return lineNumbers;
+  }
+
+  $.fn.gist = function() {
+    return this.each(function() {
+      var $elem = $(this),
+        id,
+        url,
+        file,
+        lines,
+        highlightLines,
+        hideFooterOption,
+        hideLineNumbersOption,
+        showLoading,
+        data = {};
+
+      // make block level so loading text shows properly
+      $elem.css('display', 'block');
+
+      id = $elem.data('gist-id') || '';
+      file = $elem.data('gist-file');
+      hideFooterOption = $elem.data('gist-hide-footer') === true;
+      hideLineNumbersOption = $elem.data('gist-hide-line-numbers') === true;
+      lines = $elem.data('gist-line');
+      highlightLines = $elem.data('gist-highlight-line');
+      showLoading = $elem.data('gist-show-loading') !== undefined ?
+        $elem.data('gist-show-loading') : true;
+
+      if (file) {
+        data.file = file;
+      }
+
+      // if the id doesn't exist, then ignore the code block
+      if (!id) return false;
+
+      url = 'https://gist.github.com/' + id + '.json';
+
+      // loading
+      if (showLoading) {
+        $elem.html('Loading gist ' + url + (data.file ? ', file: ' + data.file : '') + '...');
+      }
+
+      // request the json version of this gist
+      $.ajax({
+        url: url,
+        data: data,
+        dataType: 'jsonp',
+        timeout: 10000,
+        success: function(response) {
+          var linkTag,
+            head,
+            lineNumbers,
+            highlightLineNumbers,
+            $responseDiv;
+
+          // the html payload is in the div property
+          if (response && response.div) {
+            // github returns /assets/embed-id.css now, but let's be sure about that
+            if (response.stylesheet && response.stylesheet.indexOf('http') !== 0) {
+              // add leading slash if missing
+              if (response.stylesheet.indexOf('/') !== 0) {
+                response.stylesheet = '/' + response.stylesheet;
+              }
+              response.stylesheet = 'https://gist.github.com' + response.stylesheet;
+            }
+
+            // add the stylesheet if it does not exist
+            if (response.stylesheet && $('link[href="' + response.stylesheet + '"]').length === 0) {
+              linkTag = document.createElement('link');
+              head = document.getElementsByTagName('head')[0];
+
+              linkTag.type = 'text/css';
+              linkTag.rel = 'stylesheet';
+              linkTag.href = response.stylesheet;
+              head.insertBefore(linkTag, head.firstChild);
+            }
+
+            // refernce to div
+            $responseDiv = $(response.div);
+
+            // remove id for uniqueness constraints
+            $responseDiv.removeAttr('id');
+
+            $elem.html('').append($responseDiv);
+
+            // option to highlight lines
+            if (highlightLines) {
+              highlightLineNumbers = getLineNumbers(highlightLines);
+
+              // we need to set the line-data td to 100% so the highlight expands the whole line
+              $responseDiv.find('td.line-data').css({
+                'width': '100%'
+              });
+
+              // find all .line divs (acutal code lines) that match the highlightLines and add the highlight class
+              $responseDiv.find('.line').each(function(index) {
+                if ($.inArray(index + 1, highlightLineNumbers) !== -1) {
+                  $(this).css({
+                    'background-color': 'rgb(255, 255, 204)'
+                  });
+                }
+              });
+            }
+
+            // if user provided a line param, get the line numbers baesed on the criteria
+            if (lines) {
+              lineNumbers = getLineNumbers(lines);
+
+              // find all .line divs (acutal code lines) and remove them if they don't exist in the line param
+              $responseDiv.find('.line').each(function(index) {
+                if (($.inArray(index + 1, lineNumbers)) === -1) {
+                  $(this).remove();
+                }
+              });
+
+              // find all .line-number divs (numbers on the gutter) and remove them if they don't exist in the line param
+              $responseDiv.find('.line-number').each(function(index) {
+                if (($.inArray(index + 1, lineNumbers)) === -1) {
+                  $(this).remove();
+                }
+              });
+            }
+
+            // option to remove footer
+            if (hideFooterOption) {
+              $responseDiv.find('.gist-meta').remove();
+
+              // present a uniformed border when footer is hidden
+              $responseDiv.find('.gist-data').css("border-bottom", "0px");
+              $responseDiv.find('.gist-file').css("border-bottom", "1px solid #ddd");
+            }
+
+            // option to remove
+            if (hideLineNumbersOption) {
+              $responseDiv.find('.line-numbers').remove();
+            }
+
+          } else {
+            $elem.html('Failed loading gist ' + url);
+          }
+        },
+        error: function(jqXHR, textStatus) {
+          $elem.html('Failed loading gist ' + url + ': ' + textStatus);
+        }
+      });
+
+    });
+  };
+
+  $(function() {
+    // find all elements containing "data-gist-id" attribute.
+    $('[data-gist-id]').gist();
+  });
+
+})(jQuery);
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