]> git.draconx.ca Git - homepage.git/commitdiff
Implement sortable file listing tables.
authorNick Bowler <nbowler@draconx.ca>
Wed, 17 Feb 2021 02:03:20 +0000 (21:03 -0500)
committerNick Bowler <nbowler@draconx.ca>
Wed, 17 Feb 2021 03:39:39 +0000 (22:39 -0500)
Just for fun, let's add clickable headers to sort the file listings by
name, modification time, and file size, both in forward and reverse,
entirely implemented using XHTML and CSS.

content/images/down.svg [new file with mode: 0644]
content/images/up.svg [new file with mode: 0644]
content/style.scss
layouts/default.xsl
layouts/listing.xhtml

diff --git a/content/images/down.svg b/content/images/down.svg
new file mode 100644 (file)
index 0000000..95b82af
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diff --git a/content/images/up.svg b/content/images/up.svg
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+    <path
+       style="opacity:0.48128340;color:#000000;fill:none;fill-opacity:1.0000000;fill-rule:evenodd;stroke:#ffffff;stroke-width:1.0000004;stroke-linecap:butt;stroke-linejoin:miter;marker:none;marker-start:none;marker-mid:none;marker-end:none;stroke-miterlimit:10.000000;stroke-dasharray:none;stroke-dashoffset:0.0000000;stroke-opacity:1.0000000;visibility:visible;display:inline;overflow:visible"
+       d="M 15.602735,37.500000 L 31.502578,37.500000 L 31.502578,24.507050 L 38.311576,24.507050 L 23.361206,7.0700896 L 8.6546798,24.550470 L 15.475049,24.528373 L 15.602735,37.500000 z "
+       id="path8658"
+       sodipodi:nodetypes="cccccccc" />
+  </g>
+</svg>
index 0c56cc4bb4d8f31ac75650c5c1013d7550098a02..22df5d950a9ff8ef49c73aa3e014daec840018ae 100644 (file)
@@ -137,12 +137,97 @@ table.cc {
     }
 }
 
+$sortcols: name, date, size;
+@each $col in $sortcols {
+    #filelist-#{$col}-sort {
+        &:checked {
+            & ~ table.filelist {
+                /* Update table header state */
+                th.#{$col} {
+                    label~label {
+                        display: -moz-inline-box !important;
+                        display: inline-block !important;
+                    }
+                    label { display: none; }
+                }
+
+                /* Show only appropriate items from the sort body (forward) */
+                tbody+tbody>tr.#{$col} { display: table-row; }
+                tbody+tbody>tr { display: none; }
+            }
+
+            & ~ #filelist-#{$col}-rev:checked ~ table.filelist {
+                /* Show only appropriate items from sort body (reversed) */
+                tbody+tbody>tr.#{$col}rev { display: table-row; }
+                tbody+tbody>tr { display: none; }
+            }
+
+            /* Unhide associated checkbox for keyboard navigation */
+            & ~ #filelist-#{$col}-rev { display: block !important; }
+        }
+
+        &:focus ~ table.filelist th>label~label>span {
+            border: 1px dotted;
+            padding: 0;
+        }
+
+        display: block !important;
+        position: absolute;
+        z-index: -1;
+        opacity: 0;
+    }
+
+    #filelist-#{$col}-rev {
+        &:checked ~ table.filelist {
+            /* Update table header state */
+            th.#{$col} {
+                img+img {
+                    display: -moz-inline-box !important;
+                    display: inline !important;
+                }
+                img { display: none; }
+            }
+        }
+
+        &:focus ~ table.filelist th>label~label>img {
+            border: 1px dotted;
+            padding: 0;
+        }
+
+        position: absolute;
+        z-index: -2;
+        opacity: 0;
+    }
+}
+
+/* Enable the sorted tables only when non-default option is selected */
+#filelist-name-rev, #filelist-date-sort, #filelist-size-sort {
+    &:checked~table.filelist>tbody {
+        &+tbody { display: table-row-group !important; }
+        display: none;
+    }
+}
+
 table.filelist {
     &>tr>*:first-child, &>*>tr>*:first-child {
         &+td { min-width: 50%; }
         width: 0;
     }
 
+    th>label>* { padding: 1px; }
+    th>label, th>label>* {
+        white-space: nowrap;
+        vertical-align: middle;
+        display: -moz-inline-box;
+        display: inline-block;
+        cursor: pointer;
+    }
+    th img { margin-left: 0.5ex; }
+
+    tbody+tbody {
+        border-bottom: solid 1px $ruledefaultcolour;
+    }
+
     img {
         display: block;
         height: 1.5em;
index 075ad184a71b4dfe53a5f9b8d29f29b95b5c78b0..84dcf9df801d3a25c0f68a8d1d3b23964174b6a7 100644 (file)
@@ -31,7 +31,7 @@
 <xsl:output method='xml' encoding='UTF-8' indent='yes'
   doctype-public='-//W3C//DTD XHTML 1.1//EN'
   doctype-system='http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd'
-  cdata-section-elements='style' />
+  cdata-section-elements='style script' />
 
 <xsl:param name='source-uri'
   select='"//git.draconx.ca/gitweb/homepage.git/"' />
index aad56081170f2d33949ca3db6614b4d6e1d6cfb7..406e42ba79ac2eaac0fba108141b4fa2ec6f0833 100644 (file)
@@ -30,50 +30,163 @@ files = {}
     next unless "#{d}/" == mydir
 
     if p =~ %r{/$}
-      sz = Dir.children(File.dirname(rep.raw_path)).length - 1
-      type = "DIR"
+      displaysize = Dir.children(File.dirname(rep.raw_path)).length - 1
+      size = displaysize - 1000000
+      type = :DIR
     else
-      sz = human_filesize(File.size(rep.raw_path))
+      size = File.size(rep.raw_path)
+      displaysize = human_filesize(size)
       type = nil
     end
 
     files[f] = {
-      mtime: if t then t.getutc.strftime "%Y-%m-%d %H:%M UTC" end,
-      size: sz,
+      sorttime: if t then t.to_f else 0.0 end,
+      displaytime: if t then t.getutc.strftime "%Y-%m-%d %H:%M UTC" end,
+      displaysize: displaysize,
+      size: size,
       type: type,
     }
   end
 end
 
 if @items["#{File.dirname(mydir)}/index.lst"]
-  files[".."] = { type: "UP" }
+  files[".."] = { type: :UP }
+end
+
+def render_entry(files, key)
+  f = files[key]
+  return <<~EOF
+    <td>#{if f[:type]
+      "<img alt='#{f[:type]}' width='16' height='16' src='#{case f[:type]
+            when :DIR; "/images/folder.svg"
+            when :UP;  "/images/return.svg"
+            else raise "no icon for filetype #{f[:type]}"
+            end}' />"
+    end}</td>
+    <td><a href='#{key}'>#{
+      if key == ".." then "[Parent Directory]" else key end
+    }</a></td>
+    <td>#{f[:displaytime]}</td>
+    <td>#{f[:displaysize]}</td>
+  EOF
 end
 %>
+<div>
+<script type='x'><![CDATA[]]x><!--]]></script>
+<input style='display: none' type='radio' name='filelist-sort' id='filelist-name-sort' checked='checked' />
+<input style='display: none' type='radio' name='filelist-sort' id='filelist-date-sort' />
+<input style='display: none' type='radio' name='filelist-sort' id='filelist-size-sort' />
+<input style='display: none' type='checkbox' id='filelist-name-rev' />
+<input style='display: none' type='checkbox' id='filelist-date-rev' />
+<input style='display: none' type='checkbox' id='filelist-size-rev' />
+<script type='x'>--></script>
 <table class='filelist'>
   <thead>
-    <tr><th /><th>Name</th><th>Last Modified</th><th>Size</th></tr>
+    <tr>
+      <th />
+      <th class='name'>
+        <label for='filelist-name-sort'><span>Name</span></label>
+        <script type='x'><![CDATA[]]x><!--]]></script>
+        <label for='filelist-name-rev' style='display: none'>
+          <span>Name</span>
+          <img alt='FWD' width='16' height='16' src='/images/down.svg' />
+          <img alt='REV' width='16' height='16' src='/images/up.svg' style='display: none' />
+        </label>
+        <script type='x'>--></script>
+      </th>
+      <th class='date'>
+        <label for='filelist-date-sort'><span>Last Modified</span></label>
+        <script type='x'><![CDATA[]]x><!--]]></script>
+        <label for='filelist-date-rev' style='display: none'>
+          <span>Last Modified</span>
+          <img alt='FWD' width='16' height='16' src='/images/down.svg' />
+          <img alt='REV' width='16' height='16' src='/images/up.svg' style='display: none' />
+        </label>
+        <script type='x'>--></script>
+      </th>
+      <th class='size'>
+        <label for='filelist-size-sort'><span>Size</span></label>
+        <script type='x'><![CDATA[]]x><!--]]></script>
+        <label for='filelist-size-rev' style='display: none'>
+          <span>Size</span>
+          <img alt='FWD' width='16' height='16' src='/images/down.svg' />
+          <img alt='REV' width='16' height='16' src='/images/up.svg' style='display: none' />
+        </label>
+        <script type='x'>--></script>
+      </th>
+    </tr>
   </thead>
   <tbody>
-<% files.keys.sort{ |a, b| strverscmp(a, b) }.each do |key| %>
-    <tr>
-      <td>
-<% if files[key][:type] %>
-        <div>
-          <img src='<%=
-            case files[key][:type]
-            when "DIR"; "/images/folder.svg"
-            when "UP";  "/images/return.svg"
-            else raise "no icon for filetype #{files[key][:type]}"
-            end %>' alt='<%= files[key][:type] %>' width='16' height='16' />
-        </div>
+<%=
+    parentrow = if files[".."] then "#{render_entry(files, "..")}" end
+    files.delete("..")
+    if parentrow then "<tr>#{parentrow}</tr>" end
+%>
+<%
+by_name = files.keys.sort{ |a, b| strverscmp(a, b) }
+by_name.each_index do |i|
+  entry = render_entry(files, by_name[i])
+  if i+1 == by_name.length
+    entry.sub!(%r{(.*)</td>}m,
+               "\\1<script type='x'><![CDATA[]]x><!--]]></script></td>")
+  end
+%>
+    <tr><%= entry %></tr>
 <% end %>
-      </td>
-      <td><a href='<%= key %>'><%=
-        if key == ".." then "[Parent Directory]" else key end
-      %></a></td>
-      <td><%= files[key][:mtime] %></td>
-      <td><%= files[key][:size] %></td>
+  </tbody>
+
+  <tbody style='display: none'>
+<%
+def meta_cmp(files, key, a, b)
+  av, bv = files[a][key], files[b][key]
+  return av <=> bv if av != bv
+  return strverscmp(a, b)
+end
+
+by_date = files.keys.sort { |a, b| meta_cmp(files, :sorttime, a, b) }
+by_size = files.keys.sort { |a, b| meta_cmp(files, :size, a, b) }
+
+listnames = [ "namerev", "date", "daterev", "size", "sizerev" ]
+lists = [ by_name.reverse, by_date, by_date.reverse, by_size, by_size.reverse ]
+if parentrow
+%>
+  <tr class='<%= listnames.join(" ") %>'><%= parentrow %></tr>
+<%
+end
+evenmap = (0..(lists.length-1)).map { false }
+even = false
+
+while not (elems = lists.map(&:first)).compact.empty?
+  matches = (0..(lists.length-1)).to_a.keep_if { |x| evenmap[x] == even }
+  if !matches.empty?
+    elems = elems.values_at(*matches).compact
+    mode = elems.group_by{|a| a}.max{|a, b| a[1].length <=> b[1].length}[0]
+    matches = []
+
+    lists.each_index do |i|
+      if evenmap[i] == even and lists[i].first.eql? mode
+        lists[i].shift
+        evenmap[i] ^= true
+        evenmap[i] = nil if lists[i].empty?
+
+        matches << i
+      end
+    end
+%>
+    <tr class='<%= listnames.values_at(*matches).join(" ") %>'>
+      <%= render_entry(files, mode) %>
     </tr>
-<% end %>
+<%
+  else
+%>
+    <tr><td /></tr>
+<%
+  end
+
+  even ^= true
+end
+%>
+    <tr><td><script type='x'>--></script></tr>
   </tbody>
 </table>
+</div>