Merge branch 'history'

lib/gollum.rb

@@ -1,3 +1,6 @@
+# stdlib
+require 'digest/md5'
+
 # external
 require 'grit'
 require 'github/markup'

lib/gollum/frontend/app.rb

@@ -78,6 +78,23 @@ module Precious
       wiki.preview_page("Preview", data, format).formatted_data
     end
 
+    get '/history/:name' do
+      @name = params[:name]
+      wiki = Gollum::Wiki.new($path)
+      @page = wiki.page(@name)
+      mustache :history
+    end
+
+    post '/compare/:name' do
+      @name = params[:name]
+      @versions = params[:versions]
+      wiki = Gollum::Wiki.new($path)
+      @page = wiki.page(@name)
+      diffs = wiki.repo.diff(@versions[1], @versions[0], @page.path)
+      @diff = diffs.first
+      mustache :compare
+    end
+
     get %r{/(.+?)/([0-9a-f]{40})} do
       name = params[:captures][0]
       wiki = Gollum::Wiki.new($path)

lib/gollum/frontend/public/css/screen.css

@@ -487,4 +487,236 @@ label.wiki-label {
 
 .comment-form .comment{
   margin:5px 0 0 0;
-}
+}
+
+/****************************************************************************/
+/* History
+/****************************************************************************/
+
+table.commits {
+  width: 100%;
+  border-left: 1px solid #ccc;
+  border-right: 1px solid #ccc;
+  border-top: 1px solid #ccc;
+  margin-bottom: 2em;
+}
+
+  table.commits tr td {
+    background-color: #eaf2f5;
+  }
+
+  table.commits th {
+    font-weight: normal;
+    border-bottom: 1px solid #ccc;
+    padding: .3em .6em;
+    background-color: #eee;
+    font-size: 95%;
+    text-align:left;
+  }
+
+  table.commits td {
+    border-bottom: 1px solid #ccc;
+    padding: .3em .6em;
+  }
+
+    table.commits td.sha,
+    table.commits td.message {
+      font-family: Monaco, "Courier New", "DejaVu Sans Mono", "Bitstream Vera Sans Mono", monospace;
+      font-size: 80%;
+    }
+
+    table.commits td.checkbox {
+      width: 3%;
+    }
+
+    table.commits td.sha {
+      width: 6%;
+    }
+
+    table.commits td.human {
+      font-family: Monaco, "Courier New", "DejaVu Sans Mono", "Bitstream Vera Sans Mono", monospace;
+      font-size: 80%;
+      width: 4%;
+      color: #888;
+    }
+
+    table.commits td.author {
+      width: 15%;
+      font-weight: bold;
+    }
+
+      table.commits td.author img {
+        vertical-align: middle;
+        border: 1px solid #ccc;
+        padding: 1px;
+        background-color: white;
+      }
+
+    table.commits td.message a {
+      color: black;
+    }
+
+      table.commits td.message a:hover {
+        text-decoration: underline;
+      }
+
+    table.commits td.date {
+      width: 12%;
+      text-align: right;
+    }
+
+/****************************************************************************/
+/* Files
+/****************************************************************************/
+
+#files {
+
+}
+
+  #files .file {
+    border: 1px solid #ccc;
+    margin-bottom: 1em;
+  }
+
+  #files .file .syntax{
+    border:none;
+    padding:0;
+  }
+
+    #files .file .meta {
+      padding:0 5px;
+      height:33px;
+      line-height:33px;
+      font-size:12px;
+      color:#333;
+      background:url(/images/modules/commit/file_head.gif) 0 0 repeat-x #eee;
+      text-shadow:1px 1px 0 rgba(255, 255, 255, 0.5);
+      border-bottom: 1px solid #ccc;
+      overflow: hidden;
+    }
+
+      #files .file .meta .info {
+        float: left;
+        height:33px;
+        line-height:33px;
+        font-family: Monaco, "Courier New", "DejaVu Sans Mono", "Bitstream Vera Sans Mono", monospace;
+      }
+
+        #files .file .meta .info span{
+          padding-left:9px;
+          margin-left:5px;
+          background:url(/images/modules/commit/action_separator.png) 0 50% no-repeat;
+        }
+
+        #files .file .meta .info span:first-child, #files .file .meta .info .icon + span{
+          background:transparent;
+          margin-left:0;
+          padding-left:0;
+        }
+
+        #files .file .meta .info span.icon{
+          float:left;
+          margin:5px 5px 0 0;
+          padding:3px;
+          background:#f7f7f7;
+          border:1px solid #ccc;
+          border-right-color:#e5e5e5;
+          border-bottom-color:#e5e5e5;
+          -webkit-border-radius:3px;
+          -moz-border-radius:3px;
+          border-radius:3px;
+          line-height: 1em;
+        }
+
+    #files .file .meta .actions {
+      float: right;
+      height:33px;
+      line-height:33px;
+    }
+
+      #files .file .meta .actions li{
+        list-style-type:none;
+        float:left;
+        margin:0 0 0 7px;
+        height:33px;
+        line-height:33px;
+        padding-left:9px;
+        font-size:11px;
+        background:url(/images/modules/commit/action_separator.png) 0 50% no-repeat;
+      }
+
+      #files .file .meta .actions li:first-child{
+        background:transparent;
+        margin-left:0;
+        padding-left:0;
+      }
+
+        #files .file .meta .actions li a{
+          font-weight:bold;
+        }
+
+        #files .file .meta .actions li code{
+          font-size:11px;
+        }
+
+        #files .file .meta .actions li label input{
+          position:relative;
+          top:1px;
+        }
+
+    #files .file .data {
+      font-size: 80%;
+      overflow: auto;
+      background-color: #f8f8ff;
+    }
+
+    #files .file .data.empty {
+      font-size: 90%;
+      padding:5px 10px;
+      color:#777;
+    }
+
+    #files .image {
+      padding: 1.2em;
+      text-align: center;
+    }
+
+      #files .image img {
+        max-width: 60em;
+      }
+
+      #files .file .data pre, #files .file .line-data, #files .file .line-number {
+        font-family: 'Bitstream Vera Sans Mono', 'Courier', monospace;
+        font-size: 115%;
+      }
+
+        #files .file .data .highlight {
+          padding: 1em 0;
+        }
+
+        #files .file .data .highlight div {
+          padding-left: 1em;
+        }
+
+        #files .file .data .line_numbers {
+          background-color: #ececec;
+          color: #aaa;
+          padding: 1em .5em;
+          border-right: 1px solid #ddd;
+          text-align: right;
+        }
+
+        #files .file .data td.line_numbers{
+          padding:0 0.5em;
+          font-family: 'Bitstream Vera Sans Mono', 'Courier', monospace;
+          font-size: 115%;
+          -moz-user-select:none;
+          -khtml-user-select:none;
+          user-select:none;
+        }
+
+          #files .file .data .line_numbers span,
+          #files .file .data .line_numbers a {
+            color: #aaa;
+            cursor: pointer;
+          }

lib/gollum/frontend/public/css/syntax.css

@@ -14,6 +14,7 @@
 .highlight .gh { color: #999999 } /* Generic.Heading */
 .highlight .gi { color: #000000; background-color: #ddffdd } /* Generic.Inserted */
 .highlight .gi .x { color: #000000; background-color: #aaffaa } /* Generic.Inserted.Specific */
+.highlight .gc { color: #999; background-color: #EAF2F5 }
 .highlight .go { color: #888888 } /* Generic.Output */
 .highlight .gp { color: #555555 } /* Generic.Prompt */
 .highlight .gs { font-weight: bold } /* Generic.Strong */

lib/gollum/frontend/templates/compare.mustache

@@ -0,0 +1,33 @@
+<div class="guide">
+  <div class="main">
+    <div class="actions">
+      <a href="/{{name}}">&laquo; Back</a>
+    </div>
+    <h1>Comparison of {{human_name}}: {{before}} &rarr; {{after}}</h1>
+    <div id="files">
+      <div class="file">
+        <div class="meta">
+          <div class="info">
+            <span class="icon">
+              <img alt="Txt" height="16" src="/images/txt.png" width="16">
+            </span>
+            {{path}}
+          </div>
+        </div>
+        <div class="data highlight">
+          <table cellpadding="0" cellspacing="0" width="100%">
+            {{#lines}}
+              <tr>
+                <td class="line_numbers">{{ldln}}</td>
+                <td class="line_numbers">{{rdln}}</td>
+                <td width="100%">
+                  <pre><div class="{{class}}">{{line}}</div></pre>
+                </td>
+              </tr>
+            {{/lines}}
+          </table>
+        </div>
+      </div>
+    </div>
+  </div>
+</div>

lib/gollum/frontend/templates/history.mustache

@@ -0,0 +1,32 @@
+<div class="guide">
+  <div class="main">
+    <div class="actions">
+      <a href="/{{name}}">&laquo; Back</a>
+    </div>
+    <h1>History of {{human_name}}</h1>
+    <form method="post" action="/compare/{{name}}">
+      <table class="commits" cellpadding="0" cellspacing="0">
+        <tr>
+          <th colspan="5">
+            Select any two versions to <input type="submit" value="Compare" />
+          </th>
+        {{#versions}}
+          <tr>
+            <td class="checkbox">
+              <input name="versions[]" type="checkbox" value="{{id}}" />
+            </td>
+            <td class="sha">
+              <a href="/{{name}}/{{id}}">{{id7}}</a>
+            </td>
+            <td nowrap class="author">
+              <img src="http://www.gravatar.com/avatar/{{gravatar}}?s=16" alt="Gravatar" />
+              {{author}}
+            </td>
+            <td class="message">{{message}}</td>
+            <td class="date">{{date}}</td>
+          </tr>
+        {{/versions}}
+      </table>
+    </form>
+  </div>
+</div>

lib/gollum/frontend/templates/page.mustache

@@ -22,11 +22,6 @@
     </div>
   </div>
   <div style="float: right;">
-    <small>Versions:</small>
+    <a href="/history/{{name}}">View Revision History</a>
-    <select id="versions_select" name="versions_select">
-      {{#versions}}
-        <option {{#selected}}selected="true" {{/selected}}value="/{{name}}/{{id}}">Version {{num}} ({{id7}}) by {{author}}</option>
-      {{/versions}}
-    </select>
   </div>
 </div>

lib/gollum/frontend/views/compare.rb

@@ -0,0 +1,94 @@
+module Precious
+  module Views
+    class Compare < Layout
+      attr_reader :page, :diff, :versions
+
+      def human_name
+        @page.title
+      end
+
+      def title
+        "A Page"
+      end
+
+      def path
+        @page.path
+      end
+
+      def before
+        @versions[1][0..6]
+      end
+
+      def after
+        @versions[0][0..6]
+      end
+
+      def lines
+        lines = []
+        @diff.diff.split("\n")[2..-1].each_with_index do |line, line_index|
+          lines << { :line => line,
+                     :class => line_class(line),
+                     :ldln => left_diff_line_number(0, line),
+                     :rdln => right_diff_line_number(0, line) }
+        end
+        lines
+      end
+
+      # private
+
+      def line_class(line)
+        if line =~ /^@@/
+          'gc'
+        elsif line =~ /^\+/
+          'gi'
+        elsif line =~ /^\-/
+          'gd'
+        else
+          ''
+        end
+      end
+
+      @left_diff_line_number = nil
+      def left_diff_line_number(id, line)
+        if line =~ /^@@/
+          m, li = *line.match(/\-(\d+)/)
+          @left_diff_line_number = li.to_i
+          @current_line_number = @left_diff_line_number
+          ret = '...'
+        elsif line[0] == ?-
+          ret = @left_diff_line_number.to_s
+          @left_diff_line_number += 1
+          @current_line_number = @left_diff_line_number - 1
+        elsif line[0] == ?+
+          ret = ' '
+        else
+          ret = @left_diff_line_number.to_s
+          @left_diff_line_number += 1
+          @current_line_number = @left_diff_line_number - 1
+        end
+        ret
+      end
+
+      @right_diff_line_number = nil
+      def right_diff_line_number(id, line)
+        if line =~ /^@@/
+          m, ri = *line.match(/\+(\d+)/)
+          @right_diff_line_number = ri.to_i
+          @current_line_number = @right_diff_line_number
+          ret = '...'
+        elsif line[0] == ?-
+          ret = ' '
+        elsif line[0] == ?+
+          ret = @right_diff_line_number.to_s
+          @right_diff_line_number += 1
+          @current_line_number = @right_diff_line_number - 1
+        else
+          ret = @right_diff_line_number.to_s
+          @right_diff_line_number += 1
+          @current_line_number = @right_diff_line_number - 1
+        end
+        ret
+      end
+    end
+  end
+end

lib/gollum/frontend/views/history.rb

@@ -0,0 +1,30 @@
+module Precious
+  module Views
+    class History < Layout
+      attr_reader :page
+
+      def human_name
+        @page.title
+      end
+
+      def title
+        "A Page"
+      end
+
+      def versions
+        i = @page.versions.size + 1
+        @page.versions.map do |v|
+          i -= 1
+          { :id => v.id,
+            :id7 => v.id[0..6],
+            :num => i,
+            :selected => @page.version.id == v.id,
+            :author => v.author.name,
+            :message => v.message,
+            :date => v.committed_date.strftime("%B %d, %Y"),
+            :gravatar => Digest::MD5.hexdigest(v.author.email) }
+        end
+      end
+    end
+  end
+end

lib/gollum/frontend/views/page.rb

@@ -37,18 +37,6 @@ module Precious
         @footer ||= @page.footer
         @footer.format.to_s
       end
-
-      def versions
-        i = @page.versions.size + 1
-        @page.versions.map do |v|
-          i -= 1
-          { :id => v.id,
-            :id7 => v.id[0..6],
-            :num => i,
-            :selected => @page.version.id == v.id,
-            :author => v.author.name }
-        end
-      end
     end
   end
 end