Merge pull request #345 from bootstraponline/file_view

Add file view.

lib/gollum.rb

@@ -15,6 +15,7 @@ require File.expand_path('../gollum/blob_entry', __FILE__)
 require File.expand_path('../gollum/wiki', __FILE__)
 require File.expand_path('../gollum/page', __FILE__)
 require File.expand_path('../gollum/file', __FILE__)
+require File.expand_path('../gollum/file_view', __FILE__)
 require File.expand_path('../gollum/markup', __FILE__)
 require File.expand_path('../gollum/sanitization', __FILE__)
 require File.expand_path('../gollum/tex', __FILE__)

lib/gollum/file_view.rb

@@ -0,0 +1,154 @@
+module Gollum
+=begin
+  FileView requires that:
+    - All files in root dir are processed first
+    - Then all the folders are sorted and processed
+=end
+  class FileView
+    def initialize pages
+      @pages = pages
+    end
+
+    def enclose_tree string
+      %Q(<ol class="tree">\n) + string + %Q(\n</ol>)
+    end
+
+    def new_page page
+      name = page.name
+      %Q(  <li class="file"><a href="#{name}">#{name}</a></li>\n)
+    end
+
+    def new_folder page
+      new_sub_folder ::File.dirname(page.path), page.name
+    end
+
+    def new_sub_folder path, name
+      <<-HTML
+      <li>
+        <label>#{path}</label> <input type="checkbox" checked />
+        <ol>
+          <li class="file"><a href="#{name}">#{name}</a></li>
+      HTML
+    end
+
+    def end_folder
+      <<-HTML
+        </ol>
+      </li>
+      HTML
+    end
+
+    def render_files
+      html = ''
+      count = @pages.size
+      folder_start = -1
+
+      # Process all pages until folders start
+      count.times do | index |
+        page = @pages[ index ]
+        path = page.path
+
+        unless path.include? '/'
+          # Page processed (not contained in a folder)
+          html += new_page page
+        else
+          # Folders start at the next index
+          folder_start = index
+          break # Pages finished, move on to folders
+        end
+      end
+
+      # If there are no folders, then we're done.
+      return enclose_tree(html) if folder_start <= -1
+
+      # Handle special case of only one folder.
+      if (count - folder_start == 1)
+        path = @pages[ folder_start ]
+        name = page.name
+        html += <<-HTML
+        <li>
+          <label>#{::File.dirname(path)}</label> <input type="checkbox" checked />
+          <ol>
+            <li class="file"><a href="#{name}">#{name}</a></li>
+         </ol>
+        </li>
+        HTML
+
+        return enclose_tree html
+      end
+
+      sorted_folders = []
+      (folder_start).upto count - 1 do | index |
+        sorted_folders += [[ @pages[ index ].path, index ]]
+      end
+
+      # http://stackoverflow.com/questions/3482814/sorting-list-of-string-paths-in-vb-net
+      sorted_folders.sort! do |first,second| 
+        a = first[0]
+        b = second[0]
+
+        # use :: operator because gollum defines its own conflicting File class
+        dir_compare = ::File.dirname(a) <=> ::File.dirname(b)
+
+        # Sort based on directory name unless they're equal (0) in
+        # which case sort based on file name.
+        if dir_compare == 0
+          ::File.basename(a) <=> ::File.basename(b)
+        else
+          dir_compare
+        end
+      end
+
+      # Process first folder
+      page = @pages[ sorted_folders[ 0 ][1] ]
+      html += new_folder page
+
+      last_folder =  ::File.dirname page.path # define last_folder
+
+      # keep track of folder depth, 0 = at root.
+      depth = 0
+
+      # process rest of folders
+      1.upto(sorted_folders.size - 1) do | index |
+          page =  @pages[ sorted_folders[ index ][1] ]
+          path = page.path
+          folder = ::File.dirname path
+
+          if last_folder == folder
+            # same folder
+            html += new_page page
+          elsif folder.include?('/')
+            # check if we're going up or down a depth level
+            if last_folder.scan('/').size > folder.scan('/').size
+              # end tag for 1 subfolder & 1 parent folder
+              # so emit 2 end tags
+              2.times { html += end_folder; }
+              depth -= 1
+            else
+              depth += 1
+            end
+
+            # subfolder
+            html += new_sub_folder ::File.dirname(page.path).split('/').last, page.name
+          else
+            # depth+1 because we need an additional end_folder
+            (depth+1).times { html += end_folder; }
+            depth = 0
+            # New root folder
+            html += new_folder page
+          end
+
+          last_folder = folder
+      end
+
+      # Process last folder's ending tags.
+      (depth+1).times {       
+        depth.times { html += end_folder; }
+        depth = 0
+      }
+
+      # return the completed html
+      enclose_tree html
+    end # end render_files
+  end # end FileView class
+end # end Gollum module

lib/gollum/frontend/app.rb

@@ -200,6 +200,17 @@ module Precious
       mustache :pages
     end
 
+    get '/fileview' do
+      wiki = Gollum::Wiki.new(settings.gollum_path, settings.wiki_options)
+      @results = Gollum::FileView.new(wiki.pages).render_files
+      File.open('/tmp/log.txt', 'w') {|f| 
+        f.puts "log!"
+        f.puts @results
+      }
+      @ref = wiki.ref
+      mustache :file_view
+    end
+
     get '/*' do
       show_page_or_file(params[:splat].first)
     end

lib/gollum/frontend/public/gollum/css/_styles.css

@@ -0,0 +1,110 @@
+/* Just some base styles not needed for example to function */
+*, html { font-family: Verdana, Arial, Helvetica, sans-serif; }
+
+
+#results a:hover {
+  background-color: #4c4c4c;
+}
+
+#home_button {
+  position: absolute;
+  top: 10px;
+  left: 50%;
+}
+
+#home_button .minibutton {
+/* controls size of home btn */
+font-size: 1em;
+text-align: center;
+}
+
+#results {
+  position: absolute;
+  top: 60px;
+  left: 10px;
+}
+
+
+body, form, ul, li, p, h1, h2, h3, h4, h5
+{
+	margin: 0;
+	padding: 0;
+}
+body { background-color: #606061; color: #ffffff; margin: 0; }
+img { border: none; }
+p
+{
+	font-size: 1em;
+	margin: 0 0 1em 0;
+}
+
+html { font-size: 100%; /* IE hack */ }
+body { font-size: 1em; /* Sets base font size to 16px */ }
+table { font-size: 100%; /* IE hack */ }
+input, select, textarea, th, td { font-size: 1em; }
+	
+/* CSS Tree menu styles */
+ol.tree
+{
+	padding: 0 0 0 30px;
+	width: 300px;
+}
+	li 
+	{ 
+		position: relative; 
+		margin-left: -15px;
+		list-style: none;
+	}
+	li.file
+	{
+		margin-left: -1px !important;
+    height: 1.5em;
+	}
+		li.file a
+		{
+			background: url(/images/fileview/document.png) 0 0 no-repeat;
+			color: #fff;
+			padding-left: 21px;
+			text-decoration: none;
+			display: block;
+		}
+		li.file a[href *= '.pdf']	{ background: url(/images/fileview/document.png) 0 0 no-repeat; }
+		li.file a[href *= '.html']	{ background: url(/images/fileview/document.png) 0 0 no-repeat; }
+		li.file a[href $= '.css']	{ background: url(/images/fileview/document.png) 0 0 no-repeat; }
+		li.file a[href $= '.js']		{ background: url(/images/fileview/document.png) 0 0 no-repeat; }
+	li input
+	{
+		position: absolute;
+		left: 0;
+		margin-left: 0;
+		opacity: 0;
+		z-index: 2;
+		cursor: pointer;
+		height: 1em;
+		width: 1em;
+		top: 0;
+	}
+		li input + ol
+		{
+			background: url(/images/fileview/toggle-small-expand.png) 40px 0 no-repeat;
+			margin: -1.188em 0 0 -44px; /* 15px */
+			height: 1.5em;
+		}
+		li input + ol > li { display: none; margin-left: -14px !important; padding-left: 1px; }
+	li label
+	{
+		background: url(/images/fileview/folder-horizontal.png) 15px 1px no-repeat;
+		cursor: pointer;
+		display: block;
+		padding-left: 37px;
+	}
+
+	li input:checked + ol
+	{
+		background: url(/images/fileview/toggle-small.png) 40px 5px no-repeat;
+		margin: -1.5em 0 0 -44px; /* 20px */
+		padding: 1.563em 0 0 80px;
+		height: auto;
+	}
+		li input:checked + ol > li { display: block; margin: 0 0 0.125em;  /* 2px */}
+		li input:checked + ol > li:last-child { margin: 0 0 0.063em; /* 1px */ }

lib/gollum/frontend/templates/file_view.mustache

@@ -0,0 +1,33 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <meta http-equiv="Content-type" content="text/html;charset=utf-8">
+  <link rel="stylesheet" type="text/css" href="/css/_styles.css" media="all">
+  <title>File View</title>
+</head>
+<body>
+
+<div id="home_button">
+  <ul class="actions">
+    <li class="minibutton">
+      <a href="/" class="action-edit-page">Home</a>
+    </li>
+    <li class="minibutton" class="jaws">
+      <a href="#" id="minibutton-new-page">New Page</a>
+    </li>
+  </ul>
+</div>
+
+{{#has_results}}
+  <div id="results">
+  {{{results}}}
+  </div>
+{{/has_results}}
+
+{{#no_results}}
+  <p id="no-results">
+    There are no pages in <strong>{{ref}}</strong>.
+  </p>
+{{/no_results}}
+</body>
+</html>

lib/gollum/frontend/templates/page.mustache

@@ -7,6 +7,8 @@
     </li>
     <li class="minibutton"><a href="/pages"
       class="action-all-pages">All Pages</a></li>
+    <li class="minibutton"><a href="/fileview"
+    class="action-all-pages">File View</a></li>
     <li class="minibutton" class="jaws">
       <a href="#" id="minibutton-new-page">New Page</a></li>
     {{#editable}}

lib/gollum/frontend/views/file_view.rb

@@ -0,0 +1,19 @@
+module Precious
+  module Views
+    class FileView < Layout
+      attr_reader :results, :ref
+
+      def title
+        "All pages in #{@ref}"
+      end
+
+      def has_results
+        !@results.empty?
+      end
+      
+      def no_results 
+        @results.empty?
+      end
+    end
+  end
+end